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Rosanny Sihombing authoredThis reverts merge request !169
5b5df7d0
/** internal * class ActionSubparsers * * Support the creation of such sub-commands with the addSubparsers() * * This class inherited from [[Action]] **/'use strict';var util = require('util');var format = require('util').format;var Action = require('../action');// Constantsvar c = require('../const');// Errorsvar argumentErrorHelper = require('../argument/error');/*:nodoc:* * new ChoicesPseudoAction(name, help) * * Create pseudo action for correct help text * **/function ChoicesPseudoAction(name, help) { var options = { optionStrings: [], dest: name, help: help }; Action.call(this, options);}util.inherits(ChoicesPseudoAction, Action);/** * new ActionSubparsers(options) * - options (object): options hash see [[Action.new]] * **/function ActionSubparsers(options) { options = options || {}; options.dest = options.dest || c.SUPPRESS; options.nargs = c.PARSER; this.debug = (options.debug === true); this._progPrefix = options.prog; this._parserClass = options.parserClass; this._nameParserMap = {}; this._choicesActions = []; options.choices = this._nameParserMap; Action.call(this, options);}util.inherits(ActionSubparsers, Action);/*:nodoc:* * ActionSubparsers#addParser(name, options) -> ArgumentParser * - name (string): sub-command name * - options (object): see [[ArgumentParser.new]] * * Note: * addParser supports an additional aliases option,
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* which allows multiple strings to refer to the same subparser.
* This example, like svn, aliases co as a shorthand for checkout
*
**/
ActionSubparsers.prototype.addParser = function (name, options) {
var parser;
var self = this;
options = options || {};
options.debug = (this.debug === true);
// set program from the existing prefix
if (!options.prog) {
options.prog = this._progPrefix + ' ' + name;
}
var aliases = options.aliases || [];
// create a pseudo-action to hold the choice help
if (!!options.help || typeof options.help === 'string') {
var help = options.help;
delete options.help;
var choiceAction = new ChoicesPseudoAction(name, help);
this._choicesActions.push(choiceAction);
}
// create the parser and add it to the map
parser = new this._parserClass(options);
this._nameParserMap[name] = parser;
// make parser available under aliases also
aliases.forEach(function (alias) {
self._nameParserMap[alias] = parser;
});
return parser;
};
ActionSubparsers.prototype._getSubactions = function () {
return this._choicesActions;
};
/*:nodoc:*
* ActionSubparsers#call(parser, namespace, values, optionString) -> Void
* - parser (ArgumentParser): current parser
* - namespace (Namespace): namespace for output data
* - values (Array): parsed values
* - optionString (Array): input option string(not parsed)
*
* Call the action. Parse input aguments
**/
ActionSubparsers.prototype.call = function (parser, namespace, values) {
var parserName = values[0];
var argStrings = values.slice(1);
// set the parser name if requested
if (this.dest !== c.SUPPRESS) {
namespace[this.dest] = parserName;
}
// select the parser
if (this._nameParserMap[parserName]) {
parser = this._nameParserMap[parserName];
} else {
throw argumentErrorHelper(format(
'Unknown parser "%s" (choices: [%s]).',
parserName,