// Copyright 2020 - 2021 The xgen Authors. All rights reserved. Use of this
// source code is governed by a BSD-style license that can be found in the
// LICENSE file.
//
// Package xgen written in pure Go providing a set of functions that allow you
// to parse XSD (XML schema files). This library needs Go version 1.10 or
// later.

package xgen

import "encoding/xml"

// OnList handles parsing event on the list start elements. The list element
// defines a simple type element as a list of values of a specified data
// type.
func (opt *Options) OnList(ele xml.StartElement, protoTree []interface{}) (err error) {
	if opt.SimpleType.Peek() == nil {
		return
	}
	opt.SimpleType.Peek().(*SimpleType).List = true
	for _, attr := range ele.Attr {
		if attr.Name.Local == "itemType" {
			if opt.SimpleType.Peek().(*SimpleType).Base, err = opt.GetValueType(attr.Value, protoTree); err != nil {
				return
			}
		}
	}
	return
}