namespace __gnu_cxx
{
-using std::size_t;
-using std::ptrdiff_t;
-using std::allocator;
-using std::iterator;
-using std::reverse_iterator;
-using std::_Destroy;
-
-// The _S_eos function is used for those functions that
-// convert to/from C-like strings to detect the end of the string.
-
-// The end-of-C-string character.
-// This is what the draft standard says it should be.
-template <class _CharT>
-inline _CharT _S_eos(_CharT*) { return _CharT(); }
-
-// Test for basic character types.
-// For basic character types leaves having a trailing eos.
-template <class _CharT>
-inline bool _S_is_basic_char_type(_CharT*) { return false; }
-template <class _CharT>
-inline bool _S_is_one_byte_char_type(_CharT*) { return false; }
-
-inline bool _S_is_basic_char_type(char*) { return true; }
-inline bool _S_is_one_byte_char_type(char*) { return true; }
-inline bool _S_is_basic_char_type(wchar_t*) { return true; }
-
-// Store an eos iff _CharT is a basic character type.
-// Do not reference _S_eos if it isn't.
-template <class _CharT>
-inline void _S_cond_store_eos(_CharT&) {}
-
-inline void _S_cond_store_eos(char& __c) { __c = 0; }
-inline void _S_cond_store_eos(wchar_t& __c) { __c = 0; }
-
-// char_producers are logically functions that generate a section of
-// a string. These can be convereted to ropes. The resulting rope
-// invokes the char_producer on demand. This allows, for example,
-// files to be viewed as ropes without reading the entire file.
-template <class _CharT>
-class char_producer {
+ using std::size_t;
+ using std::ptrdiff_t;
+ using std::allocator;
+ using std::iterator;
+ using std::reverse_iterator;
+ using std::_Destroy;
+
+ // The _S_eos function is used for those functions that
+ // convert to/from C-like strings to detect the end of the string.
+
+ // The end-of-C-string character.
+ // This is what the draft standard says it should be.
+ template <class _CharT>
+ inline _CharT
+ _S_eos(_CharT*)
+ { return _CharT(); }
+
+ // Test for basic character types.
+ // For basic character types leaves having a trailing eos.
+ template <class _CharT>
+ inline bool
+ _S_is_basic_char_type(_CharT*)
+ { return false; }
+
+ template <class _CharT>
+ inline bool
+ _S_is_one_byte_char_type(_CharT*)
+ { return false; }
+
+ inline bool
+ _S_is_basic_char_type(char*)
+ { return true; }
+
+ inline bool
+ _S_is_one_byte_char_type(char*)
+ { return true; }
+
+ inline bool
+ _S_is_basic_char_type(wchar_t*)
+ { return true; }
+
+ // Store an eos iff _CharT is a basic character type.
+ // Do not reference _S_eos if it isn't.
+ template <class _CharT>
+ inline void
+ _S_cond_store_eos(_CharT&) { }
+
+ inline void
+ _S_cond_store_eos(char& __c)
+ { __c = 0; }
+
+ inline void
+ _S_cond_store_eos(wchar_t& __c)
+ { __c = 0; }
+
+ // char_producers are logically functions that generate a section of
+ // a string. These can be convereted to ropes. The resulting rope
+ // invokes the char_producer on demand. This allows, for example,
+ // files to be viewed as ropes without reading the entire file.
+ template <class _CharT>
+ class char_producer
+ {
public:
- virtual ~char_producer() {};
- virtual void operator()(size_t __start_pos, size_t __len,
- _CharT* __buffer) = 0;
- // Buffer should really be an arbitrary output iterator.
- // That way we could flatten directly into an ostream, etc.
- // This is thoroughly impossible, since iterator types don't
- // have runtime descriptions.
-};
-
-// Sequence buffers:
-//
-// Sequence must provide an append operation that appends an
-// array to the sequence. Sequence buffers are useful only if
-// appending an entire array is cheaper than appending element by element.
-// This is true for many string representations.
-// This should perhaps inherit from ostream<sequence::value_type>
-// and be implemented correspondingly, so that they can be used
-// for formatted. For the sake of portability, we don't do this yet.
-//
-// For now, sequence buffers behave as output iterators. But they also
-// behave a little like basic_ostringstream<sequence::value_type> and a
-// little like containers.
+ virtual ~char_producer() {};
+
+ virtual void
+ operator()(size_t __start_pos, size_t __len,
+ _CharT* __buffer) = 0;
+ // Buffer should really be an arbitrary output iterator.
+ // That way we could flatten directly into an ostream, etc.
+ // This is thoroughly impossible, since iterator types don't
+ // have runtime descriptions.
+ };
-template<class _Sequence, size_t _Buf_sz = 100>
-class sequence_buffer : public iterator<std::output_iterator_tag,void,void,void,void>
-{
+ // Sequence buffers:
+ //
+ // Sequence must provide an append operation that appends an
+ // array to the sequence. Sequence buffers are useful only if
+ // appending an entire array is cheaper than appending element by element.
+ // This is true for many string representations.
+ // This should perhaps inherit from ostream<sequence::value_type>
+ // and be implemented correspondingly, so that they can be used
+ // for formatted. For the sake of portability, we don't do this yet.
+ //
+ // For now, sequence buffers behave as output iterators. But they also
+ // behave a little like basic_ostringstream<sequence::value_type> and a
+ // little like containers.
+
+ template<class _Sequence, size_t _Buf_sz = 100>
+ class sequence_buffer
+ : public iterator<std::output_iterator_tag, void, void, void, void>
+ {
public:
- typedef typename _Sequence::value_type value_type;
+ typedef typename _Sequence::value_type value_type;
protected:
- _Sequence* _M_prefix;
- value_type _M_buffer[_Buf_sz];
- size_t _M_buf_count;
+ _Sequence* _M_prefix;
+ value_type _M_buffer[_Buf_sz];
+ size_t _M_buf_count;
public:
- void flush() {
- _M_prefix->append(_M_buffer, _M_buffer + _M_buf_count);
- _M_buf_count = 0;
- }
- ~sequence_buffer() { flush(); }
- sequence_buffer() : _M_prefix(0), _M_buf_count(0) {}
- sequence_buffer(const sequence_buffer& __x) {
- _M_prefix = __x._M_prefix;
- _M_buf_count = __x._M_buf_count;
- copy(__x._M_buffer, __x._M_buffer + __x._M_buf_count, _M_buffer);
- }
- sequence_buffer(sequence_buffer& __x) {
- __x.flush();
- _M_prefix = __x._M_prefix;
- _M_buf_count = 0;
- }
- sequence_buffer(_Sequence& __s) : _M_prefix(&__s), _M_buf_count(0) {}
- sequence_buffer& operator= (sequence_buffer& __x) {
- __x.flush();
- _M_prefix = __x._M_prefix;
- _M_buf_count = 0;
- return *this;
- }
- sequence_buffer& operator= (const sequence_buffer& __x) {
- _M_prefix = __x._M_prefix;
- _M_buf_count = __x._M_buf_count;
- copy(__x._M_buffer, __x._M_buffer + __x._M_buf_count, _M_buffer);
- return *this;
- }
- void push_back(value_type __x)
- {
- if (_M_buf_count < _Buf_sz) {
- _M_buffer[_M_buf_count] = __x;
- ++_M_buf_count;
- } else {
- flush();
- _M_buffer[0] = __x;
- _M_buf_count = 1;
- }
- }
- void append(value_type* __s, size_t __len)
- {
- if (__len + _M_buf_count <= _Buf_sz) {
- size_t __i = _M_buf_count;
- for (size_t __j = 0; __j < __len; __i++, __j++) {
- _M_buffer[__i] = __s[__j];
- }
- _M_buf_count += __len;
- } else if (0 == _M_buf_count) {
- _M_prefix->append(__s, __s + __len);
- } else {
- flush();
- append(__s, __len);
- }
- }
- sequence_buffer& write(value_type* __s, size_t __len)
- {
- append(__s, __len);
- return *this;
- }
- sequence_buffer& put(value_type __x)
- {
- push_back(__x);
- return *this;
- }
- sequence_buffer& operator=(const value_type& __rhs)
- {
- push_back(__rhs);
- return *this;
- }
- sequence_buffer& operator*() { return *this; }
- sequence_buffer& operator++() { return *this; }
- sequence_buffer operator++(int) { return *this; }
-};
-
-// The following should be treated as private, at least for now.
-template<class _CharT>
-class _Rope_char_consumer {
+
+ void
+ flush()
+ {
+ _M_prefix->append(_M_buffer, _M_buffer + _M_buf_count);
+ _M_buf_count = 0;
+ }
+
+ ~sequence_buffer()
+ { flush(); }
+
+ sequence_buffer()
+ : _M_prefix(0), _M_buf_count(0) { }
+
+ sequence_buffer(const sequence_buffer& __x)
+ {
+ _M_prefix = __x._M_prefix;
+ _M_buf_count = __x._M_buf_count;
+ copy(__x._M_buffer, __x._M_buffer + __x._M_buf_count, _M_buffer);
+ }
+
+ sequence_buffer(sequence_buffer& __x)
+ {
+ __x.flush();
+ _M_prefix = __x._M_prefix;
+ _M_buf_count = 0;
+ }
+
+ sequence_buffer(_Sequence& __s)
+ : _M_prefix(&__s), _M_buf_count(0) { }
+
+ sequence_buffer&
+ operator=(sequence_buffer& __x)
+ {
+ __x.flush();
+ _M_prefix = __x._M_prefix;
+ _M_buf_count = 0;
+ return *this;
+ }
+
+ sequence_buffer&
+ operator=(const sequence_buffer& __x)
+ {
+ _M_prefix = __x._M_prefix;
+ _M_buf_count = __x._M_buf_count;
+ copy(__x._M_buffer, __x._M_buffer + __x._M_buf_count, _M_buffer);
+ return *this;
+ }
+
+ void
+ push_back(value_type __x)
+ {
+ if (_M_buf_count < _Buf_sz)
+ {
+ _M_buffer[_M_buf_count] = __x;
+ ++_M_buf_count;
+ }
+ else
+ {
+ flush();
+ _M_buffer[0] = __x;
+ _M_buf_count = 1;
+ }
+ }
+
+ void
+ append(value_type* __s, size_t __len)
+ {
+ if (__len + _M_buf_count <= _Buf_sz)
+ {
+ size_t __i = _M_buf_count;
+ for (size_t __j = 0; __j < __len; __i++, __j++)
+ _M_buffer[__i] = __s[__j];
+ _M_buf_count += __len;
+ }
+ else if (0 == _M_buf_count)
+ _M_prefix->append(__s, __s + __len);
+ else
+ {
+ flush();
+ append(__s, __len);
+ }
+ }
+
+ sequence_buffer&
+ write(value_type* __s, size_t __len)
+ {
+ append(__s, __len);
+ return *this;
+ }
+
+ sequence_buffer&
+ put(value_type __x)
+ {
+ push_back(__x);
+ return *this;
+ }
+
+ sequence_buffer&
+ operator=(const value_type& __rhs)
+ {
+ push_back(__rhs);
+ return *this;
+ }
+
+ sequence_buffer&
+ operator*()
+ { return *this; }
+
+ sequence_buffer&
+ operator++()
+ { return *this; }
+
+ sequence_buffer
+ operator++(int)
+ { return *this; }
+ };
+
+ // The following should be treated as private, at least for now.
+ template<class _CharT>
+ class _Rope_char_consumer
+ {
public:
- // If we had member templates, these should not be virtual.
- // For now we need to use run-time parametrization where
- // compile-time would do. Hence this should all be private
- // for now.
- // The symmetry with char_producer is accidental and temporary.
- virtual ~_Rope_char_consumer() {};
- virtual bool operator()(const _CharT* __buffer, size_t __len) = 0;
-};
-
-// First a lot of forward declarations. The standard seems to require
-// much stricter "declaration before use" than many of the implementations
-// that preceded it.
-template<class _CharT, class _Alloc = allocator<_CharT> > class rope;
-template<class _CharT, class _Alloc> struct _Rope_RopeConcatenation;
-template<class _CharT, class _Alloc> struct _Rope_RopeLeaf;
-template<class _CharT, class _Alloc> struct _Rope_RopeFunction;
-template<class _CharT, class _Alloc> struct _Rope_RopeSubstring;
-template<class _CharT, class _Alloc> class _Rope_iterator;
-template<class _CharT, class _Alloc> class _Rope_const_iterator;
-template<class _CharT, class _Alloc> class _Rope_char_ref_proxy;
-template<class _CharT, class _Alloc> class _Rope_char_ptr_proxy;
-
-template<class _CharT, class _Alloc>
-bool operator== (const _Rope_char_ptr_proxy<_CharT,_Alloc>& __x,
- const _Rope_char_ptr_proxy<_CharT,_Alloc>& __y);
-
-template<class _CharT, class _Alloc>
-_Rope_const_iterator<_CharT,_Alloc> operator-
- (const _Rope_const_iterator<_CharT,_Alloc>& __x,
- ptrdiff_t __n);
-
-template<class _CharT, class _Alloc>
-_Rope_const_iterator<_CharT,_Alloc> operator+
- (const _Rope_const_iterator<_CharT,_Alloc>& __x,
- ptrdiff_t __n);
-
-template<class _CharT, class _Alloc>
-_Rope_const_iterator<_CharT,_Alloc> operator+
- (ptrdiff_t __n,
- const _Rope_const_iterator<_CharT,_Alloc>& __x);
-
-template<class _CharT, class _Alloc>
-bool operator==
- (const _Rope_const_iterator<_CharT,_Alloc>& __x,
- const _Rope_const_iterator<_CharT,_Alloc>& __y);
-
-template<class _CharT, class _Alloc>
-bool operator<
- (const _Rope_const_iterator<_CharT,_Alloc>& __x,
- const _Rope_const_iterator<_CharT,_Alloc>& __y);
-
-template<class _CharT, class _Alloc>
-ptrdiff_t operator-
- (const _Rope_const_iterator<_CharT,_Alloc>& __x,
- const _Rope_const_iterator<_CharT,_Alloc>& __y);
-
-template<class _CharT, class _Alloc>
-_Rope_iterator<_CharT,_Alloc> operator-
- (const _Rope_iterator<_CharT,_Alloc>& __x,
- ptrdiff_t __n);
-
-template<class _CharT, class _Alloc>
-_Rope_iterator<_CharT,_Alloc> operator+
- (const _Rope_iterator<_CharT,_Alloc>& __x,
- ptrdiff_t __n);
-
-template<class _CharT, class _Alloc>
-_Rope_iterator<_CharT,_Alloc> operator+
- (ptrdiff_t __n,
- const _Rope_iterator<_CharT,_Alloc>& __x);
-
-template<class _CharT, class _Alloc>
-bool operator==
- (const _Rope_iterator<_CharT,_Alloc>& __x,
- const _Rope_iterator<_CharT,_Alloc>& __y);
-
-template<class _CharT, class _Alloc>
-bool operator<
- (const _Rope_iterator<_CharT,_Alloc>& __x,
- const _Rope_iterator<_CharT,_Alloc>& __y);
-
-template<class _CharT, class _Alloc>
-ptrdiff_t operator-
- (const _Rope_iterator<_CharT,_Alloc>& __x,
- const _Rope_iterator<_CharT,_Alloc>& __y);
-
-template<class _CharT, class _Alloc>
-rope<_CharT,_Alloc> operator+ (const rope<_CharT,_Alloc>& __left,
- const rope<_CharT,_Alloc>& __right);
-
-template<class _CharT, class _Alloc>
-rope<_CharT,_Alloc> operator+ (const rope<_CharT,_Alloc>& __left,
- const _CharT* __right);
-
-template<class _CharT, class _Alloc>
-rope<_CharT,_Alloc> operator+ (const rope<_CharT,_Alloc>& __left,
- _CharT __right);
-
-// Some helpers, so we can use power on ropes.
-// See below for why this isn't local to the implementation.
-
-// This uses a nonstandard refcount convention.
-// The result has refcount 0.
-template<class _CharT, class _Alloc>
-struct _Rope_Concat_fn
- : public std::binary_function<rope<_CharT,_Alloc>, rope<_CharT,_Alloc>,
- rope<_CharT,_Alloc> > {
- rope<_CharT,_Alloc> operator() (const rope<_CharT,_Alloc>& __x,
- const rope<_CharT,_Alloc>& __y) {
- return __x + __y;
- }
-};
-
-template <class _CharT, class _Alloc>
-inline
-rope<_CharT,_Alloc>
-identity_element(_Rope_Concat_fn<_CharT, _Alloc>)
-{
- return rope<_CharT,_Alloc>();
-}
+ // If we had member templates, these should not be virtual.
+ // For now we need to use run-time parametrization where
+ // compile-time would do. Hence this should all be private
+ // for now.
+ // The symmetry with char_producer is accidental and temporary.
+ virtual ~_Rope_char_consumer() {};
+
+ virtual bool
+ operator()(const _CharT* __buffer, size_t __len) = 0;
+ };
+
+ // First a lot of forward declarations. The standard seems to require
+ // much stricter "declaration before use" than many of the implementations
+ // that preceded it.
+ template<class _CharT, class _Alloc = allocator<_CharT> >
+ class rope;
+
+ template<class _CharT, class _Alloc>
+ struct _Rope_RopeConcatenation;
+
+ template<class _CharT, class _Alloc>
+ struct _Rope_RopeLeaf;
+
+ template<class _CharT, class _Alloc>
+ struct _Rope_RopeFunction;
+
+ template<class _CharT, class _Alloc>
+ struct _Rope_RopeSubstring;
+
+ template<class _CharT, class _Alloc>
+ class _Rope_iterator;
+
+ template<class _CharT, class _Alloc>
+ class _Rope_const_iterator;
+
+ template<class _CharT, class _Alloc>
+ class _Rope_char_ref_proxy;
+
+ template<class _CharT, class _Alloc>
+ class _Rope_char_ptr_proxy;
+
+ template<class _CharT, class _Alloc>
+ bool
+ operator==(const _Rope_char_ptr_proxy<_CharT, _Alloc>& __x,
+ const _Rope_char_ptr_proxy<_CharT, _Alloc>& __y);
+
+ template<class _CharT, class _Alloc>
+ _Rope_const_iterator<_CharT, _Alloc>
+ operator-(const _Rope_const_iterator<_CharT, _Alloc>& __x,
+ ptrdiff_t __n);
+
+ template<class _CharT, class _Alloc>
+ _Rope_const_iterator<_CharT, _Alloc>
+ operator+(const _Rope_const_iterator<_CharT, _Alloc>& __x,
+ ptrdiff_t __n);
+
+ template<class _CharT, class _Alloc>
+ _Rope_const_iterator<_CharT, _Alloc>
+ operator+(ptrdiff_t __n,
+ const _Rope_const_iterator<_CharT, _Alloc>& __x);
+
+ template<class _CharT, class _Alloc>
+ bool
+ operator==(const _Rope_const_iterator<_CharT, _Alloc>& __x,
+ const _Rope_const_iterator<_CharT, _Alloc>& __y);
+
+ template<class _CharT, class _Alloc>
+ bool
+ operator<(const _Rope_const_iterator<_CharT, _Alloc>& __x,
+ const _Rope_const_iterator<_CharT, _Alloc>& __y);
+
+ template<class _CharT, class _Alloc>
+ ptrdiff_t
+ operator-(const _Rope_const_iterator<_CharT, _Alloc>& __x,
+ const _Rope_const_iterator<_CharT, _Alloc>& __y);
+
+ template<class _CharT, class _Alloc>
+ _Rope_iterator<_CharT, _Alloc>
+ operator-(const _Rope_iterator<_CharT, _Alloc>& __x, ptrdiff_t __n);
+
+ template<class _CharT, class _Alloc>
+ _Rope_iterator<_CharT, _Alloc>
+ operator+(const _Rope_iterator<_CharT, _Alloc>& __x, ptrdiff_t __n);
+
+ template<class _CharT, class _Alloc>
+ _Rope_iterator<_CharT, _Alloc>
+ operator+(ptrdiff_t __n, const _Rope_iterator<_CharT, _Alloc>& __x);
+
+ template<class _CharT, class _Alloc>
+ bool
+ operator==(const _Rope_iterator<_CharT, _Alloc>& __x,
+ const _Rope_iterator<_CharT, _Alloc>& __y);
+
+ template<class _CharT, class _Alloc>
+ bool
+ operator<(const _Rope_iterator<_CharT, _Alloc>& __x,
+ const _Rope_iterator<_CharT, _Alloc>& __y);
+
+ template<class _CharT, class _Alloc>
+ ptrdiff_t
+ operator-(const _Rope_iterator<_CharT, _Alloc>& __x,
+ const _Rope_iterator<_CharT, _Alloc>& __y);
+
+ template<class _CharT, class _Alloc>
+ rope<_CharT, _Alloc>
+ operator+(const rope<_CharT, _Alloc>& __left,
+ const rope<_CharT, _Alloc>& __right);
+
+ template<class _CharT, class _Alloc>
+ rope<_CharT, _Alloc>
+ operator+(const rope<_CharT, _Alloc>& __left, const _CharT* __right);
+
+ template<class _CharT, class _Alloc>
+ rope<_CharT, _Alloc>
+ operator+(const rope<_CharT, _Alloc>& __left, _CharT __right);
+
+ // Some helpers, so we can use power on ropes.
+ // See below for why this isn't local to the implementation.
+
+ // This uses a nonstandard refcount convention.
+ // The result has refcount 0.
+ template<class _CharT, class _Alloc>
+ struct _Rope_Concat_fn
+ : public std::binary_function<rope<_CharT, _Alloc>, rope<_CharT, _Alloc>,
+ rope<_CharT, _Alloc> >
+ {
+ rope<_CharT, _Alloc>
+ operator()(const rope<_CharT, _Alloc>& __x,
+ const rope<_CharT, _Alloc>& __y)
+ { return __x + __y; }
+ };
+ template <class _CharT, class _Alloc>
+ inline rope<_CharT, _Alloc>
+ identity_element(_Rope_Concat_fn<_CharT, _Alloc>)
+ { return rope<_CharT, _Alloc>(); }
// Class _Refcount_Base provides a type, _RC_t, a data member,
// _M_ref_count, and member functions _M_incr and _M_decr, which perform
{
// The type _RC_t
typedef size_t _RC_t;
-
+
// The data member _M_ref_count
volatile _RC_t _M_ref_count;
}
};
-//
-// What follows should really be local to rope. Unfortunately,
-// that doesn't work, since it makes it impossible to define generic
-// equality on rope iterators. According to the draft standard, the
-// template parameters for such an equality operator cannot be inferred
-// from the occurrence of a member class as a parameter.
-// (SGI compilers in fact allow this, but the __result wouldn't be
-// portable.)
-// Similarly, some of the static member functions are member functions
-// only to avoid polluting the global namespace, and to circumvent
-// restrictions on type inference for template functions.
-//
-
-//
-// The internal data structure for representing a rope. This is
-// private to the implementation. A rope is really just a pointer
-// to one of these.
-//
-// A few basic functions for manipulating this data structure
-// are members of _RopeRep. Most of the more complex algorithms
-// are implemented as rope members.
-//
-// Some of the static member functions of _RopeRep have identically
-// named functions in rope that simply invoke the _RopeRep versions.
+ //
+ // What follows should really be local to rope. Unfortunately,
+ // that doesn't work, since it makes it impossible to define generic
+ // equality on rope iterators. According to the draft standard, the
+ // template parameters for such an equality operator cannot be inferred
+ // from the occurrence of a member class as a parameter.
+ // (SGI compilers in fact allow this, but the __result wouldn't be
+ // portable.)
+ // Similarly, some of the static member functions are member functions
+ // only to avoid polluting the global namespace, and to circumvent
+ // restrictions on type inference for template functions.
+ //
+
+ //
+ // The internal data structure for representing a rope. This is
+ // private to the implementation. A rope is really just a pointer
+ // to one of these.
+ //
+ // A few basic functions for manipulating this data structure
+ // are members of _RopeRep. Most of the more complex algorithms
+ // are implemented as rope members.
+ //
+ // Some of the static member functions of _RopeRep have identically
+ // named functions in rope that simply invoke the _RopeRep versions.
#define __ROPE_DEFINE_ALLOCS(__a) \
__ROPE_DEFINE_ALLOC(_CharT,_Data) /* character data */ \
typedef _Rope_RopeSubstring<_CharT,__a> __S; \
__ROPE_DEFINE_ALLOC(__S,_S)
-// Internal rope nodes potentially store a copy of the allocator
-// instance used to allocate them. This is mostly redundant.
-// But the alternative would be to pass allocator instances around
-// in some form to nearly all internal functions, since any pointer
-// assignment may result in a zero reference count and thus require
-// deallocation.
+ // Internal rope nodes potentially store a copy of the allocator
+ // instance used to allocate them. This is mostly redundant.
+ // But the alternative would be to pass allocator instances around
+ // in some form to nearly all internal functions, since any pointer
+ // assignment may result in a zero reference count and thus require
+ // deallocation.
#define __STATIC_IF_SGI_ALLOC /* not static */
-template <class _CharT, class _Alloc>
-struct _Rope_rep_base
-: public _Alloc
-{
- typedef _Alloc allocator_type;
+ template <class _CharT, class _Alloc>
+ struct _Rope_rep_base
+ : public _Alloc
+ {
+ typedef _Alloc allocator_type;
- allocator_type
- get_allocator() const { return *static_cast<const _Alloc*>(this); }
+ allocator_type
+ get_allocator() const
+ { return *static_cast<const _Alloc*>(this); }
- _Rope_rep_base(size_t __size, const allocator_type&)
- : _M_size(__size) {}
+ _Rope_rep_base(size_t __size, const allocator_type&)
+ : _M_size(__size) {}
- size_t _M_size;
+ size_t _M_size;
# define __ROPE_DEFINE_ALLOC(_Tp, __name) \
typedef typename \
{ return __name##Alloc().allocate(__n); } \
static void __name##_deallocate(_Tp *__p, size_t __n) \
{ __name##Alloc().deallocate(__p, __n); }
- __ROPE_DEFINE_ALLOCS(_Alloc)
+ __ROPE_DEFINE_ALLOCS(_Alloc)
# undef __ROPE_DEFINE_ALLOC
-};
+ };
-namespace _Rope_constants
-{
- enum { _S_max_rope_depth = 45 };
- enum _Tag {_S_leaf, _S_concat, _S_substringfn, _S_function};
-}
+ namespace _Rope_constants
+ {
+ enum { _S_max_rope_depth = 45 };
+ enum _Tag {_S_leaf, _S_concat, _S_substringfn, _S_function};
+ }
-template<class _CharT, class _Alloc>
-struct _Rope_RopeRep : public _Rope_rep_base<_CharT,_Alloc>
+ template<class _CharT, class _Alloc>
+ struct _Rope_RopeRep
+ : public _Rope_rep_base<_CharT, _Alloc>
# ifndef __GC
- , _Refcount_Base
+ , _Refcount_Base
# endif
-{
+ {
public:
- _Rope_constants::_Tag _M_tag:8;
- bool _M_is_balanced:8;
- unsigned char _M_depth;
- __GC_CONST _CharT* _M_c_string;
- __gthread_mutex_t _M_c_string_lock;
+ _Rope_constants::_Tag _M_tag:8;
+ bool _M_is_balanced:8;
+ unsigned char _M_depth;
+ __GC_CONST _CharT* _M_c_string;
+ __gthread_mutex_t _M_c_string_lock;
/* Flattened version of string, if needed. */
/* typically 0. */
/* If it's not 0, then the memory is owned */
/* by this node. */
/* In the case of a leaf, this may point to */
/* the same memory as the data field. */
- typedef typename _Rope_rep_base<_CharT,_Alloc>::allocator_type
- allocator_type;
- using _Rope_rep_base<_CharT,_Alloc>::get_allocator;
- _Rope_RopeRep(_Rope_constants::_Tag __t, int __d, bool __b, size_t __size,
- allocator_type __a)
- : _Rope_rep_base<_CharT,_Alloc>(__size, __a),
-# ifndef __GC
- _Refcount_Base(1),
-# endif
- _M_tag(__t), _M_is_balanced(__b), _M_depth(__d), _M_c_string(0)
+ typedef typename _Rope_rep_base<_CharT, _Alloc>::allocator_type
+ allocator_type;
+
+ using _Rope_rep_base<_CharT, _Alloc>::get_allocator;
+
+ _Rope_RopeRep(_Rope_constants::_Tag __t, int __d, bool __b, size_t __size,
+ allocator_type __a)
+ : _Rope_rep_base<_CharT, _Alloc>(__size, __a),
+#ifndef __GC
+ _Refcount_Base(1),
+#endif
+ _M_tag(__t), _M_is_balanced(__b), _M_depth(__d), _M_c_string(0)
#ifdef __GTHREAD_MUTEX_INIT
{
- // Do not copy a POSIX/gthr mutex once in use. However, bits are bits.
- __gthread_mutex_t __tmp = __GTHREAD_MUTEX_INIT;
- _M_c_string_lock = __tmp;
+ // Do not copy a POSIX/gthr mutex once in use. However, bits are bits.
+ __gthread_mutex_t __tmp = __GTHREAD_MUTEX_INIT;
+ _M_c_string_lock = __tmp;
}
#else
{ __GTHREAD_MUTEX_INIT_FUNCTION (&_M_c_string_lock); }
#endif
-# ifdef __GC
- void _M_incr () {}
-# endif
- static void _S_free_string(__GC_CONST _CharT*, size_t __len,
- allocator_type __a);
-# define __STL_FREE_STRING(__s, __l, __a) _S_free_string(__s, __l, __a);
+#ifdef __GC
+ void
+ _M_incr () {}
+#endif
+ static void
+ _S_free_string(__GC_CONST _CharT*, size_t __len,
+ allocator_type __a);
+#define __STL_FREE_STRING(__s, __l, __a) _S_free_string(__s, __l, __a);
// Deallocate data section of a leaf.
// This shouldn't be a member function.
// But its hard to do anything else at the
// moment, because it's templatized w.r.t.
// an allocator.
// Does nothing if __GC is defined.
-# ifndef __GC
- void _M_free_c_string();
- void _M_free_tree();
- // Deallocate t. Assumes t is not 0.
- void _M_unref_nonnil()
- {
- if (0 == _M_decr()) _M_free_tree();
- }
- void _M_ref_nonnil()
- {
- _M_incr();
- }
- static void _S_unref(_Rope_RopeRep* __t)
- {
- if (0 != __t) {
- __t->_M_unref_nonnil();
- }
- }
- static void _S_ref(_Rope_RopeRep* __t)
- {
- if (0 != __t) __t->_M_incr();
- }
- static void _S_free_if_unref(_Rope_RopeRep* __t)
- {
- if (0 != __t && 0 == __t->_M_ref_count) __t->_M_free_tree();
- }
+#ifndef __GC
+ void _M_free_c_string();
+ void _M_free_tree();
+ // Deallocate t. Assumes t is not 0.
+ void
+ _M_unref_nonnil()
+ {
+ if (0 == _M_decr())
+ _M_free_tree();
+ }
+
+ void
+ _M_ref_nonnil()
+ { _M_incr(); }
+
+ static void
+ _S_unref(_Rope_RopeRep* __t)
+ {
+ if (0 != __t)
+ __t->_M_unref_nonnil();
+ }
+
+ static void
+ _S_ref(_Rope_RopeRep* __t)
+ {
+ if (0 != __t)
+ __t->_M_incr();
+ }
+
+ static void
+ _S_free_if_unref(_Rope_RopeRep* __t)
+ {
+ if (0 != __t && 0 == __t->_M_ref_count)
+ __t->_M_free_tree();
+ }
# else /* __GC */
- void _M_unref_nonnil() {}
- void _M_ref_nonnil() {}
- static void _S_unref(_Rope_RopeRep*) {}
- static void _S_ref(_Rope_RopeRep*) {}
- static void _S_free_if_unref(_Rope_RopeRep*) {}
+ void _M_unref_nonnil() {}
+ void _M_ref_nonnil() {}
+ static void _S_unref(_Rope_RopeRep*) {}
+ static void _S_ref(_Rope_RopeRep*) {}
+ static void _S_free_if_unref(_Rope_RopeRep*) {}
# endif
protected:
- _Rope_RopeRep&
- operator=(const _Rope_RopeRep&);
+ _Rope_RopeRep&
+ operator=(const _Rope_RopeRep&);
- _Rope_RopeRep(const _Rope_RopeRep&);
-};
+ _Rope_RopeRep(const _Rope_RopeRep&);
+ };
-template<class _CharT, class _Alloc>
-struct _Rope_RopeLeaf : public _Rope_RopeRep<_CharT,_Alloc> {
- public:
- // Apparently needed by VC++
- // The data fields of leaves are allocated with some
- // extra space, to accommodate future growth and for basic
- // character types, to hold a trailing eos character.
- enum { _S_alloc_granularity = 8 };
- static size_t _S_rounded_up_size(size_t __n) {
+ template<class _CharT, class _Alloc>
+ struct _Rope_RopeLeaf
+ : public _Rope_RopeRep<_CharT, _Alloc>
+ {
+ public:
+ // Apparently needed by VC++
+ // The data fields of leaves are allocated with some
+ // extra space, to accommodate future growth and for basic
+ // character types, to hold a trailing eos character.
+ enum { _S_alloc_granularity = 8 };
+
+ static size_t
+ _S_rounded_up_size(size_t __n)
+ {
size_t __size_with_eos;
+
+ if (_S_is_basic_char_type((_CharT*)0))
+ __size_with_eos = __n + 1;
+ else
+ __size_with_eos = __n;
+#ifdef __GC
+ return __size_with_eos;
+#else
+ // Allow slop for in-place expansion.
+ return ((__size_with_eos + _S_alloc_granularity - 1)
+ &~ (_S_alloc_granularity - 1));
+#endif
+ }
+ __GC_CONST _CharT* _M_data; /* Not necessarily 0 terminated. */
+ /* The allocated size is */
+ /* _S_rounded_up_size(size), except */
+ /* in the GC case, in which it */
+ /* doesn't matter. */
+ typedef typename _Rope_rep_base<_CharT,_Alloc>::allocator_type
+ allocator_type;
- if (_S_is_basic_char_type((_CharT*)0)) {
- __size_with_eos = __n + 1;
- } else {
- __size_with_eos = __n;
- }
-# ifdef __GC
- return __size_with_eos;
-# else
- // Allow slop for in-place expansion.
- return (__size_with_eos + _S_alloc_granularity-1)
- &~ (_S_alloc_granularity-1);
-# endif
- }
- __GC_CONST _CharT* _M_data; /* Not necessarily 0 terminated. */
- /* The allocated size is */
- /* _S_rounded_up_size(size), except */
- /* in the GC case, in which it */
- /* doesn't matter. */
- typedef typename _Rope_rep_base<_CharT,_Alloc>::allocator_type
- allocator_type;
- _Rope_RopeLeaf(__GC_CONST _CharT* __d, size_t __size, allocator_type __a)
- : _Rope_RopeRep<_CharT,_Alloc>(_Rope_constants::_S_leaf, 0, true, __size, __a), _M_data(__d)
- {
- if (_S_is_basic_char_type((_CharT *)0)) {
+ _Rope_RopeLeaf(__GC_CONST _CharT* __d, size_t __size,
+ allocator_type __a)
+ : _Rope_RopeRep<_CharT, _Alloc>(_Rope_constants::_S_leaf, 0, true,
+ __size, __a), _M_data(__d)
+ {
+ if (_S_is_basic_char_type((_CharT *)0))
+ {
// already eos terminated.
this->_M_c_string = __d;
- }
- }
- // The constructor assumes that d has been allocated with
- // the proper allocator and the properly padded size.
- // In contrast, the destructor deallocates the data:
-# ifndef __GC
- ~_Rope_RopeLeaf() throw() {
- if (_M_data != this->_M_c_string) {
+ }
+ }
+ // The constructor assumes that d has been allocated with
+ // the proper allocator and the properly padded size.
+ // In contrast, the destructor deallocates the data:
+#ifndef __GC
+ ~_Rope_RopeLeaf() throw()
+ {
+ if (_M_data != this->_M_c_string)
this->_M_free_c_string();
- }
+
__STL_FREE_STRING(_M_data, this->_M_size, this->get_allocator());
- }
-# endif
+ }
+#endif
protected:
- _Rope_RopeLeaf&
- operator=(const _Rope_RopeLeaf&);
+ _Rope_RopeLeaf&
+ operator=(const _Rope_RopeLeaf&);
- _Rope_RopeLeaf(const _Rope_RopeLeaf&);
-};
+ _Rope_RopeLeaf(const _Rope_RopeLeaf&);
+ };
-template<class _CharT, class _Alloc>
-struct _Rope_RopeConcatenation : public _Rope_RopeRep<_CharT,_Alloc> {
- public:
- _Rope_RopeRep<_CharT,_Alloc>* _M_left;
- _Rope_RopeRep<_CharT,_Alloc>* _M_right;
- typedef typename _Rope_rep_base<_CharT,_Alloc>::allocator_type
- allocator_type;
- _Rope_RopeConcatenation(_Rope_RopeRep<_CharT,_Alloc>* __l,
- _Rope_RopeRep<_CharT,_Alloc>* __r,
- allocator_type __a)
-
- : _Rope_RopeRep<_CharT,_Alloc>(_Rope_constants::_S_concat,
- std::max(__l->_M_depth, __r->_M_depth) + 1,
- false,
- __l->_M_size + __r->_M_size, __a),
+ template<class _CharT, class _Alloc>
+ struct _Rope_RopeConcatenation
+ : public _Rope_RopeRep<_CharT, _Alloc>
+ {
+ public:
+ _Rope_RopeRep<_CharT, _Alloc>* _M_left;
+ _Rope_RopeRep<_CharT, _Alloc>* _M_right;
+
+ typedef typename _Rope_rep_base<_CharT, _Alloc>::allocator_type
+ allocator_type;
+
+ _Rope_RopeConcatenation(_Rope_RopeRep<_CharT, _Alloc>* __l,
+ _Rope_RopeRep<_CharT, _Alloc>* __r,
+ allocator_type __a)
+ : _Rope_RopeRep<_CharT, _Alloc>(_Rope_constants::_S_concat,
+ std::max(__l->_M_depth,
+ __r->_M_depth) + 1,
+ false,
+ __l->_M_size + __r->_M_size, __a),
_M_left(__l), _M_right(__r)
- {}
-# ifndef __GC
- ~_Rope_RopeConcatenation() throw() {
- this->_M_free_c_string();
- _M_left->_M_unref_nonnil();
- _M_right->_M_unref_nonnil();
- }
-# endif
+ { }
+#ifndef __GC
+ ~_Rope_RopeConcatenation() throw()
+ {
+ this->_M_free_c_string();
+ _M_left->_M_unref_nonnil();
+ _M_right->_M_unref_nonnil();
+ }
+#endif
protected:
- _Rope_RopeConcatenation&
- operator=(const _Rope_RopeConcatenation&);
-
- _Rope_RopeConcatenation(const _Rope_RopeConcatenation&);
-};
+ _Rope_RopeConcatenation&
+ operator=(const _Rope_RopeConcatenation&);
+
+ _Rope_RopeConcatenation(const _Rope_RopeConcatenation&);
+ };
-template<class _CharT, class _Alloc>
-struct _Rope_RopeFunction : public _Rope_RopeRep<_CharT,_Alloc> {
- public:
- char_producer<_CharT>* _M_fn;
-# ifndef __GC
+ template<class _CharT, class _Alloc>
+ struct _Rope_RopeFunction
+ : public _Rope_RopeRep<_CharT, _Alloc>
+ {
+ public:
+ char_producer<_CharT>* _M_fn;
+#ifndef __GC
bool _M_delete_when_done; // Char_producer is owned by the
// rope and should be explicitly
// deleted when the rope becomes
// inaccessible.
-# else
+#else
// In the GC case, we either register the rope for
// finalization, or not. Thus the field is unnecessary;
// the information is stored in the collector data structures.
// We do need a finalization procedure to be invoked by the
// collector.
- static void _S_fn_finalization_proc(void * __tree, void *) {
- delete ((_Rope_RopeFunction *)__tree) -> _M_fn;
- }
-# endif
- typedef typename _Rope_rep_base<_CharT,_Alloc>::allocator_type
- allocator_type;
- _Rope_RopeFunction(char_producer<_CharT>* __f, size_t __size,
+ static void
+ _S_fn_finalization_proc(void * __tree, void *)
+ { delete ((_Rope_RopeFunction *)__tree) -> _M_fn; }
+#endif
+ typedef typename _Rope_rep_base<_CharT, _Alloc>::allocator_type
+ allocator_type;
+
+ _Rope_RopeFunction(char_producer<_CharT>* __f, size_t __size,
bool __d, allocator_type __a)
- : _Rope_RopeRep<_CharT,_Alloc>(_Rope_constants::_S_function,
- 0, true, __size, __a)
- , _M_fn(__f)
-# ifndef __GC
- , _M_delete_when_done(__d)
-# endif
- {
-# ifdef __GC
- if (__d) {
- GC_REGISTER_FINALIZER(
- this, _Rope_RopeFunction::_S_fn_finalization_proc, 0, 0, 0);
- }
-# endif
- }
-# ifndef __GC
- ~_Rope_RopeFunction() throw() {
- this->_M_free_c_string();
- if (_M_delete_when_done) {
- delete _M_fn;
- }
- }
+ : _Rope_RopeRep<_CharT, _Alloc>(_Rope_constants::_S_function,
+ 0, true, __size, __a)
+ , _M_fn(__f)
+#ifndef __GC
+ , _M_delete_when_done(__d)
+#endif
+ {
+#ifdef __GC
+ if (__d)
+ {
+ GC_REGISTER_FINALIZER(this, _Rope_RopeFunction::
+ _S_fn_finalization_proc, 0, 0, 0);
+ }
+#endif
+ }
+#ifndef __GC
+ ~_Rope_RopeFunction() throw()
+ {
+ this->_M_free_c_string();
+ if (_M_delete_when_done)
+ delete _M_fn;
+ }
# endif
-protected:
- _Rope_RopeFunction&
- operator=(const _Rope_RopeFunction&);
-
- _Rope_RopeFunction(const _Rope_RopeFunction&);
-};
-// Substring results are usually represented using just
-// concatenation nodes. But in the case of very long flat ropes
-// or ropes with a functional representation that isn't practical.
-// In that case, we represent the __result as a special case of
-// RopeFunction, whose char_producer points back to the rope itself.
-// In all cases except repeated substring operations and
-// deallocation, we treat the __result as a RopeFunction.
-template<class _CharT, class _Alloc>
-struct _Rope_RopeSubstring : public _Rope_RopeFunction<_CharT,_Alloc>,
- public char_producer<_CharT> {
- public:
- // XXX this whole class should be rewritten.
- _Rope_RopeRep<_CharT,_Alloc>* _M_base; // not 0
- size_t _M_start;
- virtual void operator()(size_t __start_pos, size_t __req_len,
- _CharT* __buffer) {
- switch(_M_base->_M_tag) {
- case _Rope_constants::_S_function:
- case _Rope_constants::_S_substringfn:
- {
- char_producer<_CharT>* __fn =
- ((_Rope_RopeFunction<_CharT,_Alloc>*)_M_base)->_M_fn;
- (*__fn)(__start_pos + _M_start, __req_len, __buffer);
- }
- break;
- case _Rope_constants::_S_leaf:
- {
- __GC_CONST _CharT* __s =
- ((_Rope_RopeLeaf<_CharT,_Alloc>*)_M_base)->_M_data;
- uninitialized_copy_n(__s + __start_pos + _M_start, __req_len,
- __buffer);
- }
- break;
- default:
- break;
- }
- }
- typedef typename _Rope_rep_base<_CharT,_Alloc>::allocator_type
+ protected:
+ _Rope_RopeFunction&
+ operator=(const _Rope_RopeFunction&);
+
+ _Rope_RopeFunction(const _Rope_RopeFunction&);
+ };
+ // Substring results are usually represented using just
+ // concatenation nodes. But in the case of very long flat ropes
+ // or ropes with a functional representation that isn't practical.
+ // In that case, we represent the __result as a special case of
+ // RopeFunction, whose char_producer points back to the rope itself.
+ // In all cases except repeated substring operations and
+ // deallocation, we treat the __result as a RopeFunction.
+ template<class _CharT, class _Alloc>
+ struct _Rope_RopeSubstring
+ : public _Rope_RopeFunction<_CharT, _Alloc>,
+ public char_producer<_CharT>
+ {
+ public:
+ // XXX this whole class should be rewritten.
+ _Rope_RopeRep<_CharT,_Alloc>* _M_base; // not 0
+ size_t _M_start;
+
+ virtual void
+ operator()(size_t __start_pos, size_t __req_len,
+ _CharT* __buffer)
+ {
+ switch(_M_base->_M_tag)
+ {
+ case _Rope_constants::_S_function:
+ case _Rope_constants::_S_substringfn:
+ {
+ char_producer<_CharT>* __fn =
+ ((_Rope_RopeFunction<_CharT,_Alloc>*)_M_base)->_M_fn;
+ (*__fn)(__start_pos + _M_start, __req_len, __buffer);
+ }
+ break;
+ case _Rope_constants::_S_leaf:
+ {
+ __GC_CONST _CharT* __s =
+ ((_Rope_RopeLeaf<_CharT,_Alloc>*)_M_base)->_M_data;
+ uninitialized_copy_n(__s + __start_pos + _M_start, __req_len,
+ __buffer);
+ }
+ break;
+ default:
+ break;
+ }
+ }
+
+ typedef typename _Rope_rep_base<_CharT, _Alloc>::allocator_type
allocator_type;
- _Rope_RopeSubstring(_Rope_RopeRep<_CharT,_Alloc>* __b, size_t __s,
+
+ _Rope_RopeSubstring(_Rope_RopeRep<_CharT, _Alloc>* __b, size_t __s,
size_t __l, allocator_type __a)
- : _Rope_RopeFunction<_CharT,_Alloc>(this, __l, false, __a),
- char_producer<_CharT>(),
- _M_base(__b),
- _M_start(__s)
- {
-# ifndef __GC
- _M_base->_M_ref_nonnil();
-# endif
+ : _Rope_RopeFunction<_CharT, _Alloc>(this, __l, false, __a),
+ char_producer<_CharT>(), _M_base(__b), _M_start(__s)
+ {
+#ifndef __GC
+ _M_base->_M_ref_nonnil();
+#endif
this->_M_tag = _Rope_constants::_S_substringfn;
- }
+ }
virtual ~_Rope_RopeSubstring() throw()
{
-# ifndef __GC
- _M_base->_M_unref_nonnil();
- // _M_free_c_string(); -- done by parent class
-# endif
+#ifndef __GC
+ _M_base->_M_unref_nonnil();
+ // _M_free_c_string(); -- done by parent class
+#endif
}
-};
-
+ };
-// Self-destructing pointers to Rope_rep.
-// These are not conventional smart pointers. Their
-// only purpose in life is to ensure that unref is called
-// on the pointer either at normal exit or if an exception
-// is raised. It is the caller's responsibility to
-// adjust reference counts when these pointers are initialized
-// or assigned to. (This convention significantly reduces
-// the number of potentially expensive reference count
-// updates.)
+ // Self-destructing pointers to Rope_rep.
+ // These are not conventional smart pointers. Their
+ // only purpose in life is to ensure that unref is called
+ // on the pointer either at normal exit or if an exception
+ // is raised. It is the caller's responsibility to
+ // adjust reference counts when these pointers are initialized
+ // or assigned to. (This convention significantly reduces
+ // the number of potentially expensive reference count
+ // updates.)
#ifndef __GC
template<class _CharT, class _Alloc>
- struct _Rope_self_destruct_ptr {
- _Rope_RopeRep<_CharT,_Alloc>* _M_ptr;
- ~_Rope_self_destruct_ptr()
- { _Rope_RopeRep<_CharT,_Alloc>::_S_unref(_M_ptr); }
+ struct _Rope_self_destruct_ptr
+ {
+ _Rope_RopeRep<_CharT, _Alloc>* _M_ptr;
+
+ ~_Rope_self_destruct_ptr()
+ { _Rope_RopeRep<_CharT, _Alloc>::_S_unref(_M_ptr); }
#ifdef __EXCEPTIONS
- _Rope_self_destruct_ptr() : _M_ptr(0) {};
+ _Rope_self_destruct_ptr() : _M_ptr(0) {};
#else
- _Rope_self_destruct_ptr() {};
+ _Rope_self_destruct_ptr() {};
#endif
- _Rope_self_destruct_ptr(_Rope_RopeRep<_CharT,_Alloc>* __p) : _M_ptr(__p) {}
- _Rope_RopeRep<_CharT,_Alloc>& operator*() { return *_M_ptr; }
- _Rope_RopeRep<_CharT,_Alloc>* operator->() { return _M_ptr; }
- operator _Rope_RopeRep<_CharT,_Alloc>*() { return _M_ptr; }
- _Rope_self_destruct_ptr& operator= (_Rope_RopeRep<_CharT,_Alloc>* __x)
- { _M_ptr = __x; return *this; }
- };
+ _Rope_self_destruct_ptr(_Rope_RopeRep<_CharT, _Alloc>* __p)
+ : _M_ptr(__p) {}
+
+ _Rope_RopeRep<_CharT, _Alloc>&
+ operator*()
+ { return *_M_ptr; }
+
+ _Rope_RopeRep<_CharT, _Alloc>*
+ operator->()
+ { return _M_ptr; }
+
+ operator _Rope_RopeRep<_CharT, _Alloc>*()
+ { return _M_ptr; }
+
+ _Rope_self_destruct_ptr&
+ operator=(_Rope_RopeRep<_CharT, _Alloc>* __x)
+ { _M_ptr = __x; return *this; }
+ };
#endif
-// Dereferencing a nonconst iterator has to return something
-// that behaves almost like a reference. It's not possible to
-// return an actual reference since assignment requires extra
-// work. And we would get into the same problems as with the
-// CD2 version of basic_string.
-template<class _CharT, class _Alloc>
-class _Rope_char_ref_proxy {
- friend class rope<_CharT,_Alloc>;
- friend class _Rope_iterator<_CharT,_Alloc>;
- friend class _Rope_char_ptr_proxy<_CharT,_Alloc>;
-# ifdef __GC
- typedef _Rope_RopeRep<_CharT,_Alloc>* _Self_destruct_ptr;
-# else
- typedef _Rope_self_destruct_ptr<_CharT,_Alloc> _Self_destruct_ptr;
-# endif
- typedef _Rope_RopeRep<_CharT,_Alloc> _RopeRep;
- typedef rope<_CharT,_Alloc> _My_rope;
- size_t _M_pos;
- _CharT _M_current;
- bool _M_current_valid;
- _My_rope* _M_root; // The whole rope.
- public:
- _Rope_char_ref_proxy(_My_rope* __r, size_t __p)
- : _M_pos(__p), _M_current(), _M_current_valid(false), _M_root(__r) {}
-
- _Rope_char_ref_proxy(const _Rope_char_ref_proxy& __x)
- : _M_pos(__x._M_pos), _M_current(__x._M_current), _M_current_valid(false),
- _M_root(__x._M_root) {}
-
- // Don't preserve cache if the reference can outlive the
- // expression. We claim that's not possible without calling
- // a copy constructor or generating reference to a proxy
- // reference. We declare the latter to have undefined semantics.
- _Rope_char_ref_proxy(_My_rope* __r, size_t __p, _CharT __c)
+ // Dereferencing a nonconst iterator has to return something
+ // that behaves almost like a reference. It's not possible to
+ // return an actual reference since assignment requires extra
+ // work. And we would get into the same problems as with the
+ // CD2 version of basic_string.
+ template<class _CharT, class _Alloc>
+ class _Rope_char_ref_proxy
+ {
+ friend class rope<_CharT, _Alloc>;
+ friend class _Rope_iterator<_CharT, _Alloc>;
+ friend class _Rope_char_ptr_proxy<_CharT, _Alloc>;
+#ifdef __GC
+ typedef _Rope_RopeRep<_CharT, _Alloc>* _Self_destruct_ptr;
+#else
+ typedef _Rope_self_destruct_ptr<_CharT, _Alloc> _Self_destruct_ptr;
+#endif
+ typedef _Rope_RopeRep<_CharT, _Alloc> _RopeRep;
+ typedef rope<_CharT, _Alloc> _My_rope;
+ size_t _M_pos;
+ _CharT _M_current;
+ bool _M_current_valid;
+ _My_rope* _M_root; // The whole rope.
+ public:
+ _Rope_char_ref_proxy(_My_rope* __r, size_t __p)
+ : _M_pos(__p), _M_current(), _M_current_valid(false), _M_root(__r) {}
+
+ _Rope_char_ref_proxy(const _Rope_char_ref_proxy& __x)
+ : _M_pos(__x._M_pos), _M_current(__x._M_current), _M_current_valid(false),
+ _M_root(__x._M_root) {}
+
+ // Don't preserve cache if the reference can outlive the
+ // expression. We claim that's not possible without calling
+ // a copy constructor or generating reference to a proxy
+ // reference. We declare the latter to have undefined semantics.
+ _Rope_char_ref_proxy(_My_rope* __r, size_t __p, _CharT __c)
: _M_pos(__p), _M_current(__c), _M_current_valid(true), _M_root(__r) {}
- inline operator _CharT () const;
- _Rope_char_ref_proxy& operator= (_CharT __c);
- _Rope_char_ptr_proxy<_CharT,_Alloc> operator& () const;
- _Rope_char_ref_proxy& operator= (const _Rope_char_ref_proxy& __c) {
- return operator=((_CharT)__c);
+
+ inline operator _CharT () const;
+
+ _Rope_char_ref_proxy&
+ operator=(_CharT __c);
+
+ _Rope_char_ptr_proxy<_CharT, _Alloc> operator&() const;
+
+ _Rope_char_ref_proxy&
+ operator=(const _Rope_char_ref_proxy& __c)
+ { return operator=((_CharT)__c); }
+ };
+
+ template<class _CharT, class __Alloc>
+ inline void
+ swap(_Rope_char_ref_proxy <_CharT, __Alloc > __a,
+ _Rope_char_ref_proxy <_CharT, __Alloc > __b)
+ {
+ _CharT __tmp = __a;
+ __a = __b;
+ __b = __tmp;
}
-};
-
-template<class _CharT, class __Alloc>
-inline void swap(_Rope_char_ref_proxy <_CharT, __Alloc > __a,
- _Rope_char_ref_proxy <_CharT, __Alloc > __b) {
- _CharT __tmp = __a;
- __a = __b;
- __b = __tmp;
-}
-
-template<class _CharT, class _Alloc>
-class _Rope_char_ptr_proxy {
- // XXX this class should be rewritten.
- friend class _Rope_char_ref_proxy<_CharT,_Alloc>;
- size_t _M_pos;
- rope<_CharT,_Alloc>* _M_root; // The whole rope.
- public:
- _Rope_char_ptr_proxy(const _Rope_char_ref_proxy<_CharT,_Alloc>& __x)
+
+ template<class _CharT, class _Alloc>
+ class _Rope_char_ptr_proxy
+ {
+ // XXX this class should be rewritten.
+ friend class _Rope_char_ref_proxy<_CharT, _Alloc>;
+ size_t _M_pos;
+ rope<_CharT,_Alloc>* _M_root; // The whole rope.
+ public:
+ _Rope_char_ptr_proxy(const _Rope_char_ref_proxy<_CharT,_Alloc>& __x)
: _M_pos(__x._M_pos), _M_root(__x._M_root) {}
- _Rope_char_ptr_proxy(const _Rope_char_ptr_proxy& __x)
+
+ _Rope_char_ptr_proxy(const _Rope_char_ptr_proxy& __x)
: _M_pos(__x._M_pos), _M_root(__x._M_root) {}
- _Rope_char_ptr_proxy() {}
- _Rope_char_ptr_proxy(_CharT* __x) : _M_root(0), _M_pos(0) {
- }
- _Rope_char_ptr_proxy&
- operator= (const _Rope_char_ptr_proxy& __x) {
+
+ _Rope_char_ptr_proxy() {}
+
+ _Rope_char_ptr_proxy(_CharT* __x)
+ : _M_root(0), _M_pos(0) { }
+
+ _Rope_char_ptr_proxy&
+ operator=(const _Rope_char_ptr_proxy& __x)
+ {
_M_pos = __x._M_pos;
_M_root = __x._M_root;
return *this;
- }
- template<class _CharT2, class _Alloc2>
- friend bool operator== (const _Rope_char_ptr_proxy<_CharT2,_Alloc2>& __x,
- const _Rope_char_ptr_proxy<_CharT2,_Alloc2>& __y);
- _Rope_char_ref_proxy<_CharT,_Alloc> operator*() const {
- return _Rope_char_ref_proxy<_CharT,_Alloc>(_M_root, _M_pos);
- }
-};
+ }
+ template<class _CharT2, class _Alloc2>
+ friend bool
+ operator==(const _Rope_char_ptr_proxy<_CharT2, _Alloc2>& __x,
+ const _Rope_char_ptr_proxy<_CharT2, _Alloc2>& __y);
-// Rope iterators:
-// Unlike in the C version, we cache only part of the stack
-// for rope iterators, since they must be efficiently copyable.
-// When we run out of cache, we have to reconstruct the iterator
-// value.
-// Pointers from iterators are not included in reference counts.
-// Iterators are assumed to be thread private. Ropes can
-// be shared.
+ _Rope_char_ref_proxy<_CharT, _Alloc> operator*() const
+ { return _Rope_char_ref_proxy<_CharT, _Alloc>(_M_root, _M_pos); }
+ };
-template<class _CharT, class _Alloc>
-class _Rope_iterator_base
- : public iterator<std::random_access_iterator_tag, _CharT>
-{
- friend class rope<_CharT,_Alloc>;
- public:
- typedef _Alloc _allocator_type; // used in _Rope_rotate, VC++ workaround
- typedef _Rope_RopeRep<_CharT,_Alloc> _RopeRep;
- // Borland doesn't want this to be protected.
- protected:
- enum { _S_path_cache_len = 4 }; // Must be <= 9.
- enum { _S_iterator_buf_len = 15 };
- size_t _M_current_pos;
- _RopeRep* _M_root; // The whole rope.
- size_t _M_leaf_pos; // Starting position for current leaf
- __GC_CONST _CharT* _M_buf_start;
- // Buffer possibly
- // containing current char.
- __GC_CONST _CharT* _M_buf_ptr;
- // Pointer to current char in buffer.
- // != 0 ==> buffer valid.
- __GC_CONST _CharT* _M_buf_end;
- // One past __last valid char in buffer.
- // What follows is the path cache. We go out of our
- // way to make this compact.
- // Path_end contains the bottom section of the path from
- // the root to the current leaf.
- const _RopeRep* _M_path_end[_S_path_cache_len];
- int _M_leaf_index; // Last valid __pos in path_end;
- // _M_path_end[0] ... _M_path_end[leaf_index-1]
- // point to concatenation nodes.
- unsigned char _M_path_directions;
+ // Rope iterators:
+ // Unlike in the C version, we cache only part of the stack
+ // for rope iterators, since they must be efficiently copyable.
+ // When we run out of cache, we have to reconstruct the iterator
+ // value.
+ // Pointers from iterators are not included in reference counts.
+ // Iterators are assumed to be thread private. Ropes can
+ // be shared.
+
+ template<class _CharT, class _Alloc>
+ class _Rope_iterator_base
+ : public iterator<std::random_access_iterator_tag, _CharT>
+ {
+ friend class rope<_CharT, _Alloc>;
+ public:
+ typedef _Alloc _allocator_type; // used in _Rope_rotate, VC++ workaround
+ typedef _Rope_RopeRep<_CharT, _Alloc> _RopeRep;
+ // Borland doesn't want this to be protected.
+ protected:
+ enum { _S_path_cache_len = 4 }; // Must be <= 9.
+ enum { _S_iterator_buf_len = 15 };
+ size_t _M_current_pos;
+ _RopeRep* _M_root; // The whole rope.
+ size_t _M_leaf_pos; // Starting position for current leaf
+ __GC_CONST _CharT* _M_buf_start;
+ // Buffer possibly
+ // containing current char.
+ __GC_CONST _CharT* _M_buf_ptr;
+ // Pointer to current char in buffer.
+ // != 0 ==> buffer valid.
+ __GC_CONST _CharT* _M_buf_end;
+ // One past __last valid char in buffer.
+ // What follows is the path cache. We go out of our
+ // way to make this compact.
+ // Path_end contains the bottom section of the path from
+ // the root to the current leaf.
+ const _RopeRep* _M_path_end[_S_path_cache_len];
+ int _M_leaf_index; // Last valid __pos in path_end;
+ // _M_path_end[0] ... _M_path_end[leaf_index-1]
+ // point to concatenation nodes.
+ unsigned char _M_path_directions;
// (path_directions >> __i) & 1 is 1
// iff we got from _M_path_end[leaf_index - __i - 1]
// to _M_path_end[leaf_index - __i] by going to the
// __right. Assumes path_cache_len <= 9.
- _CharT _M_tmp_buf[_S_iterator_buf_len];
+ _CharT _M_tmp_buf[_S_iterator_buf_len];
// Short buffer for surrounding chars.
// This is useful primarily for
// RopeFunctions. We put the buffer
// here to avoid locking in the
// multithreaded case.
- // The cached path is generally assumed to be valid
- // only if the buffer is valid.
- static void _S_setbuf(_Rope_iterator_base& __x);
+ // The cached path is generally assumed to be valid
+ // only if the buffer is valid.
+ static void _S_setbuf(_Rope_iterator_base& __x);
// Set buffer contents given
// path cache.
- static void _S_setcache(_Rope_iterator_base& __x);
+ static void _S_setcache(_Rope_iterator_base& __x);
// Set buffer contents and
// path cache.
- static void _S_setcache_for_incr(_Rope_iterator_base& __x);
+ static void _S_setcache_for_incr(_Rope_iterator_base& __x);
// As above, but assumes path
// cache is valid for previous posn.
- _Rope_iterator_base() {}
- _Rope_iterator_base(_RopeRep* __root, size_t __pos)
+ _Rope_iterator_base() {}
+
+ _Rope_iterator_base(_RopeRep* __root, size_t __pos)
: _M_current_pos(__pos), _M_root(__root), _M_buf_ptr(0) {}
- void _M_incr(size_t __n);
- void _M_decr(size_t __n);
- public:
- size_t index() const { return _M_current_pos; }
- _Rope_iterator_base(const _Rope_iterator_base& __x) {
- if (0 != __x._M_buf_ptr) {
- *this = __x;
- } else {
+
+ void _M_incr(size_t __n);
+ void _M_decr(size_t __n);
+ public:
+ size_t
+ index() const
+ { return _M_current_pos; }
+
+ _Rope_iterator_base(const _Rope_iterator_base& __x)
+ {
+ if (0 != __x._M_buf_ptr)
+ *this = __x;
+ else
+ {
_M_current_pos = __x._M_current_pos;
_M_root = __x._M_root;
_M_buf_ptr = 0;
- }
- }
-};
+ }
+ }
+ };
-template<class _CharT, class _Alloc> class _Rope_iterator;
+ template<class _CharT, class _Alloc>
+ class _Rope_iterator;
-template<class _CharT, class _Alloc>
-class _Rope_const_iterator : public _Rope_iterator_base<_CharT,_Alloc> {
- friend class rope<_CharT,_Alloc>;
- protected:
- typedef _Rope_RopeRep<_CharT,_Alloc> _RopeRep;
+ template<class _CharT, class _Alloc>
+ class _Rope_const_iterator
+ : public _Rope_iterator_base<_CharT, _Alloc>
+ {
+ friend class rope<_CharT, _Alloc>;
+ protected:
+ typedef _Rope_RopeRep<_CharT, _Alloc> _RopeRep;
// The one from the base class may not be directly visible.
- _Rope_const_iterator(const _RopeRep* __root, size_t __pos):
- _Rope_iterator_base<_CharT,_Alloc>(
- const_cast<_RopeRep*>(__root), __pos)
+ _Rope_const_iterator(const _RopeRep* __root, size_t __pos)
+ : _Rope_iterator_base<_CharT, _Alloc>(const_cast<_RopeRep*>(__root),
+ __pos)
// Only nonconst iterators modify root ref count
- {}
+ {}
public:
- typedef _CharT reference; // Really a value. Returning a reference
- // Would be a mess, since it would have
- // to be included in refcount.
- typedef const _CharT* pointer;
+ typedef _CharT reference; // Really a value. Returning a reference
+ // Would be a mess, since it would have
+ // to be included in refcount.
+ typedef const _CharT* pointer;
- public:
- _Rope_const_iterator() {};
- _Rope_const_iterator(const _Rope_const_iterator& __x) :
- _Rope_iterator_base<_CharT,_Alloc>(__x) { }
- _Rope_const_iterator(const _Rope_iterator<_CharT,_Alloc>& __x);
- _Rope_const_iterator(const rope<_CharT,_Alloc>& __r, size_t __pos) :
- _Rope_iterator_base<_CharT,_Alloc>(__r._M_tree_ptr, __pos) {}
- _Rope_const_iterator& operator= (const _Rope_const_iterator& __x) {
- if (0 != __x._M_buf_ptr) {
- *(static_cast<_Rope_iterator_base<_CharT,_Alloc>*>(this)) = __x;
- } else {
+ public:
+ _Rope_const_iterator() {};
+
+ _Rope_const_iterator(const _Rope_const_iterator& __x)
+ : _Rope_iterator_base<_CharT,_Alloc>(__x) { }
+
+ _Rope_const_iterator(const _Rope_iterator<_CharT,_Alloc>& __x);
+
+ _Rope_const_iterator(const rope<_CharT, _Alloc>& __r, size_t __pos)
+ : _Rope_iterator_base<_CharT,_Alloc>(__r._M_tree_ptr, __pos) { }
+
+ _Rope_const_iterator&
+ operator=(const _Rope_const_iterator& __x)
+ {
+ if (0 != __x._M_buf_ptr)
+ *(static_cast<_Rope_iterator_base<_CharT, _Alloc>*>(this)) = __x;
+ else
+ {
this->_M_current_pos = __x._M_current_pos;
this->_M_root = __x._M_root;
this->_M_buf_ptr = 0;
- }
+ }
return(*this);
- }
- reference operator*() {
- if (0 == this->_M_buf_ptr) _S_setcache(*this);
+ }
+
+ reference
+ operator*()
+ {
+ if (0 == this->_M_buf_ptr)
+ _S_setcache(*this);
return *this->_M_buf_ptr;
- }
- _Rope_const_iterator& operator++() {
+ }
+
+ _Rope_const_iterator&
+ operator++()
+ {
__GC_CONST _CharT* __next;
if (0 != this->_M_buf_ptr
- && (__next = this->_M_buf_ptr + 1) < this->_M_buf_end) {
+ && (__next = this->_M_buf_ptr + 1) < this->_M_buf_end)
+ {
this->_M_buf_ptr = __next;
++this->_M_current_pos;
- } else {
- this->_M_incr(1);
- }
- return *this;
- }
- _Rope_const_iterator& operator+=(ptrdiff_t __n) {
- if (__n >= 0) {
- this->_M_incr(__n);
- } else {
- this->_M_decr(-__n);
- }
- return *this;
- }
- _Rope_const_iterator& operator--() {
+ }
+ else
+ this->_M_incr(1);
+ return *this;
+ }
+
+ _Rope_const_iterator&
+ operator+=(ptrdiff_t __n)
+ {
+ if (__n >= 0)
+ this->_M_incr(__n);
+ else
+ this->_M_decr(-__n);
+ return *this;
+ }
+
+ _Rope_const_iterator&
+ operator--()
+ {
this->_M_decr(1);
return *this;
- }
- _Rope_const_iterator& operator-=(ptrdiff_t __n) {
- if (__n >= 0) {
- this->_M_decr(__n);
- } else {
- this->_M_incr(-__n);
- }
- return *this;
- }
- _Rope_const_iterator operator++(int) {
+ }
+
+ _Rope_const_iterator&
+ operator-=(ptrdiff_t __n)
+ {
+ if (__n >= 0)
+ this->_M_decr(__n);
+ else
+ this->_M_incr(-__n);
+ return *this;
+ }
+
+ _Rope_const_iterator
+ operator++(int)
+ {
size_t __old_pos = this->_M_current_pos;
this->_M_incr(1);
return _Rope_const_iterator<_CharT,_Alloc>(this->_M_root, __old_pos);
// This makes a subsequent dereference expensive.
// Perhaps we should instead copy the iterator
// if it has a valid cache?
- }
- _Rope_const_iterator operator--(int) {
+ }
+
+ _Rope_const_iterator
+ operator--(int)
+ {
size_t __old_pos = this->_M_current_pos;
this->_M_decr(1);
return _Rope_const_iterator<_CharT,_Alloc>(this->_M_root, __old_pos);
- }
- template<class _CharT2, class _Alloc2>
- friend _Rope_const_iterator<_CharT2,_Alloc2> operator-
- (const _Rope_const_iterator<_CharT2,_Alloc2>& __x,
- ptrdiff_t __n);
- template<class _CharT2, class _Alloc2>
- friend _Rope_const_iterator<_CharT2,_Alloc2> operator+
- (const _Rope_const_iterator<_CharT2,_Alloc2>& __x,
- ptrdiff_t __n);
- template<class _CharT2, class _Alloc2>
- friend _Rope_const_iterator<_CharT2,_Alloc2> operator+
- (ptrdiff_t __n,
- const _Rope_const_iterator<_CharT2,_Alloc2>& __x);
- reference operator[](size_t __n) {
- return rope<_CharT,_Alloc>::_S_fetch(this->_M_root,
- this->_M_current_pos + __n);
- }
+ }
+
+ template<class _CharT2, class _Alloc2>
+ friend _Rope_const_iterator<_CharT2, _Alloc2>
+ operator-(const _Rope_const_iterator<_CharT2, _Alloc2>& __x,
+ ptrdiff_t __n);
+
+ template<class _CharT2, class _Alloc2>
+ friend _Rope_const_iterator<_CharT2, _Alloc2>
+ operator+(const _Rope_const_iterator<_CharT2, _Alloc2>& __x,
+ ptrdiff_t __n);
+
+ template<class _CharT2, class _Alloc2>
+ friend _Rope_const_iterator<_CharT2, _Alloc2>
+ operator+(ptrdiff_t __n,
+ const _Rope_const_iterator<_CharT2, _Alloc2>& __x);
+
+ reference
+ operator[](size_t __n)
+ { return rope<_CharT, _Alloc>::_S_fetch(this->_M_root,
+ this->_M_current_pos + __n); }
+
+ template<class _CharT2, class _Alloc2>
+ friend bool
+ operator==(const _Rope_const_iterator<_CharT2, _Alloc2>& __x,
+ const _Rope_const_iterator<_CharT2, _Alloc2>& __y);
+
+ template<class _CharT2, class _Alloc2>
+ friend bool
+ operator<(const _Rope_const_iterator<_CharT2, _Alloc2>& __x,
+ const _Rope_const_iterator<_CharT2, _Alloc2>& __y);
+
+ template<class _CharT2, class _Alloc2>
+ friend ptrdiff_t
+ operator-(const _Rope_const_iterator<_CharT2, _Alloc2>& __x,
+ const _Rope_const_iterator<_CharT2, _Alloc2>& __y);
+ };
- template<class _CharT2, class _Alloc2>
- friend bool operator==
- (const _Rope_const_iterator<_CharT2,_Alloc2>& __x,
- const _Rope_const_iterator<_CharT2,_Alloc2>& __y);
- template<class _CharT2, class _Alloc2>
- friend bool operator<
- (const _Rope_const_iterator<_CharT2,_Alloc2>& __x,
- const _Rope_const_iterator<_CharT2,_Alloc2>& __y);
- template<class _CharT2, class _Alloc2>
- friend ptrdiff_t operator-
- (const _Rope_const_iterator<_CharT2,_Alloc2>& __x,
- const _Rope_const_iterator<_CharT2,_Alloc2>& __y);
-};
-
-template<class _CharT, class _Alloc>
-class _Rope_iterator : public _Rope_iterator_base<_CharT,_Alloc> {
- friend class rope<_CharT,_Alloc>;
- protected:
- typedef typename _Rope_iterator_base<_CharT,_Alloc>::_RopeRep _RopeRep;
- rope<_CharT,_Alloc>* _M_root_rope;
+ template<class _CharT, class _Alloc>
+ class _Rope_iterator
+ : public _Rope_iterator_base<_CharT, _Alloc>
+ {
+ friend class rope<_CharT, _Alloc>;
+ protected:
+ typedef typename _Rope_iterator_base<_CharT, _Alloc>::_RopeRep _RopeRep;
+ rope<_CharT, _Alloc>* _M_root_rope;
// root is treated as a cached version of this,
// and is used to detect changes to the underlying
// rope.
// This is necessary so that we can detect changes reliably.
// Unfortunately, it requires careful bookkeeping for the
// nonGC case.
- _Rope_iterator(rope<_CharT,_Alloc>* __r, size_t __pos)
- : _Rope_iterator_base<_CharT,_Alloc>(__r->_M_tree_ptr, __pos),
+ _Rope_iterator(rope<_CharT, _Alloc>* __r, size_t __pos)
+ : _Rope_iterator_base<_CharT, _Alloc>(__r->_M_tree_ptr, __pos),
_M_root_rope(__r)
{ _RopeRep::_S_ref(this->_M_root);
- if (!(__r -> empty()))_S_setcache(*this); }
+ if (!(__r -> empty()))
+ _S_setcache(*this);
+ }
- void _M_check();
- public:
- typedef _Rope_char_ref_proxy<_CharT,_Alloc> reference;
- typedef _Rope_char_ref_proxy<_CharT,_Alloc>* pointer;
+ void _M_check();
+ public:
+ typedef _Rope_char_ref_proxy<_CharT, _Alloc> reference;
+ typedef _Rope_char_ref_proxy<_CharT, _Alloc>* pointer;
- public:
- rope<_CharT,_Alloc>& container() { return *_M_root_rope; }
- _Rope_iterator() {
+ public:
+ rope<_CharT, _Alloc>&
+ container()
+ { return *_M_root_rope; }
+
+ _Rope_iterator()
+ {
this->_M_root = 0; // Needed for reference counting.
- };
- _Rope_iterator(const _Rope_iterator& __x) :
- _Rope_iterator_base<_CharT,_Alloc>(__x) {
+ };
+
+ _Rope_iterator(const _Rope_iterator& __x)
+ : _Rope_iterator_base<_CharT, _Alloc>(__x)
+ {
_M_root_rope = __x._M_root_rope;
_RopeRep::_S_ref(this->_M_root);
- }
- _Rope_iterator(rope<_CharT,_Alloc>& __r, size_t __pos);
- ~_Rope_iterator() {
- _RopeRep::_S_unref(this->_M_root);
- }
- _Rope_iterator& operator= (const _Rope_iterator& __x) {
- _RopeRep* __old = this->_M_root;
+ }
+
+ _Rope_iterator(rope<_CharT, _Alloc>& __r, size_t __pos);
+
+ ~_Rope_iterator()
+ { _RopeRep::_S_unref(this->_M_root); }
+ _Rope_iterator&
+ operator=(const _Rope_iterator& __x)
+ {
+ _RopeRep* __old = this->_M_root;
+
_RopeRep::_S_ref(__x._M_root);
- if (0 != __x._M_buf_ptr) {
+ if (0 != __x._M_buf_ptr)
+ {
_M_root_rope = __x._M_root_rope;
- *(static_cast<_Rope_iterator_base<_CharT,_Alloc>*>(this)) = __x;
- } else {
+ *(static_cast<_Rope_iterator_base<_CharT, _Alloc>*>(this)) = __x;
+ }
+ else
+ {
this->_M_current_pos = __x._M_current_pos;
this->_M_root = __x._M_root;
_M_root_rope = __x._M_root_rope;
this->_M_buf_ptr = 0;
- }
+ }
_RopeRep::_S_unref(__old);
return(*this);
- }
- reference operator*() {
+ }
+
+ reference
+ operator*()
+ {
_M_check();
- if (0 == this->_M_buf_ptr) {
- return _Rope_char_ref_proxy<_CharT,_Alloc>(
- _M_root_rope, this->_M_current_pos);
- } else {
- return _Rope_char_ref_proxy<_CharT,_Alloc>(
- _M_root_rope, this->_M_current_pos, *this->_M_buf_ptr);
- }
- }
- _Rope_iterator& operator++() {
+ if (0 == this->_M_buf_ptr)
+ return _Rope_char_ref_proxy<_CharT, _Alloc>(_M_root_rope,
+ this->_M_current_pos);
+ else
+ return _Rope_char_ref_proxy<_CharT, _Alloc>(_M_root_rope,
+ this->_M_current_pos,
+ *this->_M_buf_ptr);
+ }
+
+ _Rope_iterator&
+ operator++()
+ {
this->_M_incr(1);
return *this;
- }
- _Rope_iterator& operator+=(ptrdiff_t __n) {
- if (__n >= 0) {
- this->_M_incr(__n);
- } else {
- this->_M_decr(-__n);
- }
- return *this;
- }
- _Rope_iterator& operator--() {
+ }
+
+ _Rope_iterator&
+ operator+=(ptrdiff_t __n)
+ {
+ if (__n >= 0)
+ this->_M_incr(__n);
+ else
+ this->_M_decr(-__n);
+ return *this;
+ }
+
+ _Rope_iterator&
+ operator--()
+ {
this->_M_decr(1);
return *this;
- }
- _Rope_iterator& operator-=(ptrdiff_t __n) {
- if (__n >= 0) {
- this->_M_decr(__n);
- } else {
- this->_M_incr(-__n);
- }
- return *this;
- }
- _Rope_iterator operator++(int) {
+ }
+
+ _Rope_iterator&
+ operator-=(ptrdiff_t __n)
+ {
+ if (__n >= 0)
+ this->_M_decr(__n);
+ else
+ this->_M_incr(-__n);
+ return *this;
+ }
+
+ _Rope_iterator
+ operator++(int)
+ {
size_t __old_pos = this->_M_current_pos;
this->_M_incr(1);
return _Rope_iterator<_CharT,_Alloc>(_M_root_rope, __old_pos);
- }
- _Rope_iterator operator--(int) {
+ }
+
+ _Rope_iterator
+ operator--(int)
+ {
size_t __old_pos = this->_M_current_pos;
this->_M_decr(1);
return _Rope_iterator<_CharT,_Alloc>(_M_root_rope, __old_pos);
- }
- reference operator[](ptrdiff_t __n) {
- return _Rope_char_ref_proxy<_CharT,_Alloc>(
- _M_root_rope, this->_M_current_pos + __n);
- }
+ }
- template<class _CharT2, class _Alloc2>
- friend bool operator==
- (const _Rope_iterator<_CharT2,_Alloc2>& __x,
- const _Rope_iterator<_CharT2,_Alloc2>& __y);
- template<class _CharT2, class _Alloc2>
- friend bool operator<
- (const _Rope_iterator<_CharT2,_Alloc2>& __x,
- const _Rope_iterator<_CharT2,_Alloc2>& __y);
- template<class _CharT2, class _Alloc2>
- friend ptrdiff_t operator-
- (const _Rope_iterator<_CharT2,_Alloc2>& __x,
- const _Rope_iterator<_CharT2,_Alloc2>& __y);
- template<class _CharT2, class _Alloc2>
- friend _Rope_iterator<_CharT2,_Alloc2> operator-
- (const _Rope_iterator<_CharT2,_Alloc2>& __x,
- ptrdiff_t __n);
- template<class _CharT2, class _Alloc2>
- friend _Rope_iterator<_CharT2,_Alloc2> operator+
- (const _Rope_iterator<_CharT2,_Alloc2>& __x,
- ptrdiff_t __n);
- template<class _CharT2, class _Alloc2>
- friend _Rope_iterator<_CharT2,_Alloc2> operator+
- (ptrdiff_t __n,
- const _Rope_iterator<_CharT2,_Alloc2>& __x);
-};
-
-
-template <class _CharT, class _Alloc>
-struct _Rope_base
-: public _Alloc
-{
- typedef _Alloc allocator_type;
+ reference
+ operator[](ptrdiff_t __n)
+ { return _Rope_char_ref_proxy<_CharT, _Alloc>(_M_root_rope,
+ this->_M_current_pos
+ + __n); }
+
+ template<class _CharT2, class _Alloc2>
+ friend bool
+ operator==(const _Rope_iterator<_CharT2, _Alloc2>& __x,
+ const _Rope_iterator<_CharT2, _Alloc2>& __y);
+
+ template<class _CharT2, class _Alloc2>
+ friend bool
+ operator<(const _Rope_iterator<_CharT2, _Alloc2>& __x,
+ const _Rope_iterator<_CharT2, _Alloc2>& __y);
+
+ template<class _CharT2, class _Alloc2>
+ friend ptrdiff_t
+ operator-(const _Rope_iterator<_CharT2, _Alloc2>& __x,
+ const _Rope_iterator<_CharT2, _Alloc2>& __y);
+
+ template<class _CharT2, class _Alloc2>
+ friend _Rope_iterator<_CharT2, _Alloc2>
+ operator-(const _Rope_iterator<_CharT2, _Alloc2>& __x, ptrdiff_t __n);
+
+ template<class _CharT2, class _Alloc2>
+ friend _Rope_iterator<_CharT2, _Alloc2>
+ operator+(const _Rope_iterator<_CharT2, _Alloc2>& __x, ptrdiff_t __n);
+
+ template<class _CharT2, class _Alloc2>
+ friend _Rope_iterator<_CharT2, _Alloc2>
+ operator+(ptrdiff_t __n, const _Rope_iterator<_CharT2, _Alloc2>& __x);
+ };
- allocator_type
- get_allocator() const { return *static_cast<const _Alloc*>(this); }
- typedef _Rope_RopeRep<_CharT,_Alloc> _RopeRep;
- // The one in _Base may not be visible due to template rules.
+ template <class _CharT, class _Alloc>
+ struct _Rope_base
+ : public _Alloc
+ {
+ typedef _Alloc allocator_type;
- _Rope_base(_RopeRep* __t, const allocator_type&)
- : _M_tree_ptr(__t) {}
- _Rope_base(const allocator_type&) {}
+ allocator_type
+ get_allocator() const
+ { return *static_cast<const _Alloc*>(this); }
- // The only data member of a rope:
- _RopeRep *_M_tree_ptr;
+ typedef _Rope_RopeRep<_CharT, _Alloc> _RopeRep;
+ // The one in _Base may not be visible due to template rules.
-# define __ROPE_DEFINE_ALLOC(_Tp, __name) \
+ _Rope_base(_RopeRep* __t, const allocator_type&)
+ : _M_tree_ptr(__t) {}
+
+ _Rope_base(const allocator_type&) {}
+
+ // The only data member of a rope:
+ _RopeRep *_M_tree_ptr;
+
+#define __ROPE_DEFINE_ALLOC(_Tp, __name) \
typedef typename \
_Alloc::template rebind<_Tp>::other __name##Alloc; \
static _Tp* __name##_allocate(size_t __n) \
{ return __name##Alloc().allocate(__n); } \
static void __name##_deallocate(_Tp *__p, size_t __n) \
{ __name##Alloc().deallocate(__p, __n); }
- __ROPE_DEFINE_ALLOCS(_Alloc)
-# undef __ROPE_DEFINE_ALLOC
+ __ROPE_DEFINE_ALLOCS(_Alloc)
+#undef __ROPE_DEFINE_ALLOC
+
+ protected:
+ _Rope_base&
+ operator=(const _Rope_base&);
+
+ _Rope_base(const _Rope_base&);
+ };
-protected:
- _Rope_base&
- operator=(const _Rope_base&);
+ /**
+ * This is an SGI extension.
+ * @ingroup SGIextensions
+ * @doctodo
+ */
+ template <class _CharT, class _Alloc>
+ class rope : public _Rope_base<_CharT, _Alloc>
+ {
+ public:
+ typedef _CharT value_type;
+ typedef ptrdiff_t difference_type;
+ typedef size_t size_type;
+ typedef _CharT const_reference;
+ typedef const _CharT* const_pointer;
+ typedef _Rope_iterator<_CharT, _Alloc> iterator;
+ typedef _Rope_const_iterator<_CharT, _Alloc> const_iterator;
+ typedef _Rope_char_ref_proxy<_CharT, _Alloc> reference;
+ typedef _Rope_char_ptr_proxy<_CharT, _Alloc> pointer;
+
+ friend class _Rope_iterator<_CharT, _Alloc>;
+ friend class _Rope_const_iterator<_CharT, _Alloc>;
+ friend struct _Rope_RopeRep<_CharT, _Alloc>;
+ friend class _Rope_iterator_base<_CharT, _Alloc>;
+ friend class _Rope_char_ptr_proxy<_CharT, _Alloc>;
+ friend class _Rope_char_ref_proxy<_CharT, _Alloc>;
+ friend struct _Rope_RopeSubstring<_CharT, _Alloc>;
- _Rope_base(const _Rope_base&);
-};
+ protected:
+ typedef _Rope_base<_CharT, _Alloc> _Base;
+ typedef typename _Base::allocator_type allocator_type;
+ using _Base::_M_tree_ptr;
+ using _Base::get_allocator;
+ typedef __GC_CONST _CharT* _Cstrptr;
+
+ static _CharT _S_empty_c_str[1];
+
+ static bool
+ _S_is0(_CharT __c)
+ { return __c == _S_eos((_CharT*)0); }
+
+ enum { _S_copy_max = 23 };
+ // For strings shorter than _S_copy_max, we copy to
+ // concatenate.
+ typedef _Rope_RopeRep<_CharT, _Alloc> _RopeRep;
+ typedef _Rope_RopeConcatenation<_CharT, _Alloc> _RopeConcatenation;
+ typedef _Rope_RopeLeaf<_CharT, _Alloc> _RopeLeaf;
+ typedef _Rope_RopeFunction<_CharT, _Alloc> _RopeFunction;
+ typedef _Rope_RopeSubstring<_CharT, _Alloc> _RopeSubstring;
-/**
- * This is an SGI extension.
- * @ingroup SGIextensions
- * @doctodo
-*/
-template <class _CharT, class _Alloc>
-class rope : public _Rope_base<_CharT,_Alloc> {
- public:
- typedef _CharT value_type;
- typedef ptrdiff_t difference_type;
- typedef size_t size_type;
- typedef _CharT const_reference;
- typedef const _CharT* const_pointer;
- typedef _Rope_iterator<_CharT,_Alloc> iterator;
- typedef _Rope_const_iterator<_CharT,_Alloc> const_iterator;
- typedef _Rope_char_ref_proxy<_CharT,_Alloc> reference;
- typedef _Rope_char_ptr_proxy<_CharT,_Alloc> pointer;
-
- friend class _Rope_iterator<_CharT,_Alloc>;
- friend class _Rope_const_iterator<_CharT,_Alloc>;
- friend struct _Rope_RopeRep<_CharT,_Alloc>;
- friend class _Rope_iterator_base<_CharT,_Alloc>;
- friend class _Rope_char_ptr_proxy<_CharT,_Alloc>;
- friend class _Rope_char_ref_proxy<_CharT,_Alloc>;
- friend struct _Rope_RopeSubstring<_CharT,_Alloc>;
+ // Retrieve a character at the indicated position.
+ static _CharT _S_fetch(_RopeRep* __r, size_type __pos);
- protected:
- typedef _Rope_base<_CharT,_Alloc> _Base;
- typedef typename _Base::allocator_type allocator_type;
- using _Base::_M_tree_ptr;
- using _Base::get_allocator;
- typedef __GC_CONST _CharT* _Cstrptr;
+#ifndef __GC
+ // Obtain a pointer to the character at the indicated position.
+ // The pointer can be used to change the character.
+ // If such a pointer cannot be produced, as is frequently the
+ // case, 0 is returned instead.
+ // (Returns nonzero only if all nodes in the path have a refcount
+ // of 1.)
+ static _CharT* _S_fetch_ptr(_RopeRep* __r, size_type __pos);
+#endif
- static _CharT _S_empty_c_str[1];
+ static bool
+ _S_apply_to_pieces(// should be template parameter
+ _Rope_char_consumer<_CharT>& __c,
+ const _RopeRep* __r,
+ size_t __begin, size_t __end);
+ // begin and end are assumed to be in range.
- static bool _S_is0(_CharT __c) { return __c == _S_eos((_CharT*)0); }
- enum { _S_copy_max = 23 };
- // For strings shorter than _S_copy_max, we copy to
- // concatenate.
+#ifndef __GC
+ static void
+ _S_unref(_RopeRep* __t)
+ { _RopeRep::_S_unref(__t); }
+
+ static void
+ _S_ref(_RopeRep* __t)
+ { _RopeRep::_S_ref(__t); }
+
+#else /* __GC */
+ static void _S_unref(_RopeRep*) {}
+ static void _S_ref(_RopeRep*) {}
+#endif
- typedef _Rope_RopeRep<_CharT,_Alloc> _RopeRep;
- typedef _Rope_RopeConcatenation<_CharT,_Alloc> _RopeConcatenation;
- typedef _Rope_RopeLeaf<_CharT,_Alloc> _RopeLeaf;
- typedef _Rope_RopeFunction<_CharT,_Alloc> _RopeFunction;
- typedef _Rope_RopeSubstring<_CharT,_Alloc> _RopeSubstring;
-
- // Retrieve a character at the indicated position.
- static _CharT _S_fetch(_RopeRep* __r, size_type __pos);
-
-# ifndef __GC
- // Obtain a pointer to the character at the indicated position.
- // The pointer can be used to change the character.
- // If such a pointer cannot be produced, as is frequently the
- // case, 0 is returned instead.
- // (Returns nonzero only if all nodes in the path have a refcount
- // of 1.)
- static _CharT* _S_fetch_ptr(_RopeRep* __r, size_type __pos);
-# endif
-
- static bool _S_apply_to_pieces(
- // should be template parameter
- _Rope_char_consumer<_CharT>& __c,
- const _RopeRep* __r,
- size_t __begin, size_t __end);
- // begin and end are assumed to be in range.
-
-# ifndef __GC
- static void _S_unref(_RopeRep* __t)
- {
- _RopeRep::_S_unref(__t);
- }
- static void _S_ref(_RopeRep* __t)
- {
- _RopeRep::_S_ref(__t);
- }
-# else /* __GC */
- static void _S_unref(_RopeRep*) {}
- static void _S_ref(_RopeRep*) {}
-# endif
-
-
-# ifdef __GC
- typedef _Rope_RopeRep<_CharT,_Alloc>* _Self_destruct_ptr;
-# else
- typedef _Rope_self_destruct_ptr<_CharT,_Alloc> _Self_destruct_ptr;
-# endif
-
- // _Result is counted in refcount.
- static _RopeRep* _S_substring(_RopeRep* __base,
+#ifdef __GC
+ typedef _Rope_RopeRep<_CharT, _Alloc>* _Self_destruct_ptr;
+#else
+ typedef _Rope_self_destruct_ptr<_CharT, _Alloc> _Self_destruct_ptr;
+#endif
+
+ // _Result is counted in refcount.
+ static _RopeRep* _S_substring(_RopeRep* __base,
size_t __start, size_t __endp1);
- static _RopeRep* _S_concat_char_iter(_RopeRep* __r,
- const _CharT* __iter, size_t __slen);
- // Concatenate rope and char ptr, copying __s.
- // Should really take an arbitrary iterator.
- // Result is counted in refcount.
- static _RopeRep* _S_destr_concat_char_iter(_RopeRep* __r,
- const _CharT* __iter, size_t __slen)
- // As above, but one reference to __r is about to be
- // destroyed. Thus the pieces may be recycled if all
- // relevant reference counts are 1.
-# ifdef __GC
- // We can't really do anything since refcounts are unavailable.
- { return _S_concat_char_iter(__r, __iter, __slen); }
-# else
- ;
-# endif
-
- static _RopeRep* _S_concat(_RopeRep* __left, _RopeRep* __right);
- // General concatenation on _RopeRep. _Result
- // has refcount of 1. Adjusts argument refcounts.
+ static _RopeRep* _S_concat_char_iter(_RopeRep* __r,
+ const _CharT* __iter, size_t __slen);
+ // Concatenate rope and char ptr, copying __s.
+ // Should really take an arbitrary iterator.
+ // Result is counted in refcount.
+ static _RopeRep* _S_destr_concat_char_iter(_RopeRep* __r,
+ const _CharT* __iter,
+ size_t __slen)
+ // As above, but one reference to __r is about to be
+ // destroyed. Thus the pieces may be recycled if all
+ // relevant reference counts are 1.
+#ifdef __GC
+ // We can't really do anything since refcounts are unavailable.
+ { return _S_concat_char_iter(__r, __iter, __slen); }
+#else
+ ;
+#endif
- public:
- void apply_to_pieces( size_t __begin, size_t __end,
- _Rope_char_consumer<_CharT>& __c) const {
- _S_apply_to_pieces(__c, this->_M_tree_ptr, __begin, __end);
- }
+ static _RopeRep* _S_concat(_RopeRep* __left, _RopeRep* __right);
+ // General concatenation on _RopeRep. _Result
+ // has refcount of 1. Adjusts argument refcounts.
+ public:
+ void
+ apply_to_pieces(size_t __begin, size_t __end,
+ _Rope_char_consumer<_CharT>& __c) const
+ { _S_apply_to_pieces(__c, this->_M_tree_ptr, __begin, __end); }
protected:
- static size_t _S_rounded_up_size(size_t __n) {
- return _RopeLeaf::_S_rounded_up_size(__n);
- }
-
- static size_t _S_allocated_capacity(size_t __n) {
- if (_S_is_basic_char_type((_CharT*)0)) {
- return _S_rounded_up_size(__n) - 1;
- } else {
- return _S_rounded_up_size(__n);
- }
- }
-
- // Allocate and construct a RopeLeaf using the supplied allocator
- // Takes ownership of s instead of copying.
- static _RopeLeaf* _S_new_RopeLeaf(__GC_CONST _CharT *__s,
- size_t __size, allocator_type __a)
- {
- _RopeLeaf* __space = typename _Base::_LAlloc(__a).allocate(1);
- return new(__space) _RopeLeaf(__s, __size, __a);
- }
-
- static _RopeConcatenation* _S_new_RopeConcatenation(
- _RopeRep* __left, _RopeRep* __right,
- allocator_type __a)
- {
- _RopeConcatenation* __space = typename _Base::_CAlloc(__a).allocate(1);
- return new(__space) _RopeConcatenation(__left, __right, __a);
- }
-
- static _RopeFunction* _S_new_RopeFunction(char_producer<_CharT>* __f,
- size_t __size, bool __d, allocator_type __a)
- {
- _RopeFunction* __space = typename _Base::_FAlloc(__a).allocate(1);
- return new(__space) _RopeFunction(__f, __size, __d, __a);
- }
-
- static _RopeSubstring* _S_new_RopeSubstring(
- _Rope_RopeRep<_CharT,_Alloc>* __b, size_t __s,
- size_t __l, allocator_type __a)
- {
- _RopeSubstring* __space = typename _Base::_SAlloc(__a).allocate(1);
- return new(__space) _RopeSubstring(__b, __s, __l, __a);
- }
-
- static
- _RopeLeaf* _S_RopeLeaf_from_unowned_char_ptr(const _CharT *__s,
- size_t __size, allocator_type __a)
-# define __STL_ROPE_FROM_UNOWNED_CHAR_PTR(__s, __size, __a) \
+ static size_t
+ _S_rounded_up_size(size_t __n)
+ { return _RopeLeaf::_S_rounded_up_size(__n); }
+
+ static size_t
+ _S_allocated_capacity(size_t __n)
+ {
+ if (_S_is_basic_char_type((_CharT*)0))
+ return _S_rounded_up_size(__n) - 1;
+ else
+ return _S_rounded_up_size(__n);
+
+ }
+
+ // Allocate and construct a RopeLeaf using the supplied allocator
+ // Takes ownership of s instead of copying.
+ static _RopeLeaf*
+ _S_new_RopeLeaf(__GC_CONST _CharT *__s,
+ size_t __size, allocator_type __a)
+ {
+ _RopeLeaf* __space = typename _Base::_LAlloc(__a).allocate(1);
+ return new(__space) _RopeLeaf(__s, __size, __a);
+ }
+
+ static _RopeConcatenation*
+ _S_new_RopeConcatenation(_RopeRep* __left, _RopeRep* __right,
+ allocator_type __a)
+ {
+ _RopeConcatenation* __space = typename _Base::_CAlloc(__a).allocate(1);
+ return new(__space) _RopeConcatenation(__left, __right, __a);
+ }
+
+ static _RopeFunction*
+ _S_new_RopeFunction(char_producer<_CharT>* __f,
+ size_t __size, bool __d, allocator_type __a)
+ {
+ _RopeFunction* __space = typename _Base::_FAlloc(__a).allocate(1);
+ return new(__space) _RopeFunction(__f, __size, __d, __a);
+ }
+
+ static _RopeSubstring*
+ _S_new_RopeSubstring(_Rope_RopeRep<_CharT,_Alloc>* __b, size_t __s,
+ size_t __l, allocator_type __a)
+ {
+ _RopeSubstring* __space = typename _Base::_SAlloc(__a).allocate(1);
+ return new(__space) _RopeSubstring(__b, __s, __l, __a);
+ }
+
+ static _RopeLeaf*
+ _S_RopeLeaf_from_unowned_char_ptr(const _CharT *__s,
+ size_t __size, allocator_type __a)
+#define __STL_ROPE_FROM_UNOWNED_CHAR_PTR(__s, __size, __a) \
_S_RopeLeaf_from_unowned_char_ptr(__s, __size, __a)
- {
- if (0 == __size) return 0;
- _CharT* __buf = __a.allocate(_S_rounded_up_size(__size));
-
- uninitialized_copy_n(__s, __size, __buf);
- _S_cond_store_eos(__buf[__size]);
- try {
- return _S_new_RopeLeaf(__buf, __size, __a);
- }
- catch(...)
- {
- _RopeRep::__STL_FREE_STRING(__buf, __size, __a);
- __throw_exception_again;
- }
- }
-
-
- // Concatenation of nonempty strings.
- // Always builds a concatenation node.
- // Rebalances if the result is too deep.
- // Result has refcount 1.
- // Does not increment left and right ref counts even though
- // they are referenced.
- static _RopeRep*
- _S_tree_concat(_RopeRep* __left, _RopeRep* __right);
-
- // Concatenation helper functions
- static _RopeLeaf*
- _S_leaf_concat_char_iter(_RopeLeaf* __r,
- const _CharT* __iter, size_t __slen);
- // Concatenate by copying leaf.
- // should take an arbitrary iterator
- // result has refcount 1.
-# ifndef __GC
- static _RopeLeaf* _S_destr_leaf_concat_char_iter
- (_RopeLeaf* __r, const _CharT* __iter, size_t __slen);
- // A version that potentially clobbers __r if __r->_M_ref_count == 1.
-# endif
-
- private:
-
- static size_t _S_char_ptr_len(const _CharT* __s);
- // slightly generalized strlen
-
- rope(_RopeRep* __t, const allocator_type& __a = allocator_type())
- : _Base(__t,__a) { }
-
-
- // Copy __r to the _CharT buffer.
- // Returns __buffer + __r->_M_size.
- // Assumes that buffer is uninitialized.
- static _CharT* _S_flatten(_RopeRep* __r, _CharT* __buffer);
-
- // Again, with explicit starting position and length.
- // Assumes that buffer is uninitialized.
- static _CharT* _S_flatten(_RopeRep* __r,
- size_t __start, size_t __len,
- _CharT* __buffer);
-
- static const unsigned long
- _S_min_len[_Rope_constants::_S_max_rope_depth + 1];
-
- static bool _S_is_balanced(_RopeRep* __r)
- { return (__r->_M_size >= _S_min_len[__r->_M_depth]); }
-
- static bool _S_is_almost_balanced(_RopeRep* __r)
- { return (__r->_M_depth == 0 ||
- __r->_M_size >= _S_min_len[__r->_M_depth - 1]); }
-
- static bool _S_is_roughly_balanced(_RopeRep* __r)
- { return (__r->_M_depth <= 1 ||
- __r->_M_size >= _S_min_len[__r->_M_depth - 2]); }
-
- // Assumes the result is not empty.
- static _RopeRep* _S_concat_and_set_balanced(_RopeRep* __left,
- _RopeRep* __right)
- {
- _RopeRep* __result = _S_concat(__left, __right);
- if (_S_is_balanced(__result)) __result->_M_is_balanced = true;
- return __result;
- }
-
- // The basic rebalancing operation. Logically copies the
- // rope. The result has refcount of 1. The client will
- // usually decrement the reference count of __r.
- // The result is within height 2 of balanced by the above
- // definition.
- static _RopeRep* _S_balance(_RopeRep* __r);
-
- // Add all unbalanced subtrees to the forest of balanceed trees.
- // Used only by balance.
- static void _S_add_to_forest(_RopeRep*__r, _RopeRep** __forest);
-
- // Add __r to forest, assuming __r is already balanced.
- static void _S_add_leaf_to_forest(_RopeRep* __r, _RopeRep** __forest);
-
- // Print to stdout, exposing structure
- static void _S_dump(_RopeRep* __r, int __indent = 0);
-
- // Return -1, 0, or 1 if __x < __y, __x == __y, or __x > __y resp.
- static int _S_compare(const _RopeRep* __x, const _RopeRep* __y);
+ {
+ if (0 == __size)
+ return 0;
+ _CharT* __buf = __a.allocate(_S_rounded_up_size(__size));
+
+ uninitialized_copy_n(__s, __size, __buf);
+ _S_cond_store_eos(__buf[__size]);
+ try
+ { return _S_new_RopeLeaf(__buf, __size, __a); }
+ catch(...)
+ {
+ _RopeRep::__STL_FREE_STRING(__buf, __size, __a);
+ __throw_exception_again;
+ }
+ }
- public:
- bool empty() const { return 0 == this->_M_tree_ptr; }
-
- // Comparison member function. This is public only for those
- // clients that need a ternary comparison. Others
- // should use the comparison operators below.
- int compare(const rope& __y) const {
- return _S_compare(this->_M_tree_ptr, __y._M_tree_ptr);
- }
-
- rope(const _CharT* __s, const allocator_type& __a = allocator_type())
- : _Base(__STL_ROPE_FROM_UNOWNED_CHAR_PTR(__s, _S_char_ptr_len(__s),
- __a),__a)
- { }
-
- rope(const _CharT* __s, size_t __len,
- const allocator_type& __a = allocator_type())
- : _Base(__STL_ROPE_FROM_UNOWNED_CHAR_PTR(__s, __len, __a), __a)
- { }
-
- // Should perhaps be templatized with respect to the iterator type
- // and use Sequence_buffer. (It should perhaps use sequence_buffer
- // even now.)
- rope(const _CharT *__s, const _CharT *__e,
- const allocator_type& __a = allocator_type())
- : _Base(__STL_ROPE_FROM_UNOWNED_CHAR_PTR(__s, __e - __s, __a), __a)
- { }
-
- rope(const const_iterator& __s, const const_iterator& __e,
- const allocator_type& __a = allocator_type())
- : _Base(_S_substring(__s._M_root, __s._M_current_pos,
- __e._M_current_pos), __a)
- { }
-
- rope(const iterator& __s, const iterator& __e,
- const allocator_type& __a = allocator_type())
- : _Base(_S_substring(__s._M_root, __s._M_current_pos,
- __e._M_current_pos), __a)
- { }
-
- rope(_CharT __c, const allocator_type& __a = allocator_type())
- : _Base(__a)
- {
- _CharT* __buf = this->_Data_allocate(_S_rounded_up_size(1));
-
- std::_Construct(__buf, __c);
- try {
- this->_M_tree_ptr = _S_new_RopeLeaf(__buf, 1, __a);
- }
- catch(...)
- {
- _RopeRep::__STL_FREE_STRING(__buf, 1, __a);
- __throw_exception_again;
- }
- }
-
- rope(size_t __n, _CharT __c,
- const allocator_type& __a = allocator_type());
-
- rope(const allocator_type& __a = allocator_type())
- : _Base(0, __a) {}
+ // Concatenation of nonempty strings.
+ // Always builds a concatenation node.
+ // Rebalances if the result is too deep.
+ // Result has refcount 1.
+ // Does not increment left and right ref counts even though
+ // they are referenced.
+ static _RopeRep*
+ _S_tree_concat(_RopeRep* __left, _RopeRep* __right);
+
+ // Concatenation helper functions
+ static _RopeLeaf*
+ _S_leaf_concat_char_iter(_RopeLeaf* __r,
+ const _CharT* __iter, size_t __slen);
+ // Concatenate by copying leaf.
+ // should take an arbitrary iterator
+ // result has refcount 1.
+#ifndef __GC
+ static _RopeLeaf*
+ _S_destr_leaf_concat_char_iter(_RopeLeaf* __r,
+ const _CharT* __iter, size_t __slen);
+ // A version that potentially clobbers __r if __r->_M_ref_count == 1.
+#endif
+
+ private:
+
+ static size_t _S_char_ptr_len(const _CharT* __s);
+ // slightly generalized strlen
+
+ rope(_RopeRep* __t, const allocator_type& __a = allocator_type())
+ : _Base(__t, __a) { }
+
+
+ // Copy __r to the _CharT buffer.
+ // Returns __buffer + __r->_M_size.
+ // Assumes that buffer is uninitialized.
+ static _CharT* _S_flatten(_RopeRep* __r, _CharT* __buffer);
+
+ // Again, with explicit starting position and length.
+ // Assumes that buffer is uninitialized.
+ static _CharT* _S_flatten(_RopeRep* __r,
+ size_t __start, size_t __len,
+ _CharT* __buffer);
+
+ static const unsigned long
+ _S_min_len[_Rope_constants::_S_max_rope_depth + 1];
+
+ static bool
+ _S_is_balanced(_RopeRep* __r)
+ { return (__r->_M_size >= _S_min_len[__r->_M_depth]); }
+
+ static bool
+ _S_is_almost_balanced(_RopeRep* __r)
+ { return (__r->_M_depth == 0
+ || __r->_M_size >= _S_min_len[__r->_M_depth - 1]); }
+
+ static bool
+ _S_is_roughly_balanced(_RopeRep* __r)
+ { return (__r->_M_depth <= 1
+ || __r->_M_size >= _S_min_len[__r->_M_depth - 2]); }
+
+ // Assumes the result is not empty.
+ static _RopeRep*
+ _S_concat_and_set_balanced(_RopeRep* __left, _RopeRep* __right)
+ {
+ _RopeRep* __result = _S_concat(__left, __right);
+ if (_S_is_balanced(__result))
+ __result->_M_is_balanced = true;
+ return __result;
+ }
+
+ // The basic rebalancing operation. Logically copies the
+ // rope. The result has refcount of 1. The client will
+ // usually decrement the reference count of __r.
+ // The result is within height 2 of balanced by the above
+ // definition.
+ static _RopeRep* _S_balance(_RopeRep* __r);
+
+ // Add all unbalanced subtrees to the forest of balanceed trees.
+ // Used only by balance.
+ static void _S_add_to_forest(_RopeRep*__r, _RopeRep** __forest);
+
+ // Add __r to forest, assuming __r is already balanced.
+ static void _S_add_leaf_to_forest(_RopeRep* __r, _RopeRep** __forest);
+
+ // Print to stdout, exposing structure
+ static void _S_dump(_RopeRep* __r, int __indent = 0);
+
+ // Return -1, 0, or 1 if __x < __y, __x == __y, or __x > __y resp.
+ static int _S_compare(const _RopeRep* __x, const _RopeRep* __y);
+
+ public:
+ bool
+ empty() const
+ { return 0 == this->_M_tree_ptr; }
+
+ // Comparison member function. This is public only for those
+ // clients that need a ternary comparison. Others
+ // should use the comparison operators below.
+ int
+ compare(const rope& __y) const
+ { return _S_compare(this->_M_tree_ptr, __y._M_tree_ptr); }
+
+ rope(const _CharT* __s, const allocator_type& __a = allocator_type())
+ : _Base(__STL_ROPE_FROM_UNOWNED_CHAR_PTR(__s, _S_char_ptr_len(__s),
+ __a), __a)
+ { }
+
+ rope(const _CharT* __s, size_t __len,
+ const allocator_type& __a = allocator_type())
+ : _Base(__STL_ROPE_FROM_UNOWNED_CHAR_PTR(__s, __len, __a), __a)
+ { }
+
+ // Should perhaps be templatized with respect to the iterator type
+ // and use Sequence_buffer. (It should perhaps use sequence_buffer
+ // even now.)
+ rope(const _CharT *__s, const _CharT *__e,
+ const allocator_type& __a = allocator_type())
+ : _Base(__STL_ROPE_FROM_UNOWNED_CHAR_PTR(__s, __e - __s, __a), __a)
+ { }
+
+ rope(const const_iterator& __s, const const_iterator& __e,
+ const allocator_type& __a = allocator_type())
+ : _Base(_S_substring(__s._M_root, __s._M_current_pos,
+ __e._M_current_pos), __a)
+ { }
+
+ rope(const iterator& __s, const iterator& __e,
+ const allocator_type& __a = allocator_type())
+ : _Base(_S_substring(__s._M_root, __s._M_current_pos,
+ __e._M_current_pos), __a)
+ { }
+
+ rope(_CharT __c, const allocator_type& __a = allocator_type())
+ : _Base(__a)
+ {
+ _CharT* __buf = this->_Data_allocate(_S_rounded_up_size(1));
+
+ std::_Construct(__buf, __c);
+ try
+ { this->_M_tree_ptr = _S_new_RopeLeaf(__buf, 1, __a); }
+ catch(...)
+ {
+ _RopeRep::__STL_FREE_STRING(__buf, 1, __a);
+ __throw_exception_again;
+ }
+ }
+
+ rope(size_t __n, _CharT __c,
+ const allocator_type& __a = allocator_type());
+
+ rope(const allocator_type& __a = allocator_type())
+ : _Base(0, __a) {}
// Construct a rope from a function that can compute its members
- rope(char_producer<_CharT> *__fn, size_t __len, bool __delete_fn,
- const allocator_type& __a = allocator_type())
- : _Base(__a)
- {
- this->_M_tree_ptr = (0 == __len) ?
- 0 : _S_new_RopeFunction(__fn, __len, __delete_fn, __a);
- }
-
- rope(const rope& __x, const allocator_type& __a = allocator_type())
- : _Base(__x._M_tree_ptr, __a)
- {
- _S_ref(this->_M_tree_ptr);
- }
+ rope(char_producer<_CharT> *__fn, size_t __len, bool __delete_fn,
+ const allocator_type& __a = allocator_type())
+ : _Base(__a)
+ {
+ this->_M_tree_ptr = (0 == __len) ?
+ 0 : _S_new_RopeFunction(__fn, __len, __delete_fn, __a);
+ }
+
+ rope(const rope& __x, const allocator_type& __a = allocator_type())
+ : _Base(__x._M_tree_ptr, __a)
+ { _S_ref(this->_M_tree_ptr); }
~rope() throw()
- { _S_unref(this->_M_tree_ptr); }
-
- rope& operator=(const rope& __x)
- {
- _RopeRep* __old = this->_M_tree_ptr;
- this->_M_tree_ptr = __x._M_tree_ptr;
- _S_ref(this->_M_tree_ptr);
- _S_unref(__old);
- return *this;
- }
-
- void clear()
- {
- _S_unref(this->_M_tree_ptr);
- this->_M_tree_ptr = 0;
- }
-
- void push_back(_CharT __x)
- {
- _RopeRep* __old = this->_M_tree_ptr;
- this->_M_tree_ptr
- = _S_destr_concat_char_iter(this->_M_tree_ptr, &__x, 1);
- _S_unref(__old);
- }
-
- void pop_back()
- {
- _RopeRep* __old = this->_M_tree_ptr;
- this->_M_tree_ptr =
- _S_substring(this->_M_tree_ptr,
- 0,
- this->_M_tree_ptr->_M_size - 1);
- _S_unref(__old);
- }
-
- _CharT back() const
- {
- return _S_fetch(this->_M_tree_ptr, this->_M_tree_ptr->_M_size - 1);
- }
-
- void push_front(_CharT __x)
- {
- _RopeRep* __old = this->_M_tree_ptr;
- _RopeRep* __left =
- __STL_ROPE_FROM_UNOWNED_CHAR_PTR(&__x, 1, this->get_allocator());
- try {
- this->_M_tree_ptr = _S_concat(__left, this->_M_tree_ptr);
- _S_unref(__old);
- _S_unref(__left);
- }
- catch(...)
- {
- _S_unref(__left);
- __throw_exception_again;
- }
- }
-
- void pop_front()
- {
- _RopeRep* __old = this->_M_tree_ptr;
- this->_M_tree_ptr
- = _S_substring(this->_M_tree_ptr, 1, this->_M_tree_ptr->_M_size);
- _S_unref(__old);
- }
-
- _CharT front() const
- {
- return _S_fetch(this->_M_tree_ptr, 0);
- }
-
- void balance()
- {
- _RopeRep* __old = this->_M_tree_ptr;
- this->_M_tree_ptr = _S_balance(this->_M_tree_ptr);
- _S_unref(__old);
- }
-
- void copy(_CharT* __buffer) const {
- _Destroy(__buffer, __buffer + size());
- _S_flatten(this->_M_tree_ptr, __buffer);
- }
-
- // This is the copy function from the standard, but
- // with the arguments reordered to make it consistent with the
- // rest of the interface.
- // Note that this guaranteed not to compile if the draft standard
- // order is assumed.
- size_type copy(size_type __pos, size_type __n, _CharT* __buffer) const
- {
- size_t __size = size();
- size_t __len = (__pos + __n > __size? __size - __pos : __n);
-
- _Destroy(__buffer, __buffer + __len);
- _S_flatten(this->_M_tree_ptr, __pos, __len, __buffer);
- return __len;
- }
-
- // Print to stdout, exposing structure. May be useful for
- // performance debugging.
- void dump() {
- _S_dump(this->_M_tree_ptr);
- }
-
- // Convert to 0 terminated string in new allocated memory.
- // Embedded 0s in the input do not terminate the copy.
- const _CharT* c_str() const;
-
- // As above, but lso use the flattened representation as the
- // the new rope representation.
- const _CharT* replace_with_c_str();
-
- // Reclaim memory for the c_str generated flattened string.
- // Intentionally undocumented, since it's hard to say when this
- // is safe for multiple threads.
- void delete_c_str () {
- if (0 == this->_M_tree_ptr) return;
- if (_Rope_constants::_S_leaf == this->_M_tree_ptr->_M_tag &&
- ((_RopeLeaf*)this->_M_tree_ptr)->_M_data ==
- this->_M_tree_ptr->_M_c_string) {
- // Representation shared
- return;
- }
-# ifndef __GC
- this->_M_tree_ptr->_M_free_c_string();
-# endif
- this->_M_tree_ptr->_M_c_string = 0;
- }
-
- _CharT operator[] (size_type __pos) const {
- return _S_fetch(this->_M_tree_ptr, __pos);
- }
-
- _CharT at(size_type __pos) const {
- // if (__pos >= size()) throw out_of_range; // XXX
- return (*this)[__pos];
- }
-
- const_iterator begin() const {
- return(const_iterator(this->_M_tree_ptr, 0));
- }
-
- // An easy way to get a const iterator from a non-const container.
- const_iterator const_begin() const {
- return(const_iterator(this->_M_tree_ptr, 0));
- }
-
- const_iterator end() const {
- return(const_iterator(this->_M_tree_ptr, size()));
- }
-
- const_iterator const_end() const {
- return(const_iterator(this->_M_tree_ptr, size()));
- }
-
- size_type size() const {
- return(0 == this->_M_tree_ptr? 0 : this->_M_tree_ptr->_M_size);
- }
-
- size_type length() const {
- return size();
- }
-
- size_type max_size() const {
- return _S_min_len[_Rope_constants::_S_max_rope_depth - 1] - 1;
- // Guarantees that the result can be sufficirntly
- // balanced. Longer ropes will probably still work,
- // but it's harder to make guarantees.
- }
-
- typedef reverse_iterator<const_iterator> const_reverse_iterator;
-
- const_reverse_iterator rbegin() const {
- return const_reverse_iterator(end());
- }
-
- const_reverse_iterator const_rbegin() const {
- return const_reverse_iterator(end());
- }
-
- const_reverse_iterator rend() const {
- return const_reverse_iterator(begin());
- }
-
- const_reverse_iterator const_rend() const {
- return const_reverse_iterator(begin());
- }
-
- template<class _CharT2, class _Alloc2>
- friend rope<_CharT2,_Alloc2>
- operator+ (const rope<_CharT2,_Alloc2>& __left,
- const rope<_CharT2,_Alloc2>& __right);
-
- template<class _CharT2, class _Alloc2>
- friend rope<_CharT2,_Alloc2>
- operator+ (const rope<_CharT2,_Alloc2>& __left,
- const _CharT2* __right);
-
- template<class _CharT2, class _Alloc2>
- friend rope<_CharT2,_Alloc2>
- operator+ (const rope<_CharT2,_Alloc2>& __left, _CharT2 __right);
+ { _S_unref(this->_M_tree_ptr); }
+
+ rope&
+ operator=(const rope& __x)
+ {
+ _RopeRep* __old = this->_M_tree_ptr;
+ this->_M_tree_ptr = __x._M_tree_ptr;
+ _S_ref(this->_M_tree_ptr);
+ _S_unref(__old);
+ return *this;
+ }
+
+ void
+ clear()
+ {
+ _S_unref(this->_M_tree_ptr);
+ this->_M_tree_ptr = 0;
+ }
+
+ void
+ push_back(_CharT __x)
+ {
+ _RopeRep* __old = this->_M_tree_ptr;
+ this->_M_tree_ptr
+ = _S_destr_concat_char_iter(this->_M_tree_ptr, &__x, 1);
+ _S_unref(__old);
+ }
+
+ void
+ pop_back()
+ {
+ _RopeRep* __old = this->_M_tree_ptr;
+ this->_M_tree_ptr =
+ _S_substring(this->_M_tree_ptr,
+ 0, this->_M_tree_ptr->_M_size - 1);
+ _S_unref(__old);
+ }
+
+ _CharT
+ back() const
+ { return _S_fetch(this->_M_tree_ptr, this->_M_tree_ptr->_M_size - 1); }
+
+ void
+ push_front(_CharT __x)
+ {
+ _RopeRep* __old = this->_M_tree_ptr;
+ _RopeRep* __left =
+ __STL_ROPE_FROM_UNOWNED_CHAR_PTR(&__x, 1, this->get_allocator());
+ try
+ {
+ this->_M_tree_ptr = _S_concat(__left, this->_M_tree_ptr);
+ _S_unref(__old);
+ _S_unref(__left);
+ }
+ catch(...)
+ {
+ _S_unref(__left);
+ __throw_exception_again;
+ }
+ }
+
+ void
+ pop_front()
+ {
+ _RopeRep* __old = this->_M_tree_ptr;
+ this->_M_tree_ptr
+ = _S_substring(this->_M_tree_ptr, 1, this->_M_tree_ptr->_M_size);
+ _S_unref(__old);
+ }
+
+ _CharT
+ front() const
+ { return _S_fetch(this->_M_tree_ptr, 0); }
+
+ void
+ balance()
+ {
+ _RopeRep* __old = this->_M_tree_ptr;
+ this->_M_tree_ptr = _S_balance(this->_M_tree_ptr);
+ _S_unref(__old);
+ }
+
+ void
+ copy(_CharT* __buffer) const
+ {
+ _Destroy(__buffer, __buffer + size());
+ _S_flatten(this->_M_tree_ptr, __buffer);
+ }
+
+ // This is the copy function from the standard, but
+ // with the arguments reordered to make it consistent with the
+ // rest of the interface.
+ // Note that this guaranteed not to compile if the draft standard
+ // order is assumed.
+ size_type
+ copy(size_type __pos, size_type __n, _CharT* __buffer) const
+ {
+ size_t __size = size();
+ size_t __len = (__pos + __n > __size? __size - __pos : __n);
+
+ _Destroy(__buffer, __buffer + __len);
+ _S_flatten(this->_M_tree_ptr, __pos, __len, __buffer);
+ return __len;
+ }
+
+ // Print to stdout, exposing structure. May be useful for
+ // performance debugging.
+ void
+ dump()
+ { _S_dump(this->_M_tree_ptr); }
+
+ // Convert to 0 terminated string in new allocated memory.
+ // Embedded 0s in the input do not terminate the copy.
+ const _CharT* c_str() const;
+
+ // As above, but lso use the flattened representation as the
+ // the new rope representation.
+ const _CharT* replace_with_c_str();
+
+ // Reclaim memory for the c_str generated flattened string.
+ // Intentionally undocumented, since it's hard to say when this
+ // is safe for multiple threads.
+ void
+ delete_c_str ()
+ {
+ if (0 == this->_M_tree_ptr)
+ return;
+ if (_Rope_constants::_S_leaf == this->_M_tree_ptr->_M_tag &&
+ ((_RopeLeaf*)this->_M_tree_ptr)->_M_data ==
+ this->_M_tree_ptr->_M_c_string)
+ {
+ // Representation shared
+ return;
+ }
+#ifndef __GC
+ this->_M_tree_ptr->_M_free_c_string();
+#endif
+ this->_M_tree_ptr->_M_c_string = 0;
+ }
+
+ _CharT
+ operator[] (size_type __pos) const
+ { return _S_fetch(this->_M_tree_ptr, __pos); }
+
+ _CharT
+ at(size_type __pos) const
+ {
+ // if (__pos >= size()) throw out_of_range; // XXX
+ return (*this)[__pos];
+ }
+
+ const_iterator
+ begin() const
+ { return(const_iterator(this->_M_tree_ptr, 0)); }
+
+ // An easy way to get a const iterator from a non-const container.
+ const_iterator
+ const_begin() const
+ { return(const_iterator(this->_M_tree_ptr, 0)); }
+
+ const_iterator
+ end() const
+ { return(const_iterator(this->_M_tree_ptr, size())); }
+
+ const_iterator
+ const_end() const
+ { return(const_iterator(this->_M_tree_ptr, size())); }
+
+ size_type
+ size() const
+ { return(0 == this->_M_tree_ptr? 0 : this->_M_tree_ptr->_M_size); }
+
+ size_type
+ length() const
+ { return size(); }
+
+ size_type
+ max_size() const
+ {
+ return _S_min_len[_Rope_constants::_S_max_rope_depth - 1] - 1;
+ // Guarantees that the result can be sufficirntly
+ // balanced. Longer ropes will probably still work,
+ // but it's harder to make guarantees.
+ }
+
+ typedef reverse_iterator<const_iterator> const_reverse_iterator;
+
+ const_reverse_iterator
+ rbegin() const
+ { return const_reverse_iterator(end()); }
+
+ const_reverse_iterator
+ const_rbegin() const
+ { return const_reverse_iterator(end()); }
+
+ const_reverse_iterator
+ rend() const
+ { return const_reverse_iterator(begin()); }
+
+ const_reverse_iterator
+ const_rend() const
+ { return const_reverse_iterator(begin()); }
+
+ template<class _CharT2, class _Alloc2>
+ friend rope<_CharT2, _Alloc2>
+ operator+(const rope<_CharT2, _Alloc2>& __left,
+ const rope<_CharT2, _Alloc2>& __right);
+
+ template<class _CharT2, class _Alloc2>
+ friend rope<_CharT2, _Alloc2>
+ operator+(const rope<_CharT2, _Alloc2>& __left, const _CharT2* __right);
+
+ template<class _CharT2, class _Alloc2>
+ friend rope<_CharT2, _Alloc2>
+ operator+(const rope<_CharT2, _Alloc2>& __left, _CharT2 __right);
// The symmetric cases are intentionally omitted, since they're presumed
// to be less common, and we don't handle them as well.
// The following should really be templatized.
// The first argument should be an input iterator or
// forward iterator with value_type _CharT.
- rope& append(const _CharT* __iter, size_t __n) {
- _RopeRep* __result =
- _S_destr_concat_char_iter(this->_M_tree_ptr, __iter, __n);
- _S_unref(this->_M_tree_ptr);
- this->_M_tree_ptr = __result;
- return *this;
- }
-
- rope& append(const _CharT* __c_string) {
- size_t __len = _S_char_ptr_len(__c_string);
- append(__c_string, __len);
- return(*this);
- }
-
- rope& append(const _CharT* __s, const _CharT* __e) {
- _RopeRep* __result =
- _S_destr_concat_char_iter(this->_M_tree_ptr, __s, __e - __s);
- _S_unref(this->_M_tree_ptr);
- this->_M_tree_ptr = __result;
- return *this;
- }
-
- rope& append(const_iterator __s, const_iterator __e) {
- _Self_destruct_ptr __appendee(_S_substring(
- __s._M_root, __s._M_current_pos, __e._M_current_pos));
- _RopeRep* __result =
- _S_concat(this->_M_tree_ptr, (_RopeRep*)__appendee);
- _S_unref(this->_M_tree_ptr);
- this->_M_tree_ptr = __result;
- return *this;
- }
-
- rope& append(_CharT __c) {
- _RopeRep* __result =
- _S_destr_concat_char_iter(this->_M_tree_ptr, &__c, 1);
- _S_unref(this->_M_tree_ptr);
- this->_M_tree_ptr = __result;
- return *this;
- }
-
- rope& append() { return append(_CharT()); } // XXX why?
-
- rope& append(const rope& __y) {
- _RopeRep* __result = _S_concat(this->_M_tree_ptr, __y._M_tree_ptr);
- _S_unref(this->_M_tree_ptr);
- this->_M_tree_ptr = __result;
- return *this;
- }
-
- rope& append(size_t __n, _CharT __c) {
- rope<_CharT,_Alloc> __last(__n, __c);
- return append(__last);
- }
-
- void swap(rope& __b) {
- _RopeRep* __tmp = this->_M_tree_ptr;
- this->_M_tree_ptr = __b._M_tree_ptr;
- __b._M_tree_ptr = __tmp;
- }
+ rope&
+ append(const _CharT* __iter, size_t __n)
+ {
+ _RopeRep* __result =
+ _S_destr_concat_char_iter(this->_M_tree_ptr, __iter, __n);
+ _S_unref(this->_M_tree_ptr);
+ this->_M_tree_ptr = __result;
+ return *this;
+ }
+
+ rope&
+ append(const _CharT* __c_string)
+ {
+ size_t __len = _S_char_ptr_len(__c_string);
+ append(__c_string, __len);
+ return(*this);
+ }
+
+ rope&
+ append(const _CharT* __s, const _CharT* __e)
+ {
+ _RopeRep* __result =
+ _S_destr_concat_char_iter(this->_M_tree_ptr, __s, __e - __s);
+ _S_unref(this->_M_tree_ptr);
+ this->_M_tree_ptr = __result;
+ return *this;
+ }
+
+ rope&
+ append(const_iterator __s, const_iterator __e)
+ {
+ _Self_destruct_ptr __appendee(_S_substring(__s._M_root,
+ __s._M_current_pos,
+ __e._M_current_pos));
+ _RopeRep* __result =
+ _S_concat(this->_M_tree_ptr, (_RopeRep*)__appendee);
+ _S_unref(this->_M_tree_ptr);
+ this->_M_tree_ptr = __result;
+ return *this;
+ }
+
+ rope&
+ append(_CharT __c)
+ {
+ _RopeRep* __result =
+ _S_destr_concat_char_iter(this->_M_tree_ptr, &__c, 1);
+ _S_unref(this->_M_tree_ptr);
+ this->_M_tree_ptr = __result;
+ return *this;
+ }
+
+ rope&
+ append()
+ { return append(_CharT()); } // XXX why?
+
+ rope&
+ append(const rope& __y)
+ {
+ _RopeRep* __result = _S_concat(this->_M_tree_ptr, __y._M_tree_ptr);
+ _S_unref(this->_M_tree_ptr);
+ this->_M_tree_ptr = __result;
+ return *this;
+ }
+ rope&
+ append(size_t __n, _CharT __c)
+ {
+ rope<_CharT,_Alloc> __last(__n, __c);
+ return append(__last);
+ }
+
+ void
+ swap(rope& __b)
+ {
+ _RopeRep* __tmp = this->_M_tree_ptr;
+ this->_M_tree_ptr = __b._M_tree_ptr;
+ __b._M_tree_ptr = __tmp;
+ }
protected:
- // Result is included in refcount.
- static _RopeRep* replace(_RopeRep* __old, size_t __pos1,
- size_t __pos2, _RopeRep* __r) {
- if (0 == __old) { _S_ref(__r); return __r; }
- _Self_destruct_ptr __left(
- _S_substring(__old, 0, __pos1));
- _Self_destruct_ptr __right(
- _S_substring(__old, __pos2, __old->_M_size));
- _RopeRep* __result;
-
- if (0 == __r) {
- __result = _S_concat(__left, __right);
- } else {
- _Self_destruct_ptr __left_result(_S_concat(__left, __r));
- __result = _S_concat(__left_result, __right);
- }
- return __result;
- }
+ // Result is included in refcount.
+ static _RopeRep*
+ replace(_RopeRep* __old, size_t __pos1,
+ size_t __pos2, _RopeRep* __r)
+ {
+ if (0 == __old)
+ {
+ _S_ref(__r);
+ return __r;
+ }
+ _Self_destruct_ptr __left(_S_substring(__old, 0, __pos1));
+ _Self_destruct_ptr __right(_S_substring(__old, __pos2, __old->_M_size));
+ _RopeRep* __result;
+
+ if (0 == __r)
+ __result = _S_concat(__left, __right);
+ else
+ {
+ _Self_destruct_ptr __left_result(_S_concat(__left, __r));
+ __result = _S_concat(__left_result, __right);
+ }
+ return __result;
+ }
public:
- void insert(size_t __p, const rope& __r) {
- _RopeRep* __result =
- replace(this->_M_tree_ptr, __p, __p, __r._M_tree_ptr);
- _S_unref(this->_M_tree_ptr);
- this->_M_tree_ptr = __result;
- }
-
- void insert(size_t __p, size_t __n, _CharT __c) {
- rope<_CharT,_Alloc> __r(__n,__c);
- insert(__p, __r);
- }
-
- void insert(size_t __p, const _CharT* __i, size_t __n) {
- _Self_destruct_ptr __left(_S_substring(this->_M_tree_ptr, 0, __p));
- _Self_destruct_ptr __right(_S_substring(this->_M_tree_ptr,
- __p, size()));
- _Self_destruct_ptr __left_result(
- _S_concat_char_iter(__left, __i, __n));
- // _S_ destr_concat_char_iter should be safe here.
- // But as it stands it's probably not a win, since __left
- // is likely to have additional references.
- _RopeRep* __result = _S_concat(__left_result, __right);
- _S_unref(this->_M_tree_ptr);
- this->_M_tree_ptr = __result;
- }
-
- void insert(size_t __p, const _CharT* __c_string) {
- insert(__p, __c_string, _S_char_ptr_len(__c_string));
- }
-
- void insert(size_t __p, _CharT __c) {
- insert(__p, &__c, 1);
- }
-
- void insert(size_t __p) {
- _CharT __c = _CharT();
- insert(__p, &__c, 1);
- }
-
- void insert(size_t __p, const _CharT* __i, const _CharT* __j) {
- rope __r(__i, __j);
- insert(__p, __r);
- }
-
- void insert(size_t __p, const const_iterator& __i,
- const const_iterator& __j) {
- rope __r(__i, __j);
- insert(__p, __r);
- }
-
- void insert(size_t __p, const iterator& __i,
- const iterator& __j) {
- rope __r(__i, __j);
- insert(__p, __r);
- }
-
- // (position, length) versions of replace operations:
-
- void replace(size_t __p, size_t __n, const rope& __r) {
- _RopeRep* __result =
- replace(this->_M_tree_ptr, __p, __p + __n, __r._M_tree_ptr);
- _S_unref(this->_M_tree_ptr);
- this->_M_tree_ptr = __result;
- }
-
- void replace(size_t __p, size_t __n,
- const _CharT* __i, size_t __i_len) {
- rope __r(__i, __i_len);
- replace(__p, __n, __r);
- }
-
- void replace(size_t __p, size_t __n, _CharT __c) {
- rope __r(__c);
- replace(__p, __n, __r);
- }
-
- void replace(size_t __p, size_t __n, const _CharT* __c_string) {
- rope __r(__c_string);
- replace(__p, __n, __r);
- }
-
- void replace(size_t __p, size_t __n,
- const _CharT* __i, const _CharT* __j) {
- rope __r(__i, __j);
- replace(__p, __n, __r);
- }
-
- void replace(size_t __p, size_t __n,
- const const_iterator& __i, const const_iterator& __j) {
- rope __r(__i, __j);
- replace(__p, __n, __r);
- }
-
- void replace(size_t __p, size_t __n,
- const iterator& __i, const iterator& __j) {
- rope __r(__i, __j);
- replace(__p, __n, __r);
- }
-
- // Single character variants:
- void replace(size_t __p, _CharT __c) {
- iterator __i(this, __p);
- *__i = __c;
- }
-
- void replace(size_t __p, const rope& __r) {
- replace(__p, 1, __r);
- }
-
- void replace(size_t __p, const _CharT* __i, size_t __i_len) {
- replace(__p, 1, __i, __i_len);
- }
-
- void replace(size_t __p, const _CharT* __c_string) {
- replace(__p, 1, __c_string);
- }
-
- void replace(size_t __p, const _CharT* __i, const _CharT* __j) {
- replace(__p, 1, __i, __j);
- }
-
- void replace(size_t __p, const const_iterator& __i,
- const const_iterator& __j) {
- replace(__p, 1, __i, __j);
- }
-
- void replace(size_t __p, const iterator& __i,
- const iterator& __j) {
- replace(__p, 1, __i, __j);
- }
-
- // Erase, (position, size) variant.
- void erase(size_t __p, size_t __n) {
- _RopeRep* __result = replace(this->_M_tree_ptr, __p, __p + __n, 0);
- _S_unref(this->_M_tree_ptr);
- this->_M_tree_ptr = __result;
- }
-
- // Erase, single character
- void erase(size_t __p) {
- erase(__p, __p + 1);
- }
-
- // Insert, iterator variants.
- iterator insert(const iterator& __p, const rope& __r)
- { insert(__p.index(), __r); return __p; }
- iterator insert(const iterator& __p, size_t __n, _CharT __c)
- { insert(__p.index(), __n, __c); return __p; }
- iterator insert(const iterator& __p, _CharT __c)
- { insert(__p.index(), __c); return __p; }
- iterator insert(const iterator& __p )
- { insert(__p.index()); return __p; }
- iterator insert(const iterator& __p, const _CharT* c_string)
- { insert(__p.index(), c_string); return __p; }
- iterator insert(const iterator& __p, const _CharT* __i, size_t __n)
- { insert(__p.index(), __i, __n); return __p; }
- iterator insert(const iterator& __p, const _CharT* __i,
- const _CharT* __j)
- { insert(__p.index(), __i, __j); return __p; }
- iterator insert(const iterator& __p,
- const const_iterator& __i, const const_iterator& __j)
- { insert(__p.index(), __i, __j); return __p; }
- iterator insert(const iterator& __p,
- const iterator& __i, const iterator& __j)
- { insert(__p.index(), __i, __j); return __p; }
-
- // Replace, range variants.
- void replace(const iterator& __p, const iterator& __q,
- const rope& __r)
- { replace(__p.index(), __q.index() - __p.index(), __r); }
- void replace(const iterator& __p, const iterator& __q, _CharT __c)
- { replace(__p.index(), __q.index() - __p.index(), __c); }
- void replace(const iterator& __p, const iterator& __q,
- const _CharT* __c_string)
- { replace(__p.index(), __q.index() - __p.index(), __c_string); }
- void replace(const iterator& __p, const iterator& __q,
- const _CharT* __i, size_t __n)
- { replace(__p.index(), __q.index() - __p.index(), __i, __n); }
- void replace(const iterator& __p, const iterator& __q,
- const _CharT* __i, const _CharT* __j)
- { replace(__p.index(), __q.index() - __p.index(), __i, __j); }
- void replace(const iterator& __p, const iterator& __q,
- const const_iterator& __i, const const_iterator& __j)
- { replace(__p.index(), __q.index() - __p.index(), __i, __j); }
- void replace(const iterator& __p, const iterator& __q,
- const iterator& __i, const iterator& __j)
- { replace(__p.index(), __q.index() - __p.index(), __i, __j); }
-
- // Replace, iterator variants.
- void replace(const iterator& __p, const rope& __r)
- { replace(__p.index(), __r); }
- void replace(const iterator& __p, _CharT __c)
- { replace(__p.index(), __c); }
- void replace(const iterator& __p, const _CharT* __c_string)
- { replace(__p.index(), __c_string); }
- void replace(const iterator& __p, const _CharT* __i, size_t __n)
- { replace(__p.index(), __i, __n); }
- void replace(const iterator& __p, const _CharT* __i, const _CharT* __j)
- { replace(__p.index(), __i, __j); }
- void replace(const iterator& __p, const_iterator __i,
- const_iterator __j)
- { replace(__p.index(), __i, __j); }
- void replace(const iterator& __p, iterator __i, iterator __j)
- { replace(__p.index(), __i, __j); }
-
- // Iterator and range variants of erase
- iterator erase(const iterator& __p, const iterator& __q) {
- size_t __p_index = __p.index();
- erase(__p_index, __q.index() - __p_index);
- return iterator(this, __p_index);
- }
- iterator erase(const iterator& __p) {
- size_t __p_index = __p.index();
- erase(__p_index, 1);
- return iterator(this, __p_index);
- }
-
- rope substr(size_t __start, size_t __len = 1) const {
- return rope<_CharT,_Alloc>(
- _S_substring(this->_M_tree_ptr,
- __start,
- __start + __len));
- }
-
- rope substr(iterator __start, iterator __end) const {
- return rope<_CharT,_Alloc>(
- _S_substring(this->_M_tree_ptr,
- __start.index(),
- __end.index()));
- }
-
- rope substr(iterator __start) const {
- size_t __pos = __start.index();
- return rope<_CharT,_Alloc>(
- _S_substring(this->_M_tree_ptr, __pos, __pos + 1));
- }
-
- rope substr(const_iterator __start, const_iterator __end) const {
- // This might eventually take advantage of the cache in the
- // iterator.
- return rope<_CharT,_Alloc>(
- _S_substring(this->_M_tree_ptr, __start.index(), __end.index()));
- }
-
- rope<_CharT,_Alloc> substr(const_iterator __start) {
- size_t __pos = __start.index();
- return rope<_CharT,_Alloc>(
- _S_substring(this->_M_tree_ptr, __pos, __pos + 1));
- }
-
- static const size_type npos;
-
- size_type find(_CharT __c, size_type __pos = 0) const;
- size_type find(const _CharT* __s, size_type __pos = 0) const {
- size_type __result_pos;
- const_iterator __result =
- std::search(const_begin() + __pos, const_end(),
- __s, __s + _S_char_ptr_len(__s));
- __result_pos = __result.index();
-# ifndef __STL_OLD_ROPE_SEMANTICS
- if (__result_pos == size()) __result_pos = npos;
-# endif
- return __result_pos;
- }
-
- iterator mutable_begin() {
- return(iterator(this, 0));
- }
-
- iterator mutable_end() {
- return(iterator(this, size()));
- }
-
- typedef reverse_iterator<iterator> reverse_iterator;
-
- reverse_iterator mutable_rbegin() {
- return reverse_iterator(mutable_end());
- }
-
- reverse_iterator mutable_rend() {
- return reverse_iterator(mutable_begin());
- }
-
- reference mutable_reference_at(size_type __pos) {
- return reference(this, __pos);
- }
-
-# ifdef __STD_STUFF
- reference operator[] (size_type __pos) {
- return _char_ref_proxy(this, __pos);
- }
-
- reference at(size_type __pos) {
- // if (__pos >= size()) throw out_of_range; // XXX
- return (*this)[__pos];
- }
-
- void resize(size_type __n, _CharT __c) {}
- void resize(size_type __n) {}
- void reserve(size_type __res_arg = 0) {}
- size_type capacity() const {
- return max_size();
- }
-
- // Stuff below this line is dangerous because it's error prone.
- // I would really like to get rid of it.
- // copy function with funny arg ordering.
- size_type copy(_CharT* __buffer, size_type __n,
- size_type __pos = 0) const {
- return copy(__pos, __n, __buffer);
- }
-
- iterator end() { return mutable_end(); }
-
- iterator begin() { return mutable_begin(); }
-
- reverse_iterator rend() { return mutable_rend(); }
-
- reverse_iterator rbegin() { return mutable_rbegin(); }
-
-# else
-
- const_iterator end() { return const_end(); }
-
- const_iterator begin() { return const_begin(); }
-
- const_reverse_iterator rend() { return const_rend(); }
-
- const_reverse_iterator rbegin() { return const_rbegin(); }
-
-# endif
-
-};
-
-template <class _CharT, class _Alloc>
-const typename rope<_CharT, _Alloc>::size_type rope<_CharT, _Alloc>::npos =
- (size_type)(-1);
-
-template <class _CharT, class _Alloc>
-inline bool operator== (const _Rope_const_iterator<_CharT,_Alloc>& __x,
- const _Rope_const_iterator<_CharT,_Alloc>& __y) {
- return (__x._M_current_pos == __y._M_current_pos &&
- __x._M_root == __y._M_root);
-}
-
-template <class _CharT, class _Alloc>
-inline bool operator< (const _Rope_const_iterator<_CharT,_Alloc>& __x,
- const _Rope_const_iterator<_CharT,_Alloc>& __y) {
- return (__x._M_current_pos < __y._M_current_pos);
-}
-
-template <class _CharT, class _Alloc>
-inline bool operator!= (const _Rope_const_iterator<_CharT,_Alloc>& __x,
- const _Rope_const_iterator<_CharT,_Alloc>& __y) {
- return !(__x == __y);
-}
-
-template <class _CharT, class _Alloc>
-inline bool operator> (const _Rope_const_iterator<_CharT,_Alloc>& __x,
- const _Rope_const_iterator<_CharT,_Alloc>& __y) {
- return __y < __x;
-}
-
-template <class _CharT, class _Alloc>
-inline bool operator<= (const _Rope_const_iterator<_CharT,_Alloc>& __x,
- const _Rope_const_iterator<_CharT,_Alloc>& __y) {
- return !(__y < __x);
-}
-
-template <class _CharT, class _Alloc>
-inline bool operator>= (const _Rope_const_iterator<_CharT,_Alloc>& __x,
- const _Rope_const_iterator<_CharT,_Alloc>& __y) {
- return !(__x < __y);
-}
-
-template <class _CharT, class _Alloc>
-inline ptrdiff_t operator-(const _Rope_const_iterator<_CharT,_Alloc>& __x,
- const _Rope_const_iterator<_CharT,_Alloc>& __y) {
- return (ptrdiff_t)__x._M_current_pos - (ptrdiff_t)__y._M_current_pos;
-}
-
-template <class _CharT, class _Alloc>
-inline _Rope_const_iterator<_CharT,_Alloc>
-operator-(const _Rope_const_iterator<_CharT,_Alloc>& __x, ptrdiff_t __n) {
- return _Rope_const_iterator<_CharT,_Alloc>(
- __x._M_root, __x._M_current_pos - __n);
-}
-
-template <class _CharT, class _Alloc>
-inline _Rope_const_iterator<_CharT,_Alloc>
-operator+(const _Rope_const_iterator<_CharT,_Alloc>& __x, ptrdiff_t __n) {
- return _Rope_const_iterator<_CharT,_Alloc>(
- __x._M_root, __x._M_current_pos + __n);
-}
-
-template <class _CharT, class _Alloc>
-inline _Rope_const_iterator<_CharT,_Alloc>
-operator+(ptrdiff_t __n, const _Rope_const_iterator<_CharT,_Alloc>& __x) {
- return _Rope_const_iterator<_CharT,_Alloc>(
- __x._M_root, __x._M_current_pos + __n);
-}
-
-template <class _CharT, class _Alloc>
-inline bool operator== (const _Rope_iterator<_CharT,_Alloc>& __x,
- const _Rope_iterator<_CharT,_Alloc>& __y) {
- return (__x._M_current_pos == __y._M_current_pos &&
- __x._M_root_rope == __y._M_root_rope);
-}
-
-template <class _CharT, class _Alloc>
-inline bool operator< (const _Rope_iterator<_CharT,_Alloc>& __x,
- const _Rope_iterator<_CharT,_Alloc>& __y) {
- return (__x._M_current_pos < __y._M_current_pos);
-}
-
-template <class _CharT, class _Alloc>
-inline bool operator!= (const _Rope_iterator<_CharT,_Alloc>& __x,
- const _Rope_iterator<_CharT,_Alloc>& __y) {
- return !(__x == __y);
-}
-
-template <class _CharT, class _Alloc>
-inline bool operator> (const _Rope_iterator<_CharT,_Alloc>& __x,
- const _Rope_iterator<_CharT,_Alloc>& __y) {
- return __y < __x;
-}
-
-template <class _CharT, class _Alloc>
-inline bool operator<= (const _Rope_iterator<_CharT,_Alloc>& __x,
- const _Rope_iterator<_CharT,_Alloc>& __y) {
- return !(__y < __x);
-}
-
-template <class _CharT, class _Alloc>
-inline bool operator>= (const _Rope_iterator<_CharT,_Alloc>& __x,
- const _Rope_iterator<_CharT,_Alloc>& __y) {
- return !(__x < __y);
-}
-
-template <class _CharT, class _Alloc>
-inline ptrdiff_t operator-(const _Rope_iterator<_CharT,_Alloc>& __x,
- const _Rope_iterator<_CharT,_Alloc>& __y) {
- return (ptrdiff_t)__x._M_current_pos - (ptrdiff_t)__y._M_current_pos;
-}
-
-template <class _CharT, class _Alloc>
-inline _Rope_iterator<_CharT,_Alloc>
-operator-(const _Rope_iterator<_CharT,_Alloc>& __x,
- ptrdiff_t __n) {
- return _Rope_iterator<_CharT,_Alloc>(
- __x._M_root_rope, __x._M_current_pos - __n);
-}
-
-template <class _CharT, class _Alloc>
-inline _Rope_iterator<_CharT,_Alloc>
-operator+(const _Rope_iterator<_CharT,_Alloc>& __x,
- ptrdiff_t __n) {
- return _Rope_iterator<_CharT,_Alloc>(
- __x._M_root_rope, __x._M_current_pos + __n);
-}
-
-template <class _CharT, class _Alloc>
-inline _Rope_iterator<_CharT,_Alloc>
-operator+(ptrdiff_t __n, const _Rope_iterator<_CharT,_Alloc>& __x) {
- return _Rope_iterator<_CharT,_Alloc>(
- __x._M_root_rope, __x._M_current_pos + __n);
-}
-
-template <class _CharT, class _Alloc>
-inline
-rope<_CharT,_Alloc>
-operator+ (const rope<_CharT,_Alloc>& __left,
- const rope<_CharT,_Alloc>& __right)
-{
- return rope<_CharT,_Alloc>(
- rope<_CharT,_Alloc>::_S_concat(__left._M_tree_ptr, __right._M_tree_ptr));
- // Inlining this should make it possible to keep __left and
- // __right in registers.
-}
-
-template <class _CharT, class _Alloc>
-inline
-rope<_CharT,_Alloc>&
-operator+= (rope<_CharT,_Alloc>& __left,
- const rope<_CharT,_Alloc>& __right)
-{
- __left.append(__right);
- return __left;
-}
-
-template <class _CharT, class _Alloc>
-inline
-rope<_CharT,_Alloc>
-operator+ (const rope<_CharT,_Alloc>& __left,
- const _CharT* __right) {
- size_t __rlen = rope<_CharT,_Alloc>::_S_char_ptr_len(__right);
- return rope<_CharT,_Alloc>(
- rope<_CharT,_Alloc>::_S_concat_char_iter(
- __left._M_tree_ptr, __right, __rlen));
-}
-
-template <class _CharT, class _Alloc>
-inline
-rope<_CharT,_Alloc>&
-operator+= (rope<_CharT,_Alloc>& __left,
- const _CharT* __right) {
- __left.append(__right);
- return __left;
-}
-
-template <class _CharT, class _Alloc>
-inline
-rope<_CharT,_Alloc>
-operator+ (const rope<_CharT,_Alloc>& __left, _CharT __right) {
- return rope<_CharT,_Alloc>(
- rope<_CharT,_Alloc>::_S_concat_char_iter(
- __left._M_tree_ptr, &__right, 1));
-}
-
-template <class _CharT, class _Alloc>
-inline
-rope<_CharT,_Alloc>&
-operator+= (rope<_CharT,_Alloc>& __left, _CharT __right) {
- __left.append(__right);
- return __left;
-}
-
-template <class _CharT, class _Alloc>
-bool
-operator< (const rope<_CharT,_Alloc>& __left,
- const rope<_CharT,_Alloc>& __right) {
- return __left.compare(__right) < 0;
-}
-
-template <class _CharT, class _Alloc>
-bool
-operator== (const rope<_CharT,_Alloc>& __left,
- const rope<_CharT,_Alloc>& __right) {
- return __left.compare(__right) == 0;
-}
-
-template <class _CharT, class _Alloc>
-inline bool operator== (const _Rope_char_ptr_proxy<_CharT,_Alloc>& __x,
- const _Rope_char_ptr_proxy<_CharT,_Alloc>& __y) {
- return (__x._M_pos == __y._M_pos && __x._M_root == __y._M_root);
-}
-
-template <class _CharT, class _Alloc>
-inline bool
-operator!= (const rope<_CharT,_Alloc>& __x, const rope<_CharT,_Alloc>& __y) {
- return !(__x == __y);
-}
-
-template <class _CharT, class _Alloc>
-inline bool
-operator> (const rope<_CharT,_Alloc>& __x, const rope<_CharT,_Alloc>& __y) {
- return __y < __x;
-}
-
-template <class _CharT, class _Alloc>
-inline bool
-operator<= (const rope<_CharT,_Alloc>& __x, const rope<_CharT,_Alloc>& __y) {
- return !(__y < __x);
-}
-
-template <class _CharT, class _Alloc>
-inline bool
-operator>= (const rope<_CharT,_Alloc>& __x, const rope<_CharT,_Alloc>& __y) {
- return !(__x < __y);
-}
-
-template <class _CharT, class _Alloc>
-inline bool operator!= (const _Rope_char_ptr_proxy<_CharT,_Alloc>& __x,
- const _Rope_char_ptr_proxy<_CharT,_Alloc>& __y) {
- return !(__x == __y);
-}
-
-template<class _CharT, class _Traits, class _Alloc>
-std::basic_ostream<_CharT, _Traits>& operator<<
- (std::basic_ostream<_CharT, _Traits>& __o,
- const rope<_CharT, _Alloc>& __r);
-
-typedef rope<char> crope;
-typedef rope<wchar_t> wrope;
-
-inline crope::reference __mutable_reference_at(crope& __c, size_t __i)
-{
- return __c.mutable_reference_at(__i);
-}
+ void
+ insert(size_t __p, const rope& __r)
+ {
+ _RopeRep* __result =
+ replace(this->_M_tree_ptr, __p, __p, __r._M_tree_ptr);
+ _S_unref(this->_M_tree_ptr);
+ this->_M_tree_ptr = __result;
+ }
-inline wrope::reference __mutable_reference_at(wrope& __c, size_t __i)
-{
- return __c.mutable_reference_at(__i);
-}
+ void
+ insert(size_t __p, size_t __n, _CharT __c)
+ {
+ rope<_CharT,_Alloc> __r(__n,__c);
+ insert(__p, __r);
+ }
+
+ void
+ insert(size_t __p, const _CharT* __i, size_t __n)
+ {
+ _Self_destruct_ptr __left(_S_substring(this->_M_tree_ptr, 0, __p));
+ _Self_destruct_ptr __right(_S_substring(this->_M_tree_ptr,
+ __p, size()));
+ _Self_destruct_ptr __left_result(_S_concat_char_iter(__left, __i, __n));
+ // _S_ destr_concat_char_iter should be safe here.
+ // But as it stands it's probably not a win, since __left
+ // is likely to have additional references.
+ _RopeRep* __result = _S_concat(__left_result, __right);
+ _S_unref(this->_M_tree_ptr);
+ this->_M_tree_ptr = __result;
+ }
-template <class _CharT, class _Alloc>
-inline void swap(rope<_CharT,_Alloc>& __x, rope<_CharT,_Alloc>& __y) {
- __x.swap(__y);
-}
+ void
+ insert(size_t __p, const _CharT* __c_string)
+ { insert(__p, __c_string, _S_char_ptr_len(__c_string)); }
-// Hash functions should probably be revisited later:
-template<> struct hash<crope>
-{
- size_t operator()(const crope& __str) const
- {
- size_t __size = __str.size();
+ void
+ insert(size_t __p, _CharT __c)
+ { insert(__p, &__c, 1); }
- if (0 == __size) return 0;
- return 13*__str[0] + 5*__str[__size - 1] + __size;
- }
-};
+ void
+ insert(size_t __p)
+ {
+ _CharT __c = _CharT();
+ insert(__p, &__c, 1);
+ }
+ void
+ insert(size_t __p, const _CharT* __i, const _CharT* __j)
+ {
+ rope __r(__i, __j);
+ insert(__p, __r);
+ }
-template<> struct hash<wrope>
-{
- size_t operator()(const wrope& __str) const
- {
- size_t __size = __str.size();
+ void
+ insert(size_t __p, const const_iterator& __i,
+ const const_iterator& __j)
+ {
+ rope __r(__i, __j);
+ insert(__p, __r);
+ }
- if (0 == __size) return 0;
- return 13*__str[0] + 5*__str[__size - 1] + __size;
- }
-};
+ void
+ insert(size_t __p, const iterator& __i,
+ const iterator& __j)
+ {
+ rope __r(__i, __j);
+ insert(__p, __r);
+ }
+
+ // (position, length) versions of replace operations:
+
+ void
+ replace(size_t __p, size_t __n, const rope& __r)
+ {
+ _RopeRep* __result =
+ replace(this->_M_tree_ptr, __p, __p + __n, __r._M_tree_ptr);
+ _S_unref(this->_M_tree_ptr);
+ this->_M_tree_ptr = __result;
+ }
+
+ void
+ replace(size_t __p, size_t __n,
+ const _CharT* __i, size_t __i_len)
+ {
+ rope __r(__i, __i_len);
+ replace(__p, __n, __r);
+ }
+
+ void
+ replace(size_t __p, size_t __n, _CharT __c)
+ {
+ rope __r(__c);
+ replace(__p, __n, __r);
+ }
+
+ void
+ replace(size_t __p, size_t __n, const _CharT* __c_string)
+ {
+ rope __r(__c_string);
+ replace(__p, __n, __r);
+ }
+
+ void
+ replace(size_t __p, size_t __n,
+ const _CharT* __i, const _CharT* __j)
+ {
+ rope __r(__i, __j);
+ replace(__p, __n, __r);
+ }
+
+ void
+ replace(size_t __p, size_t __n,
+ const const_iterator& __i, const const_iterator& __j)
+ {
+ rope __r(__i, __j);
+ replace(__p, __n, __r);
+ }
+
+ void
+ replace(size_t __p, size_t __n,
+ const iterator& __i, const iterator& __j)
+ {
+ rope __r(__i, __j);
+ replace(__p, __n, __r);
+ }
+
+ // Single character variants:
+ void
+ replace(size_t __p, _CharT __c)
+ {
+ iterator __i(this, __p);
+ *__i = __c;
+ }
+
+ void
+ replace(size_t __p, const rope& __r)
+ { replace(__p, 1, __r); }
+
+ void
+ replace(size_t __p, const _CharT* __i, size_t __i_len)
+ { replace(__p, 1, __i, __i_len); }
+
+ void
+ replace(size_t __p, const _CharT* __c_string)
+ { replace(__p, 1, __c_string); }
+
+ void
+ replace(size_t __p, const _CharT* __i, const _CharT* __j)
+ { replace(__p, 1, __i, __j); }
+
+ void
+ replace(size_t __p, const const_iterator& __i,
+ const const_iterator& __j)
+ { replace(__p, 1, __i, __j); }
+
+ void
+ replace(size_t __p, const iterator& __i,
+ const iterator& __j)
+ { replace(__p, 1, __i, __j); }
+
+ // Erase, (position, size) variant.
+ void
+ erase(size_t __p, size_t __n)
+ {
+ _RopeRep* __result = replace(this->_M_tree_ptr, __p,
+ __p + __n, 0);
+ _S_unref(this->_M_tree_ptr);
+ this->_M_tree_ptr = __result;
+ }
+
+ // Erase, single character
+ void
+ erase(size_t __p)
+ { erase(__p, __p + 1); }
+
+ // Insert, iterator variants.
+ iterator
+ insert(const iterator& __p, const rope& __r)
+ {
+ insert(__p.index(), __r);
+ return __p;
+ }
+
+ iterator
+ insert(const iterator& __p, size_t __n, _CharT __c)
+ {
+ insert(__p.index(), __n, __c);
+ return __p;
+ }
+
+ iterator insert(const iterator& __p, _CharT __c)
+ {
+ insert(__p.index(), __c);
+ return __p;
+ }
+
+ iterator
+ insert(const iterator& __p )
+ {
+ insert(__p.index());
+ return __p;
+ }
+
+ iterator
+ insert(const iterator& __p, const _CharT* c_string)
+ {
+ insert(__p.index(), c_string);
+ return __p;
+ }
+
+ iterator
+ insert(const iterator& __p, const _CharT* __i, size_t __n)
+ {
+ insert(__p.index(), __i, __n);
+ return __p;
+ }
+
+ iterator
+ insert(const iterator& __p, const _CharT* __i,
+ const _CharT* __j)
+ {
+ insert(__p.index(), __i, __j);
+ return __p;
+ }
+
+ iterator
+ insert(const iterator& __p,
+ const const_iterator& __i, const const_iterator& __j)
+ {
+ insert(__p.index(), __i, __j);
+ return __p;
+ }
+
+ iterator
+ insert(const iterator& __p,
+ const iterator& __i, const iterator& __j)
+ {
+ insert(__p.index(), __i, __j);
+ return __p;
+ }
+
+ // Replace, range variants.
+ void
+ replace(const iterator& __p, const iterator& __q, const rope& __r)
+ { replace(__p.index(), __q.index() - __p.index(), __r); }
+
+ void
+ replace(const iterator& __p, const iterator& __q, _CharT __c)
+ { replace(__p.index(), __q.index() - __p.index(), __c); }
+
+ void
+ replace(const iterator& __p, const iterator& __q,
+ const _CharT* __c_string)
+ { replace(__p.index(), __q.index() - __p.index(), __c_string); }
+
+ void
+ replace(const iterator& __p, const iterator& __q,
+ const _CharT* __i, size_t __n)
+ { replace(__p.index(), __q.index() - __p.index(), __i, __n); }
+
+ void
+ replace(const iterator& __p, const iterator& __q,
+ const _CharT* __i, const _CharT* __j)
+ { replace(__p.index(), __q.index() - __p.index(), __i, __j); }
+
+ void
+ replace(const iterator& __p, const iterator& __q,
+ const const_iterator& __i, const const_iterator& __j)
+ { replace(__p.index(), __q.index() - __p.index(), __i, __j); }
+
+ void
+ replace(const iterator& __p, const iterator& __q,
+ const iterator& __i, const iterator& __j)
+ { replace(__p.index(), __q.index() - __p.index(), __i, __j); }
+
+ // Replace, iterator variants.
+ void
+ replace(const iterator& __p, const rope& __r)
+ { replace(__p.index(), __r); }
+
+ void
+ replace(const iterator& __p, _CharT __c)
+ { replace(__p.index(), __c); }
+
+ void
+ replace(const iterator& __p, const _CharT* __c_string)
+ { replace(__p.index(), __c_string); }
+
+ void
+ replace(const iterator& __p, const _CharT* __i, size_t __n)
+ { replace(__p.index(), __i, __n); }
+
+ void
+ replace(const iterator& __p, const _CharT* __i, const _CharT* __j)
+ { replace(__p.index(), __i, __j); }
+
+ void
+ replace(const iterator& __p, const_iterator __i, const_iterator __j)
+ { replace(__p.index(), __i, __j); }
+
+ void
+ replace(const iterator& __p, iterator __i, iterator __j)
+ { replace(__p.index(), __i, __j); }
+
+ // Iterator and range variants of erase
+ iterator
+ erase(const iterator& __p, const iterator& __q)
+ {
+ size_t __p_index = __p.index();
+ erase(__p_index, __q.index() - __p_index);
+ return iterator(this, __p_index);
+ }
+
+ iterator
+ erase(const iterator& __p)
+ {
+ size_t __p_index = __p.index();
+ erase(__p_index, 1);
+ return iterator(this, __p_index);
+ }
+
+ rope
+ substr(size_t __start, size_t __len = 1) const
+ {
+ return rope<_CharT, _Alloc>(_S_substring(this->_M_tree_ptr,
+ __start,
+ __start + __len));
+ }
+
+ rope
+ substr(iterator __start, iterator __end) const
+ {
+ return rope<_CharT, _Alloc>(_S_substring(this->_M_tree_ptr,
+ __start.index(),
+ __end.index()));
+ }
+
+ rope
+ substr(iterator __start) const
+ {
+ size_t __pos = __start.index();
+ return rope<_CharT, _Alloc>(_S_substring(this->_M_tree_ptr,
+ __pos, __pos + 1));
+ }
+
+ rope
+ substr(const_iterator __start, const_iterator __end) const
+ {
+ // This might eventually take advantage of the cache in the
+ // iterator.
+ return rope<_CharT, _Alloc>(_S_substring(this->_M_tree_ptr,
+ __start.index(),
+ __end.index()));
+ }
+
+ rope<_CharT, _Alloc>
+ substr(const_iterator __start)
+ {
+ size_t __pos = __start.index();
+ return rope<_CharT, _Alloc>(_S_substring(this->_M_tree_ptr,
+ __pos, __pos + 1));
+ }
+
+ static const size_type npos;
+
+ size_type find(_CharT __c, size_type __pos = 0) const;
+
+ size_type
+ find(const _CharT* __s, size_type __pos = 0) const
+ {
+ size_type __result_pos;
+ const_iterator __result =
+ std::search(const_begin() + __pos, const_end(),
+ __s, __s + _S_char_ptr_len(__s));
+ __result_pos = __result.index();
+#ifndef __STL_OLD_ROPE_SEMANTICS
+ if (__result_pos == size())
+ __result_pos = npos;
+#endif
+ return __result_pos;
+ }
+
+ iterator
+ mutable_begin()
+ { return(iterator(this, 0)); }
+
+ iterator
+ mutable_end()
+ { return(iterator(this, size())); }
+
+ typedef reverse_iterator<iterator> reverse_iterator;
+
+ reverse_iterator
+ mutable_rbegin()
+ { return reverse_iterator(mutable_end()); }
+
+ reverse_iterator
+ mutable_rend()
+ { return reverse_iterator(mutable_begin()); }
+
+ reference
+ mutable_reference_at(size_type __pos)
+ { return reference(this, __pos); }
+
+#ifdef __STD_STUFF
+ reference
+ operator[] (size_type __pos)
+ { return _char_ref_proxy(this, __pos); }
+
+ reference
+ at(size_type __pos)
+ {
+ // if (__pos >= size()) throw out_of_range; // XXX
+ return (*this)[__pos];
+ }
+
+ void resize(size_type __n, _CharT __c) {}
+ void resize(size_type __n) {}
+ void reserve(size_type __res_arg = 0) {}
+
+ size_type
+ capacity() const
+ { return max_size(); }
+
+ // Stuff below this line is dangerous because it's error prone.
+ // I would really like to get rid of it.
+ // copy function with funny arg ordering.
+ size_type
+ copy(_CharT* __buffer, size_type __n,
+ size_type __pos = 0) const
+ { return copy(__pos, __n, __buffer); }
+
+ iterator
+ end()
+ { return mutable_end(); }
+
+ iterator
+ begin()
+ { return mutable_begin(); }
+
+ reverse_iterator
+ rend()
+ { return mutable_rend(); }
+
+ reverse_iterator
+ rbegin()
+ { return mutable_rbegin(); }
+
+#else
+ const_iterator
+ end()
+ { return const_end(); }
+
+ const_iterator
+ begin()
+ { return const_begin(); }
+
+ const_reverse_iterator
+ rend()
+ { return const_rend(); }
+
+ const_reverse_iterator
+ rbegin()
+ { return const_rbegin(); }
+
+#endif
+ };
+
+ template <class _CharT, class _Alloc>
+ const typename rope<_CharT, _Alloc>::size_type
+ rope<_CharT, _Alloc>::npos = (size_type)(-1);
+
+ template <class _CharT, class _Alloc>
+ inline bool operator==(const _Rope_const_iterator<_CharT, _Alloc>& __x,
+ const _Rope_const_iterator<_CharT, _Alloc>& __y)
+ { return (__x._M_current_pos == __y._M_current_pos
+ && __x._M_root == __y._M_root); }
+
+ template <class _CharT, class _Alloc>
+ inline bool operator<(const _Rope_const_iterator<_CharT, _Alloc>& __x,
+ const _Rope_const_iterator<_CharT, _Alloc>& __y)
+ { return (__x._M_current_pos < __y._M_current_pos); }
+
+ template <class _CharT, class _Alloc>
+ inline bool operator!=(const _Rope_const_iterator<_CharT, _Alloc>& __x,
+ const _Rope_const_iterator<_CharT, _Alloc>& __y)
+ { return !(__x == __y); }
+
+ template <class _CharT, class _Alloc>
+ inline bool operator>(const _Rope_const_iterator<_CharT, _Alloc>& __x,
+ const _Rope_const_iterator<_CharT, _Alloc>& __y)
+ { return __y < __x; }
+
+ template <class _CharT, class _Alloc>
+ inline bool
+ operator<=(const _Rope_const_iterator<_CharT, _Alloc>& __x,
+ const _Rope_const_iterator<_CharT, _Alloc>& __y)
+ { return !(__y < __x); }
+
+ template <class _CharT, class _Alloc>
+ inline bool
+ operator>=(const _Rope_const_iterator<_CharT, _Alloc>& __x,
+ const _Rope_const_iterator<_CharT, _Alloc>& __y)
+ { return !(__x < __y); }
+
+ template <class _CharT, class _Alloc>
+ inline ptrdiff_t
+ operator-(const _Rope_const_iterator<_CharT, _Alloc>& __x,
+ const _Rope_const_iterator<_CharT, _Alloc>& __y)
+ { return (ptrdiff_t)__x._M_current_pos - (ptrdiff_t)__y._M_current_pos; }
+
+ template <class _CharT, class _Alloc>
+ inline _Rope_const_iterator<_CharT, _Alloc>
+ operator-(const _Rope_const_iterator<_CharT, _Alloc>& __x, ptrdiff_t __n)
+ { return _Rope_const_iterator<_CharT, _Alloc>(__x._M_root,
+ __x._M_current_pos - __n); }
+
+ template <class _CharT, class _Alloc>
+ inline _Rope_const_iterator<_CharT, _Alloc>
+ operator+(const _Rope_const_iterator<_CharT, _Alloc>& __x, ptrdiff_t __n)
+ { return _Rope_const_iterator<_CharT, _Alloc>(__x._M_root,
+ __x._M_current_pos + __n); }
+
+ template <class _CharT, class _Alloc>
+ inline _Rope_const_iterator<_CharT, _Alloc>
+ operator+(ptrdiff_t __n, const _Rope_const_iterator<_CharT, _Alloc>& __x)
+ { return _Rope_const_iterator<_CharT, _Alloc>(__x._M_root,
+ __x._M_current_pos + __n); }
+
+ template <class _CharT, class _Alloc>
+ inline bool
+ operator==(const _Rope_iterator<_CharT, _Alloc>& __x,
+ const _Rope_iterator<_CharT, _Alloc>& __y)
+ {return (__x._M_current_pos == __y._M_current_pos
+ && __x._M_root_rope == __y._M_root_rope); }
+
+ template <class _CharT, class _Alloc>
+ inline bool
+ operator<(const _Rope_iterator<_CharT, _Alloc>& __x,
+ const _Rope_iterator<_CharT, _Alloc>& __y)
+ { return (__x._M_current_pos < __y._M_current_pos); }
+
+ template <class _CharT, class _Alloc>
+ inline bool
+ operator!=(const _Rope_iterator<_CharT, _Alloc>& __x,
+ const _Rope_iterator<_CharT, _Alloc>& __y)
+ { return !(__x == __y); }
+
+ template <class _CharT, class _Alloc>
+ inline bool
+ operator>(const _Rope_iterator<_CharT, _Alloc>& __x,
+ const _Rope_iterator<_CharT, _Alloc>& __y)
+ { return __y < __x; }
+
+ template <class _CharT, class _Alloc>
+ inline bool
+ operator<=(const _Rope_iterator<_CharT, _Alloc>& __x,
+ const _Rope_iterator<_CharT, _Alloc>& __y)
+ { return !(__y < __x); }
+
+ template <class _CharT, class _Alloc>
+ inline bool
+ operator>=(const _Rope_iterator<_CharT, _Alloc>& __x,
+ const _Rope_iterator<_CharT, _Alloc>& __y)
+ { return !(__x < __y); }
+
+ template <class _CharT, class _Alloc>
+ inline ptrdiff_t
+ operator-(const _Rope_iterator<_CharT, _Alloc>& __x,
+ const _Rope_iterator<_CharT, _Alloc>& __y)
+ { return ((ptrdiff_t)__x._M_current_pos
+ - (ptrdiff_t)__y._M_current_pos); }
+
+ template <class _CharT, class _Alloc>
+ inline _Rope_iterator<_CharT, _Alloc>
+ operator-(const _Rope_iterator<_CharT, _Alloc>& __x,
+ ptrdiff_t __n)
+ { return _Rope_iterator<_CharT, _Alloc>(__x._M_root_rope,
+ __x._M_current_pos - __n); }
+
+ template <class _CharT, class _Alloc>
+ inline _Rope_iterator<_CharT, _Alloc>
+ operator+(const _Rope_iterator<_CharT, _Alloc>& __x, ptrdiff_t __n)
+ { return _Rope_iterator<_CharT, _Alloc>(__x._M_root_rope,
+ __x._M_current_pos + __n); }
+
+ template <class _CharT, class _Alloc>
+ inline _Rope_iterator<_CharT,_Alloc>
+ operator+(ptrdiff_t __n, const _Rope_iterator<_CharT, _Alloc>& __x)
+ { return _Rope_iterator<_CharT, _Alloc>(__x._M_root_rope,
+ __x._M_current_pos + __n); }
+
+ template <class _CharT, class _Alloc>
+ inline rope<_CharT,_Alloc>
+ operator+(const rope<_CharT, _Alloc>& __left,
+ const rope<_CharT, _Alloc>& __right)
+ {
+ return rope<_CharT, _Alloc>(rope<_CharT, _Alloc>::
+ _S_concat(__left._M_tree_ptr,
+ __right._M_tree_ptr));
+ // Inlining this should make it possible to keep __left and
+ // __right in registers.
+ }
+
+ template <class _CharT, class _Alloc>
+ inline rope<_CharT, _Alloc>&
+ operator+=(rope<_CharT, _Alloc>& __left,
+ const rope<_CharT, _Alloc>& __right)
+ {
+ __left.append(__right);
+ return __left;
+ }
+
+ template <class _CharT, class _Alloc>
+ inline rope<_CharT, _Alloc>
+ operator+(const rope<_CharT, _Alloc>& __left,
+ const _CharT* __right)
+ {
+ size_t __rlen = rope<_CharT,_Alloc>::_S_char_ptr_len(__right);
+ return rope<_CharT, _Alloc>(rope<_CharT, _Alloc>::
+ _S_concat_char_iter(__left._M_tree_ptr,
+ __right, __rlen));
+ }
+
+ template <class _CharT, class _Alloc>
+ inline rope<_CharT, _Alloc>&
+ operator+=(rope<_CharT, _Alloc>& __left,
+ const _CharT* __right)
+ {
+ __left.append(__right);
+ return __left;
+ }
+
+ template <class _CharT, class _Alloc>
+ inline rope<_CharT, _Alloc>
+ operator+(const rope<_CharT, _Alloc>& __left, _CharT __right)
+ {
+ return rope<_CharT, _Alloc>(rope<_CharT, _Alloc>::
+ _S_concat_char_iter(__left._M_tree_ptr,
+ &__right, 1));
+ }
+
+ template <class _CharT, class _Alloc>
+ inline rope<_CharT, _Alloc>&
+ operator+=(rope<_CharT, _Alloc>& __left, _CharT __right)
+ {
+ __left.append(__right);
+ return __left;
+ }
+
+ template <class _CharT, class _Alloc>
+ bool
+ operator<(const rope<_CharT, _Alloc>& __left,
+ const rope<_CharT, _Alloc>& __right)
+ { return __left.compare(__right) < 0; }
+
+ template <class _CharT, class _Alloc>
+ bool
+ operator==(const rope<_CharT, _Alloc>& __left,
+ const rope<_CharT, _Alloc>& __right)
+ { return __left.compare(__right) == 0; }
+
+ template <class _CharT, class _Alloc>
+ inline bool
+ operator==(const _Rope_char_ptr_proxy<_CharT, _Alloc>& __x,
+ const _Rope_char_ptr_proxy<_CharT, _Alloc>& __y)
+ { return (__x._M_pos == __y._M_pos && __x._M_root == __y._M_root); }
+
+ template <class _CharT, class _Alloc>
+ inline bool
+ operator!=(const rope<_CharT, _Alloc>& __x,
+ const rope<_CharT, _Alloc>& __y)
+ { return !(__x == __y); }
+
+ template <class _CharT, class _Alloc>
+ inline bool
+ operator>(const rope<_CharT, _Alloc>& __x,
+ const rope<_CharT, _Alloc>& __y)
+ { return __y < __x; }
+
+ template <class _CharT, class _Alloc>
+ inline bool
+ operator<=(const rope<_CharT, _Alloc>& __x,
+ const rope<_CharT, _Alloc>& __y)
+ { return !(__y < __x); }
+
+ template <class _CharT, class _Alloc>
+ inline bool
+ operator>=(const rope<_CharT, _Alloc>& __x,
+ const rope<_CharT, _Alloc>& __y)
+ { return !(__x < __y); }
+
+ template <class _CharT, class _Alloc>
+ inline bool
+ operator!=(const _Rope_char_ptr_proxy<_CharT, _Alloc>& __x,
+ const _Rope_char_ptr_proxy<_CharT, _Alloc>& __y)
+ { return !(__x == __y); }
+
+ template<class _CharT, class _Traits, class _Alloc>
+ std::basic_ostream<_CharT, _Traits>&
+ operator<<(std::basic_ostream<_CharT, _Traits>& __o,
+ const rope<_CharT, _Alloc>& __r);
+
+ typedef rope<char> crope;
+ typedef rope<wchar_t> wrope;
+
+ inline crope::reference
+ __mutable_reference_at(crope& __c, size_t __i)
+ { return __c.mutable_reference_at(__i); }
+
+ inline wrope::reference
+ __mutable_reference_at(wrope& __c, size_t __i)
+ { return __c.mutable_reference_at(__i); }
+
+ template <class _CharT, class _Alloc>
+ inline void
+ swap(rope<_CharT, _Alloc>& __x, rope<_CharT, _Alloc>& __y)
+ { __x.swap(__y); }
+
+ // Hash functions should probably be revisited later:
+ template<>
+ struct hash<crope>
+ {
+ size_t
+ operator()(const crope& __str) const
+ {
+ size_t __size = __str.size();
+
+ if (0 == __size)
+ return 0;
+ return 13 * __str[0] + 5 * __str[__size - 1] + __size;
+ }
+ };
+
+
+ template<>
+ struct hash<wrope>
+ {
+ size_t
+ operator()(const wrope& __str) const
+ {
+ size_t __size = __str.size();
+
+ if (0 == __size)
+ return 0;
+ return 13 * __str[0] + 5 * __str[__size - 1] + __size;
+ }
+ };
} // namespace __gnu_cxx
using std::_Destroy;
using std::uninitialized_fill_n;
-// Set buf_start, buf_end, and buf_ptr appropriately, filling tmp_buf
-// if necessary. Assumes _M_path_end[leaf_index] and leaf_pos are correct.
-// Results in a valid buf_ptr if the iterator can be legitimately
-// dereferenced.
-template <class _CharT, class _Alloc>
-void _Rope_iterator_base<_CharT,_Alloc>::_S_setbuf(
- _Rope_iterator_base<_CharT,_Alloc>& __x)
-{
- const _RopeRep* __leaf = __x._M_path_end[__x._M_leaf_index];
- size_t __leaf_pos = __x._M_leaf_pos;
- size_t __pos = __x._M_current_pos;
+ // Set buf_start, buf_end, and buf_ptr appropriately, filling tmp_buf
+ // if necessary. Assumes _M_path_end[leaf_index] and leaf_pos are correct.
+ // Results in a valid buf_ptr if the iterator can be legitimately
+ // dereferenced.
+ template <class _CharT, class _Alloc>
+ void
+ _Rope_iterator_base<_CharT, _Alloc>::
+ _S_setbuf(_Rope_iterator_base<_CharT, _Alloc>& __x)
+ {
+ const _RopeRep* __leaf = __x._M_path_end[__x._M_leaf_index];
+ size_t __leaf_pos = __x._M_leaf_pos;
+ size_t __pos = __x._M_current_pos;
- switch(__leaf->_M_tag) {
+ switch(__leaf->_M_tag)
+ {
case _Rope_constants::_S_leaf:
- __x._M_buf_start =
- ((_Rope_RopeLeaf<_CharT,_Alloc>*)__leaf)->_M_data;
- __x._M_buf_ptr = __x._M_buf_start + (__pos - __leaf_pos);
- __x._M_buf_end = __x._M_buf_start + __leaf->_M_size;
- break;
+ __x._M_buf_start = ((_Rope_RopeLeaf<_CharT, _Alloc>*)__leaf)->_M_data;
+ __x._M_buf_ptr = __x._M_buf_start + (__pos - __leaf_pos);
+ __x._M_buf_end = __x._M_buf_start + __leaf->_M_size;
+ break;
case _Rope_constants::_S_function:
case _Rope_constants::_S_substringfn:
- {
- size_t __len = _S_iterator_buf_len;
- size_t __buf_start_pos = __leaf_pos;
- size_t __leaf_end = __leaf_pos + __leaf->_M_size;
- char_producer<_CharT>* __fn =
- ((_Rope_RopeFunction<_CharT,_Alloc>*)__leaf)->_M_fn;
-
- if (__buf_start_pos + __len <= __pos) {
- __buf_start_pos = __pos - __len/4;
- if (__buf_start_pos + __len > __leaf_end) {
- __buf_start_pos = __leaf_end - __len;
- }
- }
- if (__buf_start_pos + __len > __leaf_end) {
- __len = __leaf_end - __buf_start_pos;
- }
- (*__fn)(__buf_start_pos - __leaf_pos, __len, __x._M_tmp_buf);
- __x._M_buf_ptr = __x._M_tmp_buf + (__pos - __buf_start_pos);
- __x._M_buf_start = __x._M_tmp_buf;
- __x._M_buf_end = __x._M_tmp_buf + __len;
- }
- break;
+ {
+ size_t __len = _S_iterator_buf_len;
+ size_t __buf_start_pos = __leaf_pos;
+ size_t __leaf_end = __leaf_pos + __leaf->_M_size;
+ char_producer<_CharT>* __fn = ((_Rope_RopeFunction<_CharT,
+ _Alloc>*)__leaf)->_M_fn;
+ if (__buf_start_pos + __len <= __pos)
+ {
+ __buf_start_pos = __pos - __len / 4;
+ if (__buf_start_pos + __len > __leaf_end)
+ __buf_start_pos = __leaf_end - __len;
+ }
+ if (__buf_start_pos + __len > __leaf_end)
+ __len = __leaf_end - __buf_start_pos;
+ (*__fn)(__buf_start_pos - __leaf_pos, __len, __x._M_tmp_buf);
+ __x._M_buf_ptr = __x._M_tmp_buf + (__pos - __buf_start_pos);
+ __x._M_buf_start = __x._M_tmp_buf;
+ __x._M_buf_end = __x._M_tmp_buf + __len;
+ }
+ break;
default:
break;
+ }
}
-}
-// Set path and buffer inside a rope iterator. We assume that
-// pos and root are already set.
-template <class _CharT, class _Alloc>
-void _Rope_iterator_base<_CharT,_Alloc>::_S_setcache
-(_Rope_iterator_base<_CharT,_Alloc>& __x)
-{
- const _RopeRep* __path[_Rope_constants::_S_max_rope_depth + 1];
- const _RopeRep* __curr_rope;
- int __curr_depth = -1; /* index into path */
- size_t __curr_start_pos = 0;
- size_t __pos = __x._M_current_pos;
- unsigned char __dirns = 0; // Bit vector marking right turns in the path
-
- if (__pos >= __x._M_root->_M_size) {
- __x._M_buf_ptr = 0;
- return;
- }
- __curr_rope = __x._M_root;
- if (0 != __curr_rope->_M_c_string) {
- /* Treat the root as a leaf. */
- __x._M_buf_start = __curr_rope->_M_c_string;
- __x._M_buf_end = __curr_rope->_M_c_string + __curr_rope->_M_size;
- __x._M_buf_ptr = __curr_rope->_M_c_string + __pos;
- __x._M_path_end[0] = __curr_rope;
- __x._M_leaf_index = 0;
- __x._M_leaf_pos = 0;
- return;
- }
- for(;;) {
- ++__curr_depth;
- __path[__curr_depth] = __curr_rope;
- switch(__curr_rope->_M_tag) {
- case _Rope_constants::_S_leaf:
- case _Rope_constants::_S_function:
- case _Rope_constants::_S_substringfn:
- __x._M_leaf_pos = __curr_start_pos;
- goto done;
- case _Rope_constants::_S_concat:
+ // Set path and buffer inside a rope iterator. We assume that
+ // pos and root are already set.
+ template <class _CharT, class _Alloc>
+ void
+ _Rope_iterator_base<_CharT, _Alloc>::
+ _S_setcache(_Rope_iterator_base<_CharT, _Alloc>& __x)
+ {
+ const _RopeRep* __path[_Rope_constants::_S_max_rope_depth + 1];
+ const _RopeRep* __curr_rope;
+ int __curr_depth = -1; /* index into path */
+ size_t __curr_start_pos = 0;
+ size_t __pos = __x._M_current_pos;
+ unsigned char __dirns = 0; // Bit vector marking right turns in the path
+
+ if (__pos >= __x._M_root->_M_size)
+ {
+ __x._M_buf_ptr = 0;
+ return;
+ }
+ __curr_rope = __x._M_root;
+ if (0 != __curr_rope->_M_c_string)
+ {
+ /* Treat the root as a leaf. */
+ __x._M_buf_start = __curr_rope->_M_c_string;
+ __x._M_buf_end = __curr_rope->_M_c_string + __curr_rope->_M_size;
+ __x._M_buf_ptr = __curr_rope->_M_c_string + __pos;
+ __x._M_path_end[0] = __curr_rope;
+ __x._M_leaf_index = 0;
+ __x._M_leaf_pos = 0;
+ return;
+ }
+ for(;;)
+ {
+ ++__curr_depth;
+ __path[__curr_depth] = __curr_rope;
+ switch(__curr_rope->_M_tag)
{
- _Rope_RopeConcatenation<_CharT,_Alloc>* __c =
- (_Rope_RopeConcatenation<_CharT,_Alloc>*)__curr_rope;
+ case _Rope_constants::_S_leaf:
+ case _Rope_constants::_S_function:
+ case _Rope_constants::_S_substringfn:
+ __x._M_leaf_pos = __curr_start_pos;
+ goto done;
+ case _Rope_constants::_S_concat:
+ {
+ _Rope_RopeConcatenation<_CharT, _Alloc>* __c =
+ (_Rope_RopeConcatenation<_CharT, _Alloc>*)__curr_rope;
_RopeRep* __left = __c->_M_left;
size_t __left_len = __left->_M_size;
__dirns <<= 1;
- if (__pos >= __curr_start_pos + __left_len) {
+ if (__pos >= __curr_start_pos + __left_len)
+ {
__dirns |= 1;
__curr_rope = __c->_M_right;
__curr_start_pos += __left_len;
- } else {
- __curr_rope = __left;
- }
+ }
+ else
+ __curr_rope = __left;
+ }
+ break;
}
- break;
}
- }
- done:
- // Copy last section of path into _M_path_end.
+ done:
+ // Copy last section of path into _M_path_end.
{
int __i = -1;
int __j = __curr_depth + 1 - _S_path_cache_len;
if (__j < 0) __j = 0;
- while (__j <= __curr_depth) {
- __x._M_path_end[++__i] = __path[__j++];
- }
+ while (__j <= __curr_depth)
+ __x._M_path_end[++__i] = __path[__j++];
__x._M_leaf_index = __i;
}
__x._M_path_directions = __dirns;
_S_setbuf(__x);
-}
-
-// Specialized version of the above. Assumes that
-// the path cache is valid for the previous position.
-template <class _CharT, class _Alloc>
-void _Rope_iterator_base<_CharT,_Alloc>::_S_setcache_for_incr
-(_Rope_iterator_base<_CharT,_Alloc>& __x)
-{
- int __current_index = __x._M_leaf_index;
- const _RopeRep* __current_node = __x._M_path_end[__current_index];
- size_t __len = __current_node->_M_size;
- size_t __node_start_pos = __x._M_leaf_pos;
- unsigned char __dirns = __x._M_path_directions;
- _Rope_RopeConcatenation<_CharT,_Alloc>* __c;
-
- if (__x._M_current_pos - __node_start_pos < __len) {
- /* More stuff in this leaf, we just didn't cache it. */
- _S_setbuf(__x);
- return;
- }
- // node_start_pos is starting position of last_node.
- while (--__current_index >= 0) {
- if (!(__dirns & 1) /* Path turned left */)
- break;
- __current_node = __x._M_path_end[__current_index];
- __c = (_Rope_RopeConcatenation<_CharT,_Alloc>*)__current_node;
- // Otherwise we were in the right child. Thus we should pop
- // the concatenation node.
- __node_start_pos -= __c->_M_left->_M_size;
- __dirns >>= 1;
- }
- if (__current_index < 0) {
- // We underflowed the cache. Punt.
- _S_setcache(__x);
- return;
}
- __current_node = __x._M_path_end[__current_index];
- __c = (_Rope_RopeConcatenation<_CharT,_Alloc>*)__current_node;
- // current_node is a concatenation node. We are positioned on the first
- // character in its right child.
- // node_start_pos is starting position of current_node.
- __node_start_pos += __c->_M_left->_M_size;
- __current_node = __c->_M_right;
- __x._M_path_end[++__current_index] = __current_node;
- __dirns |= 1;
- while (_Rope_constants::_S_concat == __current_node->_M_tag) {
- ++__current_index;
- if (_S_path_cache_len == __current_index) {
- int __i;
- for (__i = 0; __i < _S_path_cache_len-1; __i++) {
+
+ // Specialized version of the above. Assumes that
+ // the path cache is valid for the previous position.
+ template <class _CharT, class _Alloc>
+ void
+ _Rope_iterator_base<_CharT, _Alloc>::
+ _S_setcache_for_incr(_Rope_iterator_base<_CharT, _Alloc>& __x)
+ {
+ int __current_index = __x._M_leaf_index;
+ const _RopeRep* __current_node = __x._M_path_end[__current_index];
+ size_t __len = __current_node->_M_size;
+ size_t __node_start_pos = __x._M_leaf_pos;
+ unsigned char __dirns = __x._M_path_directions;
+ _Rope_RopeConcatenation<_CharT, _Alloc>* __c;
+
+ if (__x._M_current_pos - __node_start_pos < __len)
+ {
+ /* More stuff in this leaf, we just didn't cache it. */
+ _S_setbuf(__x);
+ return;
+ }
+ // node_start_pos is starting position of last_node.
+ while (--__current_index >= 0)
+ {
+ if (!(__dirns & 1) /* Path turned left */)
+ break;
+ __current_node = __x._M_path_end[__current_index];
+ __c = (_Rope_RopeConcatenation<_CharT, _Alloc>*)__current_node;
+ // Otherwise we were in the right child. Thus we should pop
+ // the concatenation node.
+ __node_start_pos -= __c->_M_left->_M_size;
+ __dirns >>= 1;
+ }
+ if (__current_index < 0)
+ {
+ // We underflowed the cache. Punt.
+ _S_setcache(__x);
+ return;
+ }
+ __current_node = __x._M_path_end[__current_index];
+ __c = (_Rope_RopeConcatenation<_CharT, _Alloc>*)__current_node;
+ // current_node is a concatenation node. We are positioned on the first
+ // character in its right child.
+ // node_start_pos is starting position of current_node.
+ __node_start_pos += __c->_M_left->_M_size;
+ __current_node = __c->_M_right;
+ __x._M_path_end[++__current_index] = __current_node;
+ __dirns |= 1;
+ while (_Rope_constants::_S_concat == __current_node->_M_tag)
+ {
+ ++__current_index;
+ if (_S_path_cache_len == __current_index)
+ {
+ int __i;
+ for (__i = 0; __i < _S_path_cache_len-1; __i++)
__x._M_path_end[__i] = __x._M_path_end[__i+1];
+ --__current_index;
}
- --__current_index;
+ __current_node =
+ ((_Rope_RopeConcatenation<_CharT, _Alloc>*)__current_node)->_M_left;
+ __x._M_path_end[__current_index] = __current_node;
+ __dirns <<= 1;
+ // node_start_pos is unchanged.
}
- __current_node =
- ((_Rope_RopeConcatenation<_CharT,_Alloc>*)__current_node)->_M_left;
- __x._M_path_end[__current_index] = __current_node;
- __dirns <<= 1;
- // node_start_pos is unchanged.
- }
- __x._M_leaf_index = __current_index;
- __x._M_leaf_pos = __node_start_pos;
- __x._M_path_directions = __dirns;
- _S_setbuf(__x);
-}
-
-template <class _CharT, class _Alloc>
-void _Rope_iterator_base<_CharT,_Alloc>::_M_incr(size_t __n) {
- _M_current_pos += __n;
- if (0 != _M_buf_ptr) {
- size_t __chars_left = _M_buf_end - _M_buf_ptr;
- if (__chars_left > __n) {
- _M_buf_ptr += __n;
- } else if (__chars_left == __n) {
- _M_buf_ptr += __n;
- _S_setcache_for_incr(*this);
- } else {
- _M_buf_ptr = 0;
- }
+ __x._M_leaf_index = __current_index;
+ __x._M_leaf_pos = __node_start_pos;
+ __x._M_path_directions = __dirns;
+ _S_setbuf(__x);
}
-}
-
-template <class _CharT, class _Alloc>
-void _Rope_iterator_base<_CharT,_Alloc>::_M_decr(size_t __n) {
- if (0 != _M_buf_ptr) {
- size_t __chars_left = _M_buf_ptr - _M_buf_start;
- if (__chars_left >= __n) {
- _M_buf_ptr -= __n;
- } else {
- _M_buf_ptr = 0;
- }
+
+ template <class _CharT, class _Alloc>
+ void
+ _Rope_iterator_base<_CharT, _Alloc>::
+ _M_incr(size_t __n)
+ {
+ _M_current_pos += __n;
+ if (0 != _M_buf_ptr)
+ {
+ size_t __chars_left = _M_buf_end - _M_buf_ptr;
+ if (__chars_left > __n)
+ _M_buf_ptr += __n;
+ else if (__chars_left == __n)
+ {
+ _M_buf_ptr += __n;
+ _S_setcache_for_incr(*this);
+ }
+ else
+ _M_buf_ptr = 0;
+ }
}
- _M_current_pos -= __n;
-}
-
-template <class _CharT, class _Alloc>
-void _Rope_iterator<_CharT,_Alloc>::_M_check() {
- if (_M_root_rope->_M_tree_ptr != this->_M_root) {
- // _Rope was modified. Get things fixed up.
- _RopeRep::_S_unref(this->_M_root);
- this->_M_root = _M_root_rope->_M_tree_ptr;
- _RopeRep::_S_ref(this->_M_root);
- this->_M_buf_ptr = 0;
+
+ template <class _CharT, class _Alloc>
+ void
+ _Rope_iterator_base<_CharT, _Alloc>::
+ _M_decr(size_t __n)
+ {
+ if (0 != _M_buf_ptr)
+ {
+ size_t __chars_left = _M_buf_ptr - _M_buf_start;
+ if (__chars_left >= __n)
+ _M_buf_ptr -= __n;
+ else
+ _M_buf_ptr = 0;
+ }
+ _M_current_pos -= __n;
}
-}
-
-template <class _CharT, class _Alloc>
-inline
-_Rope_const_iterator<_CharT, _Alloc>::_Rope_const_iterator(
- const _Rope_iterator<_CharT,_Alloc>& __x)
-: _Rope_iterator_base<_CharT,_Alloc>(__x)
-{ }
-
-template <class _CharT, class _Alloc>
-inline _Rope_iterator<_CharT,_Alloc>::_Rope_iterator(
- rope<_CharT,_Alloc>& __r, size_t __pos)
-: _Rope_iterator_base<_CharT,_Alloc>(__r._M_tree_ptr, __pos),
- _M_root_rope(&__r)
-{
- _RopeRep::_S_ref(this->_M_root);
-}
-template <class _CharT, class _Alloc>
-inline size_t
-rope<_CharT,_Alloc>::_S_char_ptr_len(const _CharT* __s)
-{
- const _CharT* __p = __s;
+ template <class _CharT, class _Alloc>
+ void
+ _Rope_iterator<_CharT, _Alloc>::
+ _M_check()
+ {
+ if (_M_root_rope->_M_tree_ptr != this->_M_root)
+ {
+ // _Rope was modified. Get things fixed up.
+ _RopeRep::_S_unref(this->_M_root);
+ this->_M_root = _M_root_rope->_M_tree_ptr;
+ _RopeRep::_S_ref(this->_M_root);
+ this->_M_buf_ptr = 0;
+ }
+ }
- while (!_S_is0(*__p)) { ++__p; }
- return (__p - __s);
-}
+ template <class _CharT, class _Alloc>
+ inline
+ _Rope_const_iterator<_CharT, _Alloc>::
+ _Rope_const_iterator(const _Rope_iterator<_CharT, _Alloc>& __x)
+ : _Rope_iterator_base<_CharT, _Alloc>(__x)
+ { }
+
+ template <class _CharT, class _Alloc>
+ inline
+ _Rope_iterator<_CharT, _Alloc>::
+ _Rope_iterator(rope<_CharT, _Alloc>& __r, size_t __pos)
+ : _Rope_iterator_base<_CharT,_Alloc>(__r._M_tree_ptr, __pos),
+ _M_root_rope(&__r)
+ { _RopeRep::_S_ref(this->_M_root); }
+
+ template <class _CharT, class _Alloc>
+ inline size_t
+ rope<_CharT, _Alloc>::
+ _S_char_ptr_len(const _CharT* __s)
+ {
+ const _CharT* __p = __s;
+
+ while (!_S_is0(*__p))
+ ++__p;
+ return (__p - __s);
+ }
#ifndef __GC
-template <class _CharT, class _Alloc>
-inline void _Rope_RopeRep<_CharT,_Alloc>::_M_free_c_string()
-{
- _CharT* __cstr = _M_c_string;
- if (0 != __cstr) {
- size_t __size = this->_M_size + 1;
- _Destroy(__cstr, __cstr + __size);
- this->_Data_deallocate(__cstr, __size);
+ template <class _CharT, class _Alloc>
+ inline void
+ _Rope_RopeRep<_CharT, _Alloc>::
+ _M_free_c_string()
+ {
+ _CharT* __cstr = _M_c_string;
+ if (0 != __cstr)
+ {
+ size_t __size = this->_M_size + 1;
+ _Destroy(__cstr, __cstr + __size);
+ this->_Data_deallocate(__cstr, __size);
+ }
}
-}
-
-template <class _CharT, class _Alloc>
- inline void _Rope_RopeRep<_CharT,_Alloc>::_S_free_string(_CharT* __s,
- size_t __n,
- allocator_type __a)
-{
- if (!_S_is_basic_char_type((_CharT*)0)) {
+ template <class _CharT, class _Alloc>
+ inline void
+ _Rope_RopeRep<_CharT, _Alloc>::
+ _S_free_string(_CharT* __s, size_t __n, allocator_type __a)
+ {
+ if (!_S_is_basic_char_type((_CharT*)0))
_Destroy(__s, __s + __n);
+
+ // This has to be a static member, so this gets a bit messy
+ __a.deallocate(__s,
+ _Rope_RopeLeaf<_CharT, _Alloc>::_S_rounded_up_size(__n));
}
-// This has to be a static member, so this gets a bit messy
- __a.deallocate(
- __s, _Rope_RopeLeaf<_CharT,_Alloc>::_S_rounded_up_size(__n));
-}
-
-
-// There are several reasons for not doing this with virtual destructors
-// and a class specific delete operator:
-// - A class specific delete operator can't easily get access to
-// allocator instances if we need them.
-// - Any virtual function would need a 4 or byte vtable pointer;
-// this only requires a one byte tag per object.
-template <class _CharT, class _Alloc>
-void _Rope_RopeRep<_CharT,_Alloc>::_M_free_tree()
-{
- switch(_M_tag) {
+
+ // There are several reasons for not doing this with virtual destructors
+ // and a class specific delete operator:
+ // - A class specific delete operator can't easily get access to
+ // allocator instances if we need them.
+ // - Any virtual function would need a 4 or byte vtable pointer;
+ // this only requires a one byte tag per object.
+ template <class _CharT, class _Alloc>
+ void
+ _Rope_RopeRep<_CharT, _Alloc>::
+ _M_free_tree()
+ {
+ switch(_M_tag)
+ {
case _Rope_constants::_S_leaf:
- {
- _Rope_RopeLeaf<_CharT,_Alloc>* __l
- = (_Rope_RopeLeaf<_CharT,_Alloc>*)this;
- __l->_Rope_RopeLeaf<_CharT,_Alloc>::~_Rope_RopeLeaf();
- _L_deallocate(__l, 1);
- break;
- }
+ {
+ _Rope_RopeLeaf<_CharT, _Alloc>* __l
+ = (_Rope_RopeLeaf<_CharT, _Alloc>*)this;
+ __l->_Rope_RopeLeaf<_CharT, _Alloc>::~_Rope_RopeLeaf();
+ _L_deallocate(__l, 1);
+ break;
+ }
case _Rope_constants::_S_concat:
- {
- _Rope_RopeConcatenation<_CharT,_Alloc>* __c
- = (_Rope_RopeConcatenation<_CharT,_Alloc>*)this;
- __c->_Rope_RopeConcatenation<_CharT,_Alloc>::
- ~_Rope_RopeConcatenation();
- _C_deallocate(__c, 1);
- break;
- }
+ {
+ _Rope_RopeConcatenation<_CharT,_Alloc>* __c
+ = (_Rope_RopeConcatenation<_CharT, _Alloc>*)this;
+ __c->_Rope_RopeConcatenation<_CharT, _Alloc>::
+ ~_Rope_RopeConcatenation();
+ _C_deallocate(__c, 1);
+ break;
+ }
case _Rope_constants::_S_function:
- {
- _Rope_RopeFunction<_CharT,_Alloc>* __f
- = (_Rope_RopeFunction<_CharT,_Alloc>*)this;
- __f->_Rope_RopeFunction<_CharT,_Alloc>::~_Rope_RopeFunction();
- _F_deallocate(__f, 1);
- break;
- }
+ {
+ _Rope_RopeFunction<_CharT, _Alloc>* __f
+ = (_Rope_RopeFunction<_CharT, _Alloc>*)this;
+ __f->_Rope_RopeFunction<_CharT, _Alloc>::~_Rope_RopeFunction();
+ _F_deallocate(__f, 1);
+ break;
+ }
case _Rope_constants::_S_substringfn:
- {
- _Rope_RopeSubstring<_CharT,_Alloc>* __ss =
- (_Rope_RopeSubstring<_CharT,_Alloc>*)this;
- __ss->_Rope_RopeSubstring<_CharT,_Alloc>::
- ~_Rope_RopeSubstring();
- _S_deallocate(__ss, 1);
- break;
- }
+ {
+ _Rope_RopeSubstring<_CharT, _Alloc>* __ss =
+ (_Rope_RopeSubstring<_CharT, _Alloc>*)this;
+ __ss->_Rope_RopeSubstring<_CharT, _Alloc>::
+ ~_Rope_RopeSubstring();
+ _S_deallocate(__ss, 1);
+ break;
+ }
+ }
}
-}
#else
-template <class _CharT, class _Alloc>
- inline void _Rope_RopeRep<_CharT,_Alloc>::_S_free_string
- (const _CharT*, size_t, allocator_type)
-{}
+ template <class _CharT, class _Alloc>
+ inline void
+ _Rope_RopeRep<_CharT, _Alloc>::
+ _S_free_string(const _CharT*, size_t, allocator_type)
+ { }
#endif
-
-// Concatenate a C string onto a leaf rope by copying the rope data.
-// Used for short ropes.
-template <class _CharT, class _Alloc>
-typename rope<_CharT,_Alloc>::_RopeLeaf*
-rope<_CharT,_Alloc>::_S_leaf_concat_char_iter
- (_RopeLeaf* __r, const _CharT* __iter, size_t __len)
-{
- size_t __old_len = __r->_M_size;
- _CharT* __new_data = (_CharT*)
- _Data_allocate(_S_rounded_up_size(__old_len + __len));
- _RopeLeaf* __result;
-
- uninitialized_copy_n(__r->_M_data, __old_len, __new_data);
- uninitialized_copy_n(__iter, __len, __new_data + __old_len);
- _S_cond_store_eos(__new_data[__old_len + __len]);
- try {
- __result = _S_new_RopeLeaf(__new_data, __old_len + __len,
- __r->get_allocator());
+ // Concatenate a C string onto a leaf rope by copying the rope data.
+ // Used for short ropes.
+ template <class _CharT, class _Alloc>
+ typename rope<_CharT, _Alloc>::_RopeLeaf*
+ rope<_CharT, _Alloc>::
+ _S_leaf_concat_char_iter(_RopeLeaf* __r, const _CharT* __iter, size_t __len)
+ {
+ size_t __old_len = __r->_M_size;
+ _CharT* __new_data = (_CharT*)
+ _Data_allocate(_S_rounded_up_size(__old_len + __len));
+ _RopeLeaf* __result;
+
+ uninitialized_copy_n(__r->_M_data, __old_len, __new_data);
+ uninitialized_copy_n(__iter, __len, __new_data + __old_len);
+ _S_cond_store_eos(__new_data[__old_len + __len]);
+ try
+ {
+ __result = _S_new_RopeLeaf(__new_data, __old_len + __len,
+ __r->get_allocator());
+ }
+ catch(...)
+ {
+ _RopeRep::__STL_FREE_STRING(__new_data, __old_len + __len,
+ __r->get_allocator());
+ __throw_exception_again;
+ }
+ return __result;
}
- catch(...)
- {
- _RopeRep::__STL_FREE_STRING(__new_data, __old_len + __len,
- __r->get_allocator());
- __throw_exception_again;
- }
- return __result;
-}
#ifndef __GC
-// As above, but it's OK to clobber original if refcount is 1
-template <class _CharT, class _Alloc>
-typename rope<_CharT,_Alloc>::_RopeLeaf*
-rope<_CharT,_Alloc>::_S_destr_leaf_concat_char_iter
- (_RopeLeaf* __r, const _CharT* __iter, size_t __len)
-{
- if (__r->_M_ref_count > 1)
- return _S_leaf_concat_char_iter(__r, __iter, __len);
- size_t __old_len = __r->_M_size;
- if (_S_allocated_capacity(__old_len) >= __old_len + __len) {
- // The space has been partially initialized for the standard
- // character types. But that doesn't matter for those types.
- uninitialized_copy_n(__iter, __len, __r->_M_data + __old_len);
- if (_S_is_basic_char_type((_CharT*)0)) {
+ // As above, but it's OK to clobber original if refcount is 1
+ template <class _CharT, class _Alloc>
+ typename rope<_CharT,_Alloc>::_RopeLeaf*
+ rope<_CharT, _Alloc>::
+ _S_destr_leaf_concat_char_iter(_RopeLeaf* __r, const _CharT* __iter,
+ size_t __len)
+ {
+ if (__r->_M_ref_count > 1)
+ return _S_leaf_concat_char_iter(__r, __iter, __len);
+ size_t __old_len = __r->_M_size;
+ if (_S_allocated_capacity(__old_len) >= __old_len + __len)
+ {
+ // The space has been partially initialized for the standard
+ // character types. But that doesn't matter for those types.
+ uninitialized_copy_n(__iter, __len, __r->_M_data + __old_len);
+ if (_S_is_basic_char_type((_CharT*)0))
_S_cond_store_eos(__r->_M_data[__old_len + __len]);
- } else if (__r->_M_c_string != __r->_M_data && 0 != __r->_M_c_string) {
- __r->_M_free_c_string();
- __r->_M_c_string = 0;
+ else if (__r->_M_c_string != __r->_M_data && 0 != __r->_M_c_string)
+ {
+ __r->_M_free_c_string();
+ __r->_M_c_string = 0;
+ }
+ __r->_M_size = __old_len + __len;
+ __r->_M_ref_count = 2;
+ return __r;
+ }
+ else
+ {
+ _RopeLeaf* __result = _S_leaf_concat_char_iter(__r, __iter, __len);
+ return __result;
}
- __r->_M_size = __old_len + __len;
- __r->_M_ref_count = 2;
- return __r;
- } else {
- _RopeLeaf* __result = _S_leaf_concat_char_iter(__r, __iter, __len);
- return __result;
}
-}
#endif
-// Assumes left and right are not 0.
-// Does not increment (nor decrement on exception) child reference counts.
-// Result has ref count 1.
-template <class _CharT, class _Alloc>
-typename rope<_CharT,_Alloc>::_RopeRep*
-rope<_CharT,_Alloc>::_S_tree_concat (_RopeRep* __left, _RopeRep* __right)
-{
- _RopeConcatenation* __result = _S_new_RopeConcatenation(__left, __right,
- __left->get_allocator());
- size_t __depth = __result->_M_depth;
-
- if (__depth > 20 && (__result->_M_size < 1000 ||
- __depth > _Rope_constants::_S_max_rope_depth))
+ // Assumes left and right are not 0.
+ // Does not increment (nor decrement on exception) child reference counts.
+ // Result has ref count 1.
+ template <class _CharT, class _Alloc>
+ typename rope<_CharT, _Alloc>::_RopeRep*
+ rope<_CharT, _Alloc>::
+ _S_tree_concat(_RopeRep* __left, _RopeRep* __right)
{
- _RopeRep* __balanced;
+ _RopeConcatenation* __result = _S_new_RopeConcatenation(__left, __right,
+ __left->
+ get_allocator());
+ size_t __depth = __result->_M_depth;
+
+ if (__depth > 20 && (__result->_M_size < 1000
+ || __depth > _Rope_constants::_S_max_rope_depth))
+ {
+ _RopeRep* __balanced;
+
+ try
+ {
+ __balanced = _S_balance(__result);
+ __result->_M_unref_nonnil();
+ }
+ catch(...)
+ {
+ _C_deallocate(__result,1);
+ __throw_exception_again;
+ }
+ // In case of exception, we need to deallocate
+ // otherwise dangling result node. But caller
+ // still owns its children. Thus unref is
+ // inappropriate.
+ return __balanced;
+ }
+ else
+ return __result;
+ }
+ template <class _CharT, class _Alloc>
+ typename rope<_CharT, _Alloc>::_RopeRep*
+ rope<_CharT, _Alloc>::
+ _S_concat_char_iter(_RopeRep* __r, const _CharT*__s, size_t __slen)
+ {
+ _RopeRep* __result;
+ if (0 == __slen)
+ {
+ _S_ref(__r);
+ return __r;
+ }
+ if (0 == __r)
+ return __STL_ROPE_FROM_UNOWNED_CHAR_PTR(__s, __slen,
+ __r->get_allocator());
+ if (_Rope_constants::_S_leaf == __r->_M_tag
+ && __r->_M_size + __slen <= _S_copy_max)
+ {
+ __result = _S_leaf_concat_char_iter((_RopeLeaf*)__r, __s, __slen);
+ return __result;
+ }
+ if (_Rope_constants::_S_concat == __r->_M_tag
+ && _Rope_constants::_S_leaf == ((_RopeConcatenation*)
+ __r)->_M_right->_M_tag)
+ {
+ _RopeLeaf* __right =
+ (_RopeLeaf* )(((_RopeConcatenation* )__r)->_M_right);
+ if (__right->_M_size + __slen <= _S_copy_max)
+ {
+ _RopeRep* __left = ((_RopeConcatenation*)__r)->_M_left;
+ _RopeRep* __nright =
+ _S_leaf_concat_char_iter((_RopeLeaf*)__right, __s, __slen);
+ __left->_M_ref_nonnil();
+ try
+ { __result = _S_tree_concat(__left, __nright); }
+ catch(...)
+ {
+ _S_unref(__left);
+ _S_unref(__nright);
+ __throw_exception_again;
+ }
+ return __result;
+ }
+ }
+ _RopeRep* __nright =
+ __STL_ROPE_FROM_UNOWNED_CHAR_PTR(__s, __slen, __r->get_allocator());
try
{
- __balanced = _S_balance(__result);
- __result->_M_unref_nonnil();
- }
+ __r->_M_ref_nonnil();
+ __result = _S_tree_concat(__r, __nright);
+ }
catch(...)
{
- _C_deallocate(__result,1);
+ _S_unref(__r);
+ _S_unref(__nright);
__throw_exception_again;
}
- // In case of exception, we need to deallocate
- // otherwise dangling result node. But caller
- // still owns its children. Thus unref is
- // inappropriate.
- return __balanced;
- }
- else
- return __result;
-}
-
-template <class _CharT, class _Alloc>
-typename
-rope<_CharT,_Alloc>::_RopeRep* rope<_CharT,_Alloc>::_S_concat_char_iter
- (_RopeRep* __r, const _CharT*__s, size_t __slen)
-{
- _RopeRep* __result;
- if (0 == __slen) {
- _S_ref(__r);
- return __r;
- }
- if (0 == __r)
- return __STL_ROPE_FROM_UNOWNED_CHAR_PTR(__s, __slen,
- __r->get_allocator());
- if (_Rope_constants::_S_leaf == __r->_M_tag &&
- __r->_M_size + __slen <= _S_copy_max) {
- __result = _S_leaf_concat_char_iter((_RopeLeaf*)__r, __s, __slen);
- return __result;
+ return __result;
}
- if (_Rope_constants::_S_concat == __r->_M_tag
- && _Rope_constants::_S_leaf == ((_RopeConcatenation*)__r)->_M_right->_M_tag) {
- _RopeLeaf* __right =
- (_RopeLeaf* )(((_RopeConcatenation* )__r)->_M_right);
- if (__right->_M_size + __slen <= _S_copy_max) {
- _RopeRep* __left = ((_RopeConcatenation*)__r)->_M_left;
- _RopeRep* __nright =
- _S_leaf_concat_char_iter((_RopeLeaf*)__right, __s, __slen);
- __left->_M_ref_nonnil();
- try {
- __result = _S_tree_concat(__left, __nright);
- }
- catch(...)
+
+#ifndef __GC
+ template <class _CharT, class _Alloc>
+ typename rope<_CharT,_Alloc>::_RopeRep*
+ rope<_CharT,_Alloc>::
+ _S_destr_concat_char_iter(_RopeRep* __r, const _CharT* __s, size_t __slen)
+ {
+ _RopeRep* __result;
+ if (0 == __r)
+ return __STL_ROPE_FROM_UNOWNED_CHAR_PTR(__s, __slen,
+ __r->get_allocator());
+ size_t __count = __r->_M_ref_count;
+ size_t __orig_size = __r->_M_size;
+ if (__count > 1)
+ return _S_concat_char_iter(__r, __s, __slen);
+ if (0 == __slen)
+ {
+ __r->_M_ref_count = 2; // One more than before
+ return __r;
+ }
+ if (__orig_size + __slen <= _S_copy_max
+ && _Rope_constants::_S_leaf == __r->_M_tag)
+ {
+ __result = _S_destr_leaf_concat_char_iter((_RopeLeaf*)__r, __s,
+ __slen);
+ return __result;
+ }
+ if (_Rope_constants::_S_concat == __r->_M_tag)
+ {
+ _RopeLeaf* __right = (_RopeLeaf*)(((_RopeConcatenation*)
+ __r)->_M_right);
+ if (_Rope_constants::_S_leaf == __right->_M_tag
+ && __right->_M_size + __slen <= _S_copy_max)
{
- _S_unref(__left);
- _S_unref(__nright);
- __throw_exception_again;
+ _RopeRep* __new_right =
+ _S_destr_leaf_concat_char_iter(__right, __s, __slen);
+ if (__right == __new_right)
+ __new_right->_M_ref_count = 1;
+ else
+ __right->_M_unref_nonnil();
+ __r->_M_ref_count = 2; // One more than before.
+ ((_RopeConcatenation*)__r)->_M_right = __new_right;
+ __r->_M_size = __orig_size + __slen;
+ if (0 != __r->_M_c_string)
+ {
+ __r->_M_free_c_string();
+ __r->_M_c_string = 0;
+ }
+ return __r;
}
- return __result;
}
- }
- _RopeRep* __nright =
- __STL_ROPE_FROM_UNOWNED_CHAR_PTR(__s, __slen, __r->get_allocator());
- try {
+ _RopeRep* __right =
+ __STL_ROPE_FROM_UNOWNED_CHAR_PTR(__s, __slen, __r->get_allocator());
__r->_M_ref_nonnil();
- __result = _S_tree_concat(__r, __nright);
- }
- catch(...)
- {
- _S_unref(__r);
- _S_unref(__nright);
- __throw_exception_again;
- }
- return __result;
-}
-
-#ifndef __GC
-template <class _CharT, class _Alloc>
-typename rope<_CharT,_Alloc>::_RopeRep*
-rope<_CharT,_Alloc>::_S_destr_concat_char_iter(
- _RopeRep* __r, const _CharT* __s, size_t __slen)
-{
- _RopeRep* __result;
- if (0 == __r)
- return __STL_ROPE_FROM_UNOWNED_CHAR_PTR(__s, __slen,
- __r->get_allocator());
- size_t __count = __r->_M_ref_count;
- size_t __orig_size = __r->_M_size;
- if (__count > 1) return _S_concat_char_iter(__r, __s, __slen);
- if (0 == __slen) {
- __r->_M_ref_count = 2; // One more than before
- return __r;
- }
- if (__orig_size + __slen <= _S_copy_max &&
- _Rope_constants::_S_leaf == __r->_M_tag) {
- __result = _S_destr_leaf_concat_char_iter((_RopeLeaf*)__r, __s, __slen);
- return __result;
- }
- if (_Rope_constants::_S_concat == __r->_M_tag) {
- _RopeLeaf* __right = (_RopeLeaf*)(((_RopeConcatenation*)__r)->_M_right);
- if (_Rope_constants::_S_leaf == __right->_M_tag
- && __right->_M_size + __slen <= _S_copy_max) {
- _RopeRep* __new_right =
- _S_destr_leaf_concat_char_iter(__right, __s, __slen);
- if (__right == __new_right)
- __new_right->_M_ref_count = 1;
- else
- __right->_M_unref_nonnil();
- __r->_M_ref_count = 2; // One more than before.
- ((_RopeConcatenation*)__r)->_M_right = __new_right;
- __r->_M_size = __orig_size + __slen;
- if (0 != __r->_M_c_string) {
- __r->_M_free_c_string();
- __r->_M_c_string = 0;
- }
- return __r;
+ try
+ { __result = _S_tree_concat(__r, __right); }
+ catch(...)
+ {
+ _S_unref(__r);
+ _S_unref(__right);
+ __throw_exception_again;
}
+ return __result;
}
- _RopeRep* __right =
- __STL_ROPE_FROM_UNOWNED_CHAR_PTR(__s, __slen, __r->get_allocator());
- __r->_M_ref_nonnil();
- try {
- __result = _S_tree_concat(__r, __right);
- }
- catch(...)
- {
- _S_unref(__r);
- _S_unref(__right);
- __throw_exception_again;
- }
- return __result;
-}
#endif /* !__GC */
-
-template <class _CharT, class _Alloc>
-typename rope<_CharT,_Alloc>::_RopeRep*
-rope<_CharT,_Alloc>::_S_concat(_RopeRep* __left, _RopeRep* __right)
-{
- if (0 == __left) {
- _S_ref(__right);
- return __right;
- }
- if (0 == __right) {
- __left->_M_ref_nonnil();
- return __left;
- }
- if (_Rope_constants::_S_leaf == __right->_M_tag) {
- if (_Rope_constants::_S_leaf == __left->_M_tag) {
- if (__right->_M_size + __left->_M_size <= _S_copy_max) {
- return _S_leaf_concat_char_iter((_RopeLeaf*)__left,
- ((_RopeLeaf*)__right)->_M_data,
- __right->_M_size);
- }
- } else if (_Rope_constants::_S_concat == __left->_M_tag
- && _Rope_constants::_S_leaf ==
- ((_RopeConcatenation*)__left)->_M_right->_M_tag) {
- _RopeLeaf* __leftright =
- (_RopeLeaf*)(((_RopeConcatenation*)__left)->_M_right);
- if (__leftright->_M_size + __right->_M_size <= _S_copy_max) {
- _RopeRep* __leftleft = ((_RopeConcatenation*)__left)->_M_left;
- _RopeRep* __rest = _S_leaf_concat_char_iter(__leftright,
- ((_RopeLeaf*)__right)->_M_data,
- __right->_M_size);
- __leftleft->_M_ref_nonnil();
- try {
- return(_S_tree_concat(__leftleft, __rest));
- }
- catch(...)
- {
- _S_unref(__leftleft);
- _S_unref(__rest);
- __throw_exception_again;
- }
- }
+
+ template <class _CharT, class _Alloc>
+ typename rope<_CharT, _Alloc>::_RopeRep*
+ rope<_CharT, _Alloc>::
+ _S_concat(_RopeRep* __left, _RopeRep* __right)
+ {
+ if (0 == __left)
+ {
+ _S_ref(__right);
+ return __right;
+ }
+ if (0 == __right)
+ {
+ __left->_M_ref_nonnil();
+ return __left;
+ }
+ if (_Rope_constants::_S_leaf == __right->_M_tag)
+ {
+ if (_Rope_constants::_S_leaf == __left->_M_tag)
+ {
+ if (__right->_M_size + __left->_M_size <= _S_copy_max)
+ return _S_leaf_concat_char_iter((_RopeLeaf*)__left,
+ ((_RopeLeaf*)__right)->_M_data,
+ __right->_M_size);
+ }
+ else if (_Rope_constants::_S_concat == __left->_M_tag
+ && _Rope_constants::_S_leaf == ((_RopeConcatenation*)
+ __left)->_M_right->_M_tag)
+ {
+ _RopeLeaf* __leftright =
+ (_RopeLeaf*)(((_RopeConcatenation*)__left)->_M_right);
+ if (__leftright->_M_size + __right->_M_size <= _S_copy_max)
+ {
+ _RopeRep* __leftleft = ((_RopeConcatenation*)__left)->_M_left;
+ _RopeRep* __rest = _S_leaf_concat_char_iter(__leftright,
+ ((_RopeLeaf*)
+ __right)->
+ _M_data,
+ __right->_M_size);
+ __leftleft->_M_ref_nonnil();
+ try
+ { return(_S_tree_concat(__leftleft, __rest)); }
+ catch(...)
+ {
+ _S_unref(__leftleft);
+ _S_unref(__rest);
+ __throw_exception_again;
+ }
+ }
+ }
+ }
+ __left->_M_ref_nonnil();
+ __right->_M_ref_nonnil();
+ try
+ { return(_S_tree_concat(__left, __right)); }
+ catch(...)
+ {
+ _S_unref(__left);
+ _S_unref(__right);
+ __throw_exception_again;
}
}
- __left->_M_ref_nonnil();
- __right->_M_ref_nonnil();
- try {
- return(_S_tree_concat(__left, __right));
- }
- catch(...)
- {
- _S_unref(__left);
- _S_unref(__right);
- __throw_exception_again;
- }
-}
-
-template <class _CharT, class _Alloc>
-typename rope<_CharT,_Alloc>::_RopeRep*
-rope<_CharT,_Alloc>::_S_substring(_RopeRep* __base,
- size_t __start, size_t __endp1)
-{
- if (0 == __base) return 0;
- size_t __len = __base->_M_size;
- size_t __adj_endp1;
- const size_t __lazy_threshold = 128;
-
- if (__endp1 >= __len) {
- if (0 == __start) {
- __base->_M_ref_nonnil();
- return __base;
- } else {
+
+ template <class _CharT, class _Alloc>
+ typename rope<_CharT, _Alloc>::_RopeRep*
+ rope<_CharT, _Alloc>::
+ _S_substring(_RopeRep* __base, size_t __start, size_t __endp1)
+ {
+ if (0 == __base)
+ return 0;
+ size_t __len = __base->_M_size;
+ size_t __adj_endp1;
+ const size_t __lazy_threshold = 128;
+
+ if (__endp1 >= __len)
+ {
+ if (0 == __start)
+ {
+ __base->_M_ref_nonnil();
+ return __base;
+ }
+ else
__adj_endp1 = __len;
+
}
- } else {
+ else
__adj_endp1 = __endp1;
- }
- switch(__base->_M_tag) {
+
+ switch(__base->_M_tag)
+ {
case _Rope_constants::_S_concat:
{
- _RopeConcatenation* __c = (_RopeConcatenation*)__base;
- _RopeRep* __left = __c->_M_left;
- _RopeRep* __right = __c->_M_right;
- size_t __left_len = __left->_M_size;
- _RopeRep* __result;
-
- if (__adj_endp1 <= __left_len) {
- return _S_substring(__left, __start, __endp1);
- } else if (__start >= __left_len) {
- return _S_substring(__right, __start - __left_len,
- __adj_endp1 - __left_len);
- }
- _Self_destruct_ptr __left_result(
- _S_substring(__left, __start, __left_len));
- _Self_destruct_ptr __right_result(
- _S_substring(__right, 0, __endp1 - __left_len));
- __result = _S_concat(__left_result, __right_result);
- return __result;
+ _RopeConcatenation* __c = (_RopeConcatenation*)__base;
+ _RopeRep* __left = __c->_M_left;
+ _RopeRep* __right = __c->_M_right;
+ size_t __left_len = __left->_M_size;
+ _RopeRep* __result;
+
+ if (__adj_endp1 <= __left_len)
+ return _S_substring(__left, __start, __endp1);
+ else if (__start >= __left_len)
+ return _S_substring(__right, __start - __left_len,
+ __adj_endp1 - __left_len);
+ _Self_destruct_ptr __left_result(_S_substring(__left,
+ __start,
+ __left_len));
+ _Self_destruct_ptr __right_result(_S_substring(__right, 0,
+ __endp1
+ - __left_len));
+ __result = _S_concat(__left_result, __right_result);
+ return __result;
}
case _Rope_constants::_S_leaf:
- {
- _RopeLeaf* __l = (_RopeLeaf*)__base;
- _RopeLeaf* __result;
- size_t __result_len;
- if (__start >= __adj_endp1) return 0;
- __result_len = __adj_endp1 - __start;
- if (__result_len > __lazy_threshold) goto lazy;
-# ifdef __GC
- const _CharT* __section = __l->_M_data + __start;
- __result = _S_new_RopeLeaf(__section, __result_len,
- __base->get_allocator());
- __result->_M_c_string = 0; // Not eos terminated.
-# else
- // We should sometimes create substring node instead.
- __result = __STL_ROPE_FROM_UNOWNED_CHAR_PTR(
- __l->_M_data + __start, __result_len,
- __base->get_allocator());
-# endif
- return __result;
- }
+ {
+ _RopeLeaf* __l = (_RopeLeaf*)__base;
+ _RopeLeaf* __result;
+ size_t __result_len;
+ if (__start >= __adj_endp1)
+ return 0;
+ __result_len = __adj_endp1 - __start;
+ if (__result_len > __lazy_threshold)
+ goto lazy;
+#ifdef __GC
+ const _CharT* __section = __l->_M_data + __start;
+ __result = _S_new_RopeLeaf(__section, __result_len,
+ __base->get_allocator());
+ __result->_M_c_string = 0; // Not eos terminated.
+#else
+ // We should sometimes create substring node instead.
+ __result = __STL_ROPE_FROM_UNOWNED_CHAR_PTR(__l->_M_data + __start,
+ __result_len,
+ __base->
+ get_allocator());
+#endif
+ return __result;
+ }
case _Rope_constants::_S_substringfn:
- // Avoid introducing multiple layers of substring nodes.
- {
- _RopeSubstring* __old = (_RopeSubstring*)__base;
- size_t __result_len;
- if (__start >= __adj_endp1) return 0;
- __result_len = __adj_endp1 - __start;
- if (__result_len > __lazy_threshold) {
- _RopeSubstring* __result =
- _S_new_RopeSubstring(__old->_M_base,
- __start + __old->_M_start,
- __adj_endp1 - __start,
- __base->get_allocator());
- return __result;
-
- } // *** else fall through: ***
- }
- case _Rope_constants::_S_function:
- {
- _RopeFunction* __f = (_RopeFunction*)__base;
- _CharT* __section;
- size_t __result_len;
- if (__start >= __adj_endp1) return 0;
- __result_len = __adj_endp1 - __start;
-
- if (__result_len > __lazy_threshold) goto lazy;
- __section = (_CharT*)
- _Data_allocate(_S_rounded_up_size(__result_len));
- try {
- (*(__f->_M_fn))(__start, __result_len, __section);
- }
- catch(...)
- {
- _RopeRep::__STL_FREE_STRING(
- __section, __result_len, __base->get_allocator());
- __throw_exception_again;
- }
- _S_cond_store_eos(__section[__result_len]);
- return _S_new_RopeLeaf(__section, __result_len,
+ // Avoid introducing multiple layers of substring nodes.
+ {
+ _RopeSubstring* __old = (_RopeSubstring*)__base;
+ size_t __result_len;
+ if (__start >= __adj_endp1)
+ return 0;
+ __result_len = __adj_endp1 - __start;
+ if (__result_len > __lazy_threshold)
+ {
+ _RopeSubstring* __result =
+ _S_new_RopeSubstring(__old->_M_base,
+ __start + __old->_M_start,
+ __adj_endp1 - __start,
__base->get_allocator());
- }
- }
- lazy:
- {
+ return __result;
+
+ } // *** else fall through: ***
+ }
+ case _Rope_constants::_S_function:
+ {
+ _RopeFunction* __f = (_RopeFunction*)__base;
+ _CharT* __section;
+ size_t __result_len;
+ if (__start >= __adj_endp1)
+ return 0;
+ __result_len = __adj_endp1 - __start;
+
+ if (__result_len > __lazy_threshold)
+ goto lazy;
+ __section = (_CharT*)
+ _Data_allocate(_S_rounded_up_size(__result_len));
+ try
+ { (*(__f->_M_fn))(__start, __result_len, __section); }
+ catch(...)
+ {
+ _RopeRep::__STL_FREE_STRING(__section, __result_len,
+ __base->get_allocator());
+ __throw_exception_again;
+ }
+ _S_cond_store_eos(__section[__result_len]);
+ return _S_new_RopeLeaf(__section, __result_len,
+ __base->get_allocator());
+ }
+ }
+ lazy:
+ {
// Create substring node.
return _S_new_RopeSubstring(__base, __start, __adj_endp1 - __start,
- __base->get_allocator());
+ __base->get_allocator());
+ }
}
-}
-template<class _CharT>
-class _Rope_flatten_char_consumer : public _Rope_char_consumer<_CharT> {
+ template<class _CharT>
+ class _Rope_flatten_char_consumer
+ : public _Rope_char_consumer<_CharT>
+ {
private:
- _CharT* _M_buf_ptr;
+ _CharT* _M_buf_ptr;
public:
+
+ _Rope_flatten_char_consumer(_CharT* __buffer)
+ { _M_buf_ptr = __buffer; };
+
+ ~_Rope_flatten_char_consumer() {}
+
+ bool
+ operator()(const _CharT* __leaf, size_t __n)
+ {
+ uninitialized_copy_n(__leaf, __n, _M_buf_ptr);
+ _M_buf_ptr += __n;
+ return true;
+ }
+ };
- _Rope_flatten_char_consumer(_CharT* __buffer) {
- _M_buf_ptr = __buffer;
- };
- ~_Rope_flatten_char_consumer() {}
- bool operator() (const _CharT* __leaf, size_t __n) {
- uninitialized_copy_n(__leaf, __n, _M_buf_ptr);
- _M_buf_ptr += __n;
- return true;
- }
-};
-
-template<class _CharT>
-class _Rope_find_char_char_consumer : public _Rope_char_consumer<_CharT> {
+ template<class _CharT>
+ class _Rope_find_char_char_consumer
+ : public _Rope_char_consumer<_CharT>
+ {
private:
- _CharT _M_pattern;
+ _CharT _M_pattern;
public:
- size_t _M_count; // Number of nonmatching characters
- _Rope_find_char_char_consumer(_CharT __p)
- : _M_pattern(__p), _M_count(0) {}
- ~_Rope_find_char_char_consumer() {}
- bool operator() (const _CharT* __leaf, size_t __n) {
- size_t __i;
- for (__i = 0; __i < __n; __i++) {
- if (__leaf[__i] == _M_pattern) {
- _M_count += __i; return false;
- }
- }
- _M_count += __n; return true;
- }
-};
+ size_t _M_count; // Number of nonmatching characters
+
+ _Rope_find_char_char_consumer(_CharT __p)
+ : _M_pattern(__p), _M_count(0) {}
+
+ ~_Rope_find_char_char_consumer() {}
+
+ bool
+ operator()(const _CharT* __leaf, size_t __n)
+ {
+ size_t __i;
+ for (__i = 0; __i < __n; __i++)
+ {
+ if (__leaf[__i] == _M_pattern)
+ {
+ _M_count += __i;
+ return false;
+ }
+ }
+ _M_count += __n; return true;
+ }
+ };
template<class _CharT, class _Traits>
// Here _CharT is both the stream and rope character type.
-class _Rope_insert_char_consumer : public _Rope_char_consumer<_CharT> {
+ class _Rope_insert_char_consumer
+ : public _Rope_char_consumer<_CharT>
+ {
private:
- typedef basic_ostream<_CharT,_Traits> _Insert_ostream;
- _Insert_ostream& _M_o;
+ typedef basic_ostream<_CharT,_Traits> _Insert_ostream;
+ _Insert_ostream& _M_o;
public:
- _Rope_insert_char_consumer(_Insert_ostream& __writer)
- : _M_o(__writer) {};
- ~_Rope_insert_char_consumer() { };
- // Caller is presumed to own the ostream
- bool operator() (const _CharT* __leaf, size_t __n);
- // Returns true to continue traversal.
-};
-
-template<class _CharT, class _Traits>
-bool _Rope_insert_char_consumer<_CharT, _Traits>::operator()
- (const _CharT* __leaf, size_t __n)
-{
- size_t __i;
- // We assume that formatting is set up correctly for each element.
- for (__i = 0; __i < __n; __i++) _M_o.put(__leaf[__i]);
- return true;
-}
-
-template <class _CharT, class _Alloc>
-bool rope<_CharT, _Alloc>::_S_apply_to_pieces(
- _Rope_char_consumer<_CharT>& __c,
- const _RopeRep* __r,
- size_t __begin, size_t __end)
-{
- if (0 == __r) return true;
- switch(__r->_M_tag) {
+ _Rope_insert_char_consumer(_Insert_ostream& __writer)
+ : _M_o(__writer) {};
+ ~_Rope_insert_char_consumer() { };
+ // Caller is presumed to own the ostream
+ bool operator() (const _CharT* __leaf, size_t __n);
+ // Returns true to continue traversal.
+ };
+
+ template<class _CharT, class _Traits>
+ bool
+ _Rope_insert_char_consumer<_CharT, _Traits>::
+ operator()(const _CharT* __leaf, size_t __n)
+ {
+ size_t __i;
+ // We assume that formatting is set up correctly for each element.
+ for (__i = 0; __i < __n; __i++)
+ _M_o.put(__leaf[__i]);
+ return true;
+ }
+
+ template <class _CharT, class _Alloc>
+ bool
+ rope<_CharT, _Alloc>::
+ _S_apply_to_pieces(_Rope_char_consumer<_CharT>& __c,
+ const _RopeRep* __r, size_t __begin, size_t __end)
+ {
+ if (0 == __r)
+ return true;
+ switch(__r->_M_tag)
+ {
case _Rope_constants::_S_concat:
- {
- _RopeConcatenation* __conc = (_RopeConcatenation*)__r;
- _RopeRep* __left = __conc->_M_left;
- size_t __left_len = __left->_M_size;
- if (__begin < __left_len) {
- size_t __left_end = std::min(__left_len, __end);
- if (!_S_apply_to_pieces(__c, __left, __begin, __left_end))
- return false;
- }
- if (__end > __left_len) {
- _RopeRep* __right = __conc->_M_right;
- size_t __right_start = std::max(__left_len, __begin);
- if (!_S_apply_to_pieces(__c, __right,
- __right_start - __left_len,
- __end - __left_len)) {
- return false;
- }
- }
- }
- return true;
- case _Rope_constants::_S_leaf:
- {
- _RopeLeaf* __l = (_RopeLeaf*)__r;
- return __c(__l->_M_data + __begin, __end - __begin);
- }
+ {
+ _RopeConcatenation* __conc = (_RopeConcatenation*)__r;
+ _RopeRep* __left = __conc->_M_left;
+ size_t __left_len = __left->_M_size;
+ if (__begin < __left_len)
+ {
+ size_t __left_end = std::min(__left_len, __end);
+ if (!_S_apply_to_pieces(__c, __left, __begin, __left_end))
+ return false;
+ }
+ if (__end > __left_len)
+ {
+ _RopeRep* __right = __conc->_M_right;
+ size_t __right_start = std::max(__left_len, __begin);
+ if (!_S_apply_to_pieces(__c, __right,
+ __right_start - __left_len,
+ __end - __left_len))
+ return false;
+ }
+ }
+ return true;
+ case _Rope_constants::_S_leaf:
+ {
+ _RopeLeaf* __l = (_RopeLeaf*)__r;
+ return __c(__l->_M_data + __begin, __end - __begin);
+ }
case _Rope_constants::_S_function:
case _Rope_constants::_S_substringfn:
{
- _RopeFunction* __f = (_RopeFunction*)__r;
- size_t __len = __end - __begin;
- bool __result;
- _CharT* __buffer =
- (_CharT*)_Alloc().allocate(__len * sizeof(_CharT));
- try {
+ _RopeFunction* __f = (_RopeFunction*)__r;
+ size_t __len = __end - __begin;
+ bool __result;
+ _CharT* __buffer =
+ (_CharT*)_Alloc().allocate(__len * sizeof(_CharT));
+ try
+ {
(*(__f->_M_fn))(__begin, __len, __buffer);
__result = __c(__buffer, __len);
_Alloc().deallocate(__buffer, __len * sizeof(_CharT));
}
- catch(...)
- {
- _Alloc().deallocate(__buffer, __len * sizeof(_CharT));
- __throw_exception_again;
- }
- return __result;
+ catch(...)
+ {
+ _Alloc().deallocate(__buffer, __len * sizeof(_CharT));
+ __throw_exception_again;
+ }
+ return __result;
}
default:
return false;
+ }
}
-}
template<class _CharT, class _Traits>
- inline void _Rope_fill(basic_ostream<_CharT, _Traits>& __o, size_t __n)
-{
- char __f = __o.fill();
- size_t __i;
+ inline void
+ _Rope_fill(basic_ostream<_CharT, _Traits>& __o, size_t __n)
+ {
+ char __f = __o.fill();
+ size_t __i;
+
+ for (__i = 0; __i < __n; __i++)
+ __o.put(__f);
+ }
- for (__i = 0; __i < __n; __i++) __o.put(__f);
-}
+ template <class _CharT>
+ inline bool
+ _Rope_is_simple(_CharT*)
+ { return false; }
-template <class _CharT> inline bool _Rope_is_simple(_CharT*) { return false; }
-inline bool _Rope_is_simple(char*) { return true; }
-inline bool _Rope_is_simple(wchar_t*) { return true; }
+ inline bool
+ _Rope_is_simple(char*)
+ { return true; }
-template<class _CharT, class _Traits, class _Alloc>
-basic_ostream<_CharT, _Traits>& operator<< (basic_ostream<_CharT, _Traits>& __o,
- const rope<_CharT, _Alloc>& __r)
-{
- size_t __w = __o.width();
- bool __left = bool(__o.flags() & std::ios::left);
- size_t __pad_len;
- size_t __rope_len = __r.size();
- _Rope_insert_char_consumer<_CharT, _Traits> __c(__o);
- bool __is_simple = _Rope_is_simple((_CharT*)0);
+ inline bool
+ _Rope_is_simple(wchar_t*)
+ { return true; }
- if (__rope_len < __w) {
+ template<class _CharT, class _Traits, class _Alloc>
+ basic_ostream<_CharT, _Traits>&
+ operator<<(basic_ostream<_CharT, _Traits>& __o,
+ const rope<_CharT, _Alloc>& __r)
+ {
+ size_t __w = __o.width();
+ bool __left = bool(__o.flags() & std::ios::left);
+ size_t __pad_len;
+ size_t __rope_len = __r.size();
+ _Rope_insert_char_consumer<_CharT, _Traits> __c(__o);
+ bool __is_simple = _Rope_is_simple((_CharT*)0);
+
+ if (__rope_len < __w)
__pad_len = __w - __rope_len;
- } else {
+ else
__pad_len = 0;
- }
- if (!__is_simple) __o.width(__w/__rope_len);
- try {
- if (__is_simple && !__left && __pad_len > 0) {
- _Rope_fill(__o, __pad_len);
- }
- __r.apply_to_pieces(0, __r.size(), __c);
- if (__is_simple && __left && __pad_len > 0) {
- _Rope_fill(__o, __pad_len);
- }
+
if (!__is_simple)
- __o.width(__w);
+ __o.width(__w / __rope_len);
+ try
+ {
+ if (__is_simple && !__left && __pad_len > 0)
+ _Rope_fill(__o, __pad_len);
+ __r.apply_to_pieces(0, __r.size(), __c);
+ if (__is_simple && __left && __pad_len > 0)
+ _Rope_fill(__o, __pad_len);
+ if (!__is_simple)
+ __o.width(__w);
+ }
+ catch(...)
+ {
+ if (!__is_simple)
+ __o.width(__w);
+ __throw_exception_again;
+ }
+ return __o;
}
- catch(...)
- {
- if (!__is_simple)
- __o.width(__w);
- __throw_exception_again;
- }
- return __o;
-}
-
-template <class _CharT, class _Alloc>
-_CharT*
-rope<_CharT,_Alloc>::_S_flatten(_RopeRep* __r,
- size_t __start, size_t __len,
- _CharT* __buffer)
-{
- _Rope_flatten_char_consumer<_CharT> __c(__buffer);
- _S_apply_to_pieces(__c, __r, __start, __start + __len);
- return(__buffer + __len);
-}
-
-template <class _CharT, class _Alloc>
-size_t
-rope<_CharT,_Alloc>::find(_CharT __pattern, size_t __start) const
-{
- _Rope_find_char_char_consumer<_CharT> __c(__pattern);
- _S_apply_to_pieces(__c, this->_M_tree_ptr, __start, size());
- size_type __result_pos = __start + __c._M_count;
-# ifndef __STL_OLD_ROPE_SEMANTICS
- if (__result_pos == size()) __result_pos = npos;
-# endif
- return __result_pos;
-}
-
-template <class _CharT, class _Alloc>
-_CharT*
-rope<_CharT,_Alloc>::_S_flatten(_RopeRep* __r, _CharT* __buffer)
-{
- if (0 == __r) return __buffer;
- switch(__r->_M_tag) {
+
+ template <class _CharT, class _Alloc>
+ _CharT*
+ rope<_CharT, _Alloc>::
+ _S_flatten(_RopeRep* __r, size_t __start, size_t __len,
+ _CharT* __buffer)
+ {
+ _Rope_flatten_char_consumer<_CharT> __c(__buffer);
+ _S_apply_to_pieces(__c, __r, __start, __start + __len);
+ return(__buffer + __len);
+ }
+
+ template <class _CharT, class _Alloc>
+ size_t
+ rope<_CharT, _Alloc>::
+ find(_CharT __pattern, size_t __start) const
+ {
+ _Rope_find_char_char_consumer<_CharT> __c(__pattern);
+ _S_apply_to_pieces(__c, this->_M_tree_ptr, __start, size());
+ size_type __result_pos = __start + __c._M_count;
+#ifndef __STL_OLD_ROPE_SEMANTICS
+ if (__result_pos == size())
+ __result_pos = npos;
+#endif
+ return __result_pos;
+ }
+
+ template <class _CharT, class _Alloc>
+ _CharT*
+ rope<_CharT, _Alloc>::
+ _S_flatten(_RopeRep* __r, _CharT* __buffer)
+ {
+ if (0 == __r)
+ return __buffer;
+ switch(__r->_M_tag)
+ {
case _Rope_constants::_S_concat:
- {
- _RopeConcatenation* __c = (_RopeConcatenation*)__r;
- _RopeRep* __left = __c->_M_left;
- _RopeRep* __right = __c->_M_right;
- _CharT* __rest = _S_flatten(__left, __buffer);
- return _S_flatten(__right, __rest);
- }
+ {
+ _RopeConcatenation* __c = (_RopeConcatenation*)__r;
+ _RopeRep* __left = __c->_M_left;
+ _RopeRep* __right = __c->_M_right;
+ _CharT* __rest = _S_flatten(__left, __buffer);
+ return _S_flatten(__right, __rest);
+ }
case _Rope_constants::_S_leaf:
- {
- _RopeLeaf* __l = (_RopeLeaf*)__r;
- return copy_n(__l->_M_data, __l->_M_size, __buffer).second;
- }
+ {
+ _RopeLeaf* __l = (_RopeLeaf*)__r;
+ return copy_n(__l->_M_data, __l->_M_size, __buffer).second;
+ }
case _Rope_constants::_S_function:
case _Rope_constants::_S_substringfn:
- // We don't yet do anything with substring nodes.
- // This needs to be fixed before ropefiles will work well.
- {
- _RopeFunction* __f = (_RopeFunction*)__r;
- (*(__f->_M_fn))(0, __f->_M_size, __buffer);
- return __buffer + __f->_M_size;
- }
+ // We don't yet do anything with substring nodes.
+ // This needs to be fixed before ropefiles will work well.
+ {
+ _RopeFunction* __f = (_RopeFunction*)__r;
+ (*(__f->_M_fn))(0, __f->_M_size, __buffer);
+ return __buffer + __f->_M_size;
+ }
default:
- return 0;
- }
-}
-
-
-// This needs work for _CharT != char
-template <class _CharT, class _Alloc>
-void
-rope<_CharT,_Alloc>::_S_dump(_RopeRep* __r, int __indent)
-{
- for (int __i = 0; __i < __indent; __i++) putchar(' ');
- if (0 == __r) {
- printf("NULL\n"); return;
+ return 0;
+ }
}
- if (_Rope_constants::_S_concat == __r->_M_tag) {
- _RopeConcatenation* __c = (_RopeConcatenation*)__r;
- _RopeRep* __left = __c->_M_left;
- _RopeRep* __right = __c->_M_right;
-# ifdef __GC
+ // This needs work for _CharT != char
+ template <class _CharT, class _Alloc>
+ void
+ rope<_CharT, _Alloc>::
+ _S_dump(_RopeRep* __r, int __indent)
+ {
+ for (int __i = 0; __i < __indent; __i++)
+ putchar(' ');
+ if (0 == __r)
+ {
+ printf("NULL\n");
+ return;
+ }
+ if (_Rope_constants::_S_concat == __r->_M_tag)
+ {
+ _RopeConcatenation* __c = (_RopeConcatenation*)__r;
+ _RopeRep* __left = __c->_M_left;
+ _RopeRep* __right = __c->_M_right;
+
+#ifdef __GC
printf("Concatenation %p (depth = %d, len = %ld, %s balanced)\n",
- __r, __r->_M_depth, __r->_M_size, __r->_M_is_balanced? "" : "not");
-# else
+ __r, __r->_M_depth, __r->_M_size,
+ __r->_M_is_balanced? "" : "not");
+#else
printf("Concatenation %p (rc = %ld, depth = %d, "
- "len = %ld, %s balanced)\n",
+ "len = %ld, %s balanced)\n",
__r, __r->_M_ref_count, __r->_M_depth, __r->_M_size,
__r->_M_is_balanced? "" : "not");
-# endif
- _S_dump(__left, __indent + 2);
- _S_dump(__right, __indent + 2);
- return;
- } else {
- char* __kind;
-
- switch (__r->_M_tag) {
+#endif
+ _S_dump(__left, __indent + 2);
+ _S_dump(__right, __indent + 2);
+ return;
+ }
+ else
+ {
+ char* __kind;
+
+ switch (__r->_M_tag)
+ {
case _Rope_constants::_S_leaf:
- __kind = "Leaf";
- break;
+ __kind = "Leaf";
+ break;
case _Rope_constants::_S_function:
- __kind = "Function";
- break;
+ __kind = "Function";
+ break;
case _Rope_constants::_S_substringfn:
- __kind = "Function representing substring";
- break;
+ __kind = "Function representing substring";
+ break;
default:
- __kind = "(corrupted kind field!)";
- }
-# ifdef __GC
+ __kind = "(corrupted kind field!)";
+ }
+#ifdef __GC
printf("%s %p (depth = %d, len = %ld) ",
__kind, __r, __r->_M_depth, __r->_M_size);
-# else
+#else
printf("%s %p (rc = %ld, depth = %d, len = %ld) ",
__kind, __r, __r->_M_ref_count, __r->_M_depth, __r->_M_size);
-# endif
- if (_S_is_one_byte_char_type((_CharT*)0)) {
- const int __max_len = 40;
- _Self_destruct_ptr __prefix(_S_substring(__r, 0, __max_len));
- _CharT __buffer[__max_len + 1];
- bool __too_big = __r->_M_size > __prefix->_M_size;
-
- _S_flatten(__prefix, __buffer);
- __buffer[__prefix->_M_size] = _S_eos((_CharT*)0);
- printf("%s%s\n",
- (char*)__buffer, __too_big? "...\n" : "\n");
- } else {
+#endif
+ if (_S_is_one_byte_char_type((_CharT*)0))
+ {
+ const int __max_len = 40;
+ _Self_destruct_ptr __prefix(_S_substring(__r, 0, __max_len));
+ _CharT __buffer[__max_len + 1];
+ bool __too_big = __r->_M_size > __prefix->_M_size;
+
+ _S_flatten(__prefix, __buffer);
+ __buffer[__prefix->_M_size] = _S_eos((_CharT*)0);
+ printf("%s%s\n", (char*)__buffer,
+ __too_big? "...\n" : "\n");
+ }
+ else
printf("\n");
}
}
-}
-
-template <class _CharT, class _Alloc>
-const unsigned long
-rope<_CharT,_Alloc>::_S_min_len[_Rope_constants::_S_max_rope_depth + 1] = {
-/* 0 */1, /* 1 */2, /* 2 */3, /* 3 */5, /* 4 */8, /* 5 */13, /* 6 */21,
-/* 7 */34, /* 8 */55, /* 9 */89, /* 10 */144, /* 11 */233, /* 12 */377,
-/* 13 */610, /* 14 */987, /* 15 */1597, /* 16 */2584, /* 17 */4181,
-/* 18 */6765, /* 19 */10946, /* 20 */17711, /* 21 */28657, /* 22 */46368,
-/* 23 */75025, /* 24 */121393, /* 25 */196418, /* 26 */317811,
-/* 27 */514229, /* 28 */832040, /* 29 */1346269, /* 30 */2178309,
-/* 31 */3524578, /* 32 */5702887, /* 33 */9227465, /* 34 */14930352,
-/* 35 */24157817, /* 36 */39088169, /* 37 */63245986, /* 38 */102334155,
-/* 39 */165580141, /* 40 */267914296, /* 41 */433494437,
-/* 42 */701408733, /* 43 */1134903170, /* 44 */1836311903,
-/* 45 */2971215073u };
-// These are Fibonacci numbers < 2**32.
-
-template <class _CharT, class _Alloc>
-typename rope<_CharT,_Alloc>::_RopeRep*
-rope<_CharT,_Alloc>::_S_balance(_RopeRep* __r)
-{
- _RopeRep* __forest[_Rope_constants::_S_max_rope_depth + 1];
- _RopeRep* __result = 0;
- int __i;
- // Invariant:
- // The concatenation of forest in descending order is equal to __r.
- // __forest[__i]._M_size >= _S_min_len[__i]
- // __forest[__i]._M_depth = __i
- // References from forest are included in refcount.
-
- for (__i = 0; __i <= _Rope_constants::_S_max_rope_depth; ++__i)
- __forest[__i] = 0;
- try {
- _S_add_to_forest(__r, __forest);
- for (__i = 0; __i <= _Rope_constants::_S_max_rope_depth; ++__i)
- if (0 != __forest[__i]) {
-# ifndef __GC
- _Self_destruct_ptr __old(__result);
-# endif
- __result = _S_concat(__forest[__i], __result);
- __forest[__i]->_M_unref_nonnil();
-# if !defined(__GC) && defined(__EXCEPTIONS)
- __forest[__i] = 0;
-# endif
- }
- }
- catch(...)
- {
- for(__i = 0; __i <= _Rope_constants::_S_max_rope_depth; __i++)
- _S_unref(__forest[__i]);
- __throw_exception_again;
- }
-
- if (__result->_M_depth > _Rope_constants::_S_max_rope_depth)
- __throw_length_error(__N("rope::_S_balance"));
- return(__result);
-}
-
-template <class _CharT, class _Alloc>
-void
-rope<_CharT,_Alloc>::_S_add_to_forest(_RopeRep* __r, _RopeRep** __forest)
-{
- if (__r->_M_is_balanced) {
- _S_add_leaf_to_forest(__r, __forest);
- return;
+ template <class _CharT, class _Alloc>
+ const unsigned long
+ rope<_CharT, _Alloc>::
+ _S_min_len[_Rope_constants::_S_max_rope_depth + 1] = {
+ /* 0 */1, /* 1 */2, /* 2 */3, /* 3 */5, /* 4 */8, /* 5 */13, /* 6 */21,
+ /* 7 */34, /* 8 */55, /* 9 */89, /* 10 */144, /* 11 */233, /* 12 */377,
+ /* 13 */610, /* 14 */987, /* 15 */1597, /* 16 */2584, /* 17 */4181,
+ /* 18 */6765, /* 19 */10946, /* 20 */17711, /* 21 */28657, /* 22 */46368,
+ /* 23 */75025, /* 24 */121393, /* 25 */196418, /* 26 */317811,
+ /* 27 */514229, /* 28 */832040, /* 29 */1346269, /* 30 */2178309,
+ /* 31 */3524578, /* 32 */5702887, /* 33 */9227465, /* 34 */14930352,
+ /* 35 */24157817, /* 36 */39088169, /* 37 */63245986, /* 38 */102334155,
+ /* 39 */165580141, /* 40 */267914296, /* 41 */433494437,
+ /* 42 */701408733, /* 43 */1134903170, /* 44 */1836311903,
+ /* 45 */2971215073u };
+ // These are Fibonacci numbers < 2**32.
+
+ template <class _CharT, class _Alloc>
+ typename rope<_CharT, _Alloc>::_RopeRep*
+ rope<_CharT, _Alloc>::
+ _S_balance(_RopeRep* __r)
+ {
+ _RopeRep* __forest[_Rope_constants::_S_max_rope_depth + 1];
+ _RopeRep* __result = 0;
+ int __i;
+ // Invariant:
+ // The concatenation of forest in descending order is equal to __r.
+ // __forest[__i]._M_size >= _S_min_len[__i]
+ // __forest[__i]._M_depth = __i
+ // References from forest are included in refcount.
+
+ for (__i = 0; __i <= _Rope_constants::_S_max_rope_depth; ++__i)
+ __forest[__i] = 0;
+ try
+ {
+ _S_add_to_forest(__r, __forest);
+ for (__i = 0; __i <= _Rope_constants::_S_max_rope_depth; ++__i)
+ if (0 != __forest[__i])
+ {
+#ifndef __GC
+ _Self_destruct_ptr __old(__result);
+#endif
+ __result = _S_concat(__forest[__i], __result);
+ __forest[__i]->_M_unref_nonnil();
+#if !defined(__GC) && defined(__EXCEPTIONS)
+ __forest[__i] = 0;
+#endif
+ }
+ }
+ catch(...)
+ {
+ for(__i = 0; __i <= _Rope_constants::_S_max_rope_depth; __i++)
+ _S_unref(__forest[__i]);
+ __throw_exception_again;
+ }
+
+ if (__result->_M_depth > _Rope_constants::_S_max_rope_depth)
+ __throw_length_error(__N("rope::_S_balance"));
+ return(__result);
}
+ template <class _CharT, class _Alloc>
+ void
+ rope<_CharT, _Alloc>::
+ _S_add_to_forest(_RopeRep* __r, _RopeRep** __forest)
{
- _RopeConcatenation* __c = (_RopeConcatenation*)__r;
+ if (__r->_M_is_balanced)
+ {
+ _S_add_leaf_to_forest(__r, __forest);
+ return;
+ }
+ {
+ _RopeConcatenation* __c = (_RopeConcatenation*)__r;
+
_S_add_to_forest(__c->_M_left, __forest);
_S_add_to_forest(__c->_M_right, __forest);
+ }
}
-}
-template <class _CharT, class _Alloc>
-void
-rope<_CharT,_Alloc>::_S_add_leaf_to_forest(_RopeRep* __r, _RopeRep** __forest)
-{
- _RopeRep* __insertee; // included in refcount
- _RopeRep* __too_tiny = 0; // included in refcount
- int __i; // forest[0..__i-1] is empty
- size_t __s = __r->_M_size;
-
- for (__i = 0; __s >= _S_min_len[__i+1]/* not this bucket */; ++__i) {
- if (0 != __forest[__i]) {
-# ifndef __GC
+ template <class _CharT, class _Alloc>
+ void
+ rope<_CharT, _Alloc>::
+ _S_add_leaf_to_forest(_RopeRep* __r, _RopeRep** __forest)
+ {
+ _RopeRep* __insertee; // included in refcount
+ _RopeRep* __too_tiny = 0; // included in refcount
+ int __i; // forest[0..__i-1] is empty
+ size_t __s = __r->_M_size;
+
+ for (__i = 0; __s >= _S_min_len[__i+1]/* not this bucket */; ++__i)
+ {
+ if (0 != __forest[__i])
+ {
+#ifndef __GC
_Self_destruct_ptr __old(__too_tiny);
-# endif
- __too_tiny = _S_concat_and_set_balanced(__forest[__i], __too_tiny);
- __forest[__i]->_M_unref_nonnil();
- __forest[__i] = 0;
+#endif
+ __too_tiny = _S_concat_and_set_balanced(__forest[__i],
+ __too_tiny);
+ __forest[__i]->_M_unref_nonnil();
+ __forest[__i] = 0;
+ }
}
- }
- {
-# ifndef __GC
- _Self_destruct_ptr __old(__too_tiny);
-# endif
+ {
+#ifndef __GC
+ _Self_destruct_ptr __old(__too_tiny);
+#endif
__insertee = _S_concat_and_set_balanced(__too_tiny, __r);
- }
- // Too_tiny dead, and no longer included in refcount.
- // Insertee is live and included.
- for (;; ++__i) {
- if (0 != __forest[__i]) {
-# ifndef __GC
+ }
+ // Too_tiny dead, and no longer included in refcount.
+ // Insertee is live and included.
+ for (;; ++__i)
+ {
+ if (0 != __forest[__i])
+ {
+#ifndef __GC
_Self_destruct_ptr __old(__insertee);
-# endif
- __insertee = _S_concat_and_set_balanced(__forest[__i], __insertee);
- __forest[__i]->_M_unref_nonnil();
- __forest[__i] = 0;
- }
- if (__i == _Rope_constants::_S_max_rope_depth ||
- __insertee->_M_size < _S_min_len[__i+1]) {
- __forest[__i] = __insertee;
- // refcount is OK since __insertee is now dead.
- return;
+#endif
+ __insertee = _S_concat_and_set_balanced(__forest[__i],
+ __insertee);
+ __forest[__i]->_M_unref_nonnil();
+ __forest[__i] = 0;
+ }
+ if (__i == _Rope_constants::_S_max_rope_depth
+ || __insertee->_M_size < _S_min_len[__i+1])
+ {
+ __forest[__i] = __insertee;
+ // refcount is OK since __insertee is now dead.
+ return;
+ }
}
}
-}
-
-template <class _CharT, class _Alloc>
-_CharT
-rope<_CharT,_Alloc>::_S_fetch(_RopeRep* __r, size_type __i)
-{
- __GC_CONST _CharT* __cstr = __r->_M_c_string;
- if (0 != __cstr) return __cstr[__i];
- for(;;) {
- switch(__r->_M_tag) {
- case _Rope_constants::_S_concat:
+ template <class _CharT, class _Alloc>
+ _CharT
+ rope<_CharT, _Alloc>::
+ _S_fetch(_RopeRep* __r, size_type __i)
+ {
+ __GC_CONST _CharT* __cstr = __r->_M_c_string;
+
+ if (0 != __cstr)
+ return __cstr[__i];
+ for(;;)
+ {
+ switch(__r->_M_tag)
{
+ case _Rope_constants::_S_concat:
+ {
_RopeConcatenation* __c = (_RopeConcatenation*)__r;
_RopeRep* __left = __c->_M_left;
size_t __left_len = __left->_M_size;
-
- if (__i >= __left_len) {
+
+ if (__i >= __left_len)
+ {
__i -= __left_len;
__r = __c->_M_right;
- } else {
- __r = __left;
- }
- }
- break;
- case _Rope_constants::_S_leaf:
- {
+ }
+ else
+ __r = __left;
+ }
+ break;
+ case _Rope_constants::_S_leaf:
+ {
_RopeLeaf* __l = (_RopeLeaf*)__r;
return __l->_M_data[__i];
- }
- case _Rope_constants::_S_function:
- case _Rope_constants::_S_substringfn:
- {
+ }
+ case _Rope_constants::_S_function:
+ case _Rope_constants::_S_substringfn:
+ {
_RopeFunction* __f = (_RopeFunction*)__r;
_CharT __result;
-
+
(*(__f->_M_fn))(__i, 1, &__result);
return __result;
+ }
}
- }
+ }
}
-}
-
-# ifndef __GC
-// Return a uniquely referenced character slot for the given
-// position, or 0 if that's not possible.
-template <class _CharT, class _Alloc>
-_CharT*
-rope<_CharT,_Alloc>::_S_fetch_ptr(_RopeRep* __r, size_type __i)
-{
- _RopeRep* __clrstack[_Rope_constants::_S_max_rope_depth];
- size_t __csptr = 0;
-
- for(;;) {
- if (__r->_M_ref_count > 1) return 0;
- switch(__r->_M_tag) {
- case _Rope_constants::_S_concat:
+
+#ifndef __GC
+ // Return a uniquely referenced character slot for the given
+ // position, or 0 if that's not possible.
+ template <class _CharT, class _Alloc>
+ _CharT*
+ rope<_CharT, _Alloc>::
+ _S_fetch_ptr(_RopeRep* __r, size_type __i)
+ {
+ _RopeRep* __clrstack[_Rope_constants::_S_max_rope_depth];
+ size_t __csptr = 0;
+
+ for(;;)
+ {
+ if (__r->_M_ref_count > 1)
+ return 0;
+ switch(__r->_M_tag)
{
+ case _Rope_constants::_S_concat:
+ {
_RopeConcatenation* __c = (_RopeConcatenation*)__r;
_RopeRep* __left = __c->_M_left;
size_t __left_len = __left->_M_size;
-
- if (__c->_M_c_string != 0) __clrstack[__csptr++] = __c;
- if (__i >= __left_len) {
+
+ if (__c->_M_c_string != 0)
+ __clrstack[__csptr++] = __c;
+ if (__i >= __left_len)
+ {
__i -= __left_len;
__r = __c->_M_right;
- } else {
- __r = __left;
- }
- }
- break;
- case _Rope_constants::_S_leaf:
- {
+ }
+ else
+ __r = __left;
+ }
+ break;
+ case _Rope_constants::_S_leaf:
+ {
_RopeLeaf* __l = (_RopeLeaf*)__r;
if (__l->_M_c_string != __l->_M_data && __l->_M_c_string != 0)
- __clrstack[__csptr++] = __l;
- while (__csptr > 0) {
+ __clrstack[__csptr++] = __l;
+ while (__csptr > 0)
+ {
-- __csptr;
_RopeRep* __d = __clrstack[__csptr];
__d->_M_free_c_string();
__d->_M_c_string = 0;
- }
+ }
return __l->_M_data + __i;
+ }
+ case _Rope_constants::_S_function:
+ case _Rope_constants::_S_substringfn:
+ return 0;
}
- case _Rope_constants::_S_function:
- case _Rope_constants::_S_substringfn:
- return 0;
- }
+ }
}
-}
-# endif /* __GC */
-
-// The following could be implemented trivially using
-// lexicographical_compare_3way.
-// We do a little more work to avoid dealing with rope iterators for
-// flat strings.
-template <class _CharT, class _Alloc>
-int
-rope<_CharT,_Alloc>::_S_compare (const _RopeRep* __left,
- const _RopeRep* __right)
-{
- size_t __left_len;
- size_t __right_len;
-
- if (0 == __right) return 0 != __left;
- if (0 == __left) return -1;
- __left_len = __left->_M_size;
- __right_len = __right->_M_size;
- if (_Rope_constants::_S_leaf == __left->_M_tag) {
- _RopeLeaf* __l = (_RopeLeaf*) __left;
- if (_RopeRep::_S_leaf == __right->_M_tag) {
- _RopeLeaf* __r = (_RopeLeaf*) __right;
- return lexicographical_compare_3way(
- __l->_M_data, __l->_M_data + __left_len,
- __r->_M_data, __r->_M_data + __right_len);
- } else {
- const_iterator __rstart(__right, 0);
- const_iterator __rend(__right, __right_len);
- return lexicographical_compare_3way(
- __l->_M_data, __l->_M_data + __left_len,
- __rstart, __rend);
+#endif /* __GC */
+
+ // The following could be implemented trivially using
+ // lexicographical_compare_3way.
+ // We do a little more work to avoid dealing with rope iterators for
+ // flat strings.
+ template <class _CharT, class _Alloc>
+ int
+ rope<_CharT, _Alloc>::
+ _S_compare (const _RopeRep* __left, const _RopeRep* __right)
+ {
+ size_t __left_len;
+ size_t __right_len;
+
+ if (0 == __right)
+ return 0 != __left;
+ if (0 == __left)
+ return -1;
+ __left_len = __left->_M_size;
+ __right_len = __right->_M_size;
+ if (_Rope_constants::_S_leaf == __left->_M_tag)
+ {
+ _RopeLeaf* __l = (_RopeLeaf*) __left;
+ if (_RopeRep::_S_leaf == __right->_M_tag)
+ {
+ _RopeLeaf* __r = (_RopeLeaf*) __right;
+ return lexicographical_compare_3way(__l->_M_data,
+ __l->_M_data + __left_len,
+ __r->_M_data, __r->_M_data
+ + __right_len);
+ }
+ else
+ {
+ const_iterator __rstart(__right, 0);
+ const_iterator __rend(__right, __right_len);
+ return lexicographical_compare_3way(__l->_M_data, __l->_M_data
+ + __left_len,
+ __rstart, __rend);
+ }
}
- } else {
- const_iterator __lstart(__left, 0);
- const_iterator __lend(__left, __left_len);
- if (_Rope_constants::_S_leaf == __right->_M_tag) {
- _RopeLeaf* __r = (_RopeLeaf*) __right;
- return lexicographical_compare_3way(
- __lstart, __lend,
- __r->_M_data, __r->_M_data + __right_len);
- } else {
- const_iterator __rstart(__right, 0);
- const_iterator __rend(__right, __right_len);
- return lexicographical_compare_3way(
- __lstart, __lend,
- __rstart, __rend);
+ else
+ {
+ const_iterator __lstart(__left, 0);
+ const_iterator __lend(__left, __left_len);
+ if (_Rope_constants::_S_leaf == __right->_M_tag)
+ {
+ _RopeLeaf* __r = (_RopeLeaf*) __right;
+ return lexicographical_compare_3way(__lstart, __lend,
+ __r->_M_data, __r->_M_data
+ + __right_len);
+ }
+ else
+ {
+ const_iterator __rstart(__right, 0);
+ const_iterator __rend(__right, __right_len);
+ return lexicographical_compare_3way(__lstart, __lend,
+ __rstart, __rend);
+ }
}
}
-}
-
-// Assignment to reference proxies.
-template <class _CharT, class _Alloc>
-_Rope_char_ref_proxy<_CharT, _Alloc>&
-_Rope_char_ref_proxy<_CharT, _Alloc>::operator= (_CharT __c) {
- _RopeRep* __old = _M_root->_M_tree_ptr;
-# ifndef __GC
- // First check for the case in which everything is uniquely
- // referenced. In that case we can do this destructively.
- _CharT* __ptr = _My_rope::_S_fetch_ptr(__old, _M_pos);
- if (0 != __ptr) {
- *__ptr = __c;
- return *this;
+
+ // Assignment to reference proxies.
+ template <class _CharT, class _Alloc>
+ _Rope_char_ref_proxy<_CharT, _Alloc>&
+ _Rope_char_ref_proxy<_CharT, _Alloc>::
+ operator=(_CharT __c)
+ {
+ _RopeRep* __old = _M_root->_M_tree_ptr;
+#ifndef __GC
+ // First check for the case in which everything is uniquely
+ // referenced. In that case we can do this destructively.
+ _CharT* __ptr = _My_rope::_S_fetch_ptr(__old, _M_pos);
+ if (0 != __ptr)
+ {
+ *__ptr = __c;
+ return *this;
}
-# endif
- _Self_destruct_ptr __left(
- _My_rope::_S_substring(__old, 0, _M_pos));
- _Self_destruct_ptr __right(
- _My_rope::_S_substring(__old, _M_pos+1, __old->_M_size));
- _Self_destruct_ptr __result_left(
- _My_rope::_S_destr_concat_char_iter(__left, &__c, 1));
-
- _RopeRep* __result =
- _My_rope::_S_concat(__result_left, __right);
-# ifndef __GC
+#endif
+ _Self_destruct_ptr __left(_My_rope::_S_substring(__old, 0, _M_pos));
+ _Self_destruct_ptr __right(_My_rope::_S_substring(__old, _M_pos + 1,
+ __old->_M_size));
+ _Self_destruct_ptr __result_left(_My_rope::
+ _S_destr_concat_char_iter(__left,
+ &__c, 1));
+
+ _RopeRep* __result = _My_rope::_S_concat(__result_left, __right);
+#ifndef __GC
_RopeRep::_S_unref(__old);
-# endif
- _M_root->_M_tree_ptr = __result;
- return *this;
-}
+#endif
+ _M_root->_M_tree_ptr = __result;
+ return *this;
+ }
-template <class _CharT, class _Alloc>
-inline _Rope_char_ref_proxy<_CharT, _Alloc>::operator _CharT () const
-{
- if (_M_current_valid) {
+ template <class _CharT, class _Alloc>
+ inline _Rope_char_ref_proxy<_CharT, _Alloc>::
+ operator _CharT() const
+ {
+ if (_M_current_valid)
return _M_current;
- } else {
- return _My_rope::_S_fetch(_M_root->_M_tree_ptr, _M_pos);
+ else
+ return _My_rope::_S_fetch(_M_root->_M_tree_ptr, _M_pos);
}
-}
-template <class _CharT, class _Alloc>
-_Rope_char_ptr_proxy<_CharT, _Alloc>
-_Rope_char_ref_proxy<_CharT, _Alloc>::operator& () const {
- return _Rope_char_ptr_proxy<_CharT, _Alloc>(*this);
-}
-
-template <class _CharT, class _Alloc>
-rope<_CharT, _Alloc>::rope(size_t __n, _CharT __c,
- const allocator_type& __a)
-: _Base(__a)
-{
- rope<_CharT,_Alloc> __result;
- const size_t __exponentiate_threshold = 32;
- size_t __exponent;
- size_t __rest;
- _CharT* __rest_buffer;
- _RopeRep* __remainder;
- rope<_CharT,_Alloc> __remainder_rope;
-
- if (0 == __n)
- return;
-
- __exponent = __n / __exponentiate_threshold;
- __rest = __n % __exponentiate_threshold;
- if (0 == __rest) {
+
+ template <class _CharT, class _Alloc>
+ _Rope_char_ptr_proxy<_CharT, _Alloc>
+ _Rope_char_ref_proxy<_CharT, _Alloc>::
+ operator&() const
+ { return _Rope_char_ptr_proxy<_CharT, _Alloc>(*this); }
+
+ template <class _CharT, class _Alloc>
+ rope<_CharT, _Alloc>::
+ rope(size_t __n, _CharT __c, const allocator_type& __a)
+ : _Base(__a)
+ {
+ rope<_CharT,_Alloc> __result;
+ const size_t __exponentiate_threshold = 32;
+ size_t __exponent;
+ size_t __rest;
+ _CharT* __rest_buffer;
+ _RopeRep* __remainder;
+ rope<_CharT, _Alloc> __remainder_rope;
+
+ if (0 == __n)
+ return;
+
+ __exponent = __n / __exponentiate_threshold;
+ __rest = __n % __exponentiate_threshold;
+ if (0 == __rest)
__remainder = 0;
- } else {
- __rest_buffer = this->_Data_allocate(_S_rounded_up_size(__rest));
- uninitialized_fill_n(__rest_buffer, __rest, __c);
- _S_cond_store_eos(__rest_buffer[__rest]);
- try {
- __remainder = _S_new_RopeLeaf(__rest_buffer, __rest, __a);
- }
- catch(...)
- {
- _RopeRep::__STL_FREE_STRING(__rest_buffer, __rest, __a);
- __throw_exception_again;
- }
- }
- __remainder_rope._M_tree_ptr = __remainder;
- if (__exponent != 0) {
- _CharT* __base_buffer =
- this->_Data_allocate(_S_rounded_up_size(__exponentiate_threshold));
- _RopeLeaf* __base_leaf;
- rope __base_rope;
- uninitialized_fill_n(__base_buffer, __exponentiate_threshold, __c);
- _S_cond_store_eos(__base_buffer[__exponentiate_threshold]);
- try {
- __base_leaf = _S_new_RopeLeaf(__base_buffer,
- __exponentiate_threshold, __a);
- }
- catch(...)
- {
- _RopeRep::__STL_FREE_STRING(__base_buffer,
- __exponentiate_threshold, __a);
- __throw_exception_again;
- }
- __base_rope._M_tree_ptr = __base_leaf;
- if (1 == __exponent) {
- __result = __base_rope;
- } else {
- __result = power(__base_rope, __exponent,
- _Rope_Concat_fn<_CharT,_Alloc>());
+ else
+ {
+ __rest_buffer = this->_Data_allocate(_S_rounded_up_size(__rest));
+ uninitialized_fill_n(__rest_buffer, __rest, __c);
+ _S_cond_store_eos(__rest_buffer[__rest]);
+ try
+ { __remainder = _S_new_RopeLeaf(__rest_buffer, __rest, __a); }
+ catch(...)
+ {
+ _RopeRep::__STL_FREE_STRING(__rest_buffer, __rest, __a);
+ __throw_exception_again;
+ }
}
- if (0 != __remainder) {
- __result += __remainder_rope;
+ __remainder_rope._M_tree_ptr = __remainder;
+ if (__exponent != 0)
+ {
+ _CharT* __base_buffer =
+ this->_Data_allocate(_S_rounded_up_size(__exponentiate_threshold));
+ _RopeLeaf* __base_leaf;
+ rope __base_rope;
+ uninitialized_fill_n(__base_buffer, __exponentiate_threshold, __c);
+ _S_cond_store_eos(__base_buffer[__exponentiate_threshold]);
+ try
+ {
+ __base_leaf = _S_new_RopeLeaf(__base_buffer,
+ __exponentiate_threshold, __a);
+ }
+ catch(...)
+ {
+ _RopeRep::__STL_FREE_STRING(__base_buffer,
+ __exponentiate_threshold, __a);
+ __throw_exception_again;
+ }
+ __base_rope._M_tree_ptr = __base_leaf;
+ if (1 == __exponent)
+ __result = __base_rope;
+ else
+ __result = power(__base_rope, __exponent,
+ _Rope_Concat_fn<_CharT, _Alloc>());
+
+ if (0 != __remainder)
+ __result += __remainder_rope;
}
- } else {
+ else
__result = __remainder_rope;
+
+ this->_M_tree_ptr = __result._M_tree_ptr;
+ this->_M_tree_ptr->_M_ref_nonnil();
}
- this->_M_tree_ptr = __result._M_tree_ptr;
- this->_M_tree_ptr->_M_ref_nonnil();
-}
-
-template<class _CharT, class _Alloc>
- _CharT rope<_CharT,_Alloc>::_S_empty_c_str[1];
-
-template<class _CharT, class _Alloc>
-const _CharT* rope<_CharT,_Alloc>::c_str() const {
- if (0 == this->_M_tree_ptr) {
- _S_empty_c_str[0] = _S_eos((_CharT*)0); // Possibly redundant,
- // but probably fast.
- return _S_empty_c_str;
- }
- __gthread_mutex_lock (&this->_M_tree_ptr->_M_c_string_lock);
- __GC_CONST _CharT* __result = this->_M_tree_ptr->_M_c_string;
- if (0 == __result)
- {
- size_t __s = size();
- __result = this->_Data_allocate(__s + 1);
- _S_flatten(this->_M_tree_ptr, __result);
- __result[__s] = _S_eos((_CharT*)0);
- this->_M_tree_ptr->_M_c_string = __result;
- }
- __gthread_mutex_unlock (&this->_M_tree_ptr->_M_c_string_lock);
- return(__result);
-}
-
-template<class _CharT, class _Alloc>
-const _CharT* rope<_CharT,_Alloc>::replace_with_c_str() {
- if (0 == this->_M_tree_ptr) {
- _S_empty_c_str[0] = _S_eos((_CharT*)0);
- return _S_empty_c_str;
+
+ template<class _CharT, class _Alloc>
+ _CharT
+ rope<_CharT, _Alloc>::_S_empty_c_str[1];
+
+ template<class _CharT, class _Alloc>
+ const _CharT*
+ rope<_CharT, _Alloc>::
+ c_str() const
+ {
+ if (0 == this->_M_tree_ptr)
+ {
+ _S_empty_c_str[0] = _S_eos((_CharT*)0); // Possibly redundant,
+ // but probably fast.
+ return _S_empty_c_str;
+ }
+ __gthread_mutex_lock (&this->_M_tree_ptr->_M_c_string_lock);
+ __GC_CONST _CharT* __result = this->_M_tree_ptr->_M_c_string;
+ if (0 == __result)
+ {
+ size_t __s = size();
+ __result = this->_Data_allocate(__s + 1);
+ _S_flatten(this->_M_tree_ptr, __result);
+ __result[__s] = _S_eos((_CharT*)0);
+ this->_M_tree_ptr->_M_c_string = __result;
+ }
+ __gthread_mutex_unlock (&this->_M_tree_ptr->_M_c_string_lock);
+ return(__result);
}
- __GC_CONST _CharT* __old_c_string = this->_M_tree_ptr->_M_c_string;
- if (_Rope_constants::_S_leaf == this->_M_tree_ptr->_M_tag
- && 0 != __old_c_string) {
+
+ template<class _CharT, class _Alloc>
+ const _CharT* rope<_CharT, _Alloc>::
+ replace_with_c_str()
+ {
+ if (0 == this->_M_tree_ptr)
+ {
+ _S_empty_c_str[0] = _S_eos((_CharT*)0);
+ return _S_empty_c_str;
+ }
+ __GC_CONST _CharT* __old_c_string = this->_M_tree_ptr->_M_c_string;
+ if (_Rope_constants::_S_leaf == this->_M_tree_ptr->_M_tag
+ && 0 != __old_c_string)
return(__old_c_string);
+ size_t __s = size();
+ _CharT* __result = this->_Data_allocate(_S_rounded_up_size(__s));
+ _S_flatten(this->_M_tree_ptr, __result);
+ __result[__s] = _S_eos((_CharT*)0);
+ this->_M_tree_ptr->_M_unref_nonnil();
+ this->_M_tree_ptr = _S_new_RopeLeaf(__result, __s,
+ this->get_allocator());
+ return(__result);
+ }
+
+ // Algorithm specializations. More should be added.
+
+ template<class _Rope_iterator> // was templated on CharT and Alloc
+ void // VC++ workaround
+ _Rope_rotate(_Rope_iterator __first,
+ _Rope_iterator __middle,
+ _Rope_iterator __last)
+ {
+ typedef typename _Rope_iterator::value_type _CharT;
+ typedef typename _Rope_iterator::_allocator_type _Alloc;
+
+ rope<_CharT, _Alloc>& __r(__first.container());
+ rope<_CharT, _Alloc> __prefix = __r.substr(0, __first.index());
+ rope<_CharT, _Alloc> __suffix =
+ __r.substr(__last.index(), __r.size() - __last.index());
+ rope<_CharT, _Alloc> __part1 =
+ __r.substr(__middle.index(), __last.index() - __middle.index());
+ rope<_CharT, _Alloc> __part2 =
+ __r.substr(__first.index(), __middle.index() - __first.index());
+ __r = __prefix;
+ __r += __part1;
+ __r += __part2;
+ __r += __suffix;
}
- size_t __s = size();
- _CharT* __result = this->_Data_allocate(_S_rounded_up_size(__s));
- _S_flatten(this->_M_tree_ptr, __result);
- __result[__s] = _S_eos((_CharT*)0);
- this->_M_tree_ptr->_M_unref_nonnil();
- this->_M_tree_ptr = _S_new_RopeLeaf(__result, __s, this->get_allocator());
- return(__result);
-}
-
-// Algorithm specializations. More should be added.
-
-template<class _Rope_iterator> // was templated on CharT and Alloc
-void // VC++ workaround
-_Rope_rotate(_Rope_iterator __first,
- _Rope_iterator __middle,
- _Rope_iterator __last)
-{
- typedef typename _Rope_iterator::value_type _CharT;
- typedef typename _Rope_iterator::_allocator_type _Alloc;
-
- rope<_CharT,_Alloc>& __r(__first.container());
- rope<_CharT,_Alloc> __prefix = __r.substr(0, __first.index());
- rope<_CharT,_Alloc> __suffix =
- __r.substr(__last.index(), __r.size() - __last.index());
- rope<_CharT,_Alloc> __part1 =
- __r.substr(__middle.index(), __last.index() - __middle.index());
- rope<_CharT,_Alloc> __part2 =
- __r.substr(__first.index(), __middle.index() - __first.index());
- __r = __prefix;
- __r += __part1;
- __r += __part2;
- __r += __suffix;
-}
#if !defined(__GNUC__)
-// Appears to confuse g++
-inline void rotate(_Rope_iterator<char,__STL_DEFAULT_ALLOCATOR(char)> __first,
- _Rope_iterator<char,__STL_DEFAULT_ALLOCATOR(char)> __middle,
- _Rope_iterator<char,__STL_DEFAULT_ALLOCATOR(char)> __last) {
- _Rope_rotate(__first, __middle, __last);
-}
+ // Appears to confuse g++
+ inline void
+ rotate(_Rope_iterator<char, __STL_DEFAULT_ALLOCATOR(char)> __first,
+ _Rope_iterator<char, __STL_DEFAULT_ALLOCATOR(char)> __middle,
+ _Rope_iterator<char, __STL_DEFAULT_ALLOCATOR(char)> __last)
+ { _Rope_rotate(__first, __middle, __last); }
#endif
# if 0
-// Probably not useful for several reasons:
-// - for SGIs 7.1 compiler and probably some others,
-// this forces lots of rope<wchar_t, ...> instantiations, creating a
-// code bloat and compile time problem. (Fixed in 7.2.)
-// - wchar_t is 4 bytes wide on most UNIX platforms, making it unattractive
-// for unicode strings. Unsigned short may be a better character
-// type.
-inline void rotate(
- _Rope_iterator<wchar_t,__STL_DEFAULT_ALLOCATOR(char)> __first,
- _Rope_iterator<wchar_t,__STL_DEFAULT_ALLOCATOR(char)> __middle,
- _Rope_iterator<wchar_t,__STL_DEFAULT_ALLOCATOR(char)> __last) {
- _Rope_rotate(__first, __middle, __last);
-}
+ // Probably not useful for several reasons:
+ // - for SGIs 7.1 compiler and probably some others,
+ // this forces lots of rope<wchar_t, ...> instantiations, creating a
+ // code bloat and compile time problem. (Fixed in 7.2.)
+ // - wchar_t is 4 bytes wide on most UNIX platforms, making it
+ // unattractive for unicode strings. Unsigned short may be a better
+ // character type.
+ inline void
+ rotate(_Rope_iterator<wchar_t, __STL_DEFAULT_ALLOCATOR(char)> __first,
+ _Rope_iterator<wchar_t, __STL_DEFAULT_ALLOCATOR(char)> __middle,
+ _Rope_iterator<wchar_t, __STL_DEFAULT_ALLOCATOR(char)> __last)
+ { _Rope_rotate(__first, __middle, __last); }
# endif
} // namespace __gnu_cxx
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