138 lines
4.3 KiB
C++
138 lines
4.3 KiB
C++
/*
|
|
* Copyright (c) 1999-2004 Sourceforge JACOB Project.
|
|
* All rights reserved. Originator: Dan Adler (http://danadler.com).
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
* 3. Redistributions in any form must be accompanied by information on
|
|
* how to obtain complete source code for the JACOB software.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
|
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
|
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
|
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
|
|
* OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
#include "stdafx.h"
|
|
#include <objbase.h>
|
|
#include "Dispatch.h"
|
|
// Win32 support for Ole Automation
|
|
#include <wchar.h>
|
|
#include <string.h>
|
|
#include <atlbase.h>
|
|
#include <oleauto.h>
|
|
#include <olectl.h>
|
|
#include "util.h"
|
|
|
|
/**
|
|
* An implementation of IEnumVariant based on code submitted by
|
|
* Thomas Hallgren (mailto:Thomas.Hallgren@eoncompany.com)
|
|
*/
|
|
extern "C"
|
|
{
|
|
|
|
// extract a IDispatch from a jobject
|
|
IEnumVARIANT* extractEnumVariant(JNIEnv* env, jobject arg)
|
|
{
|
|
jfieldID FID_pIEnumVARIANT = 0;
|
|
jclass clazz = env->GetObjectClass(arg);
|
|
FID_pIEnumVARIANT = env->GetFieldID(clazz, "m_pIEnumVARIANT", "I");
|
|
return (IEnumVARIANT*)env->GetIntField(arg, FID_pIEnumVARIANT);
|
|
}
|
|
|
|
JNIEXPORT jint JNICALL
|
|
Java_com_jacob_com_EnumVariant_Next(JNIEnv* env, jobject _this, jobjectArray vars)
|
|
{
|
|
IEnumVARIANT* self = extractEnumVariant(env, _this);
|
|
printf("self=%x\n", self);
|
|
if(self == NULL)
|
|
return 0;
|
|
|
|
ULONG count = (ULONG)env->GetArrayLength(vars);
|
|
if(count == 0)
|
|
return 0;
|
|
|
|
VARIANT* sink = (VARIANT*)CoTaskMemAlloc(count * sizeof(VARIANT));
|
|
ULONG fetchCount = 0;
|
|
|
|
HRESULT hr = self->Next(count, sink, &fetchCount);
|
|
if(FAILED(hr))
|
|
{
|
|
CoTaskMemFree(sink);
|
|
ThrowComFail(env, "IEnumVARIANT::Next", hr);
|
|
return 0;
|
|
}
|
|
|
|
// prepare a new return value array
|
|
//
|
|
jclass clazz = env->FindClass("com/jacob/com/Variant");
|
|
jmethodID ctor = env->GetMethodID(clazz, "<init>", "()V");
|
|
|
|
for(ULONG idx = 0; idx < fetchCount; ++idx)
|
|
{
|
|
// construct a variant to return
|
|
//
|
|
jobject newVariant = env->NewObject(clazz, ctor);
|
|
VARIANT* v = extractVariant(env, newVariant);
|
|
VariantCopy(v, sink + idx);
|
|
env->SetObjectArrayElement(vars, idx, newVariant);
|
|
env->DeleteLocalRef(newVariant);
|
|
}
|
|
CoTaskMemFree(sink);
|
|
return (jint)fetchCount;
|
|
}
|
|
|
|
JNIEXPORT void JNICALL
|
|
Java_com_jacob_com_EnumVariant_release(JNIEnv* env, jobject _this)
|
|
{
|
|
IEnumVARIANT* self = extractEnumVariant(env, _this);
|
|
if(self != NULL)
|
|
{
|
|
self->Release();
|
|
jfieldID FID_pIEnumVARIANT = 0;
|
|
jclass clazz = env->GetObjectClass(_this);
|
|
FID_pIEnumVARIANT = env->GetFieldID(clazz, "m_pIEnumVARIANT", "I");
|
|
env->SetIntField(_this, FID_pIEnumVARIANT, (unsigned int)0);
|
|
}
|
|
}
|
|
|
|
JNIEXPORT void JNICALL
|
|
Java_com_jacob_com_EnumVariant_Reset(JNIEnv* env, jobject _this)
|
|
{
|
|
IEnumVARIANT* self = extractEnumVariant(env, _this);
|
|
if(self == NULL)
|
|
return;
|
|
|
|
HRESULT hr = self->Reset();
|
|
if(FAILED(hr))
|
|
ThrowComFail(env, "IEnumVARIANT::Reset", hr);
|
|
}
|
|
|
|
JNIEXPORT void JNICALL
|
|
Java_com_jacob_com_EnumVariant_Skip(JNIEnv* env, jobject _this, jint count)
|
|
{
|
|
IEnumVARIANT* self = extractEnumVariant(env, _this);
|
|
if(self == NULL)
|
|
return;
|
|
|
|
HRESULT hr = self->Skip((ULONG)count);
|
|
if(FAILED(hr))
|
|
ThrowComFail(env, "IEnumVARIANT::Skip", hr);
|
|
}
|
|
|
|
}
|