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/* Unicode CLDR plural rule parser and converter
Copyright (C) 2015 Free Software Foundation, Inc.
This file was written by Daiki Ueno <ueno@gnu.org>, 2015.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifndef _CLDR_PLURAL_EXP_H
#define _CLDR_PLURAL_EXP_H 1
#include <stdio.h>
#ifdef __cplusplus
extern "C" {
#endif
enum cldr_plural_operand
{
CLDR_PLURAL_OPERAND_INTEGER,
CLDR_PLURAL_OPERAND_DECIMAL
};
struct cldr_plural_operand_ty
{
enum cldr_plural_operand type;
union
{
int ival;
struct
{
double d;
int nfractions;
} dval;
} value;
};
enum cldr_plural_relation
{
CLDR_PLURAL_RELATION_EQUAL,
CLDR_PLURAL_RELATION_NOT_EQUAL
};
struct cldr_plural_range_ty
{
struct cldr_plural_operand_ty *start;
struct cldr_plural_operand_ty *end;
};
struct cldr_plural_range_list_ty
{
struct cldr_plural_range_ty **items;
size_t nitems;
size_t nitems_max;
};
struct cldr_plural_expression_ty
{
/* 'n', 'i', 'f', 't', 'v', 'w' */
int operand;
/* 0 if not given */
int mod;
};
struct cldr_plural_relation_ty
{
struct cldr_plural_expression_ty *expression;
enum cldr_plural_relation type;
struct cldr_plural_range_list_ty *ranges;
};
enum cldr_plural_condition
{
CLDR_PLURAL_CONDITION_AND,
CLDR_PLURAL_CONDITION_OR,
CLDR_PLURAL_CONDITION_RELATION,
CLDR_PLURAL_CONDITION_TRUE,
CLDR_PLURAL_CONDITION_FALSE
};
struct cldr_plural_condition_ty
{
enum cldr_plural_condition type;
union
{
struct cldr_plural_relation_ty *relation;
struct cldr_plural_condition_ty *conditions[2];
} value;
};
struct cldr_plural_rule_ty
{
char *name;
struct cldr_plural_condition_ty *condition;
};
struct cldr_plural_rule_list_ty
{
struct cldr_plural_rule_ty **items;
size_t nitems;
size_t nitems_max;
};
struct cldr_plural_parse_args
{
const char *cp;
const char *cp_end;
struct cldr_plural_rule_list_ty *result;
};
extern void
cldr_plural_range_free (struct cldr_plural_range_ty *range);
extern void
cldr_plural_range_list_free (struct cldr_plural_range_list_ty *ranges);
extern void
cldr_plural_condition_free (struct cldr_plural_condition_ty *condition);
extern void
cldr_plural_relation_free (struct cldr_plural_relation_ty *relation);
extern struct cldr_plural_rule_list_ty *
cldr_plural_parse (const char *input);
extern void
cldr_plural_rule_list_free (struct cldr_plural_rule_list_ty *rules);
extern void
cldr_plural_rule_list_print (struct cldr_plural_rule_list_ty *rules, FILE *fp);
#ifdef __cplusplus
}
#endif
#endif /* _CLDR_PLURAL_EXP_H */
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