dav/sopt.c

changeset 46
0542668d0f26
child 53
ddc4efc9b0f8
equal deleted inserted replaced
45:e3839719b079 46:0542668d0f26
1 /*
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
3 *
4 * Copyright 2014 Olaf Wintermann. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include <stdio.h>
30 #include <stdlib.h>
31 #include <string.h>
32
33 #include "optparser.h"
34
35 void cmd_args_free(CmdArgs *args) {
36 ucx_map_free(args->options);
37 free(args->argv);
38 }
39
40 CmdArgs* cmd_parse_args(int argc, char **argv) {
41 CmdArgs *a = malloc(sizeof(CmdArgs));
42 a->options = ucx_map_new(16);
43 a->argv = calloc(argc, sizeof(char*));
44 a->argc = 0;
45
46 char *option = NULL;
47 char optchar = 0;
48 for(int i=0;i<argc;i++) {
49 char *arg = argv[i];
50 size_t len = strlen(arg);
51 if(len > 1 && arg[0] == '-') {
52 for(int c=1;c<len;c++) {
53 switch(arg[c]) {
54 default: {
55 fprintf(stderr, "Unknown option -%c", arg[c]);
56 cmd_args_free(a);
57 return NULL;
58 }
59 case 'k': {
60 if(!option) {
61 option = "key";
62 optchar = 'k';
63 } else {
64 fprintf(
65 stderr,
66 "Missing argument for option -%c\n",
67 optchar);
68 cmd_args_free(a);
69 return NULL;
70 }
71 break;
72 }
73 case 'p': {
74 ucx_map_cstr_put(a->options, "plain", "");
75 break;
76 }
77 case 'c': {
78 ucx_map_cstr_put(a->options, "crypt", "");
79 break;
80 }
81 case 'a': {
82 ucx_map_cstr_put(a->options, "all", "");
83 break;
84 }
85 case 'l': {
86 ucx_map_cstr_put(a->options, "list", "");
87 break;
88 }
89 case 't': {
90 ucx_map_cstr_put(a->options, "type", "");
91 break;
92 }
93 case 'R': {
94 ucx_map_cstr_put(a->options, "recursive", "");
95 break;
96 }
97 case 'o': {
98 if(!option) {
99 option = "output";
100 optchar = 'o';
101 } else {
102 fprintf(
103 stderr,
104 "Missing argument for option -%c\n",
105 optchar);
106 cmd_args_free(a);
107 return NULL;
108 }
109 break;
110 }
111 case 'u': {
112 if(!option) {
113 option = "update";
114 optchar = 'u';
115 } else {
116 fprintf(
117 stderr,
118 "Missing argument for option -%c\n",
119 optchar);
120 cmd_args_free(a);
121 return NULL;
122 }
123 break;
124 }
125 }
126 }
127 } else if(option) {
128 ucx_map_cstr_put(a->options, option, arg);
129 option = NULL;
130 } else {
131 a->argv[a->argc++] = arg;
132 }
133 }
134
135 return a;
136 }
137
138 char* cmd_getoption(CmdArgs *arg, char *name) {
139 return ucx_map_cstr_get(arg->options, name);
140 }

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