File: bind.c

package info (click to toggle)
mutt 0.91.2-2
  • links: PTS
  • area: main
  • in suites: hamm
  • size: 2,056 kB
  • ctags: 2,189
  • sloc: ansic: 34,582; sh: 203; makefile: 197; perl: 21; awk: 2
file content (180 lines) | stat: -rw-r--r-- 4,380 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
/*
 * Copyright (C) 1996-8 Michael R. Elkins <me@cs.hmc.edu>
 *
 *     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 2 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, write to the Free Software
 *     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include "mutt.h"
#include "mutt_curses.h"
#include "keymap.h"
#include "mapping.h"

#include <string.h>

static struct mapping_t Menus[] = {
 { "alias",	MENU_ALIAS },
 { "attach",	MENU_ATTACH },
 { "browser",	MENU_FOLDER },
 { "compose",	MENU_COMPOSE },
 { "editor",	MENU_EDITOR },
 { "generic",	MENU_GENERIC },
 { "index",	MENU_MAIN },
 { "pager",	MENU_PAGER },
 { NULL,	0 }
};

#define mutt_check_menu(s) mutt_getvaluebyname(s, Menus)

/* expects to see: <menu-string> <key-string> */
static const char *parse_keymap (int *menu,
				 char *key,
				 size_t keylen,
				 const char *s,
				 char *err,
				 size_t errlen)
{
  char buf[SHORT_STRING];
  char expn[SHORT_STRING];

  /* menu name */
  s = mutt_extract_token (buf, sizeof (buf), s, expn, sizeof (expn), 0);

  if (s)
  {
    if ((*menu = mutt_check_menu (buf)) == -1)
    {
      snprintf (err, errlen, "%s: no such menu", s);
      return (NULL);
    }

    /* key sequence */
    s = mutt_extract_token (key, keylen, s, expn, sizeof (expn), 0);

    if (s)
      return s;
  }

  strfcpy (err, "too few arguments", errlen);
  return (NULL);
}

static int
try_bind (char *key, int menu, char *func, struct binding_t *bindings)
{
  int i;
  
  for (i = 0; bindings[i].name; i++)
    if (strcmp (func, bindings[i].name) == 0)
    {
      km_bindkey (key, menu, bindings[i].op, NULL);
      return (0);
    }
  return (-1);
}

/* bind menu-name '<key_sequence>' function-name */
int mutt_parse_bind (const char *s, unsigned long data, char *err, size_t errlen)
{
  struct binding_t *bindings = NULL;
  char buf[SHORT_STRING];
  char key[SHORT_STRING];
  char expn[SHORT_STRING];
  int menu;

  if ((s = parse_keymap (&menu, key, sizeof (key), s, err, errlen)) == NULL)
    return (-1);

  switch (menu)
  {
    case MENU_MAIN:
      bindings = OpMain;
      break;
    case MENU_GENERIC:
      bindings = OpGeneric;
      break;
    case MENU_COMPOSE:
      bindings = OpCompose;
      break;
    case MENU_PAGER:
      bindings = OpPager;
      break;
    case MENU_POST:
      bindings = OpPost;
      break;
    case MENU_FOLDER:
      bindings = OpBrowser;
      break;
    case MENU_ATTACH:
      bindings = OpAttach;
      break;
    case MENU_EDITOR:
      bindings = OpEditor;
      break;
    case MENU_ALIAS:
      bindings = OpAlias;
      break;
  }

  /* function to execute */
  s = mutt_extract_token (buf, sizeof (buf), s, expn, sizeof (expn), 0);
  if (s)
  {
    strfcpy (err, "too many arguments", errlen);
    return (-1);
  }

  if (strcasecmp ("noop", buf) == 0)
  {
    km_bindkey (key, menu, OP_NULL, NULL);
    return 0;
  }

  if (menu != MENU_PAGER && menu != MENU_EDITOR && menu != MENU_GENERIC)
  {
    /* First check the "generic" list of commands.  */
    if (try_bind (key, menu, buf, OpGeneric) == 0)
      return 0;
  }

  /* Now check the menu-specific list of commands (if they exist).  */
  if (bindings && try_bind (key, menu, buf, bindings) == 0)
    return 0;

  snprintf (err, errlen, "%s: no such function in map", buf);
  return (-1);
}

/* macro <menu> <key> <macro> */
int mutt_parse_macro (const char *s, unsigned long data, char *err, size_t errlen)
{
  int menu;
  char key[SHORT_STRING];
  char buf[SHORT_STRING];
  char expn[SHORT_STRING];

  if ((s = parse_keymap (&menu, key, sizeof (key), s, err, errlen)) == NULL)
    return (-1);

  s = mutt_extract_token (buf, sizeof (buf), s, expn, sizeof (expn), M_CONDENSE);
  if (s)
  {
    strfcpy (err, "too many arguments", errlen);
    return (-1);
  }

  km_bindkey (key, menu, OP_MACRO, buf);

  return 0;
}