forked from M3-Academy/challenge-algorithms-v2.0
76 lines
2.3 KiB
JavaScript
76 lines
2.3 KiB
JavaScript
|
/** 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);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|