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| 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 "fpdfsdk/include/jsapi/fxjs_v8.h" | |
| 8 | |
| 9 #include <vector> | |
| 10 | |
| 11 #include "core/include/fxcrt/fx_basic.h" | |
| 12 | |
| 13 const wchar_t kFXJSValueNameString[] = L"string"; | |
| 14 const wchar_t kFXJSValueNameNumber[] = L"number"; | |
| 15 const wchar_t kFXJSValueNameBoolean[] = L"boolean"; | |
| 16 const wchar_t kFXJSValueNameDate[] = L"date"; | |
| 17 const wchar_t kFXJSValueNameObject[] = L"object"; | |
| 18 const wchar_t kFXJSValueNameFxobj[] = L"fxobj"; | |
| 19 const wchar_t kFXJSValueNameNull[] = L"null"; | |
| 20 const wchar_t kFXJSValueNameUndefined[] = L"undefined"; | |
| 21 | |
| 22 // Keep this consistent with the values defined in gin/public/context_holder.h | |
| 23 // (without actually requiring a dependency on gin itself for the standalone | |
| 24 // embedders of PDFIum). The value we want to use is: | |
| 25 // kPerContextDataStartIndex + kEmbedderPDFium, which is 3. | |
| 26 static const unsigned int kPerContextDataIndex = 3u; | |
| 27 static unsigned int g_embedderDataSlot = 1u; | |
| 28 static v8::Isolate* g_isolate = nullptr; | |
| 29 static size_t g_isolate_ref_count = 0; | |
| 30 static FXJS_ArrayBufferAllocator* g_arrayBufferAllocator = nullptr; | |
| 31 static v8::Global<v8::ObjectTemplate>* g_DefaultGlobalObjectTemplate = nullptr; | |
| 32 | |
| 33 class CFXJS_PerObjectData { | |
| 34 public: | |
| 35 explicit CFXJS_PerObjectData(int nObjDefID) | |
| 36 : m_ObjDefID(nObjDefID), m_pPrivate(nullptr) {} | |
| 37 | |
| 38 const int m_ObjDefID; | |
| 39 void* m_pPrivate; | |
| 40 }; | |
| 41 | |
| 42 class CFXJS_ObjDefinition { | |
| 43 public: | |
| 44 static int MaxID(v8::Isolate* pIsolate) { | |
| 45 return FXJS_PerIsolateData::Get(pIsolate)->m_ObjectDefnArray.size(); | |
| 46 } | |
| 47 | |
| 48 static CFXJS_ObjDefinition* ForID(v8::Isolate* pIsolate, int id) { | |
| 49 // Note: GetAt() halts if out-of-range even in release builds. | |
| 50 return FXJS_PerIsolateData::Get(pIsolate)->m_ObjectDefnArray[id]; | |
| 51 } | |
| 52 | |
| 53 CFXJS_ObjDefinition(v8::Isolate* isolate, | |
| 54 const wchar_t* sObjName, | |
| 55 FXJSOBJTYPE eObjType, | |
| 56 FXJS_CONSTRUCTOR pConstructor, | |
| 57 FXJS_DESTRUCTOR pDestructor) | |
| 58 : m_ObjName(sObjName), | |
| 59 m_ObjType(eObjType), | |
| 60 m_pConstructor(pConstructor), | |
| 61 m_pDestructor(pDestructor), | |
| 62 m_pIsolate(isolate) { | |
| 63 v8::Isolate::Scope isolate_scope(isolate); | |
| 64 v8::HandleScope handle_scope(isolate); | |
| 65 | |
| 66 v8::Local<v8::FunctionTemplate> fun = v8::FunctionTemplate::New(isolate); | |
| 67 fun->InstanceTemplate()->SetInternalFieldCount(2); | |
| 68 m_FunctionTemplate.Reset(isolate, fun); | |
| 69 | |
| 70 v8::Local<v8::Signature> sig = v8::Signature::New(isolate, fun); | |
| 71 m_Signature.Reset(isolate, sig); | |
| 72 } | |
| 73 | |
| 74 int AssignID() { | |
| 75 FXJS_PerIsolateData* pData = FXJS_PerIsolateData::Get(m_pIsolate); | |
| 76 pData->m_ObjectDefnArray.push_back(this); | |
| 77 return pData->m_ObjectDefnArray.size() - 1; | |
| 78 } | |
| 79 | |
| 80 v8::Local<v8::ObjectTemplate> GetInstanceTemplate() { | |
| 81 v8::EscapableHandleScope scope(m_pIsolate); | |
| 82 v8::Local<v8::FunctionTemplate> function = | |
| 83 m_FunctionTemplate.Get(m_pIsolate); | |
| 84 return scope.Escape(function->InstanceTemplate()); | |
| 85 } | |
| 86 | |
| 87 v8::Local<v8::Signature> GetSignature() { | |
| 88 v8::EscapableHandleScope scope(m_pIsolate); | |
| 89 return scope.Escape(m_Signature.Get(m_pIsolate)); | |
| 90 } | |
| 91 | |
| 92 const wchar_t* const m_ObjName; | |
| 93 const FXJSOBJTYPE m_ObjType; | |
| 94 const FXJS_CONSTRUCTOR m_pConstructor; | |
| 95 const FXJS_DESTRUCTOR m_pDestructor; | |
| 96 | |
| 97 v8::Isolate* m_pIsolate; | |
| 98 v8::Global<v8::FunctionTemplate> m_FunctionTemplate; | |
| 99 v8::Global<v8::Signature> m_Signature; | |
| 100 }; | |
| 101 | |
| 102 static v8::Local<v8::ObjectTemplate> GetGlobalObjectTemplate( | |
| 103 v8::Isolate* pIsolate) { | |
| 104 int maxID = CFXJS_ObjDefinition::MaxID(pIsolate); | |
| 105 for (int i = 0; i < maxID; ++i) { | |
| 106 CFXJS_ObjDefinition* pObjDef = CFXJS_ObjDefinition::ForID(pIsolate, i); | |
| 107 if (pObjDef->m_ObjType == FXJSOBJTYPE_GLOBAL) | |
| 108 return pObjDef->GetInstanceTemplate(); | |
| 109 } | |
| 110 if (!g_DefaultGlobalObjectTemplate) { | |
| 111 g_DefaultGlobalObjectTemplate = new v8::Global<v8::ObjectTemplate>; | |
| 112 g_DefaultGlobalObjectTemplate->Reset(pIsolate, | |
| 113 v8::ObjectTemplate::New(pIsolate)); | |
| 114 } | |
| 115 return g_DefaultGlobalObjectTemplate->Get(pIsolate); | |
| 116 } | |
| 117 | |
| 118 void* FXJS_ArrayBufferAllocator::Allocate(size_t length) { | |
| 119 return calloc(1, length); | |
| 120 } | |
| 121 | |
| 122 void* FXJS_ArrayBufferAllocator::AllocateUninitialized(size_t length) { | |
| 123 return malloc(length); | |
| 124 } | |
| 125 | |
| 126 void FXJS_ArrayBufferAllocator::Free(void* data, size_t length) { | |
| 127 free(data); | |
| 128 } | |
| 129 | |
| 130 void V8TemplateMapTraits::Dispose(v8::Isolate* isolate, | |
| 131 v8::Global<v8::Object> value, | |
| 132 void* key) { | |
| 133 v8::Local<v8::Object> obj = value.Get(isolate); | |
| 134 if (obj.IsEmpty()) | |
| 135 return; | |
| 136 int id = FXJS_GetObjDefnID(obj); | |
| 137 if (id == -1) | |
| 138 return; | |
| 139 | |
| 140 CFXJS_ObjDefinition* pObjDef = CFXJS_ObjDefinition::ForID(isolate, id); | |
| 141 if (!pObjDef) | |
| 142 return; | |
| 143 if (pObjDef->m_pDestructor) | |
| 144 pObjDef->m_pDestructor(obj); | |
| 145 FXJS_FreePrivate(obj); | |
| 146 } | |
| 147 | |
| 148 V8TemplateMapTraits::MapType* V8TemplateMapTraits::MapFromWeakCallbackInfo( | |
| 149 const v8::WeakCallbackInfo<WeakCallbackDataType>& data) { | |
| 150 V8TemplateMap* pMap = | |
| 151 (FXJS_PerIsolateData::Get(data.GetIsolate()))->m_pDynamicObjsMap; | |
| 152 return pMap ? &pMap->m_map : nullptr; | |
| 153 } | |
| 154 | |
| 155 void FXJS_Initialize(unsigned int embedderDataSlot, v8::Isolate* pIsolate) { | |
| 156 if (g_isolate) { | |
| 157 ASSERT(g_embedderDataSlot == embedderDataSlot); | |
| 158 ASSERT(g_isolate == pIsolate); | |
| 159 return; | |
| 160 } | |
| 161 g_embedderDataSlot = embedderDataSlot; | |
| 162 g_isolate = pIsolate; | |
| 163 } | |
| 164 | |
| 165 void FXJS_Release() { | |
| 166 ASSERT(!g_isolate || g_isolate_ref_count == 0); | |
| 167 delete g_DefaultGlobalObjectTemplate; | |
| 168 g_DefaultGlobalObjectTemplate = nullptr; | |
| 169 g_isolate = nullptr; | |
| 170 | |
| 171 delete g_arrayBufferAllocator; | |
| 172 g_arrayBufferAllocator = nullptr; | |
| 173 } | |
| 174 | |
| 175 bool FXJS_GetIsolate(v8::Isolate** pResultIsolate) { | |
| 176 if (g_isolate) { | |
| 177 *pResultIsolate = g_isolate; | |
| 178 return false; | |
| 179 } | |
| 180 // Provide backwards compatibility when no external isolate. | |
| 181 if (!g_arrayBufferAllocator) | |
| 182 g_arrayBufferAllocator = new FXJS_ArrayBufferAllocator(); | |
| 183 v8::Isolate::CreateParams params; | |
| 184 params.array_buffer_allocator = g_arrayBufferAllocator; | |
| 185 *pResultIsolate = v8::Isolate::New(params); | |
| 186 return true; | |
| 187 } | |
| 188 | |
| 189 size_t FXJS_GlobalIsolateRefCount() { | |
| 190 return g_isolate_ref_count; | |
| 191 } | |
| 192 | |
| 193 // static | |
| 194 void FXJS_PerIsolateData::SetUp(v8::Isolate* pIsolate) { | |
| 195 if (!pIsolate->GetData(g_embedderDataSlot)) | |
| 196 pIsolate->SetData(g_embedderDataSlot, new FXJS_PerIsolateData()); | |
| 197 } | |
| 198 | |
| 199 // static | |
| 200 FXJS_PerIsolateData* FXJS_PerIsolateData::Get(v8::Isolate* pIsolate) { | |
| 201 return static_cast<FXJS_PerIsolateData*>( | |
| 202 pIsolate->GetData(g_embedderDataSlot)); | |
| 203 } | |
| 204 | |
| 205 int FXJS_DefineObj(v8::Isolate* pIsolate, | |
| 206 const wchar_t* sObjName, | |
| 207 FXJSOBJTYPE eObjType, | |
| 208 FXJS_CONSTRUCTOR pConstructor, | |
| 209 FXJS_DESTRUCTOR pDestructor) { | |
| 210 v8::Isolate::Scope isolate_scope(pIsolate); | |
| 211 v8::HandleScope handle_scope(pIsolate); | |
| 212 | |
| 213 FXJS_PerIsolateData::SetUp(pIsolate); | |
| 214 CFXJS_ObjDefinition* pObjDef = new CFXJS_ObjDefinition( | |
| 215 pIsolate, sObjName, eObjType, pConstructor, pDestructor); | |
| 216 return pObjDef->AssignID(); | |
| 217 } | |
| 218 | |
| 219 void FXJS_DefineObjMethod(v8::Isolate* pIsolate, | |
| 220 int nObjDefnID, | |
| 221 const wchar_t* sMethodName, | |
| 222 v8::FunctionCallback pMethodCall) { | |
| 223 v8::Isolate::Scope isolate_scope(pIsolate); | |
| 224 v8::HandleScope handle_scope(pIsolate); | |
| 225 CFX_ByteString bsMethodName = CFX_WideString(sMethodName).UTF8Encode(); | |
| 226 CFXJS_ObjDefinition* pObjDef = | |
| 227 CFXJS_ObjDefinition::ForID(pIsolate, nObjDefnID); | |
| 228 pObjDef->GetInstanceTemplate()->Set( | |
| 229 v8::String::NewFromUtf8(pIsolate, bsMethodName.c_str(), | |
| 230 v8::NewStringType::kNormal).ToLocalChecked(), | |
| 231 v8::FunctionTemplate::New(pIsolate, pMethodCall, v8::Local<v8::Value>(), | |
| 232 pObjDef->GetSignature()), | |
| 233 v8::ReadOnly); | |
| 234 } | |
| 235 | |
| 236 void FXJS_DefineObjProperty(v8::Isolate* pIsolate, | |
| 237 int nObjDefnID, | |
| 238 const wchar_t* sPropName, | |
| 239 v8::AccessorGetterCallback pPropGet, | |
| 240 v8::AccessorSetterCallback pPropPut) { | |
| 241 v8::Isolate::Scope isolate_scope(pIsolate); | |
| 242 v8::HandleScope handle_scope(pIsolate); | |
| 243 CFX_ByteString bsPropertyName = CFX_WideString(sPropName).UTF8Encode(); | |
| 244 CFXJS_ObjDefinition* pObjDef = | |
| 245 CFXJS_ObjDefinition::ForID(pIsolate, nObjDefnID); | |
| 246 pObjDef->GetInstanceTemplate()->SetAccessor( | |
| 247 v8::String::NewFromUtf8(pIsolate, bsPropertyName.c_str(), | |
| 248 v8::NewStringType::kNormal).ToLocalChecked(), | |
| 249 pPropGet, pPropPut); | |
| 250 } | |
| 251 | |
| 252 void FXJS_DefineObjAllProperties(v8::Isolate* pIsolate, | |
| 253 int nObjDefnID, | |
| 254 v8::NamedPropertyQueryCallback pPropQurey, | |
| 255 v8::NamedPropertyGetterCallback pPropGet, | |
| 256 v8::NamedPropertySetterCallback pPropPut, | |
| 257 v8::NamedPropertyDeleterCallback pPropDel) { | |
| 258 v8::Isolate::Scope isolate_scope(pIsolate); | |
| 259 v8::HandleScope handle_scope(pIsolate); | |
| 260 CFXJS_ObjDefinition* pObjDef = | |
| 261 CFXJS_ObjDefinition::ForID(pIsolate, nObjDefnID); | |
| 262 pObjDef->GetInstanceTemplate()->SetNamedPropertyHandler(pPropGet, pPropPut, | |
| 263 pPropQurey, pPropDel); | |
| 264 } | |
| 265 | |
| 266 void FXJS_DefineObjConst(v8::Isolate* pIsolate, | |
| 267 int nObjDefnID, | |
| 268 const wchar_t* sConstName, | |
| 269 v8::Local<v8::Value> pDefault) { | |
| 270 v8::Isolate::Scope isolate_scope(pIsolate); | |
| 271 v8::HandleScope handle_scope(pIsolate); | |
| 272 CFX_ByteString bsConstName = CFX_WideString(sConstName).UTF8Encode(); | |
| 273 CFXJS_ObjDefinition* pObjDef = | |
| 274 CFXJS_ObjDefinition::ForID(pIsolate, nObjDefnID); | |
| 275 pObjDef->GetInstanceTemplate()->Set(pIsolate, bsConstName.c_str(), pDefault); | |
| 276 } | |
| 277 | |
| 278 void FXJS_DefineGlobalMethod(v8::Isolate* pIsolate, | |
| 279 const wchar_t* sMethodName, | |
| 280 v8::FunctionCallback pMethodCall) { | |
| 281 v8::Isolate::Scope isolate_scope(pIsolate); | |
| 282 v8::HandleScope handle_scope(pIsolate); | |
| 283 CFX_ByteString bsMethodName = CFX_WideString(sMethodName).UTF8Encode(); | |
| 284 GetGlobalObjectTemplate(pIsolate)->Set( | |
| 285 v8::String::NewFromUtf8(pIsolate, bsMethodName.c_str(), | |
| 286 v8::NewStringType::kNormal).ToLocalChecked(), | |
| 287 v8::FunctionTemplate::New(pIsolate, pMethodCall), v8::ReadOnly); | |
| 288 } | |
| 289 | |
| 290 void FXJS_DefineGlobalConst(v8::Isolate* pIsolate, | |
| 291 const wchar_t* sConstName, | |
| 292 v8::FunctionCallback pConstGetter) { | |
| 293 v8::Isolate::Scope isolate_scope(pIsolate); | |
| 294 v8::HandleScope handle_scope(pIsolate); | |
| 295 CFX_ByteString bsConst = CFX_WideString(sConstName).UTF8Encode(); | |
| 296 GetGlobalObjectTemplate(pIsolate) | |
| 297 ->SetAccessorProperty(v8::String::NewFromUtf8(pIsolate, bsConst.c_str(), | |
| 298 v8::NewStringType::kNormal) | |
| 299 .ToLocalChecked(), | |
| 300 v8::FunctionTemplate::New(pIsolate, pConstGetter)); | |
| 301 } | |
| 302 | |
| 303 void FXJS_InitializeRuntime( | |
| 304 v8::Isolate* pIsolate, | |
| 305 IJS_Runtime* pIRuntime, | |
| 306 v8::Global<v8::Context>* pV8PersistentContext, | |
| 307 std::vector<v8::Global<v8::Object>*>* pStaticObjects) { | |
| 308 if (pIsolate == g_isolate) | |
| 309 ++g_isolate_ref_count; | |
| 310 | |
| 311 v8::Isolate::Scope isolate_scope(pIsolate); | |
| 312 #ifdef PDF_ENABLE_XFA | |
| 313 v8::Locker locker(pIsolate); | |
| 314 #endif // PDF_ENABLE_XFA | |
| 315 v8::HandleScope handle_scope(pIsolate); | |
| 316 v8::Local<v8::Context> v8Context = | |
| 317 v8::Context::New(pIsolate, NULL, GetGlobalObjectTemplate(pIsolate)); | |
| 318 v8::Context::Scope context_scope(v8Context); | |
| 319 | |
| 320 FXJS_PerIsolateData::SetUp(pIsolate); | |
| 321 FXJS_PerIsolateData* pData = FXJS_PerIsolateData::Get(pIsolate); | |
| 322 if (!pData) | |
| 323 return; | |
| 324 pData->CreateDynamicObjsMap(pIsolate); | |
| 325 v8Context->SetAlignedPointerInEmbedderData(kPerContextDataIndex, pIRuntime); | |
| 326 | |
| 327 int maxID = CFXJS_ObjDefinition::MaxID(pIsolate); | |
| 328 pStaticObjects->resize(maxID + 1); | |
| 329 for (int i = 0; i < maxID; ++i) { | |
| 330 CFXJS_ObjDefinition* pObjDef = CFXJS_ObjDefinition::ForID(pIsolate, i); | |
| 331 if (pObjDef->m_ObjType == FXJSOBJTYPE_GLOBAL) { | |
| 332 v8Context->Global() | |
| 333 ->GetPrototype() | |
| 334 ->ToObject(v8Context) | |
| 335 .ToLocalChecked() | |
| 336 ->SetAlignedPointerInInternalField(0, new CFXJS_PerObjectData(i)); | |
| 337 | |
| 338 if (pObjDef->m_pConstructor) | |
| 339 pObjDef->m_pConstructor(pIRuntime, v8Context->Global() | |
| 340 ->GetPrototype() | |
| 341 ->ToObject(v8Context) | |
| 342 .ToLocalChecked()); | |
| 343 } else if (pObjDef->m_ObjType == FXJSOBJTYPE_STATIC) { | |
| 344 CFX_ByteString bs = CFX_WideString(pObjDef->m_ObjName).UTF8Encode(); | |
| 345 v8::Local<v8::String> m_ObjName = | |
| 346 v8::String::NewFromUtf8(pIsolate, bs.c_str(), | |
| 347 v8::NewStringType::kNormal, | |
| 348 bs.GetLength()).ToLocalChecked(); | |
| 349 | |
| 350 v8::Local<v8::Object> obj = | |
| 351 FXJS_NewFxDynamicObj(pIsolate, pIRuntime, i, true); | |
| 352 v8Context->Global()->Set(v8Context, m_ObjName, obj).FromJust(); | |
| 353 pStaticObjects->at(i) = new v8::Global<v8::Object>(pIsolate, obj); | |
| 354 } | |
| 355 } | |
| 356 pV8PersistentContext->Reset(pIsolate, v8Context); | |
| 357 } | |
| 358 | |
| 359 void FXJS_ReleaseRuntime(v8::Isolate* pIsolate, | |
| 360 v8::Global<v8::Context>* pV8PersistentContext, | |
| 361 std::vector<v8::Global<v8::Object>*>* pStaticObjects) { | |
| 362 v8::Isolate::Scope isolate_scope(pIsolate); | |
| 363 #ifdef PDF_ENABLE_XFA | |
| 364 v8::Locker locker(pIsolate); | |
| 365 #endif // PDF_ENABLE_XFA | |
| 366 v8::HandleScope handle_scope(pIsolate); | |
| 367 v8::Local<v8::Context> context = | |
| 368 v8::Local<v8::Context>::New(pIsolate, *pV8PersistentContext); | |
| 369 v8::Context::Scope context_scope(context); | |
| 370 | |
| 371 FXJS_PerIsolateData* pData = FXJS_PerIsolateData::Get(pIsolate); | |
| 372 if (!pData) | |
| 373 return; | |
| 374 pData->ReleaseDynamicObjsMap(); | |
| 375 | |
| 376 int maxID = CFXJS_ObjDefinition::MaxID(pIsolate); | |
| 377 for (int i = 0; i < maxID; ++i) { | |
| 378 CFXJS_ObjDefinition* pObjDef = CFXJS_ObjDefinition::ForID(pIsolate, i); | |
| 379 v8::Local<v8::Object> pObj; | |
| 380 if (pObjDef->m_ObjType == FXJSOBJTYPE_GLOBAL) { | |
| 381 pObj = | |
| 382 context->Global()->GetPrototype()->ToObject(context).ToLocalChecked(); | |
| 383 } else if (pStaticObjects->at(i) && !pStaticObjects->at(i)->IsEmpty()) { | |
| 384 pObj = v8::Local<v8::Object>::New(pIsolate, *pStaticObjects->at(i)); | |
| 385 delete pStaticObjects->at(i); | |
| 386 pStaticObjects->at(i) = nullptr; | |
| 387 } | |
| 388 | |
| 389 if (!pObj.IsEmpty()) { | |
| 390 if (pObjDef->m_pDestructor) | |
| 391 pObjDef->m_pDestructor(pObj); | |
| 392 FXJS_FreePrivate(pObj); | |
| 393 } | |
| 394 } | |
| 395 | |
| 396 if (pIsolate == g_isolate && --g_isolate_ref_count > 0) | |
| 397 return; | |
| 398 | |
| 399 for (int i = 0; i < maxID; ++i) | |
| 400 delete CFXJS_ObjDefinition::ForID(pIsolate, i); | |
| 401 | |
| 402 pIsolate->SetData(g_embedderDataSlot, nullptr); | |
| 403 delete pData; | |
| 404 } | |
| 405 | |
| 406 IJS_Runtime* FXJS_GetRuntimeFromIsolate(v8::Isolate* pIsolate) { | |
| 407 v8::Local<v8::Context> context = pIsolate->GetCurrentContext(); | |
| 408 return static_cast<IJS_Runtime*>( | |
| 409 context->GetAlignedPointerFromEmbedderData(kPerContextDataIndex)); | |
| 410 } | |
| 411 | |
| 412 #ifdef PDF_ENABLE_XFA | |
| 413 void FXJS_SetRuntimeForV8Context(v8::Local<v8::Context> v8Context, | |
| 414 IJS_Runtime* pIRuntime) { | |
| 415 v8Context->SetAlignedPointerInEmbedderData(kPerContextDataIndex, pIRuntime); | |
| 416 } | |
| 417 #endif // PDF_ENABLE_XFA | |
| 418 | |
| 419 int FXJS_Execute(v8::Isolate* pIsolate, | |
| 420 IJS_Context* pJSContext, | |
| 421 const wchar_t* script, | |
| 422 FXJSErr* pError) { | |
| 423 v8::Isolate::Scope isolate_scope(pIsolate); | |
| 424 v8::TryCatch try_catch(pIsolate); | |
| 425 CFX_ByteString bsScript = CFX_WideString(script).UTF8Encode(); | |
| 426 v8::Local<v8::Context> context = pIsolate->GetCurrentContext(); | |
| 427 v8::Local<v8::Script> compiled_script; | |
| 428 if (!v8::Script::Compile( | |
| 429 context, v8::String::NewFromUtf8( | |
| 430 pIsolate, bsScript.c_str(), v8::NewStringType::kNormal, | |
| 431 bsScript.GetLength()).ToLocalChecked()) | |
| 432 .ToLocal(&compiled_script)) { | |
| 433 v8::String::Utf8Value error(try_catch.Exception()); | |
| 434 // TODO(tsepez): return error via pError->message. | |
| 435 return -1; | |
| 436 } | |
| 437 | |
| 438 v8::Local<v8::Value> result; | |
| 439 if (!compiled_script->Run(context).ToLocal(&result)) { | |
| 440 v8::String::Utf8Value error(try_catch.Exception()); | |
| 441 // TODO(tsepez): return error via pError->message. | |
| 442 return -1; | |
| 443 } | |
| 444 return 0; | |
| 445 } | |
| 446 | |
| 447 v8::Local<v8::Object> FXJS_NewFxDynamicObj(v8::Isolate* pIsolate, | |
| 448 IJS_Runtime* pIRuntime, | |
| 449 int nObjDefnID, | |
| 450 bool bStatic) { | |
| 451 v8::Isolate::Scope isolate_scope(pIsolate); | |
| 452 v8::Local<v8::Context> context = pIsolate->GetCurrentContext(); | |
| 453 if (nObjDefnID == -1) { | |
| 454 v8::Local<v8::ObjectTemplate> objTempl = v8::ObjectTemplate::New(pIsolate); | |
| 455 v8::Local<v8::Object> obj; | |
| 456 if (!objTempl->NewInstance(context).ToLocal(&obj)) | |
| 457 return v8::Local<v8::Object>(); | |
| 458 return obj; | |
| 459 } | |
| 460 | |
| 461 FXJS_PerIsolateData* pData = FXJS_PerIsolateData::Get(pIsolate); | |
| 462 if (!pData) | |
| 463 return v8::Local<v8::Object>(); | |
| 464 | |
| 465 if (nObjDefnID < 0 || nObjDefnID >= CFXJS_ObjDefinition::MaxID(pIsolate)) | |
| 466 return v8::Local<v8::Object>(); | |
| 467 | |
| 468 CFXJS_ObjDefinition* pObjDef = | |
| 469 CFXJS_ObjDefinition::ForID(pIsolate, nObjDefnID); | |
| 470 v8::Local<v8::Object> obj; | |
| 471 if (!pObjDef->GetInstanceTemplate()->NewInstance(context).ToLocal(&obj)) | |
| 472 return v8::Local<v8::Object>(); | |
| 473 | |
| 474 CFXJS_PerObjectData* pPerObjData = new CFXJS_PerObjectData(nObjDefnID); | |
| 475 obj->SetAlignedPointerInInternalField(0, pPerObjData); | |
| 476 if (pObjDef->m_pConstructor) | |
| 477 pObjDef->m_pConstructor(pIRuntime, obj); | |
| 478 | |
| 479 if (!bStatic && FXJS_PerIsolateData::Get(pIsolate)->m_pDynamicObjsMap) { | |
| 480 FXJS_PerIsolateData::Get(pIsolate) | |
| 481 ->m_pDynamicObjsMap->set(pPerObjData, obj); | |
| 482 } | |
| 483 return obj; | |
| 484 } | |
| 485 | |
| 486 v8::Local<v8::Object> FXJS_GetThisObj(v8::Isolate* pIsolate) { | |
| 487 v8::Isolate::Scope isolate_scope(pIsolate); | |
| 488 if (!FXJS_PerIsolateData::Get(pIsolate)) | |
| 489 return v8::Local<v8::Object>(); | |
| 490 | |
| 491 // Return the global object. | |
| 492 v8::Local<v8::Context> context = pIsolate->GetCurrentContext(); | |
| 493 return context->Global()->GetPrototype()->ToObject(context).ToLocalChecked(); | |
| 494 } | |
| 495 | |
| 496 int FXJS_GetObjDefnID(v8::Local<v8::Object> pObj) { | |
| 497 if (pObj.IsEmpty() || !pObj->InternalFieldCount()) | |
| 498 return -1; | |
| 499 CFXJS_PerObjectData* pPerObjectData = static_cast<CFXJS_PerObjectData*>( | |
| 500 pObj->GetAlignedPointerFromInternalField(0)); | |
| 501 if (pPerObjectData) | |
| 502 return pPerObjectData->m_ObjDefID; | |
| 503 return -1; | |
| 504 } | |
| 505 | |
| 506 void FXJS_Error(v8::Isolate* pIsolate, const CFX_WideString& message) { | |
| 507 // Conversion from pdfium's wchar_t wide-strings to v8's uint16_t | |
| 508 // wide-strings isn't handled by v8, so use UTF8 as a common | |
| 509 // intermediate format. | |
| 510 CFX_ByteString utf8_message = message.UTF8Encode(); | |
| 511 pIsolate->ThrowException( | |
| 512 v8::String::NewFromUtf8(pIsolate, utf8_message.c_str(), | |
| 513 v8::NewStringType::kNormal).ToLocalChecked()); | |
| 514 } | |
| 515 | |
| 516 const wchar_t* FXJS_GetTypeof(v8::Local<v8::Value> pObj) { | |
| 517 if (pObj.IsEmpty()) | |
| 518 return NULL; | |
| 519 if (pObj->IsString()) | |
| 520 return kFXJSValueNameString; | |
| 521 if (pObj->IsNumber()) | |
| 522 return kFXJSValueNameNumber; | |
| 523 if (pObj->IsBoolean()) | |
| 524 return kFXJSValueNameBoolean; | |
| 525 if (pObj->IsDate()) | |
| 526 return kFXJSValueNameDate; | |
| 527 if (pObj->IsObject()) | |
| 528 return kFXJSValueNameObject; | |
| 529 if (pObj->IsNull()) | |
| 530 return kFXJSValueNameNull; | |
| 531 if (pObj->IsUndefined()) | |
| 532 return kFXJSValueNameUndefined; | |
| 533 return NULL; | |
| 534 } | |
| 535 | |
| 536 void FXJS_SetPrivate(v8::Isolate* pIsolate, | |
| 537 v8::Local<v8::Object> pObj, | |
| 538 void* p) { | |
| 539 if (pObj.IsEmpty() || !pObj->InternalFieldCount()) | |
| 540 return; | |
| 541 CFXJS_PerObjectData* pPerObjectData = static_cast<CFXJS_PerObjectData*>( | |
| 542 pObj->GetAlignedPointerFromInternalField(0)); | |
| 543 if (!pPerObjectData) | |
| 544 return; | |
| 545 pPerObjectData->m_pPrivate = p; | |
| 546 } | |
| 547 | |
| 548 void* FXJS_GetPrivate(v8::Isolate* pIsolate, v8::Local<v8::Object> pObj) { | |
| 549 if (pObj.IsEmpty()) | |
| 550 return nullptr; | |
| 551 CFXJS_PerObjectData* pPerObjectData = nullptr; | |
| 552 if (pObj->InternalFieldCount()) { | |
| 553 pPerObjectData = static_cast<CFXJS_PerObjectData*>( | |
| 554 pObj->GetAlignedPointerFromInternalField(0)); | |
| 555 } else { | |
| 556 // It could be a global proxy object. | |
| 557 v8::Local<v8::Value> v = pObj->GetPrototype(); | |
| 558 v8::Local<v8::Context> context = pIsolate->GetCurrentContext(); | |
| 559 if (v->IsObject()) { | |
| 560 pPerObjectData = static_cast<CFXJS_PerObjectData*>( | |
| 561 v->ToObject(context) | |
| 562 .ToLocalChecked() | |
| 563 ->GetAlignedPointerFromInternalField(0)); | |
| 564 } | |
| 565 } | |
| 566 return pPerObjectData ? pPerObjectData->m_pPrivate : nullptr; | |
| 567 } | |
| 568 | |
| 569 void FXJS_FreePrivate(void* pPerObjectData) { | |
| 570 delete static_cast<CFXJS_PerObjectData*>(pPerObjectData); | |
| 571 } | |
| 572 | |
| 573 void FXJS_FreePrivate(v8::Local<v8::Object> pObj) { | |
| 574 if (pObj.IsEmpty() || !pObj->InternalFieldCount()) | |
| 575 return; | |
| 576 FXJS_FreePrivate(pObj->GetAlignedPointerFromInternalField(0)); | |
| 577 pObj->SetAlignedPointerInInternalField(0, NULL); | |
| 578 } | |
| 579 | |
| 580 v8::Local<v8::String> FXJS_WSToJSString(v8::Isolate* pIsolate, | |
| 581 const wchar_t* PropertyName, | |
| 582 int Len) { | |
| 583 CFX_WideString ws = CFX_WideString(PropertyName, Len); | |
| 584 CFX_ByteString bs = ws.UTF8Encode(); | |
| 585 if (!pIsolate) | |
| 586 pIsolate = v8::Isolate::GetCurrent(); | |
| 587 return v8::String::NewFromUtf8(pIsolate, bs.c_str(), | |
| 588 v8::NewStringType::kNormal).ToLocalChecked(); | |
| 589 } | |
| 590 | |
| 591 v8::Local<v8::Value> FXJS_GetObjectElement(v8::Isolate* pIsolate, | |
| 592 v8::Local<v8::Object> pObj, | |
| 593 const wchar_t* PropertyName) { | |
| 594 if (pObj.IsEmpty()) | |
| 595 return v8::Local<v8::Value>(); | |
| 596 v8::Local<v8::Value> val; | |
| 597 if (!pObj->Get(pIsolate->GetCurrentContext(), | |
| 598 FXJS_WSToJSString(pIsolate, PropertyName)).ToLocal(&val)) | |
| 599 return v8::Local<v8::Value>(); | |
| 600 return val; | |
| 601 } | |
| 602 | |
| 603 v8::Local<v8::Array> FXJS_GetObjectElementNames(v8::Isolate* pIsolate, | |
| 604 v8::Local<v8::Object> pObj) { | |
| 605 if (pObj.IsEmpty()) | |
| 606 return v8::Local<v8::Array>(); | |
| 607 v8::Local<v8::Array> val; | |
| 608 if (!pObj->GetPropertyNames(pIsolate->GetCurrentContext()).ToLocal(&val)) | |
| 609 return v8::Local<v8::Array>(); | |
| 610 return val; | |
| 611 } | |
| 612 | |
| 613 void FXJS_PutObjectString(v8::Isolate* pIsolate, | |
| 614 v8::Local<v8::Object> pObj, | |
| 615 const wchar_t* PropertyName, | |
| 616 const wchar_t* sValue) { | |
| 617 if (pObj.IsEmpty()) | |
| 618 return; | |
| 619 pObj->Set(pIsolate->GetCurrentContext(), | |
| 620 FXJS_WSToJSString(pIsolate, PropertyName), | |
| 621 FXJS_WSToJSString(pIsolate, sValue)).FromJust(); | |
| 622 } | |
| 623 | |
| 624 void FXJS_PutObjectNumber(v8::Isolate* pIsolate, | |
| 625 v8::Local<v8::Object> pObj, | |
| 626 const wchar_t* PropertyName, | |
| 627 int nValue) { | |
| 628 if (pObj.IsEmpty()) | |
| 629 return; | |
| 630 pObj->Set(pIsolate->GetCurrentContext(), | |
| 631 FXJS_WSToJSString(pIsolate, PropertyName), | |
| 632 v8::Int32::New(pIsolate, nValue)).FromJust(); | |
| 633 } | |
| 634 | |
| 635 void FXJS_PutObjectNumber(v8::Isolate* pIsolate, | |
| 636 v8::Local<v8::Object> pObj, | |
| 637 const wchar_t* PropertyName, | |
| 638 float fValue) { | |
| 639 if (pObj.IsEmpty()) | |
| 640 return; | |
| 641 pObj->Set(pIsolate->GetCurrentContext(), | |
| 642 FXJS_WSToJSString(pIsolate, PropertyName), | |
| 643 v8::Number::New(pIsolate, (double)fValue)).FromJust(); | |
| 644 } | |
| 645 | |
| 646 void FXJS_PutObjectNumber(v8::Isolate* pIsolate, | |
| 647 v8::Local<v8::Object> pObj, | |
| 648 const wchar_t* PropertyName, | |
| 649 double dValue) { | |
| 650 if (pObj.IsEmpty()) | |
| 651 return; | |
| 652 pObj->Set(pIsolate->GetCurrentContext(), | |
| 653 FXJS_WSToJSString(pIsolate, PropertyName), | |
| 654 v8::Number::New(pIsolate, (double)dValue)).FromJust(); | |
| 655 } | |
| 656 | |
| 657 void FXJS_PutObjectBoolean(v8::Isolate* pIsolate, | |
| 658 v8::Local<v8::Object> pObj, | |
| 659 const wchar_t* PropertyName, | |
| 660 bool bValue) { | |
| 661 if (pObj.IsEmpty()) | |
| 662 return; | |
| 663 pObj->Set(pIsolate->GetCurrentContext(), | |
| 664 FXJS_WSToJSString(pIsolate, PropertyName), | |
| 665 v8::Boolean::New(pIsolate, bValue)).FromJust(); | |
| 666 } | |
| 667 | |
| 668 void FXJS_PutObjectObject(v8::Isolate* pIsolate, | |
| 669 v8::Local<v8::Object> pObj, | |
| 670 const wchar_t* PropertyName, | |
| 671 v8::Local<v8::Object> pPut) { | |
| 672 if (pObj.IsEmpty()) | |
| 673 return; | |
| 674 pObj->Set(pIsolate->GetCurrentContext(), | |
| 675 FXJS_WSToJSString(pIsolate, PropertyName), pPut).FromJust(); | |
| 676 } | |
| 677 | |
| 678 void FXJS_PutObjectNull(v8::Isolate* pIsolate, | |
| 679 v8::Local<v8::Object> pObj, | |
| 680 const wchar_t* PropertyName) { | |
| 681 if (pObj.IsEmpty()) | |
| 682 return; | |
| 683 pObj->Set(pIsolate->GetCurrentContext(), | |
| 684 FXJS_WSToJSString(pIsolate, PropertyName), | |
| 685 v8::Local<v8::Object>()).FromJust(); | |
| 686 } | |
| 687 | |
| 688 v8::Local<v8::Array> FXJS_NewArray(v8::Isolate* pIsolate) { | |
| 689 return v8::Array::New(pIsolate); | |
| 690 } | |
| 691 | |
| 692 unsigned FXJS_PutArrayElement(v8::Isolate* pIsolate, | |
| 693 v8::Local<v8::Array> pArray, | |
| 694 unsigned index, | |
| 695 v8::Local<v8::Value> pValue) { | |
| 696 if (pArray.IsEmpty()) | |
| 697 return 0; | |
| 698 if (pArray->Set(pIsolate->GetCurrentContext(), index, pValue).IsNothing()) | |
| 699 return 0; | |
| 700 return 1; | |
| 701 } | |
| 702 | |
| 703 v8::Local<v8::Value> FXJS_GetArrayElement(v8::Isolate* pIsolate, | |
| 704 v8::Local<v8::Array> pArray, | |
| 705 unsigned index) { | |
| 706 if (pArray.IsEmpty()) | |
| 707 return v8::Local<v8::Value>(); | |
| 708 v8::Local<v8::Value> val; | |
| 709 if (!pArray->Get(pIsolate->GetCurrentContext(), index).ToLocal(&val)) | |
| 710 return v8::Local<v8::Value>(); | |
| 711 return val; | |
| 712 } | |
| 713 | |
| 714 unsigned FXJS_GetArrayLength(v8::Local<v8::Array> pArray) { | |
| 715 if (pArray.IsEmpty()) | |
| 716 return 0; | |
| 717 return pArray->Length(); | |
| 718 } | |
| 719 | |
| 720 v8::Local<v8::Value> FXJS_NewNumber(v8::Isolate* pIsolate, int number) { | |
| 721 return v8::Int32::New(pIsolate, number); | |
| 722 } | |
| 723 | |
| 724 v8::Local<v8::Value> FXJS_NewNumber(v8::Isolate* pIsolate, double number) { | |
| 725 return v8::Number::New(pIsolate, number); | |
| 726 } | |
| 727 | |
| 728 v8::Local<v8::Value> FXJS_NewNumber(v8::Isolate* pIsolate, float number) { | |
| 729 return v8::Number::New(pIsolate, (float)number); | |
| 730 } | |
| 731 | |
| 732 v8::Local<v8::Value> FXJS_NewBoolean(v8::Isolate* pIsolate, bool b) { | |
| 733 return v8::Boolean::New(pIsolate, b); | |
| 734 } | |
| 735 | |
| 736 v8::Local<v8::Value> FXJS_NewObject(v8::Isolate* pIsolate, | |
| 737 v8::Local<v8::Object> pObj) { | |
| 738 if (pObj.IsEmpty()) | |
| 739 return v8::Local<v8::Value>(); | |
| 740 return pObj->Clone(); | |
| 741 } | |
| 742 | |
| 743 v8::Local<v8::Value> FXJS_NewObject2(v8::Isolate* pIsolate, | |
| 744 v8::Local<v8::Array> pObj) { | |
| 745 if (pObj.IsEmpty()) | |
| 746 return v8::Local<v8::Value>(); | |
| 747 return pObj->Clone(); | |
| 748 } | |
| 749 | |
| 750 v8::Local<v8::Value> FXJS_NewString(v8::Isolate* pIsolate, const wchar_t* str) { | |
| 751 return FXJS_WSToJSString(pIsolate, str); | |
| 752 } | |
| 753 | |
| 754 v8::Local<v8::Value> FXJS_NewNull() { | |
| 755 return v8::Local<v8::Value>(); | |
| 756 } | |
| 757 | |
| 758 v8::Local<v8::Value> FXJS_NewDate(v8::Isolate* pIsolate, double d) { | |
| 759 return v8::Date::New(pIsolate->GetCurrentContext(), d).ToLocalChecked(); | |
| 760 } | |
| 761 | |
| 762 int FXJS_ToInt32(v8::Isolate* pIsolate, v8::Local<v8::Value> pValue) { | |
| 763 if (pValue.IsEmpty()) | |
| 764 return 0; | |
| 765 v8::Local<v8::Context> context = pIsolate->GetCurrentContext(); | |
| 766 return pValue->ToInt32(context).ToLocalChecked()->Value(); | |
| 767 } | |
| 768 | |
| 769 bool FXJS_ToBoolean(v8::Isolate* pIsolate, v8::Local<v8::Value> pValue) { | |
| 770 if (pValue.IsEmpty()) | |
| 771 return false; | |
| 772 v8::Local<v8::Context> context = pIsolate->GetCurrentContext(); | |
| 773 return pValue->ToBoolean(context).ToLocalChecked()->Value(); | |
| 774 } | |
| 775 | |
| 776 double FXJS_ToNumber(v8::Isolate* pIsolate, v8::Local<v8::Value> pValue) { | |
| 777 if (pValue.IsEmpty()) | |
| 778 return 0.0; | |
| 779 v8::Local<v8::Context> context = pIsolate->GetCurrentContext(); | |
| 780 return pValue->ToNumber(context).ToLocalChecked()->Value(); | |
| 781 } | |
| 782 | |
| 783 v8::Local<v8::Object> FXJS_ToObject(v8::Isolate* pIsolate, | |
| 784 v8::Local<v8::Value> pValue) { | |
| 785 if (pValue.IsEmpty()) | |
| 786 return v8::Local<v8::Object>(); | |
| 787 v8::Local<v8::Context> context = pIsolate->GetCurrentContext(); | |
| 788 return pValue->ToObject(context).ToLocalChecked(); | |
| 789 } | |
| 790 | |
| 791 CFX_WideString FXJS_ToString(v8::Isolate* pIsolate, | |
| 792 v8::Local<v8::Value> pValue) { | |
| 793 if (pValue.IsEmpty()) | |
| 794 return L""; | |
| 795 v8::Local<v8::Context> context = pIsolate->GetCurrentContext(); | |
| 796 v8::String::Utf8Value s(pValue->ToString(context).ToLocalChecked()); | |
| 797 return CFX_WideString::FromUTF8(*s, s.length()); | |
| 798 } | |
| 799 | |
| 800 v8::Local<v8::Array> FXJS_ToArray(v8::Isolate* pIsolate, | |
| 801 v8::Local<v8::Value> pValue) { | |
| 802 if (pValue.IsEmpty()) | |
| 803 return v8::Local<v8::Array>(); | |
| 804 v8::Local<v8::Context> context = pIsolate->GetCurrentContext(); | |
| 805 return v8::Local<v8::Array>::Cast(pValue->ToObject(context).ToLocalChecked()); | |
| 806 } | |
| 807 | |
| 808 void FXJS_ValueCopy(v8::Local<v8::Value>& pTo, v8::Local<v8::Value> pFrom) { | |
| 809 pTo = pFrom; | |
| 810 } | |
| 811 | |
| 812 | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 1799773002:
Move fpdfsdk/src up to fpdfsdk/. (Closed)
Base URL: https://pdfium.googlesource.com/pdfium.git@master