// 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 #ifndef _JS_DEFINE_H_ #define _JS_DEFINE_H_ typedef v8::Value JSValue; typedef v8::Handle JSObject; typedef v8::Handle JSFXObject; typedef unsigned JSBool; #include "JS_Object.h" #include "JS_Value.h" struct JSConstSpec { const wchar_t* pName; double number; const wchar_t* string; FX_BYTE t; //0:double 1:str }; struct JSPropertySpec { const wchar_t* pName; v8::AccessorGetterCallback pPropGet; v8::AccessorSetterCallback pPropPut; }; struct JSMethodSpec { const wchar_t* pName; v8::FunctionCallback pMethodCall; unsigned nParamNum; }; typedef CFX_WideString JS_ErrorString; #define JS_TRUE (unsigned)1 #define JS_FALSE (unsigned)0 #define CJS_PointsArray CFX_ArrayTemplate #define CJS_IntArray CFX_ArrayTemplate /* ====================================== PUBLIC DEFINE SPEC ============================================== */ #define JS_WIDESTRING(widestring) L###widestring #define BEGIN_JS_STATIC_CONST(js_class_name) JSConstSpec js_class_name::JS_Class_Consts[] = { #define JS_STATIC_CONST_ENTRY_NUMBER(const_name, pValue) {JS_WIDESTRING(const_name), pValue, L"", 0}, #define JS_STATIC_CONST_ENTRY_STRING(const_name, pValue) {JS_WIDESTRING(const_name), 0, JS_WIDESTRING(pValue), 1}, #define END_JS_STATIC_CONST() {0, 0, 0, 0}}; #define BEGIN_JS_STATIC_PROP(js_class_name) JSPropertySpec js_class_name::JS_Class_Properties[] = { #define JS_STATIC_PROP_ENTRY(prop_name) {JS_WIDESTRING(prop_name), get_##prop_name##_static, set_##prop_name##_static}, #define END_JS_STATIC_PROP() {0, 0, 0}}; #define BEGIN_JS_STATIC_METHOD(js_class_name) JSMethodSpec js_class_name::JS_Class_Methods[] = { #define JS_STATIC_METHOD_ENTRY(method_name, nargs) {JS_WIDESTRING(method_name), method_name##_static, nargs}, #define END_JS_STATIC_METHOD() {0, 0, 0}}; /* ======================================== PROP CALLBACK ============================================ */ template void JSPropGetter(const char* prop_name_string, const char* class_name_string, v8::Local property, const v8::PropertyCallbackInfo& info) { v8::Isolate* isolate = info.GetIsolate(); v8::Local context = isolate->GetCurrentContext(); v8::Local v = context->GetEmbedderData(1); v8::Handle field = v8::Handle::Cast(v); IFXJS_Runtime* pRuntime = (IFXJS_Runtime*)field->Value(); IFXJS_Context* pContext = pRuntime->GetCurrentContext(); CJS_Object* pJSObj = (CJS_Object*)JS_GetPrivate(isolate,info.Holder()); C* pObj = reinterpret_cast(pJSObj->GetEmbedObject()); JS_ErrorString sError; CJS_PropValue value(isolate); value.StartGetting(); if (!(pObj->*M)(pContext, value, sError)) { CFX_ByteString cbName; cbName.Format("%s.%s", class_name_string, prop_name_string); JS_Error(NULL, CFX_WideString::FromLocal(cbName), sError); return; } info.GetReturnValue().Set((v8::Handle)value); } template void JSPropSetter(const char* prop_name_string, const char* class_name_string, v8::Local property, v8::Local value, const v8::PropertyCallbackInfo& info) { v8::Isolate* isolate = info.GetIsolate(); v8::Local context = isolate->GetCurrentContext(); v8::Local v = context->GetEmbedderData(1); v8::Handle field = v8::Handle::Cast(v); IFXJS_Runtime* pRuntime = (IFXJS_Runtime*)field->Value(); IFXJS_Context* pContext = pRuntime->GetCurrentContext(); CJS_Object* pJSObj = (CJS_Object*)JS_GetPrivate(isolate,info.Holder()); C* pObj = reinterpret_cast(pJSObj->GetEmbedObject()); JS_ErrorString sError; CJS_PropValue propValue(CJS_Value(isolate, value, VT_unknown)); propValue.StartSetting(); if (!(pObj->*M)(pContext, propValue, sError)) { CFX_ByteString cbName; cbName.Format("%s.%s", class_name_string, prop_name_string); JS_Error(NULL, CFX_WideString::FromLocal(cbName), sError); } } #define JS_STATIC_PROP(prop_name, class_name) \ static void get_##prop_name##_static( \ v8::Local property, \ const v8::PropertyCallbackInfo& info) { \ JSPropGetter( \ #prop_name, #class_name, property, info); \ } \ static void set_##prop_name##_static( \ v8::Local property, \ v8::Local value, \ const v8::PropertyCallbackInfo& info) { \ JSPropSetter( \ #prop_name, #class_name, property, value, info); \ } /* ========================================= METHOD CALLBACK =========================================== */ template void JSMethod(const char* method_name_string, const char* class_name_string, const v8::FunctionCallbackInfo& info) { v8::Isolate* isolate = info.GetIsolate(); v8::Local context = isolate->GetCurrentContext(); v8::Local v = context->GetEmbedderData(1); v8::Handle field = v8::Handle::Cast(v); IFXJS_Runtime* pRuntime = (IFXJS_Runtime*)field->Value(); IFXJS_Context* cc = pRuntime->GetCurrentContext(); CJS_Parameters parameters; for (unsigned int i = 0; i<(unsigned int)info.Length(); i++) { parameters.push_back(CJS_Value(isolate, info[i], VT_unknown)); } CJS_Value valueRes(isolate); CJS_Object* pJSObj = (CJS_Object *)JS_GetPrivate(isolate,info.Holder()); C* pObj = reinterpret_cast(pJSObj->GetEmbedObject()); JS_ErrorString sError; if (!(pObj->*M)(cc, parameters, valueRes, sError)) { CFX_ByteString cbName; cbName.Format("%s.%s", class_name_string, method_name_string); JS_Error(NULL, CFX_WideString::FromLocal(cbName), sError); return; } info.GetReturnValue().Set(valueRes.ToJSValue()); } #define JS_STATIC_METHOD(method_name, class_name) \ static void method_name##_static( \ const v8::FunctionCallbackInfo& info) { \ JSMethod( \ #class_name, #method_name, info); \ } #define JS_SPECIAL_STATIC_METHOD(method_name, class_alternate, class_name) \ static void method_name##_static( \ const v8::FunctionCallbackInfo& info) { \ JSMethod( \ #class_name, #method_name, info); \ } /* ===================================== JS CLASS =============================================== */ #define DECLARE_JS_CLASS(js_class_name) \ static JSBool JSConstructor(IFXJS_Context* cc, JSFXObject obj,JSFXObject global);\ static JSBool JSDestructor(JSFXObject obj);\ static int Init(IJS_Runtime* pRuntime, FXJSOBJTYPE eObjType);\ static void GetConsts(JSConstSpec*& pConsts, int& nSize);\ static void GetProperties(JSPropertySpec*& pProperties, int& nSize);\ static void GetMethods(JSMethodSpec*& pMethods, int& nSize);\ static JSConstSpec JS_Class_Consts[];\ static JSPropertySpec JS_Class_Properties[];\ static JSMethodSpec JS_Class_Methods[];\ static const wchar_t* m_pClassName #define IMPLEMENT_JS_CLASS_RICH(js_class_name, class_alternate, class_name) \ const wchar_t* js_class_name::m_pClassName = JS_WIDESTRING(class_name);\ JSBool js_class_name::JSConstructor(IFXJS_Context* cc, JSFXObject obj, JSFXObject global)\ {\ CJS_Object* pObj = FX_NEW js_class_name(obj);\ pObj->SetEmbedObject(FX_NEW class_alternate(pObj));\ JS_SetPrivate(NULL,obj,(void*)pObj); \ pObj->InitInstance(cc);\ return JS_TRUE;\ }\ \ JSBool js_class_name::JSDestructor(JSFXObject obj) \ {\ js_class_name* pObj = (js_class_name*)JS_GetPrivate(NULL,obj);\ ASSERT(pObj != NULL);\ pObj->ExitInstance();\ delete pObj;\ return JS_TRUE;\ }\ \ int js_class_name::Init(IJS_Runtime* pRuntime, FXJSOBJTYPE eObjType)\ {\ int nObjDefnID = JS_DefineObj(pRuntime, js_class_name::m_pClassName, eObjType, JSConstructor, JSDestructor, 0);\ if (nObjDefnID >= 0)\ {\ for (int j=0, szj=sizeof(JS_Class_Properties)/sizeof(JSPropertySpec)-1; j=0)\ {\ for (int i=0, sz=sizeof(JS_Class_Consts)/sizeof(JSConstSpec)-1; iGetEmbedObject();\ ASSERT(pObj != NULL);\ FX_BOOL bRet = FALSE;\ bRet = pObj->QueryProperty(propname.c_str());\ if (bRet)\ {\ info.GetReturnValue().Set(0x004);\ return ;\ }\ else\ {\ info.GetReturnValue().Set(0);\ return ;\ }\ return ;\ }\ void js_class_name::getprop_##js_class_name##_static(JS_NAMED_PROPGET_ARGS)\ {\ v8::Isolate* isolate = info.GetIsolate();\ v8::Local context = isolate->GetCurrentContext();\ v8::Local v = context->GetEmbedderData(1);\ ASSERT(!v.IsEmpty());\ if(v.IsEmpty()) return;\ v8::Handle field = v8::Handle::Cast(v);\ IFXJS_Runtime* pRuntime = (IFXJS_Runtime*)field->Value();\ IFXJS_Context* cc = pRuntime->GetCurrentContext();\ v8::String::Utf8Value utf8_value(property);\ CFX_WideString propname = CFX_WideString::FromUTF8(*utf8_value, utf8_value.length());\ CJS_PropValue value(isolate);\ value.StartGetting();\ CJS_Object* pJSObj = (CJS_Object*)JS_GetPrivate(isolate,info.Holder());\ ASSERT(pJSObj != NULL);\ class_alternate* pObj = (class_alternate*)pJSObj->GetEmbedObject();\ ASSERT(pObj != NULL);\ JS_ErrorString sError;\ FX_BOOL bRet = FALSE;\ bRet = pObj->DoProperty(cc, propname.c_str(), value, sError);\ if (bRet)\ {\ info.GetReturnValue().Set((v8::Handle)value);\ return ;\ }\ else\ {\ CFX_ByteString cbName;\ cbName.Format("%s.%s", #class_name, L"GetProperty");\ JS_Error(NULL,CFX_WideString::FromLocal(cbName), sError);\ return ;\ }\ JS_Error(NULL,L"GetProperty", L"Embeded object not found!");\ return ;\ }\ void js_class_name::putprop_##js_class_name##_static(JS_NAMED_PROPPUT_ARGS)\ {\ v8::Isolate* isolate = info.GetIsolate();\ v8::Local context = isolate->GetCurrentContext();\ v8::Local v = context->GetEmbedderData(1);\ ASSERT(!v.IsEmpty());\ if(v.IsEmpty()) return;\ v8::Handle field = v8::Handle::Cast(v);\ IFXJS_Runtime* pRuntime = (IFXJS_Runtime*)field->Value();\ IFXJS_Context* cc = pRuntime->GetCurrentContext();\ v8::String::Utf8Value utf8_value(property);\ CFX_WideString propname = CFX_WideString::FromUTF8(*utf8_value, utf8_value.length());\ CJS_PropValue PropValue(CJS_Value(isolate,value,VT_unknown));\ PropValue.StartSetting();\ CJS_Object* pJSObj = (CJS_Object*)JS_GetPrivate(isolate,info.Holder());\ if(!pJSObj) return;\ class_alternate* pObj = (class_alternate*)pJSObj->GetEmbedObject();\ ASSERT(pObj != NULL);\ JS_ErrorString sError;\ FX_BOOL bRet = FALSE;\ bRet = pObj->DoProperty(cc, propname.c_str(), PropValue, sError);\ if (bRet)\ {\ return ;\ }\ else\ {\ CFX_ByteString cbName;\ cbName.Format("%s.%s", #class_name, "PutProperty");\ JS_Error(NULL,CFX_WideString::FromLocal(cbName), sError);\ return ;\ }\ JS_Error(NULL,L"PutProperty", L"Embeded object not found!");\ return ;\ }\ void js_class_name::delprop_##js_class_name##_static(JS_PROPDEL_ARGS)\ {\ v8::Isolate* isolate = info.GetIsolate();\ v8::Local context = isolate->GetCurrentContext();\ v8::Local v = context->GetEmbedderData(1);\ ASSERT(!v.IsEmpty());\ if(v.IsEmpty()) return;\ v8::Handle field = v8::Handle::Cast(v);\ IFXJS_Runtime* pRuntime = (IFXJS_Runtime*)field->Value();\ IFXJS_Context* cc = pRuntime->GetCurrentContext();\ v8::String::Utf8Value utf8_value(property);\ CFX_WideString propname = CFX_WideString::FromUTF8(*utf8_value, utf8_value.length());\ CJS_Object* pJSObj = (CJS_Object*)JS_GetPrivate(isolate,info.Holder());\ ASSERT(pJSObj != NULL);\ class_alternate* pObj = (class_alternate*)pJSObj->GetEmbedObject();\ ASSERT(pObj != NULL);\ JS_ErrorString sError;\ FX_BOOL bRet = FALSE;\ bRet = pObj->DelProperty(cc, propname.c_str(), sError);\ if (bRet)\ {\ return ;\ }\ else\ {\ CFX_ByteString cbName;\ cbName.Format("%s.%s", #class_name, "DelProperty");\ return ;\ }\ return ;\ }\ JSBool js_class_name::JSConstructor(IFXJS_Context* cc, JSFXObject obj,JSFXObject global)\ {\ CJS_Object* pObj = FX_NEW js_class_name(obj);\ pObj->SetEmbedObject(FX_NEW class_alternate(pObj));\ JS_SetPrivate(NULL,obj, (void*)pObj); \ pObj->InitInstance(cc);\ return JS_TRUE;\ }\ \ JSBool js_class_name::JSDestructor(JSFXObject obj) \ {\ js_class_name* pObj = (js_class_name*)JS_GetPrivate(NULL,obj);\ ASSERT(pObj != NULL);\ pObj->ExitInstance();\ delete pObj;\ return JS_TRUE;\ }\ \ int js_class_name::Init(IJS_Runtime* pRuntime, FXJSOBJTYPE eObjType)\ {\ \ int nObjDefnID = JS_DefineObj(pRuntime, js_class_name::m_pClassName, eObjType, JSConstructor, JSDestructor, 0);\ \ if (nObjDefnID >= 0)\ {\ for (int j=0, szj=sizeof(JS_Class_Properties)/sizeof(JSPropertySpec)-1; j void JSGlobalFunc(const char *func_name_string, const v8::FunctionCallbackInfo& info) { v8::Isolate* isolate = info.GetIsolate(); v8::Local context = isolate->GetCurrentContext(); v8::Local v = context->GetEmbedderData(1); v8::Handle field = v8::Handle::Cast(v); IFXJS_Runtime* pRuntime = (IFXJS_Runtime*)field->Value(); IFXJS_Context* cc = pRuntime->GetCurrentContext(); CJS_Parameters parameters; for (unsigned int i = 0; i<(unsigned int)info.Length(); i++) { parameters.push_back(CJS_Value(isolate, info[i], VT_unknown)); } CJS_Value valueRes(isolate); JS_ErrorString sError; if (!(*F)(cc, parameters, valueRes, sError)) { JS_Error(NULL, JS_WIDESTRING(fun_name), sError); return; } info.GetReturnValue().Set(valueRes.ToJSValue()); } #define JS_STATIC_GLOBAL_FUN(fun_name) \ static void fun_name##_static(const v8::FunctionCallbackInfo& info) { \ JSGlobalFunc(#fun_name, info); \ } #define JS_STATIC_DECLARE_GLOBAL_FUN() \ static JSMethodSpec global_methods[]; \ static int Init(IJS_Runtime* pRuntime) #define BEGIN_JS_STATIC_GLOBAL_FUN(js_class_name) \ JSMethodSpec js_class_name::global_methods[] = { #define JS_STATIC_GLOBAL_FUN_ENTRY(method_name,nargs) JS_STATIC_METHOD_ENTRY(method_name,nargs) #define END_JS_STATIC_GLOBAL_FUN() END_JS_STATIC_METHOD() #define IMPLEMENT_JS_STATIC_GLOBAL_FUN(js_class_name) \ int js_class_name::Init(IJS_Runtime* pRuntime)\ {\ for (int i=0, sz=sizeof(js_class_name::global_methods)/sizeof(JSMethodSpec)-1; i p); #endif //_JS_DEFINE_H_