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 #pragma interface
  15
  16 #include <java/lang/Object.h>
  17
  18 extern "Java" {
  19
  20 class __JArray : public java::lang::Object
  21 {
  22 public:
  23   int length;
  24   friend jsize JvGetArrayLength (__JArray*);
  25 };
  26
  27 template<class T>
  28 class JArray : public __JArray
  29 {
  30   T data[0];
  31 public:
  32   friend T* elements<>(JArray<T>& x);
  33   friend T* elements<>(JArray<T>* x);
  34   // T* getData() { return data; }
  35   // T& operator[](jint i) { return data[i]; }
  36 };
  37
  38 template<class T>
  39 T* elements(JArray<T>& x) { return x.data; }
  40 template<class T>
  41 T* elements(JArray<T>* x) { return x->data; }
  42
  43 }; // end extern "Java"
  44
  45 /* These typesdefs match those in JNI. */
  46 typedef __JArray *jarray;
  47 typedef JArray<jobject> *jobjectArray;
  48 typedef JArray<jboolean> *jbooleanArray;
  49 typedef JArray<jbyte> *jbyteArray;
  50 typedef JArray<jchar> *jcharArray;
  51 typedef JArray<jshort> *jshortArray;
  52 typedef JArray<jint> *jintArray;
  53 typedef JArray<jlong> *jlongArray;
  54 typedef JArray<jfloat> *jfloatArray;
  55 typedef JArray<jdouble> *jdoubleArray;
  56 typedef JArray<jstring> *jstringArray;
  57
  58 extern "C" jbooleanArray JvNewBooleanArray (jint length);
  59 extern "C" jbyteArray JvNewByteArray (jint length);
  60 extern "C" jcharArray JvNewCharArray (jint length);
  61 extern "C" jshortArray JvNewShortArray (jint length);
  62 extern "C" jintArray JvNewIntArray (jint length);
  63 extern "C" jlongArray JvNewLongArray (jint length);
  64 extern "C" jfloatArray JvNewFloatArray (jint length);
  65 extern "C" jdoubleArray JvNewDoubleArray (jint length);
  66 extern "C" jobjectArray _Jv_NewObjectArray(jsize length, jclass, jobject init);
  67
  68 inline jobjectArray JvNewObjectArray (jsize length, jclass cls, jobject init)
  69 { return _Jv_NewObjectArray (length, cls, init); }
  70
  71 extern "C" jstringArray JvConvertArgv(int argc, const char **argv);
  72
  73 inline jsize JvGetArrayLength (jarray array) { return array->length; }
  74
  75 #endif /* __GCJ_ARRAY_H__ */