arkcompiler_ets_runtime/ecmascript/base/json_helper.h
xwcai98 8a1dc43008 Opt JsonStringifier
Issue: https://gitee.com/openharmony/arkcompiler_ets_runtime/issues/IAKGKR

Signed-off-by: xwcai98 <caixinwei5@huawei.com>
Change-Id: I4445f3e7fbfa4c10e339e2e629551bd801856b8b
2024-08-20 17:26:25 +08:00

92 lines
2.9 KiB
C++

/*
* Copyright (c) 2023 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ECMASCRIPT_BASE_JSON_HELPER_H
#define ECMASCRIPT_BASE_JSON_HELPER_H
#include "ecmascript/js_handle.h"
#include "ecmascript/mem/c_string.h"
#include "ecmascript/property_attributes.h"
namespace panda::ecmascript::base {
constexpr int HEX_DIGIT_MASK = 0xF;
constexpr int HEX_SHIFT_THREE = 12;
constexpr int HEX_SHIFT_TWO = 8;
constexpr int HEX_SHIFT_ONE = 4;
class JsonHelper {
public:
enum class TransformType : uint32_t {
SENDABLE = 1,
NORMAL = 2,
BIGINT = 3
};
enum class BigIntMode : uint8_t {
DEFAULT,
PARSE_AS_BIGINT,
ALWAYS_PARSE_AS_BIGINT
};
enum class ParseReturnType : uint8_t {
OBJECT,
MAP
};
struct ParseOptions {
BigIntMode bigIntMode = BigIntMode::DEFAULT;
ParseReturnType returnType = ParseReturnType::OBJECT;
ParseOptions() = default;
ParseOptions(BigIntMode bigIntMode, ParseReturnType returnType)
{
this->bigIntMode = bigIntMode;
this->returnType = returnType;
}
};
static inline bool IsTypeSupportBigInt(TransformType type)
{
return type == TransformType::SENDABLE || type == TransformType::BIGINT;
}
static inline void AppendUnicodeEscape(int ch, CString& output)
{
static constexpr char HEX_DIGIT[] = "0123456789abcdef";
output += "\\u";
output += HEX_DIGIT[(ch >> HEX_SHIFT_THREE) & HEX_DIGIT_MASK];
output += HEX_DIGIT[(ch >> HEX_SHIFT_TWO) & HEX_DIGIT_MASK];
output += HEX_DIGIT[(ch >> HEX_SHIFT_ONE) & HEX_DIGIT_MASK];
output += HEX_DIGIT[ch & HEX_DIGIT_MASK];
}
static bool IsFastValueToQuotedString(const CString& str);
static void AppendValueToQuotedString(const CString& str, CString& output);
static inline bool CompareKey(const std::pair<JSHandle<JSTaggedValue>, PropertyAttributes> &a,
const std::pair<JSHandle<JSTaggedValue>, PropertyAttributes> &b)
{
return a.second.GetDictionaryOrder() < b.second.GetDictionaryOrder();
}
static inline bool CompareNumber(const JSHandle<JSTaggedValue> &a, const JSHandle<JSTaggedValue> &b)
{
return a->GetNumber() < b->GetNumber();
}
};
} // namespace panda::ecmascript::base
#endif // ECMASCRIPT_BASE_UTF_JSON_H