libjava/gcj/array.h

   1 // array.h - Header file for CNI arrays.  -*- c++ -*-
   2
   3 /* Copyright (C) 1998, 1999  Cygnus Solutions
   4
   5    This file is part of libgcj.
   6
   7 This software is copyrighted work licensed under the terms of the
   8 Libgcj License.  Please consult the file "LIBGCJ_LICENSE" for
   9 details.  */
  10
  11 #ifndef __GCJ_ARRAY_H__
  12 #define __GCJ_ARRAY_H__
  13
  14 #include <java/lang/Object.h>
  15
  16 extern "Java" {
  17
  18 class __JArray : public java::lang::Object
  19 {
  20 public:
  21   int length;
  22   friend jsize JvGetArrayLength (__JArray*);
  23 };
  24
  25 template<class T>
  26 class JArray : public __JArray
  27 {
  28   T data[0];
  29 public:
  30   friend T* elements<>(JArray<T>& x);
  31   friend T* elements<>(JArray<T>* x);
  32   // T* getData() { return data; }
  33   // T& operator[](jint i) { return data[i]; }
  34 };
  35
  36 template<class T>
  37 T* elements(JArray<T>& x) { return x.data; }
  38 template<class T>
  39 T* elements(JArray<T>* x) { return x->data; }
  40
  41 }; // end extern "Java"
  42
  43 /* These typesdefs match those in JNI. */
  44 typedef __JArray *jarray;
  45 typedef JArray<jobject> *jobjectArray;
  46 typedef JArray<jboolean> *jbooleanArray;
  47 typedef JArray<jbyte> *jbyteArray;
  48 typedef JArray<jchar> *jcharArray;
  49 typedef JArray<jshort> *jshortArray;
  50 typedef JArray<jint> *jintArray;
  51 typedef JArray<jlong> *jlongArray;
  52 typedef JArray<jfloat> *jfloatArray;
  53 typedef JArray<jdouble> *jdoubleArray;
  54 typedef JArray<jstring> *jstringArray;
  55
  56 extern "C" jbooleanArray JvNewBooleanArray (jint length);
  57 extern "C" jbyteArray JvNewByteArray (jint length);
  58 extern "C" jcharArray JvNewCharArray (jint length);
  59 extern "C" jshortArray JvNewShortArray (jint length);
  60 extern "C" jintArray JvNewIntArray (jint length);
  61 extern "C" jlongArray JvNewLongArray (jint length);
  62 extern "C" jfloatArray JvNewFloatArray (jint length);
  63 extern "C" jdoubleArray JvNewDoubleArray (jint length);
  64 extern "C" jobjectArray _Jv_NewObjectArray(jsize length, jclass, jobject init);
  65
  66 inline jobjectArray JvNewObjectArray (jsize length, jclass cls, jobject init)
  67 { return _Jv_NewObjectArray (length, cls, init); }
  68
  69 extern "C" jstringArray JvConvertArgv(int argc, const char **argv);
  70
  71 inline jsize JvGetArrayLength (jarray array) { return array->length; }
  72
  73 #endif /* __GCJ_ARRAY_H__ */