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/*
* Copyright (c) 2016, Alliance for Open Media. All rights reserved
*
* This source code is subject to the terms of the BSD 2 Clause License and
* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
* was not distributed with this source code in the LICENSE file, you can
* obtain it at www.aomedia.org/license/software. If the Alliance for Open
* Media Patent License 1.0 was not distributed with this source code in the
* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
*/
#ifndef AOM_COMMON_ARGS_H_
#define AOM_COMMON_ARGS_H_
#include <stdio.h>
#ifdef __cplusplus
extern "C" {
#endif
struct arg {
char **argv;
const char *name;
const char *val;
unsigned int argv_step;
const struct arg_def *def;
};
struct arg_enum_list {
const char *name;
int val;
};
#define ARG_ENUM_LIST_END \
{ 0 }
typedef struct arg_def {
const char *short_name;
const char *long_name;
int has_val;
const char *desc;
const struct arg_enum_list *enums;
} arg_def_t;
#define ARG_DEF(s, l, v, d) \
{ s, l, v, d, NULL }
#define ARG_DEF_ENUM(s, l, v, d, e) \
{ s, l, v, d, e }
#define ARG_DEF_LIST_END \
{ 0 }
struct arg arg_init(char **argv);
int arg_match(struct arg *arg_, const struct arg_def *def, char **argv);
char *ignore_front_spaces(const char *str);
void ignore_end_spaces(char *str);
int arg_cfg(int *argc, char ***argv, const char *file);
const char *arg_next(struct arg *arg);
void arg_show_usage(FILE *fp, const struct arg_def *const *defs);
char **argv_dup(int argc, const char **argv);
unsigned int arg_parse_uint(const struct arg *arg);
int arg_parse_int(const struct arg *arg);
struct aom_rational arg_parse_rational(const struct arg *arg);
int arg_parse_enum(const struct arg *arg);
int arg_parse_enum_or_int(const struct arg *arg);
int arg_parse_list(const struct arg *arg, int *list, int n);
#ifdef __cplusplus
} // extern "C"
#endif
#endif // AOM_COMMON_ARGS_H_
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