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build/node_modules/coa/lib/completion.js

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+// Generated by CoffeeScript 1.6.3
+/**
+Most of the code adopted from the npm package shell completion code.
+See https://github.com/isaacs/npm/blob/master/lib/completion.js
+*/
+
+var Q, complete, dumpScript, escape, getOpts, unescape;
+
+Q = require('q');
+
+escape = require('./shell').escape;
+
+unescape = require('./shell').unescape;
+
+module.exports = function() {
+  return this.title('Shell completion').helpful().arg().name('raw').title('Completion words').arr().end().act(function(opts, args) {
+    var argv, cmd, e, _ref;
+    if (process.platform === 'win32') {
+      e = new Error('shell completion not supported on windows');
+      e.code = 'ENOTSUP';
+      e.errno = require('constants').ENOTSUP;
+      return this.reject(e);
+    }
+    if ((process.env.COMP_CWORD == null) || (process.env.COMP_LINE == null) || (process.env.COMP_POINT == null)) {
+      return dumpScript(this._cmd._name);
+    }
+    console.error('COMP_LINE:  %s', process.env.COMP_LINE);
+    console.error('COMP_CWORD: %s', process.env.COMP_CWORD);
+    console.error('COMP_POINT: %s', process.env.COMP_POINT);
+    console.error('args: %j', args.raw);
+    opts = getOpts(args.raw);
+    _ref = this._cmd._parseCmd(opts.partialWords), cmd = _ref.cmd, argv = _ref.argv;
+    return Q.when(complete(cmd, opts), function(compls) {
+      console.error('filtered: %j', compls);
+      return console.log(compls.map(escape).join('\n'));
+    });
+  });
+};
+
+dumpScript = function(name) {
+  var defer, fs, path;
+  fs = require('fs');
+  path = require('path');
+  defer = Q.defer();
+  fs.readFile(path.resolve(__dirname, 'completion.sh'), 'utf8', function(err, d) {
+    var onError;
+    if (err) {
+      return defer.reject(err);
+    }
+    d = d.replace(/{{cmd}}/g, path.basename(name)).replace(/^\#\!.*?\n/, '');
+    onError = function(err) {
+      if (err.errno === require('constants').EPIPE) {
+        process.stdout.removeListener('error', onError);
+        return defer.resolve();
+      } else {
+        return defer.reject(err);
+      }
+    };
+    process.stdout.on('error', onError);
+    return process.stdout.write(d, function() {
+      return defer.resolve();
+    });
+  });
+  return defer.promise;
+};
+
+getOpts = function(argv) {
+  var i, line, partialLine, partialWord, partialWords, point, w, word, words;
+  line = process.env.COMP_LINE;
+  w = +process.env.COMP_CWORD;
+  point = +process.env.COMP_POINT;
+  words = argv.map(unescape);
+  word = words[w];
+  partialLine = line.substr(0, point);
+  partialWords = words.slice(0, w);
+  partialWord = argv[w] || '';
+  i = partialWord.length;
+  while (partialWord.substr(0, i) !== partialLine.substr(-1 * i) && i > 0) {
+    i--;
+  }
+  partialWord = unescape(partialWord.substr(0, i));
+  if (partialWord) {
+    partialWords.push(partialWord);
+  }
+  return {
+    line: line,
+    w: w,
+    point: point,
+    words: words,
+    word: word,
+    partialLine: partialLine,
+    partialWords: partialWords,
+    partialWord: partialWord
+  };
+};
+
+complete = function(cmd, opts) {
+  var compls, m, o, opt, optPrefix, optWord;
+  compls = [];
+  if (opts.partialWord.indexOf('-')) {
+    compls = Object.keys(cmd._cmdsByName);
+  } else {
+    if (m = opts.partialWord.match(/^(--\w[\w-_]*)=(.*)$/)) {
+      optWord = m[1];
+      optPrefix = optWord + '=';
+    } else {
+      compls = Object.keys(cmd._optsByKey);
+    }
+  }
+  if (!(o = opts.partialWords[opts.w - 1]).indexOf('-')) {
+    optWord = o;
+  }
+  if (optWord && (opt = cmd._optsByKey[optWord])) {
+    if (!opt._flag && opt._comp) {
+      compls = Q.join(compls, Q.when(opt._comp(opts), function(c, o) {
+        return c.concat(o.map(function(v) {
+          return (optPrefix || '') + v;
+        }));
+      }));
+    }
+  }
+  if (cmd._comp) {
+    compls = Q.join(compls, Q.when(cmd._comp(opts)), function(c, o) {
+      return c.concat(o);
+    });
+  }
+  return Q.when(compls, function(compls) {
+    console.error('partialWord: %s', opts.partialWord);
+    console.error('compls: %j', compls);
+    return compls.filter(function(c) {
+      return c.indexOf(opts.partialWord) === 0;
+    });
+  });
+};