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2001-03-04 Bruno Haible <bruno@clisp.org> * intl/dcigettext.c (DCIGETTEXT): Increment path_max proportionally. 2001-10-31 Bruno Haible <bruno@clisp.org> * intl/plural.y: Include <stddef.h>, needed for NULL with SunOS 4 cc. 2001-03-21 Bruno Haible <bruno@clisp.org> * intl/dcigettext.c (_nl_state_lock): Mark as #ifdef _LIBC. AIX 3 xlc chokes on empty macro arguments. * intl/plural.y: Add #pragma for alloca on AIX 3. 2001-11-27 Ulrich Drepper <drepper@redhat.com> * intl/dcigettext.c (guess_category_value): Only implement for glibc. Otherwise rely on function _nl_locale_name which isn't present in the glibc sources. 2001-09-24 Bruno Haible <bruno@clisp.org> * intl/loadmsgcat.c (_nl_init_domain_conv): Also enable transliteration when building on a glibc system but outside glibc. 2001-09-22 Bruno Haible <bruno@clisp.org> * intl/plural-eval.c: New file, extracted from dcigettext.c. * intl/dcigettext.c (plural_eval): Remove function, moved to intl/plural-eval.c. (plural_lookup): Call PLURAL_EVAL instead of plural_eval. Include plural-eval.c. 2001-09-22 Bruno Haible <bruno@clisp.org> * intl/plural-exp.c (EXTRACT_PLURAL_EXPRESSION): Reject numbers that don't start with a digit; nplurals must be positive. 2001-09-02 Bruno Haible <bruno@clisp.org> * intl/plural-exp.h: New file, extracted from gettextP.h. * intl/plural-exp.c: New file, extracted from loadmsgcat.c. * intl/gettextP.h (struct expression, struct parse_args, __gettext_free_exp, __gettextparse): Move to plural-exp.h. * intl/loadmsgcat.c: Include plural-exp.h. (PLURAL_PARSE): Move macro to plural-exp.h. (plvar, plone, germanic_plural, INIT_GERMANIC_PLURAL): Move to plural-exp.c. (_nl_load_domain): Move plural handling code to plural-exp.c. Call EXTRACT_PLURAL_EXPRESSION. (_nl_unload_domain): Update. * intl/dcigettext.c: Include plural-exp.h. * intl/plural.y: Include plural-exp.h, not gettextP.h. (FREE_EXPRESSION): Move macro to plural-exp.h. * intl/Makefile (routines): Add plural-exp. (distribute): Add plural-exp.h. 2001-07-28 Bruno Haible <bruno@clisp.org> * intl/l10nflist.c (_nl_normalize_codeset): Cast isalnum, isalpha, isdigit, tolower argument to 'unsigned char'. * intl/loadmsgcat.c (_nl_load_domain): Cast isspace argument to 'unsigned char'. * intl/localealias.c (read_alias_file): Cast isspace argument to 'unsigned char'. 2001-10-20 Bruno Haible <bruno@clisp.org> Assume strchr() exists. (Without it, intl/explodename.c wouldn't link anyway.) * intl/dcigettext.c (strchr): Remove fallback definition; it conflicts with the variable 'index' in plural_lookup. * intl/l10nflist.c (strchr): Likewise. * intl/localealias.c (strchr): Likewise. Assume <stddef.h>, <stdlib.h>, <string.h>, <locale.h> exist. * intl/bindtextdom.c: Likewise. * intl/dcigettext.c: Likewise. * intl/dgettext.c: Likewise. * intl/dngettext.c: Likewise. * intl/explodename.c: Likewise. * intl/finddomain.c: Likewise. * intl/gettext.c: Likewise. * intl/l10nflist.c: Likewise. * intl/loadmsgcat.c: Likewise. * intl/localealias.c: Likewise. * intl/ngettext.c: Likewise. * intl/textdomain.c: Likewise. * intl/gettext.h: Assume <limits.h> exists.
119 lines
3.9 KiB
C
119 lines
3.9 KiB
C
/* Expression parsing and evaluation for plural form selection.
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Copyright (C) 2000, 2001 Free Software Foundation, Inc.
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Written by Ulrich Drepper <drepper@cygnus.com>, 2000.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#ifndef _PLURAL_EXP_H
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#define _PLURAL_EXP_H
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#ifndef PARAMS
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# if __STDC__
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# define PARAMS(args) args
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# else
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# define PARAMS(args) ()
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# endif
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#endif
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#ifndef internal_function
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# define internal_function
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#endif
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/* This is the representation of the expressions to determine the
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plural form. */
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struct expression
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{
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int nargs; /* Number of arguments. */
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enum operator
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{
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/* Without arguments: */
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var, /* The variable "n". */
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num, /* Decimal number. */
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/* Unary operators: */
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lnot, /* Logical NOT. */
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/* Binary operators: */
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mult, /* Multiplication. */
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divide, /* Division. */
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module, /* Modulo operation. */
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plus, /* Addition. */
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minus, /* Subtraction. */
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less_than, /* Comparison. */
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greater_than, /* Comparison. */
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less_or_equal, /* Comparison. */
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greater_or_equal, /* Comparison. */
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equal, /* Comparison for equality. */
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not_equal, /* Comparison for inequality. */
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land, /* Logical AND. */
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lor, /* Logical OR. */
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/* Ternary operators: */
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qmop /* Question mark operator. */
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} operation;
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union
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{
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unsigned long int num; /* Number value for `num'. */
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struct expression *args[3]; /* Up to three arguments. */
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} val;
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};
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/* This is the data structure to pass information to the parser and get
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the result in a thread-safe way. */
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struct parse_args
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{
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const char *cp;
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struct expression *res;
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};
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/* Names for the libintl functions are a problem. This source code is used
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1. in the GNU C Library library,
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2. in the GNU libintl library,
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3. in the GNU gettext tools.
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The function names in each situation must be different, to allow for
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binary incompatible changes in 'struct expression'. Furthermore,
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1. in the GNU C Library library, the names have a __ prefix,
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2.+3. in the GNU libintl library and in the GNU gettext tools, the names
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must follow ANSI C and not start with __.
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So we have to distinguish the three cases. */
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#ifdef _LIBC
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# define FREE_EXPRESSION __gettext_free_exp
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# define PLURAL_PARSE __gettextparse
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# define GERMANIC_PLURAL __gettext_germanic_plural
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# define EXTRACT_PLURAL_EXPRESSION __gettext_extract_plural
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#elif defined (IN_LIBINTL)
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# define FREE_EXPRESSION gettext_free_exp__
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# define PLURAL_PARSE gettextparse__
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# define GERMANIC_PLURAL gettext_germanic_plural__
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# define EXTRACT_PLURAL_EXPRESSION gettext_extract_plural__
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#else
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# define FREE_EXPRESSION free_plural_expression
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# define PLURAL_PARSE parse_plural_expression
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# define GERMANIC_PLURAL germanic_plural
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# define EXTRACT_PLURAL_EXPRESSION extract_plural_expression
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#endif
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extern void FREE_EXPRESSION PARAMS ((struct expression *exp))
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internal_function;
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extern int PLURAL_PARSE PARAMS ((void *arg));
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extern struct expression GERMANIC_PLURAL;
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extern void EXTRACT_PLURAL_EXPRESSION PARAMS ((const char *nullentry,
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struct expression **pluralp,
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unsigned long int *npluralsp))
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internal_function;
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#endif /* _PLURAL_EXP_H */
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