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-rw-r--r--locale/programs/ld-numeric.c208
1 files changed, 208 insertions, 0 deletions
diff --git a/locale/programs/ld-numeric.c b/locale/programs/ld-numeric.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>.
+
+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 <langinfo.h>
+#include <string.h>
+
+/* Undefine following line in production version. */
+/* #define NDEBUG 1 */
+#include <assert.h>
+
+#include "locales.h"
+#include "localeinfo.h"
+#include "stringtrans.h"
+
+void *xmalloc (size_t __n);
+void *xrealloc (void *__ptr, size_t __n);
+
+
+/* The real definition of the struct for the LC_NUMERIC locale. */
+struct locale_numeric_t
+{
+ const char *decimal_point;
+ const char *thousands_sep;
+ char *grouping;
+ size_t grouping_max;
+ size_t grouping_act;
+};
+
+
+void
+numeric_startup (struct linereader *lr, struct localedef_t *locale,
+ struct charset_t *charset)
+{
+ struct locale_numeric_t *numeric;
+
+ /* It is important that we always use UCS1 encoding for strings now. */
+ encoding_method = ENC_UCS1;
+
+ locale->categories[LC_NUMERIC].numeric = numeric =
+ (struct locale_numeric_t *) xmalloc (sizeof (struct locale_numeric_t));
+
+ memset (numeric, '\0', sizeof (struct locale_numeric_t));
+
+ numeric->grouping_max = 80;
+ numeric->grouping = (char *) xmalloc (numeric->grouping_max);
+ numeric->grouping_act = 0;
+}
+
+
+void
+numeric_finish (struct localedef_t *locale)
+{
+ struct locale_numeric_t *numeric = locale->categories[LC_NUMERIC].numeric;
+
+#define TEST_ELEM(cat) \
+ if (numeric->cat == NULL) \
+ error (0, 0, _("field `%s' in category `%s' not defined"), \
+ #cat, "LC_NUMERIC")
+
+ TEST_ELEM (decimal_point);
+ TEST_ELEM (thousands_sep);
+
+ /* The decimal point must not be empty. This is not said explicitly
+ in POSIX but ANSI C (ISO/IEC 9899) says in 4.4.2.1 it has to be
+ != "". */
+ if (numeric->decimal_point[0] == '\0')
+ {
+ error (0, 0, _("\
+value for field `%s' in category `%s' must not be the empty string"),
+ "decimal_point", "LC_NUMERIC");
+ }
+
+ if (numeric->grouping_act == 0)
+ error (0, 0, _("field `%s' in category `%s' not defined"),
+ "grouping", "LC_NUMERIC");
+}
+
+
+void
+numeric_output (struct localedef_t *locale, const char *output_path)
+{
+ struct locale_numeric_t *numeric = locale->categories[LC_NUMERIC].numeric;
+ struct iovec iov[2 + _NL_ITEM_INDEX (_NL_NUM_LC_NUMERIC)];
+ struct locale_file data;
+ u32_t idx[_NL_ITEM_INDEX (_NL_NUM_LC_NUMERIC)];
+ size_t cnt = 0;
+
+ if ((locale->binary & (1 << LC_NUMERIC)) != 0)
+ {
+ iov[0].iov_base = numeric;
+ iov[0].iov_len = locale->len[LC_NUMERIC];
+
+ write_locale_data (output_path, "LC_NUMERIC", 1, iov);
+
+ return;
+ }
+
+ data.magic = LIMAGIC (LC_NUMERIC);
+ data.n = _NL_ITEM_INDEX (_NL_NUM_LC_NUMERIC);
+ 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] = idx[cnt - 3] + iov[cnt - 1].iov_len;
+ iov[cnt].iov_base = (void *) (numeric->decimal_point ?: "");
+ 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 *) (numeric->thousands_sep ?: "");
+ 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 = alloca (numeric->grouping_act + 1);
+ iov[cnt].iov_len = numeric->grouping_act + 1;
+ memcpy (iov[cnt].iov_base, numeric->grouping, numeric->grouping_act);
+ ((char *) iov[cnt].iov_base)[numeric->grouping_act] = '\0';
+
+ assert (cnt + 1 == 2 + _NL_ITEM_INDEX (_NL_NUM_LC_NUMERIC));
+
+ write_locale_data (output_path, "LC_NUMERIC",
+ 2 + _NL_ITEM_INDEX (_NL_NUM_LC_NUMERIC), iov);
+}
+
+
+void
+numeric_add (struct linereader *lr, struct localedef_t *locale,
+ enum token_t tok, struct token *code,
+ struct charset_t *charset)
+{
+ struct locale_numeric_t *numeric = locale->categories[LC_NUMERIC].numeric;
+
+ switch (tok)
+ {
+#define STR_ELEM(cat) \
+ case tok_##cat: \
+ if (numeric->cat != NULL) \
+ lr_error (lr, _("\
+field `%s' in category `%s' declared more than once"), \
+ #cat, "LC_NUMERIC"); \
+ else if (code->val.str.start == NULL) \
+ { \
+ lr_error (lr, _("unknown character in field `%s' of category `%s'"),\
+ #cat, "LC_NUMERIC"); \
+ numeric->cat = ""; \
+ } \
+ else \
+ numeric->cat = code->val.str.start; \
+ break
+
+ STR_ELEM (decimal_point);
+ STR_ELEM (thousands_sep);
+
+ case tok_grouping:
+ if (numeric->grouping_act == numeric->grouping_max)
+ {
+ numeric->grouping_max *= 2;
+ numeric->grouping = (char *) xrealloc (numeric->grouping,
+ numeric->grouping_max);
+ }
+ if (numeric->grouping_act > 0
+ && (numeric->grouping[numeric->grouping_act - 1] == '\177'))
+ {
+ lr_error (lr, _("\
+`-1' must be last entry in `%s' field in `%s' category"),
+ "grouping", "LC_NUMERIC");
+ --numeric->grouping_act;
+ }
+
+ if (code->tok == tok_minus1)
+ numeric->grouping[numeric->grouping_act++] = '\177';
+ else if (code->val.num > 126)
+ lr_error (lr, _("\
+values for field `%s' in category `%s' must be smaller than 127"),
+ "grouping", "LC_NUMERIC");
+ else
+ numeric->grouping[numeric->grouping_act++] = code->val.num;
+ break;
+
+ default:
+ assert (! "unknown token in category `LC_NUMERIC': should not happen");
+ }
+}
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