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 16 extern "C" { 17 #endif 18 19 struct 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 27 struct arg_enum_list { 28 const char *name; 29 int val; 30 }; 31 #define ARG_ENUM_LIST_END \ 32 { 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) \ 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 48 struct arg arg_init(char **argv); 49 int arg_match(struct arg *arg_, const struct arg_def *def, char **argv); 50 const char *arg_next(struct arg *arg); 51 void arg_show_usage(FILE *fp, const struct arg_def *const *defs); 52 char **argv_dup(int argc, const char **argv); 53 54 unsigned int arg_parse_uint(const struct arg *arg); 55 int arg_parse_int(const struct arg *arg); 56 struct vpx_rational arg_parse_rational(const struct arg *arg); 57 int arg_parse_enum(const struct arg *arg); 58 int arg_parse_enum_or_int(const struct arg *arg); 59 #ifdef __cplusplus 60 } // extern "C" 61 #endif 62 63 #endif // ARGS_H_ 64