trunk/src/numeric.c

/*
 *  ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
 *  numeric.c: Numeric handling functions.
 *
 *  Copyright (C) 2002 by the past and present ircd coders, and others.
 *
 *  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., 59 Temple Place, Suite 330, Boston, MA  02111-1307
 *  USA
 *
 *  $Id$
 */

#include "stdinc.h"

#include "numeric.h"
#include "irc_string.h"
#include "memory.h"
#include "s_log.h"
#include "fileio.h"
#include "send.h"
#include "client.h"
#include "messages.tab"

static char used_locale[LOCALE_LENGTH] = "standard";

/*
 * form_str
 *
 * inputs       - numeric
 * output       - corresponding string
 * side effects - NONE
 */
const char* form_str(int numeric)
{
  assert(-1 < numeric);
  assert(numeric < ERR_LAST_ERR_MSG);

  if (numeric > ERR_LAST_ERR_MSG)
    numeric = ERR_LAST_ERR_MSG;
  if (numeric < 0)
    numeric = ERR_LAST_ERR_MSG;

  assert(replies[numeric].standard != NULL);

  return (replies[numeric].translated != NULL ? replies[numeric].translated :
                                                replies[numeric].standard);
}

/* Attempts to change a numeric with index "reply" to "new_reply".
 * Returns 1 if ok, 0 otherwise.
 */
static int
change_reply(const char *locale, int linecnt, int reply, char *new_reply)
{
  int found;
  char *new = new_reply;
  const char *old = replies[reply].standard;

  for (; *new; new++)
  {
    if (*new == '%')
    {
      if (!*++new) break;
      if (*new != '%')
      {
        /* We've just found a format symbol. Check if it is the next format
         * symbol in the original reply.
         */
        for (; *new >= '0' && *new <= '9'; new++); /* skip size prefix */
        found = 0;
        for (; *old; old++)
        {
          if (*old == '%')
          {
            if (!*++old) break;  /* shouldn't happen */
            if (*old != '%')
            {
              for (; *old >= '0' && *old <= '9'; old++); /* skip size prefix */
              if (*new != *old++)
              {
                ilog(L_ERROR, "Incompatible format symbols (%s.lang, %d)",
                              locale, linecnt);
                return 0;
              }
              found = 1;
              break;
            }
          }
        }
        if (!found)
        {
          ilog(L_ERROR, "Too many format symbols (%s.lang, %d)", locale, linecnt);
          return(0);
        }
      }
    }
  }

  MyFree(replies[reply].translated);
  DupString(replies[reply].translated, new_reply);
  return(1);
}

/* Loads a language file. Errors are logged into the log file. */
void
set_locale(const char *locale)
{
  int i, res = 1, linecnt = 0;
  char buffer[IRCD_BUFSIZE + 1];
  char *ident, *reply;
  FBFILE *f;

  /* Restore standard replies */
  for (i = 0; i <= ERR_LAST_ERR_MSG; i++)   /* 0 isn't a magic number! ;> */
  {
    if (replies[i].translated != NULL)
    {
      MyFree(replies[i].translated);
      replies[i].translated = NULL;
    }
  }

  if (strchr(locale, '/') != NULL)
  {
    strlcpy(used_locale, "standard", sizeof(used_locale));  /* XXX paranoid */
    return;
  }

  /* yes, I know - the slash isn't necessary. But I have to be sure
   * that it'll work even if some lame admin won't put "/" at the end
   * of MSGPATH.
   */
  snprintf(buffer, sizeof(buffer), "%s/%s.lang", MSGPATH, locale);
  if ((f = fbopen(buffer, "r")) == NULL)
  {
    strlcpy(used_locale, "standard", sizeof(used_locale));  /* XXX */
    return;
  }

  /* Process the language file */
  while (fbgets(buffer, sizeof(buffer), f))
  {
    ++linecnt;
    if (buffer[0] == ';')
      continue;   /* that's a comment */

    if ((ident = strpbrk(buffer, "\r\n")) != NULL)
      *ident = '\0';

    /* skip spaces if there are any */
    for (ident = buffer; *ident == ' ' || *ident == '\t'; ident++)/* null */;
    if (*ident == '\0')
      continue;            /* empty line */

    /* skip after the reply identificator */
    for (reply = ident; *reply != ' ' && *reply != '\t' && *reply != ':';
      reply++)
      if (*reply == '\0') goto error;

    if (*reply == ' ' || *reply == '\t')
    {
      for (*reply++ = '\0'; *reply == ' ' || *reply == '\t'; reply++);
      if (*reply != ':')
      {
        error:
        ilog(L_ERROR, "Invalid line in language file (%s.lang, %d)",
                      locale, linecnt);
        res = 0;
        continue;
      }
    }
    else
      *reply++ = '\0';
    if (*ident == '\0')
      goto error;

    /* skip to the beginning of reply */
    while (*reply == ' ' || *reply == '\t') reply++;
    if (*reply == '\0')
      goto error;

    for (i = 0; i <= ERR_LAST_ERR_MSG; i++)
    {
      if (replies[i].name != NULL)
      {
        if (irccmp(replies[i].name, ident) == 0)
        {
          if (!change_reply(locale, linecnt, i, reply)) res = 0;
          i = -1;
          break;
        }
      }
    }
    if (i != -1)
    {
      ilog(L_ERROR,
           "Unknown numeric %s (%s.lang, %d)", ident, locale, linecnt);
      res = 0;
    }
  }
  fbclose(f);

  strlcpy(used_locale, locale, sizeof(used_locale));
  if (!res)
    sendto_realops_flags(UMODE_ALL, L_ADMIN, "Language file [%s] contains "
                         "errors, check server log file for more details",
                         used_locale);
}

/* Returns the name of current locale. */
const char *
get_locale(void)
{
  return used_locale;
}
Revision:	1243
Committed:	Fri Sep 30 10:47:53 2011 UTC (14 years, 9 months ago) by michael
Content type:	text/x-csrc
Original Path:	*ircd-hybrid-8/src/numeric.c*
File size:	5890 byte(s)
Log Message:	- move content of msg.h, ircd_handler.h and handlers.h into parse.h and remove headers accordingly - killed common.h - remove m_killhost.c and m_flags.c from contrib/ - sort out unused header includes here and there
#	Content
1	/*
2	* ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3	* numeric.c: Numeric handling functions.
4	*
5	* Copyright (C) 2002 by the past and present ircd coders, and others.
6	*
7	* This program is free software; you can redistribute it and/or modify
8	* it under the terms of the GNU General Public License as published by
9	* the Free Software Foundation; either version 2 of the License, or
10	* (at your option) any later version.
11	*
12	* This program is distributed in the hope that it will be useful,
13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15	* GNU General Public License for more details.
16	*
17	* You should have received a copy of the GNU General Public License
18	* along with this program; if not, write to the Free Software
19	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
20	* USA
21	*
22	* $Id$
23	*/
24
25	#include "stdinc.h"
26
27	#include "numeric.h"
28	#include "irc_string.h"
29	#include "memory.h"
30	#include "s_log.h"
31	#include "fileio.h"
32	#include "send.h"
33	#include "client.h"
34	#include "messages.tab"
35
36	static char used_locale[LOCALE_LENGTH] = "standard";
37
38	/*
39	* form_str
40	*
41	* inputs - numeric
42	* output - corresponding string
43	* side effects - NONE
44	*/
45	const char* form_str(int numeric)
46	{
47	assert(-1 < numeric);
48	assert(numeric < ERR_LAST_ERR_MSG);
49
50	if (numeric > ERR_LAST_ERR_MSG)
51	numeric = ERR_LAST_ERR_MSG;
52	if (numeric < 0)
53	numeric = ERR_LAST_ERR_MSG;
54
55	assert(replies[numeric].standard != NULL);
56
57	return (replies[numeric].translated != NULL ? replies[numeric].translated :
58	replies[numeric].standard);
59	}
60
61	/* Attempts to change a numeric with index "reply" to "new_reply".
62	* Returns 1 if ok, 0 otherwise.
63	*/
64	static int
65	change_reply(const char locale, int linecnt, int reply, char new_reply)
66	{
67	int found;
68	char *new = new_reply;
69	const char *old = replies[reply].standard;
70
71	for (; *new; new++)
72	{
73	if (*new == '%')
74	{
75	if (!*++new) break;
76	if (*new != '%')
77	{
78	/* We've just found a format symbol. Check if it is the next format
79	* symbol in the original reply.
80	*/
81	for (; new >= '0' && new <= '9'; new++); /* skip size prefix */
82	found = 0;
83	for (; *old; old++)
84	{
85	if (*old == '%')
86	{
87	if (!++old) break; / shouldn't happen */
88	if (*old != '%')
89	{
90	for (; old >= '0' && old <= '9'; old++); /* skip size prefix */
91	if (new != old++)
92	{
93	ilog(L_ERROR, "Incompatible format symbols (%s.lang, %d)",
94	locale, linecnt);
95	return 0;
96	}
97	found = 1;
98	break;
99	}
100	}
101	}
102	if (!found)
103	{
104	ilog(L_ERROR, "Too many format symbols (%s.lang, %d)", locale, linecnt);
105	return(0);
106	}
107	}
108	}
109	}
110
111	MyFree(replies[reply].translated);
112	DupString(replies[reply].translated, new_reply);
113	return(1);
114	}
115
116	/* Loads a language file. Errors are logged into the log file. */
117	void
118	set_locale(const char *locale)
119	{
120	int i, res = 1, linecnt = 0;
121	char buffer[IRCD_BUFSIZE + 1];
122	char ident, reply;
123	FBFILE *f;
124
125	/* Restore standard replies */
126	for (i = 0; i <= ERR_LAST_ERR_MSG; i++) /* 0 isn't a magic number! ;> */
127	{
128	if (replies[i].translated != NULL)
129	{
130	MyFree(replies[i].translated);
131	replies[i].translated = NULL;
132	}
133	}
134
135	if (strchr(locale, '/') != NULL)
136	{
137	strlcpy(used_locale, "standard", sizeof(used_locale)); /* XXX paranoid */
138	return;
139	}
140
141	/* yes, I know - the slash isn't necessary. But I have to be sure
142	* that it'll work even if some lame admin won't put "/" at the end
143	* of MSGPATH.
144	*/
145	snprintf(buffer, sizeof(buffer), "%s/%s.lang", MSGPATH, locale);
146	if ((f = fbopen(buffer, "r")) == NULL)
147	{
148	strlcpy(used_locale, "standard", sizeof(used_locale)); /* XXX */
149	return;
150	}
151
152	/* Process the language file */
153	while (fbgets(buffer, sizeof(buffer), f))
154	{
155	++linecnt;
156	if (buffer[0] == ';')
157	continue; /* that's a comment */
158
159	if ((ident = strpbrk(buffer, "\r\n")) != NULL)
160	*ident = '\0';
161
162	/* skip spaces if there are any */
163	for (ident = buffer; ident == ' ' \|\| ident == '\t'; ident++)/* null */;
164	if (*ident == '\0')
165	continue; /* empty line */
166
167	/* skip after the reply identificator */
168	for (reply = ident; reply != ' ' && reply != '\t' && *reply != ':';
169	reply++)
170	if (*reply == '\0') goto error;
171
172	if (reply == ' ' \|\| reply == '\t')
173	{
174	for (reply++ = '\0'; reply == ' ' \|\| *reply == '\t'; reply++);
175	if (*reply != ':')
176	{
177	error:
178	ilog(L_ERROR, "Invalid line in language file (%s.lang, %d)",
179	locale, linecnt);
180	res = 0;
181	continue;
182	}
183	}
184	else
185	*reply++ = '\0';
186	if (*ident == '\0')
187	goto error;
188
189	/* skip to the beginning of reply */
190	while (reply == ' ' \|\| reply == '\t') reply++;
191	if (*reply == '\0')
192	goto error;
193
194	for (i = 0; i <= ERR_LAST_ERR_MSG; i++)
195	{
196	if (replies[i].name != NULL)
197	{
198	if (irccmp(replies[i].name, ident) == 0)
199	{
200	if (!change_reply(locale, linecnt, i, reply)) res = 0;
201	i = -1;
202	break;
203	}
204	}
205	}
206	if (i != -1)
207	{
208	ilog(L_ERROR,
209	"Unknown numeric %s (%s.lang, %d)", ident, locale, linecnt);
210	res = 0;
211	}
212	}
213	fbclose(f);
214
215	strlcpy(used_locale, locale, sizeof(used_locale));
216	if (!res)
217	sendto_realops_flags(UMODE_ALL, L_ADMIN, "Language file [%s] contains "
218	"errors, check server log file for more details",
219	used_locale);
220	}
221
222	/* Returns the name of current locale. */
223	const char *
224	get_locale(void)
225	{
226	return used_locale;
227	}