1 // Copyright 2014 PDFium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com 6 7 #include "../../../core/include/fxcrt/fx_basic.h" 8 #include "../../../core/include/fxcrt/fx_ext.h" 9 #include "../../include/jsapi/fxjs_v8.h" 10 #include "../../include/fsdk_define.h" 11 #include "time.h" 12 #include <cmath> 13 #include <limits> 14 15 #define VALUE_NAME_STRING L"string" 16 #define VALUE_NAME_NUMBER L"number" 17 #define VALUE_NAME_BOOLEAN L"boolean" 18 #define VALUE_NAME_DATE L"date" 19 #define VALUE_NAME_OBJECT L"object" 20 #define VALUE_NAME_FXOBJ L"fxobj" 21 #define VALUE_NAME_NULL L"null" 22 #define VALUE_NAME_UNDEFINED L"undefined" 23 24 static FX_DWORD g_nan[2] = {0,0x7FF80000 }; 25 double g_NaN = (*(double *)g_nan); 26 27 28 class CJS_PrivateData: public CFX_Object 29 { 30 public: 31 CJS_PrivateData():ObjDefID(-1), pPrivate(NULL) {} 32 int ObjDefID; 33 FX_LPVOID pPrivate; 34 }; 35 36 37 class CJS_ObjDefintion: public CFX_Object 38 { 39 public: 40 CJS_ObjDefintion(v8::Isolate* isolate, const wchar_t* sObjName, FXJSOBJTYPE eObjType, LP_CONSTRUCTOR pConstructor, LP_DESTRUCTOR pDestructor, unsigned bApplyNew): 41 objName(sObjName), objType(eObjType), m_pConstructor(pConstructor), m_pDestructor(pDestructor),m_bApplyNew(bApplyNew),m_bSetAsGlobalObject(FALSE) 42 { 43 v8::Isolate::Scope isolate_scope(isolate); 44 v8::HandleScope handle_scope(isolate); 45 46 v8::Handle<v8::ObjectTemplate> objTemplate = v8::ObjectTemplate::New(isolate); 47 objTemplate->SetInternalFieldCount(1); 48 m_objTemplate.Reset(isolate, objTemplate); 49 50 //Document as the global object. 51 if(FXSYS_wcscmp(sObjName, L"Document") == 0) 52 { 53 m_bSetAsGlobalObject = TRUE; 54 } 55 56 } 57 ~CJS_ObjDefintion() 58 { 59 m_objTemplate.Reset(); 60 m_StaticObj.Reset(); 61 } 62 public: 63 const wchar_t* objName; 64 FXJSOBJTYPE objType; 65 LP_CONSTRUCTOR m_pConstructor; 66 LP_DESTRUCTOR m_pDestructor; 67 unsigned m_bApplyNew; 68 FX_BOOL m_bSetAsGlobalObject; 69 70 v8::Persistent<v8::ObjectTemplate> m_objTemplate; 71 v8::Persistent<v8::Object> m_StaticObj; 72 }; 73 74 int JS_DefineObj(IJS_Runtime* pJSRuntime, const wchar_t* sObjName, FXJSOBJTYPE eObjType, LP_CONSTRUCTOR pConstructor, LP_DESTRUCTOR pDestructor, unsigned bApplyNew) 75 { 76 v8::Isolate* isolate = (v8::Isolate*)pJSRuntime; 77 v8::Isolate::Scope isolate_scope(isolate); 78 v8::HandleScope handle_scope(isolate); 79 CFX_PtrArray* pArray = (CFX_PtrArray*)isolate->GetData(0); 80 if(!pArray) 81 { 82 pArray = FX_NEW CFX_PtrArray(); 83 isolate->SetData(0, pArray); 84 } 85 CJS_ObjDefintion* pObjDef = FX_NEW CJS_ObjDefintion(isolate, sObjName, eObjType, pConstructor, pDestructor, bApplyNew); 86 pArray->Add(pObjDef); 87 return pArray->GetSize()-1; 88 } 89 90 int JS_DefineObjMethod(IJS_Runtime* pJSRuntime, int nObjDefnID, const wchar_t* sMethodName, v8::FunctionCallback pMethodCall, unsigned nParamNum) 91 { 92 v8::Isolate* isolate = (v8::Isolate*)pJSRuntime; 93 v8::Isolate::Scope isolate_scope(isolate); 94 v8::HandleScope handle_scope(isolate); 95 96 CFX_WideString ws = CFX_WideString((FX_LPCWSTR)sMethodName); 97 CFX_ByteString bsMethodName = ws.UTF8Encode(); 98 99 CFX_PtrArray* pArray = (CFX_PtrArray*)isolate->GetData(0); 100 if(!pArray) return 0; 101 102 if(nObjDefnID<0 || nObjDefnID>= pArray->GetSize()) return 0; 103 CJS_ObjDefintion* pObjDef = (CJS_ObjDefintion*)pArray->GetAt(nObjDefnID); 104 v8::Local<v8::ObjectTemplate> objTemp = v8::Local<v8::ObjectTemplate>::New(isolate, pObjDef->m_objTemplate); 105 objTemp->Set(v8::String::NewFromUtf8(isolate, FX_LPCSTR(bsMethodName)), v8::FunctionTemplate::New(isolate, pMethodCall), v8::ReadOnly); 106 pObjDef->m_objTemplate.Reset(isolate,objTemp); 107 return 0; 108 } 109 110 int JS_DefineObjProperty(IJS_Runtime* pJSRuntime, int nObjDefnID, const wchar_t* sPropName, v8::AccessorGetterCallback pPropGet, v8::AccessorSetterCallback pPropPut) 111 { 112 v8::Isolate* isolate = (v8::Isolate*)pJSRuntime; 113 v8::Isolate::Scope isolate_scope(isolate); 114 v8::HandleScope handle_scope(isolate); 115 116 CFX_WideString ws = CFX_WideString((FX_LPCWSTR)sPropName); 117 CFX_ByteString bsPropertyName = ws.UTF8Encode(); 118 119 CFX_PtrArray* pArray = (CFX_PtrArray*)isolate->GetData(0); 120 if(!pArray) return 0; 121 122 if(nObjDefnID<0 || nObjDefnID>= pArray->GetSize()) return 0; 123 CJS_ObjDefintion* pObjDef = (CJS_ObjDefintion*)pArray->GetAt(nObjDefnID); 124 v8::Local<v8::ObjectTemplate> objTemp = v8::Local<v8::ObjectTemplate>::New(isolate, pObjDef->m_objTemplate); 125 objTemp->SetAccessor(v8::String::NewFromUtf8(isolate, FX_LPCSTR(bsPropertyName)), pPropGet, pPropPut); 126 pObjDef->m_objTemplate.Reset(isolate,objTemp); 127 return 0; 128 } 129 130 int JS_DefineObjAllProperties(IJS_Runtime* pJSRuntime, int nObjDefnID, v8::NamedPropertyQueryCallback pPropQurey, v8::NamedPropertyGetterCallback pPropGet, v8::NamedPropertySetterCallback pPropPut, v8::NamedPropertyDeleterCallback pPropDel) 131 { 132 v8::Isolate* isolate = (v8::Isolate*)pJSRuntime; 133 v8::Isolate::Scope isolate_scope(isolate); 134 v8::HandleScope handle_scope(isolate); 135 136 CFX_PtrArray* pArray = (CFX_PtrArray*)isolate->GetData(0); 137 if(!pArray) return 0; 138 139 if(nObjDefnID<0 || nObjDefnID>= pArray->GetSize()) return 0; 140 CJS_ObjDefintion* pObjDef = (CJS_ObjDefintion*)pArray->GetAt(nObjDefnID); 141 v8::Local<v8::ObjectTemplate> objTemp = v8::Local<v8::ObjectTemplate>::New(isolate, pObjDef->m_objTemplate); 142 objTemp->SetNamedPropertyHandler(pPropGet, pPropPut, pPropQurey, pPropDel); 143 pObjDef->m_objTemplate.Reset(isolate,objTemp); 144 return 0; 145 } 146 147 int JS_DefineObjConst(IJS_Runtime* pJSRuntime, int nObjDefnID, const wchar_t* sConstName, v8::Handle<v8::Value> pDefault) 148 { 149 v8::Isolate* isolate = (v8::Isolate*)pJSRuntime; 150 v8::Isolate::Scope isolate_scope(isolate); 151 v8::HandleScope handle_scope(isolate); 152 153 CFX_PtrArray* pArray = (CFX_PtrArray*)isolate->GetData(0); 154 if(!pArray) return 0; 155 156 CFX_WideString ws = CFX_WideString((FX_LPCWSTR)sConstName); 157 CFX_ByteString bsConstName = ws.UTF8Encode(); 158 159 if(nObjDefnID<0 || nObjDefnID>= pArray->GetSize()) return 0; 160 CJS_ObjDefintion* pObjDef = (CJS_ObjDefintion*)pArray->GetAt(nObjDefnID); 161 v8::Local<v8::ObjectTemplate> objTemp = v8::Local<v8::ObjectTemplate>::New(isolate, pObjDef->m_objTemplate); 162 objTemp->Set(isolate, FX_LPCSTR(bsConstName), pDefault); 163 pObjDef->m_objTemplate.Reset(isolate,objTemp); 164 return 0; 165 } 166 167 static v8::Persistent<v8::ObjectTemplate>& _getGlobalObjectTemplate(IJS_Runtime* pJSRuntime) 168 { 169 v8::Isolate* isolate = (v8::Isolate*)pJSRuntime; 170 v8::Isolate::Scope isolate_scope(isolate); 171 v8::HandleScope handle_scope(isolate); 172 173 CFX_PtrArray* pArray = (CFX_PtrArray*)isolate->GetData(0); 174 ASSERT(pArray != NULL); 175 for(int i=0; i<pArray->GetSize(); i++) 176 { 177 CJS_ObjDefintion* pObjDef = (CJS_ObjDefintion*)pArray->GetAt(i); 178 if(pObjDef->m_bSetAsGlobalObject) 179 return pObjDef->m_objTemplate; 180 } 181 static v8::Persistent<v8::ObjectTemplate> gloabalObjectTemplate; 182 return gloabalObjectTemplate; 183 } 184 185 int JS_DefineGlobalMethod(IJS_Runtime* pJSRuntime, const wchar_t* sMethodName, v8::FunctionCallback pMethodCall, unsigned nParamNum) 186 { 187 v8::Isolate* isolate = (v8::Isolate*)pJSRuntime; 188 v8::Isolate::Scope isolate_scope(isolate); 189 v8::HandleScope handle_scope(isolate); 190 191 CFX_WideString ws = CFX_WideString((FX_LPCWSTR)sMethodName); 192 CFX_ByteString bsMethodName = ws.UTF8Encode(); 193 194 v8::Local<v8::FunctionTemplate> funTempl = v8::FunctionTemplate::New(isolate, pMethodCall); 195 v8::Local<v8::ObjectTemplate> objTemp; 196 197 v8::Persistent<v8::ObjectTemplate>& globalObjTemp = _getGlobalObjectTemplate(pJSRuntime); 198 if(globalObjTemp.IsEmpty()) 199 objTemp = v8::ObjectTemplate::New(isolate); 200 else 201 objTemp = v8::Local<v8::ObjectTemplate>::New(isolate, globalObjTemp); 202 objTemp->Set(v8::String::NewFromUtf8(isolate, FX_LPCSTR(bsMethodName)), funTempl, v8::ReadOnly); 203 204 globalObjTemp.Reset(isolate,objTemp); 205 206 return 0; 207 } 208 209 int JS_DefineGlobalConst(IJS_Runtime* pJSRuntime, const wchar_t* sConstName, v8::Handle<v8::Value> pDefault) 210 { 211 v8::Isolate* isolate = (v8::Isolate*)pJSRuntime; 212 v8::Isolate::Scope isolate_scope(isolate); 213 v8::HandleScope handle_scope(isolate); 214 215 CFX_WideString ws = CFX_WideString((FX_LPCWSTR)sConstName); 216 CFX_ByteString bsConst= ws.UTF8Encode(); 217 218 v8::Local<v8::ObjectTemplate> objTemp; 219 220 v8::Persistent<v8::ObjectTemplate>& globalObjTemp = _getGlobalObjectTemplate(pJSRuntime); 221 if(globalObjTemp.IsEmpty()) 222 objTemp = v8::ObjectTemplate::New(isolate); 223 else 224 objTemp = v8::Local<v8::ObjectTemplate>::New(isolate, globalObjTemp); 225 objTemp->Set(v8::String::NewFromUtf8(isolate, FX_LPCSTR(bsConst)), pDefault, v8::ReadOnly); 226 227 globalObjTemp.Reset(isolate,objTemp); 228 229 return 0; 230 } 231 232 233 void JS_InitialRuntime(IJS_Runtime* pJSRuntime,IFXJS_Runtime* pFXRuntime, IFXJS_Context* context, v8::Persistent<v8::Context>& v8PersistentContext) 234 { 235 v8::Isolate* isolate = (v8::Isolate*)pJSRuntime; 236 v8::Isolate::Scope isolate_scope(isolate); 237 v8::HandleScope handle_scope(isolate); 238 239 v8::Persistent<v8::ObjectTemplate>& globalObjTemp = _getGlobalObjectTemplate(pJSRuntime); 240 v8::Handle<v8::Context> v8Context = v8::Context::New(isolate, NULL, v8::Local<v8::ObjectTemplate>::New(isolate, globalObjTemp)); 241 v8::Context::Scope context_scope(v8Context); 242 243 v8::Handle<v8::External> ptr = v8::External::New(isolate, pFXRuntime); 244 v8Context->SetEmbedderData(1, ptr); 245 246 CFX_PtrArray* pArray = (CFX_PtrArray*)isolate->GetData(0); 247 if(!pArray) return; 248 249 for(int i=0; i<pArray->GetSize(); i++) 250 { 251 CJS_ObjDefintion* pObjDef = (CJS_ObjDefintion*)pArray->GetAt(i); 252 CFX_WideString ws = CFX_WideString(pObjDef->objName); 253 CFX_ByteString bs = ws.UTF8Encode(); 254 v8::Handle<v8::String> objName = v8::String::NewFromUtf8(isolate,(FX_LPCSTR)bs, v8::String::kNormalString, bs.GetLength()); 255 256 257 if(pObjDef->objType == JS_DYNAMIC) 258 { 259 //Document is set as global object, need to construct it first. 260 if(ws.Equal(L"Document")) 261 { 262 263 CJS_PrivateData* pPrivateData = FX_NEW CJS_PrivateData; 264 pPrivateData->ObjDefID = i; 265 v8::Handle<v8::External> ptr = v8::External::New(isolate, pPrivateData); 266 267 v8Context->Global()->GetPrototype()->ToObject()->SetInternalField(0, ptr); 268 269 if(pObjDef->m_pConstructor) 270 pObjDef->m_pConstructor(context, v8Context->Global()->GetPrototype()->ToObject(), v8Context->Global()->GetPrototype()->ToObject()); 271 } 272 } 273 else 274 { 275 v8::Handle<v8::Object> obj = JS_NewFxDynamicObj(pJSRuntime, context, i); 276 v8Context->Global()->Set(objName, obj); 277 pObjDef->m_StaticObj.Reset(isolate, obj); 278 } 279 } 280 v8PersistentContext.Reset(isolate, v8Context); 281 } 282 283 void JS_ReleaseRuntime(IJS_Runtime* pJSRuntime, v8::Persistent<v8::Context>& v8PersistentContext) 284 { 285 v8::Isolate* isolate = (v8::Isolate*)pJSRuntime; 286 v8::Isolate::Scope isolate_scope(isolate); 287 v8::HandleScope handle_scope(isolate); 288 v8::Local<v8::Context> context = v8::Local<v8::Context>::New(isolate, v8PersistentContext); 289 v8::Context::Scope context_scope(context); 290 291 CFX_PtrArray* pArray = (CFX_PtrArray*)isolate->GetData(0); 292 if(!pArray) return ; 293 294 for(int i=0; i<pArray->GetSize(); i++) 295 { 296 CJS_ObjDefintion* pObjDef = (CJS_ObjDefintion*)pArray->GetAt(i); 297 if(!pObjDef->m_StaticObj.IsEmpty()) 298 { 299 v8::Local<v8::Object> pObj = v8::Local<v8::Object>::New(isolate, pObjDef->m_StaticObj); 300 if(pObjDef->m_pDestructor) 301 pObjDef->m_pDestructor(pObj); 302 JS_FreePrivate(pObj); 303 } 304 delete pObjDef; 305 } 306 delete pArray; 307 isolate->SetData(0,NULL); 308 } 309 310 void JS_Initial() 311 { 312 #ifndef FOXIT_CHROME_BUILD 313 v8::V8::InitializeICU(); 314 #endif 315 } 316 void JS_Release() 317 { 318 319 } 320 int JS_Parse(IJS_Runtime* pJSRuntime, IFXJS_Context* pJSContext, const wchar_t* script, long length, FXJSErr* perror) 321 { 322 v8::Isolate* isolate = (v8::Isolate*)pJSRuntime; 323 v8::Isolate::Scope isolate_scope(isolate); 324 v8::TryCatch try_catch; 325 326 CFX_WideString wsScript(script); 327 CFX_ByteString bsScript = wsScript.UTF8Encode(); 328 329 330 v8::Handle<v8::Script> compiled_script = v8::Script::Compile(v8::String::NewFromUtf8(isolate,(FX_LPCSTR)bsScript,v8::String::kNormalString, bsScript.GetLength())); 331 if (compiled_script.IsEmpty()) { 332 v8::String::Utf8Value error(try_catch.Exception()); 333 return -1; 334 } 335 return 0; 336 } 337 338 int JS_Execute(IJS_Runtime* pJSRuntime, IFXJS_Context* pJSContext, const wchar_t* script, long length, FXJSErr* perror) 339 { 340 v8::Isolate* isolate = (v8::Isolate*)pJSRuntime; 341 v8::Isolate::Scope isolate_scope(isolate); 342 v8::TryCatch try_catch; 343 344 CFX_WideString wsScript(script); 345 CFX_ByteString bsScript = wsScript.UTF8Encode(); 346 347 v8::Handle<v8::Script> compiled_script = v8::Script::Compile(v8::String::NewFromUtf8(isolate,(FX_LPCSTR)bsScript,v8::String::kNormalString, bsScript.GetLength())); 348 if (compiled_script.IsEmpty()) { 349 v8::String::Utf8Value error(try_catch.Exception()); 350 return -1; 351 } 352 353 v8::Handle<v8::Value> result = compiled_script->Run(); 354 if (result.IsEmpty()) { 355 v8::String::Utf8Value error(try_catch.Exception()); 356 return -1; 357 } 358 return 0; 359 } 360 361 v8::Handle<v8::Object> JS_NewFxDynamicObj(IJS_Runtime* pJSRuntime, IFXJS_Context* pJSContext, int nObjDefnID) 362 { 363 v8::Isolate* isolate = (v8::Isolate*)pJSRuntime; 364 v8::Isolate::Scope isolate_scope(isolate); 365 if(-1 == nObjDefnID) 366 { 367 v8::Local<v8::ObjectTemplate> objTempl = v8::ObjectTemplate::New(isolate); 368 return objTempl->NewInstance(); 369 } 370 371 CFX_PtrArray* pArray = (CFX_PtrArray*)isolate->GetData(0); 372 if(!pArray) return v8::Handle<v8::Object>(); 373 374 375 if(nObjDefnID<0 || nObjDefnID>= pArray->GetSize()) return v8::Handle<v8::Object>(); 376 CJS_ObjDefintion* pObjDef = (CJS_ObjDefintion*)pArray->GetAt(nObjDefnID); 377 378 v8::Local<v8::Context> context = isolate->GetCurrentContext(); 379 v8::Local<v8::ObjectTemplate> objTemp = v8::Local<v8::ObjectTemplate>::New(isolate, pObjDef->m_objTemplate); 380 381 v8::Local<v8::Object> obj = objTemp->NewInstance(); 382 383 CJS_PrivateData* pPrivateData = FX_NEW CJS_PrivateData; 384 pPrivateData->ObjDefID = nObjDefnID; 385 v8::Handle<v8::External> ptr = v8::External::New(isolate, pPrivateData); 386 obj->SetInternalField(0, ptr); 387 388 if(pObjDef->m_pConstructor) 389 pObjDef->m_pConstructor(pJSContext, obj, context->Global()->GetPrototype()->ToObject()); 390 391 return obj; 392 } 393 394 v8::Handle<v8::Object> JS_GetStaticObj(IJS_Runtime* pJSRuntime, int nObjDefnID) 395 { 396 v8::Isolate* isolate = (v8::Isolate*)pJSRuntime; 397 v8::Isolate::Scope isolate_scope(isolate); 398 399 CFX_PtrArray* pArray = (CFX_PtrArray*)isolate->GetData(0); 400 if(!pArray) return v8::Handle<v8::Object>(); 401 402 if(nObjDefnID<0 || nObjDefnID>= pArray->GetSize()) return v8::Handle<v8::Object>(); 403 CJS_ObjDefintion* pObjDef = (CJS_ObjDefintion*)pArray->GetAt(nObjDefnID); 404 v8::Local<v8::Object> obj = v8::Local<v8::Object>::New(isolate,pObjDef->m_StaticObj); 405 return obj; 406 } 407 408 void JS_SetThisObj(IJS_Runtime* pJSRuntime, int nThisObjID) 409 { 410 //Do nothing. 411 } 412 v8::Handle<v8::Object> JS_GetThisObj(IJS_Runtime * pJSRuntime) 413 { 414 //Return the global object. 415 v8::Isolate* isolate = (v8::Isolate*)pJSRuntime; 416 v8::Isolate::Scope isolate_scope(isolate); 417 418 CFX_PtrArray* pArray = (CFX_PtrArray*)isolate->GetData(0); 419 if(!pArray) return v8::Handle<v8::Object>(); 420 421 v8::Local<v8::Context> context = isolate->GetCurrentContext(); 422 return context->Global()->GetPrototype()->ToObject(); 423 } 424 425 int JS_GetObjDefnID(v8::Handle<v8::Object> pObj) 426 { 427 if(pObj.IsEmpty() || !pObj->InternalFieldCount()) return -1; 428 v8::Handle<v8::External> field = v8::Handle<v8::External>::Cast(pObj->GetInternalField(0)); 429 CJS_PrivateData* pPrivateData = (CJS_PrivateData*)field->Value(); 430 if(pPrivateData) 431 return pPrivateData->ObjDefID; 432 return -1; 433 } 434 435 IJS_Runtime* JS_GetRuntime(v8::Handle<v8::Object> pObj) 436 { 437 if(pObj.IsEmpty()) return NULL; 438 v8::Local<v8::Context> context = pObj->CreationContext(); 439 if(context.IsEmpty()) return NULL; 440 return context->GetIsolate(); 441 } 442 443 int JS_GetObjDefnID(IJS_Runtime * pJSRuntime, const wchar_t* pObjName) 444 { 445 v8::Isolate* isolate = (v8::Isolate*)pJSRuntime; 446 v8::Isolate::Scope isolate_scope(isolate); 447 448 CFX_PtrArray* pArray = (CFX_PtrArray*)isolate->GetData(0); 449 if(!pArray) return -1; 450 451 for(int i=0; i<pArray->GetSize(); i++) 452 { 453 CJS_ObjDefintion* pObjDef = (CJS_ObjDefintion*)pArray->GetAt(i); 454 if(FXSYS_wcscmp(pObjDef->objName, pObjName) == 0) 455 return i; 456 } 457 return -1; 458 } 459 460 void JS_Error(v8::Value * pError,const wchar_t * main,const wchar_t * sub) 461 { 462 463 } 464 465 unsigned JS_CalcHash(const wchar_t* main, unsigned nLen) 466 { 467 return (unsigned)FX_HashCode_String_GetW(main, nLen); 468 } 469 470 unsigned JS_CalcHash(const wchar_t* main) 471 { 472 return (unsigned)FX_HashCode_String_GetW(main, FXSYS_wcslen(main)); 473 } 474 const wchar_t* JS_GetTypeof(v8::Handle<v8::Value> pObj) 475 { 476 if(pObj.IsEmpty()) return NULL; 477 if(pObj->IsString()) 478 return VALUE_NAME_STRING; 479 if(pObj->IsNumber()) 480 return VALUE_NAME_NUMBER; 481 if(pObj->IsBoolean()) 482 return VALUE_NAME_BOOLEAN; 483 if(pObj->IsDate()) 484 return VALUE_NAME_DATE; 485 if(pObj->IsObject()) 486 return VALUE_NAME_OBJECT; 487 if(pObj->IsNull()) 488 return VALUE_NAME_NULL; 489 if(pObj->IsUndefined()) 490 return VALUE_NAME_UNDEFINED; 491 return NULL; 492 493 } 494 const wchar_t* JS_GetClassname(v8::Handle<v8::Object> pObj) 495 { 496 return NULL; 497 } 498 499 void JS_SetPrivate(v8::Handle<v8::Object> pObj, void* p) 500 { 501 JS_SetPrivate(NULL, pObj, p); 502 } 503 504 void* JS_GetPrivate(v8::Handle<v8::Object> pObj) 505 { 506 return JS_GetPrivate(NULL,pObj); 507 } 508 509 void JS_SetPrivate(IJS_Runtime* pJSRuntime, v8::Handle<v8::Object> pObj, void* p) 510 { 511 if(pObj.IsEmpty() || !pObj->InternalFieldCount()) return; 512 v8::Handle<v8::External> ptr = v8::Handle<v8::External>::Cast(pObj->GetInternalField(0)); 513 CJS_PrivateData* pPrivateData = (CJS_PrivateData*)ptr->Value(); 514 if(!pPrivateData) return; 515 pPrivateData->pPrivate = p; 516 } 517 518 void* JS_GetPrivate(IJS_Runtime* pJSRuntime, v8::Handle<v8::Object> pObj) 519 { 520 if(pObj.IsEmpty()) return NULL; 521 v8::Local<v8::Value> value; 522 if(pObj->InternalFieldCount()) 523 value = pObj->GetInternalField(0); 524 else 525 { 526 //It could be a global proxy object. 527 v8::Local<v8::Value> v = pObj->GetPrototype(); 528 if(v->IsObject()) 529 value = v->ToObject()->GetInternalField(0); 530 } 531 if(value.IsEmpty() || value->IsUndefined()) return NULL; 532 v8::Handle<v8::External> ptr = v8::Handle<v8::External>::Cast(value); 533 CJS_PrivateData* pPrivateData = (CJS_PrivateData*)ptr->Value(); 534 if(!pPrivateData) return NULL; 535 return pPrivateData->pPrivate; 536 } 537 538 void JS_FreePrivate(v8::Handle<v8::Object> pObj) 539 { 540 if(pObj.IsEmpty() || !pObj->InternalFieldCount()) return; 541 v8::Handle<v8::External> ptr = v8::Handle<v8::External>::Cast(pObj->GetInternalField(0)); 542 delete (CJS_PrivateData*)ptr->Value(); 543 v8::Local<v8::Context> context = pObj->CreationContext(); 544 545 pObj->SetInternalField(0, v8::External::New(context->GetIsolate(), NULL)); 546 } 547 548 549 v8::Handle<v8::Value> JS_GetObjectValue(v8::Handle<v8::Object> pObj) 550 { 551 return pObj; 552 } 553 554 v8::Handle<v8::String> WSToJSString(IJS_Runtime* pJSRuntime, const wchar_t* PropertyName, int Len = -1) 555 { 556 CFX_WideString ws = CFX_WideString(PropertyName,Len); 557 CFX_ByteString bs = ws.UTF8Encode(); 558 if(!pJSRuntime) pJSRuntime = v8::Isolate::GetCurrent(); 559 return v8::String::NewFromUtf8(pJSRuntime, (FX_LPCSTR)bs); 560 } 561 562 v8::Handle<v8::Value> JS_GetObjectElement(IJS_Runtime* pJSRuntime, v8::Handle<v8::Object> pObj,const wchar_t* PropertyName) 563 { 564 if(pObj.IsEmpty()) return v8::Handle<v8::Value>(); 565 return pObj->Get(WSToJSString(pJSRuntime,PropertyName)); 566 } 567 568 v8::Handle<v8::Array> JS_GetObjectElementNames(v8::Handle<v8::Object> pObj) 569 { 570 if(pObj.IsEmpty()) return v8::Handle<v8::Array>(); 571 return pObj->GetPropertyNames(); 572 } 573 574 void JS_PutObjectString(IJS_Runtime* pJSRuntime,v8::Handle<v8::Object> pObj, const wchar_t* PropertyName, const wchar_t* sValue) //VT_string 575 { 576 if(pObj.IsEmpty()) return; 577 pObj->Set(WSToJSString(pJSRuntime, PropertyName), WSToJSString(pJSRuntime, sValue)); 578 } 579 580 void JS_PutObjectNumber(IJS_Runtime* pJSRuntime,v8::Handle<v8::Object> pObj, const wchar_t* PropertyName, int nValue) 581 { 582 if(pObj.IsEmpty()) return; 583 pObj->Set(WSToJSString(pJSRuntime,PropertyName),v8::Int32::New(pJSRuntime, nValue)); 584 } 585 586 void JS_PutObjectNumber(IJS_Runtime* pJSRuntime,v8::Handle<v8::Object> pObj, const wchar_t* PropertyName, float fValue) 587 { 588 if(pObj.IsEmpty()) return; 589 pObj->Set(WSToJSString(pJSRuntime,PropertyName),v8::Number::New(pJSRuntime, (double)fValue)); 590 } 591 592 void JS_PutObjectNumber(IJS_Runtime* pJSRuntime,v8::Handle<v8::Object> pObj, const wchar_t* PropertyName, double dValue) 593 { 594 if(pObj.IsEmpty()) return; 595 pObj->Set(WSToJSString(pJSRuntime,PropertyName),v8::Number::New(pJSRuntime, (double)dValue)); 596 } 597 598 void JS_PutObjectBoolean(IJS_Runtime* pJSRuntime,v8::Handle<v8::Object> pObj, const wchar_t* PropertyName, bool bValue) 599 { 600 if(pObj.IsEmpty()) return; 601 pObj->Set(WSToJSString(pJSRuntime,PropertyName),v8::Boolean::New(pJSRuntime, bValue)); 602 } 603 604 void JS_PutObjectObject(IJS_Runtime* pJSRuntime,v8::Handle<v8::Object> pObj, const wchar_t* PropertyName, v8::Handle<v8::Object> pPut) 605 { 606 if(pObj.IsEmpty()) return; 607 pObj->Set(WSToJSString(pJSRuntime,PropertyName),pPut); 608 } 609 610 void JS_PutObjectNull(IJS_Runtime* pJSRuntime,v8::Handle<v8::Object> pObj, const wchar_t* PropertyName) 611 { 612 if(pObj.IsEmpty()) return; 613 pObj->Set(WSToJSString(pJSRuntime,PropertyName),v8::Handle<v8::Object>()); 614 } 615 616 v8::Handle<v8::Array> JS_NewArray(IJS_Runtime* pJSRuntime) 617 { 618 return v8::Array::New(pJSRuntime); 619 } 620 621 unsigned JS_PutArrayElement(v8::Handle<v8::Array> pArray,unsigned index,v8::Handle<v8::Value> pValue,FXJSVALUETYPE eType) 622 { 623 if(pArray.IsEmpty()) return 0; 624 pArray->Set(index, pValue); 625 return 1; 626 } 627 628 v8::Handle<v8::Value> JS_GetArrayElemnet(v8::Handle<v8::Array> pArray,unsigned index) 629 { 630 if(pArray.IsEmpty()) return v8::Handle<v8::Value>(); 631 return pArray->Get(index); 632 } 633 634 unsigned JS_GetArrayLength(v8::Handle<v8::Array> pArray) 635 { 636 if(pArray.IsEmpty()) return 0; 637 return pArray->Length(); 638 } 639 640 v8::Handle<v8::Value> JS_NewNumber(IJS_Runtime* pJSRuntime,int number) 641 { 642 return v8::Int32::New(pJSRuntime, number); 643 } 644 645 v8::Handle<v8::Value> JS_NewNumber(IJS_Runtime* pJSRuntime,double number) 646 { 647 return v8::Number::New(pJSRuntime, number); 648 } 649 650 v8::Handle<v8::Value> JS_NewNumber(IJS_Runtime* pJSRuntime,float number) 651 { 652 return v8::Number::New(pJSRuntime, (float)number); 653 } 654 655 v8::Handle<v8::Value> JS_NewBoolean(IJS_Runtime* pJSRuntime,bool b) 656 { 657 return v8::Boolean::New(pJSRuntime, b); 658 } 659 660 v8::Handle<v8::Value> JS_NewObject(IJS_Runtime* pJSRuntime,v8::Handle<v8::Object> pObj) 661 { 662 if(pObj.IsEmpty()) return v8::Handle<v8::Value>(); 663 return pObj->Clone(); 664 } 665 666 v8::Handle<v8::Value> JS_NewObject2(IJS_Runtime* pJSRuntime,v8::Handle<v8::Array> pObj) 667 { 668 if(pObj.IsEmpty()) return v8::Handle<v8::Value>(); 669 return pObj->Clone(); 670 } 671 672 673 v8::Handle<v8::Value> JS_NewString(IJS_Runtime* pJSRuntime,const wchar_t* string) 674 { 675 return WSToJSString(pJSRuntime, string); 676 } 677 678 v8::Handle<v8::Value> JS_NewString(IJS_Runtime* pJSRuntime,const wchar_t* string, unsigned nLen) 679 { 680 return WSToJSString(pJSRuntime, string, nLen); 681 } 682 683 v8::Handle<v8::Value> JS_NewNull() 684 { 685 return v8::Handle<v8::Value>(); 686 } 687 688 v8::Handle<v8::Value> JS_NewDate(IJS_Runtime* pJSRuntime,double d) 689 { 690 return v8::Date::New(pJSRuntime, d); 691 } 692 693 v8::Handle<v8::Value> JS_NewValue(IJS_Runtime* pJSRuntime) 694 { 695 return v8::Handle<v8::Value>(); 696 } 697 698 v8::Handle<v8::Value> JS_GetListValue(v8::Handle<v8::Value> pList, int index) 699 { 700 701 if(!pList.IsEmpty() && pList->IsObject()) 702 { 703 v8::Local<v8::Object> obj = pList->ToObject(); 704 return obj->Get(index); 705 } 706 return v8::Handle<v8::Value>(); 707 } 708 709 int JS_ToInt32(v8::Handle<v8::Value> pValue) 710 { 711 if(pValue.IsEmpty()) return 0; 712 return pValue->ToInt32()->Value(); 713 } 714 715 bool JS_ToBoolean(v8::Handle<v8::Value> pValue) 716 { 717 if(pValue.IsEmpty()) return false; 718 return pValue->ToBoolean()->Value(); 719 } 720 721 double JS_ToNumber(v8::Handle<v8::Value> pValue) 722 { 723 if(pValue.IsEmpty()) return 0.0; 724 return pValue->ToNumber()->Value(); 725 } 726 727 v8::Handle<v8::Object> JS_ToObject(v8::Handle<v8::Value> pValue) 728 { 729 if(pValue.IsEmpty()) return v8::Handle<v8::Object>(); 730 return pValue->ToObject(); 731 } 732 733 CFX_WideString JS_ToString(v8::Handle<v8::Value> pValue) 734 { 735 if(pValue.IsEmpty()) return L""; 736 v8::String::Utf8Value s(pValue->ToString()); 737 return CFX_WideString::FromUTF8(*s); 738 } 739 740 v8::Handle<v8::Array> JS_ToArray(v8::Handle<v8::Value> pValue) 741 { 742 if(pValue.IsEmpty()) return v8::Handle<v8::Array>(); 743 return v8::Handle<v8::Array>::Cast(pValue->ToObject()); 744 } 745 746 void JS_ValueCopy(v8::Handle<v8::Value>& pTo, v8::Handle<v8::Value> pFrom) 747 { 748 pTo = pFrom; 749 } 750 751 752 //JavaScript time implement begin. 753 754 double _getLocalTZA() 755 { 756 if(!FSDK_IsSandBoxPolicyEnabled(FPDF_POLICY_MACHINETIME_ACCESS)) 757 return 0; 758 time_t t = 0; 759 time(&t); 760 localtime(&t); 761 return (double)(-(timezone * 1000)); 762 } 763 764 int _getDaylightSavingTA(double d) 765 { 766 if(!FSDK_IsSandBoxPolicyEnabled(FPDF_POLICY_MACHINETIME_ACCESS)) 767 return 0; 768 time_t t = (time_t)(d/1000); 769 struct tm * tmp = localtime(&t); 770 if (tmp == NULL) 771 return 0; 772 if (tmp->tm_isdst > 0) 773 //One hour. 774 return (int)60*60*1000; 775 return 0; 776 } 777 778 double _Mod(double x, double y) 779 { 780 double r = fmod(x, y); 781 if (r < 0) r += y; 782 return r; 783 } 784 785 int _isfinite(double v) 786 { 787 #if _MSC_VER 788 return ::_finite(v); 789 #else 790 return std::fabs(v) < std::numeric_limits<double>::max(); 791 #endif 792 } 793 794 double _toInteger(double n) 795 { 796 return (n >= 0)? FXSYS_floor(n): -FXSYS_floor(-n); 797 } 798 799 bool _isLeapYear(int year) 800 { 801 return (year%4==0)&&((year%100!=0)||(year%400!=0)); 802 } 803 804 int _DayFromYear(int y) 805 { 806 return (int)(365*(y - 1970.0) + FXSYS_floor((y - 1969.0)/4) - FXSYS_floor((y - 1901.0)/100)+FXSYS_floor((y - 1601.0)/400)); 807 } 808 809 double _TimeFromYear(int y) 810 { 811 return ((double)86400000) * _DayFromYear(y); 812 } 813 814 double _TimeFromYearMonth(int y, int m) 815 { 816 static int daysMonth[12] ={ 0,31,59,90,120,151,181,212,243,273,304,334}; 817 static int leapDaysMonth[12] = { 0,31,60,91,121,152,182,213,244,274,305,335}; 818 int* pMonth = daysMonth; 819 if(_isLeapYear(y)) 820 pMonth = leapDaysMonth; 821 return _TimeFromYear(y) + ((double)pMonth[m])*86400000; 822 } 823 824 int _Day(double t) 825 { 826 return (int)FXSYS_floor(t / 86400000); 827 } 828 829 int _YearFromTime(double t) 830 { 831 //estimate the time. 832 int y = 1970 +(int)(t/(365.0*86400000)); 833 if (_TimeFromYear(y) <= t) 834 { 835 while(_TimeFromYear(y+1) <= t) y++; 836 } 837 else 838 while(_TimeFromYear(y-1) > t) y--; 839 return y; 840 } 841 842 int _DayWithinYear(double t) 843 { 844 int year = _YearFromTime(t); 845 int day = _Day(t); 846 return day-_DayFromYear(year); 847 } 848 849 int _MonthFromTime(double t) 850 { 851 int day = _DayWithinYear(t); 852 int year = _YearFromTime(t); 853 if(0<=day && day <31) 854 return 0; 855 if(31<=day && day< 59+_isLeapYear(year)) 856 return 1; 857 if((59+_isLeapYear(year))<=day && day<(90+_isLeapYear(year))) 858 return 2; 859 if((90+_isLeapYear(year))<=day && day<(120+_isLeapYear(year))) 860 return 3; 861 if((120+_isLeapYear(year))<=day && day<(151+_isLeapYear(year))) 862 return 4; 863 if((151+_isLeapYear(year))<=day && day<(181+_isLeapYear(year))) 864 return 5; 865 if((181+_isLeapYear(year))<=day && day<(212+_isLeapYear(year))) 866 return 6; 867 if((212+_isLeapYear(year))<=day && day<(243+_isLeapYear(year))) 868 return 7; 869 if((243+_isLeapYear(year))<=day && day<(273+_isLeapYear(year))) 870 return 8; 871 if((273+_isLeapYear(year))<=day && day<(304+_isLeapYear(year))) 872 return 9; 873 if((304+_isLeapYear(year))<=day && day<(334+_isLeapYear(year))) 874 return 10; 875 if((334+_isLeapYear(year))<=day && day<(365+_isLeapYear(year))) 876 return 11; 877 878 return -1; 879 } 880 881 int _DateFromTime(double t) 882 { 883 int day = _DayWithinYear(t); 884 int year = _YearFromTime(t); 885 bool leap = _isLeapYear(year); 886 int month = _MonthFromTime(t); 887 switch (month) 888 { 889 case 0: 890 return day+1; 891 case 1: 892 return day-30; 893 case 2: 894 return day-58-leap; 895 case 3: 896 return day-89-leap; 897 case 4: 898 return day-119-leap; 899 case 5: 900 return day-150-leap; 901 case 6: 902 return day-180-leap; 903 case 7: 904 return day-211-leap; 905 case 8: 906 return day-242-leap; 907 case 9: 908 return day-272-leap; 909 case 10: 910 return day-303-leap; 911 case 11: 912 return day-333-leap; 913 default: 914 return 0; 915 } 916 } 917 918 double JS_GetDateTime() 919 { 920 if(!FSDK_IsSandBoxPolicyEnabled(FPDF_POLICY_MACHINETIME_ACCESS)) 921 return 0; 922 time_t t = time(NULL); 923 struct tm* pTm = localtime(&t); 924 925 int year = pTm->tm_year+1900; 926 double t1 = _TimeFromYear(year); 927 928 return t1 + pTm->tm_yday*86400000.0 + pTm->tm_hour*3600000.0+pTm->tm_min*60000.0+pTm->tm_sec*1000.0; 929 } 930 931 int JS_GetYearFromTime(double dt) 932 { 933 return _YearFromTime(dt); 934 } 935 936 int JS_GetMonthFromTime(double dt) 937 { 938 return _MonthFromTime(dt); 939 } 940 941 int JS_GetDayFromTime(double dt) 942 { 943 return _DateFromTime(dt); 944 } 945 946 int JS_GetHourFromTime(double dt) 947 { 948 return (int)_Mod(FXSYS_floor((double)(dt/(60*60*1000))), 24); 949 } 950 951 int JS_GetMinFromTime(double dt) 952 { 953 return (int)_Mod(FXSYS_floor((double)(dt/(60*1000))), 60); 954 } 955 956 int JS_GetSecFromTime(double dt) 957 { 958 return (int)_Mod(FXSYS_floor((double)(dt/1000)), 60); 959 } 960 961 double JS_DateParse(const wchar_t* string) 962 { 963 v8::Isolate* pIsolate = v8::Isolate::GetCurrent(); 964 v8::Isolate::Scope isolate_scope(pIsolate); 965 v8::HandleScope scope(pIsolate); 966 967 v8::Local<v8::Context> context = pIsolate->GetCurrentContext(); 968 969 //Use the built-in object method. 970 v8::Local<v8::Value> v = context->Global()->Get(v8::String::NewFromUtf8(pIsolate, "Date")); 971 if(v->IsObject()) 972 { 973 v8::Local<v8::Object> o = v->ToObject(); 974 v = o->Get(v8::String::NewFromUtf8(pIsolate, "parse")); 975 if(v->IsFunction()) 976 { 977 v8::Local<v8::Function> funC = v8::Handle<v8::Function>::Cast(v); 978 979 const int argc = 1; 980 v8::Local<v8::String> timeStr = WSToJSString(pIsolate, string); 981 v8::Handle<v8::Value> argv[argc] = {timeStr}; 982 v = funC->Call(context->Global(), argc, argv); 983 if(v->IsNumber()) 984 { 985 double date = v->ToNumber()->Value(); 986 if(!_isfinite(date)) return date; 987 return date + _getLocalTZA() + _getDaylightSavingTA(date); 988 } 989 990 } 991 } 992 return 0; 993 } 994 995 double JS_MakeDay(int nYear, int nMonth, int nDate) 996 { 997 if (!_isfinite(nYear) || !_isfinite(nMonth) ||!_isfinite(nDate)) 998 return g_NaN; 999 double y = _toInteger(nYear); 1000 double m = _toInteger(nMonth); 1001 double dt = _toInteger(nDate); 1002 double ym = y + FXSYS_floor((double)m/12); 1003 double mn = _Mod(m ,12); 1004 1005 double t = _TimeFromYearMonth((int)ym,(int)mn); 1006 1007 if (_YearFromTime(t) != ym || _MonthFromTime(t) != mn ||_DateFromTime(t) != 1) 1008 return g_NaN; 1009 return _Day(t)+dt-1; 1010 } 1011 1012 double JS_MakeTime(int nHour, int nMin, int nSec, int nMs) 1013 { 1014 if (!_isfinite(nHour) ||!_isfinite(nMin) ||!_isfinite(nSec) ||!_isfinite(nMs)) 1015 return g_NaN; 1016 1017 double h = _toInteger(nHour); 1018 double m = _toInteger(nMin); 1019 double s = _toInteger(nSec); 1020 double milli = _toInteger(nMs); 1021 1022 return h * 3600000 + m * 60000 + s * 1000 + milli; 1023 } 1024 1025 double JS_MakeDate(double day, double time) 1026 { 1027 if (!_isfinite(day) ||!_isfinite(time)) 1028 return g_NaN; 1029 1030 return day * 86400000 + time; 1031 } 1032 1033 bool JS_PortIsNan(double d) 1034 { 1035 return d != d; 1036 } 1037 1038 double JS_LocalTime(double d) 1039 { 1040 return JS_GetDateTime() + _getDaylightSavingTA(d); 1041 } 1042 1043 //JavaScript time implement End. 1044
