| /* Search for patterns in strings or files. |
| Copyright (C) 2005 Free Software Foundation, Inc. |
| |
| This program is free software: you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 3 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program. If not, see <https://www.gnu.org/licenses/>. */ |
| |
| #ifndef _LIBGREP_H |
| #define _LIBGREP_H |
| |
| #include <stdbool.h> |
| #include <stddef.h> |
| |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| |
| /* A pattern matcher. */ |
| typedef struct { |
| |
| /* Compile a pattern and return the compiled pattern. */ |
| void * (*compile) (const char *pattern, size_t pattern_size, |
| bool match_icase, bool match_words, bool match_lines, |
| char eolbyte); |
| |
| /* Execute a search. */ |
| size_t (*execute) (const void *compiled_pattern, |
| const char *buf, size_t buf_size, |
| size_t *match_size, bool exact); |
| |
| /* Free a compiled pattern. */ |
| void (*free) (void *compiled_pattern); |
| |
| } matcher_t; |
| |
| /* The built-in pattern matchers. */ |
| extern matcher_t matcher_grep; /* POSIX Basic Regular Expressions */ |
| extern matcher_t matcher_egrep; /* POSIX Extended Regular Expressions */ |
| extern matcher_t matcher_fgrep; /* Fixed String search */ |
| extern matcher_t matcher_awk; /* AWK Regular Expressions */ |
| |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| |
| #endif /* _LIBGREP_H */ |