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48 lines
1.2 KiB
48 lines
1.2 KiB
/*:nodoc:*
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* class ActionVersion
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*
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* Support action for printing program version
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* This class inherited from [[Action]]
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**/
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'use strict';
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var util = require('util');
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var Action = require('../action');
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//
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// Constants
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//
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var c = require('../const');
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/*:nodoc:*
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* new ActionVersion(options)
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* - options (object): options hash see [[Action.new]]
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*
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**/
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var ActionVersion = module.exports = function ActionVersion(options) {
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options = options || {};
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options.defaultValue = (options.defaultValue ? options.defaultValue : c.SUPPRESS);
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options.dest = (options.dest || c.SUPPRESS);
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options.nargs = 0;
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this.version = options.version;
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Action.call(this, options);
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};
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util.inherits(ActionVersion, Action);
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/*:nodoc:*
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* ActionVersion#call(parser, namespace, values, optionString) -> Void
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* - parser (ArgumentParser): current parser
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* - namespace (Namespace): namespace for output data
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* - values (Array): parsed values
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* - optionString (Array): input option string(not parsed)
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*
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* Print version and exit
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**/
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ActionVersion.prototype.call = function (parser) {
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var version = this.version || parser.version;
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var formatter = parser._getFormatter();
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formatter.addText(version);
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parser.exit(0, formatter.formatHelp());
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};
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