2 * Copyright (c) 2003 The Regents of The University of Michigan
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29 #ifndef __CPRINTF_FORMATS_HH__
30 #define __CPRINTF_FORMATS_HH__
40 enum { dec, hex, oct } base;
41 enum { none, string, integer, character, floating } format;
42 enum { best, fixed, scientific } float_format;
50 alternate_form = false;
65 _format_char(std::ostream &out, const T &data, Format &fmt)
74 _format_integer(std::ostream &out, const T &data, Format &fmt)
80 out.setf(ios::hex, ios::basefield);
84 out.setf(ios::oct, ios::basefield);
88 out.setf(ios::dec, ios::basefield);
92 if (fmt.alternate_form) {
94 out.setf(ios::showbase);
115 out.width(fmt.width);
117 if (fmt.flush_left && !fmt.fill_zero)
121 out.setf(ios::showpos);
124 out.setf(ios::uppercase);
129 template <typename T>
131 _format_float(std::ostream &out, const T &data, Format &fmt)
135 switch (fmt.float_format) {
136 case Format::scientific:
137 if (fmt.precision != -1) {
139 out.width(fmt.width);
141 if (fmt.precision == 0)
144 out.setf(ios::scientific);
146 out.precision(fmt.precision);
149 out.width(fmt.width);
152 out.setf(ios::uppercase);
156 if (fmt.precision != -1) {
158 out.width(fmt.width);
160 out.setf(ios::fixed);
161 out.precision(fmt.precision);
164 out.width(fmt.width);
169 if (fmt.precision != -1)
170 out.precision(fmt.precision);
173 out.width(fmt.width);
181 template <typename T>
183 _format_string(std::ostream &out, const T &data, Format &fmt)
187 #if defined(__GNUC__) && (__GNUC__ < 3) || 1
189 std::stringstream foo;
191 int flen = foo.str().size();
193 if (fmt.width > flen) {
194 char *spaces = new char[fmt.width - flen + 1];
195 memset(spaces, ' ', fmt.width - flen);
196 spaces[fmt.width - flen] = 0;
199 out << foo.str() << spaces;
201 out << spaces << foo.str();
210 out.width(fmt.width);
218 /////////////////////////////////////////////////////////////////////////////
220 // The code below controls the actual usage of formats for various types
226 template <typename T>
228 format_char(std::ostream &out, const T &data, Format &fmt)
229 { out << "<bad arg type for char format>"; }
232 format_char(std::ostream &out, char data, Format &fmt)
233 { _format_char(out, data, fmt); }
236 format_char(std::ostream &out, unsigned char data, Format &fmt)
237 { _format_char(out, data, fmt); }
240 format_char(std::ostream &out, signed char data, Format &fmt)
241 { _format_char(out, data, fmt); }
244 format_char(std::ostream &out, short data, Format &fmt)
245 { _format_char(out, (char)data, fmt); }
248 format_char(std::ostream &out, unsigned short data, Format &fmt)
249 { _format_char(out, (char)data, fmt); }
252 format_char(std::ostream &out, int data, Format &fmt)
253 { _format_char(out, (char)data, fmt); }
256 format_char(std::ostream &out, unsigned int data, Format &fmt)
257 { _format_char(out, (char)data, fmt); }
260 format_char(std::ostream &out, long data, Format &fmt)
261 { _format_char(out, (char)data, fmt); }
264 format_char(std::ostream &out, unsigned long data, Format &fmt)
265 { _format_char(out, (char)data, fmt); }
268 format_char(std::ostream &out, long long data, Format &fmt)
269 { _format_char(out, (char)data, fmt); }
272 format_char(std::ostream &out, unsigned long long data, Format &fmt)
273 { _format_char(out, (char)data, fmt); }
278 template <typename T>
280 format_integer(std::ostream &out, const T &data, Format &fmt)
281 { _format_integer(out, data, fmt); }
285 format_integer(std::ostream &out, char data, Format &fmt)
286 { _format_integer(out, data, fmt); }
288 format_integer(std::ostream &out, unsigned char data, Format &fmt)
289 { _format_integer(out, data, fmt); }
291 format_integer(std::ostream &out, signed char data, Format &fmt)
292 { _format_integer(out, data, fmt); }
294 format_integer(std::ostream &out, short data, Format &fmt)
295 { _format_integer(out, data, fmt); }
297 format_integer(std::ostream &out, unsigned short data, Format &fmt)
298 { _format_integer(out, data, fmt); }
300 format_integer(std::ostream &out, int data, Format &fmt)
301 { _format_integer(out, data, fmt); }
303 format_integer(std::ostream &out, unsigned int data, Format &fmt)
304 { _format_integer(out, data, fmt); }
306 format_integer(std::ostream &out, long data, Format &fmt)
307 { _format_integer(out, data, fmt); }
309 format_integer(std::ostream &out, unsigned long data, Format &fmt)
310 { _format_integer(out, data, fmt); }
312 format_integer(std::ostream &out, long long data, Format &fmt)
313 { _format_integer(out, data, fmt); }
315 format_integer(std::ostream &out, unsigned long long data, Format &fmt)
316 { _format_integer(out, data, fmt); }
320 // floating point formats
322 template <typename T>
324 format_float(std::ostream &out, const T &data, Format &fmt)
325 { out << "<bad arg type for float format>"; }
328 format_float(std::ostream &out, float data, Format &fmt)
329 { _format_float(out, data, fmt); }
332 format_float(std::ostream &out, double data, Format &fmt)
333 { _format_float(out, data, fmt); }
338 template <typename T>
340 format_string(std::ostream &out, const T &data, Format &fmt)
341 { _format_string(out, data, fmt); }
344 format_string(std::ostream &out, const std::stringstream &data, Format &fmt)
345 { _format_string(out, data.str(), fmt); }
347 #endif // __CPRINTF_FORMATS_HH__