| // 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 "fxjse/include/cfxjse_arguments.h" |
| #include "fxjse/include/cfxjse_class.h" |
| #include "fxjse/include/cfxjse_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_DESCRIPTOR* lpClass = static_cast<FXJSE_CLASS_DESCRIPTOR*>( |
| 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; |
| std::unique_ptr<CFXJSE_Value> lpThisValue( |
| new CFXJSE_Value(info.GetIsolate())); |
| lpThisValue->ForceSetValue(info.This()); |
| std::unique_ptr<CFXJSE_Value> lpRetValue(new CFXJSE_Value(info.GetIsolate())); |
| CFXJSE_Arguments impl(&info, lpRetValue.get()); |
| lpClass->dynMethodCall(lpThisValue.get(), szFxPropName, impl); |
| if (!lpRetValue->DirectGetValue().IsEmpty()) { |
| info.GetReturnValue().Set(lpRetValue->DirectGetValue()); |
| } |
| } |
| |
| static void FXJSE_DynPropGetterAdapter(const FXJSE_CLASS_DESCRIPTOR* lpClass, |
| CFXJSE_Value* pObject, |
| const CFX_ByteStringC& szPropName, |
| CFXJSE_Value* pValue) { |
| ASSERT(lpClass); |
| int32_t nPropType = |
| lpClass->dynPropTypeGetter == nullptr |
| ? FXJSE_ClassPropType_Property |
| : lpClass->dynPropTypeGetter(pObject, szPropName, FALSE); |
| if (nPropType == FXJSE_ClassPropType_Property) { |
| if (lpClass->dynPropGetter) { |
| lpClass->dynPropGetter(pObject, szPropName, pValue); |
| } |
| } else if (nPropType == FXJSE_ClassPropType_Method) { |
| if (lpClass->dynMethodCall && pValue) { |
| v8::Isolate* pIsolate = pValue->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_DESCRIPTOR*>(lpClass)); |
| hCallBackInfo->SetInternalField( |
| 1, v8::String::NewFromUtf8( |
| pIsolate, reinterpret_cast<const char*>(szPropName.raw_str()), |
| v8::String::kNormalString, szPropName.GetLength())); |
| pValue->ForceSetValue( |
| v8::Function::New(pValue->GetIsolate()->GetCurrentContext(), |
| FXJSE_DynPropGetterAdapter_MethodCallback, |
| hCallBackInfo, 0, v8::ConstructorBehavior::kThrow) |
| .ToLocalChecked()); |
| } |
| } |
| } |
| |
| static void FXJSE_DynPropSetterAdapter(const FXJSE_CLASS_DESCRIPTOR* lpClass, |
| CFXJSE_Value* pObject, |
| const CFX_ByteStringC& szPropName, |
| CFXJSE_Value* pValue) { |
| ASSERT(lpClass); |
| int32_t nPropType = |
| lpClass->dynPropTypeGetter == nullptr |
| ? FXJSE_ClassPropType_Property |
| : lpClass->dynPropTypeGetter(pObject, szPropName, FALSE); |
| if (nPropType != FXJSE_ClassPropType_Method) { |
| if (lpClass->dynPropSetter) { |
| lpClass->dynPropSetter(pObject, szPropName, pValue); |
| } |
| } |
| } |
| |
| static FX_BOOL FXJSE_DynPropQueryAdapter(const FXJSE_CLASS_DESCRIPTOR* lpClass, |
| CFXJSE_Value* pObject, |
| const CFX_ByteStringC& szPropName) { |
| ASSERT(lpClass); |
| int32_t nPropType = |
| lpClass->dynPropTypeGetter == nullptr |
| ? FXJSE_ClassPropType_Property |
| : lpClass->dynPropTypeGetter(pObject, szPropName, TRUE); |
| return nPropType != FXJSE_ClassPropType_None; |
| } |
| |
| static FX_BOOL FXJSE_DynPropDeleterAdapter( |
| const FXJSE_CLASS_DESCRIPTOR* lpClass, |
| CFXJSE_Value* pObject, |
| const CFX_ByteStringC& szPropName) { |
| ASSERT(lpClass); |
| int32_t nPropType = |
| lpClass->dynPropTypeGetter == nullptr |
| ? FXJSE_ClassPropType_Property |
| : lpClass->dynPropTypeGetter(pObject, szPropName, FALSE); |
| if (nPropType != FXJSE_ClassPropType_Method) { |
| if (lpClass->dynPropDeleter) { |
| return lpClass->dynPropDeleter(pObject, 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_DESCRIPTOR* lpClass = static_cast<FXJSE_CLASS_DESCRIPTOR*>( |
| 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()); |
| std::unique_ptr<CFXJSE_Value> lpThisValue( |
| new CFXJSE_Value(info.GetIsolate())); |
| lpThisValue->ForceSetValue(thisObject); |
| if (FXJSE_DynPropQueryAdapter(lpClass, lpThisValue.get(), szFxPropName)) { |
| info.GetReturnValue().Set(v8::DontDelete); |
| } else { |
| const int32_t iV8Absent = 64; |
| info.GetReturnValue().Set(iV8Absent); |
| } |
| } |
| |
| 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_DESCRIPTOR* lpClass = static_cast<FXJSE_CLASS_DESCRIPTOR*>( |
| 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()); |
| std::unique_ptr<CFXJSE_Value> lpThisValue( |
| new CFXJSE_Value(info.GetIsolate())); |
| lpThisValue->ForceSetValue(thisObject); |
| info.GetReturnValue().Set( |
| !!FXJSE_DynPropDeleterAdapter(lpClass, lpThisValue.get(), szFxPropName)); |
| } |
| |
| 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_DESCRIPTOR* lpClass = static_cast<FXJSE_CLASS_DESCRIPTOR*>( |
| info.Data().As<v8::External>()->Value()); |
| v8::String::Utf8Value szPropName(property); |
| CFX_ByteStringC szFxPropName(*szPropName, szPropName.length()); |
| std::unique_ptr<CFXJSE_Value> lpThisValue( |
| new CFXJSE_Value(info.GetIsolate())); |
| lpThisValue->ForceSetValue(thisObject); |
| std::unique_ptr<CFXJSE_Value> lpNewValue(new CFXJSE_Value(info.GetIsolate())); |
| FXJSE_DynPropGetterAdapter(lpClass, lpThisValue.get(), szFxPropName, |
| lpNewValue.get()); |
| info.GetReturnValue().Set(lpNewValue->DirectGetValue()); |
| } |
| |
| 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_DESCRIPTOR* lpClass = static_cast<FXJSE_CLASS_DESCRIPTOR*>( |
| info.Data().As<v8::External>()->Value()); |
| v8::String::Utf8Value szPropName(property); |
| CFX_ByteStringC szFxPropName(*szPropName, szPropName.length()); |
| std::unique_ptr<CFXJSE_Value> lpThisValue( |
| new CFXJSE_Value(info.GetIsolate())); |
| lpThisValue->ForceSetValue(thisObject); |
| |
| CFXJSE_Value* lpNewValue = new CFXJSE_Value(info.GetIsolate()); |
| lpNewValue->ForceSetValue(value); |
| FXJSE_DynPropSetterAdapter(lpClass, lpThisValue.get(), szFxPropName, |
| lpNewValue); |
| info.GetReturnValue().Set(value); |
| } |
| |
| static void FXJSE_V8_GenericNamedPropertyEnumeratorCallback( |
| const v8::PropertyCallbackInfo<v8::Array>& info) { |
| const FXJSE_CLASS_DESCRIPTOR* lpClass = static_cast<FXJSE_CLASS_DESCRIPTOR*>( |
| 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_DESCRIPTOR* 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_DESCRIPTOR*>(lpClassDefinition)), |
| v8::PropertyHandlerFlags::kNonMasking); |
| hObjectTemplate->SetHandler(configuration); |
| } |
