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qwen/nodejs/node_modules/argparse/lib/action/count.js

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+/*:nodoc:*
+ * class ActionCount
+ *
+ * This counts the number of times a keyword argument occurs.
+ * For example, this is useful for increasing verbosity levels
+ *
+ * This class inherided from [[Action]]
+ *
+ **/
+'use strict';
+
+var util = require('util');
+
+var Action = require('../action');
+
+/*:nodoc:*
+ * new ActionCount(options)
+ * - options (object): options hash see [[Action.new]]
+ *
+ **/
+var ActionCount = module.exports = function ActionCount(options) {
+  options = options || {};
+  options.nargs = 0;
+
+  Action.call(this, options);
+};
+util.inherits(ActionCount, Action);
+
+/*:nodoc:*
+ * ActionCount#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. Save result in namespace object
+ **/
+ActionCount.prototype.call = function (parser, namespace) {
+  namespace.set(this.dest, (namespace[this.dest] || 0) + 1);
+};