// 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 "../../include/jsapi/fxjs_v8.h" #include "core/include/fxcrt/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: CFXJS_PerObjectData(int nObjDefID) : m_ObjDefID(nObjDefID), m_pPrivate(nullptr) {} int m_ObjDefID; void* m_pPrivate; }; class CFXJS_ObjDefinition { public: static int MaxID(v8::Isolate* pIsolate) { return static_cast<int>( FXJS_PerIsolateData::Get(pIsolate)->m_ObjectDefnArray.GetSize()); } static CFXJS_ObjDefinition* ForID(v8::Isolate* pIsolate, int id) { // Note: GetAt() halts if out-of-range even in release builds. return static_cast<CFXJS_ObjDefinition*>( FXJS_PerIsolateData::Get(pIsolate)->m_ObjectDefnArray.GetAt(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); 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.Add(this); return pData->m_ObjectDefnArray.GetSize() - 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; v8::Global<v8::Object> m_StaticObj; }; 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) { g_DefaultGlobalObjectTemplate = new v8::Global<v8::ObjectTemplate>; g_DefaultGlobalObjectTemplate->Reset(pIsolate, v8::ObjectTemplate::New(pIsolate)); } 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 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; } // 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)); } 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); pObjDef->GetInstanceTemplate()->Set( v8::String::NewFromUtf8(pIsolate, bsMethodName.c_str(), v8::NewStringType::kNormal).ToLocalChecked(), v8::FunctionTemplate::New(pIsolate, pMethodCall, v8::Local<v8::Value>(), pObjDef->GetSignature()), 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(); GetGlobalObjectTemplate(pIsolate)->Set( v8::String::NewFromUtf8(pIsolate, bsMethodName.c_str(), v8::NewStringType::kNormal).ToLocalChecked(), v8::FunctionTemplate::New(pIsolate, pMethodCall), v8::ReadOnly); } void FXJS_DefineGlobalConst(v8::Isolate* pIsolate, const wchar_t* sConstName, v8::Local<v8::Value> pDefault) { v8::Isolate::Scope isolate_scope(pIsolate); v8::HandleScope handle_scope(pIsolate); CFX_ByteString bsConst = CFX_WideString(sConstName).UTF8Encode(); GetGlobalObjectTemplate(pIsolate)->Set( v8::String::NewFromUtf8(pIsolate, bsConst.c_str(), v8::NewStringType::kNormal).ToLocalChecked(), pDefault, v8::ReadOnly); } void FXJS_InitializeRuntime(v8::Isolate* pIsolate, IJS_Runtime* pIRuntime, v8::Global<v8::Context>& v8PersistentContext) { if (pIsolate == g_isolate) ++g_isolate_ref_count; v8::Isolate::Scope isolate_scope(pIsolate); v8::Locker locker(pIsolate); v8::HandleScope handle_scope(pIsolate); v8::Local<v8::Context> v8Context = v8::Context::New(pIsolate, NULL, GetGlobalObjectTemplate(pIsolate)); v8::Context::Scope context_scope(v8Context); FXJS_PerIsolateData::SetUp(pIsolate); v8Context->SetAlignedPointerInEmbedderData(kPerContextDataIndex, pIRuntime); int maxID = CFXJS_ObjDefinition::MaxID(pIsolate); for (int i = 0; i < maxID; ++i) { CFXJS_ObjDefinition* pObjDef = CFXJS_ObjDefinition::ForID(pIsolate, i); 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(); 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) { v8::Local<v8::Object> obj = FXJS_NewFxDynamicObj(pIsolate, pIRuntime, i); v8Context->Global()->Set(v8Context, m_ObjName, obj).FromJust(); pObjDef->m_StaticObj.Reset(pIsolate, obj); } } v8PersistentContext.Reset(pIsolate, v8Context); } void FXJS_ReleaseRuntime(v8::Isolate* pIsolate, v8::Global<v8::Context>& v8PersistentContext) { if (pIsolate == g_isolate && --g_isolate_ref_count > 0) return; v8::Isolate::Scope isolate_scope(pIsolate); v8::Locker locker(pIsolate); v8::HandleScope handle_scope(pIsolate); v8::Local<v8::Context> context = v8::Local<v8::Context>::New(pIsolate, v8PersistentContext); v8::Context::Scope context_scope(context); FXJS_PerIsolateData* pData = FXJS_PerIsolateData::Get(pIsolate); if (!pData) return; // XFA, if present, should have already cleaned itself up. FXSYS_assert(!pData->m_pFXJSERuntimeData); 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 (!pObjDef->m_StaticObj.IsEmpty()) { pObj = v8::Local<v8::Object>::New(pIsolate, pObjDef->m_StaticObj); } if (!pObj.IsEmpty()) { if (pObjDef->m_pDestructor) pObjDef->m_pDestructor(pObj); FXJS_FreePrivate(pObj); } delete pObjDef; } 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)); } int FXJS_Execute(v8::Isolate* pIsolate, IJS_Context* pJSContext, const wchar_t* script, FXJSErr* pError) { v8::Isolate::Scope isolate_scope(pIsolate); v8::TryCatch try_catch(pIsolate); CFX_ByteString bsScript = CFX_WideString(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) { 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>(); obj->SetAlignedPointerInInternalField(0, new CFXJS_PerObjectData(nObjDefnID)); if (pObjDef->m_pConstructor) pObjDef->m_pConstructor(pIRuntime, 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 NULL; 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 NULL; } 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, NULL); } v8::Local<v8::String> FXJS_WSToJSString(v8::Isolate* pIsolate, const wchar_t* PropertyName, int Len) { CFX_WideString ws = CFX_WideString(PropertyName, Len); CFX_ByteString bs = ws.UTF8Encode(); if (!pIsolate) pIsolate = v8::Isolate::GetCurrent(); return v8::String::NewFromUtf8(pIsolate, bs.c_str(), v8::NewStringType::kNormal).ToLocalChecked(); } v8::Local<v8::Value> FXJS_GetObjectElement(v8::Isolate* pIsolate, v8::Local<v8::Object> pObj, const wchar_t* PropertyName) { if (pObj.IsEmpty()) return v8::Local<v8::Value>(); v8::Local<v8::Value> val; if (!pObj->Get(pIsolate->GetCurrentContext(), FXJS_WSToJSString(pIsolate, PropertyName)).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 wchar_t* PropertyName, const wchar_t* sValue) // VT_string { if (pObj.IsEmpty()) return; pObj->Set(pIsolate->GetCurrentContext(), FXJS_WSToJSString(pIsolate, PropertyName), FXJS_WSToJSString(pIsolate, sValue)).FromJust(); } void FXJS_PutObjectNumber(v8::Isolate* pIsolate, v8::Local<v8::Object> pObj, const wchar_t* PropertyName, int nValue) { if (pObj.IsEmpty()) return; pObj->Set(pIsolate->GetCurrentContext(), FXJS_WSToJSString(pIsolate, PropertyName), v8::Int32::New(pIsolate, nValue)).FromJust(); } void FXJS_PutObjectNumber(v8::Isolate* pIsolate, v8::Local<v8::Object> pObj, const wchar_t* PropertyName, float fValue) { if (pObj.IsEmpty()) return; pObj->Set(pIsolate->GetCurrentContext(), FXJS_WSToJSString(pIsolate, PropertyName), v8::Number::New(pIsolate, (double)fValue)).FromJust(); } void FXJS_PutObjectNumber(v8::Isolate* pIsolate, v8::Local<v8::Object> pObj, const wchar_t* PropertyName, double dValue) { if (pObj.IsEmpty()) return; pObj->Set(pIsolate->GetCurrentContext(), FXJS_WSToJSString(pIsolate, PropertyName), v8::Number::New(pIsolate, (double)dValue)).FromJust(); } void FXJS_PutObjectBoolean(v8::Isolate* pIsolate, v8::Local<v8::Object> pObj, const wchar_t* PropertyName, bool bValue) { if (pObj.IsEmpty()) return; pObj->Set(pIsolate->GetCurrentContext(), FXJS_WSToJSString(pIsolate, PropertyName), v8::Boolean::New(pIsolate, bValue)).FromJust(); } void FXJS_PutObjectObject(v8::Isolate* pIsolate, v8::Local<v8::Object> pObj, const wchar_t* PropertyName, v8::Local<v8::Object> pPut) { if (pObj.IsEmpty()) return; pObj->Set(pIsolate->GetCurrentContext(), FXJS_WSToJSString(pIsolate, PropertyName), pPut).FromJust(); } void FXJS_PutObjectNull(v8::Isolate* pIsolate, v8::Local<v8::Object> pObj, const wchar_t* PropertyName) { if (pObj.IsEmpty()) return; pObj->Set(pIsolate->GetCurrentContext(), FXJS_WSToJSString(pIsolate, PropertyName), 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* string) { return FXJS_WSToJSString(pIsolate, string); } 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(*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; }