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-rw-r--r--fxjse/value.cpp348
1 files changed, 0 insertions, 348 deletions
diff --git a/fxjse/value.cpp b/fxjse/value.cpp
deleted file mode 100644
index aba640210a..0000000000
--- a/fxjse/value.cpp
+++ /dev/null
@@ -1,348 +0,0 @@
-// 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"
-
-namespace {
-
-double FXJSE_ftod(FX_FLOAT fNumber) {
- static_assert(sizeof(FX_FLOAT) == 4, "FX_FLOAT of incorrect size");
-
- uint32_t nFloatBits = (uint32_t&)fNumber;
- uint8_t nExponent = (uint8_t)(nFloatBits >> 23);
- if (nExponent == 0 || nExponent == 255)
- return fNumber;
-
- int8_t nErrExp = nExponent - 150;
- if (nErrExp >= 0)
- return fNumber;
-
- double dwError = pow(2.0, nErrExp), dwErrorHalf = dwError / 2;
- double dNumber = fNumber, dNumberAbs = fabs(fNumber);
- double dNumberAbsMin = dNumberAbs - dwErrorHalf,
- dNumberAbsMax = dNumberAbs + dwErrorHalf;
- int32_t iErrPos = 0;
- if (floor(dNumberAbsMin) == floor(dNumberAbsMax)) {
- dNumberAbsMin = fmod(dNumberAbsMin, 1.0);
- dNumberAbsMax = fmod(dNumberAbsMax, 1.0);
- int32_t iErrPosMin = 1, iErrPosMax = 38;
- do {
- int32_t iMid = (iErrPosMin + iErrPosMax) / 2;
- double dPow = pow(10.0, iMid);
- if (floor(dNumberAbsMin * dPow) == floor(dNumberAbsMax * dPow)) {
- iErrPosMin = iMid + 1;
- } else {
- iErrPosMax = iMid;
- }
- } while (iErrPosMin < iErrPosMax);
- iErrPos = iErrPosMax;
- }
- double dPow = pow(10.0, iErrPos);
- return fNumber < 0 ? ceil(dNumber * dPow - 0.5) / dPow
- : floor(dNumber * dPow + 0.5) / dPow;
-}
-
-} // namespace
-
-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_Value::CFXJSE_Value(v8::Isolate* pIsolate) : m_pIsolate(pIsolate) {}
-
-CFXJSE_Value::~CFXJSE_Value() {}
-
-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);
-}
-
-void CFXJSE_Value::SetFloat(FX_FLOAT fFloat) {
- CFXJSE_ScopeUtil_IsolateHandle scope(m_pIsolate);
- v8::Local<v8::Value> pValue = v8::Number::New(m_pIsolate, FXJSE_ftod(fFloat));
- m_hValue.Reset(m_pIsolate, pValue);
-}
-
-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;
-}