1/* 2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11#ifndef ARGS_H_ 12#define ARGS_H_ 13#include <stdio.h> 14 15#ifdef __cplusplus 16extern "C" { 17#endif 18 19struct arg { 20 char **argv; 21 const char *name; 22 const char *val; 23 unsigned int argv_step; 24 const struct arg_def *def; 25}; 26 27struct arg_enum_list { 28 const char *name; 29 int val; 30}; 31#define ARG_ENUM_LIST_END \ 32 { 0 } 33 34typedef struct arg_def { 35 const char *short_name; 36 const char *long_name; 37 int has_val; 38 const char *desc; 39 const struct arg_enum_list *enums; 40} arg_def_t; 41#define ARG_DEF(s, l, v, d) \ 42 { s, l, v, d, NULL } 43#define ARG_DEF_ENUM(s, l, v, d, e) \ 44 { s, l, v, d, e } 45#define ARG_DEF_LIST_END \ 46 { 0 } 47 48struct arg arg_init(char **argv); 49int arg_match(struct arg *arg_, const struct arg_def *def, char **argv); 50const char *arg_next(struct arg *arg); 51void arg_show_usage(FILE *fp, const struct arg_def *const *defs); 52char **argv_dup(int argc, const char **argv); 53 54unsigned int arg_parse_uint(const struct arg *arg); 55int arg_parse_int(const struct arg *arg); 56struct vpx_rational arg_parse_rational(const struct arg *arg); 57int arg_parse_enum(const struct arg *arg); 58int arg_parse_enum_or_int(const struct arg *arg); 59#ifdef __cplusplus 60} // extern "C" 61#endif 62 63#endif // ARGS_H_ 64