3 HEX-style pattern matching
5 Copyright (C) 2009-2016
6 Free Software Foundation, Inc.
9 Slava Zanko <slavazanko@gmail.com>, 2009.
11 This file is part of the Midnight Commander.
13 The Midnight Commander is free software: you can redistribute it
14 and/or modify it under the terms of the GNU General Public License as
15 published by the Free Software Foundation, either version 3 of the License,
16 or (at your option) any later version.
18 The Midnight Commander is distributed in the hope that it will be useful,
19 but WITHOUT ANY WARRANTY; without even the implied warranty of
20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 GNU General Public License for more details.
23 You should have received a copy of the GNU General Public License
24 along with this program. If not, see <http://www.gnu.org/licenses/>.
31 #include "lib/global.h"
32 #include "lib/strutil.h"
33 #include "lib/search.h"
34 #include "lib/strescape.h"
38 /*** global variables ****************************************************************************/
40 /*** file scope macro definitions ****************************************************************/
42 /*** file scope type declarations ****************************************************************/
44 /*** file scope variables ************************************************************************/
46 /*** file scope functions ************************************************************************/
49 mc_search__hex_translate_to_regex (const GString
* astr
)
52 gchar
*tmp_str
, *tmp_str2
;
56 buff
= g_string_sized_new (64);
57 tmp_str
= g_strndup (astr
->str
, astr
->len
);
60 /* remove 0x prefices */
63 tmp_str2
= strstr (tmp_str2
, "0x");
71 g_strchug (tmp_str
); /* trim leadind whitespaces */
72 tmp_str_len
= strlen (tmp_str
);
74 while (loop
< tmp_str_len
)
78 /* cppcheck-suppress invalidscanf */
79 if (sscanf (tmp_str
+ loop
, "%x%n", &val
, &ptr
))
81 if (val
< -128 || val
> 255)
85 g_string_append_printf (buff
, "\\x%02X", (unsigned char) val
);
89 else if (*(tmp_str
+ loop
) == '"')
94 while (loop
+ loop2
< tmp_str_len
)
96 if (*(tmp_str
+ loop
+ loop2
) == '"' &&
97 !strutils_is_char_escaped (tmp_str
, tmp_str
+ loop
+ loop2
))
102 g_string_append_len (buff
, tmp_str
+ loop
, loop2
- 1);
114 /*** public functions ****************************************************************************/
117 mc_search__cond_struct_new_init_hex (const char *charset
, mc_search_t
* lc_mc_search
,
118 mc_search_cond_t
* mc_search_cond
)
122 g_string_ascii_down (mc_search_cond
->str
);
123 tmp
= mc_search__hex_translate_to_regex (mc_search_cond
->str
);
124 g_string_free (mc_search_cond
->str
, TRUE
);
125 mc_search_cond
->str
= tmp
;
127 mc_search__cond_struct_new_init_regex (charset
, lc_mc_search
, mc_search_cond
);
130 /* --------------------------------------------------------------------------------------------- */
133 mc_search__run_hex (mc_search_t
* lc_mc_search
, const void *user_data
,
134 gsize start_search
, gsize end_search
, gsize
* found_len
)
136 return mc_search__run_regex (lc_mc_search
, user_data
, start_search
, end_search
, found_len
);
139 /* --------------------------------------------------------------------------------------------- */
142 mc_search_hex_prepare_replace_str (mc_search_t
* lc_mc_search
, GString
* replace_str
)
145 return g_string_new_len (replace_str
->str
, replace_str
->len
);
148 /* --------------------------------------------------------------------------------------------- */