diff options
Diffstat (limited to 'fpdfsdk/jsapi/fxjs_v8.cpp')
-rw-r--r-- | fpdfsdk/jsapi/fxjs_v8.cpp | 856 |
1 files changed, 0 insertions, 856 deletions
diff --git a/fpdfsdk/jsapi/fxjs_v8.cpp b/fpdfsdk/jsapi/fxjs_v8.cpp deleted file mode 100644 index ddeb28f237..0000000000 --- a/fpdfsdk/jsapi/fxjs_v8.cpp +++ /dev/null @@ -1,856 +0,0 @@ -// 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 "fpdfsdk/jsapi/include/fxjs_v8.h" - -#include <vector> - -#include "core/fxcrt/include/fx_basic.h" - -const wchar_t kFXJSValueNameString[] = L"string"; -const wchar_t kFXJSValueNameNumber[] = L"number"; -const wchar_t kFXJSValueNameBoolean[] = L"boolean"; -const wchar_t kFXJSValueNameDate[] = L"date"; -const wchar_t kFXJSValueNameObject[] = L"object"; -const wchar_t kFXJSValueNameFxobj[] = L"fxobj"; -const wchar_t kFXJSValueNameNull[] = L"null"; -const wchar_t kFXJSValueNameUndefined[] = L"undefined"; - -// Keep this consistent with the values defined in gin/public/context_holder.h -// (without actually requiring a dependency on gin itself for the standalone -// embedders of PDFIum). The value we want to use is: -// kPerContextDataStartIndex + kEmbedderPDFium, which is 3. -static const unsigned int kPerContextDataIndex = 3u; -static unsigned int g_embedderDataSlot = 1u; -static v8::Isolate* g_isolate = nullptr; -static size_t g_isolate_ref_count = 0; -static FXJS_ArrayBufferAllocator* g_arrayBufferAllocator = nullptr; -static v8::Global<v8::ObjectTemplate>* g_DefaultGlobalObjectTemplate = nullptr; - -class CFXJS_PerObjectData { - public: - explicit CFXJS_PerObjectData(int nObjDefID) - : m_ObjDefID(nObjDefID), m_pPrivate(nullptr) {} - - const int m_ObjDefID; - void* m_pPrivate; -}; - -class CFXJS_ObjDefinition { - public: - static int MaxID(v8::Isolate* pIsolate) { - return FXJS_PerIsolateData::Get(pIsolate)->m_ObjectDefnArray.size(); - } - - static CFXJS_ObjDefinition* ForID(v8::Isolate* pIsolate, int id) { - // Note: GetAt() halts if out-of-range even in release builds. - return FXJS_PerIsolateData::Get(pIsolate)->m_ObjectDefnArray[id]; - } - - CFXJS_ObjDefinition(v8::Isolate* isolate, - const wchar_t* sObjName, - FXJSOBJTYPE eObjType, - FXJS_CONSTRUCTOR pConstructor, - FXJS_DESTRUCTOR pDestructor) - : m_ObjName(sObjName), - m_ObjType(eObjType), - m_pConstructor(pConstructor), - m_pDestructor(pDestructor), - m_pIsolate(isolate) { - v8::Isolate::Scope isolate_scope(isolate); - v8::HandleScope handle_scope(isolate); - - v8::Local<v8::FunctionTemplate> fun = v8::FunctionTemplate::New(isolate); - fun->InstanceTemplate()->SetInternalFieldCount(2); - if (eObjType == FXJSOBJTYPE_GLOBAL) { - fun->InstanceTemplate()->Set( - v8::Symbol::GetToStringTag(isolate), - v8::String::NewFromUtf8(isolate, "global", v8::NewStringType::kNormal) - .ToLocalChecked()); - } - m_FunctionTemplate.Reset(isolate, fun); - - v8::Local<v8::Signature> sig = v8::Signature::New(isolate, fun); - m_Signature.Reset(isolate, sig); - } - - int AssignID() { - FXJS_PerIsolateData* pData = FXJS_PerIsolateData::Get(m_pIsolate); - pData->m_ObjectDefnArray.push_back(this); - return pData->m_ObjectDefnArray.size() - 1; - } - - v8::Local<v8::ObjectTemplate> GetInstanceTemplate() { - v8::EscapableHandleScope scope(m_pIsolate); - v8::Local<v8::FunctionTemplate> function = - m_FunctionTemplate.Get(m_pIsolate); - return scope.Escape(function->InstanceTemplate()); - } - - v8::Local<v8::Signature> GetSignature() { - v8::EscapableHandleScope scope(m_pIsolate); - return scope.Escape(m_Signature.Get(m_pIsolate)); - } - - const wchar_t* const m_ObjName; - const FXJSOBJTYPE m_ObjType; - const FXJS_CONSTRUCTOR m_pConstructor; - const FXJS_DESTRUCTOR m_pDestructor; - - v8::Isolate* m_pIsolate; - v8::Global<v8::FunctionTemplate> m_FunctionTemplate; - v8::Global<v8::Signature> m_Signature; -}; - -static v8::Local<v8::ObjectTemplate> GetGlobalObjectTemplate( - v8::Isolate* pIsolate) { - int maxID = CFXJS_ObjDefinition::MaxID(pIsolate); - for (int i = 0; i < maxID; ++i) { - CFXJS_ObjDefinition* pObjDef = CFXJS_ObjDefinition::ForID(pIsolate, i); - if (pObjDef->m_ObjType == FXJSOBJTYPE_GLOBAL) - return pObjDef->GetInstanceTemplate(); - } - if (!g_DefaultGlobalObjectTemplate) { - v8::Local<v8::ObjectTemplate> hGlobalTemplate = - v8::ObjectTemplate::New(pIsolate); - hGlobalTemplate->Set( - v8::Symbol::GetToStringTag(pIsolate), - v8::String::NewFromUtf8(pIsolate, "global", v8::NewStringType::kNormal) - .ToLocalChecked()); - g_DefaultGlobalObjectTemplate = - new v8::Global<v8::ObjectTemplate>(pIsolate, hGlobalTemplate); - } - return g_DefaultGlobalObjectTemplate->Get(pIsolate); -} - -void* FXJS_ArrayBufferAllocator::Allocate(size_t length) { - return calloc(1, length); -} - -void* FXJS_ArrayBufferAllocator::AllocateUninitialized(size_t length) { - return malloc(length); -} - -void FXJS_ArrayBufferAllocator::Free(void* data, size_t length) { - free(data); -} - -void V8TemplateMapTraits::Dispose(v8::Isolate* isolate, - v8::Global<v8::Object> value, - void* key) { - v8::Local<v8::Object> obj = value.Get(isolate); - if (obj.IsEmpty()) - return; - int id = FXJS_GetObjDefnID(obj); - if (id == -1) - return; - - CFXJS_ObjDefinition* pObjDef = CFXJS_ObjDefinition::ForID(isolate, id); - if (!pObjDef) - return; - if (pObjDef->m_pDestructor) - pObjDef->m_pDestructor(obj); - FXJS_FreePrivate(obj); -} - -V8TemplateMapTraits::MapType* V8TemplateMapTraits::MapFromWeakCallbackInfo( - const v8::WeakCallbackInfo<WeakCallbackDataType>& data) { - V8TemplateMap* pMap = - (FXJS_PerIsolateData::Get(data.GetIsolate()))->m_pDynamicObjsMap; - return pMap ? &pMap->m_map : nullptr; -} - -void FXJS_Initialize(unsigned int embedderDataSlot, v8::Isolate* pIsolate) { - if (g_isolate) { - ASSERT(g_embedderDataSlot == embedderDataSlot); - ASSERT(g_isolate == pIsolate); - return; - } - g_embedderDataSlot = embedderDataSlot; - g_isolate = pIsolate; -} - -void FXJS_Release() { - ASSERT(!g_isolate || g_isolate_ref_count == 0); - delete g_DefaultGlobalObjectTemplate; - g_DefaultGlobalObjectTemplate = nullptr; - g_isolate = nullptr; - - delete g_arrayBufferAllocator; - g_arrayBufferAllocator = nullptr; -} - -bool FXJS_GetIsolate(v8::Isolate** pResultIsolate) { - if (g_isolate) { - *pResultIsolate = g_isolate; - return false; - } - // Provide backwards compatibility when no external isolate. - if (!g_arrayBufferAllocator) - g_arrayBufferAllocator = new FXJS_ArrayBufferAllocator(); - v8::Isolate::CreateParams params; - params.array_buffer_allocator = g_arrayBufferAllocator; - *pResultIsolate = v8::Isolate::New(params); - return true; -} - -size_t FXJS_GlobalIsolateRefCount() { - return g_isolate_ref_count; -} - -V8TemplateMap::V8TemplateMap(v8::Isolate* isolate) : m_map(isolate) {} - -V8TemplateMap::~V8TemplateMap() {} - -void V8TemplateMap::set(void* key, v8::Local<v8::Object> handle) { - ASSERT(!m_map.Contains(key)); - m_map.Set(key, handle); -} - -FXJS_PerIsolateData::~FXJS_PerIsolateData() {} - -// static -void FXJS_PerIsolateData::SetUp(v8::Isolate* pIsolate) { - if (!pIsolate->GetData(g_embedderDataSlot)) - pIsolate->SetData(g_embedderDataSlot, new FXJS_PerIsolateData()); -} - -// static -FXJS_PerIsolateData* FXJS_PerIsolateData::Get(v8::Isolate* pIsolate) { - return static_cast<FXJS_PerIsolateData*>( - pIsolate->GetData(g_embedderDataSlot)); -} - -#ifndef PDF_ENABLE_XFA -FXJS_PerIsolateData::FXJS_PerIsolateData() : m_pDynamicObjsMap(nullptr) {} -#else // PDF_ENABLE_XFA -FXJS_PerIsolateData::FXJS_PerIsolateData() - : m_pFXJSERuntimeData(nullptr), m_pDynamicObjsMap(nullptr) {} -#endif // PDF_ENABLE_XFA - -int FXJS_DefineObj(v8::Isolate* pIsolate, - const wchar_t* sObjName, - FXJSOBJTYPE eObjType, - FXJS_CONSTRUCTOR pConstructor, - FXJS_DESTRUCTOR pDestructor) { - v8::Isolate::Scope isolate_scope(pIsolate); - v8::HandleScope handle_scope(pIsolate); - - FXJS_PerIsolateData::SetUp(pIsolate); - CFXJS_ObjDefinition* pObjDef = new CFXJS_ObjDefinition( - pIsolate, sObjName, eObjType, pConstructor, pDestructor); - return pObjDef->AssignID(); -} - -void FXJS_DefineObjMethod(v8::Isolate* pIsolate, - int nObjDefnID, - const wchar_t* sMethodName, - v8::FunctionCallback pMethodCall) { - v8::Isolate::Scope isolate_scope(pIsolate); - v8::HandleScope handle_scope(pIsolate); - CFX_ByteString bsMethodName = CFX_WideString(sMethodName).UTF8Encode(); - CFXJS_ObjDefinition* pObjDef = - CFXJS_ObjDefinition::ForID(pIsolate, nObjDefnID); - v8::Local<v8::FunctionTemplate> fun = v8::FunctionTemplate::New( - pIsolate, pMethodCall, v8::Local<v8::Value>(), pObjDef->GetSignature()); - fun->RemovePrototype(); - pObjDef->GetInstanceTemplate()->Set( - v8::String::NewFromUtf8(pIsolate, bsMethodName.c_str(), - v8::NewStringType::kNormal) - .ToLocalChecked(), - fun, v8::ReadOnly); -} - -void FXJS_DefineObjProperty(v8::Isolate* pIsolate, - int nObjDefnID, - const wchar_t* sPropName, - v8::AccessorGetterCallback pPropGet, - v8::AccessorSetterCallback pPropPut) { - v8::Isolate::Scope isolate_scope(pIsolate); - v8::HandleScope handle_scope(pIsolate); - CFX_ByteString bsPropertyName = CFX_WideString(sPropName).UTF8Encode(); - CFXJS_ObjDefinition* pObjDef = - CFXJS_ObjDefinition::ForID(pIsolate, nObjDefnID); - pObjDef->GetInstanceTemplate()->SetAccessor( - v8::String::NewFromUtf8(pIsolate, bsPropertyName.c_str(), - v8::NewStringType::kNormal) - .ToLocalChecked(), - pPropGet, pPropPut); -} - -void FXJS_DefineObjAllProperties(v8::Isolate* pIsolate, - int nObjDefnID, - v8::NamedPropertyQueryCallback pPropQurey, - v8::NamedPropertyGetterCallback pPropGet, - v8::NamedPropertySetterCallback pPropPut, - v8::NamedPropertyDeleterCallback pPropDel) { - v8::Isolate::Scope isolate_scope(pIsolate); - v8::HandleScope handle_scope(pIsolate); - CFXJS_ObjDefinition* pObjDef = - CFXJS_ObjDefinition::ForID(pIsolate, nObjDefnID); - pObjDef->GetInstanceTemplate()->SetNamedPropertyHandler(pPropGet, pPropPut, - pPropQurey, pPropDel); -} - -void FXJS_DefineObjConst(v8::Isolate* pIsolate, - int nObjDefnID, - const wchar_t* sConstName, - v8::Local<v8::Value> pDefault) { - v8::Isolate::Scope isolate_scope(pIsolate); - v8::HandleScope handle_scope(pIsolate); - CFX_ByteString bsConstName = CFX_WideString(sConstName).UTF8Encode(); - CFXJS_ObjDefinition* pObjDef = - CFXJS_ObjDefinition::ForID(pIsolate, nObjDefnID); - pObjDef->GetInstanceTemplate()->Set(pIsolate, bsConstName.c_str(), pDefault); -} - -void FXJS_DefineGlobalMethod(v8::Isolate* pIsolate, - const wchar_t* sMethodName, - v8::FunctionCallback pMethodCall) { - v8::Isolate::Scope isolate_scope(pIsolate); - v8::HandleScope handle_scope(pIsolate); - CFX_ByteString bsMethodName = CFX_WideString(sMethodName).UTF8Encode(); - v8::Local<v8::FunctionTemplate> fun = - v8::FunctionTemplate::New(pIsolate, pMethodCall); - fun->RemovePrototype(); - GetGlobalObjectTemplate(pIsolate)->Set( - v8::String::NewFromUtf8(pIsolate, bsMethodName.c_str(), - v8::NewStringType::kNormal) - .ToLocalChecked(), - fun, v8::ReadOnly); -} - -void FXJS_DefineGlobalConst(v8::Isolate* pIsolate, - const wchar_t* sConstName, - v8::FunctionCallback pConstGetter) { - v8::Isolate::Scope isolate_scope(pIsolate); - v8::HandleScope handle_scope(pIsolate); - CFX_ByteString bsConst = CFX_WideString(sConstName).UTF8Encode(); - v8::Local<v8::FunctionTemplate> fun = - v8::FunctionTemplate::New(pIsolate, pConstGetter); - fun->RemovePrototype(); - GetGlobalObjectTemplate(pIsolate)->SetAccessorProperty( - v8::String::NewFromUtf8(pIsolate, bsConst.c_str(), - v8::NewStringType::kNormal) - .ToLocalChecked(), - fun); -} - -void FXJS_InitializeRuntime( - v8::Isolate* pIsolate, - IJS_Runtime* pIRuntime, - v8::Global<v8::Context>* pV8PersistentContext, - std::vector<v8::Global<v8::Object>*>* pStaticObjects) { - if (pIsolate == g_isolate) - ++g_isolate_ref_count; - - v8::Isolate::Scope isolate_scope(pIsolate); - v8::HandleScope handle_scope(pIsolate); - - // This has to happen before we call GetGlobalObjectTemplate because that - // method gets the PerIsolateData from pIsolate. - FXJS_PerIsolateData::SetUp(pIsolate); - - v8::Local<v8::Context> v8Context = - v8::Context::New(pIsolate, nullptr, GetGlobalObjectTemplate(pIsolate)); - v8::Context::Scope context_scope(v8Context); - - FXJS_PerIsolateData* pData = FXJS_PerIsolateData::Get(pIsolate); - if (!pData) - return; - pData->CreateDynamicObjsMap(pIsolate); - v8Context->SetAlignedPointerInEmbedderData(kPerContextDataIndex, pIRuntime); - - int maxID = CFXJS_ObjDefinition::MaxID(pIsolate); - pStaticObjects->resize(maxID + 1); - for (int i = 0; i < maxID; ++i) { - CFXJS_ObjDefinition* pObjDef = CFXJS_ObjDefinition::ForID(pIsolate, i); - if (pObjDef->m_ObjType == FXJSOBJTYPE_GLOBAL) { - v8Context->Global() - ->GetPrototype() - ->ToObject(v8Context) - .ToLocalChecked() - ->SetAlignedPointerInInternalField(0, new CFXJS_PerObjectData(i)); - - if (pObjDef->m_pConstructor) - pObjDef->m_pConstructor(pIRuntime, v8Context->Global() - ->GetPrototype() - ->ToObject(v8Context) - .ToLocalChecked()); - } else if (pObjDef->m_ObjType == FXJSOBJTYPE_STATIC) { - CFX_ByteString bs = CFX_WideString(pObjDef->m_ObjName).UTF8Encode(); - v8::Local<v8::String> m_ObjName = - v8::String::NewFromUtf8(pIsolate, bs.c_str(), - v8::NewStringType::kNormal, bs.GetLength()) - .ToLocalChecked(); - - v8::Local<v8::Object> obj = - FXJS_NewFxDynamicObj(pIsolate, pIRuntime, i, true); - v8Context->Global()->Set(v8Context, m_ObjName, obj).FromJust(); - pStaticObjects->at(i) = new v8::Global<v8::Object>(pIsolate, obj); - } - } - pV8PersistentContext->Reset(pIsolate, v8Context); -} - -void FXJS_ReleaseRuntime(v8::Isolate* pIsolate, - v8::Global<v8::Context>* pV8PersistentContext, - std::vector<v8::Global<v8::Object>*>* pStaticObjects) { - v8::Isolate::Scope isolate_scope(pIsolate); - v8::HandleScope handle_scope(pIsolate); - v8::Local<v8::Context> context = - v8::Local<v8::Context>::New(pIsolate, *pV8PersistentContext); - v8::Context::Scope context_scope(context); - - FXJS_PerIsolateData* pData = FXJS_PerIsolateData::Get(pIsolate); - if (!pData) - return; - - int maxID = CFXJS_ObjDefinition::MaxID(pIsolate); - for (int i = 0; i < maxID; ++i) { - CFXJS_ObjDefinition* pObjDef = CFXJS_ObjDefinition::ForID(pIsolate, i); - v8::Local<v8::Object> pObj; - if (pObjDef->m_ObjType == FXJSOBJTYPE_GLOBAL) { - pObj = - context->Global()->GetPrototype()->ToObject(context).ToLocalChecked(); - } else if (pStaticObjects->at(i) && !pStaticObjects->at(i)->IsEmpty()) { - pObj = v8::Local<v8::Object>::New(pIsolate, *pStaticObjects->at(i)); - delete pStaticObjects->at(i); - pStaticObjects->at(i) = nullptr; - } - - if (!pObj.IsEmpty()) { - if (pObjDef->m_pDestructor) - pObjDef->m_pDestructor(pObj); - FXJS_FreePrivate(pObj); - } - } - - if (pIsolate == g_isolate && --g_isolate_ref_count > 0) - return; - - pData->ReleaseDynamicObjsMap(); - for (int i = 0; i < maxID; ++i) - delete CFXJS_ObjDefinition::ForID(pIsolate, i); - - pIsolate->SetData(g_embedderDataSlot, nullptr); - delete pData; -} - -IJS_Runtime* FXJS_GetRuntimeFromIsolate(v8::Isolate* pIsolate) { - v8::Local<v8::Context> context = pIsolate->GetCurrentContext(); - return static_cast<IJS_Runtime*>( - context->GetAlignedPointerFromEmbedderData(kPerContextDataIndex)); -} - -#ifdef PDF_ENABLE_XFA -void FXJS_SetRuntimeForV8Context(v8::Local<v8::Context> v8Context, - IJS_Runtime* pIRuntime) { - v8Context->SetAlignedPointerInEmbedderData(kPerContextDataIndex, pIRuntime); -} -#endif // PDF_ENABLE_XFA - -int FXJS_Execute(v8::Isolate* pIsolate, - const CFX_WideString& script, - FXJSErr* pError) { - v8::Isolate::Scope isolate_scope(pIsolate); - v8::TryCatch try_catch(pIsolate); - CFX_ByteString bsScript = script.UTF8Encode(); - v8::Local<v8::Context> context = pIsolate->GetCurrentContext(); - v8::Local<v8::Script> compiled_script; - if (!v8::Script::Compile(context, - v8::String::NewFromUtf8(pIsolate, bsScript.c_str(), - v8::NewStringType::kNormal, - bsScript.GetLength()) - .ToLocalChecked()) - .ToLocal(&compiled_script)) { - v8::String::Utf8Value error(try_catch.Exception()); - // TODO(tsepez): return error via pError->message. - return -1; - } - - v8::Local<v8::Value> result; - if (!compiled_script->Run(context).ToLocal(&result)) { - v8::String::Utf8Value error(try_catch.Exception()); - // TODO(tsepez): return error via pError->message. - return -1; - } - return 0; -} - -v8::Local<v8::Object> FXJS_NewFxDynamicObj(v8::Isolate* pIsolate, - IJS_Runtime* pIRuntime, - int nObjDefnID, - bool bStatic) { - v8::Isolate::Scope isolate_scope(pIsolate); - v8::Local<v8::Context> context = pIsolate->GetCurrentContext(); - if (nObjDefnID == -1) { - v8::Local<v8::ObjectTemplate> objTempl = v8::ObjectTemplate::New(pIsolate); - v8::Local<v8::Object> obj; - if (!objTempl->NewInstance(context).ToLocal(&obj)) - return v8::Local<v8::Object>(); - return obj; - } - - FXJS_PerIsolateData* pData = FXJS_PerIsolateData::Get(pIsolate); - if (!pData) - return v8::Local<v8::Object>(); - - if (nObjDefnID < 0 || nObjDefnID >= CFXJS_ObjDefinition::MaxID(pIsolate)) - return v8::Local<v8::Object>(); - - CFXJS_ObjDefinition* pObjDef = - CFXJS_ObjDefinition::ForID(pIsolate, nObjDefnID); - v8::Local<v8::Object> obj; - if (!pObjDef->GetInstanceTemplate()->NewInstance(context).ToLocal(&obj)) - return v8::Local<v8::Object>(); - - CFXJS_PerObjectData* pPerObjData = new CFXJS_PerObjectData(nObjDefnID); - obj->SetAlignedPointerInInternalField(0, pPerObjData); - if (pObjDef->m_pConstructor) - pObjDef->m_pConstructor(pIRuntime, obj); - - if (!bStatic && FXJS_PerIsolateData::Get(pIsolate)->m_pDynamicObjsMap) { - FXJS_PerIsolateData::Get(pIsolate) - ->m_pDynamicObjsMap->set(pPerObjData, obj); - } - return obj; -} - -v8::Local<v8::Object> FXJS_GetThisObj(v8::Isolate* pIsolate) { - v8::Isolate::Scope isolate_scope(pIsolate); - if (!FXJS_PerIsolateData::Get(pIsolate)) - return v8::Local<v8::Object>(); - - // Return the global object. - v8::Local<v8::Context> context = pIsolate->GetCurrentContext(); - return context->Global()->GetPrototype()->ToObject(context).ToLocalChecked(); -} - -int FXJS_GetObjDefnID(v8::Local<v8::Object> pObj) { - if (pObj.IsEmpty() || !pObj->InternalFieldCount()) - return -1; - CFXJS_PerObjectData* pPerObjectData = static_cast<CFXJS_PerObjectData*>( - pObj->GetAlignedPointerFromInternalField(0)); - if (pPerObjectData) - return pPerObjectData->m_ObjDefID; - return -1; -} - -void FXJS_Error(v8::Isolate* pIsolate, const CFX_WideString& message) { - // 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. - CFX_ByteString utf8_message = message.UTF8Encode(); - pIsolate->ThrowException(v8::String::NewFromUtf8(pIsolate, - utf8_message.c_str(), - v8::NewStringType::kNormal) - .ToLocalChecked()); -} - -const wchar_t* FXJS_GetTypeof(v8::Local<v8::Value> pObj) { - if (pObj.IsEmpty()) - return nullptr; - if (pObj->IsString()) - return kFXJSValueNameString; - if (pObj->IsNumber()) - return kFXJSValueNameNumber; - if (pObj->IsBoolean()) - return kFXJSValueNameBoolean; - if (pObj->IsDate()) - return kFXJSValueNameDate; - if (pObj->IsObject()) - return kFXJSValueNameObject; - if (pObj->IsNull()) - return kFXJSValueNameNull; - if (pObj->IsUndefined()) - return kFXJSValueNameUndefined; - return nullptr; -} - -void FXJS_SetPrivate(v8::Isolate* pIsolate, - v8::Local<v8::Object> pObj, - void* p) { - if (pObj.IsEmpty() || !pObj->InternalFieldCount()) - return; - CFXJS_PerObjectData* pPerObjectData = static_cast<CFXJS_PerObjectData*>( - pObj->GetAlignedPointerFromInternalField(0)); - if (!pPerObjectData) - return; - pPerObjectData->m_pPrivate = p; -} - -void* FXJS_GetPrivate(v8::Isolate* pIsolate, v8::Local<v8::Object> pObj) { - if (pObj.IsEmpty()) - return nullptr; - CFXJS_PerObjectData* pPerObjectData = nullptr; - if (pObj->InternalFieldCount()) { - pPerObjectData = static_cast<CFXJS_PerObjectData*>( - pObj->GetAlignedPointerFromInternalField(0)); - } else { - // It could be a global proxy object. - v8::Local<v8::Value> v = pObj->GetPrototype(); - v8::Local<v8::Context> context = pIsolate->GetCurrentContext(); - if (v->IsObject()) { - pPerObjectData = static_cast<CFXJS_PerObjectData*>( - v->ToObject(context) - .ToLocalChecked() - ->GetAlignedPointerFromInternalField(0)); - } - } - return pPerObjectData ? pPerObjectData->m_pPrivate : nullptr; -} - -void FXJS_FreePrivate(void* pPerObjectData) { - delete static_cast<CFXJS_PerObjectData*>(pPerObjectData); -} - -void FXJS_FreePrivate(v8::Local<v8::Object> pObj) { - if (pObj.IsEmpty() || !pObj->InternalFieldCount()) - return; - FXJS_FreePrivate(pObj->GetAlignedPointerFromInternalField(0)); - pObj->SetAlignedPointerInInternalField(0, nullptr); -} - -v8::Local<v8::String> FXJS_WSToJSString(v8::Isolate* pIsolate, - const CFX_WideString& wsPropertyName) { - CFX_ByteString bs = wsPropertyName.UTF8Encode(); - if (!pIsolate) - pIsolate = v8::Isolate::GetCurrent(); - return v8::String::NewFromUtf8(pIsolate, bs.c_str(), - v8::NewStringType::kNormal, bs.GetLength()) - .ToLocalChecked(); -} - -v8::Local<v8::Value> FXJS_GetObjectElement( - v8::Isolate* pIsolate, - v8::Local<v8::Object> pObj, - const CFX_WideString& wsPropertyName) { - if (pObj.IsEmpty()) - return v8::Local<v8::Value>(); - v8::Local<v8::Value> val; - if (!pObj->Get(pIsolate->GetCurrentContext(), - FXJS_WSToJSString(pIsolate, wsPropertyName)) - .ToLocal(&val)) - return v8::Local<v8::Value>(); - return val; -} - -v8::Local<v8::Array> FXJS_GetObjectElementNames(v8::Isolate* pIsolate, - v8::Local<v8::Object> pObj) { - if (pObj.IsEmpty()) - return v8::Local<v8::Array>(); - v8::Local<v8::Array> val; - if (!pObj->GetPropertyNames(pIsolate->GetCurrentContext()).ToLocal(&val)) - return v8::Local<v8::Array>(); - return val; -} - -void FXJS_PutObjectString(v8::Isolate* pIsolate, - v8::Local<v8::Object> pObj, - const CFX_WideString& wsPropertyName, - const CFX_WideString& wsValue) { - if (pObj.IsEmpty()) - return; - pObj->Set(pIsolate->GetCurrentContext(), - FXJS_WSToJSString(pIsolate, wsPropertyName), - FXJS_WSToJSString(pIsolate, wsValue)) - .FromJust(); -} - -void FXJS_PutObjectNumber(v8::Isolate* pIsolate, - v8::Local<v8::Object> pObj, - const CFX_WideString& wsPropertyName, - int nValue) { - if (pObj.IsEmpty()) - return; - pObj->Set(pIsolate->GetCurrentContext(), - FXJS_WSToJSString(pIsolate, wsPropertyName), - v8::Int32::New(pIsolate, nValue)) - .FromJust(); -} - -void FXJS_PutObjectNumber(v8::Isolate* pIsolate, - v8::Local<v8::Object> pObj, - const CFX_WideString& wsPropertyName, - float fValue) { - if (pObj.IsEmpty()) - return; - pObj->Set(pIsolate->GetCurrentContext(), - FXJS_WSToJSString(pIsolate, wsPropertyName), - v8::Number::New(pIsolate, (double)fValue)) - .FromJust(); -} - -void FXJS_PutObjectNumber(v8::Isolate* pIsolate, - v8::Local<v8::Object> pObj, - const CFX_WideString& wsPropertyName, - double dValue) { - if (pObj.IsEmpty()) - return; - pObj->Set(pIsolate->GetCurrentContext(), - FXJS_WSToJSString(pIsolate, wsPropertyName), - v8::Number::New(pIsolate, (double)dValue)) - .FromJust(); -} - -void FXJS_PutObjectBoolean(v8::Isolate* pIsolate, - v8::Local<v8::Object> pObj, - const CFX_WideString& wsPropertyName, - bool bValue) { - if (pObj.IsEmpty()) - return; - pObj->Set(pIsolate->GetCurrentContext(), - FXJS_WSToJSString(pIsolate, wsPropertyName), - v8::Boolean::New(pIsolate, bValue)) - .FromJust(); -} - -void FXJS_PutObjectObject(v8::Isolate* pIsolate, - v8::Local<v8::Object> pObj, - const CFX_WideString& wsPropertyName, - v8::Local<v8::Object> pPut) { - if (pObj.IsEmpty()) - return; - pObj->Set(pIsolate->GetCurrentContext(), - FXJS_WSToJSString(pIsolate, wsPropertyName), pPut) - .FromJust(); -} - -void FXJS_PutObjectNull(v8::Isolate* pIsolate, - v8::Local<v8::Object> pObj, - const CFX_WideString& wsPropertyName) { - if (pObj.IsEmpty()) - return; - pObj->Set(pIsolate->GetCurrentContext(), - FXJS_WSToJSString(pIsolate, wsPropertyName), - v8::Local<v8::Object>()) - .FromJust(); -} - -v8::Local<v8::Array> FXJS_NewArray(v8::Isolate* pIsolate) { - return v8::Array::New(pIsolate); -} - -unsigned FXJS_PutArrayElement(v8::Isolate* pIsolate, - v8::Local<v8::Array> pArray, - unsigned index, - v8::Local<v8::Value> pValue) { - if (pArray.IsEmpty()) - return 0; - if (pArray->Set(pIsolate->GetCurrentContext(), index, pValue).IsNothing()) - return 0; - return 1; -} - -v8::Local<v8::Value> FXJS_GetArrayElement(v8::Isolate* pIsolate, - v8::Local<v8::Array> pArray, - unsigned index) { - if (pArray.IsEmpty()) - return v8::Local<v8::Value>(); - v8::Local<v8::Value> val; - if (!pArray->Get(pIsolate->GetCurrentContext(), index).ToLocal(&val)) - return v8::Local<v8::Value>(); - return val; -} - -unsigned FXJS_GetArrayLength(v8::Local<v8::Array> pArray) { - if (pArray.IsEmpty()) - return 0; - return pArray->Length(); -} - -v8::Local<v8::Value> FXJS_NewNumber(v8::Isolate* pIsolate, int number) { - return v8::Int32::New(pIsolate, number); -} - -v8::Local<v8::Value> FXJS_NewNumber(v8::Isolate* pIsolate, double number) { - return v8::Number::New(pIsolate, number); -} - -v8::Local<v8::Value> FXJS_NewNumber(v8::Isolate* pIsolate, float number) { - return v8::Number::New(pIsolate, (float)number); -} - -v8::Local<v8::Value> FXJS_NewBoolean(v8::Isolate* pIsolate, bool b) { - return v8::Boolean::New(pIsolate, b); -} - -v8::Local<v8::Value> FXJS_NewObject(v8::Isolate* pIsolate, - v8::Local<v8::Object> pObj) { - if (pObj.IsEmpty()) - return v8::Local<v8::Value>(); - return pObj->Clone(); -} - -v8::Local<v8::Value> FXJS_NewObject2(v8::Isolate* pIsolate, - v8::Local<v8::Array> pObj) { - if (pObj.IsEmpty()) - return v8::Local<v8::Value>(); - return pObj->Clone(); -} - -v8::Local<v8::Value> FXJS_NewString(v8::Isolate* pIsolate, const wchar_t* str) { - return FXJS_WSToJSString(pIsolate, str); -} - -v8::Local<v8::Value> FXJS_NewNull() { - return v8::Local<v8::Value>(); -} - -v8::Local<v8::Value> FXJS_NewDate(v8::Isolate* pIsolate, double d) { - return v8::Date::New(pIsolate->GetCurrentContext(), d).ToLocalChecked(); -} - -int FXJS_ToInt32(v8::Isolate* pIsolate, v8::Local<v8::Value> pValue) { - if (pValue.IsEmpty()) - return 0; - v8::Local<v8::Context> context = pIsolate->GetCurrentContext(); - return pValue->ToInt32(context).ToLocalChecked()->Value(); -} - -bool FXJS_ToBoolean(v8::Isolate* pIsolate, v8::Local<v8::Value> pValue) { - if (pValue.IsEmpty()) - return false; - v8::Local<v8::Context> context = pIsolate->GetCurrentContext(); - return pValue->ToBoolean(context).ToLocalChecked()->Value(); -} - -double FXJS_ToNumber(v8::Isolate* pIsolate, v8::Local<v8::Value> pValue) { - if (pValue.IsEmpty()) - return 0.0; - v8::Local<v8::Context> context = pIsolate->GetCurrentContext(); - return pValue->ToNumber(context).ToLocalChecked()->Value(); -} - -v8::Local<v8::Object> FXJS_ToObject(v8::Isolate* pIsolate, - v8::Local<v8::Value> pValue) { - if (pValue.IsEmpty()) - return v8::Local<v8::Object>(); - v8::Local<v8::Context> context = pIsolate->GetCurrentContext(); - return pValue->ToObject(context).ToLocalChecked(); -} - -CFX_WideString FXJS_ToString(v8::Isolate* pIsolate, - v8::Local<v8::Value> pValue) { - if (pValue.IsEmpty()) - return L""; - v8::Local<v8::Context> context = pIsolate->GetCurrentContext(); - v8::String::Utf8Value s(pValue->ToString(context).ToLocalChecked()); - return CFX_WideString::FromUTF8(CFX_ByteStringC(*s, s.length())); -} - -v8::Local<v8::Array> FXJS_ToArray(v8::Isolate* pIsolate, - v8::Local<v8::Value> pValue) { - if (pValue.IsEmpty()) - return v8::Local<v8::Array>(); - v8::Local<v8::Context> context = pIsolate->GetCurrentContext(); - return v8::Local<v8::Array>::Cast(pValue->ToObject(context).ToLocalChecked()); -} - -void FXJS_ValueCopy(v8::Local<v8::Value>& pTo, v8::Local<v8::Value> pFrom) { - pTo = pFrom; -} |