81 lines
1.8 KiB
C
81 lines
1.8 KiB
C
/* sv.c: String View implementation
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* Created: 2026-03-10
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* Author: Aryadev Chavali
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* License: See end of file
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* Commentary:
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Taken from https://github.com/oreodave/prick - prick_sv.
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*/
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#include <stddef.h>
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#include <string.h>
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#include "sv.h"
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sv_t sv_chop_left(sv_t sv, uint64_t size)
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{
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if (sv.size <= size)
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return SV(NULL, 0);
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return SV(sv.data + size, sv.size - size);
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}
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sv_t sv_chop_right(sv_t sv, uint64_t size)
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{
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if (sv.size <= size)
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return SV(NULL, 0);
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return SV(sv.data, sv.size - size);
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}
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sv_t sv_truncate(sv_t sv, uint64_t newsize)
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{
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if (newsize > sv.size)
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return SV(NULL, 0);
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return SV(sv.data, newsize);
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}
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sv_t sv_substr(sv_t sv, uint64_t position, uint64_t size)
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{
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sv_t result = sv_truncate(sv_chop_left(sv, position), size);
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return result;
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}
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sv_t sv_till(sv_t sv, const char *reject)
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{
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if (sv.size == 0 || !sv.data)
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return SV(NULL, 0);
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uint64_t offset;
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for (offset = 0; offset < sv.size && strchr(reject, sv.data[offset]) == NULL;
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++offset)
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continue;
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return sv_truncate(sv, offset);
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}
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sv_t sv_while(sv_t sv, const char *accept)
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{
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if (sv.size == 0 || !sv.data)
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return SV(NULL, 0);
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uint64_t offset;
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for (offset = 0; offset < sv.size && strchr(accept, sv.data[offset]) != NULL;
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++offset)
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continue;
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return sv_truncate(sv, offset);
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}
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/* Copyright (C) 2026 Aryadev Chavali
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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Public License Version 2
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* for details.
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* You may distribute and modify this code under the terms of the
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* GNU General Public License Version 2, which you should have received a copy
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of along with this
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* program. If not, please go to <https://www.gnu.org/licenses/>.
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*/
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