www.pudn.com > gedit-2.8.3.rar > explodename.c


/* Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc. 
   Contributed by Ulrich Drepper , 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; either version 2, 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.  */ 
 
#ifdef HAVE_CONFIG_H 
# include  
#endif 
 
#if defined STDC_HEADERS || defined _LIBC 
# include  
#endif 
 
#if defined HAVE_STRING_H || defined _LIBC 
# include  
#else 
# include  
#endif 
#include  
 
#include "loadinfo.h" 
 
/* On some strange systems still no definition of NULL is found.  Sigh!  */ 
#ifndef NULL 
# if defined __STDC__ && __STDC__ 
#  define NULL ((void *) 0) 
# else 
#  define NULL 0 
# endif 
#endif 
 
/* @@ end of prolog @@ */ 
 
int 
_nl_explode_name (name, language, modifier, territory, codeset, 
		  normalized_codeset, special, sponsor, revision) 
     char *name; 
     const char **language; 
     const char **modifier; 
     const char **territory; 
     const char **codeset; 
     const char **normalized_codeset; 
     const char **special; 
     const char **sponsor; 
     const char **revision; 
{ 
  enum { undecided, xpg, cen } syntax; 
  char *cp; 
  int mask; 
 
  *modifier = NULL; 
  *territory = NULL; 
  *codeset = NULL; 
  *normalized_codeset = NULL; 
  *special = NULL; 
  *sponsor = NULL; 
  *revision = NULL; 
 
  /* Now we determine the single parts of the locale name.  First 
     look for the language.  Termination symbols are `_' and `@' if 
     we use XPG4 style, and `_', `+', and `,' if we use CEN syntax.  */ 
  mask = 0; 
  syntax = undecided; 
  *language = cp = name; 
  while (cp[0] != '\0' && cp[0] != '_' && cp[0] != '@' 
	 && cp[0] != '+' && cp[0] != ',') 
    ++cp; 
 
  if (*language == cp) 
    /* This does not make sense: language has to be specified.  Use 
       this entry as it is without exploding.  Perhaps it is an alias.  */ 
    cp = strchr (*language, '\0'); 
  else if (cp[0] == '_') 
    { 
      /* Next is the territory.  */ 
      cp[0] = '\0'; 
      *territory = ++cp; 
 
      while (cp[0] != '\0' && cp[0] != '.' && cp[0] != '@' 
	     && cp[0] != '+' && cp[0] != ',' && cp[0] != '_') 
	++cp; 
 
      mask |= TERRITORY; 
 
      if (cp[0] == '.') 
	{ 
	  /* Next is the codeset.  */ 
	  syntax = xpg; 
	  cp[0] = '\0'; 
	  *codeset = ++cp; 
 
	  while (cp[0] != '\0' && cp[0] != '@') 
	    ++cp; 
 
	  mask |= XPG_CODESET; 
 
	  if (*codeset != cp && (*codeset)[0] != '\0') 
	    { 
	      *normalized_codeset = _nl_normalize_codeset (*codeset, 
							   cp - *codeset); 
	      if (strcmp (*codeset, *normalized_codeset) == 0) 
		free ((char *) *normalized_codeset); 
	      else 
		mask |= XPG_NORM_CODESET; 
	    } 
	} 
    } 
 
  if (cp[0] == '@' || (syntax != xpg && cp[0] == '+')) 
    { 
      /* Next is the modifier.  */ 
      syntax = cp[0] == '@' ? xpg : cen; 
      cp[0] = '\0'; 
      *modifier = ++cp; 
 
      while (syntax == cen && cp[0] != '\0' && cp[0] != '+' 
	     && cp[0] != ',' && cp[0] != '_') 
	++cp; 
 
      mask |= XPG_MODIFIER | CEN_AUDIENCE; 
    } 
 
  if (syntax != xpg && (cp[0] == '+' || cp[0] == ',' || cp[0] == '_')) 
    { 
      syntax = cen; 
 
      if (cp[0] == '+') 
	{ 
 	  /* Next is special application (CEN syntax).  */ 
	  cp[0] = '\0'; 
	  *special = ++cp; 
 
	  while (cp[0] != '\0' && cp[0] != ',' && cp[0] != '_') 
	    ++cp; 
 
	  mask |= CEN_SPECIAL; 
	} 
 
      if (cp[0] == ',') 
	{ 
 	  /* Next is sponsor (CEN syntax).  */ 
	  cp[0] = '\0'; 
	  *sponsor = ++cp; 
 
	  while (cp[0] != '\0' && cp[0] != '_') 
	    ++cp; 
 
	  mask |= CEN_SPONSOR; 
	} 
 
      if (cp[0] == '_') 
	{ 
 	  /* Next is revision (CEN syntax).  */ 
	  cp[0] = '\0'; 
	  *revision = ++cp; 
 
	  mask |= CEN_REVISION; 
	} 
    } 
 
  /* For CEN syntax values it might be important to have the 
     separator character in the file name, not for XPG syntax.  */ 
  if (syntax == xpg) 
    { 
      if (*territory != NULL && (*territory)[0] == '\0') 
	mask &= ~TERRITORY; 
 
      if (*codeset != NULL && (*codeset)[0] == '\0') 
	mask &= ~XPG_CODESET; 
 
      if (*modifier != NULL && (*modifier)[0] == '\0') 
	mask &= ~XPG_MODIFIER; 
    } 
 
  return mask; 
}