diff options
Diffstat (limited to 'fpdfsdk/src/jsapi/fxjs_v8.cpp')
-rw-r--r-- | fpdfsdk/src/jsapi/fxjs_v8.cpp | 158 |
1 files changed, 78 insertions, 80 deletions
diff --git a/fpdfsdk/src/jsapi/fxjs_v8.cpp b/fpdfsdk/src/jsapi/fxjs_v8.cpp index 69ea2cb48b..c5697c7084 100644 --- a/fpdfsdk/src/jsapi/fxjs_v8.cpp +++ b/fpdfsdk/src/jsapi/fxjs_v8.cpp @@ -17,22 +17,32 @@ const wchar_t kFXJSValueNameFxobj[] = L"fxobj"; const wchar_t kFXJSValueNameNull[] = L"null"; const wchar_t kFXJSValueNameUndefined[] = L"undefined"; -static unsigned int g_embedderDataSlot = 0u; +static unsigned int g_embedderDataSlot = 1u; class CFXJS_PrivateData { public: - CFXJS_PrivateData() : ObjDefID(-1), pPrivate(NULL) {} + CFXJS_PrivateData(int nObjDefID) : ObjDefID(nObjDefID), pPrivate(NULL) {} + int ObjDefID; void* pPrivate; }; -class CFXJS_ObjDefintion { +class CFXJS_ObjDefinition { public: - CFXJS_ObjDefintion(v8::Isolate* isolate, - const wchar_t* sObjName, - FXJSOBJTYPE eObjType, - FXJS_CONSTRUCTOR pConstructor, - FXJS_DESTRUCTOR pDestructor) + static int MaxID(v8::Isolate* pIsolate) { + return static_cast<int>( + FXJS_PerIsolateData::Get(pIsolate)->m_ObjectDefnArray.GetSize()); + } + static CFXJS_ObjDefinition* ForID(v8::Isolate* pIsolate, int id) { + // Note: GetAt() halts if out-of-range even in release builds. + return static_cast<CFXJS_ObjDefinition*>( + FXJS_PerIsolateData::Get(pIsolate)->m_ObjectDefnArray.GetAt(id)); + } + CFXJS_ObjDefinition(v8::Isolate* isolate, + const wchar_t* sObjName, + FXJSOBJTYPE eObjType, + FXJS_CONSTRUCTOR pConstructor, + FXJS_DESTRUCTOR pDestructor) : objName(sObjName), objType(eObjType), m_pConstructor(pConstructor), @@ -51,12 +61,11 @@ class CFXJS_ObjDefintion { m_bSetAsGlobalObject = TRUE; } } - ~CFXJS_ObjDefintion() { + ~CFXJS_ObjDefinition() { m_objTemplate.Reset(); m_StaticObj.Reset(); } - public: const wchar_t* objName; FXJSOBJTYPE objType; FXJS_CONSTRUCTOR m_pConstructor; @@ -79,9 +88,16 @@ void FXJS_ArrayBufferAllocator::Free(void* data, size_t length) { free(data); } -void FXJS_PrepareIsolate(v8::Isolate* pIsolate) { +// static +void FXJS_PerIsolateData::SetUp(v8::Isolate* pIsolate) { if (!pIsolate->GetData(g_embedderDataSlot)) - pIsolate->SetData(g_embedderDataSlot, new CFX_PtrArray()); + pIsolate->SetData(g_embedderDataSlot, new FXJS_PerIsolateData()); +} + +// static +FXJS_PerIsolateData* FXJS_PerIsolateData::Get(v8::Isolate* pIsolate) { + return static_cast<FXJS_PerIsolateData*>( + pIsolate->GetData(g_embedderDataSlot)); } int FXJS_DefineObj(v8::Isolate* pIsolate, @@ -92,12 +108,11 @@ int FXJS_DefineObj(v8::Isolate* pIsolate, v8::Isolate::Scope isolate_scope(pIsolate); v8::HandleScope handle_scope(pIsolate); - FXJS_PrepareIsolate(pIsolate); - CFX_PtrArray* pArray = (CFX_PtrArray*)pIsolate->GetData(g_embedderDataSlot); - CFXJS_ObjDefintion* pObjDef = new CFXJS_ObjDefintion( - pIsolate, sObjName, eObjType, pConstructor, pDestructor); - pArray->Add(pObjDef); - return pArray->GetSize() - 1; + FXJS_PerIsolateData::SetUp(pIsolate); + FXJS_PerIsolateData* pData = FXJS_PerIsolateData::Get(pIsolate); + pData->m_ObjectDefnArray.Add(new CFXJS_ObjDefinition( + pIsolate, sObjName, eObjType, pConstructor, pDestructor)); + return pData->m_ObjectDefnArray.GetSize() - 1; } void FXJS_DefineObjMethod(v8::Isolate* pIsolate, @@ -107,14 +122,12 @@ void FXJS_DefineObjMethod(v8::Isolate* pIsolate, v8::Isolate::Scope isolate_scope(pIsolate); v8::HandleScope handle_scope(pIsolate); - CFX_WideString ws = CFX_WideString(sMethodName); - CFX_ByteString bsMethodName = ws.UTF8Encode(); - CFX_PtrArray* pArray = (CFX_PtrArray*)pIsolate->GetData(g_embedderDataSlot); - - // Note: GetAt() halts if out-of-range even in release builds. - CFXJS_ObjDefintion* pObjDef = (CFXJS_ObjDefintion*)pArray->GetAt(nObjDefnID); + CFX_ByteString bsMethodName = CFX_WideString(sMethodName).UTF8Encode(); + CFXJS_ObjDefinition* pObjDef = + CFXJS_ObjDefinition::ForID(pIsolate, nObjDefnID); v8::Local<v8::ObjectTemplate> objTemp = v8::Local<v8::ObjectTemplate>::New(pIsolate, pObjDef->m_objTemplate); + objTemp->Set( v8::String::NewFromUtf8(pIsolate, bsMethodName.c_str(), v8::NewStringType::kNormal).ToLocalChecked(), @@ -130,12 +143,9 @@ void FXJS_DefineObjProperty(v8::Isolate* pIsolate, v8::Isolate::Scope isolate_scope(pIsolate); v8::HandleScope handle_scope(pIsolate); - CFX_WideString ws = CFX_WideString(sPropName); - CFX_ByteString bsPropertyName = ws.UTF8Encode(); - CFX_PtrArray* pArray = (CFX_PtrArray*)pIsolate->GetData(g_embedderDataSlot); - - // Note: GetAt() halts if out-of-range even in release builds. - CFXJS_ObjDefintion* pObjDef = (CFXJS_ObjDefintion*)pArray->GetAt(nObjDefnID); + CFX_ByteString bsPropertyName = CFX_WideString(sPropName).UTF8Encode(); + CFXJS_ObjDefinition* pObjDef = + CFXJS_ObjDefinition::ForID(pIsolate, nObjDefnID); v8::Local<v8::ObjectTemplate> objTemp = v8::Local<v8::ObjectTemplate>::New(pIsolate, pObjDef->m_objTemplate); objTemp->SetAccessor( @@ -153,10 +163,9 @@ void FXJS_DefineObjAllProperties(v8::Isolate* pIsolate, v8::NamedPropertyDeleterCallback pPropDel) { v8::Isolate::Scope isolate_scope(pIsolate); v8::HandleScope handle_scope(pIsolate); - CFX_PtrArray* pArray = (CFX_PtrArray*)pIsolate->GetData(g_embedderDataSlot); - // Note: GetAt() halts if out-of-range even in release builds. - CFXJS_ObjDefintion* pObjDef = (CFXJS_ObjDefintion*)pArray->GetAt(nObjDefnID); + CFXJS_ObjDefinition* pObjDef = + CFXJS_ObjDefinition::ForID(pIsolate, nObjDefnID); v8::Local<v8::ObjectTemplate> objTemp = v8::Local<v8::ObjectTemplate>::New(pIsolate, pObjDef->m_objTemplate); objTemp->SetNamedPropertyHandler(pPropGet, pPropPut, pPropQurey, pPropDel); @@ -170,12 +179,9 @@ void FXJS_DefineObjConst(v8::Isolate* pIsolate, v8::Isolate::Scope isolate_scope(pIsolate); v8::HandleScope handle_scope(pIsolate); - CFX_WideString ws = CFX_WideString(sConstName); - CFX_ByteString bsConstName = ws.UTF8Encode(); - CFX_PtrArray* pArray = (CFX_PtrArray*)pIsolate->GetData(g_embedderDataSlot); - - // Note: GetAt() halts if out-of-range even in release builds. - CFXJS_ObjDefintion* pObjDef = (CFXJS_ObjDefintion*)pArray->GetAt(nObjDefnID); + CFX_ByteString bsConstName = CFX_WideString(sConstName).UTF8Encode(); + CFXJS_ObjDefinition* pObjDef = + CFXJS_ObjDefinition::ForID(pIsolate, nObjDefnID); v8::Local<v8::ObjectTemplate> objTemp = v8::Local<v8::ObjectTemplate>::New(pIsolate, pObjDef->m_objTemplate); objTemp->Set(pIsolate, bsConstName.c_str(), pDefault); @@ -187,10 +193,9 @@ static v8::Global<v8::ObjectTemplate>& _getGlobalObjectTemplate( v8::Isolate::Scope isolate_scope(pIsolate); v8::HandleScope handle_scope(pIsolate); - CFX_PtrArray* pArray = (CFX_PtrArray*)pIsolate->GetData(g_embedderDataSlot); - ASSERT(pArray != NULL); - for (int i = 0; i < pArray->GetSize(); i++) { - CFXJS_ObjDefintion* pObjDef = (CFXJS_ObjDefintion*)pArray->GetAt(i); + int maxID = CFXJS_ObjDefinition::MaxID(pIsolate); + for (int i = 0; i < maxID; ++i) { + CFXJS_ObjDefinition* pObjDef = CFXJS_ObjDefinition::ForID(pIsolate, i); if (pObjDef->m_bSetAsGlobalObject) return pObjDef->m_objTemplate; } @@ -204,9 +209,7 @@ void FXJS_DefineGlobalMethod(v8::Isolate* pIsolate, v8::Isolate::Scope isolate_scope(pIsolate); v8::HandleScope handle_scope(pIsolate); - CFX_WideString ws = CFX_WideString(sMethodName); - CFX_ByteString bsMethodName = ws.UTF8Encode(); - + CFX_ByteString bsMethodName = CFX_WideString(sMethodName).UTF8Encode(); v8::Local<v8::FunctionTemplate> funTempl = v8::FunctionTemplate::New(pIsolate, pMethodCall); v8::Local<v8::ObjectTemplate> objTemp; @@ -264,15 +267,13 @@ void FXJS_InitializeRuntime(v8::Isolate* pIsolate, v8::Local<v8::ObjectTemplate>::New(pIsolate, globalObjTemp)); v8::Context::Scope context_scope(v8Context); - v8::Local<v8::External> ptr = v8::External::New(pIsolate, pFXRuntime); - v8Context->SetEmbedderData(1, ptr); + FXJS_PerIsolateData::SetUp(pIsolate); + FXJS_PerIsolateData* pData = FXJS_PerIsolateData::Get(pIsolate); + pData->m_pFXJSRuntime = pFXRuntime; - CFX_PtrArray* pArray = (CFX_PtrArray*)pIsolate->GetData(g_embedderDataSlot); - if (!pArray) - return; - - for (int i = 0; i < pArray->GetSize(); i++) { - CFXJS_ObjDefintion* pObjDef = (CFXJS_ObjDefintion*)pArray->GetAt(i); + int maxID = CFXJS_ObjDefinition::MaxID(pIsolate); + for (int i = 0; i < maxID; ++i) { + CFXJS_ObjDefinition* pObjDef = CFXJS_ObjDefinition::ForID(pIsolate, i); CFX_WideString ws = CFX_WideString(pObjDef->objName); CFX_ByteString bs = ws.UTF8Encode(); v8::Local<v8::String> objName = @@ -283,14 +284,11 @@ void FXJS_InitializeRuntime(v8::Isolate* pIsolate, if (pObjDef->objType == FXJS_DYNAMIC) { // Document is set as global object, need to construct it first. if (ws.Equal(L"Document")) { - CFXJS_PrivateData* pPrivateData = new CFXJS_PrivateData; - pPrivateData->ObjDefID = i; - v8Context->Global() ->GetPrototype() ->ToObject(v8Context) .ToLocalChecked() - ->SetAlignedPointerInInternalField(0, pPrivateData); + ->SetAlignedPointerInInternalField(0, new CFXJS_PrivateData(i)); if (pObjDef->m_pConstructor) pObjDef->m_pConstructor(context, v8Context->Global() @@ -319,12 +317,13 @@ void FXJS_ReleaseRuntime(v8::Isolate* pIsolate, v8::Local<v8::Context>::New(pIsolate, v8PersistentContext); v8::Context::Scope context_scope(context); - CFX_PtrArray* pArray = (CFX_PtrArray*)pIsolate->GetData(g_embedderDataSlot); - if (!pArray) + FXJS_PerIsolateData* pData = FXJS_PerIsolateData::Get(pIsolate); + if (!pData) return; - for (int i = 0; i < pArray->GetSize(); i++) { - CFXJS_ObjDefintion* pObjDef = (CFXJS_ObjDefintion*)pArray->GetAt(i); + int maxID = CFXJS_ObjDefinition::MaxID(pIsolate); + for (int i = 0; i < maxID; ++i) { + CFXJS_ObjDefinition* pObjDef = CFXJS_ObjDefinition::ForID(pIsolate, i); if (!pObjDef->m_StaticObj.IsEmpty()) { v8::Local<v8::Object> pObj = v8::Local<v8::Object>::New(pIsolate, pObjDef->m_StaticObj); @@ -334,8 +333,9 @@ void FXJS_ReleaseRuntime(v8::Isolate* pIsolate, } delete pObjDef; } - delete pArray; - pIsolate->SetData(g_embedderDataSlot, NULL); + + pIsolate->SetData(g_embedderDataSlot, nullptr); + delete pData; } void FXJS_Initialize(unsigned int embedderDataSlot) { @@ -382,7 +382,7 @@ v8::Local<v8::Object> FXJS_NewFxDynamicObj(v8::Isolate* pIsolate, int nObjDefnID) { v8::Isolate::Scope isolate_scope(pIsolate); v8::Local<v8::Context> context = pIsolate->GetCurrentContext(); - if (-1 == nObjDefnID) { + if (nObjDefnID == -1) { v8::Local<v8::ObjectTemplate> objTempl = v8::ObjectTemplate::New(pIsolate); v8::Local<v8::Object> obj; if (objTempl->NewInstance(context).ToLocal(&obj)) @@ -390,13 +390,15 @@ v8::Local<v8::Object> FXJS_NewFxDynamicObj(v8::Isolate* pIsolate, return v8::Local<v8::Object>(); } - CFX_PtrArray* pArray = (CFX_PtrArray*)pIsolate->GetData(g_embedderDataSlot); - if (!pArray) + FXJS_PerIsolateData* pData = FXJS_PerIsolateData::Get(pIsolate); + if (!pData) return v8::Local<v8::Object>(); - if (nObjDefnID < 0 || nObjDefnID >= pArray->GetSize()) + if (nObjDefnID < 0 || nObjDefnID >= CFXJS_ObjDefinition::MaxID(pIsolate)) return v8::Local<v8::Object>(); - CFXJS_ObjDefintion* pObjDef = (CFXJS_ObjDefintion*)pArray->GetAt(nObjDefnID); + + CFXJS_ObjDefinition* pObjDef = + CFXJS_ObjDefinition::ForID(pIsolate, nObjDefnID); v8::Local<v8::ObjectTemplate> objTemp = v8::Local<v8::ObjectTemplate>::New(pIsolate, pObjDef->m_objTemplate); @@ -404,10 +406,7 @@ v8::Local<v8::Object> FXJS_NewFxDynamicObj(v8::Isolate* pIsolate, if (!objTemp->NewInstance(context).ToLocal(&obj)) return v8::Local<v8::Object>(); - CFXJS_PrivateData* pPrivateData = new CFXJS_PrivateData; - pPrivateData->ObjDefID = nObjDefnID; - - obj->SetAlignedPointerInInternalField(0, pPrivateData); + obj->SetAlignedPointerInInternalField(0, new CFXJS_PrivateData(nObjDefnID)); if (pObjDef->m_pConstructor) pObjDef->m_pConstructor( pJSContext, obj, @@ -417,12 +416,11 @@ v8::Local<v8::Object> FXJS_NewFxDynamicObj(v8::Isolate* pIsolate, } v8::Local<v8::Object> FXJS_GetThisObj(v8::Isolate* pIsolate) { - // Return the global object. v8::Isolate::Scope isolate_scope(pIsolate); - CFX_PtrArray* pArray = (CFX_PtrArray*)pIsolate->GetData(g_embedderDataSlot); - if (!pArray) + if (!FXJS_PerIsolateData::Get(pIsolate)) return v8::Local<v8::Object>(); + // Return the global object. v8::Local<v8::Context> context = pIsolate->GetCurrentContext(); return context->Global()->GetPrototype()->ToObject(context).ToLocalChecked(); } @@ -448,12 +446,12 @@ v8::Isolate* FXJS_GetRuntime(v8::Local<v8::Object> pObj) { int FXJS_GetObjDefnID(v8::Isolate* pIsolate, const wchar_t* pObjName) { v8::Isolate::Scope isolate_scope(pIsolate); - CFX_PtrArray* pArray = (CFX_PtrArray*)pIsolate->GetData(g_embedderDataSlot); - if (!pArray) + if (!FXJS_PerIsolateData::Get(pIsolate)) return -1; - for (int i = 0; i < pArray->GetSize(); i++) { - CFXJS_ObjDefintion* pObjDef = (CFXJS_ObjDefintion*)pArray->GetAt(i); + int maxID = CFXJS_ObjDefinition::MaxID(pIsolate); + for (int i = 0; i < maxID; ++i) { + CFXJS_ObjDefinition* pObjDef = CFXJS_ObjDefinition::ForID(pIsolate, i); if (FXSYS_wcscmp(pObjDef->objName, pObjName) == 0) return i; } |