escargot/src/runtime/serialization/Serializer.cpp
Seonghyun Kim 50215a5ce8 Check wrong input in Serializer::deserializeFrom
Signed-off-by: Seonghyun Kim <sh8281.kim@samsung.com>
2026-04-08 10:00:03 +09:00

96 lines
3.7 KiB
C++

/*
* Copyright (c) 2021-present Samsung Electronics Co., Ltd
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
* USA
*/
#include "Escargot.h"
#include "Serializer.h"
#include "runtime/serialization/SerializedBigIntValue.h"
#include "runtime/serialization/SerializedBooleanValue.h"
#include "runtime/serialization/SerializedNullValue.h"
#include "runtime/serialization/SerializedNumberValue.h"
#include "runtime/serialization/SerializedSharedArrayBufferObjectValue.h"
#include "runtime/serialization/SerializedStringValue.h"
#include "runtime/serialization/SerializedSymbolValue.h"
#include "runtime/serialization/SerializedUndefinedValue.h"
namespace Escargot {
std::unique_ptr<SerializedValue> Serializer::serialize(const Value& value)
{
if (value.isUndefined()) {
return std::unique_ptr<SerializedValue>(new SerializedUndefinedValue());
} else if (value.isNull()) {
return std::unique_ptr<SerializedValue>(new SerializedNullValue());
} else if (value.isBoolean()) {
return std::unique_ptr<SerializedValue>(new SerializedBooleanValue(value.asBoolean()));
} else if (value.isNumber()) {
return std::unique_ptr<SerializedValue>(new SerializedNumberValue(value.asNumber()));
} else if (value.isString()) {
return std::unique_ptr<SerializedValue>(new SerializedStringValue(value.asString()->toNonGCUTF8StringData()));
} else if (value.isBigInt()) {
return std::unique_ptr<SerializedValue>(new SerializedBigIntValue(value.asBigInt()->toString()->toNonGCUTF8StringData()));
} else if (value.isSymbol()) {
if (value.asSymbol()->descriptionString()->length()) {
return std::unique_ptr<SerializedValue>(new SerializedSymbolValue(value.asSymbol()->descriptionString()->toNonGCUTF8StringData()));
} else {
return std::unique_ptr<SerializedValue>(new SerializedSymbolValue());
}
} else if (value.isObject()) {
#if defined(ENABLE_THREADING)
if (value.asObject()->isSharedArrayBufferObject()) {
return std::unique_ptr<SerializedValue>(new SerializedSharedArrayBufferObjectValue(
value.asObject()->asSharedArrayBufferObject()->backingStore()->sharedDataBlockInfo()));
}
#endif
}
return nullptr;
}
bool Serializer::serializeInto(const Value& value, std::ostringstream& output)
{
auto sv = serialize(value);
if (sv) {
sv->serializeInto(output);
return true;
}
return false;
}
std::unique_ptr<SerializedValue> Serializer::deserializeFrom(std::istringstream& input)
{
unsigned char type;
input >> type;
switch (type) {
#define DECLARE_SERIALIZABLE_TYPE(name) \
case SerializedValue::Type::name: \
return Serialized##name##Value::deserializeFrom(input);
FOR_EACH_SERIALIZABLE_TYPE(DECLARE_SERIALIZABLE_TYPE)
#undef DECLARE_SERIALIZABLE_TYPE
#if defined(ENABLE_THREADING)
case SerializedValue::Type::SharedArrayBufferObject:
return SerializedSharedArrayBufferObjectValue::deserializeFrom(input);
#endif
default:
break;
}
return nullptr;
}
} // namespace Escargot