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Unified Diff: fpdfsdk/jsapi/fxjs_v8.cpp

Issue 2144603003: Move fpdfsdk/jsapi into fxjs/ (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@fxjs_v8_v2_p2
Patch Set: Created 4 years, 5 months ago
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Index: fpdfsdk/jsapi/fxjs_v8.cpp
diff --git a/fpdfsdk/jsapi/fxjs_v8.cpp b/fpdfsdk/jsapi/fxjs_v8.cpp
deleted file mode 100644
index ddeb28f23713b30549b0f0d60c88bc097f571b59..0000000000000000000000000000000000000000
--- 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;
-}
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