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-rw-r--r--intl/explodename.c167
1 files changed, 167 insertions, 0 deletions
diff --git a/intl/explodename.c b/intl/explodename.c
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+/* 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>, 1995.
+
+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. */
+
+#include <stdlib.h>
+#include <string.h>
+
+#include "loadinfo.h"
+
+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 sytnax 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;
+}