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 "log.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(LOG_TYPE_IRCD, "Incompatible format symbols (%s.lang, %d)",
                     locale, linecnt);
                return 0;
              }
              found = 1;
              break;
            }
          }
        }
        if (!found)
        {
          ilog(LOG_TYPE_IRCD, "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;
  FILE *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 = fopen(buffer, "r")) == NULL)
  {
    strlcpy(used_locale, "standard", sizeof(used_locale));  /* XXX */
    return;
  }

  /* Process the language file */
  while (fgets(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(LOG_TYPE_IRCD, "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(LOG_TYPE_IRCD,
           "Unknown numeric %s (%s.lang, %d)", ident, locale, linecnt);
      res = 0;
    }
  }
  fclose(f);

  strlcpy(used_locale, locale, sizeof(used_locale));
  if (!res)
    sendto_realops_flags(UMODE_ALL, L_ADMIN, SEND_NOTICE,
                         "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:	1618
Committed:	Tue Oct 30 21:04:38 2012 UTC (12 years, 9 months ago) by michael
Content type:	text/x-csrc
File size:	5921 byte(s)
Log Message:	- Made m_globops() and ms_globops() use sendto_realops_flags() - Added message-type parameter to sendto_realops_flags() which can be one of SEND_NOTICE, SEND_GLOBAL, SEND_LOCOPS - Forward-port -r1617
#	User	Rev	Content
1	adx	30	/*
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	knight	31	* $Id$
23	adx	30	*/
24
25			#include "stdinc.h"
26
27			#include "numeric.h"
28			#include "irc_string.h"
29			#include "memory.h"
30	michael	1309	#include "log.h"
31	adx	30	#include "send.h"
32			#include "client.h"
33			#include "messages.tab"
34
35			static char used_locale[LOCALE_LENGTH] = "standard";
36
37			/*
38			* form_str
39			*
40			* inputs - numeric
41			* output - corresponding string
42			* side effects - NONE
43			*/
44			const char* form_str(int numeric)
45			{
46			assert(-1 < numeric);
47			assert(numeric < ERR_LAST_ERR_MSG);
48
49			if (numeric > ERR_LAST_ERR_MSG)
50			numeric = ERR_LAST_ERR_MSG;
51			if (numeric < 0)
52			numeric = ERR_LAST_ERR_MSG;
53
54			assert(replies[numeric].standard != NULL);
55
56			return (replies[numeric].translated != NULL ? replies[numeric].translated :
57			replies[numeric].standard);
58			}
59
60			/* Attempts to change a numeric with index "reply" to "new_reply".
61			* Returns 1 if ok, 0 otherwise.
62			*/
63			static int
64			change_reply(const char locale, int linecnt, int reply, char new_reply)
65			{
66			int found;
67			char *new = new_reply;
68			const char *old = replies[reply].standard;
69
70			for (; *new; new++)
71			{
72			if (*new == '%')
73			{
74			if (!*++new) break;
75			if (*new != '%')
76			{
77			/* We've just found a format symbol. Check if it is the next format
78			* symbol in the original reply.
79			*/
80			for (; new >= '0' && new <= '9'; new++); /* skip size prefix */
81			found = 0;
82			for (; *old; old++)
83			{
84			if (*old == '%')
85			{
86			if (!++old) break; / shouldn't happen */
87			if (*old != '%')
88			{
89			for (; old >= '0' && old <= '9'; old++); /* skip size prefix */
90			if (new != old++)
91			{
92	michael	1247	ilog(LOG_TYPE_IRCD, "Incompatible format symbols (%s.lang, %d)",
93			locale, linecnt);
94	adx	30	return 0;
95			}
96			found = 1;
97			break;
98			}
99			}
100			}
101			if (!found)
102			{
103	michael	1247	ilog(LOG_TYPE_IRCD, "Too many format symbols (%s.lang, %d)", locale, linecnt);
104	adx	30	return(0);
105			}
106			}
107			}
108			}
109
110			MyFree(replies[reply].translated);
111			DupString(replies[reply].translated, new_reply);
112			return(1);
113			}
114
115			/* Loads a language file. Errors are logged into the log file. */
116			void
117			set_locale(const char *locale)
118			{
119			int i, res = 1, linecnt = 0;
120			char buffer[IRCD_BUFSIZE + 1];
121			char ident, reply;
122	michael	1325	FILE *f;
123	adx	30
124			/* Restore standard replies */
125			for (i = 0; i <= ERR_LAST_ERR_MSG; i++) /* 0 isn't a magic number! ;> */
126			{
127			if (replies[i].translated != NULL)
128			{
129			MyFree(replies[i].translated);
130			replies[i].translated = NULL;
131			}
132			}
133
134			if (strchr(locale, '/') != NULL)
135			{
136			strlcpy(used_locale, "standard", sizeof(used_locale)); /* XXX paranoid */
137			return;
138			}
139
140			/* yes, I know - the slash isn't necessary. But I have to be sure
141			* that it'll work even if some lame admin won't put "/" at the end
142			* of MSGPATH.
143			*/
144			snprintf(buffer, sizeof(buffer), "%s/%s.lang", MSGPATH, locale);
145	michael	1325	if ((f = fopen(buffer, "r")) == NULL)
146	adx	30	{
147			strlcpy(used_locale, "standard", sizeof(used_locale)); /* XXX */
148			return;
149			}
150
151			/* Process the language file */
152	michael	1325	while (fgets(buffer, sizeof(buffer), f))
153	adx	30	{
154			++linecnt;
155			if (buffer[0] == ';')
156			continue; /* that's a comment */
157
158			if ((ident = strpbrk(buffer, "\r\n")) != NULL)
159			*ident = '\0';
160
161			/* skip spaces if there are any */
162			for (ident = buffer; ident == ' ' \|\| ident == '\t'; ident++)/* null */;
163			if (*ident == '\0')
164			continue; /* empty line */
165
166			/* skip after the reply identificator */
167			for (reply = ident; reply != ' ' && reply != '\t' && *reply != ':';
168			reply++)
169			if (*reply == '\0') goto error;
170
171			if (reply == ' ' \|\| reply == '\t')
172			{
173			for (reply++ = '\0'; reply == ' ' \|\| *reply == '\t'; reply++);
174			if (*reply != ':')
175			{
176			error:
177	michael	1247	ilog(LOG_TYPE_IRCD, "Invalid line in language file (%s.lang, %d)",
178			locale, linecnt);
179	adx	30	res = 0;
180			continue;
181			}
182			}
183			else
184			*reply++ = '\0';
185			if (*ident == '\0')
186			goto error;
187
188			/* skip to the beginning of reply */
189			while (reply == ' ' \|\| reply == '\t') reply++;
190			if (*reply == '\0')
191			goto error;
192
193			for (i = 0; i <= ERR_LAST_ERR_MSG; i++)
194			{
195			if (replies[i].name != NULL)
196			{
197			if (irccmp(replies[i].name, ident) == 0)
198			{
199			if (!change_reply(locale, linecnt, i, reply)) res = 0;
200			i = -1;
201			break;
202			}
203			}
204			}
205			if (i != -1)
206			{
207	michael	1247	ilog(LOG_TYPE_IRCD,
208	adx	30	"Unknown numeric %s (%s.lang, %d)", ident, locale, linecnt);
209			res = 0;
210			}
211			}
212	michael	1325	fclose(f);
213	adx	30
214			strlcpy(used_locale, locale, sizeof(used_locale));
215			if (!res)
216	michael	1618	sendto_realops_flags(UMODE_ALL, L_ADMIN, SEND_NOTICE,
217			"Language file [%s] contains "
218	adx	30	"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			}