56 lines
1.9 KiB
C
56 lines
1.9 KiB
C
/* Skipping sequences of characters satisfying a predicate
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Copyright 2023-2025 Free Software Foundation, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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#include "mcel.h"
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_GL_INLINE_HEADER_BEGIN
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#ifndef SKIPCHARS_INLINE
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# define SKIPCHARS_INLINE _GL_INLINE
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#endif
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/* Return the address just past the leading sequence of possibly
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multi-byte characters or encoding errors G in STR that satisfy
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PREDICATE (G) if OK is true, or that do not satisfy the predicate
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call if OK is false. */
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SKIPCHARS_INLINE char *
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skip_str_matching (char const *str, bool (*predicate) (mcel_t), bool ok)
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{
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char const *s = str;
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for (mcel_t g; *s && predicate (g = mcel_scanz (s)) == ok;
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s += g.len)
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continue;
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return (char *) s;
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}
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/* Return the address just past the leading sequence of possibly
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multi-byte characters or encoding errors G in BUF (which ends at LIM)
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that satisfy PREDICATE (G) if OK is true, or that do not satisfy
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the predicate call if OK is false. */
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SKIPCHARS_INLINE char *
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skip_buf_matching (char const *buf, char const *lim,
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bool (*predicate) (mcel_t), bool ok)
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{
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char const *s = buf;
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for (mcel_t g; s < lim && predicate (g = mcel_scan (s, lim)) == ok;
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s += g.len)
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continue;
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return (char *) s;
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}
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_GL_INLINE_HEADER_END
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