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- /** internal
- * class ArgumentGroup
- *
- * Group arguments.
- * By default, ArgumentParser groups command-line arguments
- * into “positional arguments” and “optional arguments”
- * when displaying help messages. When there is a better
- * conceptual grouping of arguments than this default one,
- * appropriate groups can be created using the addArgumentGroup() method
- *
- * This class inherited from [[ArgumentContainer]]
- **/
- 'use strict';
-
- var util = require('util');
-
- var ActionContainer = require('../action_container');
-
-
- /**
- * new ArgumentGroup(container, options)
- * - container (object): main container
- * - options (object): hash of group options
- *
- * #### options
- * - **prefixChars** group name prefix
- * - **argumentDefault** default argument value
- * - **title** group title
- * - **description** group description
- *
- **/
- var ArgumentGroup = module.exports = function ArgumentGroup(container, options) {
-
- options = options || {};
-
- // add any missing keyword arguments by checking the container
- options.conflictHandler = (options.conflictHandler || container.conflictHandler);
- options.prefixChars = (options.prefixChars || container.prefixChars);
- options.argumentDefault = (options.argumentDefault || container.argumentDefault);
-
- ActionContainer.call(this, options);
-
- // group attributes
- this.title = options.title;
- this._groupActions = [];
-
- // share most attributes with the container
- this._container = container;
- this._registries = container._registries;
- this._actions = container._actions;
- this._optionStringActions = container._optionStringActions;
- this._defaults = container._defaults;
- this._hasNegativeNumberOptionals = container._hasNegativeNumberOptionals;
- this._mutuallyExclusiveGroups = container._mutuallyExclusiveGroups;
- };
- util.inherits(ArgumentGroup, ActionContainer);
-
-
- ArgumentGroup.prototype._addAction = function (action) {
- // Parent add action
- action = ActionContainer.prototype._addAction.call(this, action);
- this._groupActions.push(action);
- return action;
- };
-
-
- ArgumentGroup.prototype._removeAction = function (action) {
- // Parent remove action
- ActionContainer.prototype._removeAction.call(this, action);
- var actionIndex = this._groupActions.indexOf(action);
- if (actionIndex >= 0) {
- this._groupActions.splice(actionIndex, 1);
- }
- };
-
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