l0bsterssg

node.js static responsive blog post generator
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version.js (1244B)

      1 /*:nodoc:*
      2  * class ActionVersion
      3  *
      4  * Support action for printing program version
      5  * This class inherited from [[Action]]
      6  **/
      7 'use strict';
      8 
      9 var util = require('util');
     10 
     11 var Action = require('../action');
     12 
     13 //
     14 // Constants
     15 //
     16 var c = require('../const');
     17 
     18 /*:nodoc:*
     19  * new ActionVersion(options)
     20  * - options (object): options hash see [[Action.new]]
     21  *
     22  **/
     23 var ActionVersion = module.exports = function ActionVersion(options) {
     24   options = options || {};
     25   options.defaultValue = (options.defaultValue ? options.defaultValue : c.SUPPRESS);
     26   options.dest = (options.dest || c.SUPPRESS);
     27   options.nargs = 0;
     28   this.version = options.version;
     29   Action.call(this, options);
     30 };
     31 util.inherits(ActionVersion, Action);
     32 
     33 /*:nodoc:*
     34  * ActionVersion#call(parser, namespace, values, optionString) -> Void
     35  * - parser (ArgumentParser): current parser
     36  * - namespace (Namespace): namespace for output data
     37  * - values (Array): parsed values
     38  * - optionString (Array): input option string(not parsed)
     39  *
     40  * Print version and exit
     41  **/
     42 ActionVersion.prototype.call = function (parser) {
     43   var version = this.version || parser.version;
     44   var formatter = parser._getFormatter();
     45   formatter.addText(version);
     46   parser.exit(0, formatter.formatHelp());
     47 };