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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 "xfa/src/fxjse/class.h" | |
| 8 | |
| 9 #include "xfa/src/fxjse/context.h" | |
| 10 #include "xfa/src/fxjse/scope_inline.h" | |
| 11 #include "xfa/src/fxjse/util_inline.h" | |
| 12 #include "xfa/src/fxjse/value.h" | |
| 13 | |
| 14 static void FXJSE_V8ConstructorCallback_Wrapper( | |
| 15 const v8::FunctionCallbackInfo<v8::Value>& info); | |
| 16 static void FXJSE_V8FunctionCallback_Wrapper( | |
| 17 const v8::FunctionCallbackInfo<v8::Value>& info); | |
| 18 static void FXJSE_V8GetterCallback_Wrapper( | |
| 19 v8::Local<v8::String> property, | |
| 20 const v8::PropertyCallbackInfo<v8::Value>& info); | |
| 21 static void FXJSE_V8SetterCallback_Wrapper( | |
| 22 v8::Local<v8::String> property, | |
| 23 v8::Local<v8::Value> value, | |
| 24 const v8::PropertyCallbackInfo<void>& info); | |
| 25 | |
| 26 void FXJSE_DefineFunctions(FXJSE_HCONTEXT hContext, | |
| 27 const FXJSE_FUNCTION* lpFunctions, | |
| 28 int nNum) { | |
| 29 CFXJSE_Context* lpContext = reinterpret_cast<CFXJSE_Context*>(hContext); | |
| 30 ASSERT(lpContext); | |
| 31 CFXJSE_ScopeUtil_IsolateHandleContext scope(lpContext); | |
| 32 v8::Isolate* pIsolate = lpContext->GetRuntime(); | |
| 33 v8::Local<v8::Object> hGlobalObject = | |
| 34 FXJSE_GetGlobalObjectFromContext(scope.GetLocalContext()); | |
| 35 for (int32_t i = 0; i < nNum; i++) { | |
| 36 v8::Maybe<bool> maybe_success = hGlobalObject->DefineOwnProperty( | |
| 37 scope.GetLocalContext(), | |
| 38 v8::String::NewFromUtf8(pIsolate, lpFunctions[i].name), | |
| 39 v8::Function::New( | |
| 40 pIsolate, FXJSE_V8FunctionCallback_Wrapper, | |
| 41 v8::External::New(pIsolate, | |
| 42 const_cast<FXJSE_FUNCTION*>(lpFunctions + i))), | |
| 43 static_cast<v8::PropertyAttribute>(v8::ReadOnly | v8::DontDelete)); | |
| 44 if (!maybe_success.FromMaybe(false)) | |
| 45 return; | |
| 46 } | |
| 47 } | |
| 48 | |
| 49 FXJSE_HCLASS FXJSE_DefineClass(FXJSE_HCONTEXT hContext, | |
| 50 const FXJSE_CLASS* lpClass) { | |
| 51 CFXJSE_Context* lpContext = reinterpret_cast<CFXJSE_Context*>(hContext); | |
| 52 ASSERT(lpContext); | |
| 53 return reinterpret_cast<FXJSE_HCLASS>( | |
| 54 CFXJSE_Class::Create(lpContext, lpClass, FALSE)); | |
| 55 } | |
| 56 | |
| 57 FXJSE_HCLASS FXJSE_GetClass(FXJSE_HCONTEXT hContext, | |
| 58 const CFX_ByteStringC& szName) { | |
| 59 return reinterpret_cast<FXJSE_HCLASS>(CFXJSE_Class::GetClassFromContext( | |
| 60 reinterpret_cast<CFXJSE_Context*>(hContext), szName)); | |
| 61 } | |
| 62 | |
| 63 static void FXJSE_V8FunctionCallback_Wrapper( | |
| 64 const v8::FunctionCallbackInfo<v8::Value>& info) { | |
| 65 const FXJSE_FUNCTION* lpFunctionInfo = | |
| 66 static_cast<FXJSE_FUNCTION*>(info.Data().As<v8::External>()->Value()); | |
| 67 if (!lpFunctionInfo) { | |
| 68 return; | |
| 69 } | |
| 70 CFX_ByteStringC szFunctionName(lpFunctionInfo->name); | |
| 71 CFXJSE_Value* lpThisValue = CFXJSE_Value::Create(info.GetIsolate()); | |
| 72 lpThisValue->ForceSetValue(info.This()); | |
| 73 CFXJSE_Value* lpRetValue = CFXJSE_Value::Create(info.GetIsolate()); | |
| 74 CFXJSE_ArgumentsImpl impl = {&info, lpRetValue}; | |
| 75 lpFunctionInfo->callbackProc(reinterpret_cast<FXJSE_HOBJECT>(lpThisValue), | |
| 76 szFunctionName, | |
| 77 reinterpret_cast<CFXJSE_Arguments&>(impl)); | |
| 78 if (!lpRetValue->DirectGetValue().IsEmpty()) { | |
| 79 info.GetReturnValue().Set(lpRetValue->DirectGetValue()); | |
| 80 } | |
| 81 delete lpRetValue; | |
| 82 lpRetValue = NULL; | |
| 83 delete lpThisValue; | |
| 84 lpThisValue = NULL; | |
| 85 } | |
| 86 | |
| 87 static void FXJSE_V8ClassGlobalConstructorCallback_Wrapper( | |
| 88 const v8::FunctionCallbackInfo<v8::Value>& info) { | |
| 89 const FXJSE_CLASS* lpClassDefinition = | |
| 90 static_cast<FXJSE_CLASS*>(info.Data().As<v8::External>()->Value()); | |
| 91 if (!lpClassDefinition) { | |
| 92 return; | |
| 93 } | |
| 94 CFX_ByteStringC szFunctionName(lpClassDefinition->name); | |
| 95 CFXJSE_Value* lpThisValue = CFXJSE_Value::Create(info.GetIsolate()); | |
| 96 lpThisValue->ForceSetValue(info.This()); | |
| 97 CFXJSE_Value* lpRetValue = CFXJSE_Value::Create(info.GetIsolate()); | |
| 98 CFXJSE_ArgumentsImpl impl = {&info, lpRetValue}; | |
| 99 lpClassDefinition->constructor(reinterpret_cast<FXJSE_HOBJECT>(lpThisValue), | |
| 100 szFunctionName, | |
| 101 reinterpret_cast<CFXJSE_Arguments&>(impl)); | |
| 102 if (!lpRetValue->DirectGetValue().IsEmpty()) { | |
| 103 info.GetReturnValue().Set(lpRetValue->DirectGetValue()); | |
| 104 } | |
| 105 delete lpRetValue; | |
| 106 lpRetValue = NULL; | |
| 107 delete lpThisValue; | |
| 108 lpThisValue = NULL; | |
| 109 } | |
| 110 | |
| 111 static void FXJSE_V8GetterCallback_Wrapper( | |
| 112 v8::Local<v8::String> property, | |
| 113 const v8::PropertyCallbackInfo<v8::Value>& info) { | |
| 114 const FXJSE_PROPERTY* lpPropertyInfo = | |
| 115 static_cast<FXJSE_PROPERTY*>(info.Data().As<v8::External>()->Value()); | |
| 116 if (!lpPropertyInfo) { | |
| 117 return; | |
| 118 } | |
| 119 CFX_ByteStringC szPropertyName(lpPropertyInfo->name); | |
| 120 CFXJSE_Value* lpThisValue = CFXJSE_Value::Create(info.GetIsolate()); | |
| 121 CFXJSE_Value* lpPropValue = CFXJSE_Value::Create(info.GetIsolate()); | |
| 122 lpThisValue->ForceSetValue(info.This()); | |
| 123 lpPropertyInfo->getProc(reinterpret_cast<FXJSE_HOBJECT>(lpThisValue), | |
| 124 szPropertyName, | |
| 125 reinterpret_cast<FXJSE_HVALUE>(lpPropValue)); | |
| 126 info.GetReturnValue().Set(lpPropValue->DirectGetValue()); | |
| 127 delete lpThisValue; | |
| 128 lpThisValue = NULL; | |
| 129 delete lpPropValue; | |
| 130 lpPropValue = NULL; | |
| 131 } | |
| 132 | |
| 133 static void FXJSE_V8SetterCallback_Wrapper( | |
| 134 v8::Local<v8::String> property, | |
| 135 v8::Local<v8::Value> value, | |
| 136 const v8::PropertyCallbackInfo<void>& info) { | |
| 137 const FXJSE_PROPERTY* lpPropertyInfo = | |
| 138 static_cast<FXJSE_PROPERTY*>(info.Data().As<v8::External>()->Value()); | |
| 139 if (!lpPropertyInfo) { | |
| 140 return; | |
| 141 } | |
| 142 CFX_ByteStringC szPropertyName(lpPropertyInfo->name); | |
| 143 CFXJSE_Value* lpThisValue = CFXJSE_Value::Create(info.GetIsolate()); | |
| 144 CFXJSE_Value* lpPropValue = CFXJSE_Value::Create(info.GetIsolate()); | |
| 145 lpThisValue->ForceSetValue(info.This()); | |
| 146 lpPropValue->ForceSetValue(value); | |
| 147 lpPropertyInfo->setProc(reinterpret_cast<FXJSE_HOBJECT>(lpThisValue), | |
| 148 szPropertyName, | |
| 149 reinterpret_cast<FXJSE_HVALUE>(lpPropValue)); | |
| 150 delete lpThisValue; | |
| 151 lpThisValue = NULL; | |
| 152 delete lpPropValue; | |
| 153 lpPropValue = NULL; | |
| 154 } | |
| 155 | |
| 156 static void FXJSE_V8ConstructorCallback_Wrapper( | |
| 157 const v8::FunctionCallbackInfo<v8::Value>& info) { | |
| 158 const FXJSE_CLASS* lpClassDefinition = | |
| 159 static_cast<FXJSE_CLASS*>(info.Data().As<v8::External>()->Value()); | |
| 160 if (!lpClassDefinition) { | |
| 161 return; | |
| 162 } | |
| 163 FXSYS_assert(info.This()->InternalFieldCount()); | |
| 164 info.This()->SetAlignedPointerInInternalField(0, NULL); | |
| 165 } | |
| 166 | |
| 167 FXJSE_HRUNTIME CFXJSE_Arguments::GetRuntime() const { | |
| 168 const CFXJSE_ArgumentsImpl* lpArguments = | |
| 169 reinterpret_cast<const CFXJSE_ArgumentsImpl* const>(this); | |
| 170 return reinterpret_cast<FXJSE_HRUNTIME>( | |
| 171 lpArguments->m_pRetValue->GetIsolate()); | |
| 172 } | |
| 173 | |
| 174 int32_t CFXJSE_Arguments::GetLength() const { | |
| 175 const CFXJSE_ArgumentsImpl* lpArguments = | |
| 176 reinterpret_cast<const CFXJSE_ArgumentsImpl* const>(this); | |
| 177 return lpArguments->m_pInfo->Length(); | |
| 178 } | |
| 179 | |
| 180 FXJSE_HVALUE CFXJSE_Arguments::GetValue(int32_t index) const { | |
| 181 const CFXJSE_ArgumentsImpl* lpArguments = | |
| 182 reinterpret_cast<const CFXJSE_ArgumentsImpl* const>(this); | |
| 183 CFXJSE_Value* lpArgValue = CFXJSE_Value::Create(v8::Isolate::GetCurrent()); | |
| 184 ASSERT(lpArgValue); | |
| 185 lpArgValue->ForceSetValue((*lpArguments->m_pInfo)[index]); | |
| 186 return reinterpret_cast<FXJSE_HVALUE>(lpArgValue); | |
| 187 } | |
| 188 | |
| 189 FX_BOOL CFXJSE_Arguments::GetBoolean(int32_t index) const { | |
| 190 const CFXJSE_ArgumentsImpl* lpArguments = | |
| 191 reinterpret_cast<const CFXJSE_ArgumentsImpl* const>(this); | |
| 192 return (*lpArguments->m_pInfo)[index]->BooleanValue(); | |
| 193 } | |
| 194 | |
| 195 int32_t CFXJSE_Arguments::GetInt32(int32_t index) const { | |
| 196 const CFXJSE_ArgumentsImpl* lpArguments = | |
| 197 reinterpret_cast<const CFXJSE_ArgumentsImpl* const>(this); | |
| 198 return static_cast<int32_t>((*lpArguments->m_pInfo)[index]->NumberValue()); | |
| 199 } | |
| 200 | |
| 201 FX_FLOAT CFXJSE_Arguments::GetFloat(int32_t index) const { | |
| 202 const CFXJSE_ArgumentsImpl* lpArguments = | |
| 203 reinterpret_cast<const CFXJSE_ArgumentsImpl* const>(this); | |
| 204 return static_cast<FX_FLOAT>((*lpArguments->m_pInfo)[index]->NumberValue()); | |
| 205 } | |
| 206 | |
| 207 CFX_ByteString CFXJSE_Arguments::GetUTF8String(int32_t index) const { | |
| 208 const CFXJSE_ArgumentsImpl* lpArguments = | |
| 209 reinterpret_cast<const CFXJSE_ArgumentsImpl* const>(this); | |
| 210 v8::Local<v8::String> hString = (*lpArguments->m_pInfo)[index]->ToString(); | |
| 211 v8::String::Utf8Value szStringVal(hString); | |
| 212 return CFX_ByteString(*szStringVal); | |
| 213 } | |
| 214 | |
| 215 void* CFXJSE_Arguments::GetObject(int32_t index, FXJSE_HCLASS hClass) const { | |
| 216 const CFXJSE_ArgumentsImpl* lpArguments = | |
| 217 reinterpret_cast<const CFXJSE_ArgumentsImpl* const>(this); | |
| 218 v8::Local<v8::Value> hValue = (*lpArguments->m_pInfo)[index]; | |
| 219 ASSERT(!hValue.IsEmpty()); | |
| 220 if (!hValue->IsObject()) { | |
| 221 return NULL; | |
| 222 } | |
| 223 CFXJSE_Class* lpClass = reinterpret_cast<CFXJSE_Class*>(hClass); | |
| 224 return FXJSE_RetrieveObjectBinding(hValue.As<v8::Object>(), lpClass); | |
| 225 } | |
| 226 | |
| 227 FXJSE_HVALUE CFXJSE_Arguments::GetReturnValue() { | |
| 228 const CFXJSE_ArgumentsImpl* lpArguments = | |
| 229 reinterpret_cast<const CFXJSE_ArgumentsImpl* const>(this); | |
| 230 return reinterpret_cast<FXJSE_HVALUE>(lpArguments->m_pRetValue); | |
| 231 } | |
| 232 static void FXJSE_Context_GlobalObjToString( | |
| 233 const v8::FunctionCallbackInfo<v8::Value>& info) { | |
| 234 const FXJSE_CLASS* lpClass = | |
| 235 static_cast<FXJSE_CLASS*>(info.Data().As<v8::External>()->Value()); | |
| 236 if (!lpClass) { | |
| 237 return; | |
| 238 } | |
| 239 if (info.This() == info.Holder() && lpClass->name) { | |
| 240 CFX_ByteString szStringVal; | |
| 241 szStringVal.Format("[object %s]", lpClass->name); | |
| 242 info.GetReturnValue().Set(v8::String::NewFromUtf8( | |
| 243 info.GetIsolate(), (const FX_CHAR*)szStringVal, | |
| 244 v8::String::kNormalString, szStringVal.GetLength())); | |
| 245 } else { | |
| 246 v8::Local<v8::String> local_str = | |
| 247 info.This() | |
| 248 ->ObjectProtoToString(info.GetIsolate()->GetCurrentContext()) | |
| 249 .FromMaybe(v8::Local<v8::String>()); | |
| 250 info.GetReturnValue().Set(local_str); | |
| 251 } | |
| 252 } | |
| 253 | |
| 254 CFXJSE_Class* CFXJSE_Class::Create(CFXJSE_Context* lpContext, | |
| 255 const FXJSE_CLASS* lpClassDefinition, | |
| 256 FX_BOOL bIsJSGlobal) { | |
| 257 if (!lpContext || !lpClassDefinition) { | |
| 258 return NULL; | |
| 259 } | |
| 260 CFXJSE_Class* pClass = | |
| 261 GetClassFromContext(lpContext, lpClassDefinition->name); | |
| 262 if (pClass) { | |
| 263 return pClass; | |
| 264 } | |
| 265 v8::Isolate* pIsolate = lpContext->m_pIsolate; | |
| 266 pClass = new CFXJSE_Class(lpContext); | |
| 267 pClass->m_szClassName = lpClassDefinition->name; | |
| 268 pClass->m_lpClassDefinition = lpClassDefinition; | |
| 269 CFXJSE_ScopeUtil_IsolateHandleRootContext scope(pIsolate); | |
| 270 v8::Local<v8::FunctionTemplate> hFunctionTemplate = v8::FunctionTemplate::New( | |
| 271 pIsolate, bIsJSGlobal ? 0 : FXJSE_V8ConstructorCallback_Wrapper, | |
| 272 v8::External::New(pIsolate, const_cast<FXJSE_CLASS*>(lpClassDefinition))); | |
| 273 hFunctionTemplate->SetClassName( | |
| 274 v8::String::NewFromUtf8(pIsolate, lpClassDefinition->name)); | |
| 275 hFunctionTemplate->InstanceTemplate()->SetInternalFieldCount(1); | |
| 276 v8::Local<v8::ObjectTemplate> hObjectTemplate = | |
| 277 hFunctionTemplate->InstanceTemplate(); | |
| 278 SetUpNamedPropHandler(pIsolate, hObjectTemplate, lpClassDefinition); | |
| 279 | |
| 280 if (lpClassDefinition->propNum) { | |
| 281 for (int32_t i = 0; i < lpClassDefinition->propNum; i++) { | |
| 282 hObjectTemplate->SetNativeDataProperty( | |
| 283 v8::String::NewFromUtf8(pIsolate, | |
| 284 lpClassDefinition->properties[i].name), | |
| 285 lpClassDefinition->properties[i].getProc | |
| 286 ? FXJSE_V8GetterCallback_Wrapper | |
| 287 : NULL, | |
| 288 lpClassDefinition->properties[i].setProc | |
| 289 ? FXJSE_V8SetterCallback_Wrapper | |
| 290 : NULL, | |
| 291 v8::External::New(pIsolate, const_cast<FXJSE_PROPERTY*>( | |
| 292 lpClassDefinition->properties + i)), | |
| 293 static_cast<v8::PropertyAttribute>(v8::DontDelete)); | |
| 294 } | |
| 295 } | |
| 296 if (lpClassDefinition->methNum) { | |
| 297 for (int32_t i = 0; i < lpClassDefinition->methNum; i++) { | |
| 298 hObjectTemplate->Set( | |
| 299 v8::String::NewFromUtf8(pIsolate, lpClassDefinition->methods[i].name), | |
| 300 v8::FunctionTemplate::New( | |
| 301 pIsolate, FXJSE_V8FunctionCallback_Wrapper, | |
| 302 v8::External::New(pIsolate, const_cast<FXJSE_FUNCTION*>( | |
| 303 lpClassDefinition->methods + i))), | |
| 304 static_cast<v8::PropertyAttribute>(v8::ReadOnly | v8::DontDelete)); | |
| 305 } | |
| 306 } | |
| 307 if (lpClassDefinition->constructor) { | |
| 308 if (bIsJSGlobal) { | |
| 309 hObjectTemplate->Set( | |
| 310 v8::String::NewFromUtf8(pIsolate, lpClassDefinition->name), | |
| 311 v8::FunctionTemplate::New( | |
| 312 pIsolate, FXJSE_V8ClassGlobalConstructorCallback_Wrapper, | |
| 313 v8::External::New(pIsolate, | |
| 314 const_cast<FXJSE_CLASS*>(lpClassDefinition))), | |
| 315 static_cast<v8::PropertyAttribute>(v8::ReadOnly | v8::DontDelete)); | |
| 316 } else { | |
| 317 v8::Local<v8::Context> hLocalContext = | |
| 318 v8::Local<v8::Context>::New(pIsolate, lpContext->m_hContext); | |
| 319 FXJSE_GetGlobalObjectFromContext(hLocalContext) | |
| 320 ->Set(v8::String::NewFromUtf8(pIsolate, lpClassDefinition->name), | |
| 321 v8::Function::New( | |
| 322 pIsolate, FXJSE_V8ClassGlobalConstructorCallback_Wrapper, | |
| 323 v8::External::New(pIsolate, const_cast<FXJSE_CLASS*>( | |
| 324 lpClassDefinition)))); | |
| 325 } | |
| 326 } | |
| 327 if (bIsJSGlobal) { | |
| 328 hObjectTemplate->Set( | |
| 329 v8::String::NewFromUtf8(pIsolate, "toString"), | |
| 330 v8::FunctionTemplate::New( | |
| 331 pIsolate, FXJSE_Context_GlobalObjToString, | |
| 332 v8::External::New(pIsolate, | |
| 333 const_cast<FXJSE_CLASS*>(lpClassDefinition)))); | |
| 334 } | |
| 335 pClass->m_hTemplate.Reset(lpContext->m_pIsolate, hFunctionTemplate); | |
| 336 lpContext->m_rgClasses.Add(pClass); | |
| 337 return pClass; | |
| 338 } | |
| 339 CFXJSE_Class* CFXJSE_Class::GetClassFromContext(CFXJSE_Context* pContext, | |
| 340 const CFX_ByteStringC& szName) { | |
| 341 for (int count = pContext->m_rgClasses.GetSize(), i = 0; i < count; i++) { | |
| 342 CFXJSE_Class* pClass = pContext->m_rgClasses[i]; | |
| 343 if (pClass->m_szClassName == szName) { | |
| 344 return pClass; | |
| 345 } | |
| 346 } | |
| 347 return NULL; | |
| 348 } | |
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Chromium Code Reviews
Issue 1803723002:
Move xfa/src up to xfa/. (Closed)
Base URL: https://pdfium.googlesource.com/pdfium.git@master