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Search engine: added forgotten file. Sorry :)

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Slava Zanko 2009-04-30 16:57:46 +03:00
parent dcf90bf6ec
commit dce5909154
1 changed files with 124 additions and 0 deletions
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src/search/glob.c Normal file
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/*
Search text engine.
Glob-style pattern matching
Copyright (C) 2009 The Free Software Foundation, Inc.
Written by:
Slava Zanko <slavazanko@gmail.com>, 2009.
This file is part of the Midnight Commander.
The Midnight Commander 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 2 of the
License, or (at your option) any later version.
The Midnight Commander 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, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301, USA.
*/
#include <config.h>
#include "../src/global.h"
#include "../src/search/search.h"
#include "../src/search/internal.h"
#include "../src/strutil.h"
#include "../src/charsets.h"
/*** global variables ****************************************************************************/
/*** file scope macro definitions ****************************************************************/
/*** file scope type declarations ****************************************************************/
/*** file scope variables ************************************************************************/
/*** file scope functions ************************************************************************/
//mc_search__regex_is_char_escaped (char *start, char *current)
static GString *
mc_search__glob_translate_to_regex (gchar * str, gsize * len)
{
GString *buff = g_string_new ("");
gsize orig_len = *len;
gsize loop = 0;
while (loop < orig_len) {
switch (str[loop]) {
case '*':
if (!mc_search__regex_is_char_escaped (str, &(str[loop]) - 1)) {
g_string_append (buff, ".*");
loop++;
continue;
}
break;
case '?':
if (!mc_search__regex_is_char_escaped (str, &(str[loop]) - 1)) {
g_string_append (buff, ".");
loop++;
continue;
}
break;
case '\\':
case '+':
case '.':
case '(':
case ')':
case '|':
case '$':
case '^':
case '-':
g_string_append_c (buff, '\\');
g_string_append_c (buff, str[loop]);
loop++;
continue;
break;
}
g_string_append_c (buff, str[loop]);
loop++;
}
*len = buff->len;
return buff;
}
/*** public functions ****************************************************************************/
void
mc_search__cond_struct_new_init_glob (const char *charset, mc_search_t * mc_search,
mc_search_cond_t * mc_search_cond)
{
GString *tmp = mc_search__glob_translate_to_regex (mc_search_cond->str->str, &mc_search_cond->len);
g_string_free (mc_search_cond->str, TRUE);
mc_search_cond->str = tmp;
mc_search__cond_struct_new_init_regex (charset, mc_search, mc_search_cond);
}
/* --------------------------------------------------------------------------------------------- */
gboolean
mc_search__run_glob (mc_search_t * mc_search, const void *user_data,
gsize start_search, gsize end_search, gsize * found_len)
{
return mc_search__run_regex (mc_search, user_data, start_search, end_search, found_len);
}
/* --------------------------------------------------------------------------------------------- */
GString *
mc_search_glob_prepare_replace_str (mc_search_t * mc_search, GString * replace_str)
{
return mc_search_regex_prepare_replace_str (mc_search, replace_str);
}