diff options
Diffstat (limited to 'node_modules/argparse/lib/action/help.js')
-rw-r--r-- | node_modules/argparse/lib/action/help.js | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/node_modules/argparse/lib/action/help.js b/node_modules/argparse/lib/action/help.js new file mode 100644 index 0000000..b40e05a --- /dev/null +++ b/node_modules/argparse/lib/action/help.js @@ -0,0 +1,47 @@ +/*:nodoc:* + * class ActionHelp + * + * Support action for printing help + * This class inherided from [[Action]] + **/ +'use strict'; + +var util = require('util'); + +var Action = require('../action'); + +// Constants +var c = require('../const'); + +/*:nodoc:* + * new ActionHelp(options) + * - options (object): options hash see [[Action.new]] + * + **/ +var ActionHelp = module.exports = function ActionHelp(options) { + options = options || {}; + if (options.defaultValue !== null) { + options.defaultValue = options.defaultValue; + } else { + options.defaultValue = c.SUPPRESS; + } + options.dest = (options.dest !== null ? options.dest : c.SUPPRESS); + options.nargs = 0; + Action.call(this, options); + +}; +util.inherits(ActionHelp, Action); + +/*:nodoc:* + * ActionHelp#call(parser, namespace, values, optionString) + * - parser (ArgumentParser): current parser + * - namespace (Namespace): namespace for output data + * - values (Array): parsed values + * - optionString (Array): input option string(not parsed) + * + * Print help and exit + **/ +ActionHelp.prototype.call = function (parser) { + parser.printHelp(); + parser.exit(); +}; |