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-rw-r--r--fpdfsdk/jsapi/fxjs_v8.cpp823
-rw-r--r--fpdfsdk/jsapi/fxjs_v8_embeddertest.cpp31
2 files changed, 854 insertions, 0 deletions
diff --git a/fpdfsdk/jsapi/fxjs_v8.cpp b/fpdfsdk/jsapi/fxjs_v8.cpp
new file mode 100644
index 0000000000..156f1c9a3c
--- /dev/null
+++ b/fpdfsdk/jsapi/fxjs_v8.cpp
@@ -0,0 +1,823 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "fpdfsdk/include/jsapi/fxjs_v8.h"
+
+#include <vector>
+
+#include "core/include/fxcrt/fx_basic.h"
+
+const wchar_t kFXJSValueNameString[] = L"string";
+const wchar_t kFXJSValueNameNumber[] = L"number";
+const wchar_t kFXJSValueNameBoolean[] = L"boolean";
+const wchar_t kFXJSValueNameDate[] = L"date";
+const wchar_t kFXJSValueNameObject[] = L"object";
+const wchar_t kFXJSValueNameFxobj[] = L"fxobj";
+const wchar_t kFXJSValueNameNull[] = L"null";
+const wchar_t kFXJSValueNameUndefined[] = L"undefined";
+
+// Keep this consistent with the values defined in gin/public/context_holder.h
+// (without actually requiring a dependency on gin itself for the standalone
+// embedders of PDFIum). The value we want to use is:
+// kPerContextDataStartIndex + kEmbedderPDFium, which is 3.
+static const unsigned int kPerContextDataIndex = 3u;
+static unsigned int g_embedderDataSlot = 1u;
+static v8::Isolate* g_isolate = nullptr;
+static size_t g_isolate_ref_count = 0;
+static FXJS_ArrayBufferAllocator* g_arrayBufferAllocator = nullptr;
+static v8::Global<v8::ObjectTemplate>* g_DefaultGlobalObjectTemplate = nullptr;
+
+class CFXJS_PerObjectData {
+ public:
+ explicit CFXJS_PerObjectData(int nObjDefID)
+ : m_ObjDefID(nObjDefID), m_pPrivate(nullptr) {}
+
+ const int m_ObjDefID;
+ void* m_pPrivate;
+};
+
+class CFXJS_ObjDefinition {
+ public:
+ static int MaxID(v8::Isolate* pIsolate) {
+ return FXJS_PerIsolateData::Get(pIsolate)->m_ObjectDefnArray.size();
+ }
+
+ static CFXJS_ObjDefinition* ForID(v8::Isolate* pIsolate, int id) {
+ // Note: GetAt() halts if out-of-range even in release builds.
+ return FXJS_PerIsolateData::Get(pIsolate)->m_ObjectDefnArray[id];
+ }
+
+ CFXJS_ObjDefinition(v8::Isolate* isolate,
+ const wchar_t* sObjName,
+ FXJSOBJTYPE eObjType,
+ FXJS_CONSTRUCTOR pConstructor,
+ FXJS_DESTRUCTOR pDestructor)
+ : m_ObjName(sObjName),
+ m_ObjType(eObjType),
+ m_pConstructor(pConstructor),
+ m_pDestructor(pDestructor),
+ m_pIsolate(isolate) {
+ v8::Isolate::Scope isolate_scope(isolate);
+ v8::HandleScope handle_scope(isolate);
+
+ v8::Local<v8::FunctionTemplate> fun = v8::FunctionTemplate::New(isolate);
+ fun->InstanceTemplate()->SetInternalFieldCount(2);
+ m_FunctionTemplate.Reset(isolate, fun);
+
+ v8::Local<v8::Signature> sig = v8::Signature::New(isolate, fun);
+ m_Signature.Reset(isolate, sig);
+ }
+
+ int AssignID() {
+ FXJS_PerIsolateData* pData = FXJS_PerIsolateData::Get(m_pIsolate);
+ pData->m_ObjectDefnArray.push_back(this);
+ return pData->m_ObjectDefnArray.size() - 1;
+ }
+
+ v8::Local<v8::ObjectTemplate> GetInstanceTemplate() {
+ v8::EscapableHandleScope scope(m_pIsolate);
+ v8::Local<v8::FunctionTemplate> function =
+ m_FunctionTemplate.Get(m_pIsolate);
+ return scope.Escape(function->InstanceTemplate());
+ }
+
+ v8::Local<v8::Signature> GetSignature() {
+ v8::EscapableHandleScope scope(m_pIsolate);
+ return scope.Escape(m_Signature.Get(m_pIsolate));
+ }
+
+ const wchar_t* const m_ObjName;
+ const FXJSOBJTYPE m_ObjType;
+ const FXJS_CONSTRUCTOR m_pConstructor;
+ const FXJS_DESTRUCTOR m_pDestructor;
+
+ v8::Isolate* m_pIsolate;
+ v8::Global<v8::FunctionTemplate> m_FunctionTemplate;
+ v8::Global<v8::Signature> m_Signature;
+};
+
+static v8::Local<v8::ObjectTemplate> GetGlobalObjectTemplate(
+ v8::Isolate* pIsolate) {
+ int maxID = CFXJS_ObjDefinition::MaxID(pIsolate);
+ for (int i = 0; i < maxID; ++i) {
+ CFXJS_ObjDefinition* pObjDef = CFXJS_ObjDefinition::ForID(pIsolate, i);
+ if (pObjDef->m_ObjType == FXJSOBJTYPE_GLOBAL)
+ return pObjDef->GetInstanceTemplate();
+ }
+ if (!g_DefaultGlobalObjectTemplate) {
+ g_DefaultGlobalObjectTemplate = new v8::Global<v8::ObjectTemplate>;
+ g_DefaultGlobalObjectTemplate->Reset(pIsolate,
+ v8::ObjectTemplate::New(pIsolate));
+ }
+ return g_DefaultGlobalObjectTemplate->Get(pIsolate);
+}
+
+void* FXJS_ArrayBufferAllocator::Allocate(size_t length) {
+ return calloc(1, length);
+}
+
+void* FXJS_ArrayBufferAllocator::AllocateUninitialized(size_t length) {
+ return malloc(length);
+}
+
+void FXJS_ArrayBufferAllocator::Free(void* data, size_t length) {
+ free(data);
+}
+
+void V8TemplateMapTraits::Dispose(v8::Isolate* isolate,
+ v8::Global<v8::Object> value,
+ void* key) {
+ v8::Local<v8::Object> obj = value.Get(isolate);
+ if (obj.IsEmpty())
+ return;
+ int id = FXJS_GetObjDefnID(obj);
+ if (id == -1)
+ return;
+
+ CFXJS_ObjDefinition* pObjDef = CFXJS_ObjDefinition::ForID(isolate, id);
+ if (!pObjDef)
+ return;
+ if (pObjDef->m_pDestructor)
+ pObjDef->m_pDestructor(obj);
+ FXJS_FreePrivate(obj);
+}
+
+V8TemplateMapTraits::MapType* V8TemplateMapTraits::MapFromWeakCallbackInfo(
+ const v8::WeakCallbackInfo<WeakCallbackDataType>& data) {
+ V8TemplateMap* pMap =
+ (FXJS_PerIsolateData::Get(data.GetIsolate()))->m_pDynamicObjsMap;
+ return pMap ? &pMap->m_map : nullptr;
+}
+
+void FXJS_Initialize(unsigned int embedderDataSlot, v8::Isolate* pIsolate) {
+ if (g_isolate) {
+ ASSERT(g_embedderDataSlot == embedderDataSlot);
+ ASSERT(g_isolate == pIsolate);
+ return;
+ }
+ g_embedderDataSlot = embedderDataSlot;
+ g_isolate = pIsolate;
+}
+
+void FXJS_Release() {
+ ASSERT(!g_isolate || g_isolate_ref_count == 0);
+ delete g_DefaultGlobalObjectTemplate;
+ g_DefaultGlobalObjectTemplate = nullptr;
+ g_isolate = nullptr;
+
+ delete g_arrayBufferAllocator;
+ g_arrayBufferAllocator = nullptr;
+}
+
+bool FXJS_GetIsolate(v8::Isolate** pResultIsolate) {
+ if (g_isolate) {
+ *pResultIsolate = g_isolate;
+ return false;
+ }
+ // Provide backwards compatibility when no external isolate.
+ if (!g_arrayBufferAllocator)
+ g_arrayBufferAllocator = new FXJS_ArrayBufferAllocator();
+ v8::Isolate::CreateParams params;
+ params.array_buffer_allocator = g_arrayBufferAllocator;
+ *pResultIsolate = v8::Isolate::New(params);
+ return true;
+}
+
+size_t FXJS_GlobalIsolateRefCount() {
+ return g_isolate_ref_count;
+}
+
+// static
+void FXJS_PerIsolateData::SetUp(v8::Isolate* pIsolate) {
+ if (!pIsolate->GetData(g_embedderDataSlot))
+ 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,
+ const wchar_t* sObjName,
+ FXJSOBJTYPE eObjType,
+ FXJS_CONSTRUCTOR pConstructor,
+ FXJS_DESTRUCTOR pDestructor) {
+ v8::Isolate::Scope isolate_scope(pIsolate);
+ v8::HandleScope handle_scope(pIsolate);
+
+ FXJS_PerIsolateData::SetUp(pIsolate);
+ CFXJS_ObjDefinition* pObjDef = new CFXJS_ObjDefinition(
+ pIsolate, sObjName, eObjType, pConstructor, pDestructor);
+ return pObjDef->AssignID();
+}
+
+void FXJS_DefineObjMethod(v8::Isolate* pIsolate,
+ int nObjDefnID,
+ const wchar_t* sMethodName,
+ v8::FunctionCallback pMethodCall) {
+ v8::Isolate::Scope isolate_scope(pIsolate);
+ v8::HandleScope handle_scope(pIsolate);
+ CFX_ByteString bsMethodName = CFX_WideString(sMethodName).UTF8Encode();
+ CFXJS_ObjDefinition* pObjDef =
+ CFXJS_ObjDefinition::ForID(pIsolate, nObjDefnID);
+ pObjDef->GetInstanceTemplate()->Set(
+ v8::String::NewFromUtf8(pIsolate, bsMethodName.c_str(),
+ v8::NewStringType::kNormal)
+ .ToLocalChecked(),
+ v8::FunctionTemplate::New(pIsolate, pMethodCall, v8::Local<v8::Value>(),
+ pObjDef->GetSignature()),
+ v8::ReadOnly);
+}
+
+void FXJS_DefineObjProperty(v8::Isolate* pIsolate,
+ int nObjDefnID,
+ const wchar_t* sPropName,
+ v8::AccessorGetterCallback pPropGet,
+ v8::AccessorSetterCallback pPropPut) {
+ v8::Isolate::Scope isolate_scope(pIsolate);
+ v8::HandleScope handle_scope(pIsolate);
+ CFX_ByteString bsPropertyName = CFX_WideString(sPropName).UTF8Encode();
+ CFXJS_ObjDefinition* pObjDef =
+ CFXJS_ObjDefinition::ForID(pIsolate, nObjDefnID);
+ pObjDef->GetInstanceTemplate()->SetAccessor(
+ v8::String::NewFromUtf8(pIsolate, bsPropertyName.c_str(),
+ v8::NewStringType::kNormal)
+ .ToLocalChecked(),
+ pPropGet, pPropPut);
+}
+
+void FXJS_DefineObjAllProperties(v8::Isolate* pIsolate,
+ int nObjDefnID,
+ v8::NamedPropertyQueryCallback pPropQurey,
+ v8::NamedPropertyGetterCallback pPropGet,
+ v8::NamedPropertySetterCallback pPropPut,
+ v8::NamedPropertyDeleterCallback pPropDel) {
+ v8::Isolate::Scope isolate_scope(pIsolate);
+ v8::HandleScope handle_scope(pIsolate);
+ CFXJS_ObjDefinition* pObjDef =
+ CFXJS_ObjDefinition::ForID(pIsolate, nObjDefnID);
+ pObjDef->GetInstanceTemplate()->SetNamedPropertyHandler(pPropGet, pPropPut,
+ pPropQurey, pPropDel);
+}
+
+void FXJS_DefineObjConst(v8::Isolate* pIsolate,
+ int nObjDefnID,
+ const wchar_t* sConstName,
+ v8::Local<v8::Value> pDefault) {
+ v8::Isolate::Scope isolate_scope(pIsolate);
+ v8::HandleScope handle_scope(pIsolate);
+ CFX_ByteString bsConstName = CFX_WideString(sConstName).UTF8Encode();
+ CFXJS_ObjDefinition* pObjDef =
+ CFXJS_ObjDefinition::ForID(pIsolate, nObjDefnID);
+ pObjDef->GetInstanceTemplate()->Set(pIsolate, bsConstName.c_str(), pDefault);
+}
+
+void FXJS_DefineGlobalMethod(v8::Isolate* pIsolate,
+ const wchar_t* sMethodName,
+ v8::FunctionCallback pMethodCall) {
+ v8::Isolate::Scope isolate_scope(pIsolate);
+ v8::HandleScope handle_scope(pIsolate);
+ CFX_ByteString bsMethodName = CFX_WideString(sMethodName).UTF8Encode();
+ GetGlobalObjectTemplate(pIsolate)
+ ->Set(v8::String::NewFromUtf8(pIsolate, bsMethodName.c_str(),
+ v8::NewStringType::kNormal)
+ .ToLocalChecked(),
+ v8::FunctionTemplate::New(pIsolate, pMethodCall), v8::ReadOnly);
+}
+
+void FXJS_DefineGlobalConst(v8::Isolate* pIsolate,
+ const wchar_t* sConstName,
+ v8::FunctionCallback pConstGetter) {
+ v8::Isolate::Scope isolate_scope(pIsolate);
+ v8::HandleScope handle_scope(pIsolate);
+ CFX_ByteString bsConst = CFX_WideString(sConstName).UTF8Encode();
+ GetGlobalObjectTemplate(pIsolate)
+ ->SetAccessorProperty(v8::String::NewFromUtf8(pIsolate, bsConst.c_str(),
+ v8::NewStringType::kNormal)
+ .ToLocalChecked(),
+ v8::FunctionTemplate::New(pIsolate, pConstGetter));
+}
+
+void FXJS_InitializeRuntime(
+ v8::Isolate* pIsolate,
+ IJS_Runtime* pIRuntime,
+ v8::Global<v8::Context>* pV8PersistentContext,
+ std::vector<v8::Global<v8::Object>*>* pStaticObjects) {
+ if (pIsolate == g_isolate)
+ ++g_isolate_ref_count;
+
+ v8::Isolate::Scope isolate_scope(pIsolate);
+#ifdef PDF_ENABLE_XFA
+ v8::Locker locker(pIsolate);
+#endif // PDF_ENABLE_XFA
+ v8::HandleScope handle_scope(pIsolate);
+ v8::Local<v8::Context> v8Context =
+ v8::Context::New(pIsolate, NULL, GetGlobalObjectTemplate(pIsolate));
+ v8::Context::Scope context_scope(v8Context);
+
+ FXJS_PerIsolateData::SetUp(pIsolate);
+ FXJS_PerIsolateData* pData = FXJS_PerIsolateData::Get(pIsolate);
+ if (!pData)
+ return;
+ pData->CreateDynamicObjsMap(pIsolate);
+ v8Context->SetAlignedPointerInEmbedderData(kPerContextDataIndex, pIRuntime);
+
+ int maxID = CFXJS_ObjDefinition::MaxID(pIsolate);
+ pStaticObjects->resize(maxID + 1);
+ for (int i = 0; i < maxID; ++i) {
+ CFXJS_ObjDefinition* pObjDef = CFXJS_ObjDefinition::ForID(pIsolate, i);
+ if (pObjDef->m_ObjType == FXJSOBJTYPE_GLOBAL) {
+ v8Context->Global()
+ ->GetPrototype()
+ ->ToObject(v8Context)
+ .ToLocalChecked()
+ ->SetAlignedPointerInInternalField(0, new CFXJS_PerObjectData(i));
+
+ if (pObjDef->m_pConstructor)
+ pObjDef->m_pConstructor(pIRuntime, v8Context->Global()
+ ->GetPrototype()
+ ->ToObject(v8Context)
+ .ToLocalChecked());
+ } else if (pObjDef->m_ObjType == FXJSOBJTYPE_STATIC) {
+ CFX_ByteString bs = CFX_WideString(pObjDef->m_ObjName).UTF8Encode();
+ v8::Local<v8::String> m_ObjName =
+ v8::String::NewFromUtf8(pIsolate, bs.c_str(),
+ v8::NewStringType::kNormal, bs.GetLength())
+ .ToLocalChecked();
+
+ v8::Local<v8::Object> obj =
+ FXJS_NewFxDynamicObj(pIsolate, pIRuntime, i, true);
+ v8Context->Global()->Set(v8Context, m_ObjName, obj).FromJust();
+ pStaticObjects->at(i) = new v8::Global<v8::Object>(pIsolate, obj);
+ }
+ }
+ pV8PersistentContext->Reset(pIsolate, v8Context);
+}
+
+void FXJS_ReleaseRuntime(v8::Isolate* pIsolate,
+ v8::Global<v8::Context>* pV8PersistentContext,
+ std::vector<v8::Global<v8::Object>*>* pStaticObjects) {
+ v8::Isolate::Scope isolate_scope(pIsolate);
+#ifdef PDF_ENABLE_XFA
+ v8::Locker locker(pIsolate);
+#endif // PDF_ENABLE_XFA
+ v8::HandleScope handle_scope(pIsolate);
+ v8::Local<v8::Context> context =
+ v8::Local<v8::Context>::New(pIsolate, *pV8PersistentContext);
+ v8::Context::Scope context_scope(context);
+
+ FXJS_PerIsolateData* pData = FXJS_PerIsolateData::Get(pIsolate);
+ if (!pData)
+ return;
+ pData->ReleaseDynamicObjsMap();
+
+ int maxID = CFXJS_ObjDefinition::MaxID(pIsolate);
+ for (int i = 0; i < maxID; ++i) {
+ CFXJS_ObjDefinition* pObjDef = CFXJS_ObjDefinition::ForID(pIsolate, i);
+ v8::Local<v8::Object> pObj;
+ if (pObjDef->m_ObjType == FXJSOBJTYPE_GLOBAL) {
+ pObj =
+ context->Global()->GetPrototype()->ToObject(context).ToLocalChecked();
+ } else if (pStaticObjects->at(i) && !pStaticObjects->at(i)->IsEmpty()) {
+ pObj = v8::Local<v8::Object>::New(pIsolate, *pStaticObjects->at(i));
+ delete pStaticObjects->at(i);
+ pStaticObjects->at(i) = nullptr;
+ }
+
+ if (!pObj.IsEmpty()) {
+ if (pObjDef->m_pDestructor)
+ pObjDef->m_pDestructor(pObj);
+ FXJS_FreePrivate(pObj);
+ }
+ }
+
+ if (pIsolate == g_isolate && --g_isolate_ref_count > 0)
+ return;
+
+ for (int i = 0; i < maxID; ++i)
+ delete CFXJS_ObjDefinition::ForID(pIsolate, i);
+
+ pIsolate->SetData(g_embedderDataSlot, nullptr);
+ delete pData;
+}
+
+IJS_Runtime* FXJS_GetRuntimeFromIsolate(v8::Isolate* pIsolate) {
+ v8::Local<v8::Context> context = pIsolate->GetCurrentContext();
+ return static_cast<IJS_Runtime*>(
+ context->GetAlignedPointerFromEmbedderData(kPerContextDataIndex));
+}
+
+#ifdef PDF_ENABLE_XFA
+void FXJS_SetRuntimeForV8Context(v8::Local<v8::Context> v8Context,
+ IJS_Runtime* pIRuntime) {
+ v8Context->SetAlignedPointerInEmbedderData(kPerContextDataIndex, pIRuntime);
+}
+#endif // PDF_ENABLE_XFA
+
+int FXJS_Execute(v8::Isolate* pIsolate,
+ IJS_Context* pJSContext,
+ const wchar_t* script,
+ FXJSErr* pError) {
+ v8::Isolate::Scope isolate_scope(pIsolate);
+ v8::TryCatch try_catch(pIsolate);
+ CFX_ByteString bsScript = CFX_WideString(script).UTF8Encode();
+ v8::Local<v8::Context> context = pIsolate->GetCurrentContext();
+ v8::Local<v8::Script> compiled_script;
+ if (!v8::Script::Compile(context,
+ v8::String::NewFromUtf8(pIsolate, bsScript.c_str(),
+ v8::NewStringType::kNormal,
+ bsScript.GetLength())
+ .ToLocalChecked())
+ .ToLocal(&compiled_script)) {
+ v8::String::Utf8Value error(try_catch.Exception());
+ // TODO(tsepez): return error via pError->message.
+ return -1;
+ }
+
+ v8::Local<v8::Value> result;
+ if (!compiled_script->Run(context).ToLocal(&result)) {
+ v8::String::Utf8Value error(try_catch.Exception());
+ // TODO(tsepez): return error via pError->message.
+ return -1;
+ }
+ return 0;
+}
+
+v8::Local<v8::Object> FXJS_NewFxDynamicObj(v8::Isolate* pIsolate,
+ IJS_Runtime* pIRuntime,
+ int nObjDefnID,
+ bool bStatic) {
+ v8::Isolate::Scope isolate_scope(pIsolate);
+ v8::Local<v8::Context> context = pIsolate->GetCurrentContext();
+ if (nObjDefnID == -1) {
+ v8::Local<v8::ObjectTemplate> objTempl = v8::ObjectTemplate::New(pIsolate);
+ v8::Local<v8::Object> obj;
+ if (!objTempl->NewInstance(context).ToLocal(&obj))
+ return v8::Local<v8::Object>();
+ return obj;
+ }
+
+ FXJS_PerIsolateData* pData = FXJS_PerIsolateData::Get(pIsolate);
+ if (!pData)
+ return v8::Local<v8::Object>();
+
+ if (nObjDefnID < 0 || nObjDefnID >= CFXJS_ObjDefinition::MaxID(pIsolate))
+ return v8::Local<v8::Object>();
+
+ CFXJS_ObjDefinition* pObjDef =
+ CFXJS_ObjDefinition::ForID(pIsolate, nObjDefnID);
+ v8::Local<v8::Object> obj;
+ if (!pObjDef->GetInstanceTemplate()->NewInstance(context).ToLocal(&obj))
+ return v8::Local<v8::Object>();
+
+ CFXJS_PerObjectData* pPerObjData = new CFXJS_PerObjectData(nObjDefnID);
+ obj->SetAlignedPointerInInternalField(0, pPerObjData);
+ if (pObjDef->m_pConstructor)
+ pObjDef->m_pConstructor(pIRuntime, obj);
+
+ if (!bStatic && FXJS_PerIsolateData::Get(pIsolate)->m_pDynamicObjsMap) {
+ FXJS_PerIsolateData::Get(pIsolate)
+ ->m_pDynamicObjsMap->set(pPerObjData, obj);
+ }
+ return obj;
+}
+
+v8::Local<v8::Object> FXJS_GetThisObj(v8::Isolate* pIsolate) {
+ v8::Isolate::Scope isolate_scope(pIsolate);
+ 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();
+}
+
+int FXJS_GetObjDefnID(v8::Local<v8::Object> pObj) {
+ if (pObj.IsEmpty() || !pObj->InternalFieldCount())
+ return -1;
+ CFXJS_PerObjectData* pPerObjectData = static_cast<CFXJS_PerObjectData*>(
+ pObj->GetAlignedPointerFromInternalField(0));
+ if (pPerObjectData)
+ return pPerObjectData->m_ObjDefID;
+ return -1;
+}
+
+void FXJS_Error(v8::Isolate* pIsolate, const CFX_WideString& message) {
+ // Conversion from pdfium's wchar_t wide-strings to v8's uint16_t
+ // wide-strings isn't handled by v8, so use UTF8 as a common
+ // intermediate format.
+ CFX_ByteString utf8_message = message.UTF8Encode();
+ pIsolate->ThrowException(v8::String::NewFromUtf8(pIsolate,
+ utf8_message.c_str(),
+ v8::NewStringType::kNormal)
+ .ToLocalChecked());
+}
+
+const wchar_t* FXJS_GetTypeof(v8::Local<v8::Value> pObj) {
+ if (pObj.IsEmpty())
+ return NULL;
+ if (pObj->IsString())
+ return kFXJSValueNameString;
+ if (pObj->IsNumber())
+ return kFXJSValueNameNumber;
+ if (pObj->IsBoolean())
+ return kFXJSValueNameBoolean;
+ if (pObj->IsDate())
+ return kFXJSValueNameDate;
+ if (pObj->IsObject())
+ return kFXJSValueNameObject;
+ if (pObj->IsNull())
+ return kFXJSValueNameNull;
+ if (pObj->IsUndefined())
+ return kFXJSValueNameUndefined;
+ return NULL;
+}
+
+void FXJS_SetPrivate(v8::Isolate* pIsolate,
+ v8::Local<v8::Object> pObj,
+ void* p) {
+ if (pObj.IsEmpty() || !pObj->InternalFieldCount())
+ return;
+ CFXJS_PerObjectData* pPerObjectData = static_cast<CFXJS_PerObjectData*>(
+ pObj->GetAlignedPointerFromInternalField(0));
+ if (!pPerObjectData)
+ return;
+ pPerObjectData->m_pPrivate = p;
+}
+
+void* FXJS_GetPrivate(v8::Isolate* pIsolate, v8::Local<v8::Object> pObj) {
+ if (pObj.IsEmpty())
+ return nullptr;
+ CFXJS_PerObjectData* pPerObjectData = nullptr;
+ if (pObj->InternalFieldCount()) {
+ pPerObjectData = static_cast<CFXJS_PerObjectData*>(
+ pObj->GetAlignedPointerFromInternalField(0));
+ } else {
+ // It could be a global proxy object.
+ v8::Local<v8::Value> v = pObj->GetPrototype();
+ v8::Local<v8::Context> context = pIsolate->GetCurrentContext();
+ if (v->IsObject()) {
+ pPerObjectData = static_cast<CFXJS_PerObjectData*>(
+ v->ToObject(context)
+ .ToLocalChecked()
+ ->GetAlignedPointerFromInternalField(0));
+ }
+ }
+ return pPerObjectData ? pPerObjectData->m_pPrivate : nullptr;
+}
+
+void FXJS_FreePrivate(void* pPerObjectData) {
+ delete static_cast<CFXJS_PerObjectData*>(pPerObjectData);
+}
+
+void FXJS_FreePrivate(v8::Local<v8::Object> pObj) {
+ if (pObj.IsEmpty() || !pObj->InternalFieldCount())
+ return;
+ FXJS_FreePrivate(pObj->GetAlignedPointerFromInternalField(0));
+ pObj->SetAlignedPointerInInternalField(0, NULL);
+}
+
+v8::Local<v8::String> FXJS_WSToJSString(v8::Isolate* pIsolate,
+ const wchar_t* PropertyName,
+ int Len) {
+ CFX_WideString ws = CFX_WideString(PropertyName, Len);
+ CFX_ByteString bs = ws.UTF8Encode();
+ if (!pIsolate)
+ pIsolate = v8::Isolate::GetCurrent();
+ return v8::String::NewFromUtf8(pIsolate, bs.c_str(),
+ v8::NewStringType::kNormal)
+ .ToLocalChecked();
+}
+
+v8::Local<v8::Value> FXJS_GetObjectElement(v8::Isolate* pIsolate,
+ v8::Local<v8::Object> pObj,
+ const wchar_t* PropertyName) {
+ if (pObj.IsEmpty())
+ return v8::Local<v8::Value>();
+ v8::Local<v8::Value> val;
+ if (!pObj->Get(pIsolate->GetCurrentContext(),
+ FXJS_WSToJSString(pIsolate, PropertyName))
+ .ToLocal(&val))
+ return v8::Local<v8::Value>();
+ return val;
+}
+
+v8::Local<v8::Array> FXJS_GetObjectElementNames(v8::Isolate* pIsolate,
+ v8::Local<v8::Object> pObj) {
+ if (pObj.IsEmpty())
+ return v8::Local<v8::Array>();
+ v8::Local<v8::Array> val;
+ if (!pObj->GetPropertyNames(pIsolate->GetCurrentContext()).ToLocal(&val))
+ return v8::Local<v8::Array>();
+ return val;
+}
+
+void FXJS_PutObjectString(v8::Isolate* pIsolate,
+ v8::Local<v8::Object> pObj,
+ const wchar_t* PropertyName,
+ const wchar_t* sValue) {
+ if (pObj.IsEmpty())
+ return;
+ pObj->Set(pIsolate->GetCurrentContext(),
+ FXJS_WSToJSString(pIsolate, PropertyName),
+ FXJS_WSToJSString(pIsolate, sValue))
+ .FromJust();
+}
+
+void FXJS_PutObjectNumber(v8::Isolate* pIsolate,
+ v8::Local<v8::Object> pObj,
+ const wchar_t* PropertyName,
+ int nValue) {
+ if (pObj.IsEmpty())
+ return;
+ pObj->Set(pIsolate->GetCurrentContext(),
+ FXJS_WSToJSString(pIsolate, PropertyName),
+ v8::Int32::New(pIsolate, nValue))
+ .FromJust();
+}
+
+void FXJS_PutObjectNumber(v8::Isolate* pIsolate,
+ v8::Local<v8::Object> pObj,
+ const wchar_t* PropertyName,
+ float fValue) {
+ if (pObj.IsEmpty())
+ return;
+ pObj->Set(pIsolate->GetCurrentContext(),
+ FXJS_WSToJSString(pIsolate, PropertyName),
+ v8::Number::New(pIsolate, (double)fValue))
+ .FromJust();
+}
+
+void FXJS_PutObjectNumber(v8::Isolate* pIsolate,
+ v8::Local<v8::Object> pObj,
+ const wchar_t* PropertyName,
+ double dValue) {
+ if (pObj.IsEmpty())
+ return;
+ pObj->Set(pIsolate->GetCurrentContext(),
+ FXJS_WSToJSString(pIsolate, PropertyName),
+ v8::Number::New(pIsolate, (double)dValue))
+ .FromJust();
+}
+
+void FXJS_PutObjectBoolean(v8::Isolate* pIsolate,
+ v8::Local<v8::Object> pObj,
+ const wchar_t* PropertyName,
+ bool bValue) {
+ if (pObj.IsEmpty())
+ return;
+ pObj->Set(pIsolate->GetCurrentContext(),
+ FXJS_WSToJSString(pIsolate, PropertyName),
+ v8::Boolean::New(pIsolate, bValue))
+ .FromJust();
+}
+
+void FXJS_PutObjectObject(v8::Isolate* pIsolate,
+ v8::Local<v8::Object> pObj,
+ const wchar_t* PropertyName,
+ v8::Local<v8::Object> pPut) {
+ if (pObj.IsEmpty())
+ return;
+ pObj->Set(pIsolate->GetCurrentContext(),
+ FXJS_WSToJSString(pIsolate, PropertyName), pPut)
+ .FromJust();
+}
+
+void FXJS_PutObjectNull(v8::Isolate* pIsolate,
+ v8::Local<v8::Object> pObj,
+ const wchar_t* PropertyName) {
+ if (pObj.IsEmpty())
+ return;
+ pObj->Set(pIsolate->GetCurrentContext(),
+ FXJS_WSToJSString(pIsolate, PropertyName), v8::Local<v8::Object>())
+ .FromJust();
+}
+
+v8::Local<v8::Array> FXJS_NewArray(v8::Isolate* pIsolate) {
+ return v8::Array::New(pIsolate);
+}
+
+unsigned FXJS_PutArrayElement(v8::Isolate* pIsolate,
+ v8::Local<v8::Array> pArray,
+ unsigned index,
+ v8::Local<v8::Value> pValue) {
+ if (pArray.IsEmpty())
+ return 0;
+ if (pArray->Set(pIsolate->GetCurrentContext(), index, pValue).IsNothing())
+ return 0;
+ return 1;
+}
+
+v8::Local<v8::Value> FXJS_GetArrayElement(v8::Isolate* pIsolate,
+ v8::Local<v8::Array> pArray,
+ unsigned index) {
+ if (pArray.IsEmpty())
+ return v8::Local<v8::Value>();
+ v8::Local<v8::Value> val;
+ if (!pArray->Get(pIsolate->GetCurrentContext(), index).ToLocal(&val))
+ return v8::Local<v8::Value>();
+ return val;
+}
+
+unsigned FXJS_GetArrayLength(v8::Local<v8::Array> pArray) {
+ if (pArray.IsEmpty())
+ return 0;
+ return pArray->Length();
+}
+
+v8::Local<v8::Value> FXJS_NewNumber(v8::Isolate* pIsolate, int number) {
+ return v8::Int32::New(pIsolate, number);
+}
+
+v8::Local<v8::Value> FXJS_NewNumber(v8::Isolate* pIsolate, double number) {
+ return v8::Number::New(pIsolate, number);
+}
+
+v8::Local<v8::Value> FXJS_NewNumber(v8::Isolate* pIsolate, float number) {
+ return v8::Number::New(pIsolate, (float)number);
+}
+
+v8::Local<v8::Value> FXJS_NewBoolean(v8::Isolate* pIsolate, bool b) {
+ return v8::Boolean::New(pIsolate, b);
+}
+
+v8::Local<v8::Value> FXJS_NewObject(v8::Isolate* pIsolate,
+ v8::Local<v8::Object> pObj) {
+ if (pObj.IsEmpty())
+ return v8::Local<v8::Value>();
+ return pObj->Clone();
+}
+
+v8::Local<v8::Value> FXJS_NewObject2(v8::Isolate* pIsolate,
+ v8::Local<v8::Array> pObj) {
+ if (pObj.IsEmpty())
+ return v8::Local<v8::Value>();
+ return pObj->Clone();
+}
+
+v8::Local<v8::Value> FXJS_NewString(v8::Isolate* pIsolate, const wchar_t* str) {
+ return FXJS_WSToJSString(pIsolate, str);
+}
+
+v8::Local<v8::Value> FXJS_NewNull() {
+ return v8::Local<v8::Value>();
+}
+
+v8::Local<v8::Value> FXJS_NewDate(v8::Isolate* pIsolate, double d) {
+ return v8::Date::New(pIsolate->GetCurrentContext(), d).ToLocalChecked();
+}
+
+int FXJS_ToInt32(v8::Isolate* pIsolate, v8::Local<v8::Value> pValue) {
+ if (pValue.IsEmpty())
+ return 0;
+ v8::Local<v8::Context> context = pIsolate->GetCurrentContext();
+ return pValue->ToInt32(context).ToLocalChecked()->Value();
+}
+
+bool FXJS_ToBoolean(v8::Isolate* pIsolate, v8::Local<v8::Value> pValue) {
+ if (pValue.IsEmpty())
+ return false;
+ v8::Local<v8::Context> context = pIsolate->GetCurrentContext();
+ return pValue->ToBoolean(context).ToLocalChecked()->Value();
+}
+
+double FXJS_ToNumber(v8::Isolate* pIsolate, v8::Local<v8::Value> pValue) {
+ if (pValue.IsEmpty())
+ return 0.0;
+ v8::Local<v8::Context> context = pIsolate->GetCurrentContext();
+ return pValue->ToNumber(context).ToLocalChecked()->Value();
+}
+
+v8::Local<v8::Object> FXJS_ToObject(v8::Isolate* pIsolate,
+ v8::Local<v8::Value> pValue) {
+ if (pValue.IsEmpty())
+ return v8::Local<v8::Object>();
+ v8::Local<v8::Context> context = pIsolate->GetCurrentContext();
+ return pValue->ToObject(context).ToLocalChecked();
+}
+
+CFX_WideString FXJS_ToString(v8::Isolate* pIsolate,
+ v8::Local<v8::Value> pValue) {
+ if (pValue.IsEmpty())
+ return L"";
+ v8::Local<v8::Context> context = pIsolate->GetCurrentContext();
+ v8::String::Utf8Value s(pValue->ToString(context).ToLocalChecked());
+ return CFX_WideString::FromUTF8(*s, s.length());
+}
+
+v8::Local<v8::Array> FXJS_ToArray(v8::Isolate* pIsolate,
+ v8::Local<v8::Value> pValue) {
+ if (pValue.IsEmpty())
+ return v8::Local<v8::Array>();
+ v8::Local<v8::Context> context = pIsolate->GetCurrentContext();
+ return v8::Local<v8::Array>::Cast(pValue->ToObject(context).ToLocalChecked());
+}
+
+void FXJS_ValueCopy(v8::Local<v8::Value>& pTo, v8::Local<v8::Value> pFrom) {
+ pTo = pFrom;
+}
diff --git a/fpdfsdk/jsapi/fxjs_v8_embeddertest.cpp b/fpdfsdk/jsapi/fxjs_v8_embeddertest.cpp
new file mode 100644
index 0000000000..b7700c8b60
--- /dev/null
+++ b/fpdfsdk/jsapi/fxjs_v8_embeddertest.cpp
@@ -0,0 +1,31 @@
+// Copyright 2015 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "testing/gtest/include/gtest/gtest.h"
+#include "testing/js_embedder_test.h"
+
+namespace {
+
+const wchar_t kScript[] = L"fred = 7";
+
+} // namespace
+
+class FXJSV8EmbedderTest : public JSEmbedderTest {};
+
+TEST_F(FXJSV8EmbedderTest, Getters) {
+ v8::Isolate::Scope isolate_scope(isolate());
+#ifdef PDF_ENABLE_XFA
+ v8::Locker locker(isolate());
+#endif // PDF_ENABLE_XFA
+ v8::HandleScope handle_scope(isolate());
+ v8::Context::Scope context_scope(GetV8Context());
+
+ FXJSErr error;
+ int sts = FXJS_Execute(isolate(), nullptr, kScript, &error);
+ EXPECT_EQ(0, sts);
+
+ v8::Local<v8::Object> This = FXJS_GetThisObj(isolate());
+ v8::Local<v8::Value> fred = FXJS_GetObjectElement(isolate(), This, L"fred");
+ EXPECT_TRUE(fred->IsNumber());
+}