diff options
Diffstat (limited to 'fxjs')
| -rw-r--r-- | fxjs/cjs_v8.cpp | 199 | ||||
| -rw-r--r-- | fxjs/cjs_v8.h | 82 | ||||
| -rw-r--r-- | fxjs/fxjs_v8.cpp | 332 | ||||
| -rw-r--r-- | fxjs/fxjs_v8.h | 50 |
4 files changed, 356 insertions, 307 deletions
diff --git a/fxjs/cjs_v8.cpp b/fxjs/cjs_v8.cpp new file mode 100644 index 0000000000..67f0cb52b1 --- /dev/null +++ b/fxjs/cjs_v8.cpp @@ -0,0 +1,199 @@ +// Copyright 2017 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 "fxjs/cjs_v8.h" + +CJS_V8::CJS_V8(v8::Isolate* isolate) : m_isolate(isolate) {} + +CJS_V8::~CJS_V8() { + m_V8PersistentContext.Reset(); +} + +v8::Local<v8::Value> CJS_V8::GetObjectProperty( + v8::Local<v8::Object> pObj, + const WideString& wsPropertyName) { + if (pObj.IsEmpty()) + return v8::Local<v8::Value>(); + v8::Local<v8::Value> val; + if (!pObj->Get(m_isolate->GetCurrentContext(), + NewString(wsPropertyName.AsStringView())) + .ToLocal(&val)) + return v8::Local<v8::Value>(); + return val; +} + +std::vector<WideString> CJS_V8::GetObjectPropertyNames( + v8::Local<v8::Object> pObj) { + if (pObj.IsEmpty()) + return std::vector<WideString>(); + + v8::Local<v8::Array> val; + v8::Local<v8::Context> context = m_isolate->GetCurrentContext(); + if (!pObj->GetPropertyNames(context).ToLocal(&val)) + return std::vector<WideString>(); + + std::vector<WideString> result; + for (uint32_t i = 0; i < val->Length(); ++i) { + result.push_back(ToWideString(val->Get(context, i).ToLocalChecked())); + } + + return result; +} + +void CJS_V8::PutObjectProperty(v8::Local<v8::Object> pObj, + const WideString& wsPropertyName, + v8::Local<v8::Value> pPut) { + if (pObj.IsEmpty()) + return; + pObj->Set(m_isolate->GetCurrentContext(), + NewString(wsPropertyName.AsStringView()), pPut) + .FromJust(); +} + +v8::Local<v8::Array> CJS_V8::NewArray() { + return v8::Array::New(m_isolate); +} + +unsigned CJS_V8::PutArrayElement(v8::Local<v8::Array> pArray, + unsigned index, + v8::Local<v8::Value> pValue) { + if (pArray.IsEmpty()) + return 0; + if (pArray->Set(m_isolate->GetCurrentContext(), index, pValue).IsNothing()) + return 0; + return 1; +} + +v8::Local<v8::Value> CJS_V8::GetArrayElement(v8::Local<v8::Array> pArray, + unsigned index) { + if (pArray.IsEmpty()) + return v8::Local<v8::Value>(); + v8::Local<v8::Value> val; + if (!pArray->Get(m_isolate->GetCurrentContext(), index).ToLocal(&val)) + return v8::Local<v8::Value>(); + return val; +} + +unsigned CJS_V8::GetArrayLength(v8::Local<v8::Array> pArray) { + if (pArray.IsEmpty()) + return 0; + return pArray->Length(); +} + +v8::Local<v8::Context> CJS_V8::NewLocalContext() { + return v8::Local<v8::Context>::New(m_isolate, m_V8PersistentContext); +} + +v8::Local<v8::Context> CJS_V8::GetPersistentContext() { + return m_V8PersistentContext.Get(m_isolate); +} + +v8::Local<v8::Number> CJS_V8::NewNumber(int number) { + return v8::Int32::New(m_isolate, number); +} + +v8::Local<v8::Number> CJS_V8::NewNumber(double number) { + return v8::Number::New(m_isolate, number); +} + +v8::Local<v8::Number> CJS_V8::NewNumber(float number) { + return v8::Number::New(m_isolate, (float)number); +} + +v8::Local<v8::Boolean> CJS_V8::NewBoolean(bool b) { + return v8::Boolean::New(m_isolate, b); +} + +v8::Local<v8::String> CJS_V8::NewString(const ByteStringView& str) { + v8::Isolate* pIsolate = m_isolate ? m_isolate : v8::Isolate::GetCurrent(); + return v8::String::NewFromUtf8(pIsolate, str.unterminated_c_str(), + v8::NewStringType::kNormal, str.GetLength()) + .ToLocalChecked(); +} + +v8::Local<v8::String> CJS_V8::NewString(const WideStringView& str) { + // Conversion from pdfium's wchar_t wide-strings to v8's uint16_t + // wide-strings isn't handled by v8, so use UTF8 as a common + // intermediate format. + return NewString(FX_UTF8Encode(str).AsStringView()); +} + +v8::Local<v8::Value> CJS_V8::NewNull() { + return v8::Null(m_isolate); +} + +v8::Local<v8::Value> CJS_V8::NewUndefined() { + return v8::Undefined(m_isolate); +} + +v8::Local<v8::Date> CJS_V8::NewDate(double d) { + return v8::Date::New(m_isolate->GetCurrentContext(), d) + .ToLocalChecked() + .As<v8::Date>(); +} + +int CJS_V8::ToInt32(v8::Local<v8::Value> pValue) { + if (pValue.IsEmpty()) + return 0; + v8::Local<v8::Context> context = m_isolate->GetCurrentContext(); + v8::MaybeLocal<v8::Int32> maybe_int32 = pValue->ToInt32(context); + if (maybe_int32.IsEmpty()) + return 0; + return maybe_int32.ToLocalChecked()->Value(); +} + +bool CJS_V8::ToBoolean(v8::Local<v8::Value> pValue) { + if (pValue.IsEmpty()) + return false; + v8::Local<v8::Context> context = m_isolate->GetCurrentContext(); + v8::MaybeLocal<v8::Boolean> maybe_boolean = pValue->ToBoolean(context); + if (maybe_boolean.IsEmpty()) + return false; + return maybe_boolean.ToLocalChecked()->Value(); +} + +double CJS_V8::ToDouble(v8::Local<v8::Value> pValue) { + if (pValue.IsEmpty()) + return 0.0; + v8::Local<v8::Context> context = m_isolate->GetCurrentContext(); + v8::MaybeLocal<v8::Number> maybe_number = pValue->ToNumber(context); + if (maybe_number.IsEmpty()) + return 0.0; + return maybe_number.ToLocalChecked()->Value(); +} + +WideString CJS_V8::ToWideString(v8::Local<v8::Value> pValue) { + if (pValue.IsEmpty()) + return WideString(); + v8::Local<v8::Context> context = m_isolate->GetCurrentContext(); + v8::MaybeLocal<v8::String> maybe_string = pValue->ToString(context); + if (maybe_string.IsEmpty()) + return WideString(); + v8::String::Utf8Value s(maybe_string.ToLocalChecked()); + return WideString::FromUTF8(ByteStringView(*s, s.length())); +} + +v8::Local<v8::Object> CJS_V8::ToObject(v8::Local<v8::Value> pValue) { + if (pValue.IsEmpty() || !pValue->IsObject()) + return v8::Local<v8::Object>(); + v8::Local<v8::Context> context = m_isolate->GetCurrentContext(); + return pValue->ToObject(context).ToLocalChecked(); +} + +v8::Local<v8::Array> CJS_V8::ToArray(v8::Local<v8::Value> pValue) { + if (pValue.IsEmpty() || !pValue->IsArray()) + return v8::Local<v8::Array>(); + v8::Local<v8::Context> context = m_isolate->GetCurrentContext(); + return v8::Local<v8::Array>::Cast(pValue->ToObject(context).ToLocalChecked()); +} + +void CJS_V8::SetConstArray(const WideString& name, v8::Local<v8::Array> array) { + m_ConstArrays[name] = v8::Global<v8::Array>(GetIsolate(), array); +} + +v8::Local<v8::Array> CJS_V8::GetConstArray(const WideString& name) { + return v8::Local<v8::Array>::New(GetIsolate(), m_ConstArrays[name]); +} diff --git a/fxjs/cjs_v8.h b/fxjs/cjs_v8.h new file mode 100644 index 0000000000..9060f019ab --- /dev/null +++ b/fxjs/cjs_v8.h @@ -0,0 +1,82 @@ +// Copyright 2017 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 + +#ifndef FXJS_CJS_V8_H_ +#define FXJS_CJS_V8_H_ + +#include <v8-util.h> +#include <v8.h> + +#include <map> +#include <vector> + +#include "core/fxcrt/bytestring.h" +#include "core/fxcrt/fx_string.h" +#include "core/fxcrt/widestring.h" + +class CJS_V8 { + public: + explicit CJS_V8(v8::Isolate* pIsolate); + virtual ~CJS_V8(); + + v8::Isolate* GetIsolate() const { return m_isolate; } + + v8::Local<v8::Context> NewLocalContext(); + v8::Local<v8::Context> GetPersistentContext(); + + v8::Local<v8::Value> NewNull(); + v8::Local<v8::Value> NewUndefined(); + v8::Local<v8::Array> NewArray(); + v8::Local<v8::Number> NewNumber(int number); + v8::Local<v8::Number> NewNumber(double number); + v8::Local<v8::Number> NewNumber(float number); + v8::Local<v8::Boolean> NewBoolean(bool b); + v8::Local<v8::String> NewString(const ByteStringView& str); + v8::Local<v8::String> NewString(const WideStringView& str); + v8::Local<v8::Date> NewDate(double d); + + int ToInt32(v8::Local<v8::Value> pValue); + bool ToBoolean(v8::Local<v8::Value> pValue); + double ToDouble(v8::Local<v8::Value> pValue); + WideString ToWideString(v8::Local<v8::Value> pValue); + v8::Local<v8::Object> ToObject(v8::Local<v8::Value> pValue); + v8::Local<v8::Array> ToArray(v8::Local<v8::Value> pValue); + + // Arrays. + unsigned GetArrayLength(v8::Local<v8::Array> pArray); + v8::Local<v8::Value> GetArrayElement(v8::Local<v8::Array> pArray, + unsigned index); + unsigned PutArrayElement(v8::Local<v8::Array> pArray, + unsigned index, + v8::Local<v8::Value> pValue); + + void SetConstArray(const WideString& name, v8::Local<v8::Array> array); + v8::Local<v8::Array> GetConstArray(const WideString& name); + + // Objects. + std::vector<WideString> GetObjectPropertyNames(v8::Local<v8::Object> pObj); + v8::Local<v8::Value> GetObjectProperty(v8::Local<v8::Object> pObj, + const WideString& PropertyName); + void PutObjectProperty(v8::Local<v8::Object> pObj, + const WideString& PropertyName, + v8::Local<v8::Value> pValue); + + protected: + void SetIsolate(v8::Isolate* pIsolate) { m_isolate = pIsolate; } + void ClearConstArray() { m_ConstArrays.clear(); } + + void ResetPersistentContext(v8::Local<v8::Context> context) { + m_V8PersistentContext.Reset(m_isolate, context); + } + void ReleasePersistentContext() { m_V8PersistentContext.Reset(); } + + private: + v8::Isolate* m_isolate; + std::map<WideString, v8::Global<v8::Array>> m_ConstArrays; + v8::Global<v8::Context> m_V8PersistentContext; +}; + +#endif // FXJS_CJS_V8_H_ diff --git a/fxjs/fxjs_v8.cpp b/fxjs/fxjs_v8.cpp index 441848205f..98f5ff720a 100644 --- a/fxjs/fxjs_v8.cpp +++ b/fxjs/fxjs_v8.cpp @@ -254,13 +254,11 @@ FXJS_PerIsolateData* FXJS_PerIsolateData::Get(v8::Isolate* pIsolate) { FXJS_PerIsolateData::FXJS_PerIsolateData(v8::Isolate* pIsolate) : m_pDynamicObjsMap(new V8TemplateMap(pIsolate)) {} -CFXJS_Engine::CFXJS_Engine() : m_isolate(nullptr) {} +CFXJS_Engine::CFXJS_Engine() : CJS_V8(nullptr) {} -CFXJS_Engine::CFXJS_Engine(v8::Isolate* pIsolate) : m_isolate(pIsolate) {} +CFXJS_Engine::CFXJS_Engine(v8::Isolate* pIsolate) : CJS_V8(pIsolate) {} -CFXJS_Engine::~CFXJS_Engine() { - m_V8PersistentContext.Reset(); -} +CFXJS_Engine::~CFXJS_Engine() = default; // static CFXJS_Engine* CFXJS_Engine::CurrentEngineFromIsolate(v8::Isolate* pIsolate) { @@ -292,23 +290,24 @@ int CFXJS_Engine::DefineObj(const char* sObjName, FXJSOBJTYPE eObjType, CFXJS_Engine::Constructor pConstructor, CFXJS_Engine::Destructor pDestructor) { - v8::Isolate::Scope isolate_scope(m_isolate); - v8::HandleScope handle_scope(m_isolate); - FXJS_PerIsolateData::SetUp(m_isolate); + v8::Isolate::Scope isolate_scope(GetIsolate()); + v8::HandleScope handle_scope(GetIsolate()); + FXJS_PerIsolateData::SetUp(GetIsolate()); CFXJS_ObjDefinition* pObjDef = new CFXJS_ObjDefinition( - m_isolate, sObjName, eObjType, pConstructor, pDestructor); + GetIsolate(), sObjName, eObjType, pConstructor, pDestructor); return pObjDef->AssignID(); } void CFXJS_Engine::DefineObjMethod(int nObjDefnID, const char* sMethodName, v8::FunctionCallback pMethodCall) { - v8::Isolate::Scope isolate_scope(m_isolate); - v8::HandleScope handle_scope(m_isolate); + v8::Isolate::Scope isolate_scope(GetIsolate()); + v8::HandleScope handle_scope(GetIsolate()); CFXJS_ObjDefinition* pObjDef = - CFXJS_ObjDefinition::ForID(m_isolate, nObjDefnID); + CFXJS_ObjDefinition::ForID(GetIsolate(), nObjDefnID); v8::Local<v8::FunctionTemplate> fun = v8::FunctionTemplate::New( - m_isolate, pMethodCall, v8::Local<v8::Value>(), pObjDef->GetSignature()); + GetIsolate(), pMethodCall, v8::Local<v8::Value>(), + pObjDef->GetSignature()); fun->RemovePrototype(); pObjDef->GetInstanceTemplate()->Set(NewString(sMethodName), fun, v8::ReadOnly); @@ -318,10 +317,10 @@ void CFXJS_Engine::DefineObjProperty(int nObjDefnID, const char* sPropName, v8::AccessorGetterCallback pPropGet, v8::AccessorSetterCallback pPropPut) { - v8::Isolate::Scope isolate_scope(m_isolate); - v8::HandleScope handle_scope(m_isolate); + v8::Isolate::Scope isolate_scope(GetIsolate()); + v8::HandleScope handle_scope(GetIsolate()); CFXJS_ObjDefinition* pObjDef = - CFXJS_ObjDefinition::ForID(m_isolate, nObjDefnID); + CFXJS_ObjDefinition::ForID(GetIsolate(), nObjDefnID); pObjDef->GetInstanceTemplate()->SetAccessor(NewString(sPropName), pPropGet, pPropPut); } @@ -332,10 +331,10 @@ void CFXJS_Engine::DefineObjAllProperties( v8::NamedPropertyGetterCallback pPropGet, v8::NamedPropertySetterCallback pPropPut, v8::NamedPropertyDeleterCallback pPropDel) { - v8::Isolate::Scope isolate_scope(m_isolate); - v8::HandleScope handle_scope(m_isolate); + v8::Isolate::Scope isolate_scope(GetIsolate()); + v8::HandleScope handle_scope(GetIsolate()); CFXJS_ObjDefinition* pObjDef = - CFXJS_ObjDefinition::ForID(m_isolate, nObjDefnID); + CFXJS_ObjDefinition::ForID(GetIsolate(), nObjDefnID); pObjDef->GetInstanceTemplate()->SetNamedPropertyHandler(pPropGet, pPropPut, pPropQurey, pPropDel); } @@ -343,56 +342,56 @@ void CFXJS_Engine::DefineObjAllProperties( void CFXJS_Engine::DefineObjConst(int nObjDefnID, const char* sConstName, v8::Local<v8::Value> pDefault) { - v8::Isolate::Scope isolate_scope(m_isolate); - v8::HandleScope handle_scope(m_isolate); + v8::Isolate::Scope isolate_scope(GetIsolate()); + v8::HandleScope handle_scope(GetIsolate()); CFXJS_ObjDefinition* pObjDef = - CFXJS_ObjDefinition::ForID(m_isolate, nObjDefnID); - pObjDef->GetInstanceTemplate()->Set(m_isolate, sConstName, pDefault); + CFXJS_ObjDefinition::ForID(GetIsolate(), nObjDefnID); + pObjDef->GetInstanceTemplate()->Set(GetIsolate(), sConstName, pDefault); } void CFXJS_Engine::DefineGlobalMethod(const char* sMethodName, v8::FunctionCallback pMethodCall) { - v8::Isolate::Scope isolate_scope(m_isolate); - v8::HandleScope handle_scope(m_isolate); + v8::Isolate::Scope isolate_scope(GetIsolate()); + v8::HandleScope handle_scope(GetIsolate()); v8::Local<v8::FunctionTemplate> fun = - v8::FunctionTemplate::New(m_isolate, pMethodCall); + v8::FunctionTemplate::New(GetIsolate(), pMethodCall); fun->RemovePrototype(); - GetGlobalObjectTemplate(m_isolate)->Set(NewString(sMethodName), fun, - v8::ReadOnly); + GetGlobalObjectTemplate(GetIsolate()) + ->Set(NewString(sMethodName), fun, v8::ReadOnly); } void CFXJS_Engine::DefineGlobalConst(const wchar_t* sConstName, v8::FunctionCallback pConstGetter) { - v8::Isolate::Scope isolate_scope(m_isolate); - v8::HandleScope handle_scope(m_isolate); + v8::Isolate::Scope isolate_scope(GetIsolate()); + v8::HandleScope handle_scope(GetIsolate()); v8::Local<v8::FunctionTemplate> fun = - v8::FunctionTemplate::New(m_isolate, pConstGetter); + v8::FunctionTemplate::New(GetIsolate(), pConstGetter); fun->RemovePrototype(); - GetGlobalObjectTemplate(m_isolate)->SetAccessorProperty(NewString(sConstName), - fun); + GetGlobalObjectTemplate(GetIsolate()) + ->SetAccessorProperty(NewString(sConstName), fun); } void CFXJS_Engine::InitializeEngine() { - if (m_isolate == g_isolate) + if (GetIsolate() == g_isolate) ++g_isolate_ref_count; - v8::Isolate::Scope isolate_scope(m_isolate); - v8::HandleScope handle_scope(m_isolate); + v8::Isolate::Scope isolate_scope(GetIsolate()); + v8::HandleScope handle_scope(GetIsolate()); // This has to happen before we call GetGlobalObjectTemplate because that - // method gets the PerIsolateData from m_isolate. - FXJS_PerIsolateData::SetUp(m_isolate); + // method gets the PerIsolateData from GetIsolate(). + FXJS_PerIsolateData::SetUp(GetIsolate()); - v8::Local<v8::Context> v8Context = - v8::Context::New(m_isolate, nullptr, GetGlobalObjectTemplate(m_isolate)); + v8::Local<v8::Context> v8Context = v8::Context::New( + GetIsolate(), nullptr, GetGlobalObjectTemplate(GetIsolate())); v8::Context::Scope context_scope(v8Context); v8Context->SetAlignedPointerInEmbedderData(kPerContextDataIndex, this); - int maxID = CFXJS_ObjDefinition::MaxID(m_isolate); + int maxID = CFXJS_ObjDefinition::MaxID(GetIsolate()); m_StaticObjects.resize(maxID + 1); for (int i = 0; i < maxID; ++i) { - CFXJS_ObjDefinition* pObjDef = CFXJS_ObjDefinition::ForID(m_isolate, i); + CFXJS_ObjDefinition* pObjDef = CFXJS_ObjDefinition::ForID(GetIsolate(), i); if (pObjDef->m_ObjType == FXJSOBJTYPE_GLOBAL) { CFXJS_PerObjectData::SetInObject(new CFXJS_PerObjectData(i), v8Context->Global() @@ -410,36 +409,35 @@ void CFXJS_Engine::InitializeEngine() { v8::Local<v8::Object> obj = NewFxDynamicObj(i, true); if (!obj.IsEmpty()) { v8Context->Global()->Set(v8Context, pObjName, obj).FromJust(); - m_StaticObjects[i] = new v8::Global<v8::Object>(m_isolate, obj); + m_StaticObjects[i] = new v8::Global<v8::Object>(GetIsolate(), obj); } else { m_StaticObjects[i] = nullptr; } } } - m_V8PersistentContext.Reset(m_isolate, v8Context); + ResetPersistentContext(v8Context); } void CFXJS_Engine::ReleaseEngine() { - v8::Isolate::Scope isolate_scope(m_isolate); - v8::HandleScope handle_scope(m_isolate); - v8::Local<v8::Context> context = - v8::Local<v8::Context>::New(m_isolate, m_V8PersistentContext); + v8::Isolate::Scope isolate_scope(GetIsolate()); + v8::HandleScope handle_scope(GetIsolate()); + v8::Local<v8::Context> context = NewLocalContext(); v8::Context::Scope context_scope(context); - FXJS_PerIsolateData* pData = FXJS_PerIsolateData::Get(m_isolate); + FXJS_PerIsolateData* pData = FXJS_PerIsolateData::Get(GetIsolate()); if (!pData) return; - m_ConstArrays.clear(); + ClearConstArray(); - int maxID = CFXJS_ObjDefinition::MaxID(m_isolate); + int maxID = CFXJS_ObjDefinition::MaxID(GetIsolate()); for (int i = 0; i < maxID; ++i) { - CFXJS_ObjDefinition* pObjDef = CFXJS_ObjDefinition::ForID(m_isolate, i); + CFXJS_ObjDefinition* pObjDef = CFXJS_ObjDefinition::ForID(GetIsolate(), i); v8::Local<v8::Object> pObj; if (pObjDef->m_ObjType == FXJSOBJTYPE_GLOBAL) { pObj = context->Global()->GetPrototype()->ToObject(context).ToLocalChecked(); } else if (m_StaticObjects[i] && !m_StaticObjects[i]->IsEmpty()) { - pObj = v8::Local<v8::Object>::New(m_isolate, *m_StaticObjects[i]); + pObj = v8::Local<v8::Object>::New(GetIsolate(), *m_StaticObjects[i]); delete m_StaticObjects[i]; m_StaticObjects[i] = nullptr; } @@ -451,19 +449,19 @@ void CFXJS_Engine::ReleaseEngine() { } } - m_V8PersistentContext.Reset(); + ReleasePersistentContext(); - if (m_isolate == g_isolate && --g_isolate_ref_count > 0) + if (GetIsolate() == g_isolate && --g_isolate_ref_count > 0) return; delete pData; - m_isolate->SetData(g_embedderDataSlot, nullptr); + GetIsolate()->SetData(g_embedderDataSlot, nullptr); } int CFXJS_Engine::Execute(const WideString& script, FXJSErr* pError) { - v8::Isolate::Scope isolate_scope(m_isolate); - v8::TryCatch try_catch(m_isolate); - v8::Local<v8::Context> context = m_isolate->GetCurrentContext(); + v8::Isolate::Scope isolate_scope(GetIsolate()); + v8::TryCatch try_catch(GetIsolate()); + v8::Local<v8::Context> context = GetIsolate()->GetCurrentContext(); v8::Local<v8::Script> compiled_script; if (!v8::Script::Compile(context, NewString(script.AsStringView())) .ToLocal(&compiled_script)) { @@ -483,25 +481,26 @@ int CFXJS_Engine::Execute(const WideString& script, FXJSErr* pError) { v8::Local<v8::Object> CFXJS_Engine::NewFxDynamicObj(int nObjDefnID, bool bStatic) { - v8::Isolate::Scope isolate_scope(m_isolate); - v8::Local<v8::Context> context = m_isolate->GetCurrentContext(); + v8::Isolate::Scope isolate_scope(GetIsolate()); + v8::Local<v8::Context> context = GetIsolate()->GetCurrentContext(); if (nObjDefnID == -1) { - v8::Local<v8::ObjectTemplate> objTempl = v8::ObjectTemplate::New(m_isolate); + v8::Local<v8::ObjectTemplate> objTempl = + v8::ObjectTemplate::New(GetIsolate()); v8::Local<v8::Object> obj; if (!objTempl->NewInstance(context).ToLocal(&obj)) return v8::Local<v8::Object>(); return obj; } - FXJS_PerIsolateData* pData = FXJS_PerIsolateData::Get(m_isolate); + FXJS_PerIsolateData* pData = FXJS_PerIsolateData::Get(GetIsolate()); if (!pData) return v8::Local<v8::Object>(); - if (nObjDefnID < 0 || nObjDefnID >= CFXJS_ObjDefinition::MaxID(m_isolate)) + if (nObjDefnID < 0 || nObjDefnID >= CFXJS_ObjDefinition::MaxID(GetIsolate())) return v8::Local<v8::Object>(); CFXJS_ObjDefinition* pObjDef = - CFXJS_ObjDefinition::ForID(m_isolate, nObjDefnID); + CFXJS_ObjDefinition::ForID(GetIsolate(), nObjDefnID); v8::Local<v8::Object> obj; if (!pObjDef->GetInstanceTemplate()->NewInstance(context).ToLocal(&obj)) return v8::Local<v8::Object>(); @@ -511,24 +510,25 @@ v8::Local<v8::Object> CFXJS_Engine::NewFxDynamicObj(int nObjDefnID, if (pObjDef->m_pConstructor) pObjDef->m_pConstructor(this, obj); - if (!bStatic && FXJS_PerIsolateData::Get(m_isolate)->m_pDynamicObjsMap) - FXJS_PerIsolateData::Get(m_isolate)->m_pDynamicObjsMap->set(pObjData, obj); + if (!bStatic && FXJS_PerIsolateData::Get(GetIsolate())->m_pDynamicObjsMap) + FXJS_PerIsolateData::Get(GetIsolate()) + ->m_pDynamicObjsMap->set(pObjData, obj); return obj; } v8::Local<v8::Object> CFXJS_Engine::GetThisObj() { - v8::Isolate::Scope isolate_scope(m_isolate); - if (!FXJS_PerIsolateData::Get(m_isolate)) + v8::Isolate::Scope isolate_scope(GetIsolate()); + if (!FXJS_PerIsolateData::Get(GetIsolate())) return v8::Local<v8::Object>(); // Return the global object. - v8::Local<v8::Context> context = m_isolate->GetCurrentContext(); + v8::Local<v8::Context> context = GetIsolate()->GetCurrentContext(); return context->Global()->GetPrototype()->ToObject(context).ToLocalChecked(); } void CFXJS_Engine::Error(const WideString& message) { - m_isolate->ThrowException(NewString(message.AsStringView())); + GetIsolate()->ThrowException(NewString(message.AsStringView())); } void CFXJS_Engine::SetObjectPrivate(v8::Local<v8::Object> pObj, void* p) { @@ -544,7 +544,7 @@ void* CFXJS_Engine::GetObjectPrivate(v8::Local<v8::Object> pObj) { if (!pData && !pObj.IsEmpty()) { // It could be a global proxy object. v8::Local<v8::Value> v = pObj->GetPrototype(); - v8::Local<v8::Context> context = m_isolate->GetCurrentContext(); + v8::Local<v8::Context> context = GetIsolate()->GetCurrentContext(); if (v->IsObject()) { pData = CFXJS_PerObjectData::GetFromObject( v->ToObject(context).ToLocalChecked()); @@ -552,191 +552,3 @@ void* CFXJS_Engine::GetObjectPrivate(v8::Local<v8::Object> pObj) { } return pData ? pData->m_pPrivate : nullptr; } - -v8::Local<v8::Value> CFXJS_Engine::GetObjectProperty( - v8::Local<v8::Object> pObj, - const WideString& wsPropertyName) { - if (pObj.IsEmpty()) - return v8::Local<v8::Value>(); - v8::Local<v8::Value> val; - if (!pObj->Get(m_isolate->GetCurrentContext(), - NewString(wsPropertyName.AsStringView())) - .ToLocal(&val)) - return v8::Local<v8::Value>(); - return val; -} - -std::vector<WideString> CFXJS_Engine::GetObjectPropertyNames( - v8::Local<v8::Object> pObj) { - if (pObj.IsEmpty()) - return std::vector<WideString>(); - - v8::Local<v8::Array> val; - v8::Local<v8::Context> context = m_isolate->GetCurrentContext(); - if (!pObj->GetPropertyNames(context).ToLocal(&val)) - return std::vector<WideString>(); - - std::vector<WideString> result; - for (uint32_t i = 0; i < val->Length(); ++i) { - result.push_back(ToWideString(val->Get(context, i).ToLocalChecked())); - } - - return result; -} - -void CFXJS_Engine::PutObjectProperty(v8::Local<v8::Object> pObj, - const WideString& wsPropertyName, - v8::Local<v8::Value> pPut) { - if (pObj.IsEmpty()) - return; - pObj->Set(m_isolate->GetCurrentContext(), - NewString(wsPropertyName.AsStringView()), pPut) - .FromJust(); -} - - -v8::Local<v8::Array> CFXJS_Engine::NewArray() { - return v8::Array::New(m_isolate); -} - -unsigned CFXJS_Engine::PutArrayElement(v8::Local<v8::Array> pArray, - unsigned index, - v8::Local<v8::Value> pValue) { - if (pArray.IsEmpty()) - return 0; - if (pArray->Set(m_isolate->GetCurrentContext(), index, pValue).IsNothing()) - return 0; - return 1; -} - -v8::Local<v8::Value> CFXJS_Engine::GetArrayElement(v8::Local<v8::Array> pArray, - unsigned index) { - if (pArray.IsEmpty()) - return v8::Local<v8::Value>(); - v8::Local<v8::Value> val; - if (!pArray->Get(m_isolate->GetCurrentContext(), index).ToLocal(&val)) - return v8::Local<v8::Value>(); - return val; -} - -unsigned CFXJS_Engine::GetArrayLength(v8::Local<v8::Array> pArray) { - if (pArray.IsEmpty()) - return 0; - return pArray->Length(); -} - -v8::Local<v8::Context> CFXJS_Engine::NewLocalContext() { - return v8::Local<v8::Context>::New(m_isolate, m_V8PersistentContext); -} - -v8::Local<v8::Context> CFXJS_Engine::GetPersistentContext() { - return m_V8PersistentContext.Get(m_isolate); -} - -v8::Local<v8::Number> CFXJS_Engine::NewNumber(int number) { - return v8::Int32::New(m_isolate, number); -} - -v8::Local<v8::Number> CFXJS_Engine::NewNumber(double number) { - return v8::Number::New(m_isolate, number); -} - -v8::Local<v8::Number> CFXJS_Engine::NewNumber(float number) { - return v8::Number::New(m_isolate, (float)number); -} - -v8::Local<v8::Boolean> CFXJS_Engine::NewBoolean(bool b) { - return v8::Boolean::New(m_isolate, b); -} - -v8::Local<v8::String> CFXJS_Engine::NewString(const ByteStringView& str) { - v8::Isolate* pIsolate = m_isolate ? m_isolate : v8::Isolate::GetCurrent(); - return v8::String::NewFromUtf8(pIsolate, str.unterminated_c_str(), - v8::NewStringType::kNormal, str.GetLength()) - .ToLocalChecked(); -} - -v8::Local<v8::String> CFXJS_Engine::NewString(const WideStringView& str) { - // Conversion from pdfium's wchar_t wide-strings to v8's uint16_t - // wide-strings isn't handled by v8, so use UTF8 as a common - // intermediate format. - return NewString(FX_UTF8Encode(str).AsStringView()); -} - -v8::Local<v8::Value> CFXJS_Engine::NewNull() { - return v8::Null(m_isolate); -} - -v8::Local<v8::Value> CFXJS_Engine::NewUndefined() { - return v8::Undefined(m_isolate); -} - -v8::Local<v8::Date> CFXJS_Engine::NewDate(double d) { - return v8::Date::New(m_isolate->GetCurrentContext(), d) - .ToLocalChecked() - .As<v8::Date>(); -} - -int CFXJS_Engine::ToInt32(v8::Local<v8::Value> pValue) { - if (pValue.IsEmpty()) - return 0; - v8::Local<v8::Context> context = m_isolate->GetCurrentContext(); - v8::MaybeLocal<v8::Int32> maybe_int32 = pValue->ToInt32(context); - if (maybe_int32.IsEmpty()) - return 0; - return maybe_int32.ToLocalChecked()->Value(); -} - -bool CFXJS_Engine::ToBoolean(v8::Local<v8::Value> pValue) { - if (pValue.IsEmpty()) - return false; - v8::Local<v8::Context> context = m_isolate->GetCurrentContext(); - v8::MaybeLocal<v8::Boolean> maybe_boolean = pValue->ToBoolean(context); - if (maybe_boolean.IsEmpty()) - return false; - return maybe_boolean.ToLocalChecked()->Value(); -} - -double CFXJS_Engine::ToDouble(v8::Local<v8::Value> pValue) { - if (pValue.IsEmpty()) - return 0.0; - v8::Local<v8::Context> context = m_isolate->GetCurrentContext(); - v8::MaybeLocal<v8::Number> maybe_number = pValue->ToNumber(context); - if (maybe_number.IsEmpty()) - return 0.0; - return maybe_number.ToLocalChecked()->Value(); -} - -WideString CFXJS_Engine::ToWideString(v8::Local<v8::Value> pValue) { - if (pValue.IsEmpty()) - return WideString(); - v8::Local<v8::Context> context = m_isolate->GetCurrentContext(); - v8::MaybeLocal<v8::String> maybe_string = pValue->ToString(context); - if (maybe_string.IsEmpty()) - return WideString(); - v8::String::Utf8Value s(maybe_string.ToLocalChecked()); - return WideString::FromUTF8(ByteStringView(*s, s.length())); -} - -v8::Local<v8::Object> CFXJS_Engine::ToObject(v8::Local<v8::Value> pValue) { - if (pValue.IsEmpty() || !pValue->IsObject()) - return v8::Local<v8::Object>(); - v8::Local<v8::Context> context = m_isolate->GetCurrentContext(); - return pValue->ToObject(context).ToLocalChecked(); -} - -v8::Local<v8::Array> CFXJS_Engine::ToArray(v8::Local<v8::Value> pValue) { - if (pValue.IsEmpty() || !pValue->IsArray()) - return v8::Local<v8::Array>(); - v8::Local<v8::Context> context = m_isolate->GetCurrentContext(); - return v8::Local<v8::Array>::Cast(pValue->ToObject(context).ToLocalChecked()); -} - -void CFXJS_Engine::SetConstArray(const WideString& name, - v8::Local<v8::Array> array) { - m_ConstArrays[name] = v8::Global<v8::Array>(GetIsolate(), array); -} - -v8::Local<v8::Array> CFXJS_Engine::GetConstArray(const WideString& name) { - return v8::Local<v8::Array>::New(GetIsolate(), m_ConstArrays[name]); -} diff --git a/fxjs/fxjs_v8.h b/fxjs/fxjs_v8.h index eee85e031d..4575235755 100644 --- a/fxjs/fxjs_v8.h +++ b/fxjs/fxjs_v8.h @@ -22,6 +22,7 @@ #include <vector> #include "core/fxcrt/fx_string.h" +#include "fxjs/cjs_v8.h" #ifdef PDF_ENABLE_XFA // Header for CFXJSE_RuntimeData. FXJS_V8 doesn't interpret this class, @@ -127,10 +128,10 @@ bool FXJS_GetIsolate(v8::Isolate** pResultIsolate); // Get the global isolate's ref count. size_t FXJS_GlobalIsolateRefCount(); -class CFXJS_Engine { +class CFXJS_Engine : public CJS_V8 { public: explicit CFXJS_Engine(v8::Isolate* pIsolate); - ~CFXJS_Engine(); + ~CFXJS_Engine() override; using Constructor = void (*)(CFXJS_Engine* pEngine, v8::Local<v8::Object> obj); @@ -139,8 +140,6 @@ class CFXJS_Engine { static CFXJS_Engine* CurrentEngineFromIsolate(v8::Isolate* pIsolate); static int GetObjDefnID(v8::Local<v8::Object> pObj); - v8::Isolate* GetIsolate() const { return m_isolate; } - // Always returns a valid, newly-created objDefnID. int DefineObj(const char* sObjName, FXJSOBJTYPE eObjType, @@ -174,66 +173,23 @@ class CFXJS_Engine { // Called after FXJS_InitializeEngine call made. int Execute(const WideString& script, FXJSErr* perror); - v8::Local<v8::Context> NewLocalContext(); - v8::Local<v8::Context> GetPersistentContext(); v8::Local<v8::Object> GetThisObj(); - v8::Local<v8::Value> NewNull(); - v8::Local<v8::Value> NewUndefined(); - v8::Local<v8::Array> NewArray(); - v8::Local<v8::Number> NewNumber(int number); - v8::Local<v8::Number> NewNumber(double number); - v8::Local<v8::Number> NewNumber(float number); - v8::Local<v8::Boolean> NewBoolean(bool b); - v8::Local<v8::String> NewString(const ByteStringView& str); - v8::Local<v8::String> NewString(const WideStringView& str); - v8::Local<v8::Date> NewDate(double d); v8::Local<v8::Object> NewFxDynamicObj(int nObjDefnID, bool bStatic = false); - int ToInt32(v8::Local<v8::Value> pValue); - bool ToBoolean(v8::Local<v8::Value> pValue); - double ToDouble(v8::Local<v8::Value> pValue); - WideString ToWideString(v8::Local<v8::Value> pValue); - v8::Local<v8::Object> ToObject(v8::Local<v8::Value> pValue); - v8::Local<v8::Array> ToArray(v8::Local<v8::Value> pValue); - - // Arrays. - unsigned GetArrayLength(v8::Local<v8::Array> pArray); - v8::Local<v8::Value> GetArrayElement(v8::Local<v8::Array> pArray, - unsigned index); - unsigned PutArrayElement(v8::Local<v8::Array> pArray, - unsigned index, - v8::Local<v8::Value> pValue); - - // Objects. - std::vector<WideString> GetObjectPropertyNames(v8::Local<v8::Object> pObj); - v8::Local<v8::Value> GetObjectProperty(v8::Local<v8::Object> pObj, - const WideString& PropertyName); - void PutObjectProperty(v8::Local<v8::Object> pObj, - const WideString& PropertyName, - v8::Local<v8::Value> pValue); - // Native object binding. void SetObjectPrivate(v8::Local<v8::Object> pObj, void* p); void* GetObjectPrivate(v8::Local<v8::Object> pObj); static void FreeObjectPrivate(void* p); static void FreeObjectPrivate(v8::Local<v8::Object> pObj); - void SetConstArray(const WideString& name, v8::Local<v8::Array> array); - v8::Local<v8::Array> GetConstArray(const WideString& name); - void Error(const WideString& message); protected: CFXJS_Engine(); - void SetIsolate(v8::Isolate* pIsolate) { m_isolate = pIsolate; } - private: - v8::Isolate* m_isolate; - v8::Global<v8::Context> m_V8PersistentContext; std::vector<v8::Global<v8::Object>*> m_StaticObjects; - std::map<WideString, v8::Global<v8::Array>> m_ConstArrays; }; #endif // FXJS_FXJS_V8_H_ |