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-rwxr-xr-xvchat-commands.c368
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1/*
2 * vchat-client - alpha version
3 * vchat-commands.c - handling of client commands
4 *
5 * Copyright (C) 2001 Andreas Kotes <count@flatline.de>
6 *
7 * This program is free software. It can be redistributed and/or modified,
8 * provided that this copyright notice is kept intact. This program is
9 * distributed in the hope that it will be useful, but without any warranty;
10 * without even the implied warranty of merchantability or fitness for a
11 * particular purpose. In no event shall the copyright holder be liable for
12 * any direct, indirect, incidental or special damages arising in any way out
13 * of the use of this software.
14 *
15 */
16
17/* general includes */
18#include <unistd.h>
19#include <errno.h>
20#include <stdio.h>
21#include <string.h>
22
23/* local includes */
24#include "vchat.h"
25#include "vchat-help.h"
26
27/* version of this module */
28unsigned char *vchat_cm_version = "$Id$";
29
30/* our "/command " table */
31enum {
32COMMAND_VERSION,
33COMMAND_FILTERS,
34COMMAND_LSFLT,
35COMMAND_RMFLT,
36COMMAND_CLFLT,
37COMMAND_HELP,
38COMMAND_KEYS,
39COMMAND_QUIT,
40COMMAND_USER,
41COMMAND_FLT,
42COMMAND_PM,
43COMMAND_ACTION,
44COMMAND_PMSHORT,
45COMMAND_PLAIN,
46COMMAND_NONE
47};
48
49static void command_quit ( unsigned char *tail);
50static void command_user ( unsigned char *tail);
51static void command_pm ( unsigned char *tail);
52static void command_action ( unsigned char *tail);
53static void command_help ( unsigned char *tail);
54static void command_flt ( unsigned char *tail);
55static void command_lsflt ( unsigned char *tail);
56static void command_clflt ( unsigned char *tail);
57static void command_rmflt ( unsigned char *tail);
58 void command_version ( unsigned char *tail);
59static void command_none ( unsigned char *line);
60
61static void output_default ( unsigned char *tail);
62
63/* commandentry defined in vchat.h */
64
65static commandentry
66commandtable[] = {
67{ COMMAND_VERSION, "VERSION", 7, command_version, SHORT_HELPTEXT_VERSION, LONG_HELPTEXT_VERSION },
68{ COMMAND_LSFLT, "LSFLT", 5, command_lsflt, NULL, LONG_HELPTEXT_LSFLT },
69{ COMMAND_RMFLT, "RMFLT", 5, command_rmflt, NULL, LONG_HELPTEXT_RMFLT },
70{ COMMAND_CLFLT, "CLFLT", 5, command_clflt, NULL, LONG_HELPTEXT_CLFLT },
71{ COMMAND_HELP, "HELP", 4, command_help, SHORT_HELPTEXT_HELP, LONG_HELPTEXT_HELP },
72{ COMMAND_FILTERS, "FILTERS", 7, command_help, SHORT_HELPTEXT_FILTERS, LONG_HELPTEXT_FILTERS },
73{ COMMAND_KEYS, "KEYS", 4, command_help, SHORT_HELPTEXT_KEYS, LONG_HELPTEXT_KEYS },
74{ COMMAND_QUIT, "QUIT", 4, command_quit, SHORT_HELPTEXT_QUIT, LONG_HELPTEXT_QUIT },
75{ COMMAND_USER, "USER", 4, command_user, SHORT_HELPTEXT_USER, LONG_HELPTEXT_USER },
76{ COMMAND_FLT, "FLT", 3, command_flt, NULL, LONG_HELPTEXT_FLT },
77{ COMMAND_PM, "MSG", 3, command_pm, SHORT_HELPTEXT_MSG, LONG_HELPTEXT_MSG },
78{ COMMAND_ACTION, "ME", 2, command_action, SHORT_HELPTEXT_ME, LONG_HELPTEXT_ME },
79{ COMMAND_PMSHORT, "M", 1, command_pm, NULL, SHORT_HELPTEXT_MSG },
80{ COMMAND_PLAIN, "/", 1, output_default, NULL, NULL },
81{ COMMAND_NONE, "", 0, command_none, NULL, NULL }
82};
83
84/* parse "/command" */
85static int
86translatecommand( unsigned char **cmd)
87{
88 int result;
89 int cut = 0;
90 int maxcut = 0;
91
92 while( (*cmd)[maxcut] && ((*cmd)[maxcut] != 0x20) && ((*cmd)[maxcut] != '\n')) maxcut++;
93 if( maxcut ) maxcut--;
94
95 do {
96 for( result = 0;
97 (result != COMMAND_NONE) &&
98 (strncasecmp(*cmd, commandtable[result].name, commandtable[result].len -
99 ((commandtable[result].len - maxcut - cut > 0) ? cut : 0)));
100 result++);
101 } while ((cut < commandtable[0].len) && (commandtable[result].number == COMMAND_NONE) && (++cut));
102
103 (*cmd) += commandtable[result].len;
104 if( commandtable[result].number != COMMAND_NONE )
105 (*cmd) -= cut;
106
107 return result;
108}
109
110/* handle action */
111static void
112doaction( unsigned char *tail )
113{
114 while( *tail == ' ' ) tail++;
115
116 if( *tail ) {
117 /* send users message to server */
118 snprintf (tmpstr, TMPSTRSIZE, ".a %s", tail);
119 networkoutput (tmpstr);
120
121 /* show action in channel window */
122 snprintf (tmpstr, TMPSTRSIZE, getformatstr(FS_TXPUBACTION), nick, tail);
123 writechan (tmpstr);
124 } else {
125
126 /* missing action */
127 snprintf (tmpstr, TMPSTRSIZE, getformatstr(FS_BGTXPUBACTION));
128 writechan (tmpstr);
129 }
130}
131
132/* handle private message outgoing */
133static void
134privatemessagetx ( unsigned char *tail ) {
135 unsigned char *mesg;
136
137 /* find nick */
138 while( *tail==' ') tail++;
139
140 /* find message */
141 mesg = tail;
142 while ( *mesg && *mesg!=' ') mesg++;
143
144 /* check for nick && message */
145 if(*tail && *mesg) {
146
147 /* terminate nick, move to rel start */
148 *mesg++ = '\0';
149
150 /* form message and send to server */
151 snprintf (tmpstr, TMPSTRSIZE, ".m %s %s", tail, mesg);
152 networkoutput (tmpstr);
153
154 /* show message in private window */
155 snprintf (tmpstr, TMPSTRSIZE, getformatstr(FS_TXPRIVMSG), tail, mesg);
156 writepriv (tmpstr);
157
158 /* note we messaged someone */
159 ul_msgto(tail);
160
161 } else {
162
163 /* missing nick or message body inform user */
164 snprintf (tmpstr, TMPSTRSIZE, getformatstr(FS_BGPRIVMSG));
165 writepriv (tmpstr);
166 }
167}
168
169/* handle line entered by user */
170void
171handleline (unsigned char *line)
172{
173#ifdef DEBUG
174 /* debugging? log users input! */
175 fprintf (stderr, "=| %s\n", line);
176#endif
177
178 switch ( line[0] )
179 {
180 case '.':
181 switch ( line[1] ) {
182 case 'm': /* sending a private message? */
183 privatemessagetx( line+2 );
184 break;
185 case 'a':
186 doaction( line+2 );
187 break;
188 case '.':
189 /* .. on start of line is public */
190 if( line[2] != 'm' ) {
191 output_default( line );
192 } else {
193 /* oopsi, "..m " detected */
194 /* dunno what to do */
195 flushout( );
196 writeout("? You probably misstyped ?");
197 writeout(" ");
198 writeout(line );
199 showout( );
200 }
201 break;
202 default:
203
204 /* generic server command, send to server, show to user */
205 snprintf (tmpstr, TMPSTRSIZE, getformatstr(FS_COMMAND), line);
206 networkoutput (line);
207 writechan (tmpstr);
208 break;
209 }
210 break;
211 case '/':
212 line++;
213 commandtable[translatecommand(&line)].handler(line);
214 break;
215 case '0':
216 break;
217 default:
218 output_default( line );
219 break;
220 }
221}
222
223static void
224output_default( unsigned char *line ) {
225 /* prepare for output on display */
226 snprintf (tmpstr, TMPSTRSIZE, getformatstr(FS_TXPUBMSG), nick, line);
227
228 /* send original line to server */
229 networkoutput (line);
230
231 /* output message to channel window */
232 writechan (tmpstr);
233}
234
235/* handle a "/user " request */
236static void
237command_user( unsigned char *tail)
238{
239 while( *tail == ' ') tail++;
240 if( strlen(tail) >= 3) {
241 unsigned char * out = ul_matchuser( tail);
242 if( *out ) {
243 snprintf( tmpstr, TMPSTRSIZE, getformatstr(FS_USMATCH), tail, out);
244 } else {
245 snprintf( tmpstr, TMPSTRSIZE, getformatstr(FS_ERR), "No user matched that substring");
246 }
247 } else {
248 snprintf( tmpstr, TMPSTRSIZE, getformatstr(FS_ERR), "Specify at least 3 characters to match users");
249 }
250 writechan( tmpstr );
251}
252
253/* handle a "/msg " request */
254static void
255command_pm (unsigned char *tail)
256{
257 privatemessagetx( tail );
258}
259
260/* handle a help request */
261static void
262command_help (unsigned char *line) {
263 flushout( );
264 while( *line==' ') line++;
265 if( *line ) { /* Get help on command */
266 int i;
267 if( ( i = translatecommand( &line ) ) != COMMAND_NONE ) {
268 snprintf( tmpstr, TMPSTRSIZE, "Help on command: %s", commandtable[i].name);
269 writeout( tmpstr );
270 writeout(" ");
271 if( commandtable[i].short_help && !commandtable[i].help )
272 writeout(commandtable[i].short_help );
273 line = commandtable[i].help;
274 if( line ) {
275 while( *line ) {
276 unsigned char *tmp = tmpstr;
277 while( *line && (*line != '\n') )
278 *tmp++ = *line++;
279 *tmp = '\0'; if( *line == '\n') line++;
280 writeout ( tmpstr );
281 }
282 }
283 } else {
284 command_help( " " );
285 }
286 } else { /* Get overall help */
287 int i;
288 for( i = 0; commandtable[i].number != COMMAND_NONE; i++ ) {
289 if( commandtable[i].short_help )
290 writeout( commandtable[i].short_help );
291 }
292 }
293 showout();
294}
295
296/* handle an unknown command */
297static void
298command_none( unsigned char *line) {
299 flushout( );
300 snprintf(tmpstr, TMPSTRSIZE, " Unknown client command: %s ", line);
301 writeout(tmpstr);
302 showout( );
303}
304
305/* handle a "/flt " request */
306static void
307command_flt( unsigned char *tail){
308 unsigned char colour;
309 while(*tail==' ') tail++;
310 colour = *tail++;
311 while( colour && *tail == ' ') tail++;
312 if( colour && *tail) {
313 addfilter( colour, tail);
314 }
315}
316
317/* handle a "/clflt " request */
318static void
319command_clflt ( unsigned char *tail) {
320 while( *tail == ' ') tail++;
321 clearfilters( *tail );
322}
323
324/* handle a "/rmflt " request */
325static void
326command_rmflt ( unsigned char *tail) {
327 while( *tail == ' ') tail++;
328 removefilter( tail );
329}
330
331/* list filters */
332static void
333command_lsflt ( unsigned char *tail) {
334 listfilters();
335}
336
337/* handle a "/me " action */
338static void
339command_action( unsigned char *tail)
340{
341 doaction( tail);
342}
343
344/* handle a "/quit " exit */
345static void
346command_quit ( unsigned char *tail)
347{
348 /* send users message to server */
349 snprintf (tmpstr, TMPSTRSIZE, ".x %s", tail);
350 networkoutput (tmpstr);
351
352 /* show action in channel window */
353 writechan (tmpstr);
354}
355
356/* print out version */
357void
358command_version( unsigned char *tail)
359{
360 /* output internal versions of all modules */
361 flushout();
362 writeout (vchat_cl_version);
363 writeout (vchat_ui_version);
364 writeout (vchat_io_version);
365 writeout (vchat_us_version);
366 writeout (vchat_cm_version);
367 showout();
368}
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