git.r.bdr.sh - rbdr/dotfiles/blob

   1 // Generated by CoffeeScript 1.8.0
   2 (function() {
   3   var LONG_FLAG, MULTI_FLAG, OPTIONAL, OptionParser, SHORT_FLAG, buildRule, buildRules, normalizeArguments, repeat;
   4
   5   repeat = require('./helpers').repeat;
   6
   7   exports.OptionParser = OptionParser = (function() {
   8     function OptionParser(rules, banner) {
   9       this.banner = banner;
  10       this.rules = buildRules(rules);
  11     }
  12
  13     OptionParser.prototype.parse = function(args) {
  14       var arg, i, isOption, matchedRule, options, originalArgs, pos, rule, seenNonOptionArg, skippingArgument, value, _i, _j, _len, _len1, _ref;
  15       options = {
  16         "arguments": []
  17       };
  18       skippingArgument = false;
  19       originalArgs = args;
  20       args = normalizeArguments(args);
  21       for (i = _i = 0, _len = args.length; _i < _len; i = ++_i) {
  22         arg = args[i];
  23         if (skippingArgument) {
  24           skippingArgument = false;
  25           continue;
  26         }
  27         if (arg === '--') {
  28           pos = originalArgs.indexOf('--');
  29           options["arguments"] = options["arguments"].concat(originalArgs.slice(pos + 1));
  30           break;
  31         }
  32         isOption = !!(arg.match(LONG_FLAG) || arg.match(SHORT_FLAG));
  33         seenNonOptionArg = options["arguments"].length > 0;
  34         if (!seenNonOptionArg) {
  35           matchedRule = false;
  36           _ref = this.rules;
  37           for (_j = 0, _len1 = _ref.length; _j < _len1; _j++) {
  38             rule = _ref[_j];
  39             if (rule.shortFlag === arg || rule.longFlag === arg) {
  40               value = true;
  41               if (rule.hasArgument) {
  42                 skippingArgument = true;
  43                 value = args[i + 1];
  44               }
  45               options[rule.name] = rule.isList ? (options[rule.name] || []).concat(value) : value;
  46               matchedRule = true;
  47               break;
  48             }
  49           }
  50           if (isOption && !matchedRule) {
  51             throw new Error("unrecognized option: " + arg);
  52           }
  53         }
  54         if (seenNonOptionArg || !isOption) {
  55           options["arguments"].push(arg);
  56         }
  57       }
  58       return options;
  59     };
  60
  61     OptionParser.prototype.help = function() {
  62       var letPart, lines, rule, spaces, _i, _len, _ref;
  63       lines = [];
  64       if (this.banner) {
  65         lines.unshift("" + this.banner + "\n");
  66       }
  67       _ref = this.rules;
  68       for (_i = 0, _len = _ref.length; _i < _len; _i++) {
  69         rule = _ref[_i];
  70         spaces = 15 - rule.longFlag.length;
  71         spaces = spaces > 0 ? repeat(' ', spaces) : '';
  72         letPart = rule.shortFlag ? rule.shortFlag + ', ' : '    ';
  73         lines.push('  ' + letPart + rule.longFlag + spaces + rule.description);
  74       }
  75       return "\n" + (lines.join('\n')) + "\n";
  76     };
  77
  78     return OptionParser;
  79
  80   })();
  81
  82   LONG_FLAG = /^(--\w[\w\-]*)/;
  83
  84   SHORT_FLAG = /^(-\w)$/;
  85
  86   MULTI_FLAG = /^-(\w{2,})/;
  87
  88   OPTIONAL = /\[(\w+(\*?))\]/;
  89
  90   buildRules = function(rules) {
  91     var tuple, _i, _len, _results;
  92     _results = [];
  93     for (_i = 0, _len = rules.length; _i < _len; _i++) {
  94       tuple = rules[_i];
  95       if (tuple.length < 3) {
  96         tuple.unshift(null);
  97       }
  98       _results.push(buildRule.apply(null, tuple));
  99     }
 100     return _results;
 101   };
 102
 103   buildRule = function(shortFlag, longFlag, description, options) {
 104     var match;
 105     if (options == null) {
 106       options = {};
 107     }
 108     match = longFlag.match(OPTIONAL);
 109     longFlag = longFlag.match(LONG_FLAG)[1];
 110     return {
 111       name: longFlag.substr(2),
 112       shortFlag: shortFlag,
 113       longFlag: longFlag,
 114       description: description,
 115       hasArgument: !!(match && match[1]),
 116       isList: !!(match && match[2])
 117     };
 118   };
 119
 120   normalizeArguments = function(args) {
 121     var arg, l, match, result, _i, _j, _len, _len1, _ref;
 122     args = args.slice(0);
 123     result = [];
 124     for (_i = 0, _len = args.length; _i < _len; _i++) {
 125       arg = args[_i];
 126       if (match = arg.match(MULTI_FLAG)) {
 127         _ref = match[1].split('');
 128         for (_j = 0, _len1 = _ref.length; _j < _len1; _j++) {
 129           l = _ref[_j];
 130           result.push('-' + l);
 131         }
 132       } else {
 133         result.push(arg);
 134       }
 135     }
 136     return result;
 137   };
 138
 139 }).call(this);