// 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 "../../../core/include/fxcrt/fx_basic.h" #include "../../../core/include/fxcrt/fx_ext.h" #include "../../include/jsapi/fxjs_v8.h" #include "../../include/fsdk_define.h" #include "time.h" #include <cmath> #include <limits> #define VALUE_NAME_STRING L"string" #define VALUE_NAME_NUMBER L"number" #define VALUE_NAME_BOOLEAN L"boolean" #define VALUE_NAME_DATE L"date" #define VALUE_NAME_OBJECT L"object" #define VALUE_NAME_FXOBJ L"fxobj" #define VALUE_NAME_NULL L"null" #define VALUE_NAME_UNDEFINED L"undefined" const static FX_DWORD g_nan[2] = {0,0x7FF80000 }; static double GetNan() { return *(double*)g_nan; } class CJS_PrivateData { public: CJS_PrivateData():ObjDefID(-1), pPrivate(NULL) {} int ObjDefID; void* pPrivate; }; class CJS_ObjDefintion { public: CJS_ObjDefintion(v8::Isolate* isolate, const wchar_t* sObjName, FXJSOBJTYPE eObjType, LP_CONSTRUCTOR pConstructor, LP_DESTRUCTOR pDestructor, unsigned bApplyNew): objName(sObjName), objType(eObjType), m_pConstructor(pConstructor), m_pDestructor(pDestructor),m_bApplyNew(bApplyNew),m_bSetAsGlobalObject(FALSE) { v8::Isolate::Scope isolate_scope(isolate); v8::HandleScope handle_scope(isolate); v8::Local<v8::ObjectTemplate> objTemplate = v8::ObjectTemplate::New(isolate); objTemplate->SetInternalFieldCount(2); m_objTemplate.Reset(isolate, objTemplate); //Document as the global object. if(FXSYS_wcscmp(sObjName, L"Document") == 0) { m_bSetAsGlobalObject = TRUE; } } ~CJS_ObjDefintion() { m_objTemplate.Reset(); m_StaticObj.Reset(); } public: const wchar_t* objName; FXJSOBJTYPE objType; LP_CONSTRUCTOR m_pConstructor; LP_DESTRUCTOR m_pDestructor; unsigned m_bApplyNew; FX_BOOL m_bSetAsGlobalObject; v8::Global<v8::ObjectTemplate> m_objTemplate; v8::Global<v8::Object> m_StaticObj; }; int JS_DefineObj(IJS_Runtime* pJSRuntime, const wchar_t* sObjName, FXJSOBJTYPE eObjType, LP_CONSTRUCTOR pConstructor, LP_DESTRUCTOR pDestructor, unsigned bApplyNew) { v8::Isolate* isolate = (v8::Isolate*)pJSRuntime; v8::Isolate::Scope isolate_scope(isolate); v8::HandleScope handle_scope(isolate); CFX_PtrArray* pArray = (CFX_PtrArray*)isolate->GetData(1); if(!pArray) { pArray = FX_NEW CFX_PtrArray(); isolate->SetData(1, pArray); } CJS_ObjDefintion* pObjDef = FX_NEW CJS_ObjDefintion(isolate, sObjName, eObjType, pConstructor, pDestructor, bApplyNew); pArray->Add(pObjDef); return pArray->GetSize()-1; } int JS_DefineObjMethod(IJS_Runtime* pJSRuntime, int nObjDefnID, const wchar_t* sMethodName, v8::FunctionCallback pMethodCall) { v8::Isolate* isolate = (v8::Isolate*)pJSRuntime; v8::Isolate::Scope isolate_scope(isolate); v8::HandleScope handle_scope(isolate); CFX_WideString ws = CFX_WideString(sMethodName); CFX_ByteString bsMethodName = ws.UTF8Encode(); CFX_PtrArray* pArray = (CFX_PtrArray*)isolate->GetData(1); if(!pArray) return 0; if(nObjDefnID<0 || nObjDefnID>= pArray->GetSize()) return 0; CJS_ObjDefintion* pObjDef = (CJS_ObjDefintion*)pArray->GetAt(nObjDefnID); v8::Local<v8::ObjectTemplate> objTemp = v8::Local<v8::ObjectTemplate>::New(isolate, pObjDef->m_objTemplate); objTemp->Set(v8::String::NewFromUtf8(isolate, bsMethodName.c_str(), v8::NewStringType::kNormal).ToLocalChecked(), v8::FunctionTemplate::New(isolate, pMethodCall), v8::ReadOnly); pObjDef->m_objTemplate.Reset(isolate,objTemp); return 0; } int JS_DefineObjProperty(IJS_Runtime* pJSRuntime, int nObjDefnID, const wchar_t* sPropName, v8::AccessorGetterCallback pPropGet, v8::AccessorSetterCallback pPropPut) { v8::Isolate* isolate = (v8::Isolate*)pJSRuntime; v8::Isolate::Scope isolate_scope(isolate); v8::HandleScope handle_scope(isolate); CFX_WideString ws = CFX_WideString(sPropName); CFX_ByteString bsPropertyName = ws.UTF8Encode(); CFX_PtrArray* pArray = (CFX_PtrArray*)isolate->GetData(1); if(!pArray) return 0; if(nObjDefnID<0 || nObjDefnID>= pArray->GetSize()) return 0; CJS_ObjDefintion* pObjDef = (CJS_ObjDefintion*)pArray->GetAt(nObjDefnID); v8::Local<v8::ObjectTemplate> objTemp = v8::Local<v8::ObjectTemplate>::New(isolate, pObjDef->m_objTemplate); objTemp->SetAccessor(v8::String::NewFromUtf8(isolate, bsPropertyName.c_str(), v8::NewStringType::kNormal).ToLocalChecked(), pPropGet, pPropPut); pObjDef->m_objTemplate.Reset(isolate,objTemp); return 0; } int JS_DefineObjAllProperties(IJS_Runtime* pJSRuntime, int nObjDefnID, v8::NamedPropertyQueryCallback pPropQurey, v8::NamedPropertyGetterCallback pPropGet, v8::NamedPropertySetterCallback pPropPut, v8::NamedPropertyDeleterCallback pPropDel) { v8::Isolate* isolate = (v8::Isolate*)pJSRuntime; v8::Isolate::Scope isolate_scope(isolate); v8::HandleScope handle_scope(isolate); CFX_PtrArray* pArray = (CFX_PtrArray*)isolate->GetData(1); if(!pArray) return 0; if(nObjDefnID<0 || nObjDefnID>= pArray->GetSize()) return 0; CJS_ObjDefintion* pObjDef = (CJS_ObjDefintion*)pArray->GetAt(nObjDefnID); v8::Local<v8::ObjectTemplate> objTemp = v8::Local<v8::ObjectTemplate>::New(isolate, pObjDef->m_objTemplate); objTemp->SetNamedPropertyHandler(pPropGet, pPropPut, pPropQurey, pPropDel); pObjDef->m_objTemplate.Reset(isolate,objTemp); return 0; } int JS_DefineObjConst(IJS_Runtime* pJSRuntime, int nObjDefnID, const wchar_t* sConstName, v8::Local<v8::Value> pDefault) { v8::Isolate* isolate = (v8::Isolate*)pJSRuntime; v8::Isolate::Scope isolate_scope(isolate); v8::HandleScope handle_scope(isolate); CFX_PtrArray* pArray = (CFX_PtrArray*)isolate->GetData(1); if(!pArray) return 0; CFX_WideString ws = CFX_WideString(sConstName); CFX_ByteString bsConstName = ws.UTF8Encode(); if(nObjDefnID<0 || nObjDefnID>= pArray->GetSize()) return 0; CJS_ObjDefintion* pObjDef = (CJS_ObjDefintion*)pArray->GetAt(nObjDefnID); v8::Local<v8::ObjectTemplate> objTemp = v8::Local<v8::ObjectTemplate>::New(isolate, pObjDef->m_objTemplate); objTemp->Set(isolate, bsConstName.c_str(), pDefault); pObjDef->m_objTemplate.Reset(isolate,objTemp); return 0; } static v8::Global<v8::ObjectTemplate>& _getGlobalObjectTemplate(IJS_Runtime* pJSRuntime) { v8::Isolate* isolate = (v8::Isolate*)pJSRuntime; v8::Isolate::Scope isolate_scope(isolate); v8::HandleScope handle_scope(isolate); CFX_PtrArray* pArray = (CFX_PtrArray*)isolate->GetData(1); ASSERT(pArray != NULL); for(int i=0; i<pArray->GetSize(); i++) { CJS_ObjDefintion* pObjDef = (CJS_ObjDefintion*)pArray->GetAt(i); if(pObjDef->m_bSetAsGlobalObject) return pObjDef->m_objTemplate; } static v8::Global<v8::ObjectTemplate> gloabalObjectTemplate; return gloabalObjectTemplate; } int JS_DefineGlobalMethod(IJS_Runtime* pJSRuntime, const wchar_t* sMethodName, v8::FunctionCallback pMethodCall) { v8::Isolate* isolate = (v8::Isolate*)pJSRuntime; v8::Isolate::Scope isolate_scope(isolate); v8::HandleScope handle_scope(isolate); CFX_WideString ws = CFX_WideString(sMethodName); CFX_ByteString bsMethodName = ws.UTF8Encode(); v8::Local<v8::FunctionTemplate> funTempl = v8::FunctionTemplate::New(isolate, pMethodCall); v8::Local<v8::ObjectTemplate> objTemp; v8::Global<v8::ObjectTemplate>& globalObjTemp = _getGlobalObjectTemplate(pJSRuntime); if(globalObjTemp.IsEmpty()) objTemp = v8::ObjectTemplate::New(isolate); else objTemp = v8::Local<v8::ObjectTemplate>::New(isolate, globalObjTemp); objTemp->Set(v8::String::NewFromUtf8(isolate, bsMethodName.c_str(), v8::NewStringType::kNormal).ToLocalChecked(), funTempl, v8::ReadOnly); globalObjTemp.Reset(isolate,objTemp); return 0; } int JS_DefineGlobalConst(IJS_Runtime* pJSRuntime, const wchar_t* sConstName, v8::Local<v8::Value> pDefault) { v8::Isolate* isolate = (v8::Isolate*)pJSRuntime; v8::Isolate::Scope isolate_scope(isolate); v8::HandleScope handle_scope(isolate); CFX_WideString ws = CFX_WideString(sConstName); CFX_ByteString bsConst= ws.UTF8Encode(); v8::Local<v8::ObjectTemplate> objTemp; v8::Global<v8::ObjectTemplate>& globalObjTemp = _getGlobalObjectTemplate(pJSRuntime); if(globalObjTemp.IsEmpty()) objTemp = v8::ObjectTemplate::New(isolate); else objTemp = v8::Local<v8::ObjectTemplate>::New(isolate, globalObjTemp); objTemp->Set(v8::String::NewFromUtf8(isolate, bsConst.c_str(), v8::NewStringType::kNormal).ToLocalChecked(), pDefault, v8::ReadOnly); globalObjTemp.Reset(isolate,objTemp); return 0; } void JS_InitialRuntime(IJS_Runtime* pJSRuntime,IFXJS_Runtime* pFXRuntime, IFXJS_Context* context, v8::Global<v8::Context>& v8PersistentContext) { v8::Isolate* isolate = (v8::Isolate*)pJSRuntime; v8::Isolate::Scope isolate_scope(isolate); v8::Locker locker(isolate); v8::HandleScope handle_scope(isolate); v8::Global<v8::ObjectTemplate>& globalObjTemp = _getGlobalObjectTemplate(pJSRuntime); v8::Local<v8::Context> v8Context = v8::Context::New(isolate, NULL, v8::Local<v8::ObjectTemplate>::New(isolate, globalObjTemp)); v8::Context::Scope context_scope(v8Context); //v8::Local<External> ptr = External::New(isolate, pFXRuntime); //v8Context->SetEmbedderData(1, ptr); isolate->SetData(2, pFXRuntime); CFX_PtrArray* pArray = (CFX_PtrArray*)isolate->GetData(1); if(!pArray) return; for(int i=0; i<pArray->GetSize(); i++) { CJS_ObjDefintion* pObjDef = (CJS_ObjDefintion*)pArray->GetAt(i); CFX_WideString ws = CFX_WideString(pObjDef->objName); CFX_ByteString bs = ws.UTF8Encode(); v8::Local<v8::String> objName = v8::String::NewFromUtf8(isolate, bs.c_str(), v8::NewStringType::kNormal, bs.GetLength()).ToLocalChecked(); if(pObjDef->objType == JS_DYNAMIC) { //Document is set as global object, need to construct it first. CFX_WideString wsString(L"Document"); if(ws.Equal(wsString)) { CJS_PrivateData* pPrivateData = FX_NEW CJS_PrivateData; pPrivateData->ObjDefID = i; v8Context->Global()->GetPrototype()->ToObject(v8Context).ToLocalChecked()->SetAlignedPointerInInternalField(0, pPrivateData); if(pObjDef->m_pConstructor) pObjDef->m_pConstructor(context, v8Context->Global()->GetPrototype()->ToObject(v8Context).ToLocalChecked(), v8Context->Global()->GetPrototype()->ToObject(v8Context).ToLocalChecked()); } } else { v8::Local<v8::Object> obj = JS_NewFxDynamicObj(pJSRuntime, context, i); v8Context->Global()->Set(v8Context, objName, obj).FromJust(); pObjDef->m_StaticObj.Reset(isolate, obj); } } v8PersistentContext.Reset(isolate, v8Context); } void JS_ReleaseRuntime(IJS_Runtime* pJSRuntime, v8::Global<v8::Context>& v8PersistentContext) { v8::Isolate* isolate = (v8::Isolate*)pJSRuntime; v8::Isolate::Scope isolate_scope(isolate); v8::Locker locker(isolate); v8::HandleScope handle_scope(isolate); CFX_PtrArray* pArray = (CFX_PtrArray*)isolate->GetData(1); if(!pArray) return ; for(int i=0; i<pArray->GetSize(); i++) { CJS_ObjDefintion* pObjDef = (CJS_ObjDefintion*)pArray->GetAt(i); if(!pObjDef->m_StaticObj.IsEmpty()) { v8::Local<v8::Object> pObj = v8::Local<v8::Object>::New(isolate, pObjDef->m_StaticObj); if(pObjDef->m_pDestructor) pObjDef->m_pDestructor(pObj); JS_FreePrivate(pObj); } delete pObjDef; } delete pArray; isolate->SetData(1,NULL); isolate->SetData(2,NULL); } void JS_Initial() { } void JS_Release() { } int JS_Parse(IJS_Runtime* pJSRuntime, IFXJS_Context* pJSContext, const wchar_t* script, long length, FXJSErr* perror) { v8::Isolate* isolate = (v8::Isolate*)pJSRuntime; v8::Isolate::Scope isolate_scope(isolate); v8::TryCatch try_catch(isolate); CFX_WideString wsScript(script); CFX_ByteString bsScript = wsScript.UTF8Encode(); v8::Local<v8::Context> context = isolate->GetCurrentContext(); v8::Local<v8::Script> compiled_script; if (!v8::Script::Compile(context, v8::String::NewFromUtf8(isolate, bsScript.c_str(), v8::NewStringType::kNormal, bsScript.GetLength()).ToLocalChecked()).ToLocal(&compiled_script)) { v8::String::Utf8Value error(try_catch.Exception()); return -1; } return 0; } int JS_Execute(IJS_Runtime* pJSRuntime, IFXJS_Context* pJSContext, const wchar_t* script, long length, FXJSErr* perror) { v8::Isolate* isolate = (v8::Isolate*)pJSRuntime; v8::Isolate::Scope isolate_scope(isolate); v8::TryCatch try_catch(isolate); CFX_WideString wsScript(script); CFX_ByteString bsScript = wsScript.UTF8Encode(); v8::Local<v8::Context> context = isolate->GetCurrentContext(); v8::Local<v8::Script> compiled_script; if (!v8::Script::Compile(context, v8::String::NewFromUtf8(isolate, bsScript.c_str(), v8::NewStringType::kNormal, bsScript.GetLength()).ToLocalChecked()).ToLocal(&compiled_script)) { v8::String::Utf8Value error(try_catch.Exception()); return -1; } v8::Local<v8::Value> result; if (!compiled_script->Run(context).ToLocal(&result)) { v8::String::Utf8Value error(try_catch.Exception()); return -1; } return 0; } v8::Local<v8::Object> JS_NewFxDynamicObj(IJS_Runtime* pJSRuntime, IFXJS_Context* pJSContext, int nObjDefnID) { v8::Isolate* isolate = (v8::Isolate*)pJSRuntime; v8::Isolate::Scope isolate_scope(isolate); v8::Local<v8::Context> context = isolate->GetCurrentContext(); if(-1 == nObjDefnID) { v8::Local<v8::ObjectTemplate> objTempl = v8::ObjectTemplate::New(isolate); v8::Local<v8::Object> obj; if (objTempl->NewInstance(context).ToLocal(&obj)) return obj; return v8::Local<v8::Object>(); } CFX_PtrArray* pArray = (CFX_PtrArray*)isolate->GetData(1); if(!pArray) return v8::Local<v8::Object>(); if(nObjDefnID<0 || nObjDefnID>= pArray->GetSize()) return v8::Local<v8::Object>(); CJS_ObjDefintion* pObjDef = (CJS_ObjDefintion*)pArray->GetAt(nObjDefnID); v8::Local<v8::ObjectTemplate> objTemp = v8::Local<v8::ObjectTemplate>::New(isolate, pObjDef->m_objTemplate); v8::Local<v8::Object> obj; if (!objTemp->NewInstance(context).ToLocal(&obj)) return v8::Local<v8::Object>(); CJS_PrivateData* pPrivateData = FX_NEW CJS_PrivateData; pPrivateData->ObjDefID = nObjDefnID; obj->SetAlignedPointerInInternalField(0, pPrivateData); if(pObjDef->m_pConstructor) pObjDef->m_pConstructor(pJSContext, obj, context->Global()->GetPrototype()->ToObject(context).ToLocalChecked()); return obj; } v8::Local<v8::Object> JS_GetStaticObj(IJS_Runtime* pJSRuntime, int nObjDefnID) { v8::Isolate* isolate = (v8::Isolate*)pJSRuntime; v8::Isolate::Scope isolate_scope(isolate); CFX_PtrArray* pArray = (CFX_PtrArray*)isolate->GetData(1); if(!pArray) return v8::Local<v8::Object>(); if(nObjDefnID<0 || nObjDefnID>= pArray->GetSize()) return v8::Local<v8::Object>(); CJS_ObjDefintion* pObjDef = (CJS_ObjDefintion*)pArray->GetAt(nObjDefnID); v8::Local<v8::Object> obj = v8::Local<v8::Object>::New(isolate,pObjDef->m_StaticObj); return obj; } void JS_SetThisObj(IJS_Runtime* pJSRuntime, int nThisObjID) { //Do nothing. } v8::Local<v8::Object> JS_GetThisObj(IJS_Runtime * pJSRuntime) { //Return the global object. v8::Isolate* isolate = (v8::Isolate*)pJSRuntime; v8::Isolate::Scope isolate_scope(isolate); CFX_PtrArray* pArray = (CFX_PtrArray*)isolate->GetData(1); if(!pArray) return v8::Local<v8::Object>(); v8::Local<v8::Context> context = isolate->GetCurrentContext(); return context->Global()->GetPrototype()->ToObject(context).ToLocalChecked(); } int JS_GetObjDefnID(v8::Local<v8::Object> pObj) { if(pObj.IsEmpty() || !pObj->InternalFieldCount()) return -1; CJS_PrivateData* pPrivateData = (CJS_PrivateData*)pObj->GetAlignedPointerFromInternalField(0); if(pPrivateData) return pPrivateData->ObjDefID; return -1; } IJS_Runtime* JS_GetRuntime(v8::Local<v8::Object> pObj) { if(pObj.IsEmpty()) return NULL; v8::Local<v8::Context> context = pObj->CreationContext(); if(context.IsEmpty()) return NULL; return context->GetIsolate(); } int JS_GetObjDefnID(IJS_Runtime * pJSRuntime, const wchar_t* pObjName) { v8::Isolate* isolate = (v8::Isolate*)pJSRuntime; v8::Isolate::Scope isolate_scope(isolate); CFX_PtrArray* pArray = (CFX_PtrArray*)isolate->GetData(1); if(!pArray) return -1; for(int i=0; i<pArray->GetSize(); i++) { CJS_ObjDefintion* pObjDef = (CJS_ObjDefintion*)pArray->GetAt(i); if(FXSYS_wcscmp(pObjDef->objName, pObjName) == 0) return i; } return -1; } void JS_Error(v8::Isolate* isolate, 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(); isolate->ThrowException(v8::String::NewFromUtf8(isolate, utf8_message.c_str(), v8::NewStringType::kNormal).ToLocalChecked()); } unsigned JS_CalcHash(const wchar_t* main, unsigned nLen) { return (unsigned)FX_HashCode_String_GetW((const FX_WCHAR*)main, nLen); } unsigned JS_CalcHash(const wchar_t* main) { return (unsigned)FX_HashCode_String_GetW((const FX_WCHAR*)main, FXSYS_wcslen(main)); } const wchar_t* JS_GetTypeof(v8::Local<v8::Value> pObj) { if(pObj.IsEmpty()) return NULL; if(pObj->IsString()) return VALUE_NAME_STRING; if(pObj->IsNumber()) return VALUE_NAME_NUMBER; if(pObj->IsBoolean()) return VALUE_NAME_BOOLEAN; if(pObj->IsDate()) return VALUE_NAME_DATE; if(pObj->IsObject()) return VALUE_NAME_OBJECT; if(pObj->IsNull()) return VALUE_NAME_NULL; if(pObj->IsUndefined()) return VALUE_NAME_UNDEFINED; return NULL; } void JS_SetPrivate(v8::Local<v8::Object> pObj, void* p) { JS_SetPrivate(NULL, pObj, p); } void* JS_GetPrivate(v8::Local<v8::Object> pObj) { return JS_GetPrivate(NULL,pObj); } void JS_SetPrivate(IJS_Runtime* pJSRuntime, v8::Local<v8::Object> pObj, void* p) { if(pObj.IsEmpty() || !pObj->InternalFieldCount()) return; CJS_PrivateData* pPrivateData = (CJS_PrivateData*)pObj->GetAlignedPointerFromInternalField(0); if(!pPrivateData) return; pPrivateData->pPrivate = p; } void* JS_GetPrivate(IJS_Runtime* pJSRuntime, v8::Local<v8::Object> pObj) { if(pObj.IsEmpty()) return NULL; CJS_PrivateData* pPrivateData = NULL; if(pObj->InternalFieldCount()) pPrivateData = (CJS_PrivateData*)pObj->GetAlignedPointerFromInternalField(0); else { //It could be a global proxy object. v8::Local<v8::Value> v = pObj->GetPrototype(); v8::Isolate* isolate = (v8::Isolate*)pJSRuntime; v8::Local<v8::Context> context = isolate->GetCurrentContext(); if(v->IsObject()) pPrivateData = (CJS_PrivateData*)v->ToObject(context).ToLocalChecked()->GetAlignedPointerFromInternalField(0); } if(!pPrivateData) return NULL; return pPrivateData->pPrivate; } void JS_FreePrivate(void* pPrivateData) { delete (CJS_PrivateData*)pPrivateData; } void JS_FreePrivate(v8::Local<v8::Object> pObj) { if(pObj.IsEmpty() || !pObj->InternalFieldCount()) return; JS_FreePrivate(pObj->GetAlignedPointerFromInternalField(0)); pObj->SetAlignedPointerInInternalField(0, NULL); } v8::Local<v8::Value> JS_GetObjectValue(v8::Local<v8::Object> pObj) { return pObj; } v8::Local<v8::String> WSToJSString(IJS_Runtime* pJSRuntime, const wchar_t* PropertyName, int Len = -1) { CFX_WideString ws = CFX_WideString(PropertyName,Len); CFX_ByteString bs = ws.UTF8Encode(); if(!pJSRuntime) pJSRuntime = v8::Isolate::GetCurrent(); return v8::String::NewFromUtf8(pJSRuntime, bs.c_str(), v8::NewStringType::kNormal).ToLocalChecked(); } v8::Local<v8::Value> JS_GetObjectElement(IJS_Runtime* pJSRuntime, 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(pJSRuntime->GetCurrentContext(), WSToJSString(pJSRuntime,PropertyName)).ToLocal(&val)) return v8::Local<v8::Value>(); return val; } v8::Local<v8::Array> JS_GetObjectElementNames(IJS_Runtime* pJSRuntime, v8::Local<v8::Object> pObj) { if(pObj.IsEmpty()) return v8::Local<v8::Array>(); v8::Local<v8::Array> val; if (!pObj->GetPropertyNames(pJSRuntime->GetCurrentContext()).ToLocal(&val)) return v8::Local<v8::Array>(); return val; } void JS_PutObjectString(IJS_Runtime* pJSRuntime,v8::Local<v8::Object> pObj, const wchar_t* PropertyName, const wchar_t* sValue) //VT_string { if(pObj.IsEmpty()) return; pObj->Set(pJSRuntime->GetCurrentContext(), WSToJSString(pJSRuntime, PropertyName), WSToJSString(pJSRuntime, sValue)).FromJust(); } void JS_PutObjectNumber(IJS_Runtime* pJSRuntime,v8::Local<v8::Object> pObj, const wchar_t* PropertyName, int nValue) { if(pObj.IsEmpty()) return; pObj->Set(pJSRuntime->GetCurrentContext(), WSToJSString(pJSRuntime,PropertyName),v8::Int32::New(pJSRuntime, nValue)).FromJust(); } void JS_PutObjectNumber(IJS_Runtime* pJSRuntime,v8::Local<v8::Object> pObj, const wchar_t* PropertyName, float fValue) { if(pObj.IsEmpty()) return; pObj->Set(pJSRuntime->GetCurrentContext(), WSToJSString(pJSRuntime,PropertyName),v8::Number::New(pJSRuntime, (double)fValue)).FromJust(); } void JS_PutObjectNumber(IJS_Runtime* pJSRuntime,v8::Local<v8::Object> pObj, const wchar_t* PropertyName, double dValue) { if(pObj.IsEmpty()) return; pObj->Set(pJSRuntime->GetCurrentContext(), WSToJSString(pJSRuntime,PropertyName),v8::Number::New(pJSRuntime, (double)dValue)).FromJust(); } void JS_PutObjectBoolean(IJS_Runtime* pJSRuntime,v8::Local<v8::Object> pObj, const wchar_t* PropertyName, bool bValue) { if(pObj.IsEmpty()) return; pObj->Set(pJSRuntime->GetCurrentContext(), WSToJSString(pJSRuntime,PropertyName),v8::Boolean::New(pJSRuntime, bValue)).FromJust(); } void JS_PutObjectObject(IJS_Runtime* pJSRuntime,v8::Local<v8::Object> pObj, const wchar_t* PropertyName, v8::Local<v8::Object> pPut) { if(pObj.IsEmpty()) return; pObj->Set(pJSRuntime->GetCurrentContext(), WSToJSString(pJSRuntime,PropertyName),pPut).FromJust(); } void JS_PutObjectNull(IJS_Runtime* pJSRuntime,v8::Local<v8::Object> pObj, const wchar_t* PropertyName) { if(pObj.IsEmpty()) return; pObj->Set(pJSRuntime->GetCurrentContext(), WSToJSString(pJSRuntime,PropertyName),v8::Local<v8::Object>()).FromJust(); } v8::Local<v8::Array> JS_NewArray(IJS_Runtime* pJSRuntime) { return v8::Array::New(pJSRuntime); } unsigned JS_PutArrayElement(IJS_Runtime* pJSRuntime, v8::Local<v8::Array> pArray,unsigned index,v8::Local<v8::Value> pValue,FXJSVALUETYPE eType) { if(pArray.IsEmpty()) return 0; if (pArray->Set(pJSRuntime->GetCurrentContext(), index, pValue).IsNothing()) return 0; return 1; } v8::Local<v8::Value> JS_GetArrayElement(IJS_Runtime* pJSRuntime, v8::Local<v8::Array> pArray,unsigned index) { if(pArray.IsEmpty()) return v8::Local<v8::Value>(); v8::Local<v8::Value> val; if (pArray->Get(pJSRuntime->GetCurrentContext(), index).ToLocal(&val)) return v8::Local<v8::Value>(); return val; } unsigned JS_GetArrayLength(v8::Local<v8::Array> pArray) { if(pArray.IsEmpty()) return 0; return pArray->Length(); } v8::Local<v8::Value> JS_NewNumber(IJS_Runtime* pJSRuntime,int number) { return v8::Int32::New(pJSRuntime, number); } v8::Local<v8::Value> JS_NewNumber(IJS_Runtime* pJSRuntime,double number) { return v8::Number::New(pJSRuntime, number); } v8::Local<v8::Value> JS_NewNumber(IJS_Runtime* pJSRuntime,float number) { return v8::Number::New(pJSRuntime, (float)number); } v8::Local<v8::Value> JS_NewBoolean(IJS_Runtime* pJSRuntime,bool b) { return v8::Boolean::New(pJSRuntime, b); } v8::Local<v8::Value> JS_NewObject(IJS_Runtime* pJSRuntime,v8::Local<v8::Object> pObj) { if(pObj.IsEmpty()) return v8::Local<v8::Value>(); return pObj->Clone(); } v8::Local<v8::Value> JS_NewObject2(IJS_Runtime* pJSRuntime,v8::Local<v8::Array> pObj) { if(pObj.IsEmpty()) return v8::Local<v8::Value>(); return pObj->Clone(); } v8::Local<v8::Value> JS_NewString(IJS_Runtime* pJSRuntime,const wchar_t* string) { return WSToJSString(pJSRuntime, string); } v8::Local<v8::Value> JS_NewString(IJS_Runtime* pJSRuntime,const wchar_t* string, unsigned nLen) { return WSToJSString(pJSRuntime, string, nLen); } v8::Local<v8::Value> JS_NewNull() { return v8::Local<v8::Value>(); } v8::Local<v8::Value> JS_NewDate(IJS_Runtime* pJSRuntime,double d) { return v8::Date::New(pJSRuntime->GetCurrentContext(), d).ToLocalChecked(); } v8::Local<v8::Value> JS_NewValue(IJS_Runtime* pJSRuntime) { return v8::Local<v8::Value>(); } v8::Local<v8::Value> JS_GetListValue(IJS_Runtime* pJSRuntime, v8::Local<v8::Value> pList, int index) { v8::Local<v8::Context> context = pJSRuntime->GetCurrentContext(); if(!pList.IsEmpty() && pList->IsObject()) { v8::Local<v8::Object> obj; if (pList->ToObject(context).ToLocal(&obj)) { v8::Local<v8::Value> val; if (obj->Get(context, index).ToLocal(&val)) return val; } } return v8::Local<v8::Value>(); } int JS_ToInt32(IJS_Runtime* pJSRuntime, v8::Local<v8::Value> pValue) { if(pValue.IsEmpty()) return 0; v8::Local<v8::Context> context = pJSRuntime->GetCurrentContext(); return pValue->ToInt32(context).ToLocalChecked()->Value(); } bool JS_ToBoolean(IJS_Runtime* pJSRuntime, v8::Local<v8::Value> pValue) { if(pValue.IsEmpty()) return false; v8::Local<v8::Context> context = pJSRuntime->GetCurrentContext(); return pValue->ToBoolean(context).ToLocalChecked()->Value(); } double JS_ToNumber(IJS_Runtime* pJSRuntime, v8::Local<v8::Value> pValue) { if(pValue.IsEmpty()) return 0.0; v8::Local<v8::Context> context = pJSRuntime->GetCurrentContext(); return pValue->ToNumber(context).ToLocalChecked()->Value(); } v8::Local<v8::Object> JS_ToObject(IJS_Runtime* pJSRuntime, v8::Local<v8::Value> pValue) { if(pValue.IsEmpty()) return v8::Local<v8::Object>(); v8::Local<v8::Context> context = pJSRuntime->GetCurrentContext(); return pValue->ToObject(context).ToLocalChecked(); } CFX_WideString JS_ToString(IJS_Runtime* pJSRuntime, v8::Local<v8::Value> pValue) { if(pValue.IsEmpty()) return L""; v8::Local<v8::Context> context = pJSRuntime->GetCurrentContext(); v8::String::Utf8Value s(pValue->ToString(context).ToLocalChecked()); return CFX_WideString::FromUTF8(*s, s.length()); } v8::Local<v8::Array> JS_ToArray(IJS_Runtime* pJSRuntime, v8::Local<v8::Value> pValue) { if(pValue.IsEmpty()) return v8::Local<v8::Array>(); v8::Local<v8::Context> context = pJSRuntime->GetCurrentContext(); return v8::Local<v8::Array>::Cast(pValue->ToObject(context).ToLocalChecked()); } void JS_ValueCopy(v8::Local<v8::Value>& pTo, v8::Local<v8::Value> pFrom) { pTo = pFrom; } //JavaScript time implement begin. double _getLocalTZA() { if(!FSDK_IsSandBoxPolicyEnabled(FPDF_POLICY_MACHINETIME_ACCESS)) return 0; time_t t = 0; time(&t); localtime(&t); #if _MSC_VER >= 1900 // In gcc and in Visual Studio prior to VS 2015 'timezone' is a global // variable declared in time.h. That variable was deprecated and in VS 2015 // is removed, with _get_timezone replacing it. long timezone = 0; _get_timezone(&timezone); #endif return (double)(-(timezone * 1000)); } int _getDaylightSavingTA(double d) { if(!FSDK_IsSandBoxPolicyEnabled(FPDF_POLICY_MACHINETIME_ACCESS)) return 0; time_t t = (time_t)(d/1000); struct tm * tmp = localtime(&t); if (tmp == NULL) return 0; if (tmp->tm_isdst > 0) //One hour. return (int)60*60*1000; return 0; } double _Mod(double x, double y) { double r = fmod(x, y); if (r < 0) r += y; return r; } int _isfinite(double v) { #if _MSC_VER return ::_finite(v); #else return std::fabs(v) < std::numeric_limits<double>::max(); #endif } double _toInteger(double n) { return (n >= 0)? FXSYS_floor(n): -FXSYS_floor(-n); } bool _isLeapYear(int year) { return (year%4==0)&&((year%100!=0)||(year%400!=0)); } int _DayFromYear(int y) { return (int)(365*(y - 1970.0) + FXSYS_floor((y - 1969.0)/4) - FXSYS_floor((y - 1901.0)/100)+FXSYS_floor((y - 1601.0)/400)); } double _TimeFromYear(int y) { return ((double)86400000) * _DayFromYear(y); } double _TimeFromYearMonth(int y, int m) { static int daysMonth[12] ={ 0,31,59,90,120,151,181,212,243,273,304,334}; static int leapDaysMonth[12] = { 0,31,60,91,121,152,182,213,244,274,305,335}; int* pMonth = daysMonth; if(_isLeapYear(y)) pMonth = leapDaysMonth; return _TimeFromYear(y) + ((double)pMonth[m])*86400000; } int _Day(double t) { return (int)FXSYS_floor(t / 86400000); } int _YearFromTime(double t) { //estimate the time. int y = 1970 +(int)(t/(365.0*86400000)); if (_TimeFromYear(y) <= t) { while(_TimeFromYear(y+1) <= t) y++; } else while(_TimeFromYear(y-1) > t) y--; return y; } int _DayWithinYear(double t) { int year = _YearFromTime(t); int day = _Day(t); return day-_DayFromYear(year); } int _MonthFromTime(double t) { int day = _DayWithinYear(t); int year = _YearFromTime(t); if(0<=day && day <31) return 0; if(31<=day && day< 59+_isLeapYear(year)) return 1; if((59+_isLeapYear(year))<=day && day<(90+_isLeapYear(year))) return 2; if((90+_isLeapYear(year))<=day && day<(120+_isLeapYear(year))) return 3; if((120+_isLeapYear(year))<=day && day<(151+_isLeapYear(year))) return 4; if((151+_isLeapYear(year))<=day && day<(181+_isLeapYear(year))) return 5; if((181+_isLeapYear(year))<=day && day<(212+_isLeapYear(year))) return 6; if((212+_isLeapYear(year))<=day && day<(243+_isLeapYear(year))) return 7; if((243+_isLeapYear(year))<=day && day<(273+_isLeapYear(year))) return 8; if((273+_isLeapYear(year))<=day && day<(304+_isLeapYear(year))) return 9; if((304+_isLeapYear(year))<=day && day<(334+_isLeapYear(year))) return 10; if((334+_isLeapYear(year))<=day && day<(365+_isLeapYear(year))) return 11; return -1; } int _DateFromTime(double t) { int day = _DayWithinYear(t); int year = _YearFromTime(t); bool leap = _isLeapYear(year); int month = _MonthFromTime(t); switch (month) { case 0: return day+1; case 1: return day-30; case 2: return day-58-leap; case 3: return day-89-leap; case 4: return day-119-leap; case 5: return day-150-leap; case 6: return day-180-leap; case 7: return day-211-leap; case 8: return day-242-leap; case 9: return day-272-leap; case 10: return day-303-leap; case 11: return day-333-leap; default: return 0; } } double JS_GetDateTime() { if(!FSDK_IsSandBoxPolicyEnabled(FPDF_POLICY_MACHINETIME_ACCESS)) return 0; time_t t = time(NULL); struct tm* pTm = localtime(&t); int year = pTm->tm_year+1900; double t1 = _TimeFromYear(year); return t1 + pTm->tm_yday*86400000.0 + pTm->tm_hour*3600000.0+pTm->tm_min*60000.0+pTm->tm_sec*1000.0; } int JS_GetYearFromTime(double dt) { return _YearFromTime(dt); } int JS_GetMonthFromTime(double dt) { return _MonthFromTime(dt); } int JS_GetDayFromTime(double dt) { return _DateFromTime(dt); } int JS_GetHourFromTime(double dt) { return (int)_Mod(FXSYS_floor((double)(dt/(60*60*1000))), 24); } int JS_GetMinFromTime(double dt) { return (int)_Mod(FXSYS_floor((double)(dt/(60*1000))), 60); } int JS_GetSecFromTime(double dt) { return (int)_Mod(FXSYS_floor((double)(dt/1000)), 60); } double JS_DateParse(const wchar_t* string) { v8::Isolate* pIsolate = v8::Isolate::GetCurrent(); v8::Isolate::Scope isolate_scope(pIsolate); v8::HandleScope scope(pIsolate); v8::Local<v8::Context> context = pIsolate->GetCurrentContext(); //Use the built-in object method. v8::Local<v8::Value> v = context->Global()->Get(context, v8::String::NewFromUtf8(pIsolate, "Date", v8::NewStringType::kNormal).ToLocalChecked()).ToLocalChecked(); if(v->IsObject()) { v8::Local<v8::Object> o = v->ToObject(context).ToLocalChecked(); v = o->Get(context,v8::String::NewFromUtf8(pIsolate, "parse", v8::NewStringType::kNormal).ToLocalChecked()).ToLocalChecked(); if(v->IsFunction()) { v8::Local<v8::Function> funC = v8::Local<v8::Function>::Cast(v); const int argc = 1; v8::Local<v8::String> timeStr = WSToJSString(pIsolate, string); v8::Local<v8::Value> argv[argc] = {timeStr}; v = funC->Call(context, context->Global(), argc, argv).ToLocalChecked(); if(v->IsNumber()) { double date = v->ToNumber(context).ToLocalChecked()->Value(); if(!_isfinite(date)) return date; return date + _getLocalTZA() + _getDaylightSavingTA(date); } } } return 0; } double JS_MakeDay(int nYear, int nMonth, int nDate) { if (!_isfinite(nYear) || !_isfinite(nMonth) ||!_isfinite(nDate)) return GetNan(); double y = _toInteger(nYear); double m = _toInteger(nMonth); double dt = _toInteger(nDate); double ym = y + FXSYS_floor((double)m/12); double mn = _Mod(m ,12); double t = _TimeFromYearMonth((int)ym,(int)mn); if (_YearFromTime(t) != ym || _MonthFromTime(t) != mn ||_DateFromTime(t) != 1) return GetNan(); return _Day(t)+dt-1; } double JS_MakeTime(int nHour, int nMin, int nSec, int nMs) { if (!_isfinite(nHour) ||!_isfinite(nMin) ||!_isfinite(nSec) ||!_isfinite(nMs)) return GetNan(); double h = _toInteger(nHour); double m = _toInteger(nMin); double s = _toInteger(nSec); double milli = _toInteger(nMs); return h * 3600000 + m * 60000 + s * 1000 + milli; } double JS_MakeDate(double day, double time) { if (!_isfinite(day) ||!_isfinite(time)) return GetNan(); return day * 86400000 + time; } bool JS_PortIsNan(double d) { return d != d; } double JS_LocalTime(double d) { return JS_GetDateTime() + _getDaylightSavingTA(d); } //JavaScript time implement End.