[thirdparty/glibc.git] / locale / programs / ld-messages.c

/* Copyright (C) 1995, 1996 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper, <drepper@gnu.ai.mit.edu>.

The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.

The GNU C Library 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
Library General Public License for more details.

You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB.  If
not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.  */

#ifdef HAVE_CONFIG_H
# include <config.h>
#endif

#include <alloca.h>
#include <langinfo.h>
#include <string.h>
#include <sys/uio.h>

#ifdef HAVE_REGEX
# include <regex.h>
#else
# include <rx.h>
#endif

/* Undefine following line in production version.  */
/* #define NDEBUG 1 */
#include <assert.h>

#include "locales.h"
#include "stringtrans.h"
#include "localeinfo.h"


void *xmalloc (size_t __n);


/* The real definition of the struct for the LC_MESSAGES locale.  */
struct locale_messages_t
{
  const char *yesexpr;
  const char *noexpr;
  const char *yesstr;
  const char *nostr;
};


void
messages_startup (struct linereader *lr, struct localedef_t *locale,
		  struct charset_t *charset)
{
  struct locale_messages_t *messages;

  /* It is important that we always use UCS1 encoding for strings now.  */
  encoding_method = ENC_UCS1;

  locale->categories[LC_MESSAGES].messages = messages =
    (struct locale_messages_t *) xmalloc (sizeof (struct locale_messages_t));

  memset (messages, '\0', sizeof (struct locale_messages_t));
}


void
messages_finish (struct localedef_t *locale)
{
  struct locale_messages_t *messages
    = locale->categories[LC_MESSAGES].messages;

  /* The fields YESSTR and NOSTR are optional.  */
  if (messages->yesexpr == NULL)
    error (0, 0, _("field `%s' in category `%s' undefined"),
	   "yesexpr", "LC_MESSAGES");
  else
    {
      int result;
      regex_t re;

      /* Test whether it are correct regular expressions.  */
      result = regcomp (&re, messages->yesexpr, REG_EXTENDED);
      if (result != 0)
	{
	  char errbuf[BUFSIZ];

	  (void) regerror (result, &re, errbuf, BUFSIZ);
	  error (0, 0, _("\
no correct regular expression for field `%s' in category `%s': %s"),
		 "yesexpr", "LC_MESSAGES", errbuf);
	}
    }

  if (messages->noexpr == NULL)
    error (0, 0, _("field `%s' in category `%s' undefined"),
	   "noexpr", "LC_MESSAGES");
  else
    {
      int result;
      regex_t re;

      /* Test whether it are correct regular expressions.  */
      result = regcomp (&re, messages->noexpr, REG_EXTENDED);
      if (result != 0)
	{
	  char errbuf[BUFSIZ];

	  (void) regerror (result, &re, errbuf, BUFSIZ);
	  error (0, 0, _("\
no correct regular expression for field `%s' in category `%s': %s"),
		 "noexpr", "LC_MESSAGES", errbuf);
	}
    }
}


void
messages_output (struct localedef_t *locale, const char *output_path)
{
  struct locale_messages_t *messages
    = locale->categories[LC_MESSAGES].messages;
  struct iovec iov[2 + _NL_ITEM_INDEX (_NL_NUM_LC_MESSAGES)];
  struct locale_file data;
  u32_t idx[_NL_ITEM_INDEX (_NL_NUM_LC_MESSAGES)];
  size_t cnt = 0;

  if ((locale->binary & (1 << LC_MESSAGES)) != 0)
    {
      iov[0].iov_base = messages;
      iov[0].iov_len = locale->len[LC_MESSAGES];

      write_locale_data (output_path, "LC_MESSAGES", 1, iov);

      return;
    }

  data.magic = LIMAGIC (LC_MESSAGES);
  data.n = _NL_ITEM_INDEX (_NL_NUM_LC_MESSAGES);
  iov[cnt].iov_base = (void *) &data;
  iov[cnt].iov_len = sizeof (data);
  ++cnt;

  iov[cnt].iov_base = (void *) idx;
  iov[cnt].iov_len = sizeof (idx);
  ++cnt;

  idx[cnt - 2] = iov[0].iov_len + iov[1].iov_len;
  iov[cnt].iov_base = (void *) (messages->yesexpr ?: "");
  iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
  ++cnt;

  idx[cnt - 2] = idx[cnt - 3] + iov[cnt - 1].iov_len;
  iov[cnt].iov_base = (void *) (messages->noexpr ?: "");
  iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
  ++cnt;

  idx[cnt - 2] = idx[cnt - 3] + iov[cnt - 1].iov_len;
  iov[cnt].iov_base = (void *) (messages->yesstr ?: "");
  iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
  ++cnt;

  idx[cnt - 2] = idx[cnt - 3] + iov[cnt - 1].iov_len;
  iov[cnt].iov_base = (void *) (messages->nostr ?: "");
  iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;

  assert (cnt + 1 == 2 + _NL_ITEM_INDEX (_NL_NUM_LC_MESSAGES));

  write_locale_data (output_path, "LC_MESSAGES",
		     2 + _NL_ITEM_INDEX (_NL_NUM_LC_MESSAGES), iov);
}


void
messages_add (struct linereader *lr, struct localedef_t *locale,
	      enum token_t tok, struct token *code,
	      struct charset_t *charset)
{
  struct locale_messages_t *messages
    = locale->categories[LC_MESSAGES].messages;

  switch (tok)
    {
    case tok_yesexpr:
      if (code->val.str.start == NULL)
	{
	  lr_error (lr, _("unknown character in field `%s' of category `%s'"),
		    "yesexpr", "LC_MESSAGES");
	  messages->yesexpr = "";
	}
      else
	messages->yesexpr = code->val.str.start;
      break;

    case tok_noexpr:
      if (code->val.str.start == NULL)
	{
	  lr_error (lr, _("unknown character in field `%s' of category `%s'"),
		    "noexpr", "LC_MESSAGES");
	  messages->noexpr = "";
	}
      else
	messages->noexpr = code->val.str.start;
      break;

    case tok_yesstr:
      if (code->val.str.start == NULL)
	{
	  lr_error (lr, _("unknown character in field `%s' of category `%s'"),
		    "yesstr", "LC_MESSAGES");
	  messages->yesstr = "";
	}
      else
	messages->yesstr = code->val.str.start;
      break;

    case tok_nostr:
      if (code->val.str.start == NULL)
	{
	  lr_error (lr, _("unknown character in field `%s' of category `%s'"),
		    "nostr", "LC_MESSAGES");
	  messages->nostr = "";
	}
      else
	messages->nostr = code->val.str.start;
      break;

    default:
      assert (! "unknown token in category `LC_MESSAGES': should not happen");
    }
}
Commit	Line	Data
19bc17a9 RM	1	/* Copyright (C) 1995, 1996 Free Software Foundation, Inc.
	2	This file is part of the GNU C Library.
	3	Contributed by Ulrich Drepper, <drepper@gnu.ai.mit.edu>.
	4
	5	The GNU C Library is free software; you can redistribute it and/or
	6	modify it under the terms of the GNU Library General Public License as
	7	published by the Free Software Foundation; either version 2 of the
	8	License, or (at your option) any later version.
	9
	10	The GNU C Library is distributed in the hope that it will be useful,
	11	but WITHOUT ANY WARRANTY; without even the implied warranty of
	12	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	13	Library General Public License for more details.
	14
	15	You should have received a copy of the GNU Library General Public
	16	License along with the GNU C Library; see the file COPYING.LIB. If
	17	not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
	18	Boston, MA 02111-1307, USA. */
	19
	20	#ifdef HAVE_CONFIG_H
	21	# include <config.h>
	22	#endif
	23
	24	#include <alloca.h>
	25	#include <langinfo.h>
	26	#include <string.h>
	27	#include <sys/uio.h>
	28
	29	#ifdef HAVE_REGEX
	30	# include <regex.h>
	31	#else
	32	# include <rx.h>
	33	#endif
	34
	35	/* Undefine following line in production version. */
	36	/* #define NDEBUG 1 */
	37	#include <assert.h>
	38
	39	#include "locales.h"
	40	#include "stringtrans.h"
	41	#include "localeinfo.h"
	42
	43
	44	void *xmalloc (size_t __n);
	45
	46
	47	/* The real definition of the struct for the LC_MESSAGES locale. */
	48	struct locale_messages_t
	49	{
	50	const char *yesexpr;
	51	const char *noexpr;
	52	const char *yesstr;
	53	const char *nostr;
	54	};
	55
	56
	57	void
	58	messages_startup (struct linereader lr, struct localedef_t locale,
	59	struct charset_t *charset)
	60	{
	61	struct locale_messages_t *messages;
	62
	63	/* It is important that we always use UCS1 encoding for strings now. */
	64	encoding_method = ENC_UCS1;
65
66	locale->categories[LC_MESSAGES].messages = messages =
67	(struct locale_messages_t *) xmalloc (sizeof (struct locale_messages_t));
68
69	memset (messages, '\0', sizeof (struct locale_messages_t));
70	}
71
72
73	void
74	messages_finish (struct localedef_t *locale)
75	{
76	struct locale_messages_t *messages
77	= locale->categories[LC_MESSAGES].messages;
78
79	/* The fields YESSTR and NOSTR are optional. */
80	if (messages->yesexpr == NULL)
81	error (0, 0, _("field `%s' in category `%s' undefined"),
82	"yesexpr", "LC_MESSAGES");
83	else
84	{
85	int result;
86	regex_t re;
87
88	/* Test whether it are correct regular expressions. */
89	result = regcomp (&re, messages->yesexpr, REG_EXTENDED);
90	if (result != 0)
91	{
92	char errbuf[BUFSIZ];
93
94	(void) regerror (result, &re, errbuf, BUFSIZ);
95	error (0, 0, _("\
96	no correct regular expression for field `%s' in category `%s': %s"),
97	"yesexpr", "LC_MESSAGES", errbuf);
98	}
99	}
100
101	if (messages->noexpr == NULL)
102	error (0, 0, _("field `%s' in category `%s' undefined"),
103	"noexpr", "LC_MESSAGES");
104	else
105	{
106	int result;
107	regex_t re;
108
109	/* Test whether it are correct regular expressions. */
110	result = regcomp (&re, messages->noexpr, REG_EXTENDED);
111	if (result != 0)
112	{
113	char errbuf[BUFSIZ];
114
115	(void) regerror (result, &re, errbuf, BUFSIZ);
116	error (0, 0, _("\
117	no correct regular expression for field `%s' in category `%s': %s"),
118	"noexpr", "LC_MESSAGES", errbuf);
119	}
120	}
121	}
122
123
124	void
125	messages_output (struct localedef_t locale, const char output_path)
126	{
127	struct locale_messages_t *messages
128	= locale->categories[LC_MESSAGES].messages;
129	struct iovec iov[2 + _NL_ITEM_INDEX (_NL_NUM_LC_MESSAGES)];
130	struct locale_file data;
131	u32_t idx[_NL_ITEM_INDEX (_NL_NUM_LC_MESSAGES)];
132	size_t cnt = 0;
133
134	if ((locale->binary & (1 << LC_MESSAGES)) != 0)
135	{
136	iov[0].iov_base = messages;
137	iov[0].iov_len = locale->len[LC_MESSAGES];
138
139	write_locale_data (output_path, "LC_MESSAGES", 1, iov);
140
141	return;
142	}
143
144	data.magic = LIMAGIC (LC_MESSAGES);
145	data.n = _NL_ITEM_INDEX (_NL_NUM_LC_MESSAGES);
146	iov[cnt].iov_base = (void *) &data;
147	iov[cnt].iov_len = sizeof (data);
148	++cnt;
149
150	iov[cnt].iov_base = (void *) idx;
151	iov[cnt].iov_len = sizeof (idx);
152	++cnt;
153
154	idx[cnt - 2] = iov[0].iov_len + iov[1].iov_len;
155	iov[cnt].iov_base = (void *) (messages->yesexpr ?: "");
156	iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
157	++cnt;
158
159	idx[cnt - 2] = idx[cnt - 3] + iov[cnt - 1].iov_len;
160	iov[cnt].iov_base = (void *) (messages->noexpr ?: "");
161	iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
162	++cnt;
163
164	idx[cnt - 2] = idx[cnt - 3] + iov[cnt - 1].iov_len;
165	iov[cnt].iov_base = (void *) (messages->yesstr ?: "");
166	iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
167	++cnt;
168
169	idx[cnt - 2] = idx[cnt - 3] + iov[cnt - 1].iov_len;
170	iov[cnt].iov_base = (void *) (messages->nostr ?: "");
171	iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
172
173	assert (cnt + 1 == 2 + _NL_ITEM_INDEX (_NL_NUM_LC_MESSAGES));
174
175	write_locale_data (output_path, "LC_MESSAGES",
176	2 + _NL_ITEM_INDEX (_NL_NUM_LC_MESSAGES), iov);
177	}
178
179
180	void
181	messages_add (struct linereader lr, struct localedef_t locale,
182	enum token_t tok, struct token *code,
183	struct charset_t *charset)
184	{
185	struct locale_messages_t *messages
186	= locale->categories[LC_MESSAGES].messages;
187
188	switch (tok)
189	{
190	case tok_yesexpr:
191	if (code->val.str.start == NULL)
192	{
193	lr_error (lr, _("unknown character in field `%s' of category `%s'"),
194	"yesexpr", "LC_MESSAGES");
195	messages->yesexpr = "";
196	}
197	else
198	messages->yesexpr = code->val.str.start;
199	break;
200
201	case tok_noexpr:
202	if (code->val.str.start == NULL)
203	{
204	lr_error (lr, _("unknown character in field `%s' of category `%s'"),
205	"noexpr", "LC_MESSAGES");
206	messages->noexpr = "";
207	}
208	else
209	messages->noexpr = code->val.str.start;
210	break;
211
212	case tok_yesstr:
213	if (code->val.str.start == NULL)
214	{
215	lr_error (lr, _("unknown character in field `%s' of category `%s'"),
216	"yesstr", "LC_MESSAGES");
217	messages->yesstr = "";
218	}
219	else
220	messages->yesstr = code->val.str.start;
221	break;
222
223	case tok_nostr:
224	if (code->val.str.start == NULL)
225	{
226	lr_error (lr, _("unknown character in field `%s' of category `%s'"),
227	"nostr", "LC_MESSAGES");
228	messages->nostr = "";
229	}
230	else
231	messages->nostr = code->val.str.start;
232	break;
233
234	default:
235	assert (! "unknown token in category `LC_MESSAGES': should not happen");
236	}
237	}