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Unified Diff: fxjs/cfxjse_class.cpp

Issue 2136213002: Rename fxjse/ to fxjs/ update files to match class names. (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master
Patch Set: Created 4 years, 5 months ago
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Index: fxjs/cfxjse_class.cpp
diff --git a/fxjs/cfxjse_class.cpp b/fxjs/cfxjse_class.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..de22af7681798e933f06017f2524c04c184cca3f
--- /dev/null
+++ b/fxjs/cfxjse_class.cpp
@@ -0,0 +1,433 @@
+// Copyright 2016 PDFium Authors. All rights reserved.
Tom Sepez 2016/07/11 21:03:27 Is there a way to avoid losing the history on this
dsinclair 2016/07/12 13:38:30 Looks like similiarity=40 worked.
+// 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 "fxjs/include/cfxjse_class.h"
+
+#include "fxjs/include/cfxjse_context.h"
+#include "fxjs/include/cfxjse_value.h"
+
+namespace {
+
+void V8FunctionCallback_Wrapper(
+ const v8::FunctionCallbackInfo<v8::Value>& info) {
+ const FXJSE_FUNCTION_DESCRIPTOR* lpFunctionInfo =
+ static_cast<FXJSE_FUNCTION_DESCRIPTOR*>(
+ info.Data().As<v8::External>()->Value());
+ if (!lpFunctionInfo)
+ return;
+
+ CFX_ByteStringC szFunctionName(lpFunctionInfo->name);
+ 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());
+ lpFunctionInfo->callbackProc(lpThisValue.get(), szFunctionName, impl);
+ if (!lpRetValue->DirectGetValue().IsEmpty())
+ info.GetReturnValue().Set(lpRetValue->DirectGetValue());
+}
+
+void V8ClassGlobalConstructorCallback_Wrapper(
+ const v8::FunctionCallbackInfo<v8::Value>& info) {
+ const FXJSE_CLASS_DESCRIPTOR* lpClassDefinition =
+ static_cast<FXJSE_CLASS_DESCRIPTOR*>(
+ info.Data().As<v8::External>()->Value());
+ if (!lpClassDefinition)
+ return;
+
+ CFX_ByteStringC szFunctionName(lpClassDefinition->name);
+ 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());
+ lpClassDefinition->constructor(lpThisValue.get(), szFunctionName, impl);
+ if (!lpRetValue->DirectGetValue().IsEmpty())
+ info.GetReturnValue().Set(lpRetValue->DirectGetValue());
+}
+
+void V8GetterCallback_Wrapper(v8::Local<v8::String> property,
+ const v8::PropertyCallbackInfo<v8::Value>& info) {
+ const FXJSE_PROPERTY_DESCRIPTOR* lpPropertyInfo =
+ static_cast<FXJSE_PROPERTY_DESCRIPTOR*>(
+ info.Data().As<v8::External>()->Value());
+ if (!lpPropertyInfo)
+ return;
+
+ CFX_ByteStringC szPropertyName(lpPropertyInfo->name);
+ std::unique_ptr<CFXJSE_Value> lpThisValue(
+ new CFXJSE_Value(info.GetIsolate()));
+ std::unique_ptr<CFXJSE_Value> lpPropValue(
+ new CFXJSE_Value(info.GetIsolate()));
+ lpThisValue->ForceSetValue(info.This());
+ lpPropertyInfo->getProc(lpThisValue.get(), szPropertyName, lpPropValue.get());
+ info.GetReturnValue().Set(lpPropValue->DirectGetValue());
+}
+
+void V8SetterCallback_Wrapper(v8::Local<v8::String> property,
+ v8::Local<v8::Value> value,
+ const v8::PropertyCallbackInfo<void>& info) {
+ const FXJSE_PROPERTY_DESCRIPTOR* lpPropertyInfo =
+ static_cast<FXJSE_PROPERTY_DESCRIPTOR*>(
+ info.Data().As<v8::External>()->Value());
+ if (!lpPropertyInfo)
+ return;
+
+ CFX_ByteStringC szPropertyName(lpPropertyInfo->name);
+ std::unique_ptr<CFXJSE_Value> lpThisValue(
+ new CFXJSE_Value(info.GetIsolate()));
+ std::unique_ptr<CFXJSE_Value> lpPropValue(
+ new CFXJSE_Value(info.GetIsolate()));
+ lpThisValue->ForceSetValue(info.This());
+ lpPropValue->ForceSetValue(value);
+ lpPropertyInfo->setProc(lpThisValue.get(), szPropertyName, lpPropValue.get());
+}
+
+void V8ConstructorCallback_Wrapper(
+ const v8::FunctionCallbackInfo<v8::Value>& info) {
+ if (!info.IsConstructCall())
+ return;
+
+ const FXJSE_CLASS_DESCRIPTOR* lpClassDefinition =
+ static_cast<FXJSE_CLASS_DESCRIPTOR*>(
+ info.Data().As<v8::External>()->Value());
+ if (!lpClassDefinition)
+ return;
+
+ ASSERT(info.This()->InternalFieldCount());
+ info.This()->SetAlignedPointerInInternalField(0, nullptr);
+}
+
+void Context_GlobalObjToString(
+ const v8::FunctionCallbackInfo<v8::Value>& info) {
+ const FXJSE_CLASS_DESCRIPTOR* lpClass = static_cast<FXJSE_CLASS_DESCRIPTOR*>(
+ info.Data().As<v8::External>()->Value());
+ if (!lpClass)
+ return;
+
+ if (info.This() == info.Holder() && lpClass->name) {
+ CFX_ByteString szStringVal;
+ szStringVal.Format("[object %s]", lpClass->name);
+ info.GetReturnValue().Set(v8::String::NewFromUtf8(
+ info.GetIsolate(), szStringVal.c_str(), v8::String::kNormalString,
+ szStringVal.GetLength()));
+ return;
+ }
+ v8::Local<v8::String> local_str =
+ info.This()
+ ->ObjectProtoToString(info.GetIsolate()->GetCurrentContext())
+ .FromMaybe(v8::Local<v8::String>());
+ info.GetReturnValue().Set(local_str);
+}
+
+void 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());
+}
+
+void 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(),
+ DynPropGetterAdapter_MethodCallback, hCallBackInfo,
+ 0, v8::ConstructorBehavior::kThrow)
+ .ToLocalChecked());
+ }
+ }
+}
+
+void 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);
+ }
+}
+
+FX_BOOL 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;
+}
+
+FX_BOOL 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);
+ return nPropType == FXJSE_ClassPropType_Property ? FALSE : TRUE;
+ }
+ return FALSE;
+}
+
+void NamedPropertyQueryCallback(
+ 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 (DynPropQueryAdapter(lpClass, lpThisValue.get(), szFxPropName)) {
+ info.GetReturnValue().Set(v8::DontDelete);
+ return;
+ }
+ const int32_t iV8Absent = 64;
+ info.GetReturnValue().Set(iV8Absent);
+}
+
+void NamedPropertyDeleterCallback(
+ 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(
+ !!DynPropDeleterAdapter(lpClass, lpThisValue.get(), szFxPropName));
+}
+
+void NamedPropertyGetterCallback(
+ 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()));
+ DynPropGetterAdapter(lpClass, lpThisValue.get(), szFxPropName,
+ lpNewValue.get());
+ info.GetReturnValue().Set(lpNewValue->DirectGetValue());
+}
+
+void NamedPropertySetterCallback(
+ 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);
+ DynPropSetterAdapter(lpClass, lpThisValue.get(), szFxPropName, lpNewValue);
+ info.GetReturnValue().Set(value);
+}
+
+void NamedPropertyEnumeratorCallback(
+ 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);
+}
+
+} // namespace
+
+// static
+CFXJSE_Class* CFXJSE_Class::Create(
+ CFXJSE_Context* lpContext,
+ const FXJSE_CLASS_DESCRIPTOR* lpClassDefinition,
+ FX_BOOL bIsJSGlobal) {
+ if (!lpContext || !lpClassDefinition)
+ return nullptr;
+
+ CFXJSE_Class* pClass =
+ GetClassFromContext(lpContext, lpClassDefinition->name);
+ if (pClass)
+ return pClass;
+
+ v8::Isolate* pIsolate = lpContext->m_pIsolate;
+ pClass = new CFXJSE_Class(lpContext);
+ pClass->m_szClassName = lpClassDefinition->name;
+ pClass->m_lpClassDefinition = lpClassDefinition;
+ CFXJSE_ScopeUtil_IsolateHandleRootContext scope(pIsolate);
+ v8::Local<v8::FunctionTemplate> hFunctionTemplate = v8::FunctionTemplate::New(
+ pIsolate, bIsJSGlobal ? 0 : V8ConstructorCallback_Wrapper,
+ v8::External::New(
+ pIsolate, const_cast<FXJSE_CLASS_DESCRIPTOR*>(lpClassDefinition)));
+ hFunctionTemplate->SetClassName(
+ v8::String::NewFromUtf8(pIsolate, lpClassDefinition->name));
+ hFunctionTemplate->InstanceTemplate()->SetInternalFieldCount(1);
+ v8::Local<v8::ObjectTemplate> hObjectTemplate =
+ hFunctionTemplate->InstanceTemplate();
+ SetUpNamedPropHandler(pIsolate, hObjectTemplate, lpClassDefinition);
+
+ if (lpClassDefinition->propNum) {
+ for (int32_t i = 0; i < lpClassDefinition->propNum; i++) {
+ hObjectTemplate->SetNativeDataProperty(
+ v8::String::NewFromUtf8(pIsolate,
+ lpClassDefinition->properties[i].name),
+ lpClassDefinition->properties[i].getProc ? V8GetterCallback_Wrapper
+ : nullptr,
+ lpClassDefinition->properties[i].setProc ? V8SetterCallback_Wrapper
+ : nullptr,
+ v8::External::New(pIsolate, const_cast<FXJSE_PROPERTY_DESCRIPTOR*>(
+ lpClassDefinition->properties + i)),
+ static_cast<v8::PropertyAttribute>(v8::DontDelete));
+ }
+ }
+ if (lpClassDefinition->methNum) {
+ for (int32_t i = 0; i < lpClassDefinition->methNum; i++) {
+ v8::Local<v8::FunctionTemplate> fun = v8::FunctionTemplate::New(
+ pIsolate, V8FunctionCallback_Wrapper,
+ v8::External::New(pIsolate, const_cast<FXJSE_FUNCTION_DESCRIPTOR*>(
+ lpClassDefinition->methods + i)));
+ fun->RemovePrototype();
+ hObjectTemplate->Set(
+ v8::String::NewFromUtf8(pIsolate, lpClassDefinition->methods[i].name),
+ fun,
+ static_cast<v8::PropertyAttribute>(v8::ReadOnly | v8::DontDelete));
+ }
+ }
+ if (lpClassDefinition->constructor) {
+ if (bIsJSGlobal) {
+ hObjectTemplate->Set(
+ v8::String::NewFromUtf8(pIsolate, lpClassDefinition->name),
+ v8::FunctionTemplate::New(
+ pIsolate, V8ClassGlobalConstructorCallback_Wrapper,
+ v8::External::New(pIsolate, const_cast<FXJSE_CLASS_DESCRIPTOR*>(
+ lpClassDefinition))),
+ static_cast<v8::PropertyAttribute>(v8::ReadOnly | v8::DontDelete));
+ } else {
+ v8::Local<v8::Context> hLocalContext =
+ v8::Local<v8::Context>::New(pIsolate, lpContext->m_hContext);
+ FXJSE_GetGlobalObjectFromContext(hLocalContext)
+ ->Set(v8::String::NewFromUtf8(pIsolate, lpClassDefinition->name),
+ v8::Function::New(
+ pIsolate, V8ClassGlobalConstructorCallback_Wrapper,
+ v8::External::New(pIsolate,
+ const_cast<FXJSE_CLASS_DESCRIPTOR*>(
+ lpClassDefinition))));
+ }
+ }
+ if (bIsJSGlobal) {
+ v8::Local<v8::FunctionTemplate> fun = v8::FunctionTemplate::New(
+ pIsolate, Context_GlobalObjToString,
+ v8::External::New(
+ pIsolate, const_cast<FXJSE_CLASS_DESCRIPTOR*>(lpClassDefinition)));
+ fun->RemovePrototype();
+ hObjectTemplate->Set(v8::String::NewFromUtf8(pIsolate, "toString"), fun);
+ }
+ pClass->m_hTemplate.Reset(lpContext->m_pIsolate, hFunctionTemplate);
+ lpContext->m_rgClasses.push_back(std::unique_ptr<CFXJSE_Class>(pClass));
+ return pClass;
+}
+
+// static
+CFXJSE_Class* CFXJSE_Class::GetClassFromContext(CFXJSE_Context* pContext,
+ const CFX_ByteStringC& szName) {
+ for (const auto& pClass : pContext->m_rgClasses) {
+ if (pClass->m_szClassName == szName)
+ return pClass.get();
+ }
+ return nullptr;
+}
+
+// static
+void CFXJSE_Class::SetUpNamedPropHandler(
+ v8::Isolate* pIsolate,
+ v8::Local<v8::ObjectTemplate>& hObjectTemplate,
+ const FXJSE_CLASS_DESCRIPTOR* lpClassDefinition) {
+ v8::NamedPropertyHandlerConfiguration configuration(
+ lpClassDefinition->dynPropGetter ? NamedPropertyGetterCallback : 0,
+ lpClassDefinition->dynPropSetter ? NamedPropertySetterCallback : 0,
+ lpClassDefinition->dynPropTypeGetter ? NamedPropertyQueryCallback : 0,
+ lpClassDefinition->dynPropDeleter ? NamedPropertyDeleterCallback : 0,
+ NamedPropertyEnumeratorCallback,
+ v8::External::New(pIsolate,
+ const_cast<FXJSE_CLASS_DESCRIPTOR*>(lpClassDefinition)),
+ v8::PropertyHandlerFlags::kNonMasking);
+ hObjectTemplate->SetHandler(configuration);
+}
+
+CFXJSE_Class::CFXJSE_Class(CFXJSE_Context* lpContext)
+ : m_lpClassDefinition(nullptr), m_pContext(lpContext) {}
+
+CFXJSE_Class::~CFXJSE_Class() {}
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