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  • Committer: Package Import Robot
  • Author(s): Ansgar Burchardt
  • Date: 2011-11-03 19:59:02 UTC
  • mfrom: (1.2.7)
  • Revision ID: package-import@ubuntu.com-20111103195902-uopgwf488mfctb75
Tags: 111.0-1
* New upstream release.
* debian/rules: Update get-orig-source target for new upstream release.
* Use xz compression for source and binary packages.
* Use override_* targets to simplify debian/rules.

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utils/fetchopt.cc
 
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/* fetchopt.cc
 
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 *
 
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 * Options parsing class
 
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 * May 2011
 
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 * by Timothy Baldock <tb@entropy.me.uk>
 
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 */
 
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#include <string.h>
 
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#include "fetchopt.h"
 
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Fetchopt_t::Fetchopt_t(int argc, char **argv, const char *optstring) {
 
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        optarg = NULL;
 
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        optind = 1;
 
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        optstr = optstring;
 
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        ac = argc;
 
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        av = argv;
 
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        pos = 1;
 
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}
 
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char *Fetchopt_t::get_optarg() {
 
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        return optarg;
 
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}
 
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int Fetchopt_t::get_optind() {
 
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        return optind;
 
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}
 
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int Fetchopt_t::next() {
 
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        optarg = NULL;
 
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        if (optind >= ac || av[optind][0] != '-') {
 
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                return -1;
 
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        }
 
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        int optchar = av[optind][pos];
 
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        const char *offset = strchr(optstr, optchar);
 
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        if (offset == NULL || optchar == ':') {
 
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                // Invalid option
 
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                return '?';
 
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        }
 
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        if (*(offset+1) == ':') {
 
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                // Option with argument
 
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                if (av[optind][pos+1] == '\0') {
 
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                        // Use next argument for option's argument
 
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                        if (ac < optind+2) {
 
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                                // Missing argument
 
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                                return '?';
 
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                        } else {
 
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                                optarg = av[optind+1];
 
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                                optind += 2;
 
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                        }
 
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                } else {
 
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                        // Use rest of current argument for option's argument
 
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                        optarg = av[optind]+pos+1;
 
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                        optind++;
 
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                }
 
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                pos = 1;
 
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                return optchar;
 
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        } else {
 
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                // Simple option
 
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                pos++;
 
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                if (av[optind][pos] == '\0') {
 
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                        // Next argument
 
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                        pos = 1;
 
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                        optind++;
 
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                }
 
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                return optchar;
 
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        }
 
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}