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 #ifdef __cplusplus 17 extern "C" { 18 #endif 19 20 struct arg { 21 char **argv; 22 const char *name; 23 const char *val; 24 unsigned int argv_step; 25 const struct arg_def *def; 26 }; 27 28 struct arg_enum_list { 29 const char *name; 30 int val; 31 }; 32 #define ARG_ENUM_LIST_END {0} 33 34 typedef 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) {s,l,v,d, NULL} 42 #define ARG_DEF_ENUM(s,l,v,d,e) {s,l,v,d,e} 43 #define ARG_DEF_LIST_END {0} 44 45 struct arg arg_init(char **argv); 46 int arg_match(struct arg *arg_, const struct arg_def *def, char **argv); 47 const char *arg_next(struct arg *arg); 48 void arg_show_usage(FILE *fp, const struct arg_def *const *defs); 49 char **argv_dup(int argc, const char **argv); 50 51 unsigned int arg_parse_uint(const struct arg *arg); 52 int arg_parse_int(const struct arg *arg); 53 struct vpx_rational arg_parse_rational(const struct arg *arg); 54 int arg_parse_enum_or_int(const struct arg *arg); 55 #ifdef __cplusplus 56 } // extern "C" 57 #endif 58 59 #endif // ARGS_H_ 60
