109 lines
2.8 KiB
C++
109 lines
2.8 KiB
C++
/*
|
|
* Copyright 2020 The Android Open Source Project
|
|
*
|
|
* 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 ART_LIBARTBASE_BASE_ENDIAN_UTILS_H_
|
|
#define ART_LIBARTBASE_BASE_ENDIAN_UTILS_H_
|
|
|
|
#include <stdint.h>
|
|
#include <endian.h>
|
|
#include <vector>
|
|
|
|
namespace art {
|
|
|
|
template<typename T>
|
|
inline void AppendBytes(std::vector<uint8_t>& bytes, T data) {
|
|
size_t size = bytes.size();
|
|
bytes.resize(size + sizeof(T));
|
|
memcpy(bytes.data() + size, &data, sizeof(T));
|
|
}
|
|
|
|
inline void Append1BE(std::vector<uint8_t>& bytes, uint8_t value) {
|
|
bytes.push_back(value);
|
|
}
|
|
|
|
inline void Append2BE(std::vector<uint8_t>& bytes, uint16_t value) {
|
|
AppendBytes<uint16_t>(bytes, htobe16(value));
|
|
}
|
|
|
|
inline void Append4BE(std::vector<uint8_t>& bytes, uint32_t value) {
|
|
AppendBytes<uint32_t>(bytes, htobe32(value));
|
|
}
|
|
|
|
inline void Append8BE(std::vector<uint8_t>& bytes, uint64_t value) {
|
|
AppendBytes<uint64_t>(bytes, htobe64(value));
|
|
}
|
|
|
|
inline void AppendUtf16BE(std::vector<uint8_t>& bytes, const uint16_t* chars, size_t char_count) {
|
|
Append4BE(bytes, char_count);
|
|
for (size_t i = 0; i < char_count; ++i) {
|
|
Append2BE(bytes, chars[i]);
|
|
}
|
|
}
|
|
|
|
inline void AppendUtf16CompressedBE(std::vector<uint8_t>& bytes,
|
|
const uint8_t* chars,
|
|
size_t char_count) {
|
|
Append4BE(bytes, char_count);
|
|
for (size_t i = 0; i < char_count; ++i) {
|
|
Append2BE(bytes, static_cast<uint16_t>(chars[i]));
|
|
}
|
|
}
|
|
|
|
template <typename T>
|
|
inline void SetBytes(uint8_t* buf, T val) {
|
|
memcpy(buf, &val, sizeof(T));
|
|
}
|
|
|
|
inline void Set1(uint8_t* buf, uint8_t val) {
|
|
*buf = val;
|
|
}
|
|
|
|
inline void Set2BE(uint8_t* buf, uint16_t val) {
|
|
SetBytes<uint16_t>(buf, htobe16(val));
|
|
}
|
|
|
|
inline void Set4BE(uint8_t* buf, uint32_t val) {
|
|
SetBytes<uint32_t>(buf, htobe32(val));
|
|
}
|
|
|
|
inline void Set8BE(uint8_t* buf, uint64_t val) {
|
|
SetBytes<uint64_t>(buf, htobe64(val));
|
|
}
|
|
|
|
inline void Write1BE(uint8_t** dst, uint8_t value) {
|
|
Set1(*dst, value);
|
|
*dst += sizeof(value);
|
|
}
|
|
|
|
inline void Write2BE(uint8_t** dst, uint16_t value) {
|
|
Set2BE(*dst, value);
|
|
*dst += sizeof(value);
|
|
}
|
|
|
|
inline void Write4BE(uint8_t** dst, uint32_t value) {
|
|
Set4BE(*dst, value);
|
|
*dst += sizeof(value);
|
|
}
|
|
|
|
inline void Write8BE(uint8_t** dst, uint64_t value) {
|
|
Set8BE(*dst, value);
|
|
*dst += sizeof(value);
|
|
}
|
|
|
|
} // namespace art
|
|
|
|
#endif // ART_LIBARTBASE_BASE_ENDIAN_UTILS_H_
|