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authordsinclair <dsinclair@chromium.org>2016-06-09 13:24:34 -0700
committerCommit bot <commit-bot@chromium.org>2016-06-09 13:24:34 -0700
commit8bd9ce00a0755d72c9b5b8ad43d8f50c2f51e5c5 (patch)
tree9dd3a72354f353694cc52747acabf297a10251a3 /fxjse/class.cpp
parent3cace320e07bb954710c50fc7634ca3a8f3eda38 (diff)
downloadpdfium-8bd9ce00a0755d72c9b5b8ad43d8f50c2f51e5c5.tar.xz
Move xfa/fxjse/ to fxjse/
This makes it clear that fxjse/ is a standalone component and should not be entangled with other xfa/ components. BUG=pdfium:506 Review-Url: https://codereview.chromium.org/2056663004
Diffstat (limited to 'fxjse/class.cpp')
-rw-r--r--fxjse/class.cpp282
1 files changed, 282 insertions, 0 deletions
diff --git a/fxjse/class.cpp b/fxjse/class.cpp
new file mode 100644
index 0000000000..bb133fba58
--- /dev/null
+++ b/fxjse/class.cpp
@@ -0,0 +1,282 @@
+// 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 "fxjse/include/cfxjse_class.h"
+
+#include "fxjse/context.h"
+#include "fxjse/include/cfxjse_arguments.h"
+#include "fxjse/include/cfxjse_value.h"
+#include "fxjse/scope_inline.h"
+
+static void FXJSE_V8ConstructorCallback_Wrapper(
+ const v8::FunctionCallbackInfo<v8::Value>& info);
+static void FXJSE_V8FunctionCallback_Wrapper(
+ const v8::FunctionCallbackInfo<v8::Value>& info);
+static void FXJSE_V8GetterCallback_Wrapper(
+ v8::Local<v8::String> property,
+ const v8::PropertyCallbackInfo<v8::Value>& info);
+static void FXJSE_V8SetterCallback_Wrapper(
+ v8::Local<v8::String> property,
+ v8::Local<v8::Value> value,
+ const v8::PropertyCallbackInfo<void>& info);
+
+static void FXJSE_V8FunctionCallback_Wrapper(
+ const v8::FunctionCallbackInfo<v8::Value>& info) {
+ const FXJSE_FUNCTION_DESCRIPTOR* lpFunctionInfo =
+ static_cast<FXJSE_FUNCTION_DESCRIPTOR*>(
+ info.Data().As<v8::External>()->Value());
+ if (!lpFunctionInfo) {
+ return;
+ }
+ CFX_ByteStringC szFunctionName(lpFunctionInfo->name);
+ std::unique_ptr<CFXJSE_Value> lpThisValue(
+ new CFXJSE_Value(info.GetIsolate()));
+ lpThisValue->ForceSetValue(info.This());
+ std::unique_ptr<CFXJSE_Value> lpRetValue(new CFXJSE_Value(info.GetIsolate()));
+ CFXJSE_Arguments impl(&info, lpRetValue.get());
+ lpFunctionInfo->callbackProc(lpThisValue.get(), szFunctionName, impl);
+ if (!lpRetValue->DirectGetValue().IsEmpty()) {
+ info.GetReturnValue().Set(lpRetValue->DirectGetValue());
+ }
+}
+
+static void FXJSE_V8ClassGlobalConstructorCallback_Wrapper(
+ const v8::FunctionCallbackInfo<v8::Value>& info) {
+ const FXJSE_CLASS_DESCRIPTOR* lpClassDefinition =
+ static_cast<FXJSE_CLASS_DESCRIPTOR*>(
+ info.Data().As<v8::External>()->Value());
+ if (!lpClassDefinition) {
+ return;
+ }
+ CFX_ByteStringC szFunctionName(lpClassDefinition->name);
+ std::unique_ptr<CFXJSE_Value> lpThisValue(
+ new CFXJSE_Value(info.GetIsolate()));
+ lpThisValue->ForceSetValue(info.This());
+ std::unique_ptr<CFXJSE_Value> lpRetValue(new CFXJSE_Value(info.GetIsolate()));
+ CFXJSE_Arguments impl(&info, lpRetValue.get());
+ lpClassDefinition->constructor(lpThisValue.get(), szFunctionName, impl);
+ if (!lpRetValue->DirectGetValue().IsEmpty()) {
+ info.GetReturnValue().Set(lpRetValue->DirectGetValue());
+ }
+}
+
+static void FXJSE_V8GetterCallback_Wrapper(
+ v8::Local<v8::String> property,
+ const v8::PropertyCallbackInfo<v8::Value>& info) {
+ const FXJSE_PROPERTY_DESCRIPTOR* lpPropertyInfo =
+ static_cast<FXJSE_PROPERTY_DESCRIPTOR*>(
+ info.Data().As<v8::External>()->Value());
+ if (!lpPropertyInfo) {
+ return;
+ }
+ CFX_ByteStringC szPropertyName(lpPropertyInfo->name);
+ std::unique_ptr<CFXJSE_Value> lpThisValue(
+ new CFXJSE_Value(info.GetIsolate()));
+ std::unique_ptr<CFXJSE_Value> lpPropValue(
+ new CFXJSE_Value(info.GetIsolate()));
+ lpThisValue->ForceSetValue(info.This());
+ lpPropertyInfo->getProc(lpThisValue.get(), szPropertyName, lpPropValue.get());
+ info.GetReturnValue().Set(lpPropValue->DirectGetValue());
+}
+
+static void FXJSE_V8SetterCallback_Wrapper(
+ v8::Local<v8::String> property,
+ v8::Local<v8::Value> value,
+ const v8::PropertyCallbackInfo<void>& info) {
+ const FXJSE_PROPERTY_DESCRIPTOR* lpPropertyInfo =
+ static_cast<FXJSE_PROPERTY_DESCRIPTOR*>(
+ info.Data().As<v8::External>()->Value());
+ if (!lpPropertyInfo) {
+ return;
+ }
+ CFX_ByteStringC szPropertyName(lpPropertyInfo->name);
+ std::unique_ptr<CFXJSE_Value> lpThisValue(
+ new CFXJSE_Value(info.GetIsolate()));
+ std::unique_ptr<CFXJSE_Value> lpPropValue(
+ new CFXJSE_Value(info.GetIsolate()));
+ lpThisValue->ForceSetValue(info.This());
+ lpPropValue->ForceSetValue(value);
+ lpPropertyInfo->setProc(lpThisValue.get(), szPropertyName, lpPropValue.get());
+}
+
+static void FXJSE_V8ConstructorCallback_Wrapper(
+ const v8::FunctionCallbackInfo<v8::Value>& info) {
+ const FXJSE_CLASS_DESCRIPTOR* lpClassDefinition =
+ static_cast<FXJSE_CLASS_DESCRIPTOR*>(
+ info.Data().As<v8::External>()->Value());
+ if (!lpClassDefinition) {
+ return;
+ }
+ ASSERT(info.This()->InternalFieldCount());
+ info.This()->SetAlignedPointerInInternalField(0, NULL);
+}
+
+v8::Isolate* CFXJSE_Arguments::GetRuntime() const {
+ return m_pRetValue->GetIsolate();
+}
+
+int32_t CFXJSE_Arguments::GetLength() const {
+ return m_pInfo->Length();
+}
+
+std::unique_ptr<CFXJSE_Value> CFXJSE_Arguments::GetValue(int32_t index) const {
+ std::unique_ptr<CFXJSE_Value> lpArgValue(
+ new CFXJSE_Value(v8::Isolate::GetCurrent()));
+ lpArgValue->ForceSetValue((*m_pInfo)[index]);
+ return lpArgValue;
+}
+
+FX_BOOL CFXJSE_Arguments::GetBoolean(int32_t index) const {
+ return (*m_pInfo)[index]->BooleanValue();
+}
+
+int32_t CFXJSE_Arguments::GetInt32(int32_t index) const {
+ return static_cast<int32_t>((*m_pInfo)[index]->NumberValue());
+}
+
+FX_FLOAT CFXJSE_Arguments::GetFloat(int32_t index) const {
+ return static_cast<FX_FLOAT>((*m_pInfo)[index]->NumberValue());
+}
+
+CFX_ByteString CFXJSE_Arguments::GetUTF8String(int32_t index) const {
+ v8::Local<v8::String> hString = (*m_pInfo)[index]->ToString();
+ v8::String::Utf8Value szStringVal(hString);
+ return CFX_ByteString(*szStringVal);
+}
+
+CFXJSE_HostObject* CFXJSE_Arguments::GetObject(int32_t index,
+ CFXJSE_Class* pClass) const {
+ v8::Local<v8::Value> hValue = (*m_pInfo)[index];
+ ASSERT(!hValue.IsEmpty());
+ if (!hValue->IsObject())
+ return nullptr;
+ return FXJSE_RetrieveObjectBinding(hValue.As<v8::Object>(), pClass);
+}
+
+CFXJSE_Value* CFXJSE_Arguments::GetReturnValue() {
+ return m_pRetValue;
+}
+
+static void FXJSE_Context_GlobalObjToString(
+ const v8::FunctionCallbackInfo<v8::Value>& info) {
+ const FXJSE_CLASS_DESCRIPTOR* lpClass = static_cast<FXJSE_CLASS_DESCRIPTOR*>(
+ info.Data().As<v8::External>()->Value());
+ if (!lpClass) {
+ return;
+ }
+ if (info.This() == info.Holder() && lpClass->name) {
+ CFX_ByteString szStringVal;
+ szStringVal.Format("[object %s]", lpClass->name);
+ info.GetReturnValue().Set(v8::String::NewFromUtf8(
+ info.GetIsolate(), szStringVal.c_str(), v8::String::kNormalString,
+ szStringVal.GetLength()));
+ } else {
+ v8::Local<v8::String> local_str =
+ info.This()
+ ->ObjectProtoToString(info.GetIsolate()->GetCurrentContext())
+ .FromMaybe(v8::Local<v8::String>());
+ info.GetReturnValue().Set(local_str);
+ }
+}
+
+CFXJSE_Class* CFXJSE_Class::Create(
+ CFXJSE_Context* lpContext,
+ const FXJSE_CLASS_DESCRIPTOR* lpClassDefinition,
+ FX_BOOL bIsJSGlobal) {
+ if (!lpContext || !lpClassDefinition) {
+ return NULL;
+ }
+ CFXJSE_Class* pClass =
+ GetClassFromContext(lpContext, lpClassDefinition->name);
+ if (pClass) {
+ return pClass;
+ }
+ v8::Isolate* pIsolate = lpContext->m_pIsolate;
+ pClass = new CFXJSE_Class(lpContext);
+ pClass->m_szClassName = lpClassDefinition->name;
+ pClass->m_lpClassDefinition = lpClassDefinition;
+ CFXJSE_ScopeUtil_IsolateHandleRootContext scope(pIsolate);
+ v8::Local<v8::FunctionTemplate> hFunctionTemplate = v8::FunctionTemplate::New(
+ pIsolate, bIsJSGlobal ? 0 : FXJSE_V8ConstructorCallback_Wrapper,
+ v8::External::New(
+ pIsolate, const_cast<FXJSE_CLASS_DESCRIPTOR*>(lpClassDefinition)));
+ hFunctionTemplate->SetClassName(
+ v8::String::NewFromUtf8(pIsolate, lpClassDefinition->name));
+ hFunctionTemplate->InstanceTemplate()->SetInternalFieldCount(1);
+ v8::Local<v8::ObjectTemplate> hObjectTemplate =
+ hFunctionTemplate->InstanceTemplate();
+ SetUpNamedPropHandler(pIsolate, hObjectTemplate, lpClassDefinition);
+
+ if (lpClassDefinition->propNum) {
+ for (int32_t i = 0; i < lpClassDefinition->propNum; i++) {
+ hObjectTemplate->SetNativeDataProperty(
+ v8::String::NewFromUtf8(pIsolate,
+ lpClassDefinition->properties[i].name),
+ lpClassDefinition->properties[i].getProc
+ ? FXJSE_V8GetterCallback_Wrapper
+ : NULL,
+ lpClassDefinition->properties[i].setProc
+ ? FXJSE_V8SetterCallback_Wrapper
+ : NULL,
+ v8::External::New(pIsolate, const_cast<FXJSE_PROPERTY_DESCRIPTOR*>(
+ lpClassDefinition->properties + i)),
+ static_cast<v8::PropertyAttribute>(v8::DontDelete));
+ }
+ }
+ if (lpClassDefinition->methNum) {
+ for (int32_t i = 0; i < lpClassDefinition->methNum; i++) {
+ hObjectTemplate->Set(
+ v8::String::NewFromUtf8(pIsolate, lpClassDefinition->methods[i].name),
+ v8::FunctionTemplate::New(
+ pIsolate, FXJSE_V8FunctionCallback_Wrapper,
+ v8::External::New(pIsolate,
+ const_cast<FXJSE_FUNCTION_DESCRIPTOR*>(
+ lpClassDefinition->methods + i))),
+ static_cast<v8::PropertyAttribute>(v8::ReadOnly | v8::DontDelete));
+ }
+ }
+ if (lpClassDefinition->constructor) {
+ if (bIsJSGlobal) {
+ hObjectTemplate->Set(
+ v8::String::NewFromUtf8(pIsolate, lpClassDefinition->name),
+ v8::FunctionTemplate::New(
+ pIsolate, FXJSE_V8ClassGlobalConstructorCallback_Wrapper,
+ v8::External::New(pIsolate, const_cast<FXJSE_CLASS_DESCRIPTOR*>(
+ lpClassDefinition))),
+ static_cast<v8::PropertyAttribute>(v8::ReadOnly | v8::DontDelete));
+ } else {
+ v8::Local<v8::Context> hLocalContext =
+ v8::Local<v8::Context>::New(pIsolate, lpContext->m_hContext);
+ FXJSE_GetGlobalObjectFromContext(hLocalContext)
+ ->Set(v8::String::NewFromUtf8(pIsolate, lpClassDefinition->name),
+ v8::Function::New(
+ pIsolate, FXJSE_V8ClassGlobalConstructorCallback_Wrapper,
+ v8::External::New(pIsolate,
+ const_cast<FXJSE_CLASS_DESCRIPTOR*>(
+ lpClassDefinition))));
+ }
+ }
+ if (bIsJSGlobal) {
+ hObjectTemplate->Set(
+ v8::String::NewFromUtf8(pIsolate, "toString"),
+ v8::FunctionTemplate::New(
+ pIsolate, FXJSE_Context_GlobalObjToString,
+ v8::External::New(pIsolate, const_cast<FXJSE_CLASS_DESCRIPTOR*>(
+ lpClassDefinition))));
+ }
+ pClass->m_hTemplate.Reset(lpContext->m_pIsolate, hFunctionTemplate);
+ lpContext->m_rgClasses.push_back(std::unique_ptr<CFXJSE_Class>(pClass));
+ return pClass;
+}
+
+CFXJSE_Class* CFXJSE_Class::GetClassFromContext(CFXJSE_Context* pContext,
+ const CFX_ByteStringC& szName) {
+ for (const auto& pClass : pContext->m_rgClasses) {
+ if (pClass->m_szClassName == szName)
+ return pClass.get();
+ }
+ return nullptr;
+}