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Diffstat (limited to 'intl/explodename.c')
| -rw-r--r-- | intl/explodename.c | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/intl/explodename.c b/intl/explodename.c new file mode 100644 index 0000000..2985064 --- /dev/null +++ b/intl/explodename.c @@ -0,0 +1,192 @@ +/* Copyright (C) 1995-1998, 2000, 2001 Free Software Foundation, Inc. + Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995. + + This program 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, 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library 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 <config.h> +#endif + +#include <stdlib.h> +#include <string.h> +#include <sys/types.h> + +#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 @@ */ + +char * +_nl_find_language (name) + const char *name; +{ + while (name[0] != '\0' && name[0] != '_' && name[0] != '@' + && name[0] != '+' && name[0] != ',') + ++name; + + return (char *) name; +} + + +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; + cp = _nl_find_language (*language); + + 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; +} |