diff options
Diffstat (limited to 'fpdfsdk/src/jsapi/fxjs_v8.cpp')
| -rw-r--r-- | fpdfsdk/src/jsapi/fxjs_v8.cpp | 1043 |
1 files changed, 1043 insertions, 0 deletions
diff --git a/fpdfsdk/src/jsapi/fxjs_v8.cpp b/fpdfsdk/src/jsapi/fxjs_v8.cpp new file mode 100644 index 0000000000..bbf9eec67d --- /dev/null +++ b/fpdfsdk/src/jsapi/fxjs_v8.cpp @@ -0,0 +1,1043 @@ +// 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" + +static FX_DWORD g_nan[2] = {0,0x7FF80000 }; +double g_NaN = (*(double *)g_nan); + + +class CJS_PrivateData: public CFX_Object +{ +public: + CJS_PrivateData():ObjDefID(-1), pPrivate(NULL) {} + int ObjDefID; + FX_LPVOID pPrivate; +}; + + +class CJS_ObjDefintion: public CFX_Object +{ +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); + HandleScope handle_scope(isolate); + + v8::Handle<ObjectTemplate> objTemplate = ObjectTemplate::New(isolate); + objTemplate->SetInternalFieldCount(1); + 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::Persistent<ObjectTemplate> m_objTemplate; + v8::Persistent<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); + HandleScope handle_scope(isolate); + CFX_PtrArray* pArray = (CFX_PtrArray*)isolate->GetData(0); + if(!pArray) + { + pArray = FX_NEW CFX_PtrArray(); + isolate->SetData(0, 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, FunctionCallback pMethodCall, unsigned nParamNum) +{ + v8::Isolate* isolate = (v8::Isolate*)pJSRuntime; + v8::Isolate::Scope isolate_scope(isolate); + HandleScope handle_scope(isolate); + + CFX_WideString ws = CFX_WideString((FX_LPCWSTR)sMethodName); + CFX_ByteString bsMethodName = ws.UTF8Encode(); + + CFX_PtrArray* pArray = (CFX_PtrArray*)isolate->GetData(0); + if(!pArray) return 0; + + if(nObjDefnID<0 || nObjDefnID>= pArray->GetSize()) return 0; + CJS_ObjDefintion* pObjDef = (CJS_ObjDefintion*)pArray->GetAt(nObjDefnID); + v8::Local<ObjectTemplate> objTemp = v8::Local<ObjectTemplate>::New(isolate, pObjDef->m_objTemplate); + objTemp->Set(v8::String::NewFromUtf8(isolate, FX_LPCSTR(bsMethodName)), FunctionTemplate::New(isolate, pMethodCall), ReadOnly); + pObjDef->m_objTemplate.Reset(isolate,objTemp); + return 0; +} + +int JS_DefineObjProperty(IJS_Runtime* pJSRuntime, int nObjDefnID, const wchar_t* sPropName, AccessorGetterCallback pPropGet, AccessorSetterCallback pPropPut) +{ + v8::Isolate* isolate = (v8::Isolate*)pJSRuntime; + v8::Isolate::Scope isolate_scope(isolate); + HandleScope handle_scope(isolate); + + CFX_WideString ws = CFX_WideString((FX_LPCWSTR)sPropName); + CFX_ByteString bsPropertyName = ws.UTF8Encode(); + + CFX_PtrArray* pArray = (CFX_PtrArray*)isolate->GetData(0); + if(!pArray) return 0; + + if(nObjDefnID<0 || nObjDefnID>= pArray->GetSize()) return 0; + CJS_ObjDefintion* pObjDef = (CJS_ObjDefintion*)pArray->GetAt(nObjDefnID); + v8::Local<ObjectTemplate> objTemp = v8::Local<ObjectTemplate>::New(isolate, pObjDef->m_objTemplate); + objTemp->SetAccessor(v8::String::NewFromUtf8(isolate, FX_LPCSTR(bsPropertyName)), pPropGet, pPropPut); + pObjDef->m_objTemplate.Reset(isolate,objTemp); + return 0; +} + +int JS_DefineObjAllProperties(IJS_Runtime* pJSRuntime, int nObjDefnID, NamedPropertyQueryCallback pPropQurey, NamedPropertyGetterCallback pPropGet, NamedPropertySetterCallback pPropPut, NamedPropertyDeleterCallback pPropDel) +{ + v8::Isolate* isolate = (v8::Isolate*)pJSRuntime; + v8::Isolate::Scope isolate_scope(isolate); + HandleScope handle_scope(isolate); + + CFX_PtrArray* pArray = (CFX_PtrArray*)isolate->GetData(0); + if(!pArray) return 0; + + if(nObjDefnID<0 || nObjDefnID>= pArray->GetSize()) return 0; + CJS_ObjDefintion* pObjDef = (CJS_ObjDefintion*)pArray->GetAt(nObjDefnID); + v8::Local<ObjectTemplate> objTemp = v8::Local<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::Handle<v8::Value> pDefault) +{ + v8::Isolate* isolate = (v8::Isolate*)pJSRuntime; + v8::Isolate::Scope isolate_scope(isolate); + HandleScope handle_scope(isolate); + + CFX_PtrArray* pArray = (CFX_PtrArray*)isolate->GetData(0); + if(!pArray) return 0; + + CFX_WideString ws = CFX_WideString((FX_LPCWSTR)sConstName); + CFX_ByteString bsConstName = ws.UTF8Encode(); + + if(nObjDefnID<0 || nObjDefnID>= pArray->GetSize()) return 0; + CJS_ObjDefintion* pObjDef = (CJS_ObjDefintion*)pArray->GetAt(nObjDefnID); + v8::Local<ObjectTemplate> objTemp = v8::Local<ObjectTemplate>::New(isolate, pObjDef->m_objTemplate); + objTemp->Set(isolate, FX_LPCSTR(bsConstName), pDefault); + pObjDef->m_objTemplate.Reset(isolate,objTemp); + return 0; +} + +static v8::Persistent<ObjectTemplate>& _getGlobalObjectTemplate(IJS_Runtime* pJSRuntime) +{ + v8::Isolate* isolate = (v8::Isolate*)pJSRuntime; + v8::Isolate::Scope isolate_scope(isolate); + HandleScope handle_scope(isolate); + + CFX_PtrArray* pArray = (CFX_PtrArray*)isolate->GetData(0); + 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::Persistent<ObjectTemplate> gloabalObjectTemplate; + return gloabalObjectTemplate; +} + +int JS_DefineGlobalMethod(IJS_Runtime* pJSRuntime, const wchar_t* sMethodName, FunctionCallback pMethodCall, unsigned nParamNum) +{ + v8::Isolate* isolate = (v8::Isolate*)pJSRuntime; + v8::Isolate::Scope isolate_scope(isolate); + HandleScope handle_scope(isolate); + + CFX_WideString ws = CFX_WideString((FX_LPCWSTR)sMethodName); + CFX_ByteString bsMethodName = ws.UTF8Encode(); + + v8::Local<FunctionTemplate> funTempl = FunctionTemplate::New(isolate, pMethodCall); + v8::Local<ObjectTemplate> objTemp; + + v8::Persistent<ObjectTemplate>& globalObjTemp = _getGlobalObjectTemplate(pJSRuntime); + if(globalObjTemp.IsEmpty()) + objTemp = ObjectTemplate::New(isolate); + else + objTemp = v8::Local<ObjectTemplate>::New(isolate, globalObjTemp); + objTemp->Set(v8::String::NewFromUtf8(isolate, FX_LPCSTR(bsMethodName)), funTempl, ReadOnly); + + globalObjTemp.Reset(isolate,objTemp); + + return 0; +} + +int JS_DefineGlobalConst(IJS_Runtime* pJSRuntime, const wchar_t* sConstName, v8::Handle<v8::Value> pDefault) +{ + v8::Isolate* isolate = (v8::Isolate*)pJSRuntime; + v8::Isolate::Scope isolate_scope(isolate); + HandleScope handle_scope(isolate); + + CFX_WideString ws = CFX_WideString((FX_LPCWSTR)sConstName); + CFX_ByteString bsConst= ws.UTF8Encode(); + + v8::Local<ObjectTemplate> objTemp; + + v8::Persistent<ObjectTemplate>& globalObjTemp = _getGlobalObjectTemplate(pJSRuntime); + if(globalObjTemp.IsEmpty()) + objTemp = ObjectTemplate::New(isolate); + else + objTemp = v8::Local<ObjectTemplate>::New(isolate, globalObjTemp); + objTemp->Set(v8::String::NewFromUtf8(isolate, FX_LPCSTR(bsConst)), pDefault, ReadOnly); + + globalObjTemp.Reset(isolate,objTemp); + + return 0; +} + + +void JS_InitialRuntime(IJS_Runtime* pJSRuntime,IFXJS_Runtime* pFXRuntime, IFXJS_Context* context, v8::Persistent<v8::Context>& v8PersistentContext) +{ + v8::Isolate* isolate = (v8::Isolate*)pJSRuntime; + v8::Isolate::Scope isolate_scope(isolate); + HandleScope handle_scope(isolate); + + v8::Persistent<ObjectTemplate>& globalObjTemp = _getGlobalObjectTemplate(pJSRuntime); + v8::Handle<v8::Context> v8Context = v8::Context::New(isolate, NULL, v8::Local<ObjectTemplate>::New(isolate, globalObjTemp)); + v8::Context::Scope context_scope(v8Context); + + v8::Handle<External> ptr = External::New(isolate, pFXRuntime); + v8Context->SetEmbedderData(1, ptr); + + CFX_PtrArray* pArray = (CFX_PtrArray*)isolate->GetData(0); + 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::Handle<v8::String> objName = v8::String::NewFromUtf8(isolate,(FX_LPCSTR)bs, v8::String::kNormalString, bs.GetLength()); + + + if(pObjDef->objType == JS_DYNAMIC) + { + //Document is set as global object, need to construct it first. + if(ws.Equal(L"Document")) + { + + CJS_PrivateData* pPrivateData = FX_NEW CJS_PrivateData; + pPrivateData->ObjDefID = i; + v8::Handle<External> ptr = External::New(isolate, pPrivateData); + + v8Context->Global()->GetPrototype()->ToObject()->SetInternalField(0, ptr); + + if(pObjDef->m_pConstructor) + pObjDef->m_pConstructor(context, v8Context->Global()->GetPrototype()->ToObject(), v8Context->Global()->GetPrototype()->ToObject()); + } + } + else + { + v8::Handle<v8::Object> obj = JS_NewFxDynamicObj(pJSRuntime, context, i); + v8Context->Global()->Set(objName, obj); + pObjDef->m_StaticObj.Reset(isolate, obj); + } + } + v8PersistentContext.Reset(isolate, v8Context); +} + +void JS_ReleaseRuntime(IJS_Runtime* pJSRuntime, v8::Persistent<v8::Context>& v8PersistentContext) +{ + v8::Isolate* isolate = (v8::Isolate*)pJSRuntime; + v8::Isolate::Scope isolate_scope(isolate); + HandleScope handle_scope(isolate); + v8::Local<v8::Context> context = v8::Local<v8::Context>::New(isolate, v8PersistentContext); + v8::Context::Scope context_scope(context); + + CFX_PtrArray* pArray = (CFX_PtrArray*)isolate->GetData(0); + 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(0,NULL); +} + +void JS_Initial() +{ +#ifndef FOXIT_CHROME_BUILD + v8::V8::InitializeICU(); +#endif +} +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); + TryCatch try_catch; + + CFX_WideString wsScript(script); + CFX_ByteString bsScript = wsScript.UTF8Encode(); + + + v8::Handle<Script> compiled_script = Script::Compile(v8::String::NewFromUtf8(isolate,(FX_LPCSTR)bsScript,v8::String::kNormalString, bsScript.GetLength())); + if (compiled_script.IsEmpty()) { + 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); + TryCatch try_catch; + + CFX_WideString wsScript(script); + CFX_ByteString bsScript = wsScript.UTF8Encode(); + + v8::Handle<Script> compiled_script = Script::Compile(v8::String::NewFromUtf8(isolate,(FX_LPCSTR)bsScript,v8::String::kNormalString, bsScript.GetLength())); + if (compiled_script.IsEmpty()) { + v8::String::Utf8Value error(try_catch.Exception()); + return -1; + } + + v8::Handle<v8::Value> result = compiled_script->Run(); + if (result.IsEmpty()) { + v8::String::Utf8Value error(try_catch.Exception()); + return -1; + } + return 0; +} + +v8::Handle<v8::Object> JS_NewFxDynamicObj(IJS_Runtime* pJSRuntime, IFXJS_Context* pJSContext, int nObjDefnID) +{ + v8::Isolate* isolate = (v8::Isolate*)pJSRuntime; + v8::Isolate::Scope isolate_scope(isolate); + if(-1 == nObjDefnID) + { + v8::Local<ObjectTemplate> objTempl = ObjectTemplate::New(isolate); + return objTempl->NewInstance(); + } + + CFX_PtrArray* pArray = (CFX_PtrArray*)isolate->GetData(0); + if(!pArray) return v8::Handle<v8::Object>(); + + + if(nObjDefnID<0 || nObjDefnID>= pArray->GetSize()) return v8::Handle<v8::Object>(); + CJS_ObjDefintion* pObjDef = (CJS_ObjDefintion*)pArray->GetAt(nObjDefnID); + + v8::Local<v8::Context> context = isolate->GetCurrentContext(); + v8::Local<ObjectTemplate> objTemp = v8::Local<ObjectTemplate>::New(isolate, pObjDef->m_objTemplate); + + v8::Local<v8::Object> obj = objTemp->NewInstance(); + + CJS_PrivateData* pPrivateData = FX_NEW CJS_PrivateData; + pPrivateData->ObjDefID = nObjDefnID; + v8::Handle<External> ptr = External::New(isolate, pPrivateData); + obj->SetInternalField(0, ptr); + + if(pObjDef->m_pConstructor) + pObjDef->m_pConstructor(pJSContext, obj, context->Global()->GetPrototype()->ToObject()); + + return obj; +} + +v8::Handle<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(0); + if(!pArray) return v8::Handle<v8::Object>(); + + if(nObjDefnID<0 || nObjDefnID>= pArray->GetSize()) return v8::Handle<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::Handle<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(0); + if(!pArray) return v8::Handle<v8::Object>(); + + v8::Local<v8::Context> context = isolate->GetCurrentContext(); + return context->Global()->GetPrototype()->ToObject(); +} + +int JS_GetObjDefnID(v8::Handle<v8::Object> pObj) +{ + if(pObj.IsEmpty() || !pObj->InternalFieldCount()) return -1; + v8::Handle<External> field = v8::Handle<External>::Cast(pObj->GetInternalField(0)); + CJS_PrivateData* pPrivateData = (CJS_PrivateData*)field->Value(); + if(pPrivateData) + return pPrivateData->ObjDefID; + return -1; +} + +IJS_Runtime* JS_GetRuntime(v8::Handle<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(0); + 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::Value * pError,const wchar_t * main,const wchar_t * sub) +{ + +} + +unsigned JS_CalcHash(const wchar_t* main, unsigned nLen) +{ + return (unsigned)FX_HashCode_String_GetW(main, nLen); +} + +unsigned JS_CalcHash(const wchar_t* main) +{ + return (unsigned)FX_HashCode_String_GetW(main, FXSYS_wcslen(main)); +} +const wchar_t* JS_GetTypeof(v8::Handle<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; + +} +const wchar_t* JS_GetClassname(v8::Handle<v8::Object> pObj) +{ + return NULL; +} + +void JS_SetPrivate(v8::Handle<v8::Object> pObj, void* p) +{ + JS_SetPrivate(NULL, pObj, p); +} + +void* JS_GetPrivate(v8::Handle<v8::Object> pObj) +{ + return JS_GetPrivate(NULL,pObj); +} + +void JS_SetPrivate(IJS_Runtime* pJSRuntime, v8::Handle<v8::Object> pObj, void* p) +{ + if(pObj.IsEmpty() || !pObj->InternalFieldCount()) return; + v8::Handle<External> ptr = v8::Handle<External>::Cast(pObj->GetInternalField(0)); + CJS_PrivateData* pPrivateData = (CJS_PrivateData*)ptr->Value(); + if(!pPrivateData) return; + pPrivateData->pPrivate = p; +} + +void* JS_GetPrivate(IJS_Runtime* pJSRuntime, v8::Handle<v8::Object> pObj) +{ + if(pObj.IsEmpty()) return NULL; + v8::Local<v8::Value> value; + if(pObj->InternalFieldCount()) + value = pObj->GetInternalField(0); + else + { + //It could be a global proxy object. + v8::Local<v8::Value> v = pObj->GetPrototype(); + if(v->IsObject()) + value = v->ToObject()->GetInternalField(0); + } + if(value.IsEmpty() || value->IsUndefined()) return NULL; + v8::Handle<External> ptr = v8::Handle<External>::Cast(value); + CJS_PrivateData* pPrivateData = (CJS_PrivateData*)ptr->Value(); + if(!pPrivateData) return NULL; + return pPrivateData->pPrivate; +} + +void JS_FreePrivate(v8::Handle<v8::Object> pObj) +{ + if(pObj.IsEmpty() || !pObj->InternalFieldCount()) return; + v8::Handle<External> ptr = v8::Handle<External>::Cast(pObj->GetInternalField(0)); + delete (CJS_PrivateData*)ptr->Value(); + v8::Local<v8::Context> context = pObj->CreationContext(); + + pObj->SetInternalField(0, External::New(context->GetIsolate(), NULL)); +} + + +v8::Handle<v8::Value> JS_GetObjectValue(v8::Handle<v8::Object> pObj) +{ + return pObj; +} + +v8::Handle<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, (FX_LPCSTR)bs); +} + +v8::Handle<v8::Value> JS_GetObjectElement(IJS_Runtime* pJSRuntime, v8::Handle<v8::Object> pObj,const wchar_t* PropertyName) +{ + if(pObj.IsEmpty()) return v8::Handle<v8::Value>(); + return pObj->Get(WSToJSString(pJSRuntime,PropertyName)); +} + +v8::Handle<v8::Array> JS_GetObjectElementNames(v8::Handle<v8::Object> pObj) +{ + if(pObj.IsEmpty()) return v8::Handle<v8::Array>(); + return pObj->GetPropertyNames(); +} + +void JS_PutObjectString(IJS_Runtime* pJSRuntime,v8::Handle<v8::Object> pObj, const wchar_t* PropertyName, const wchar_t* sValue) //VT_string +{ + if(pObj.IsEmpty()) return; + pObj->Set(WSToJSString(pJSRuntime, PropertyName), WSToJSString(pJSRuntime, sValue)); +} + +void JS_PutObjectNumber(IJS_Runtime* pJSRuntime,v8::Handle<v8::Object> pObj, const wchar_t* PropertyName, int nValue) +{ + if(pObj.IsEmpty()) return; + pObj->Set(WSToJSString(pJSRuntime,PropertyName),Int32::New(pJSRuntime, nValue)); +} + +void JS_PutObjectNumber(IJS_Runtime* pJSRuntime,v8::Handle<v8::Object> pObj, const wchar_t* PropertyName, float fValue) +{ + if(pObj.IsEmpty()) return; + pObj->Set(WSToJSString(pJSRuntime,PropertyName),Number::New(pJSRuntime, (double)fValue)); +} + +void JS_PutObjectNumber(IJS_Runtime* pJSRuntime,v8::Handle<v8::Object> pObj, const wchar_t* PropertyName, double dValue) +{ + if(pObj.IsEmpty()) return; + pObj->Set(WSToJSString(pJSRuntime,PropertyName),Number::New(pJSRuntime, (double)dValue)); +} + +void JS_PutObjectBoolean(IJS_Runtime* pJSRuntime,v8::Handle<v8::Object> pObj, const wchar_t* PropertyName, bool bValue) +{ + if(pObj.IsEmpty()) return; + pObj->Set(WSToJSString(pJSRuntime,PropertyName),v8::Boolean::New(pJSRuntime, bValue)); +} + +void JS_PutObjectObject(IJS_Runtime* pJSRuntime,v8::Handle<v8::Object> pObj, const wchar_t* PropertyName, v8::Handle<v8::Object> pPut) +{ + if(pObj.IsEmpty()) return; + pObj->Set(WSToJSString(pJSRuntime,PropertyName),pPut); +} + +void JS_PutObjectNull(IJS_Runtime* pJSRuntime,v8::Handle<v8::Object> pObj, const wchar_t* PropertyName) +{ + if(pObj.IsEmpty()) return; + pObj->Set(WSToJSString(pJSRuntime,PropertyName),v8::Handle<v8::Object>()); +} + +v8::Handle<v8::Array> JS_NewArray(IJS_Runtime* pJSRuntime) +{ + return v8::Array::New(pJSRuntime); +} + +unsigned JS_PutArrayElement(v8::Handle<v8::Array> pArray,unsigned index,v8::Handle<v8::Value> pValue,FXJSVALUETYPE eType) +{ + if(pArray.IsEmpty()) return 0; + pArray->Set(index, pValue); + return 1; +} + +v8::Handle<v8::Value> JS_GetArrayElemnet(v8::Handle<v8::Array> pArray,unsigned index) +{ + if(pArray.IsEmpty()) return v8::Handle<v8::Value>(); + return pArray->Get(index); +} + +unsigned JS_GetArrayLength(v8::Handle<v8::Array> pArray) +{ + if(pArray.IsEmpty()) return 0; + return pArray->Length(); +} + +v8::Handle<v8::Value> JS_NewNumber(IJS_Runtime* pJSRuntime,int number) +{ + return Int32::New(pJSRuntime, number); +} + +v8::Handle<v8::Value> JS_NewNumber(IJS_Runtime* pJSRuntime,double number) +{ + return Number::New(pJSRuntime, number); +} + +v8::Handle<v8::Value> JS_NewNumber(IJS_Runtime* pJSRuntime,float number) +{ + return Number::New(pJSRuntime, (float)number); +} + +v8::Handle<v8::Value> JS_NewBoolean(IJS_Runtime* pJSRuntime,bool b) +{ + return v8::Boolean::New(pJSRuntime, b); +} + +v8::Handle<v8::Value> JS_NewObject(IJS_Runtime* pJSRuntime,v8::Handle<v8::Object> pObj) +{ + if(pObj.IsEmpty()) return v8::Handle<v8::Value>(); + return pObj->Clone(); +} + +v8::Handle<v8::Value> JS_NewObject2(IJS_Runtime* pJSRuntime,v8::Handle<v8::Array> pObj) +{ + if(pObj.IsEmpty()) return v8::Handle<v8::Value>(); + return pObj->Clone(); +} + + +v8::Handle<v8::Value> JS_NewString(IJS_Runtime* pJSRuntime,const wchar_t* string) +{ + return WSToJSString(pJSRuntime, string); +} + +v8::Handle<v8::Value> JS_NewString(IJS_Runtime* pJSRuntime,const wchar_t* string, unsigned nLen) +{ + return WSToJSString(pJSRuntime, string, nLen); +} + +v8::Handle<v8::Value> JS_NewNull() +{ + return v8::Handle<v8::Value>(); +} + +v8::Handle<v8::Value> JS_NewDate(IJS_Runtime* pJSRuntime,double d) +{ + return Date::New(pJSRuntime, d); +} + +v8::Handle<v8::Value> JS_NewValue(IJS_Runtime* pJSRuntime) +{ + return v8::Handle<v8::Value>(); +} + +v8::Handle<v8::Value> JS_GetListValue(v8::Handle<v8::Value> pList, int index) +{ + + if(!pList.IsEmpty() && pList->IsObject()) + { + v8::Local<v8::Object> obj = pList->ToObject(); + return obj->Get(index); + } + return v8::Handle<v8::Value>(); +} + +int JS_ToInt32(v8::Handle<v8::Value> pValue) +{ + if(pValue.IsEmpty()) return 0; + return pValue->ToInt32()->Value(); +} + +bool JS_ToBoolean(v8::Handle<v8::Value> pValue) +{ + if(pValue.IsEmpty()) return false; + return pValue->ToBoolean()->Value(); +} + +double JS_ToNumber(v8::Handle<v8::Value> pValue) +{ + if(pValue.IsEmpty()) return 0.0; + return pValue->ToNumber()->Value(); +} + +v8::Handle<v8::Object> JS_ToObject(v8::Handle<v8::Value> pValue) +{ + if(pValue.IsEmpty()) return v8::Handle<v8::Object>(); + return pValue->ToObject(); +} + +CFX_WideString JS_ToString(v8::Handle<v8::Value> pValue) +{ + if(pValue.IsEmpty()) return L""; + v8::String::Utf8Value s(pValue->ToString()); + return CFX_WideString::FromUTF8(*s); +} + +v8::Handle<v8::Array> JS_ToArray(v8::Handle<v8::Value> pValue) +{ + if(pValue.IsEmpty()) return v8::Handle<v8::Array>(); + return v8::Handle<v8::Array>::Cast(pValue->ToObject()); +} + +void JS_ValueCopy(v8::Handle<v8::Value>& pTo, v8::Handle<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); + 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); + HandleScope scope(pIsolate); + + v8::Local<v8::Context> context = pIsolate->GetCurrentContext(); + + //Use the built-in object method. + v8::Local<v8::Value> v = context->Global()->Get(v8::String::NewFromUtf8(pIsolate, "Date")); + if(v->IsObject()) + { + v8::Local<v8::Object> o = v->ToObject(); + v = o->Get(v8::String::NewFromUtf8(pIsolate, "parse")); + if(v->IsFunction()) + { + v8::Local<Function> funC = v8::Handle<Function>::Cast(v); + + const int argc = 1; + v8::Local<v8::String> timeStr = WSToJSString(pIsolate, string); + v8::Handle<v8::Value> argv[argc] = {timeStr}; + v = funC->Call(context->Global(), argc, argv); + if(v->IsNumber()) + { + double date = v->ToNumber()->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 g_NaN; + 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 g_NaN; + 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 g_NaN; + + 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 g_NaN; + + 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.
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