1 /* editor C-code navigation via tags.
2 make TAGS file via command:
3 $ find . -type f -name "*.[ch]" | etags -l c --declarations -
5 or, if etags utility not installed:
6 $ find . -type f -name "*.[ch]" | ctags --c-kinds=+p --fields=+iaS --extra=+q -e -L-
8 Copyright (C) 2009 Free Software Foundation, Inc.
11 Ilia Maslakov <il.smind@gmail.com>, 2009
12 Slava Zanko <slavazanko@gmail.com>, 2009
15 This file is part of the Midnight Commander.
17 The Midnight Commander is free software; you can redistribute it
18 and/or modify it under the terms of the GNU General Public License as
19 published by the Free Software Foundation; either version 2 of the
20 License, or (at your option) any later version.
22 The Midnight Commander is distributed in the hope that it will be
23 useful, but WITHOUT ANY WARRANTY; without even the implied warranty
24 of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
25 General Public License for more details.
27 You should have received a copy of the GNU General Public License
28 along with this program; if not, write to the Free Software
29 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
41 #include "lib/global.h"
42 #include "src/editor/etags.h"
44 /*** file scope functions **********************************************/
46 static gboolean
parse_define(char *buf
, char **long_name
, char **short_name
, long *line
)
48 enum {in_longname
, in_shortname
, in_shortname_first_char
, in_line
, finish
} def_state
= in_longname
;
50 static char longdef
[LONG_DEF_LEN
];
51 static char shortdef
[SHORT_DEF_LEN
];
52 static char linedef
[LINE_DEF_LEN
];
58 while ( !(c
=='\0' || c
=='\n') ) {
59 switch ( def_state
) {
63 } else if ( c
== 0x7F ) {
64 def_state
= in_shortname
;
66 if ( nlong
< LONG_DEF_LEN
- 1 ) {
71 case in_shortname_first_char
:
76 } else if ( c
== 0x01 ) {
79 if ( nshort
< SHORT_DEF_LEN
- 1 ) {
80 shortdef
[nshort
++] = c
;
81 def_state
= in_shortname
;
88 } else if ( c
== '\n' ) {
91 if ( nshort
< SHORT_DEF_LEN
- 1 ) {
92 shortdef
[nshort
++] = c
;
97 if ( c
== ',' || c
== '\n') {
99 } else if ( isdigit(c
) ) {
100 if ( nline
< LINE_DEF_LEN
- 1 ) {
101 linedef
[nline
++] = c
;
106 longdef
[nlong
] = '\0';
107 shortdef
[nshort
] = '\0';
108 linedef
[nline
] = '\0';
109 *long_name
= g_strdup (longdef
);
110 *short_name
= g_strdup (shortdef
);
111 *line
= atol (linedef
);
123 /*** public functions **************************************************/
125 int etags_set_definition_hash(const char *tagfile
, const char *start_path
,
126 const char *match_func
,
127 etags_hash_t
*def_hash
)
129 enum {start
, in_filename
, in_define
} state
= start
;
132 static char buf
[BUF_LARGE
];
134 char *longname
= NULL
;
135 char *shortname
= NULL
;
138 char *chekedstr
= NULL
;
140 int num
= 0; /* returned value */
142 char *filename
= NULL
;
144 if ( !match_func
|| !tagfile
)
147 /* open file with positions */
148 f
= fopen (tagfile
, "r");
152 while (fgets (buf
, sizeof (buf
), f
)) {
156 if ( buf
[0] == 0x0C ) {
161 pos
= strcspn(buf
, ",");
163 filename
= g_malloc (pos
+ 2);
164 g_strlcpy(filename
, (char *)buf
, pos
+ 1);
168 if ( buf
[0] == 0x0C ) {
172 /* check if the filename matches the define pos */
173 chekedstr
= strstr (buf
, match_func
);
175 parse_define (chekedstr
, &longname
, &shortname
, &line
);
176 if ( num
< MAX_DEFINITIONS
- 1 ) {
177 def_hash
[num
].filename_len
= strlen (filename
);
178 def_hash
[num
].fullpath
= g_build_filename ( start_path
, filename
, (char *) NULL
);
180 canonicalize_pathname (def_hash
[num
].fullpath
);
181 def_hash
[num
].filename
= g_strdup (filename
);
183 def_hash
[num
].short_define
= g_strdup (shortname
);
185 def_hash
[num
].short_define
= g_strdup (longname
);
187 def_hash
[num
].line
= line
;