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61 lines
1.7 KiB
C
61 lines
1.7 KiB
C
/* Search for patterns in strings or files.
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Copyright (C) 2005 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 2, or (at your option)
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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, write to the Free Software Foundation,
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Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#ifndef _LIBGREP_H
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#define _LIBGREP_H
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#include <stdbool.h>
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#include <stddef.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* A pattern matcher. */
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typedef struct {
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/* Compile a pattern and return the compiled pattern. */
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void * (*compile) (const char *pattern, size_t pattern_size,
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bool match_icase, bool match_words, bool match_lines,
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char eolbyte);
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/* Execute a search. */
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size_t (*execute) (const void *compiled_pattern,
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const char *buf, size_t buf_size,
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size_t *match_size, bool exact);
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/* Free a compiled pattern. */
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void (*free) (void *compiled_pattern);
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} matcher_t;
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/* The built-in pattern matchers. */
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extern matcher_t matcher_grep; /* POSIX Basic Regular Expressions */
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extern matcher_t matcher_egrep; /* POSIX Extended Regular Expressions */
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extern matcher_t matcher_fgrep; /* Fixed String search */
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extern matcher_t matcher_awk; /* AWK Regular Expressions */
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#ifdef __cplusplus
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}
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#endif
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#endif /* _LIBGREP_H */
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