// Copyright 2014 PDFium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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#include "fxjs/include/fxjs_v8.h"
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#include <vector>
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#include "core/fxcrt/include/fx_basic.h"
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// Keep this consistent with the values defined in gin/public/context_holder.h
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// (without actually requiring a dependency on gin itself for the standalone
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// embedders of PDFIum). The value we want to use is:
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// kPerContextDataStartIndex + kEmbedderPDFium, which is 3.
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static const unsigned int kPerContextDataIndex = 3u;
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static unsigned int g_embedderDataSlot = 1u;
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static v8::Isolate* g_isolate = nullptr;
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static size_t g_isolate_ref_count = 0;
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static FXJS_ArrayBufferAllocator* g_arrayBufferAllocator = nullptr;
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static v8::Global<v8::ObjectTemplate>* g_DefaultGlobalObjectTemplate = nullptr;
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class CFXJS_PerObjectData {
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public:
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explicit CFXJS_PerObjectData(int nObjDefID)
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: m_ObjDefID(nObjDefID), m_pPrivate(nullptr) {}
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const int m_ObjDefID;
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void* m_pPrivate;
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};
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class CFXJS_ObjDefinition {
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public:
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static int MaxID(v8::Isolate* pIsolate) {
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return FXJS_PerIsolateData::Get(pIsolate)->m_ObjectDefnArray.size();
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}
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static CFXJS_ObjDefinition* ForID(v8::Isolate* pIsolate, int id) {
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// Note: GetAt() halts if out-of-range even in release builds.
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return FXJS_PerIsolateData::Get(pIsolate)->m_ObjectDefnArray[id];
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}
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CFXJS_ObjDefinition(v8::Isolate* isolate,
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const wchar_t* sObjName,
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FXJSOBJTYPE eObjType,
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FXJS_CONSTRUCTOR pConstructor,
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FXJS_DESTRUCTOR pDestructor)
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: m_ObjName(sObjName),
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m_ObjType(eObjType),
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m_pConstructor(pConstructor),
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m_pDestructor(pDestructor),
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m_pIsolate(isolate) {
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v8::Isolate::Scope isolate_scope(isolate);
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v8::HandleScope handle_scope(isolate);
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v8::Local<v8::FunctionTemplate> fun = v8::FunctionTemplate::New(isolate);
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fun->InstanceTemplate()->SetInternalFieldCount(2);
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if (eObjType == FXJSOBJTYPE_GLOBAL) {
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fun->InstanceTemplate()->Set(
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v8::Symbol::GetToStringTag(isolate),
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v8::String::NewFromUtf8(isolate, "global", v8::NewStringType::kNormal)
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.ToLocalChecked());
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}
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m_FunctionTemplate.Reset(isolate, fun);
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v8::Local<v8::Signature> sig = v8::Signature::New(isolate, fun);
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m_Signature.Reset(isolate, sig);
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}
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int AssignID() {
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FXJS_PerIsolateData* pData = FXJS_PerIsolateData::Get(m_pIsolate);
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pData->m_ObjectDefnArray.push_back(this);
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return pData->m_ObjectDefnArray.size() - 1;
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}
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v8::Local<v8::ObjectTemplate> GetInstanceTemplate() {
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v8::EscapableHandleScope scope(m_pIsolate);
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v8::Local<v8::FunctionTemplate> function =
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m_FunctionTemplate.Get(m_pIsolate);
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return scope.Escape(function->InstanceTemplate());
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}
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v8::Local<v8::Signature> GetSignature() {
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v8::EscapableHandleScope scope(m_pIsolate);
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return scope.Escape(m_Signature.Get(m_pIsolate));
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}
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const wchar_t* const m_ObjName;
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const FXJSOBJTYPE m_ObjType;
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const FXJS_CONSTRUCTOR m_pConstructor;
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const FXJS_DESTRUCTOR m_pDestructor;
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v8::Isolate* m_pIsolate;
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v8::Global<v8::FunctionTemplate> m_FunctionTemplate;
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v8::Global<v8::Signature> m_Signature;
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};
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static v8::Local<v8::ObjectTemplate> GetGlobalObjectTemplate(
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v8::Isolate* pIsolate) {
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int maxID = CFXJS_ObjDefinition::MaxID(pIsolate);
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for (int i = 0; i < maxID; ++i) {
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CFXJS_ObjDefinition* pObjDef = CFXJS_ObjDefinition::ForID(pIsolate, i);
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if (pObjDef->m_ObjType == FXJSOBJTYPE_GLOBAL)
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return pObjDef->GetInstanceTemplate();
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}
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if (!g_DefaultGlobalObjectTemplate) {
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v8::Local<v8::ObjectTemplate> hGlobalTemplate =
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v8::ObjectTemplate::New(pIsolate);
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hGlobalTemplate->Set(
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v8::Symbol::GetToStringTag(pIsolate),
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v8::String::NewFromUtf8(pIsolate, "global", v8::NewStringType::kNormal)
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.ToLocalChecked());
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g_DefaultGlobalObjectTemplate =
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new v8::Global<v8::ObjectTemplate>(pIsolate, hGlobalTemplate);
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}
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return g_DefaultGlobalObjectTemplate->Get(pIsolate);
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}
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void* FXJS_ArrayBufferAllocator::Allocate(size_t length) {
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return calloc(1, length);
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}
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void* FXJS_ArrayBufferAllocator::AllocateUninitialized(size_t length) {
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return malloc(length);
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}
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void FXJS_ArrayBufferAllocator::Free(void* data, size_t length) {
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free(data);
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}
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void V8TemplateMapTraits::Dispose(v8::Isolate* isolate,
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v8::Global<v8::Object> value,
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void* key) {
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v8::Local<v8::Object> obj = value.Get(isolate);
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if (obj.IsEmpty())
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return;
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int id = FXJS_GetObjDefnID(obj);
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if (id == -1)
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return;
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CFXJS_ObjDefinition* pObjDef = CFXJS_ObjDefinition::ForID(isolate, id);
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if (!pObjDef)
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return;
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if (pObjDef->m_pDestructor)
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pObjDef->m_pDestructor(obj);
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FXJS_FreePrivate(obj);
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}
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V8TemplateMapTraits::MapType* V8TemplateMapTraits::MapFromWeakCallbackInfo(
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const v8::WeakCallbackInfo<WeakCallbackDataType>& data) {
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V8TemplateMap* pMap =
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(FXJS_PerIsolateData::Get(data.GetIsolate()))->m_pDynamicObjsMap;
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return pMap ? &pMap->m_map : nullptr;
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}
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void FXJS_Initialize(unsigned int embedderDataSlot, v8::Isolate* pIsolate) {
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if (g_isolate) {
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ASSERT(g_embedderDataSlot == embedderDataSlot);
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ASSERT(g_isolate == pIsolate);
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return;
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}
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g_embedderDataSlot = embedderDataSlot;
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g_isolate = pIsolate;
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}
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void FXJS_Release() {
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ASSERT(!g_isolate || g_isolate_ref_count == 0);
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delete g_DefaultGlobalObjectTemplate;
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g_DefaultGlobalObjectTemplate = nullptr;
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g_isolate = nullptr;
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delete g_arrayBufferAllocator;
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g_arrayBufferAllocator = nullptr;
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}
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bool FXJS_GetIsolate(v8::Isolate** pResultIsolate) {
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if (g_isolate) {
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*pResultIsolate = g_isolate;
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return false;
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}
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// Provide backwards compatibility when no external isolate.
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if (!g_arrayBufferAllocator)
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g_arrayBufferAllocator = new FXJS_ArrayBufferAllocator();
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v8::Isolate::CreateParams params;
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params.array_buffer_allocator = g_arrayBufferAllocator;
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*pResultIsolate = v8::Isolate::New(params);
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return true;
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}
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size_t FXJS_GlobalIsolateRefCount() {
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return g_isolate_ref_count;
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}
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V8TemplateMap::V8TemplateMap(v8::Isolate* isolate) : m_map(isolate) {}
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V8TemplateMap::~V8TemplateMap() {}
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void V8TemplateMap::set(void* key, v8::Local<v8::Object> handle) {
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ASSERT(!m_map.Contains(key));
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m_map.Set(key, handle);
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}
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FXJS_PerIsolateData::~FXJS_PerIsolateData() {}
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// static
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void FXJS_PerIsolateData::SetUp(v8::Isolate* pIsolate) {
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if (!pIsolate->GetData(g_embedderDataSlot))
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pIsolate->SetData(g_embedderDataSlot, new FXJS_PerIsolateData());
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}
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// static
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FXJS_PerIsolateData* FXJS_PerIsolateData::Get(v8::Isolate* pIsolate) {
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return static_cast<FXJS_PerIsolateData*>(
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pIsolate->GetData(g_embedderDataSlot));
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}
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#ifndef PDF_ENABLE_XFA
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FXJS_PerIsolateData::FXJS_PerIsolateData() : m_pDynamicObjsMap(nullptr) {}
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#else // PDF_ENABLE_XFA
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FXJS_PerIsolateData::FXJS_PerIsolateData()
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: m_pFXJSERuntimeData(nullptr), m_pDynamicObjsMap(nullptr) {}
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#endif // PDF_ENABLE_XFA
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int FXJS_DefineObj(v8::Isolate* pIsolate,
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const wchar_t* sObjName,
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FXJSOBJTYPE eObjType,
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FXJS_CONSTRUCTOR pConstructor,
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FXJS_DESTRUCTOR pDestructor) {
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v8::Isolate::Scope isolate_scope(pIsolate);
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v8::HandleScope handle_scope(pIsolate);
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FXJS_PerIsolateData::SetUp(pIsolate);
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CFXJS_ObjDefinition* pObjDef = new CFXJS_ObjDefinition(
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pIsolate, sObjName, eObjType, pConstructor, pDestructor);
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return pObjDef->AssignID();
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}
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void FXJS_DefineObjMethod(v8::Isolate* pIsolate,
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int nObjDefnID,
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const wchar_t* sMethodName,
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v8::FunctionCallback pMethodCall) {
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v8::Isolate::Scope isolate_scope(pIsolate);
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v8::HandleScope handle_scope(pIsolate);
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CFX_ByteString bsMethodName = CFX_WideString(sMethodName).UTF8Encode();
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CFXJS_ObjDefinition* pObjDef =
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CFXJS_ObjDefinition::ForID(pIsolate, nObjDefnID);
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v8::Local<v8::FunctionTemplate> fun = v8::FunctionTemplate::New(
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pIsolate, pMethodCall, v8::Local<v8::Value>(), pObjDef->GetSignature());
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fun->RemovePrototype();
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pObjDef->GetInstanceTemplate()->Set(
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v8::String::NewFromUtf8(pIsolate, bsMethodName.c_str(),
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v8::NewStringType::kNormal)
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.ToLocalChecked(),
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fun, v8::ReadOnly);
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}
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void FXJS_DefineObjProperty(v8::Isolate* pIsolate,
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int nObjDefnID,
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const wchar_t* sPropName,
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v8::AccessorGetterCallback pPropGet,
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v8::AccessorSetterCallback pPropPut) {
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v8::Isolate::Scope isolate_scope(pIsolate);
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v8::HandleScope handle_scope(pIsolate);
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CFX_ByteString bsPropertyName = CFX_WideString(sPropName).UTF8Encode();
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CFXJS_ObjDefinition* pObjDef =
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CFXJS_ObjDefinition::ForID(pIsolate, nObjDefnID);
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pObjDef->GetInstanceTemplate()->SetAccessor(
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v8::String::NewFromUtf8(pIsolate, bsPropertyName.c_str(),
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v8::NewStringType::kNormal)
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.ToLocalChecked(),
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pPropGet, pPropPut);
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}
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void FXJS_DefineObjAllProperties(v8::Isolate* pIsolate,
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int nObjDefnID,
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v8::NamedPropertyQueryCallback pPropQurey,
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v8::NamedPropertyGetterCallback pPropGet,
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v8::NamedPropertySetterCallback pPropPut,
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v8::NamedPropertyDeleterCallback pPropDel) {
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v8::Isolate::Scope isolate_scope(pIsolate);
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v8::HandleScope handle_scope(pIsolate);
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CFXJS_ObjDefinition* pObjDef =
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CFXJS_ObjDefinition::ForID(pIsolate, nObjDefnID);
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pObjDef->GetInstanceTemplate()->SetNamedPropertyHandler(pPropGet, pPropPut,
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pPropQurey, pPropDel);
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}
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void FXJS_DefineObjConst(v8::Isolate* pIsolate,
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int nObjDefnID,
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const wchar_t* sConstName,
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v8::Local<v8::Value> pDefault) {
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v8::Isolate::Scope isolate_scope(pIsolate);
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v8::HandleScope handle_scope(pIsolate);
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CFX_ByteString bsConstName = CFX_WideString(sConstName).UTF8Encode();
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CFXJS_ObjDefinition* pObjDef =
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CFXJS_ObjDefinition::ForID(pIsolate, nObjDefnID);
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pObjDef->GetInstanceTemplate()->Set(pIsolate, bsConstName.c_str(), pDefault);
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}
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void FXJS_DefineGlobalMethod(v8::Isolate* pIsolate,
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const wchar_t* sMethodName,
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v8::FunctionCallback pMethodCall) {
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v8::Isolate::Scope isolate_scope(pIsolate);
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v8::HandleScope handle_scope(pIsolate);
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CFX_ByteString bsMethodName = CFX_WideString(sMethodName).UTF8Encode();
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v8::Local<v8::FunctionTemplate> fun =
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v8::FunctionTemplate::New(pIsolate, pMethodCall);
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fun->RemovePrototype();
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GetGlobalObjectTemplate(pIsolate)->Set(
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v8::String::NewFromUtf8(pIsolate, bsMethodName.c_str(),
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v8::NewStringType::kNormal)
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.ToLocalChecked(),
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fun, v8::ReadOnly);
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}
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void FXJS_DefineGlobalConst(v8::Isolate* pIsolate,
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const wchar_t* sConstName,
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v8::FunctionCallback pConstGetter) {
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v8::Isolate::Scope isolate_scope(pIsolate);
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v8::HandleScope handle_scope(pIsolate);
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CFX_ByteString bsConst = CFX_WideString(sConstName).UTF8Encode();
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v8::Local<v8::FunctionTemplate> fun =
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v8::FunctionTemplate::New(pIsolate, pConstGetter);
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fun->RemovePrototype();
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GetGlobalObjectTemplate(pIsolate)->SetAccessorProperty(
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v8::String::NewFromUtf8(pIsolate, bsConst.c_str(),
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v8::NewStringType::kNormal)
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.ToLocalChecked(),
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fun);
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}
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void FXJS_InitializeRuntime(
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v8::Isolate* pIsolate,
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IJS_Runtime* pIRuntime,
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v8::Global<v8::Context>* pV8PersistentContext,
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std::vector<v8::Global<v8::Object>*>* pStaticObjects) {
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if (pIsolate == g_isolate)
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++g_isolate_ref_count;
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v8::Isolate::Scope isolate_scope(pIsolate);
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v8::HandleScope handle_scope(pIsolate);
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// This has to happen before we call GetGlobalObjectTemplate because that
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// method gets the PerIsolateData from pIsolate.
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FXJS_PerIsolateData::SetUp(pIsolate);
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v8::Local<v8::Context> v8Context =
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v8::Context::New(pIsolate, nullptr, GetGlobalObjectTemplate(pIsolate));
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v8::Context::Scope context_scope(v8Context);
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FXJS_PerIsolateData* pData = FXJS_PerIsolateData::Get(pIsolate);
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if (!pData)
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return;
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pData->CreateDynamicObjsMap(pIsolate);
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v8Context->SetAlignedPointerInEmbedderData(kPerContextDataIndex, pIRuntime);
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int maxID = CFXJS_ObjDefinition::MaxID(pIsolate);
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pStaticObjects->resize(maxID + 1);
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for (int i = 0; i < maxID; ++i) {
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CFXJS_ObjDefinition* pObjDef = CFXJS_ObjDefinition::ForID(pIsolate, i);
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if (pObjDef->m_ObjType == FXJSOBJTYPE_GLOBAL) {
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v8Context->Global()
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->GetPrototype()
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->ToObject(v8Context)
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.ToLocalChecked()
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->SetAlignedPointerInInternalField(0, new CFXJS_PerObjectData(i));
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if (pObjDef->m_pConstructor)
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pObjDef->m_pConstructor(pIRuntime, v8Context->Global()
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->GetPrototype()
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->ToObject(v8Context)
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.ToLocalChecked());
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} else if (pObjDef->m_ObjType == FXJSOBJTYPE_STATIC) {
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CFX_ByteString bs = CFX_WideString(pObjDef->m_ObjName).UTF8Encode();
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v8::Local<v8::String> m_ObjName =
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v8::String::NewFromUtf8(pIsolate, bs.c_str(),
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v8::NewStringType::kNormal, bs.GetLength())
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.ToLocalChecked();
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v8::Local<v8::Object> obj =
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FXJS_NewFxDynamicObj(pIsolate, pIRuntime, i, true);
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v8Context->Global()->Set(v8Context, m_ObjName, obj).FromJust();
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pStaticObjects->at(i) = new v8::Global<v8::Object>(pIsolate, obj);
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}
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}
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pV8PersistentContext->Reset(pIsolate, v8Context);
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}
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void FXJS_ReleaseRuntime(v8::Isolate* pIsolate,
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v8::Global<v8::Context>* pV8PersistentContext,
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std::vector<v8::Global<v8::Object>*>* pStaticObjects) {
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v8::Isolate::Scope isolate_scope(pIsolate);
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v8::HandleScope handle_scope(pIsolate);
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v8::Local<v8::Context> context =
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v8::Local<v8::Context>::New(pIsolate, *pV8PersistentContext);
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v8::Context::Scope context_scope(context);
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FXJS_PerIsolateData* pData = FXJS_PerIsolateData::Get(pIsolate);
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if (!pData)
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return;
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int maxID = CFXJS_ObjDefinition::MaxID(pIsolate);
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for (int i = 0; i < maxID; ++i) {
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CFXJS_ObjDefinition* pObjDef = CFXJS_ObjDefinition::ForID(pIsolate, i);
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v8::Local<v8::Object> pObj;
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if (pObjDef->m_ObjType == FXJSOBJTYPE_GLOBAL) {
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pObj =
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context->Global()->GetPrototype()->ToObject(context).ToLocalChecked();
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} else if (pStaticObjects->at(i) && !pStaticObjects->at(i)->IsEmpty()) {
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pObj = v8::Local<v8::Object>::New(pIsolate, *pStaticObjects->at(i));
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delete pStaticObjects->at(i);
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pStaticObjects->at(i) = nullptr;
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}
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if (!pObj.IsEmpty()) {
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if (pObjDef->m_pDestructor)
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pObjDef->m_pDestructor(pObj);
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FXJS_FreePrivate(pObj);
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}
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}
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if (pIsolate == g_isolate && --g_isolate_ref_count > 0)
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return;
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pData->ReleaseDynamicObjsMap();
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for (int i = 0; i < maxID; ++i)
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delete CFXJS_ObjDefinition::ForID(pIsolate, i);
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pIsolate->SetData(g_embedderDataSlot, nullptr);
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delete pData;
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}
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IJS_Runtime* FXJS_GetRuntimeFromIsolate(v8::Isolate* pIsolate) {
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v8::Local<v8::Context> context = pIsolate->GetCurrentContext();
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return static_cast<IJS_Runtime*>(
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context->GetAlignedPointerFromEmbedderData(kPerContextDataIndex));
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}
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#ifdef PDF_ENABLE_XFA
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void FXJS_SetRuntimeForV8Context(v8::Local<v8::Context> v8Context,
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IJS_Runtime* pIRuntime) {
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v8Context->SetAlignedPointerInEmbedderData(kPerContextDataIndex, pIRuntime);
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}
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#endif // PDF_ENABLE_XFA
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int FXJS_Execute(v8::Isolate* pIsolate,
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const CFX_WideString& script,
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FXJSErr* pError) {
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v8::Isolate::Scope isolate_scope(pIsolate);
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v8::TryCatch try_catch(pIsolate);
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CFX_ByteString bsScript = script.UTF8Encode();
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v8::Local<v8::Context> context = pIsolate->GetCurrentContext();
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v8::Local<v8::Script> compiled_script;
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if (!v8::Script::Compile(context,
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v8::String::NewFromUtf8(pIsolate, bsScript.c_str(),
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v8::NewStringType::kNormal,
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bsScript.GetLength())
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.ToLocalChecked())
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.ToLocal(&compiled_script)) {
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v8::String::Utf8Value error(try_catch.Exception());
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// TODO(tsepez): return error via pError->message.
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return -1;
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}
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v8::Local<v8::Value> result;
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if (!compiled_script->Run(context).ToLocal(&result)) {
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v8::String::Utf8Value error(try_catch.Exception());
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// TODO(tsepez): return error via pError->message.
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return -1;
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}
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return 0;
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}
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v8::Local<v8::Object> FXJS_NewFxDynamicObj(v8::Isolate* pIsolate,
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IJS_Runtime* pIRuntime,
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int nObjDefnID,
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bool bStatic) {
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v8::Isolate::Scope isolate_scope(pIsolate);
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v8::Local<v8::Context> context = pIsolate->GetCurrentContext();
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if (nObjDefnID == -1) {
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v8::Local<v8::ObjectTemplate> objTempl = v8::ObjectTemplate::New(pIsolate);
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v8::Local<v8::Object> obj;
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if (!objTempl->NewInstance(context).ToLocal(&obj))
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return v8::Local<v8::Object>();
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return obj;
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}
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FXJS_PerIsolateData* pData = FXJS_PerIsolateData::Get(pIsolate);
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if (!pData)
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return v8::Local<v8::Object>();
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if (nObjDefnID < 0 || nObjDefnID >= CFXJS_ObjDefinition::MaxID(pIsolate))
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return v8::Local<v8::Object>();
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CFXJS_ObjDefinition* pObjDef =
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CFXJS_ObjDefinition::ForID(pIsolate, nObjDefnID);
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v8::Local<v8::Object> obj;
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if (!pObjDef->GetInstanceTemplate()->NewInstance(context).ToLocal(&obj))
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return v8::Local<v8::Object>();
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CFXJS_PerObjectData* pPerObjData = new CFXJS_PerObjectData(nObjDefnID);
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obj->SetAlignedPointerInInternalField(0, pPerObjData);
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if (pObjDef->m_pConstructor)
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pObjDef->m_pConstructor(pIRuntime, obj);
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if (!bStatic && FXJS_PerIsolateData::Get(pIsolate)->m_pDynamicObjsMap) {
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FXJS_PerIsolateData::Get(pIsolate)->m_pDynamicObjsMap->set(pPerObjData,
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obj);
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}
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return obj;
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}
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v8::Local<v8::Object> FXJS_GetThisObj(v8::Isolate* pIsolate) {
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v8::Isolate::Scope isolate_scope(pIsolate);
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if (!FXJS_PerIsolateData::Get(pIsolate))
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return v8::Local<v8::Object>();
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// Return the global object.
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v8::Local<v8::Context> context = pIsolate->GetCurrentContext();
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return context->Global()->GetPrototype()->ToObject(context).ToLocalChecked();
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}
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int FXJS_GetObjDefnID(v8::Local<v8::Object> pObj) {
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if (pObj.IsEmpty() || !pObj->InternalFieldCount())
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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());
|
}
|
|
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_NewString(v8::Isolate* pIsolate, const wchar_t* str) {
|
return FXJS_WSToJSString(pIsolate, str);
|
}
|
|
v8::Local<v8::Value> FXJS_NewNull(v8::Isolate* pIsolate) {
|
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;
|
}
|
