mirror of https://github.com/MidnightCommander/mc
Search engine: added forgotten file. Sorry :)
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/*
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Search text engine.
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Glob-style pattern matching
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Copyright (C) 2009 The Free Software Foundation, Inc.
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Written by:
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Slava Zanko <slavazanko@gmail.com>, 2009.
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This file is part of the Midnight Commander.
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The Midnight Commander is free software; you can redistribute it
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and/or modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The Midnight Commander is distributed in the hope that it will be
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useful, but WITHOUT ANY WARRANTY; without even the implied warranty
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of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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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
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA.
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*/
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#include <config.h>
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#include "../src/global.h"
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#include "../src/search/search.h"
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#include "../src/search/internal.h"
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#include "../src/strutil.h"
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#include "../src/charsets.h"
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/*** global variables ****************************************************************************/
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/*** file scope macro definitions ****************************************************************/
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/*** file scope type declarations ****************************************************************/
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/*** file scope variables ************************************************************************/
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/*** file scope functions ************************************************************************/
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//mc_search__regex_is_char_escaped (char *start, char *current)
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static GString *
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mc_search__glob_translate_to_regex (gchar * str, gsize * len)
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{
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GString *buff = g_string_new ("");
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gsize orig_len = *len;
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gsize loop = 0;
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while (loop < orig_len) {
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switch (str[loop]) {
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case '*':
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if (!mc_search__regex_is_char_escaped (str, &(str[loop]) - 1)) {
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g_string_append (buff, ".*");
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loop++;
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continue;
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}
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break;
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case '?':
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if (!mc_search__regex_is_char_escaped (str, &(str[loop]) - 1)) {
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g_string_append (buff, ".");
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loop++;
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continue;
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}
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break;
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case '\\':
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case '+':
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case '.':
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case '(':
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case ')':
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case '|':
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case '$':
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case '^':
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case '-':
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g_string_append_c (buff, '\\');
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g_string_append_c (buff, str[loop]);
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loop++;
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continue;
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break;
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}
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g_string_append_c (buff, str[loop]);
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loop++;
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}
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*len = buff->len;
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return buff;
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}
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/*** public functions ****************************************************************************/
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void
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mc_search__cond_struct_new_init_glob (const char *charset, mc_search_t * mc_search,
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mc_search_cond_t * mc_search_cond)
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{
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GString *tmp = mc_search__glob_translate_to_regex (mc_search_cond->str->str, &mc_search_cond->len);
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g_string_free (mc_search_cond->str, TRUE);
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mc_search_cond->str = tmp;
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mc_search__cond_struct_new_init_regex (charset, mc_search, mc_search_cond);
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}
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/* --------------------------------------------------------------------------------------------- */
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gboolean
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mc_search__run_glob (mc_search_t * mc_search, const void *user_data,
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gsize start_search, gsize end_search, gsize * found_len)
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{
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return mc_search__run_regex (mc_search, user_data, start_search, end_search, found_len);
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}
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/* --------------------------------------------------------------------------------------------- */
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GString *
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mc_search_glob_prepare_replace_str (mc_search_t * mc_search, GString * replace_str)
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{
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return mc_search_regex_prepare_replace_str (mc_search, replace_str);
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}
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