<?xml version="1.0" encoding="UTF-8"?>
<!--
/**
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 * See COPYING.txt for license details.
 */
-->
<xs:schema elementFormDefault="qualified" xmlns:xs="http://www.w3.org/2001/XMLSchema">
    <xs:element name="map" type="mapType" />

    <xs:complexType name="mapType">
        <xs:all>
            <xs:element name="source" type="sourceRulesType" maxOccurs="1" minOccurs="1" />
            <xs:element name="destination" type="destinationRulesType" maxOccurs="1" minOccurs="1" />
        </xs:all>
    </xs:complexType>

    <xs:complexType name="sourceRulesType">
        <xs:sequence>
            <xs:element name="document_rules" type="sourceDocumentRulesType" maxOccurs="unbounded" minOccurs="0" />
            <xs:element name="field_rules" type="sourceFieldRulesType" maxOccurs="unbounded" minOccurs="0" />
        </xs:sequence>
    </xs:complexType>

    <xs:complexType name="destinationRulesType">
        <xs:sequence>
            <xs:element name="document_rules" type="destinationDocumentRulesType" maxOccurs="unbounded" minOccurs="0" />
            <xs:element name="field_rules" type="destinationFieldRulesType" maxOccurs="unbounded" minOccurs="0" />
        </xs:sequence>
    </xs:complexType>

    <xs:complexType name="sourceDocumentRulesType">
        <xs:choice minOccurs="1" maxOccurs="unbounded">
            <xs:element name="rename" type="renameDocumentType" maxOccurs="unbounded" minOccurs="0" />
            <xs:element name="ignore" type="ignoreDocumentType" maxOccurs="unbounded" minOccurs="0" />
        </xs:choice>
    </xs:complexType>

    <xs:complexType name="destinationDocumentRulesType">
        <xs:choice minOccurs="1" maxOccurs="unbounded">
            <xs:element name="ignore" type="ignoreDocumentType" maxOccurs="unbounded" minOccurs="0" />
        </xs:choice>
    </xs:complexType>

    <xs:complexType name="ignoreDocumentType">
        <xs:sequence>
            <xs:element name="document" type="notEmptyString" />
        </xs:sequence>
    </xs:complexType>

    <xs:complexType name="renameDocumentType">
        <xs:sequence>
            <xs:element name="document" type="notEmptyString" />
            <xs:element name="to" type="notEmptyString" />
        </xs:sequence>
    </xs:complexType>
    <xs:complexType name="sourceFieldRulesType">
        <xs:choice minOccurs="1" maxOccurs="unbounded">
            <xs:element name="ignore" type="ignoreFieldType" minOccurs="0" maxOccurs="unbounded" />
            <xs:element name="move" type="moveFieldType" minOccurs="0" maxOccurs="unbounded" />
            <xs:element name="transform" type="transformFieldType" minOccurs="0" maxOccurs="unbounded" />
        </xs:choice>
    </xs:complexType>

    <xs:complexType name="destinationFieldRulesType">
        <xs:choice minOccurs="1" maxOccurs="unbounded">
            <xs:element name="ignore" type="ignoreFieldType" minOccurs="0" maxOccurs="unbounded" />
            <xs:element name="transform" type="transformFieldType" minOccurs="0" maxOccurs="unbounded" />
        </xs:choice>
    </xs:complexType>

    <xs:complexType name="ignoreFieldType">
        <xs:choice minOccurs="1" maxOccurs="1">
            <xs:element name="field" type="fieldFormatType" minOccurs="1" maxOccurs="1" />
            <xs:element name="datatype" type="fieldFormatType" minOccurs="1" maxOccurs="1" />
        </xs:choice>
    </xs:complexType>

    <xs:complexType name="moveFieldType">
        <xs:sequence>
            <xs:element name="field" type="fieldFormatType" />
            <xs:element name="to" type="fieldFormatType" />
        </xs:sequence>
    </xs:complexType>

    <xs:complexType name="transformFieldType">
        <xs:sequence>
            <xs:element name="field" type="fieldFormatType" />
            <xs:element name="handler" type="handlerType">
                <xs:unique name="uniqueParamName">
                    <xs:selector xpath="param" />
                    <xs:field xpath="@name" />
                </xs:unique>
            </xs:element>
        </xs:sequence>
    </xs:complexType>

    <xs:complexType name="handlerType">
        <xs:sequence>
            <xs:element name="param" type="handlerParamType" maxOccurs="unbounded" minOccurs="0" />
        </xs:sequence>
        <xs:attribute name="class" use="required">
            <xs:simpleType>
                <xs:restriction base="xs:string">
                    <xs:pattern value="[0-9a-zA-Z_\\\\]+" />
                </xs:restriction>
            </xs:simpleType>
        </xs:attribute>
    </xs:complexType>
    <xs:complexType name="handlerParamType">
        <xs:attribute name="name" type="xs:string" use="required" />
        <xs:attribute name="value" type="xs:string" use="required" />
    </xs:complexType>
    <xs:simpleType name="fieldFormatType">
        <xs:annotation>
            <xs:documentation>Field format: "document_name.field_name"</xs:documentation>
        </xs:annotation>
        <xs:restriction base="xs:string">
            <xs:pattern value="[^.]+\.[^.]+" />
        </xs:restriction>
    </xs:simpleType>
    <xs:simpleType name="notEmptyString">
        <xs:restriction base="xs:string">
            <xs:minLength value="1" />
        </xs:restriction>
    </xs:simpleType>
</xs:schema>
