525 lines
11 KiB
C
525 lines
11 KiB
C
/*
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* $Id$
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*
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Copyright (c) 2015-2016 Chung, Hyung-Hwan. All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR
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IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WAfRRANTIES
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OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "mio-prv.h"
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/* ========================================================================= */
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#if defined(MIO_HAVE_UINT16_T)
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mio_uint16_t mio_ntoh16 (mio_uint16_t x)
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{
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#if defined(MIO_ENDIAN_BIG)
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return x;
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#elif defined(MIO_ENDIAN_LITTLE)
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mio_uint8_t* c = (mio_uint8_t*)&x;
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return (mio_uint16_t)(
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((mio_uint16_t)c[0] << 8) |
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((mio_uint16_t)c[1] << 0));
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#else
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# error Unknown endian
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#endif
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}
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mio_uint16_t mio_hton16 (mio_uint16_t x)
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{
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#if defined(MIO_ENDIAN_BIG)
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return x;
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#elif defined(MIO_ENDIAN_LITTLE)
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mio_uint8_t* c = (mio_uint8_t*)&x;
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return (mio_uint16_t)(
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((mio_uint16_t)c[0] << 8) |
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((mio_uint16_t)c[1] << 0));
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#else
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# error Unknown endian
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#endif
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}
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#endif
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/* ========================================================================= */
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#if defined(MIO_HAVE_UINT32_T)
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mio_uint32_t mio_ntoh32 (mio_uint32_t x)
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{
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#if defined(MIO_ENDIAN_BIG)
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return x;
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#elif defined(MIO_ENDIAN_LITTLE)
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mio_uint8_t* c = (mio_uint8_t*)&x;
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return (mio_uint32_t)(
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((mio_uint32_t)c[0] << 24) |
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((mio_uint32_t)c[1] << 16) |
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((mio_uint32_t)c[2] << 8) |
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((mio_uint32_t)c[3] << 0));
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#else
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# error Unknown endian
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#endif
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}
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mio_uint32_t mio_hton32 (mio_uint32_t x)
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{
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#if defined(MIO_ENDIAN_BIG)
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return x;
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#elif defined(MIO_ENDIAN_LITTLE)
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mio_uint8_t* c = (mio_uint8_t*)&x;
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return (mio_uint32_t)(
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((mio_uint32_t)c[0] << 24) |
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((mio_uint32_t)c[1] << 16) |
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((mio_uint32_t)c[2] << 8) |
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((mio_uint32_t)c[3] << 0));
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#else
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# error Unknown endian
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#endif
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}
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#endif
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/* ========================================================================= */
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#if defined(MIO_HAVE_UINT64_T)
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mio_uint64_t mio_ntoh64 (mio_uint64_t x)
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{
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#if defined(MIO_ENDIAN_BIG)
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return x;
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#elif defined(MIO_ENDIAN_LITTLE)
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mio_uint8_t* c = (mio_uint8_t*)&x;
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return (mio_uint64_t)(
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((mio_uint64_t)c[0] << 56) |
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((mio_uint64_t)c[1] << 48) |
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((mio_uint64_t)c[2] << 40) |
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((mio_uint64_t)c[3] << 32) |
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((mio_uint64_t)c[4] << 24) |
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((mio_uint64_t)c[5] << 16) |
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((mio_uint64_t)c[6] << 8) |
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((mio_uint64_t)c[7] << 0));
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#else
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# error Unknown endian
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#endif
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}
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mio_uint64_t mio_hton64 (mio_uint64_t x)
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{
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#if defined(MIO_ENDIAN_BIG)
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return x;
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#elif defined(MIO_ENDIAN_LITTLE)
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mio_uint8_t* c = (mio_uint8_t*)&x;
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return (mio_uint64_t)(
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((mio_uint64_t)c[0] << 56) |
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((mio_uint64_t)c[1] << 48) |
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((mio_uint64_t)c[2] << 40) |
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((mio_uint64_t)c[3] << 32) |
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((mio_uint64_t)c[4] << 24) |
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((mio_uint64_t)c[5] << 16) |
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((mio_uint64_t)c[6] << 8) |
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((mio_uint64_t)c[7] << 0));
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#else
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# error Unknown endian
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#endif
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}
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#endif
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/* ========================================================================= */
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#if defined(MIO_HAVE_UINT128_T)
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mio_uint128_t mio_ntoh128 (mio_uint128_t x)
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{
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#if defined(MIO_ENDIAN_BIG)
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return x;
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#elif defined(MIO_ENDIAN_LITTLE)
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mio_uint8_t* c = (mio_uint8_t*)&x;
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return (mio_uint128_t)(
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((mio_uint128_t)c[0] << 120) |
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((mio_uint128_t)c[1] << 112) |
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((mio_uint128_t)c[2] << 104) |
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((mio_uint128_t)c[3] << 96) |
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((mio_uint128_t)c[4] << 88) |
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((mio_uint128_t)c[5] << 80) |
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((mio_uint128_t)c[6] << 72) |
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((mio_uint128_t)c[7] << 64) |
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((mio_uint128_t)c[8] << 56) |
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((mio_uint128_t)c[9] << 48) |
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((mio_uint128_t)c[10] << 40) |
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((mio_uint128_t)c[11] << 32) |
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((mio_uint128_t)c[12] << 24) |
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((mio_uint128_t)c[13] << 16) |
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((mio_uint128_t)c[14] << 8) |
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((mio_uint128_t)c[15] << 0));
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#else
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# error Unknown endian
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#endif
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}
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mio_uint128_t mio_hton128 (mio_uint128_t x)
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{
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#if defined(MIO_ENDIAN_BIG)
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return x;
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#elif defined(MIO_ENDIAN_LITTLE)
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mio_uint8_t* c = (mio_uint8_t*)&x;
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return (mio_uint128_t)(
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((mio_uint128_t)c[0] << 120) |
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((mio_uint128_t)c[1] << 112) |
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((mio_uint128_t)c[2] << 104) |
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((mio_uint128_t)c[3] << 96) |
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((mio_uint128_t)c[4] << 88) |
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((mio_uint128_t)c[5] << 80) |
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((mio_uint128_t)c[6] << 72) |
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((mio_uint128_t)c[7] << 64) |
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((mio_uint128_t)c[8] << 56) |
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((mio_uint128_t)c[9] << 48) |
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((mio_uint128_t)c[10] << 40) |
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((mio_uint128_t)c[11] << 32) |
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((mio_uint128_t)c[12] << 24) |
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((mio_uint128_t)c[13] << 16) |
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((mio_uint128_t)c[14] << 8) |
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((mio_uint128_t)c[15] << 0));
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#else
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# error Unknown endian
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#endif
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}
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#endif
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/* ========================================================================= */
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#define IS_MSPACE(x) ((x) == MIO_MT(' ') || (x) == MIO_MT('\t') || (x) == MIO_MT('\n') || (x) == MIO_MT('\r'))
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mio_mchar_t* mio_mbsdup (mio_t* mio, const mio_mchar_t* src)
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{
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mio_mchar_t* dst;
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mio_size_t len;
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dst = (mio_mchar_t*)src;
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while (*dst != MIO_MT('\0')) dst++;
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len = dst - src;
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dst = MIO_MMGR_ALLOC (mio->mmgr, (len + 1) * MIO_SIZEOF(*src));
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if (!dst)
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{
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mio->errnum = MIO_ENOMEM;
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return MIO_NULL;
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}
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MIO_MEMCPY (dst, src, (len + 1) * MIO_SIZEOF(*src));
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return dst;
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}
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mio_size_t mio_mbscpy (mio_mchar_t* buf, const mio_mchar_t* str)
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{
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mio_mchar_t* org = buf;
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while ((*buf++ = *str++) != MIO_MT('\0'));
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return buf - org - 1;
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}
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int mio_mbsspltrn (
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mio_mchar_t* s, const mio_mchar_t* delim,
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mio_mchar_t lquote, mio_mchar_t rquote,
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mio_mchar_t escape, const mio_mchar_t* trset)
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{
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mio_mchar_t* p = s, *d;
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mio_mchar_t* sp = MIO_NULL, * ep = MIO_NULL;
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int delim_mode;
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int cnt = 0;
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if (delim == MIO_NULL) delim_mode = 0;
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else
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{
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delim_mode = 1;
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for (d = (mio_mchar_t*)delim; *d != MIO_MT('\0'); d++)
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if (!IS_MSPACE(*d)) delim_mode = 2;
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}
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if (delim_mode == 0)
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{
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/* skip preceding space characters */
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while (IS_MSPACE(*p)) p++;
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/* when 0 is given as "delim", it has an effect of cutting
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preceding and trailing space characters off "s". */
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if (lquote != MIO_MT('\0') && *p == lquote)
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{
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mio_mbscpy (p, p + 1);
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for (;;)
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{
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if (*p == MIO_MT('\0')) return -1;
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if (escape != MIO_MT('\0') && *p == escape)
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{
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if (trset != MIO_NULL && p[1] != MIO_MT('\0'))
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{
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const mio_mchar_t* ep = trset;
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while (*ep != MIO_MT('\0'))
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{
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if (p[1] == *ep++)
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{
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p[1] = *ep;
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break;
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}
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}
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}
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mio_mbscpy (p, p + 1);
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}
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else
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{
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if (*p == rquote)
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{
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p++;
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break;
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}
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}
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if (sp == 0) sp = p;
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ep = p;
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p++;
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}
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while (IS_MSPACE(*p)) p++;
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if (*p != MIO_MT('\0')) return -1;
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if (sp == 0 && ep == 0) s[0] = MIO_MT('\0');
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else
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{
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ep[1] = MIO_MT('\0');
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if (s != (mio_mchar_t*)sp) mio_mbscpy (s, sp);
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cnt++;
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}
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}
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else
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{
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while (*p)
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{
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if (!IS_MSPACE(*p))
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{
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if (sp == 0) sp = p;
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ep = p;
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}
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p++;
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}
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if (sp == 0 && ep == 0) s[0] = MIO_MT('\0');
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else
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{
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ep[1] = MIO_MT('\0');
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if (s != (mio_mchar_t*)sp) mio_mbscpy (s, sp);
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cnt++;
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}
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}
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}
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else if (delim_mode == 1)
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{
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mio_mchar_t* o;
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while (*p)
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{
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o = p;
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while (IS_MSPACE(*p)) p++;
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if (o != p) { mio_mbscpy (o, p); p = o; }
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if (lquote != MIO_MT('\0') && *p == lquote)
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{
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mio_mbscpy (p, p + 1);
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for (;;)
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{
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if (*p == MIO_MT('\0')) return -1;
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if (escape != MIO_MT('\0') && *p == escape)
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{
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if (trset != MIO_NULL && p[1] != MIO_MT('\0'))
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{
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const mio_mchar_t* ep = trset;
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while (*ep != MIO_MT('\0'))
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{
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if (p[1] == *ep++)
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{
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p[1] = *ep;
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break;
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}
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}
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}
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mio_mbscpy (p, p + 1);
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}
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else
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{
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if (*p == rquote)
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{
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*p++ = MIO_MT('\0');
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cnt++;
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break;
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}
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}
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p++;
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}
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}
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else
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{
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o = p;
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for (;;)
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{
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if (*p == MIO_MT('\0'))
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{
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if (o != p) cnt++;
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break;
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}
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if (IS_MSPACE (*p))
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{
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*p++ = MIO_MT('\0');
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cnt++;
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break;
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}
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p++;
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}
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}
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}
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}
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else /* if (delim_mode == 2) */
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{
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mio_mchar_t* o;
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int ok;
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while (*p != MIO_MT('\0'))
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{
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o = p;
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while (IS_MSPACE(*p)) p++;
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if (o != p) { mio_mbscpy (o, p); p = o; }
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if (lquote != MIO_MT('\0') && *p == lquote)
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{
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mio_mbscpy (p, p + 1);
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for (;;)
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{
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if (*p == MIO_MT('\0')) return -1;
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if (escape != MIO_MT('\0') && *p == escape)
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{
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if (trset != MIO_NULL && p[1] != MIO_MT('\0'))
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{
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const mio_mchar_t* ep = trset;
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while (*ep != MIO_MT('\0'))
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{
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if (p[1] == *ep++)
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{
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p[1] = *ep;
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break;
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}
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}
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}
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mio_mbscpy (p, p + 1);
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}
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else
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{
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if (*p == rquote)
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{
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*p++ = MIO_MT('\0');
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cnt++;
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break;
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}
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}
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p++;
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}
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ok = 0;
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while (IS_MSPACE(*p)) p++;
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if (*p == MIO_MT('\0')) ok = 1;
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for (d = (mio_mchar_t*)delim; *d != MIO_MT('\0'); d++)
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{
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if (*p == *d)
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{
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ok = 1;
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mio_mbscpy (p, p + 1);
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break;
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}
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}
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if (ok == 0) return -1;
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}
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else
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{
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o = p; sp = ep = 0;
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for (;;)
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{
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if (*p == MIO_MT('\0'))
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{
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if (ep)
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{
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ep[1] = MIO_MT('\0');
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p = &ep[1];
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}
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cnt++;
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break;
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}
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for (d = (mio_mchar_t*)delim; *d != MIO_MT('\0'); d++)
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{
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if (*p == *d)
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{
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if (sp == MIO_NULL)
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{
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mio_mbscpy (o, p); p = o;
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*p++ = MIO_MT('\0');
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}
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else
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{
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mio_mbscpy (&ep[1], p);
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mio_mbscpy (o, sp);
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o[ep - sp + 1] = MIO_MT('\0');
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p = &o[ep - sp + 2];
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}
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cnt++;
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/* last empty field after delim */
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if (*p == MIO_MT('\0')) cnt++;
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goto exit_point;
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}
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}
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if (!IS_MSPACE (*p))
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{
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if (sp == MIO_NULL) sp = p;
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ep = p;
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}
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p++;
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}
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exit_point:
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;
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}
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}
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}
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return cnt;
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}
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int mio_mbsspl (
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mio_mchar_t* s, const mio_mchar_t* delim,
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mio_mchar_t lquote, mio_mchar_t rquote, mio_mchar_t escape)
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{
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return mio_mbsspltrn (s, delim, lquote, rquote, escape, MIO_NULL);
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}
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