/* 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 . */ #ifndef _LIBGREP_H #define _LIBGREP_H #include #include #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 */