1/* 2 * Generic Options Support Header File 3 * 4 * Copyright (c) 2001 Stanislav Karchebny <berk@madfire.net> 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. Neither the name of the author nor the names of other contributors 15 * may be used to endorse or promote products derived from this 16 * software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND OTHER CONTRIBUTORS ``AS IS'' 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR OTHER CONTRIBUTORS BE 22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 * POSSIBILITY OF SUCH DAMAGE. 29 */ 30#include <util.h> 31#include <ctype.h> 32 33#include "tasm-options.h" 34 35 36#ifdef __DEBUG__ 37#define DEBUG(x) fprintf ## x ; 38#else 39#define DEBUG(x) 40#endif 41 42 43/* Options Parser */ 44int 45parse_cmdline(int argc, char **argv, opt_option *options, size_t nopts, 46 void (*print_error) (const char *fmt, ...)) 47{ 48 int errors = 0, warnings = 0; 49 size_t i; 50 int got_it; 51 52 DEBUG((stderr, "parse_cmdline: entered\n")); 53 54 fail: 55 while (--argc) { 56 argv++; 57 58 if (argv[0][0] == '/' && argv[0][1]) { /* opt */ 59 got_it = 0; 60 for (i = 0; i < nopts; i++) { 61 char *cmd = &argv[0][1]; 62 size_t len = strlen(options[i].opt); 63 if (yasm__strncasecmp(cmd, options[i].opt, len) == 0) { 64 char *param; 65 66 param = &argv[0][1+len]; 67 if (options[i].takes_param) { 68 if (param[0] == '\0') { 69 print_error( 70 _("option `-%c' needs an argument!"), 71 options[i].opt); 72 errors++; 73 goto fail; 74 } else { 75 argc--; 76 argv++; 77 } 78 } else 79 param = NULL; 80 81 if (!options[i].handler(cmd, param, options[i].extra)) 82 got_it = 1; 83 break; 84 } 85 } 86 if (!got_it) { 87 print_error(_("warning: unrecognized option `%s'"), 88 argv[0]); 89 warnings++; 90 } 91 } else { /* not an option, then it should be a file or something */ 92 93 if (not_an_option_handler(argv[0])) 94 errors++; 95 } 96 } 97 98 DEBUG((stderr, "parse_cmdline: finished\n")); 99 return errors; 100} 101 102void 103help_msg(const char *msg, const char *tail, opt_option *options, size_t nopts) 104{ 105 char optbuf[100], optopt[100]; 106 size_t i; 107 108 printf("%s", gettext(msg)); 109 110 for (i = 0; i < nopts; i++) { 111 optbuf[0] = 0; 112 optopt[0] = 0; 113 114 if (options[i].takes_param) { 115 if (options[i].opt) 116 sprintf(optbuf, "/%s <%s>", options[i].opt, 117 options[i].param_desc ? options[i]. 118 param_desc : _("param")); 119 } else { 120 if (options[i].opt) 121 sprintf(optbuf, "/%s", options[i].opt); 122 } 123 124 printf(" %-22s %s\n", optbuf, gettext(options[i].description)); 125 } 126 127 printf("%s", gettext(tail)); 128} 129