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// Copyright 2014 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
#include "xfa/fxjse/cfxjse_arguments.h"
#include "xfa/fxjse/class.h"
#include "xfa/fxjse/value.h"
static void FXJSE_DynPropGetterAdapter_MethodCallback(
const v8::FunctionCallbackInfo<v8::Value>& info) {
v8::Local<v8::Object> hCallBackInfo = info.Data().As<v8::Object>();
FXJSE_CLASS* lpClass = static_cast<FXJSE_CLASS*>(
hCallBackInfo->GetAlignedPointerFromInternalField(0));
v8::Local<v8::String> hPropName =
hCallBackInfo->GetInternalField(1).As<v8::String>();
ASSERT(lpClass && !hPropName.IsEmpty());
v8::String::Utf8Value szPropName(hPropName);
CFX_ByteStringC szFxPropName = *szPropName;
CFXJSE_Value* lpThisValue = CFXJSE_Value::Create(info.GetIsolate());
lpThisValue->ForceSetValue(info.This());
CFXJSE_Value* lpRetValue = CFXJSE_Value::Create(info.GetIsolate());
CFXJSE_ArgumentsImpl impl = {&info, lpRetValue};
lpClass->dynMethodCall(reinterpret_cast<FXJSE_HOBJECT>(lpThisValue),
szFxPropName,
reinterpret_cast<CFXJSE_Arguments&>(impl));
if (!lpRetValue->DirectGetValue().IsEmpty()) {
info.GetReturnValue().Set(lpRetValue->DirectGetValue());
}
delete lpRetValue;
lpRetValue = nullptr;
delete lpThisValue;
lpThisValue = nullptr;
}
static void FXJSE_DynPropGetterAdapter(const FXJSE_CLASS* lpClass,
FXJSE_HOBJECT hObject,
const CFX_ByteStringC& szPropName,
FXJSE_HVALUE hValue) {
ASSERT(lpClass);
int32_t nPropType =
lpClass->dynPropTypeGetter == nullptr
? FXJSE_ClassPropType_Property
: lpClass->dynPropTypeGetter(hObject, szPropName, FALSE);
if (nPropType == FXJSE_ClassPropType_Property) {
if (lpClass->dynPropGetter) {
lpClass->dynPropGetter(hObject, szPropName, hValue);
}
} else if (nPropType == FXJSE_ClassPropType_Method) {
if (lpClass->dynMethodCall && hValue) {
CFXJSE_Value* lpValue = reinterpret_cast<CFXJSE_Value*>(hValue);
v8::Isolate* pIsolate = lpValue->GetIsolate();
v8::HandleScope hscope(pIsolate);
v8::Local<v8::ObjectTemplate> hCallBackInfoTemplate =
v8::ObjectTemplate::New(pIsolate);
hCallBackInfoTemplate->SetInternalFieldCount(2);
v8::Local<v8::Object> hCallBackInfo =
hCallBackInfoTemplate->NewInstance();
hCallBackInfo->SetAlignedPointerInInternalField(
0, const_cast<FXJSE_CLASS*>(lpClass));
hCallBackInfo->SetInternalField(
1, v8::String::NewFromUtf8(
pIsolate, reinterpret_cast<const char*>(szPropName.raw_str()),
v8::String::kNormalString, szPropName.GetLength()));
lpValue->ForceSetValue(v8::Function::New(
lpValue->GetIsolate(), FXJSE_DynPropGetterAdapter_MethodCallback,
hCallBackInfo));
}
}
}
static void FXJSE_DynPropSetterAdapter(const FXJSE_CLASS* lpClass,
FXJSE_HOBJECT hObject,
const CFX_ByteStringC& szPropName,
FXJSE_HVALUE hValue) {
ASSERT(lpClass);
int32_t nPropType =
lpClass->dynPropTypeGetter == nullptr
? FXJSE_ClassPropType_Property
: lpClass->dynPropTypeGetter(hObject, szPropName, FALSE);
if (nPropType != FXJSE_ClassPropType_Method) {
if (lpClass->dynPropSetter) {
lpClass->dynPropSetter(hObject, szPropName, hValue);
}
}
}
static FX_BOOL FXJSE_DynPropQueryAdapter(const FXJSE_CLASS* lpClass,
FXJSE_HOBJECT hObject,
const CFX_ByteStringC& szPropName) {
ASSERT(lpClass);
int32_t nPropType =
lpClass->dynPropTypeGetter == nullptr
? FXJSE_ClassPropType_Property
: lpClass->dynPropTypeGetter(hObject, szPropName, TRUE);
return nPropType != FXJSE_ClassPropType_None;
}
static FX_BOOL FXJSE_DynPropDeleterAdapter(const FXJSE_CLASS* lpClass,
FXJSE_HOBJECT hObject,
const CFX_ByteStringC& szPropName) {
ASSERT(lpClass);
int32_t nPropType =
lpClass->dynPropTypeGetter == nullptr
? FXJSE_ClassPropType_Property
: lpClass->dynPropTypeGetter(hObject, szPropName, FALSE);
if (nPropType != FXJSE_ClassPropType_Method) {
if (lpClass->dynPropDeleter) {
return lpClass->dynPropDeleter(hObject, szPropName);
} else {
return nPropType == FXJSE_ClassPropType_Property ? FALSE : TRUE;
}
}
return FALSE;
}
static void FXJSE_V8_GenericNamedPropertyQueryCallback(
v8::Local<v8::Name> property,
const v8::PropertyCallbackInfo<v8::Integer>& info) {
v8::Local<v8::Object> thisObject = info.This();
const FXJSE_CLASS* lpClass =
static_cast<FXJSE_CLASS*>(info.Data().As<v8::External>()->Value());
v8::Isolate* pIsolate = info.GetIsolate();
v8::HandleScope scope(pIsolate);
v8::String::Utf8Value szPropName(property);
CFX_ByteStringC szFxPropName(*szPropName, szPropName.length());
CFXJSE_Value* lpThisValue = CFXJSE_Value::Create(info.GetIsolate());
lpThisValue->ForceSetValue(thisObject);
if (FXJSE_DynPropQueryAdapter(lpClass,
reinterpret_cast<FXJSE_HOBJECT>(lpThisValue),
szFxPropName)) {
info.GetReturnValue().Set(v8::DontDelete);
} else {
const int32_t iV8Absent = 64;
info.GetReturnValue().Set(iV8Absent);
}
delete lpThisValue;
lpThisValue = nullptr;
}
static void FXJSE_V8_GenericNamedPropertyDeleterCallback(
v8::Local<v8::Name> property,
const v8::PropertyCallbackInfo<v8::Boolean>& info) {
v8::Local<v8::Object> thisObject = info.This();
const FXJSE_CLASS* lpClass =
static_cast<FXJSE_CLASS*>(info.Data().As<v8::External>()->Value());
v8::Isolate* pIsolate = info.GetIsolate();
v8::HandleScope scope(pIsolate);
v8::String::Utf8Value szPropName(property);
CFX_ByteStringC szFxPropName(*szPropName, szPropName.length());
CFXJSE_Value* lpThisValue = CFXJSE_Value::Create(info.GetIsolate());
lpThisValue->ForceSetValue(thisObject);
info.GetReturnValue().Set(
FXJSE_DynPropDeleterAdapter(
lpClass, reinterpret_cast<FXJSE_HOBJECT>(lpThisValue), szFxPropName)
? true
: false);
delete lpThisValue;
lpThisValue = nullptr;
}
static void FXJSE_V8_GenericNamedPropertyGetterCallback(
v8::Local<v8::Name> property,
const v8::PropertyCallbackInfo<v8::Value>& info) {
v8::Local<v8::Object> thisObject = info.This();
const FXJSE_CLASS* lpClass =
static_cast<FXJSE_CLASS*>(info.Data().As<v8::External>()->Value());
v8::String::Utf8Value szPropName(property);
CFX_ByteStringC szFxPropName(*szPropName, szPropName.length());
CFXJSE_Value* lpThisValue = CFXJSE_Value::Create(info.GetIsolate());
lpThisValue->ForceSetValue(thisObject);
CFXJSE_Value* lpNewValue = CFXJSE_Value::Create(info.GetIsolate());
FXJSE_DynPropGetterAdapter(
lpClass, reinterpret_cast<FXJSE_HOBJECT>(lpThisValue), szFxPropName,
reinterpret_cast<FXJSE_HVALUE>(lpNewValue));
info.GetReturnValue().Set(lpNewValue->DirectGetValue());
delete lpThisValue;
lpThisValue = nullptr;
}
static void FXJSE_V8_GenericNamedPropertySetterCallback(
v8::Local<v8::Name> property,
v8::Local<v8::Value> value,
const v8::PropertyCallbackInfo<v8::Value>& info) {
v8::Local<v8::Object> thisObject = info.This();
const FXJSE_CLASS* lpClass =
static_cast<FXJSE_CLASS*>(info.Data().As<v8::External>()->Value());
v8::String::Utf8Value szPropName(property);
CFX_ByteStringC szFxPropName(*szPropName, szPropName.length());
CFXJSE_Value* lpThisValue = CFXJSE_Value::Create(info.GetIsolate());
lpThisValue->ForceSetValue(thisObject);
CFXJSE_Value* lpNewValue = CFXJSE_Value::Create(info.GetIsolate());
lpNewValue->ForceSetValue(value);
FXJSE_DynPropSetterAdapter(
lpClass, reinterpret_cast<FXJSE_HOBJECT>(lpThisValue), szFxPropName,
reinterpret_cast<FXJSE_HVALUE>(lpNewValue));
info.GetReturnValue().Set(value);
delete lpThisValue;
lpThisValue = nullptr;
}
static void FXJSE_V8_GenericNamedPropertyEnumeratorCallback(
const v8::PropertyCallbackInfo<v8::Array>& info) {
const FXJSE_CLASS* lpClass =
static_cast<FXJSE_CLASS*>(info.Data().As<v8::External>()->Value());
v8::Isolate* pIsolate = info.GetIsolate();
v8::Local<v8::Array> newArray = v8::Array::New(pIsolate, lpClass->propNum);
for (int i = 0; i < lpClass->propNum; i++) {
newArray->Set(
i, v8::String::NewFromUtf8(pIsolate, lpClass->properties[i].name));
}
info.GetReturnValue().Set(newArray);
}
void CFXJSE_Class::SetUpNamedPropHandler(
v8::Isolate* pIsolate,
v8::Local<v8::ObjectTemplate>& hObjectTemplate,
const FXJSE_CLASS* lpClassDefinition) {
v8::NamedPropertyHandlerConfiguration configuration(
lpClassDefinition->dynPropGetter
? FXJSE_V8_GenericNamedPropertyGetterCallback
: 0,
lpClassDefinition->dynPropSetter
? FXJSE_V8_GenericNamedPropertySetterCallback
: 0,
lpClassDefinition->dynPropTypeGetter
? FXJSE_V8_GenericNamedPropertyQueryCallback
: 0,
lpClassDefinition->dynPropDeleter
? FXJSE_V8_GenericNamedPropertyDeleterCallback
: 0,
FXJSE_V8_GenericNamedPropertyEnumeratorCallback,
v8::External::New(pIsolate, const_cast<FXJSE_CLASS*>(lpClassDefinition)),
v8::PropertyHandlerFlags::kNonMasking);
hObjectTemplate->SetHandler(configuration);
}
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