<?xml version="1.0" encoding="UTF-8"?>
<!--
/**
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */
-->
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
    <xs:include schemaLocation="urn:magento:framework:View/Layout/etc/elements.xsd"/>
    <xs:include schemaLocation="urn:magento:framework:View/Layout/etc/head.xsd"/>
    <xs:include schemaLocation="urn:magento:framework:View/Layout/etc/body.xsd"/>
    <xs:include schemaLocation="urn:magento:framework:View/Layout/etc/html.xsd"/>

    <xs:element name="layout">
        <xs:annotation>
            <xs:documentation>
                Handle id must be unique.
            </xs:documentation>
        </xs:annotation>
        <xs:complexType>
            <xs:sequence>
                <xs:element ref="handle" minOccurs="1" maxOccurs="1"/>
            </xs:sequence>
        </xs:complexType>
        <xs:key name="handleName">
            <xs:selector xpath="handle"/>
            <xs:field xpath="@id"/>
        </xs:key>
    </xs:element>

    <xs:element name="handle" type="handleType" />

    <xs:complexType name="layoutType">
        <xs:annotation>
            <xs:documentation>
                Layout Type definition
            </xs:documentation>
        </xs:annotation>
        <xs:choice minOccurs="0" maxOccurs="unbounded">
            <xs:element ref="referenceContainer" minOccurs="0" maxOccurs="unbounded"/>
            <xs:element name="container" type="containerType" minOccurs="0" maxOccurs="unbounded"/>
            <xs:element ref="update" minOccurs="0" maxOccurs="unbounded"/>
            <xs:element ref="remove" minOccurs="0" maxOccurs="unbounded"/>
            <xs:element ref="move" minOccurs="0" maxOccurs="unbounded"/>
            <xs:element ref="block" minOccurs="0" maxOccurs="unbounded"/>
            <xs:element ref="referenceBlock" minOccurs="0" maxOccurs="unbounded"/>
            <xs:element name="body" type="bodyType" minOccurs="0" maxOccurs="unbounded"/>
            <xs:element name="head" type="headType" minOccurs="0" maxOccurs="unbounded"/>
            <xs:element name="html" type="htmlType" minOccurs="0" maxOccurs="unbounded"/>
        </xs:choice>
    </xs:complexType>

    <xs:complexType name="handleType">
        <xs:annotation>
            <xs:documentation>
                Handle Type definition
            </xs:documentation>
        </xs:annotation>
        <xs:complexContent>
            <xs:extension base="layoutType">
                <xs:attribute type="elementNameType" name="id" use="required"/>
            </xs:extension>
        </xs:complexContent>
    </xs:complexType>

    <xs:complexType name="const">
        <xs:complexContent>
            <xs:extension base="argumentType" />
        </xs:complexContent>
    </xs:complexType>
</xs:schema>
