Coverage Report

Created: 2024-11-21 21:13

/root/doris/be/src/geo/ByteOrderValues.cpp
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// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements.  See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership.  The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License.  You may obtain a copy of the License at
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//
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//   http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied.  See the License for the
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// specific language governing permissions and limitations
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// under the License.
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#include "ByteOrderValues.h"
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#include <stdint.h>
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#include <cstring>
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namespace doris {
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int32_t ByteOrderValues::getInt(const unsigned char* buf, int byteOrder) {
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    if (byteOrder == ENDIAN_BIG) {
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        return ((int32_t)(buf[0] & 0xff) << 24) | ((int32_t)(buf[1] & 0xff) << 16) |
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               ((int32_t)(buf[2] & 0xff) << 8) | ((int32_t)(buf[3] & 0xff));
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    } else { // ENDIAN_LITTLE
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        return ((int32_t)(buf[3] & 0xff) << 24) | ((int32_t)(buf[2] & 0xff) << 16) |
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               ((int32_t)(buf[1] & 0xff) << 8) | ((int32_t)(buf[0] & 0xff));
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    }
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}
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uint32_t ByteOrderValues::getUnsigned(const unsigned char* buf, int byteOrder) {
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    if (byteOrder == ENDIAN_BIG) {
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        return ((uint32_t)(buf[0] & 0xff) << 24) | ((uint32_t)(buf[1] & 0xff) << 16) |
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               ((uint32_t)(buf[2] & 0xff) << 8) | ((uint32_t)(buf[3] & 0xff));
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    } else { // ENDIAN_LITTLE
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        return ((uint32_t)(buf[3] & 0xff) << 24) | ((uint32_t)(buf[2] & 0xff) << 16) |
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               ((uint32_t)(buf[1] & 0xff) << 8) | ((uint32_t)(buf[0] & 0xff));
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    }
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}
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void ByteOrderValues::putInt(int32_t intValue, unsigned char* buf, int byteOrder) {
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    if (byteOrder == ENDIAN_BIG) {
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        buf[0] = (unsigned char)(intValue >> 24);
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        buf[1] = (unsigned char)(intValue >> 16);
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        buf[2] = (unsigned char)(intValue >> 8);
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        buf[3] = (unsigned char)intValue;
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    } else { // ENDIAN_LITTLE
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        buf[3] = (unsigned char)(intValue >> 24);
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        buf[2] = (unsigned char)(intValue >> 16);
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        buf[1] = (unsigned char)(intValue >> 8);
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        buf[0] = (unsigned char)intValue;
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    }
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}
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void ByteOrderValues::putUnsigned(uint32_t intValue, unsigned char* buf, int byteOrder) {
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    if (byteOrder == ENDIAN_BIG) {
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        buf[0] = (unsigned char)(intValue >> 24);
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        buf[1] = (unsigned char)(intValue >> 16);
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        buf[2] = (unsigned char)(intValue >> 8);
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        buf[3] = (unsigned char)intValue;
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    } else { // ENDIAN_LITTLE
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        buf[3] = (unsigned char)(intValue >> 24);
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        buf[2] = (unsigned char)(intValue >> 16);
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        buf[1] = (unsigned char)(intValue >> 8);
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        buf[0] = (unsigned char)intValue;
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    }
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}
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int64_t ByteOrderValues::getLong(const unsigned char* buf, int byteOrder) {
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    if (byteOrder == ENDIAN_BIG) {
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        return (int64_t)(buf[0]) << 56 | (int64_t)(buf[1] & 0xff) << 48 |
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               (int64_t)(buf[2] & 0xff) << 40 | (int64_t)(buf[3] & 0xff) << 32 |
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               (int64_t)(buf[4] & 0xff) << 24 | (int64_t)(buf[5] & 0xff) << 16 |
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               (int64_t)(buf[6] & 0xff) << 8 | (int64_t)(buf[7] & 0xff);
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    } else { // ENDIAN_LITTLE
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        return (int64_t)(buf[7]) << 56 | (int64_t)(buf[6] & 0xff) << 48 |
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               (int64_t)(buf[5] & 0xff) << 40 | (int64_t)(buf[4] & 0xff) << 32 |
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               (int64_t)(buf[3] & 0xff) << 24 | (int64_t)(buf[2] & 0xff) << 16 |
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               (int64_t)(buf[1] & 0xff) << 8 | (int64_t)(buf[0] & 0xff);
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    }
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}
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void ByteOrderValues::putLong(int64_t longValue, unsigned char* buf, int byteOrder) {
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    if (byteOrder == ENDIAN_BIG) {
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        buf[0] = (unsigned char)(longValue >> 56);
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        buf[1] = (unsigned char)(longValue >> 48);
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        buf[2] = (unsigned char)(longValue >> 40);
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        buf[3] = (unsigned char)(longValue >> 32);
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        buf[4] = (unsigned char)(longValue >> 24);
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        buf[5] = (unsigned char)(longValue >> 16);
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        buf[6] = (unsigned char)(longValue >> 8);
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        buf[7] = (unsigned char)longValue;
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    } else { // ENDIAN_LITTLE
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        buf[0] = (unsigned char)longValue;
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        buf[1] = (unsigned char)(longValue >> 8);
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        buf[2] = (unsigned char)(longValue >> 16);
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        buf[3] = (unsigned char)(longValue >> 24);
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        buf[4] = (unsigned char)(longValue >> 32);
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        buf[5] = (unsigned char)(longValue >> 40);
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        buf[6] = (unsigned char)(longValue >> 48);
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        buf[7] = (unsigned char)(longValue >> 56);
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    }
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}
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double ByteOrderValues::getDouble(const unsigned char* buf, int byteOrder) {
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    int64_t longValue = getLong(buf, byteOrder);
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    double ret;
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    std::memcpy(&ret, &longValue, sizeof(double));
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    return ret;
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}
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void ByteOrderValues::putDouble(double doubleValue, unsigned char* buf, int byteOrder) {
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    int64_t longValue;
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    std::memcpy(&longValue, &doubleValue, sizeof(double));
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    putLong(longValue, buf, byteOrder);
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}
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} // namespace doris