ap/libc/glibc/glibc-2.23/locale/programs/ld-messages.c - T106_DC - Gitiles

 /* Copyright (C) 1995-2016 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@gnu.org>, 1995.

    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; 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, see <http://www.gnu.org/licenses/>.  */

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

 #include <langinfo.h>
 #include <sys/types.h>
 #include <regex.h>
 #include <string.h>
 #include <stdint.h>
 #include <sys/uio.h>

 #include <assert.h>

 #include "localedef.h"
 #include "linereader.h"
 #include "localeinfo.h"
 #include "locfile.h"


 /* 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;
 };


 static void
 messages_startup (struct linereader *lr, struct localedef_t *locale,
 		  int ignore_content)
 {
   if (!ignore_content)
     locale->categories[LC_MESSAGES].messages =
       (struct locale_messages_t *) xcalloc (1,
 					    sizeof (struct locale_messages_t));

   if (lr != NULL)
     {
       lr->translate_strings = 1;
       lr->return_widestr = 0;
     }
 }


 void
 messages_finish (struct localedef_t *locale, const struct charmap_t *charmap)
 {
   struct locale_messages_t *messages
     = locale->categories[LC_MESSAGES].messages;
   int nothing = 0;

   /* Now resolve copying and also handle completely missing definitions.  */
   if (messages == NULL)
     {
       /* First see whether we were supposed to copy.  If yes, find the
 	 actual definition.  */
       if (locale->copy_name[LC_MESSAGES] != NULL)
 	{
 	  /* Find the copying locale.  This has to happen transitively since
 	     the locale we are copying from might also copying another one.  */
 	  struct localedef_t *from = locale;

 	  do
 	    from = find_locale (LC_MESSAGES, from->copy_name[LC_MESSAGES],
 				from->repertoire_name, charmap);
 	  while (from->categories[LC_MESSAGES].messages == NULL
 		 && from->copy_name[LC_MESSAGES] != NULL);

 	  messages = locale->categories[LC_MESSAGES].messages
 	    = from->categories[LC_MESSAGES].messages;
 	}

       /* If there is still no definition issue an warning and create an
 	 empty one.  */
       if (messages == NULL)
 	{
 	  if (! be_quiet)
 	    WITH_CUR_LOCALE (error (0, 0, _("\
 No definition for %s category found"), "LC_MESSAGES"));
 	  messages_startup (NULL, locale, 0);
 	  messages = locale->categories[LC_MESSAGES].messages;
 	  nothing = 1;
 	}
     }

   /* The fields YESSTR and NOSTR are optional.  */
   if (messages->yesstr == NULL)
     messages->yesstr = "";
   if (messages->nostr == NULL)
     messages->nostr = "";

   if (messages->yesexpr == NULL)
     {
       if (! be_quiet && ! nothing)
 	WITH_CUR_LOCALE (error (0, 0, _("%s: field `%s' undefined"),
 				"LC_MESSAGES", "yesexpr"));
       messages->yesexpr = "^[yY]";
     }
   else if (messages->yesexpr[0] == '\0')
     {
       if (!be_quiet)
 	WITH_CUR_LOCALE (error (0, 0, _("\
 %s: value for field `%s' must not be an empty string"),
 				"LC_MESSAGES", "yesexpr"));
     }
   else
     {
       int result;
       regex_t re;

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

 	  (void) regerror (result, &re, errbuf, BUFSIZ);
 	  WITH_CUR_LOCALE (error (0, 0, _("\
 %s: no correct regular expression for field `%s': %s"),
 				  "LC_MESSAGES", "yesexpr", errbuf));
 	}
       else if (result != 0)
 	regfree (&re);
     }

   if (messages->noexpr == NULL)
     {
       if (! be_quiet && ! nothing)
 	WITH_CUR_LOCALE (error (0, 0, _("%s: field `%s' undefined"),
 				"LC_MESSAGES", "noexpr"));
       messages->noexpr = "^[nN]";
     }
   else if (messages->noexpr[0] == '\0')
     {
       if (!be_quiet)
 	WITH_CUR_LOCALE (error (0, 0, _("\
 %s: value for field `%s' must not be an empty string"),
 				"LC_MESSAGES", "noexpr"));
     }
   else
     {
       int result;
       regex_t re;

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

 	  (void) regerror (result, &re, errbuf, BUFSIZ);
 	  WITH_CUR_LOCALE (error (0, 0, _("\
 %s: no correct regular expression for field `%s': %s"),
 				  "LC_MESSAGES", "noexpr", errbuf));
 	}
       else if (result != 0)
 	regfree (&re);
     }
 }


 void
 messages_output (struct localedef_t *locale, const struct charmap_t *charmap,
 		 const char *output_path)
 {
   struct locale_messages_t *messages
     = locale->categories[LC_MESSAGES].messages;
   struct locale_file file;

   init_locale_data (&file, _NL_ITEM_INDEX (_NL_NUM_LC_MESSAGES));
   add_locale_string (&file, messages->yesexpr);
   add_locale_string (&file, messages->noexpr);
   add_locale_string (&file, messages->yesstr);
   add_locale_string (&file, messages->nostr);
   add_locale_string (&file, charmap->code_set_name);
   write_locale_data (output_path, LC_MESSAGES, "LC_MESSAGES", &file);
 }


 /* The parser for the LC_MESSAGES section of the locale definition.  */
 void
 messages_read (struct linereader *ldfile, struct localedef_t *result,
 	       const struct charmap_t *charmap, const char *repertoire_name,
 	       int ignore_content)
 {
   struct repertoire_t *repertoire = NULL;
   struct locale_messages_t *messages;
   struct token *now;
   enum token_t nowtok;

   /* Get the repertoire we have to use.  */
   if (repertoire_name != NULL)
     repertoire = repertoire_read (repertoire_name);

   /* The rest of the line containing `LC_MESSAGES' must be free.  */
   lr_ignore_rest (ldfile, 1);


   do
     {
       now = lr_token (ldfile, charmap, result, NULL, verbose);
       nowtok = now->tok;
     }
   while (nowtok == tok_eol);

   /* If we see `copy' now we are almost done.  */
   if (nowtok == tok_copy)
     {
       handle_copy (ldfile, charmap, repertoire_name, result, tok_lc_messages,
 		   LC_MESSAGES, "LC_MESSAGES", ignore_content);
       return;
     }

   /* Prepare the data structures.  */
   messages_startup (ldfile, result, ignore_content);
   messages = result->categories[LC_MESSAGES].messages;

   while (1)
     {
       struct token *arg;

       /* Of course we don't proceed beyond the end of file.  */
       if (nowtok == tok_eof)
 	break;

       /* Ignore empty lines.  */
       if (nowtok == tok_eol)
 	{
 	  now = lr_token (ldfile, charmap, result, NULL, verbose);
 	  nowtok = now->tok;
 	  continue;
 	}

       switch (nowtok)
 	{
 #define STR_ELEM(cat) \
 	case tok_##cat:							      \
 	  /* Ignore the rest of the line if we don't need the input of	      \
 	     this line.  */						      \
 	  if (ignore_content)						      \
 	    {								      \
 	      lr_ignore_rest (ldfile, 0);				      \
 	      break;							      \
 	    }								      \
 									      \
 	  if (messages->cat != NULL)					      \
 	    {								      \
 	      lr_error (ldfile, _("\
 %s: field `%s' declared more than once"), "LC_MESSAGES", #cat);		      \
 	      lr_ignore_rest (ldfile, 0);				      \
 	      break;							      \
 	    }								      \
 	  now = lr_token (ldfile, charmap, result, repertoire, verbose);      \
 	  if (now->tok != tok_string)					      \
 	    goto syntax_error;						      \
 	  else if (!ignore_content && now->val.str.startmb == NULL)	      \
 	    {								      \
 	      lr_error (ldfile, _("\
 %s: unknown character in field `%s'"), "LC_MESSAGES", #cat);		      \
 	      messages->cat = "";					      \
 	    }								      \
 	  else if (!ignore_content)					      \
 	    messages->cat = now->val.str.startmb;			      \
 	  break

 	  STR_ELEM (yesexpr);
 	  STR_ELEM (noexpr);
 	  STR_ELEM (yesstr);
 	  STR_ELEM (nostr);

 	case tok_end:
 	  /* Next we assume `LC_MESSAGES'.  */
 	  arg = lr_token (ldfile, charmap, result, NULL, verbose);
 	  if (arg->tok == tok_eof)
 	    break;
 	  if (arg->tok == tok_eol)
 	    lr_error (ldfile, _("%s: incomplete `END' line"), "LC_MESSAGES");
 	  else if (arg->tok != tok_lc_messages)
 	    lr_error (ldfile, _("\
 %1$s: definition does not end with `END %1$s'"), "LC_MESSAGES");
 	  lr_ignore_rest (ldfile, arg->tok == tok_lc_messages);
 	  return;

 	default:
 	syntax_error:
 	  SYNTAX_ERROR (_("%s: syntax error"), "LC_MESSAGES");
 	}

       /* Prepare for the next round.  */
       now = lr_token (ldfile, charmap, result, NULL, verbose);
       nowtok = now->tok;
     }

   /* When we come here we reached the end of the file.  */
   lr_error (ldfile, _("%s: premature end of file"), "LC_MESSAGES");
 }
	/* Copyright (C) 1995-2016 Free Software Foundation, Inc.
	This file is part of the GNU C Library.
	Contributed by Ulrich Drepper <drepper@gnu.org>, 1995.

	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; 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, see <http://www.gnu.org/licenses/>. */

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

	#include <langinfo.h>
	#include <sys/types.h>
	#include <regex.h>
	#include <string.h>
	#include <stdint.h>
	#include <sys/uio.h>

	#include <assert.h>

	#include "localedef.h"
	#include "linereader.h"
	#include "localeinfo.h"
	#include "locfile.h"


	/* 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;
	};


	static void
	messages_startup (struct linereader lr, struct localedef_t locale,
	int ignore_content)
	{
	if (!ignore_content)
	locale->categories[LC_MESSAGES].messages =
	(struct locale_messages_t *) xcalloc (1,
	sizeof (struct locale_messages_t));

	if (lr != NULL)
	{
	lr->translate_strings = 1;
	lr->return_widestr = 0;
	}
	}


	void
	messages_finish (struct localedef_t locale, const struct charmap_t charmap)
	{
	struct locale_messages_t *messages
	= locale->categories[LC_MESSAGES].messages;
	int nothing = 0;

	/* Now resolve copying and also handle completely missing definitions. */
	if (messages == NULL)
	{
	/* First see whether we were supposed to copy. If yes, find the
	actual definition. */
	if (locale->copy_name[LC_MESSAGES] != NULL)
	{
	/* Find the copying locale. This has to happen transitively since
	the locale we are copying from might also copying another one. */
	struct localedef_t *from = locale;

	do
	from = find_locale (LC_MESSAGES, from->copy_name[LC_MESSAGES],
	from->repertoire_name, charmap);
	while (from->categories[LC_MESSAGES].messages == NULL
	&& from->copy_name[LC_MESSAGES] != NULL);

	messages = locale->categories[LC_MESSAGES].messages
	= from->categories[LC_MESSAGES].messages;
	}

	/* If there is still no definition issue an warning and create an
	empty one. */
	if (messages == NULL)
	{
	if (! be_quiet)
	WITH_CUR_LOCALE (error (0, 0, _("\
	No definition for %s category found"), "LC_MESSAGES"));
	messages_startup (NULL, locale, 0);
	messages = locale->categories[LC_MESSAGES].messages;
	nothing = 1;
	}
	}

	/* The fields YESSTR and NOSTR are optional. */
	if (messages->yesstr == NULL)
	messages->yesstr = "";
	if (messages->nostr == NULL)
	messages->nostr = "";

	if (messages->yesexpr == NULL)
	{
	if (! be_quiet && ! nothing)
	WITH_CUR_LOCALE (error (0, 0, _("%s: field `%s' undefined"),
	"LC_MESSAGES", "yesexpr"));
	messages->yesexpr = "^[yY]";
	}
	else if (messages->yesexpr[0] == '\0')
	{
	if (!be_quiet)
	WITH_CUR_LOCALE (error (0, 0, _("\
	%s: value for field `%s' must not be an empty string"),
	"LC_MESSAGES", "yesexpr"));
	}
	else
	{
	int result;
	regex_t re;

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

	(void) regerror (result, &re, errbuf, BUFSIZ);
	WITH_CUR_LOCALE (error (0, 0, _("\
	%s: no correct regular expression for field `%s': %s"),
	"LC_MESSAGES", "yesexpr", errbuf));
	}
	else if (result != 0)
	regfree (&re);
	}

	if (messages->noexpr == NULL)
	{
	if (! be_quiet && ! nothing)
	WITH_CUR_LOCALE (error (0, 0, _("%s: field `%s' undefined"),
	"LC_MESSAGES", "noexpr"));
	messages->noexpr = "^[nN]";
	}
	else if (messages->noexpr[0] == '\0')
	{
	if (!be_quiet)
	WITH_CUR_LOCALE (error (0, 0, _("\
	%s: value for field `%s' must not be an empty string"),
	"LC_MESSAGES", "noexpr"));
	}
	else
	{
	int result;
	regex_t re;

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

	(void) regerror (result, &re, errbuf, BUFSIZ);
	WITH_CUR_LOCALE (error (0, 0, _("\
	%s: no correct regular expression for field `%s': %s"),
	"LC_MESSAGES", "noexpr", errbuf));
	}
	else if (result != 0)
	regfree (&re);
	}
	}


	void
	messages_output (struct localedef_t locale, const struct charmap_t charmap,
	const char *output_path)
	{
	struct locale_messages_t *messages
	= locale->categories[LC_MESSAGES].messages;
	struct locale_file file;

	init_locale_data (&file, _NL_ITEM_INDEX (_NL_NUM_LC_MESSAGES));
	add_locale_string (&file, messages->yesexpr);
	add_locale_string (&file, messages->noexpr);
	add_locale_string (&file, messages->yesstr);
	add_locale_string (&file, messages->nostr);
	add_locale_string (&file, charmap->code_set_name);
	write_locale_data (output_path, LC_MESSAGES, "LC_MESSAGES", &file);
	}


	/* The parser for the LC_MESSAGES section of the locale definition. */
	void
	messages_read (struct linereader ldfile, struct localedef_t result,
	const struct charmap_t charmap, const char repertoire_name,
	int ignore_content)
	{
	struct repertoire_t *repertoire = NULL;
	struct locale_messages_t *messages;
	struct token *now;
	enum token_t nowtok;

	/* Get the repertoire we have to use. */
	if (repertoire_name != NULL)
	repertoire = repertoire_read (repertoire_name);

	/* The rest of the line containing `LC_MESSAGES' must be free. */
	lr_ignore_rest (ldfile, 1);


	do
	{
	now = lr_token (ldfile, charmap, result, NULL, verbose);
	nowtok = now->tok;
	}
	while (nowtok == tok_eol);

	/* If we see `copy' now we are almost done. */
	if (nowtok == tok_copy)
	{
	handle_copy (ldfile, charmap, repertoire_name, result, tok_lc_messages,
	LC_MESSAGES, "LC_MESSAGES", ignore_content);
	return;
	}

	/* Prepare the data structures. */
	messages_startup (ldfile, result, ignore_content);
	messages = result->categories[LC_MESSAGES].messages;

	while (1)
	{
	struct token *arg;

	/* Of course we don't proceed beyond the end of file. */
	if (nowtok == tok_eof)
	break;

	/* Ignore empty lines. */
	if (nowtok == tok_eol)
	{
	now = lr_token (ldfile, charmap, result, NULL, verbose);
	nowtok = now->tok;
	continue;
	}

	switch (nowtok)
	{
	#define STR_ELEM(cat) \
	case tok_##cat: \
	/* Ignore the rest of the line if we don't need the input of \
	this line. */ \
	if (ignore_content) \
	{ \
	lr_ignore_rest (ldfile, 0); \
	break; \
	} \
	\
	if (messages->cat != NULL) \
	{ \
	lr_error (ldfile, _("\
	%s: field `%s' declared more than once"), "LC_MESSAGES", #cat); \
	lr_ignore_rest (ldfile, 0); \
	break; \
	} \
	now = lr_token (ldfile, charmap, result, repertoire, verbose); \
	if (now->tok != tok_string) \
	goto syntax_error; \
	else if (!ignore_content && now->val.str.startmb == NULL) \
	{ \
	lr_error (ldfile, _("\
	%s: unknown character in field `%s'"), "LC_MESSAGES", #cat); \
	messages->cat = ""; \
	} \
	else if (!ignore_content) \
	messages->cat = now->val.str.startmb; \
	break

	STR_ELEM (yesexpr);
	STR_ELEM (noexpr);
	STR_ELEM (yesstr);
	STR_ELEM (nostr);

	case tok_end:
	/* Next we assume `LC_MESSAGES'. */
	arg = lr_token (ldfile, charmap, result, NULL, verbose);
	if (arg->tok == tok_eof)
	break;
	if (arg->tok == tok_eol)
	lr_error (ldfile, _("%s: incomplete `END' line"), "LC_MESSAGES");
	else if (arg->tok != tok_lc_messages)
	lr_error (ldfile, _("\
	%1$s: definition does not end with `END %1$s'"), "LC_MESSAGES");
	lr_ignore_rest (ldfile, arg->tok == tok_lc_messages);
	return;

	default:
	syntax_error:
	SYNTAX_ERROR (_("%s: syntax error"), "LC_MESSAGES");
	}

	/* Prepare for the next round. */
	now = lr_token (ldfile, charmap, result, NULL, verbose);
	nowtok = now->tok;
	}

	/* When we come here we reached the end of the file. */
	lr_error (ldfile, _("%s: premature end of file"), "LC_MESSAGES");
	}