summaryrefslogtreecommitdiff
path: root/fxjse/value.cpp
diff options
context:
space:
mode:
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/value.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/value.cpp')
-rw-r--r--fxjse/value.cpp297
1 files changed, 297 insertions, 0 deletions
diff --git a/fxjse/value.cpp b/fxjse/value.cpp
new file mode 100644
index 0000000000..a49ee312f3
--- /dev/null
+++ b/fxjse/value.cpp
@@ -0,0 +1,297 @@
+// 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_value.h"
+
+#include <math.h>
+
+#include "fxjse/context.h"
+#include "fxjse/include/cfxjse_class.h"
+
+void FXJSE_ThrowMessage(const CFX_ByteStringC& utf8Message) {
+ v8::Isolate* pIsolate = v8::Isolate::GetCurrent();
+ ASSERT(pIsolate);
+
+ CFXJSE_ScopeUtil_IsolateHandleRootContext scope(pIsolate);
+ v8::Local<v8::String> hMessage = v8::String::NewFromUtf8(
+ pIsolate, utf8Message.c_str(), v8::String::kNormalString,
+ utf8Message.GetLength());
+ v8::Local<v8::Value> hError = v8::Exception::Error(hMessage);
+ pIsolate->ThrowException(hError);
+}
+
+CFXJSE_HostObject* CFXJSE_Value::ToHostObject(CFXJSE_Class* lpClass) const {
+ ASSERT(!m_hValue.IsEmpty());
+
+ CFXJSE_ScopeUtil_IsolateHandleRootContext scope(m_pIsolate);
+ v8::Local<v8::Value> pValue = v8::Local<v8::Value>::New(m_pIsolate, m_hValue);
+ ASSERT(!pValue.IsEmpty());
+
+ if (!pValue->IsObject())
+ return nullptr;
+
+ return FXJSE_RetrieveObjectBinding(pValue.As<v8::Object>(), lpClass);
+}
+
+void CFXJSE_Value::SetObject(CFXJSE_HostObject* lpObject,
+ CFXJSE_Class* pClass) {
+ if (!pClass) {
+ ASSERT(!lpObject);
+ SetJSObject();
+ return;
+ }
+ SetHostObject(lpObject, pClass);
+}
+
+void CFXJSE_Value::SetHostObject(CFXJSE_HostObject* lpObject,
+ CFXJSE_Class* lpClass) {
+ CFXJSE_ScopeUtil_IsolateHandleRootContext scope(m_pIsolate);
+ ASSERT(lpClass);
+ v8::Local<v8::FunctionTemplate> hClass =
+ v8::Local<v8::FunctionTemplate>::New(m_pIsolate, lpClass->m_hTemplate);
+ v8::Local<v8::Object> hObject = hClass->InstanceTemplate()->NewInstance();
+ FXJSE_UpdateObjectBinding(hObject, lpObject);
+ m_hValue.Reset(m_pIsolate, hObject);
+}
+
+void CFXJSE_Value::SetArray(uint32_t uValueCount, CFXJSE_Value** rgValues) {
+ CFXJSE_ScopeUtil_IsolateHandleRootContext scope(m_pIsolate);
+ v8::Local<v8::Array> hArrayObject = v8::Array::New(m_pIsolate, uValueCount);
+ if (rgValues) {
+ for (uint32_t i = 0; i < uValueCount; i++) {
+ if (rgValues[i]) {
+ hArrayObject->Set(i, v8::Local<v8::Value>::New(
+ m_pIsolate, rgValues[i]->DirectGetValue()));
+ }
+ }
+ }
+ m_hValue.Reset(m_pIsolate, hArrayObject);
+}
+
+void CFXJSE_Value::SetDate(double dDouble) {
+ CFXJSE_ScopeUtil_IsolateHandleRootContext scope(m_pIsolate);
+ v8::Local<v8::Value> hDate = v8::Date::New(m_pIsolate, dDouble);
+ m_hValue.Reset(m_pIsolate, hDate);
+}
+
+FX_BOOL CFXJSE_Value::SetObjectProperty(const CFX_ByteStringC& szPropName,
+ CFXJSE_Value* lpPropValue) {
+ ASSERT(lpPropValue);
+ CFXJSE_ScopeUtil_IsolateHandleRootContext scope(m_pIsolate);
+ v8::Local<v8::Value> hObject =
+ v8::Local<v8::Value>::New(m_pIsolate, m_hValue);
+ if (!hObject->IsObject())
+ return FALSE;
+
+ v8::Local<v8::Value> hPropValue =
+ v8::Local<v8::Value>::New(m_pIsolate, lpPropValue->DirectGetValue());
+ return (FX_BOOL)hObject.As<v8::Object>()->Set(
+ v8::String::NewFromUtf8(m_pIsolate, szPropName.c_str(),
+ v8::String::kNormalString,
+ szPropName.GetLength()),
+ hPropValue);
+}
+
+FX_BOOL CFXJSE_Value::GetObjectProperty(const CFX_ByteStringC& szPropName,
+ CFXJSE_Value* lpPropValue) {
+ ASSERT(lpPropValue);
+ CFXJSE_ScopeUtil_IsolateHandleRootContext scope(m_pIsolate);
+ v8::Local<v8::Value> hObject =
+ v8::Local<v8::Value>::New(m_pIsolate, m_hValue);
+ if (!hObject->IsObject())
+ return FALSE;
+
+ v8::Local<v8::Value> hPropValue =
+ hObject.As<v8::Object>()->Get(v8::String::NewFromUtf8(
+ m_pIsolate, szPropName.c_str(), v8::String::kNormalString,
+ szPropName.GetLength()));
+ lpPropValue->ForceSetValue(hPropValue);
+ return TRUE;
+}
+
+FX_BOOL CFXJSE_Value::SetObjectProperty(uint32_t uPropIdx,
+ CFXJSE_Value* lpPropValue) {
+ CFXJSE_ScopeUtil_IsolateHandleRootContext scope(m_pIsolate);
+ v8::Local<v8::Value> hObject =
+ v8::Local<v8::Value>::New(m_pIsolate, m_hValue);
+ if (!hObject->IsObject())
+ return FALSE;
+
+ v8::Local<v8::Value> hPropValue =
+ v8::Local<v8::Value>::New(m_pIsolate, lpPropValue->DirectGetValue());
+ return (FX_BOOL)hObject.As<v8::Object>()->Set(uPropIdx, hPropValue);
+}
+
+FX_BOOL CFXJSE_Value::GetObjectPropertyByIdx(uint32_t uPropIdx,
+ CFXJSE_Value* lpPropValue) {
+ CFXJSE_ScopeUtil_IsolateHandleRootContext scope(m_pIsolate);
+ v8::Local<v8::Value> hObject =
+ v8::Local<v8::Value>::New(m_pIsolate, m_hValue);
+ if (!hObject->IsObject())
+ return FALSE;
+
+ v8::Local<v8::Value> hPropValue = hObject.As<v8::Object>()->Get(uPropIdx);
+ lpPropValue->ForceSetValue(hPropValue);
+ return TRUE;
+}
+
+FX_BOOL CFXJSE_Value::DeleteObjectProperty(const CFX_ByteStringC& szPropName) {
+ CFXJSE_ScopeUtil_IsolateHandleRootContext scope(m_pIsolate);
+ v8::Local<v8::Value> hObject =
+ v8::Local<v8::Value>::New(m_pIsolate, m_hValue);
+ if (!hObject->IsObject())
+ return FALSE;
+
+ hObject.As<v8::Object>()->Delete(v8::String::NewFromUtf8(
+ m_pIsolate, szPropName.c_str(), v8::String::kNormalString,
+ szPropName.GetLength()));
+ return TRUE;
+}
+
+FX_BOOL CFXJSE_Value::HasObjectOwnProperty(const CFX_ByteStringC& szPropName,
+ FX_BOOL bUseTypeGetter) {
+ CFXJSE_ScopeUtil_IsolateHandleRootContext scope(m_pIsolate);
+ v8::Local<v8::Value> hObject =
+ v8::Local<v8::Value>::New(m_pIsolate, m_hValue);
+ if (!hObject->IsObject())
+ return FALSE;
+
+ v8::Local<v8::String> hKey = v8::String::NewFromUtf8(
+ m_pIsolate, szPropName.c_str(), v8::String::kNormalString,
+ szPropName.GetLength());
+ return hObject.As<v8::Object>()->HasRealNamedProperty(hKey) ||
+ (bUseTypeGetter &&
+ hObject.As<v8::Object>()
+ ->HasOwnProperty(m_pIsolate->GetCurrentContext(), hKey)
+ .FromMaybe(false));
+}
+
+FX_BOOL CFXJSE_Value::SetObjectOwnProperty(const CFX_ByteStringC& szPropName,
+ CFXJSE_Value* lpPropValue) {
+ ASSERT(lpPropValue);
+ CFXJSE_ScopeUtil_IsolateHandleRootContext scope(m_pIsolate);
+ v8::Local<v8::Value> hObject =
+ v8::Local<v8::Value>::New(m_pIsolate, m_hValue);
+ if (!hObject->IsObject())
+ return FALSE;
+
+ v8::Local<v8::Value> pValue =
+ v8::Local<v8::Value>::New(m_pIsolate, lpPropValue->m_hValue);
+ return hObject.As<v8::Object>()
+ ->DefineOwnProperty(
+ m_pIsolate->GetCurrentContext(),
+ v8::String::NewFromUtf8(m_pIsolate, szPropName.c_str(),
+ v8::String::kNormalString,
+ szPropName.GetLength()),
+ pValue)
+ .FromMaybe(false);
+}
+
+FX_BOOL CFXJSE_Value::SetFunctionBind(CFXJSE_Value* lpOldFunction,
+ CFXJSE_Value* lpNewThis) {
+ ASSERT(lpOldFunction && lpNewThis);
+
+ CFXJSE_ScopeUtil_IsolateHandleRootContext scope(m_pIsolate);
+ v8::Local<v8::Value> rgArgs[2];
+ v8::Local<v8::Value> hOldFunction =
+ v8::Local<v8::Value>::New(m_pIsolate, lpOldFunction->DirectGetValue());
+ if (hOldFunction.IsEmpty() || !hOldFunction->IsFunction())
+ return FALSE;
+
+ rgArgs[0] = hOldFunction;
+ v8::Local<v8::Value> hNewThis =
+ v8::Local<v8::Value>::New(m_pIsolate, lpNewThis->DirectGetValue());
+ if (hNewThis.IsEmpty())
+ return FALSE;
+
+ rgArgs[1] = hNewThis;
+ v8::Local<v8::String> hBinderFuncSource =
+ v8::String::NewFromUtf8(m_pIsolate,
+ "(function (oldfunction, newthis) { return "
+ "oldfunction.bind(newthis); })");
+ v8::Local<v8::Function> hBinderFunc =
+ v8::Script::Compile(hBinderFuncSource)->Run().As<v8::Function>();
+ v8::Local<v8::Value> hBoundFunction =
+ hBinderFunc->Call(m_pIsolate->GetCurrentContext()->Global(), 2, rgArgs);
+ if (hBoundFunction.IsEmpty() || !hBoundFunction->IsFunction())
+ return FALSE;
+
+ m_hValue.Reset(m_pIsolate, hBoundFunction);
+ return TRUE;
+}
+
+#define FXJSE_INVALID_PTR ((void*)(intptr_t)-1)
+FX_BOOL CFXJSE_Value::Call(CFXJSE_Value* lpReceiver,
+ CFXJSE_Value* lpRetValue,
+ uint32_t nArgCount,
+ CFXJSE_Value** lpArgs) {
+ CFXJSE_ScopeUtil_IsolateHandleRootContext scope(m_pIsolate);
+ v8::Local<v8::Value> hFunctionValue =
+ v8::Local<v8::Value>::New(m_pIsolate, DirectGetValue());
+ v8::Local<v8::Object> hFunctionObject =
+ !hFunctionValue.IsEmpty() && hFunctionValue->IsObject()
+ ? hFunctionValue.As<v8::Object>()
+ : v8::Local<v8::Object>();
+
+ v8::TryCatch trycatch(m_pIsolate);
+ if (hFunctionObject.IsEmpty() || !hFunctionObject->IsCallable()) {
+ if (lpRetValue)
+ lpRetValue->ForceSetValue(FXJSE_CreateReturnValue(m_pIsolate, trycatch));
+ return FALSE;
+ }
+
+ v8::Local<v8::Value> hReturnValue;
+ v8::Local<v8::Value>* lpLocalArgs = NULL;
+ if (nArgCount) {
+ lpLocalArgs = FX_Alloc(v8::Local<v8::Value>, nArgCount);
+ for (uint32_t i = 0; i < nArgCount; i++) {
+ new (lpLocalArgs + i) v8::Local<v8::Value>;
+ CFXJSE_Value* lpArg = lpArgs[i];
+ if (lpArg) {
+ lpLocalArgs[i] =
+ v8::Local<v8::Value>::New(m_pIsolate, lpArg->DirectGetValue());
+ }
+ if (lpLocalArgs[i].IsEmpty()) {
+ lpLocalArgs[i] = v8::Undefined(m_pIsolate);
+ }
+ }
+ }
+
+ FX_BOOL bRetValue = TRUE;
+ if (lpReceiver == FXJSE_INVALID_PTR) {
+ v8::MaybeLocal<v8::Value> maybe_retvalue =
+ hFunctionObject->CallAsConstructor(m_pIsolate->GetCurrentContext(),
+ nArgCount, lpLocalArgs);
+ hReturnValue = maybe_retvalue.FromMaybe(v8::Local<v8::Value>());
+ } else {
+ v8::Local<v8::Value> hReceiver;
+ if (lpReceiver) {
+ hReceiver =
+ v8::Local<v8::Value>::New(m_pIsolate, lpReceiver->DirectGetValue());
+ }
+ if (hReceiver.IsEmpty() || !hReceiver->IsObject())
+ hReceiver = v8::Object::New(m_pIsolate);
+
+ v8::MaybeLocal<v8::Value> maybe_retvalue = hFunctionObject->CallAsFunction(
+ m_pIsolate->GetCurrentContext(), hReceiver, nArgCount, lpLocalArgs);
+ hReturnValue = maybe_retvalue.FromMaybe(v8::Local<v8::Value>());
+ }
+
+ if (trycatch.HasCaught()) {
+ hReturnValue = FXJSE_CreateReturnValue(m_pIsolate, trycatch);
+ bRetValue = FALSE;
+ }
+
+ if (lpRetValue)
+ lpRetValue->ForceSetValue(hReturnValue);
+
+ if (lpLocalArgs) {
+ for (uint32_t i = 0; i < nArgCount; i++)
+ lpLocalArgs[i].~Local();
+ FX_Free(lpLocalArgs);
+ }
+ return bRetValue;
+}