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authorUlrich Drepper <drepper@redhat.com>2000-01-29 02:54:27 +0000
committerUlrich Drepper <drepper@redhat.com>2000-01-29 02:54:27 +0000
commit4295702fe36902ad82587748b918d828ce62c446 (patch)
tree538686004e11cb2af80a3be1e1fc5b95f859b4ff /locale/indigits.h
parent8217ddf5c6137488b6ea5b244f74c7668b800f83 (diff)
downloadglibc-4295702fe36902ad82587748b918d828ce62c446.tar.gz
Update.
2000-01-28 Ulrich Drepper <drepper@cygnus.com> * locale/C-monetary.c: Add initializers for new fields. * locale/C-numeric.c: Likewise. * locale/Makefile (distribute): Add indigits.h, indigitswc.h, outdigits.h, and outdigitswc.h. * locale/langinfo.h: Add _NL_MONETARY_DECIMAL_POINT_WC, _NL_MONETARY_THOUSANDS_SEP_WC, _NL_NUMERIC_DECIMAL_POINT_WC, and _NL_NUMERIC_THOUSANDS_SEP_WC. * locale/indigits.h: New file. * locale/indigitswc.h: New file. * locale/outdigits.h: New file. * locale/outdigitswc.h: New file. * locale/programs/ld-monetary.c: Write out decimal point and thousands separator info in wide character form. * locale/programs/ld-numeric.c: Likewise. * stdio-common/Makefile (routines): Add _i18n_itoa and _i18n_itowa. (distribute): Add _i18n_itoa.h and _i18n_itowa.h. * stdio-common/_i18n_itoa.c: New file. * stdio-common/_i18n_itoa.h: New file. * stdio-common/_i18n_itowa.c: New file. * stdio-common/_i18n_itowa.h: New file. * stdio-common/printf-parse.h: Parse 'I' flag. * stdio-common/printf.h (struct printf_info): Add i18n field. * stdio-common/vfprintf.c: Implement 'I' flag to print using locales' outdigits.
Diffstat (limited to 'locale/indigits.h')
-rw-r--r--locale/indigits.h98
1 files changed, 98 insertions, 0 deletions
diff --git a/locale/indigits.h b/locale/indigits.h
new file mode 100644
index 0000000000..a5289cec06
--- /dev/null
+++ b/locale/indigits.h
@@ -0,0 +1,98 @@
+/* Copyright (C) 2000 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@gnu.org>, 2000.
+
+ 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 <assert.h>
+#include <langinfo.h>
+#include <string.h>
+
+/* Look up the value of the next multibyte character and return its numerical
+ value if it is one of the digits known in the locale. If *DECIDED is
+ -1 this means it is not yet decided which form it is and we have to
+ search through all available digits. Otherwise we know which script
+ the digits are from. */
+static inline int
+indigit_value (const char **s, size_t *len, int *decided)
+{
+ int from_level;
+ int to_level;
+ const char *mbdigits[10];
+ int n;
+
+ if (*decided != -1)
+ from_level = to_level = *decided;
+ else
+ {
+ from_level = 0;
+ to_level = _NL_CURRENT_WORD (LC_CTYPE, _NL_CTYPE_INDIGITS_MB_LEN) - 1;
+ assert (from_level <= to_level);
+ }
+
+ /* In this round we get the pointer to the digit strings and also perform
+ the first round of comparisons. */
+ for (n = 0; n < 10; ++n)
+ {
+ size_t dlen;
+
+ /* Get the string for the digits with value N. */
+ mbdigits[n] = _NL_CURRENT (LC_CTYPE, _NL_CTYPE_INDIGITS0_MB + n);
+ dlen = strlen (mbdigits[n]);
+
+ if (dlen <= len && memcmp (*s, mbdigits[n], dlen) == 0)
+ {
+ /* Found it. */
+ *s += dlen;
+ len -= dlen;
+ if (*decided == -1)
+ *decided = 0;
+ return n;
+ }
+
+ /* Advance the pointer to the next string. */
+ mbdigits[n] += dlen + 1;
+ }
+
+ /* Now perform the remaining tests. */
+ while (++from_level <= to_level)
+ {
+ /* Search all ten digits of this level. */
+ for (n = 0; n < 10; ++n)
+ {
+ size_t dlen = strlen (mbdigits[n]);
+
+ if (dlen <= len && memcmp (*s, mbdigits[n], dlen) == 0)
+ {
+ /* Found it. */
+ *s += dlen;
+ len -= dlen;
+ if (*decided == -1)
+ *decided = from_level;
+ return n;
+ }
+
+ /* Advance the pointer to the next string. */
+ mbdigits[n] += dlen + 1;
+ }
+
+ /* Next level. */
+ ++from_level;
+ }
+
+ /* If we reach this point no matching digit was found. */
+ return -1;
+}