isv/variant.h
2020-10-24 02:38:24 +03:00

55 lines
1.5 KiB
C

/**
* Copyright (C) 2020 Evgeny Zinoviev
* This file is part of isv <https://github.com/gch1p/isv>.
*
* 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 ISV_VARIANT_H
#define ISV_VARIANT_H
#include <stdbool.h>
typedef enum {
VARIANT_TYPE_STRING,
VARIANT_TYPE_LONG,
VARIANT_TYPE_DOUBLE,
VARIANT_TYPE_BOOL,
VARIANT_TYPE_FLAG,
} variant_type_t;
typedef struct {
variant_type_t type;
double d;
long l;
bool b;
const char *s;
} variant_t;
variant_t variant_double(double d);
variant_t variant_long(long l);
variant_t variant_bool(bool b);
variant_t variant_flag(bool b);
variant_t variant_string(const char *s);
void variant_to_string(variant_t v, char *buf, size_t bufsize);
bool variant_is_string(variant_t v);
bool variant_is_long(variant_t v);
bool variant_is_bool(variant_t v);
bool variant_is_flag(variant_t v);
bool variant_is_double(variant_t v);
#endif //ISV_VARIANT_H