| // 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); |
| } |