diff options
author | dsinclair <dsinclair@chromium.org> | 2016-06-09 13:24:34 -0700 |
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committer | Commit bot <commit-bot@chromium.org> | 2016-06-09 13:24:34 -0700 |
commit | 8bd9ce00a0755d72c9b5b8ad43d8f50c2f51e5c5 (patch) | |
tree | 9dd3a72354f353694cc52747acabf297a10251a3 /fxjse/dynprop.cpp | |
parent | 3cace320e07bb954710c50fc7634ca3a8f3eda38 (diff) | |
download | pdfium-8bd9ce00a0755d72c9b5b8ad43d8f50c2f51e5c5.tar.xz |
Move xfa/fxjse/ to fxjse/
This makes it clear that fxjse/ is a standalone component and should not be
entangled with other xfa/ components.
BUG=pdfium:506
Review-Url: https://codereview.chromium.org/2056663004
Diffstat (limited to 'fxjse/dynprop.cpp')
-rw-r--r-- | fxjse/dynprop.cpp | 223 |
1 files changed, 223 insertions, 0 deletions
diff --git a/fxjse/dynprop.cpp b/fxjse/dynprop.cpp new file mode 100644 index 0000000000..34f63f4338 --- /dev/null +++ b/fxjse/dynprop.cpp @@ -0,0 +1,223 @@ +// 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(), FXJSE_DynPropGetterAdapter_MethodCallback, + hCallBackInfo)); + } + } +} + +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); +} |