// natField.cc - Implementation of java.lang.reflect.Field native methods.

/* Copyright (C) 1999  Cygnus Solutions

   This file is part of libgcj.

This software is copyrighted work licensed under the terms of the
Libgcj License.  Please consult the file "LIBGCJ_LICENSE" for
details.  */

#include <config.h>

#include <stdlib.h>

#include <jvm.h>
#include <cni.h>
#include <java/lang/reflect/Array.h>
#include <java/lang/IllegalArgumentException.h>
#include <java/lang/Byte.h>
#include <java/lang/Short.h>
#include <java/lang/Integer.h>
#include <java/lang/Long.h>
#include <java/lang/Float.h>
#include <java/lang/Double.h>
#include <java/lang/Boolean.h>
#include <java/lang/Character.h>

jobject
java::lang::reflect::Array::newInstance (jclass componentType, jint length)
{
  if (componentType->isPrimitive())
    return _Jv_NewPrimArray (componentType, length);
  else
    return JvNewObjectArray (length, componentType, NULL);

}

jobject
java::lang::reflect::Array::newInstance (jclass componentType, jintArray dimensions)
{
  jint ndims = dimensions->length;
  if (ndims == 0)
    return componentType->newInstance ();
  jint* dims = elements (dimensions);
  if (ndims == 1)
    return newInstance (componentType, dims[0]);
  jclass arrayType = componentType;
  for (int i = 0;  i < ndims;  i++)  // FIXME 2nd arg should 
                                     // be "current" loader
    arrayType = _Jv_FindArrayClass (arrayType, 0);

  return _Jv_NewMultiArray (arrayType, ndims, dims);
}

jint
java::lang::reflect::Array::getLength (jobject array)
{
  jclass arrayType = array->getClass();
  if (! arrayType->isArray ())
    JvThrow (new java::lang::IllegalArgumentException());
  return ((__JArray*) array)->length;
}

jclass
java::lang::reflect::Array::getElementType (jobject array, jint index)
{
  jclass arrayType = array->getClass();
  if (! arrayType->isArray ())
    JvThrow (new java::lang::IllegalArgumentException());
  jint length = ((__JArray*) array)->length;
  if ((_Jv_uint) index >= (_Jv_uint) length)
    _Jv_ThrowBadArrayIndex(index);
  return arrayType->getComponentType ();
}

jboolean
java::lang::reflect::Array::getBoolean (jobject array, jint index)
{
  jclass elementType = getElementType (array, index);
  if (elementType == JvPrimClass (boolean))
    return elements ((jbooleanArray) array) [index];
  JvThrow (new java::lang::IllegalArgumentException());
}

jchar
java::lang::reflect::Array::getChar (jobject array, jint index)
{
  jclass elementType = getElementType (array, index);
  if (elementType == JvPrimClass (char))
    return elements ((jcharArray) array) [index];
  JvThrow (new java::lang::IllegalArgumentException());
}

jbyte
java::lang::reflect::Array::getByte (jobject array, jint index)
{
  jclass elementType = getElementType (array, index);
  if (elementType == JvPrimClass (byte))
    return elements ((jbyteArray) array) [index];
  JvThrow (new java::lang::IllegalArgumentException());
}

jshort
java::lang::reflect::Array::getShort (jobject array, jint index)
{
  jclass elementType = getElementType (array, index);
  if (elementType == JvPrimClass (short))
    return elements ((jshortArray) array) [index];
  if (elementType == JvPrimClass (byte))
    return elements ((jbyteArray) array) [index];
  JvThrow (new java::lang::IllegalArgumentException());
}

jint
java::lang::reflect::Array::getInt (jobject array, jint index)
{
  jclass elementType = getElementType (array, index);
  if (elementType == JvPrimClass (int))
    return elements ((jintArray) array) [index];
  if (elementType == JvPrimClass (short))
    return elements ((jshortArray) array) [index];
  if (elementType == JvPrimClass (byte))
    return elements ((jbyteArray) array) [index];
  if (elementType == JvPrimClass (char))
    return elements ((jcharArray) array) [index];
  JvThrow (new java::lang::IllegalArgumentException());
}

jlong
java::lang::reflect::Array::getLong (jobject array, jint index)
{
  jclass elementType = getElementType (array, index);
  if (elementType == JvPrimClass (long))
    return elements ((jlongArray) array) [index];
  if (elementType == JvPrimClass (int))
    return elements ((jintArray) array) [index];
  if (elementType == JvPrimClass (short))
    return elements ((jshortArray) array) [index];
  if (elementType == JvPrimClass (byte))
    return elements ((jbyteArray) array) [index];
  if (elementType == JvPrimClass (char))
    return elements ((jcharArray) array) [index];
  JvThrow (new java::lang::IllegalArgumentException());
}

jfloat
java::lang::reflect::Array::getFloat (jobject array, jint index)
{
  jclass elementType = getElementType (array, index);
  if (elementType == JvPrimClass (float))
    return elements ((jfloatArray) array) [index];
  if (elementType == JvPrimClass (long))
    return elements ((jlongArray) array) [index];
  if (elementType == JvPrimClass (int))
    return elements ((jintArray) array) [index];
  if (elementType == JvPrimClass (short))
    return elements ((jshortArray) array) [index];
  if (elementType == JvPrimClass (byte))
    return elements ((jbyteArray) array) [index];
  if (elementType == JvPrimClass (char))
    return elements ((jcharArray) array) [index];
  JvThrow (new java::lang::IllegalArgumentException());
}

jdouble
java::lang::reflect::Array::getDouble (jobject array, jint index)
{
  jclass elementType = getElementType (array, index);
  if (elementType == JvPrimClass (double))
    return elements ((jdoubleArray) array) [index];
  if (elementType == JvPrimClass (float))
    return elements ((jfloatArray) array) [index];
  if (elementType == JvPrimClass (long))
    return elements ((jlongArray) array) [index];
  if (elementType == JvPrimClass (int))
    return elements ((jintArray) array) [index];
  if (elementType == JvPrimClass (short))
    return elements ((jshortArray) array) [index];
  if (elementType == JvPrimClass (byte))
    return elements ((jbyteArray) array) [index];
  if (elementType == JvPrimClass (char))
    return elements ((jcharArray) array) [index];
  JvThrow (new java::lang::IllegalArgumentException());
}

jobject
java::lang::reflect::Array::get (jobject array, jint index)
{
  jclass elementType = getElementType (array, index);
  if (! elementType->isPrimitive ())
    return elements ((jobjectArray) array) [index];
  if (elementType == JvPrimClass (double))
    return new java::lang::Double (elements ((jdoubleArray) array) [index]);
  if (elementType == JvPrimClass (float))
    return new java::lang::Float (elements ((jfloatArray) array) [index]);
  if (elementType == JvPrimClass (long))
    return new java::lang::Long (elements ((jlongArray) array) [index]);
  if (elementType == JvPrimClass (int))
    return new java::lang::Integer (elements ((jintArray) array) [index]);
  if (elementType == JvPrimClass (short))
    return new java::lang::Short (elements ((jshortArray) array) [index]);
  if (elementType == JvPrimClass (byte))
    return new java::lang::Byte (elements ((jbyteArray) array) [index]);
  if (elementType == JvPrimClass (char))
    return new java::lang::Character (elements ((jcharArray) array) [index]);
  if (elementType == JvPrimClass (boolean))
    if (elements ((jbooleanArray) array) [index])
      return java::lang::Boolean::TRUE;
    else
      return java::lang::Boolean::FALSE;
  JvThrow (new java::lang::IllegalArgumentException());
}

void
java::lang::reflect::Array::setChar (jobject array, jint index, jchar value)
{
  jclass elementType = getElementType (array, index);
  if (elementType == JvPrimClass (char))
    elements ((jcharArray) array) [index] = value;
  else if (elementType == JvPrimClass (int))
    elements ((jintArray) array) [index] = value;
  else if (elementType == JvPrimClass (long))
    elements ((jlongArray) array) [index] = value;
  else if (elementType == JvPrimClass (float))
    elements ((jfloatArray) array) [index] = value;
  else if (elementType == JvPrimClass (double))
    elements ((jdoubleArray) array) [index] = value;
  else
    JvThrow (new java::lang::IllegalArgumentException());
}

void
java::lang::reflect::Array::setByte (jobject array, jint index, jbyte value)
{
  jclass elementType = getElementType (array, index);
  if (elementType == JvPrimClass (byte))
    elements ((jbyteArray) array) [index] = value;
  else if (elementType == JvPrimClass (short))
    elements ((jshortArray) array) [index] = value;
  else if (elementType == JvPrimClass (int))
    elements ((jintArray) array) [index] = value;
  else if (elementType == JvPrimClass (long))
    elements ((jlongArray) array) [index] = value;
  else if (elementType == JvPrimClass (float))
    elements ((jfloatArray) array) [index] = value;
  else if (elementType == JvPrimClass (double))
    elements ((jdoubleArray) array) [index] = value;
  else
    JvThrow (new java::lang::IllegalArgumentException());
}

void
java::lang::reflect::Array::setShort (jobject array, jint index, jshort value)
{
  jclass elementType = getElementType (array, index);
  if (elementType == JvPrimClass (short))
    elements ((jshortArray) array) [index] = value;
  else if (elementType == JvPrimClass (int))
    elements ((jintArray) array) [index] = value;
  else if (elementType == JvPrimClass (long))
    elements ((jlongArray) array) [index] = value;
  else if (elementType == JvPrimClass (float))
    elements ((jfloatArray) array) [index] = value;
  else if (elementType == JvPrimClass (double))
    elements ((jdoubleArray) array) [index] = value;
  else
    JvThrow (new java::lang::IllegalArgumentException());
}

void
java::lang::reflect::Array::setInt (jobject array, jint index, jint value)
{
  jclass elementType = getElementType (array, index);
  if (elementType == JvPrimClass (int))
    elements ((jintArray) array) [index] = value;
  else if (elementType == JvPrimClass (long))
    elements ((jlongArray) array) [index] = value;
  else if (elementType == JvPrimClass (float))
    elements ((jfloatArray) array) [index] = value;
  else if (elementType == JvPrimClass (double))
    elements ((jdoubleArray) array) [index] = value;
  else
    JvThrow (new java::lang::IllegalArgumentException());
}

void
java::lang::reflect::Array::setLong (jobject array, jint index, jlong value)
{
  jclass elementType = getElementType (array, index);
  if (elementType == JvPrimClass (long))
    elements ((jlongArray) array) [index] = value;
  else if (elementType == JvPrimClass (float))
    elements ((jfloatArray) array) [index] = value;
  else if (elementType == JvPrimClass (double))
    elements ((jdoubleArray) array) [index] = value;
  else
    JvThrow (new java::lang::IllegalArgumentException());
}

void
java::lang::reflect::Array::setFloat (jobject array, jint index, jfloat value)
{
  jclass elementType = getElementType (array, index);
  if (elementType == JvPrimClass (float))
    elements ((jfloatArray) array) [index] = value;
  else if (elementType == JvPrimClass (double))
    elements ((jdoubleArray) array) [index] = value;
  else
    JvThrow (new java::lang::IllegalArgumentException());
}

void
java::lang::reflect::Array::setDouble (jobject array, jint index, jdouble value)
{
  jclass elementType = getElementType (array, index);
  if (elementType == JvPrimClass (double))
    elements ((jdoubleArray) array) [index] = value;
  else
    JvThrow (new java::lang::IllegalArgumentException());
}

void
java::lang::reflect::Array::setBoolean (jobject array,
					jint index, jboolean value)
{
  jclass elementType = getElementType (array, index);
  if (elementType == JvPrimClass (boolean))
    elements ((jbooleanArray) array) [index] = value;
  else
    JvThrow (new java::lang::IllegalArgumentException());
}

void
java::lang::reflect::Array::set (jobject array, jint index,
				       jobject value, jclass elType)
{
  if (! _Jv_IsInstanceOf (value, elType))
    JvThrow (new java::lang::IllegalArgumentException ());
  elements ((jobjectArray) array) [index] = value;
}