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 "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(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;
  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(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;
    }
  }
  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:	1309
Committed:	Sun Mar 25 11:24:18 2012 UTC (13 years, 5 months ago) by michael
Content type:	text/x-csrc
Original Path:	*ircd-hybrid-8/src/numeric.c*
File size:	5908 byte(s)
Log Message:	- renaming files: ircd_parser.y -> conf_parser.y ircd_lexer.l -> conf_lexer.l s_conf.c -> conf.c s_conf.h -> conf.h s_log.c -> log.c s_log.h -> log.h
#	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 "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	michael	1247	ilog(LOG_TYPE_IRCD, "Incompatible format symbols (%s.lang, %d)",
94			locale, linecnt);
95	adx	30	return 0;
96			}
97			found = 1;
98			break;
99			}
100			}
101			}
102			if (!found)
103			{
104	michael	1247	ilog(LOG_TYPE_IRCD, "Too many format symbols (%s.lang, %d)", locale, linecnt);
105	adx	30	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	michael	1247	ilog(LOG_TYPE_IRCD, "Invalid line in language file (%s.lang, %d)",
179			locale, linecnt);
180	adx	30	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	michael	1247	ilog(LOG_TYPE_IRCD,
209	adx	30	"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			}