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