comparison: dav/optparser.c
dav/optparser.c
- changeset 11
- 5db6178d8b58
- child 14
- d1a43035d3a2
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| 10:e6d0fbe0ebd9 | 11:5db6178d8b58 |
|---|---|
| 1 /* | |
| 2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. | |
| 3 * | |
| 4 * Copyright 2012 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 'o': { | |
| 78 if(!option) { | |
| 79 option = "output"; | |
| 80 optchar = 'o'; | |
| 81 } else { | |
| 82 fprintf( | |
| 83 stderr, | |
| 84 "Missing argument for option -%c\n", | |
| 85 optchar); | |
| 86 cmd_args_free(a); | |
| 87 return NULL; | |
| 88 } | |
| 89 break; | |
| 90 } | |
| 91 } | |
| 92 } | |
| 93 } else if(option) { | |
| 94 ucx_map_cstr_put(a->options, option, arg); | |
| 95 option = NULL; | |
| 96 } else { | |
| 97 a->argv[a->argc++] = arg; | |
| 98 } | |
| 99 } | |
| 100 | |
| 101 return a; | |
| 102 } | |
| 103 | |
| 104 char* cmd_getoption(CmdArgs *arg, char *name) { | |
| 105 return ucx_map_cstr_get(arg->options, name); | |
| 106 } |
