<?xml version="1.0" encoding="UTF-8"?>
<xs:schema attributeFormDefault="unqualified" elementFormDefault="qualified"
           xmlns:xs="http://www.w3.org/2001/XMLSchema">
    <xs:element name="wpml-config" type="wpmlConfig"/>
    <!--
    XML Schema file for the wpml-config.xml file

    Product: WPML
    Site: https://wpml.org

    Author: OnTheGo Systems
    -->


    <!-- Main: start -->
    <xs:complexType name="wpmlConfig">
        <xs:all>
            <xs:element type="wpml-language-switcher-settings" name="language-switcher-settings" minOccurs="0"/>
            <xs:element type="wpml-custom-types" name="custom-types" minOccurs="0"/>
            <xs:element type="wpml-taxonomies" name="taxonomies" minOccurs="0"/>
            <xs:element type="wpml-shortcodes" name="shortcodes" minOccurs="0"/>
            <xs:element type="wpml-shortcode-list" name="shortcode-list" minOccurs="0"/>
            <xs:element type="wpml-non-empty-string" name="built-with-page-builder" minOccurs="0"/>
            <xs:element type="wpml-custom-fields" name="custom-fields" minOccurs="0"/>
            <xs:element type="wpml-custom-term-fields" name="custom-term-fields" minOccurs="0"/>
            <xs:element type="wpml-custom-fields-texts" name="custom-fields-texts" minOccurs="0"/>
            <xs:element type="wpml-admin-texts" name="admin-texts" minOccurs="0"/>
            <xs:element type="wpml-allow-translatable-job-fields" name="allow-translatable-job-fields" minOccurs="0"/>
            <xs:element type="wpml-gutenberg-blocks" name="gutenberg-blocks" minOccurs="0"/>
            <xs:element type="wpml-elementor-widgets" name="elementor-widgets" minOccurs="0"/>
            <xs:element type="wpml-beaver-builder-widgets" name="beaver-builder-widgets" minOccurs="0"/>
            <xs:element type="wpml-cornerstone-widgets" name="cornerstone-widgets" minOccurs="0"/>
            <xs:element type="wpml-siteorigin-widgets" name="siteorigin-widgets" minOccurs="0"/>
            <xs:element type="notices" name="notices" minOccurs="0"/>
        </xs:all>
    </xs:complexType>
    <!-- Main: end -->


    <!-- Shared types: start -->
    <xs:complexType name="wpml-translate-option">
        <xs:simpleContent>
            <xs:extension base="wpml-non-empty-string">
                <xs:attribute name="translate" type="wpml-integer-boolean" use="required" />
                <xs:attribute name="display-as-translated" type="wpml-integer-boolean" use="optional"/>
                <xs:attribute name="automatic" type="wpml-integer-boolean" use="optional"/>
            </xs:extension>
        </xs:simpleContent>
    </xs:complexType>

    <xs:complexType name="wpml-translate-action">
        <xs:simpleContent>
            <xs:extension base="wpml-non-empty-string">
                <xs:attribute name="action" use="required">
                    <xs:simpleType>
                        <xs:restriction base="xs:string">
                            <xs:enumeration value="copy"/>
                            <xs:enumeration value="translate"/>
                            <xs:enumeration value="ignore"/>
                            <xs:enumeration value="copy-once"/>
                        </xs:restriction>
                    </xs:simpleType>
                </xs:attribute>
                <xs:attribute name="style" use="optional">
                    <xs:simpleType>
                        <xs:restriction base="xs:string">
                            <xs:enumeration value="line"/>
                            <xs:enumeration value="textarea"/>
                            <xs:enumeration value="visual"/>
                        </xs:restriction>
                    </xs:simpleType>
                </xs:attribute>
                <xs:attribute type="xs:string" name="label" use="optional"/>
                <xs:attribute type="xs:string" name="group" use="optional"/>
                <xs:attribute name="translate_link_target" use="optional">
                    <xs:simpleType>
                        <xs:restriction base="xs:integer">
                            <xs:enumeration value="0"/>
                            <xs:enumeration value="1"/>
                        </xs:restriction>
                    </xs:simpleType>
                </xs:attribute>
                <xs:attribute name="convert_to_sticky" use="optional">
                    <xs:simpleType>
                        <xs:restriction base="xs:integer">
                            <xs:enumeration value="0"/>
                            <xs:enumeration value="1"/>
                        </xs:restriction>
                    </xs:simpleType>
                </xs:attribute>
                <xs:attribute name="encoding" use="optional">
                    <xs:simpleType>
                        <xs:restriction base="xs:string">
                            <xs:pattern value="[0-9a-z,]*"/>
                        </xs:restriction>
                    </xs:simpleType>
                </xs:attribute>
            </xs:extension>
        </xs:simpleContent>
    </xs:complexType>

    <xs:complexType name="wpml-generic-setting-key" mixed="true">
        <xs:sequence>
            <xs:element type="wpml-generic-setting-key" name="key" maxOccurs="unbounded" minOccurs="0"/>
        </xs:sequence>
        <xs:attribute type="xs:string" name="name" use="required"/>
        <xs:attribute type="xs:string" name="label" use="optional"/>
        <xs:attribute type="xs:string" name="type" use="optional"/>
        <xs:attribute type="xs:string" name="sub-type" use="optional"/>
        <xs:attribute name="encoding" use="optional">
            <xs:simpleType>
                <xs:restriction base="xs:string">
                    <xs:enumeration value="json" />
                </xs:restriction>
            </xs:simpleType>
        </xs:attribute>
        <xs:attribute name="search-method">
            <xs:simpleType>
                <xs:restriction base="xs:string">
                    <xs:enumeration value="wildcards"/>
                    <xs:enumeration value="regex"/>
                </xs:restriction>
            </xs:simpleType>
        </xs:attribute>
    </xs:complexType>

    <xs:simpleType name="wpml-non-empty-string">
        <xs:restriction base="xs:string">
            <xs:minLength value="1"/>
        </xs:restriction>
    </xs:simpleType>

    <xs:simpleType name="wpml-integer-boolean">
        <xs:restriction base="xs:integer">
            <xs:enumeration value="0"/>
            <xs:enumeration value="1"/>
        </xs:restriction>
    </xs:simpleType>
    <!-- Shared types: end -->

    <!-- Shortcodes: start -->
    <xs:complexType name="wpml-shortcodes">
        <xs:sequence>
            <xs:element type="wpml-shortcode" name="shortcode" maxOccurs="unbounded" minOccurs="1"/>
        </xs:sequence>
    </xs:complexType>

    <xs:complexType name="wpml-shortcode">
        <xs:all>
            <xs:element type="wpml-shortcode-tag" name="tag" minOccurs="1" maxOccurs="1"/>
            <xs:element type="wpml-shortcode-attributes" name="attributes" minOccurs="0"/>
        </xs:all>
    </xs:complexType>

    <xs:complexType name="wpml-shortcode-tag">
        <xs:simpleContent>
            <xs:extension base="xs:string">
                <!-- todo: define restriction with enumeration -->
                <xs:attribute type="xs:string" name="encoding" use="optional"/>
                <xs:attribute type="xs:string" name="encoding-condition" use="optional"/>
                <xs:attribute type="xs:string" name="raw-html" use="optional"/>
                <xs:attribute type="xs:string" name="label" use="optional"/>
                <xs:attribute name="ignore-content" type="wpml-integer-boolean" use="optional"/>
                <xs:attribute name="type" use="optional">
                    <xs:simpleType>
                        <xs:restriction base="xs:string">
                            <xs:enumeration value="media-url"/>
                        </xs:restriction>
                    </xs:simpleType>
                </xs:attribute>
            </xs:extension>
        </xs:simpleContent>
    </xs:complexType>

    <xs:complexType name="wpml-shortcode-attributes">
        <xs:sequence>
            <xs:element type="wpml-shortcode-attribute" name="attribute" maxOccurs="unbounded" minOccurs="0"/>
        </xs:sequence>
    </xs:complexType>

    <xs:complexType name="wpml-shortcode-attribute">
        <xs:simpleContent>
            <xs:extension base="xs:string">
                <xs:attribute type="xs:string" name="type" use="optional"/>
                <xs:attribute type="xs:string" name="sub-type" use="optional"/>
                <xs:attribute type="xs:string" name="encoding" use="optional"/>
                <xs:attribute type="xs:string" name="label" use="optional"/>
            </xs:extension>
        </xs:simpleContent>
    </xs:complexType>
    <!-- Shortcodes: end -->

    <!-- Language Switchers: start -->
    <xs:complexType name="wpml-language-switcher-settings">
        <xs:sequence>
            <xs:element type="wpml-generic-setting-key" name="key" maxOccurs="unbounded" minOccurs="1"/>
        </xs:sequence>
    </xs:complexType>
    <!-- Language Switchers: end -->


    <!-- Admin Texts: start -->
    <xs:complexType name="wpml-admin-texts">
        <xs:sequence>
            <xs:element type="wpml-generic-setting-key" name="key" maxOccurs="unbounded" minOccurs="1"/>
        </xs:sequence>
    </xs:complexType>
    <!-- Admin Texts: end -->


    <!-- Custom Fields: start -->
    <xs:complexType name="wpml-custom-fields">
        <xs:sequence>
            <xs:element type="wpml-custom-field" name="custom-field" maxOccurs="unbounded" minOccurs="1"/>
        </xs:sequence>
    </xs:complexType>

    <xs:complexType name="wpml-custom-field">
        <xs:simpleContent>
            <xs:extension base="wpml-translate-action"/>
        </xs:simpleContent>
    </xs:complexType>
    <!-- Custom Fields: end -->

    <!-- Custom Fields Texts: start -->
    <xs:complexType name="wpml-custom-fields-texts">
        <xs:sequence>
            <xs:element type="wpml-generic-setting-key" name="key" maxOccurs="unbounded" minOccurs="1"/>
        </xs:sequence>
    </xs:complexType>
    <!-- Admin Texts: end -->


    <!-- Custom Types: start -->
    <xs:complexType name="wpml-custom-types">
        <xs:sequence>
            <xs:element type="wpml-translate-option" name="custom-type" maxOccurs="unbounded" minOccurs="1"/>
        </xs:sequence>
    </xs:complexType>
    <!-- Custom Types: end -->


    <!-- Taxonomies: start -->
    <xs:complexType name="wpml-taxonomies">
        <xs:sequence>
            <xs:element type="wpml-translate-option" name="taxonomy" maxOccurs="unbounded" minOccurs="1"/>
        </xs:sequence>
    </xs:complexType>
    <!-- Taxonomies: end -->

    <!-- Custom Terms Meta/Fields: start -->
    <xs:complexType name="wpml-custom-term-fields">
        <xs:sequence>
            <xs:element type="wpml-custom-term-field" name="custom-term-field" maxOccurs="unbounded" minOccurs="1"/>
        </xs:sequence>
    </xs:complexType>

    <xs:complexType name="wpml-custom-term-field">
        <xs:simpleContent>
            <xs:extension base="wpml-translate-action"/>
        </xs:simpleContent>
    </xs:complexType>
    <!-- Custom Terms Meta/Fields: end -->

    <!-- Custom Fields: start -->
    <xs:complexType name="wpml-allow-translatable-job-fields">
        <xs:sequence>
            <xs:element type="wpml-allow-translatable-job-field" name="allow-translatable-job-field" maxOccurs="unbounded" minOccurs="1"/>
        </xs:sequence>
    </xs:complexType>

    <xs:complexType name="wpml-allow-translatable-job-field">
        <xs:attribute type="xs:string" name="type" use="required"/>
        <xs:attribute type="xs:string" name="value" use="required"/>
    </xs:complexType>
    <!-- Custom Fields: end -->

	<!-- Shortcode list: start -->
	<xs:simpleType name="wpml-shortcode-list">
		<xs:restriction base="xs:token">
			<xs:pattern value="[^,]+(, ?[^,]+)*"/>
		</xs:restriction>
	</xs:simpleType>
	<!-- Shortcode list: end -->


    <!-- Gutenberg: start -->
    <xs:complexType name="wpml-gutenberg-blocks">
        <xs:sequence>
            <xs:element type="wpml-gutenberg-block" name="gutenberg-block" maxOccurs="unbounded" minOccurs="1" />
        </xs:sequence>
    </xs:complexType>

    <xs:complexType name="wpml-gutenberg-block">
        <xs:choice maxOccurs="unbounded">
            <xs:element type="wpml-xpath" name="xpath" maxOccurs="unbounded" minOccurs="0"/>
            <xs:element type="wpml-generic-setting-key" name="key" maxOccurs="unbounded" minOccurs="0"/>
        </xs:choice>
        <xs:attribute type="xs:string" name="type" use="required"/>
        <xs:attribute type="xs:string" name="label" use="optional"/>
        <xs:attribute name="translate" use="required">
            <xs:simpleType>
                <xs:restriction base="xs:integer">
                    <xs:enumeration value="0"/>
                    <xs:enumeration value="1"/>
                </xs:restriction>
            </xs:simpleType>
        </xs:attribute>
    </xs:complexType>

    <xs:complexType name="wpml-xpath">
        <xs:simpleContent>
            <xs:extension base="xs:string">
                <xs:attribute type="xs:string" name="type" use="optional"/>
                <xs:attribute type="xs:string" name="sub-type" use="optional"/>
                <xs:attribute type="xs:string" name="label" use="optional"/>
            </xs:extension>
        </xs:simpleContent>
    </xs:complexType>
    <!-- Gutenberg: end -->

    <!-- API Page Builders: start -->
    <xs:complexType name="wpml-elementor-widgets">
        <xs:sequence>
            <xs:element type="wpml-pb-widget" name="widget" maxOccurs="unbounded" minOccurs="1"/>
        </xs:sequence>
    </xs:complexType>

    <xs:complexType name="wpml-beaver-builder-widgets">
        <xs:sequence>
            <xs:element type="wpml-pb-widget" name="widget" maxOccurs="unbounded" minOccurs="1"/>
        </xs:sequence>
    </xs:complexType>

    <xs:complexType name="wpml-cornerstone-widgets">
        <xs:sequence>
            <xs:element type="wpml-pb-widget" name="widget" maxOccurs="unbounded" minOccurs="1"/>
        </xs:sequence>
    </xs:complexType>

    <xs:complexType name="wpml-siteorigin-widgets">
        <xs:sequence>
            <xs:element type="wpml-pb-widget" name="widget" maxOccurs="unbounded" minOccurs="1"/>
        </xs:sequence>
    </xs:complexType>

    <xs:complexType name="wpml-pb-widget">
        <xs:choice maxOccurs="unbounded">
            <xs:element type="wpml-pb-widget-conditions" name="conditions" minOccurs="0"/>
            <xs:element type="wpml-pb-widget-fields" name="fields" minOccurs="0"/>
            <xs:element type="wpml-pb-widget-fields-in-item" name="fields-in-item" minOccurs="0" maxOccurs="unbounded"/>
            <xs:element type="wpml-pb-widget-integration-classes" name="integration-classes" minOccurs="0"/>
        </xs:choice>
        <xs:attribute name="name" type="xs:string"/>
    </xs:complexType>

    <xs:complexType name="wpml-pb-widget-conditions">
        <xs:sequence>
            <xs:element type="wpml-pb-widget-condition" name="condition"  maxOccurs="unbounded" minOccurs="1"/>
        </xs:sequence>
    </xs:complexType>

    <xs:complexType name="wpml-pb-widget-condition">
        <xs:simpleContent>
            <xs:extension base="xs:string">
                <xs:attribute type="xs:string" name="key" use="optional"/>
            </xs:extension>
        </xs:simpleContent>
    </xs:complexType>

    <xs:complexType name="wpml-pb-widget-fields">
        <xs:sequence>
            <xs:element type="wpml-pb-widget-field" name="field" maxOccurs="unbounded" minOccurs="1"/>
        </xs:sequence>
    </xs:complexType>

    <xs:complexType name="wpml-pb-widget-fields-in-item">
        <xs:sequence>
            <xs:element type="wpml-pb-widget-field" name="field"  maxOccurs="unbounded" minOccurs="1"/>
        </xs:sequence>
        <xs:attribute name="items_of" type="xs:string" use="required" />
    </xs:complexType>

    <xs:complexType name="wpml-pb-widget-field">
        <xs:simpleContent>
            <xs:extension base="wpml-non-empty-string">
                <xs:attribute type="xs:string" name="type"/>
                <xs:attribute type="xs:string" name="sub-type" use="optional"/>
                <xs:attribute name="editor_type" use="optional">
                    <xs:simpleType>
                        <xs:restriction base="xs:string">
                            <xs:enumeration value="LINE"/>
                            <xs:enumeration value="AREA"/>
                            <xs:enumeration value="VISUAL"/>
                            <xs:enumeration value="LINK"/>
                        </xs:restriction>
                    </xs:simpleType>
                </xs:attribute>
                <xs:attribute type="xs:string" name="key_of" use="optional"/>
                <xs:attribute type="xs:string" name="field_id" use="optional"/>
            </xs:extension>
        </xs:simpleContent>
    </xs:complexType>

    <xs:complexType name="wpml-pb-widget-integration-classes">
        <xs:sequence>
            <xs:element type="wpml-non-empty-string" name="integration-class" maxOccurs="unbounded" minOccurs="1"/>
        </xs:sequence>
    </xs:complexType>
    <!-- API Page Builders: end -->

    <!-- Notices:start -->
    <xs:complexType name="notices">
        <xs:sequence>
            <xs:element type="notice" name="notice" maxOccurs="unbounded" minOccurs="1"/>
        </xs:sequence>
    </xs:complexType>

    <xs:complexType name="notice">
        <xs:all>
            <xs:element type="notice-conditions" name="conditions" maxOccurs="1" minOccurs="0" />
            <xs:element type="notice-locations" name="locations" maxOccurs="1" minOccurs="1"/>
            <xs:element type="wpml-non-empty-string" name="content" maxOccurs="1" minOccurs="1"/>
        </xs:all>
        <xs:attribute type="xs:string" name="id" use="required"/>
        <xs:attribute type="xs:string" name="type" use="optional"/>
        <xs:attribute type="wpml-integer-boolean" name="dismissible" use="optional"/>
    </xs:complexType>

    <xs:complexType name="notice-conditions">
        <xs:choice maxOccurs="unbounded">
            <xs:element name="theme" type="xs:string"/>
            <xs:element name="plugin" type="xs:string"/>
            <xs:element name="conditions" type="notice-conditions"/>
        </xs:choice>
        <xs:attribute name="relation" type="relation-type" use="optional"/>
    </xs:complexType>


    <xs:simpleType name="relation-type">
        <xs:restriction base="xs:string">
            <xs:enumeration value="AND"/>
            <xs:enumeration value="OR"/>
        </xs:restriction>
    </xs:simpleType>

    <xs:complexType name="notice-locations">
        <xs:sequence>
            <xs:element type="wpml-non-empty-string" name="screenId" maxOccurs="unbounded" minOccurs="1"/>
        </xs:sequence>
    </xs:complexType>
    <!-- Notices:end -->

</xs:schema>