diff options
Diffstat (limited to 'locale/programs/ld-numeric.c')
| -rw-r--r-- | locale/programs/ld-numeric.c | 208 |
1 files changed, 208 insertions, 0 deletions
diff --git a/locale/programs/ld-numeric.c b/locale/programs/ld-numeric.c new file mode 100644 index 0000000000..0b5fe2afe5 --- /dev/null +++ b/locale/programs/ld-numeric.c @@ -0,0 +1,208 @@ +/* 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"); + } +} |