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 12 #ifndef ARGS_H 13 #define ARGS_H 14 #include <stdio.h> 15 16 struct arg 17 { 18 char **argv; 19 const char *name; 20 const char *val; 21 unsigned int argv_step; 22 const struct arg_def *def; 23 }; 24 25 struct arg_enum_list 26 { 27 const char *name; 28 int val; 29 }; 30 #define ARG_ENUM_LIST_END {0} 31 32 typedef struct arg_def 33 { 34 const char *short_name; 35 const char *long_name; 36 int has_val; 37 const char *desc; 38 const struct arg_enum_list *enums; 39 } arg_def_t; 40 #define ARG_DEF(s,l,v,d) {s,l,v,d, NULL} 41 #define ARG_DEF_ENUM(s,l,v,d,e) {s,l,v,d,e} 42 #define ARG_DEF_LIST_END {0} 43 44 struct arg arg_init(char **argv); 45 int arg_match(struct arg *arg_, const struct arg_def *def, char **argv); 46 const char *arg_next(struct arg *arg); 47 void arg_show_usage(FILE *fp, const struct arg_def *const *defs); 48 char **argv_dup(int argc, const char **argv); 49 50 unsigned int arg_parse_uint(const struct arg *arg); 51 int arg_parse_int(const struct arg *arg); 52 struct vpx_rational arg_parse_rational(const struct arg *arg); 53 int arg_parse_enum_or_int(const struct arg *arg); 54 #endif 55
