translations.xsd

<!-- 
    Copyright (C) 2009-2014 ART-DECOR expert group art-decor.org
    
    Author: Dr. Kai U. Heitmann
    
    This program is free software; you can redistribute it and/or modify it under the terms 
    of the GNU General Public License as published by the Free Software Foundation; 
    either version 3 of the License, or (at your option) any later version.
    
    This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; 
    without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 
    See the GNU General Public License for more details.
    
    See http://www.gnu.org/licenses/gpl.html
    
-->
<!-- DECOR internationalization i18n schema -->
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:sch="http://purl.oclc.org/dsdl/schematron">

    <xs:element name="translations">
        <xs:complexType>
            <xs:sequence>
                <xs:element name="item" type="TranslationItem" minOccurs="0" maxOccurs="unbounded">
                    <xs:annotation>
                        <xs:documentation xml:lang="en-US">Holds translations in any language based on value in @id</xs:documentation>
                    </xs:annotation>
                    <xs:unique name="uniqueTranslationKey">
                        <xs:selector xpath="translation"/>
                        <xs:field xpath="@lang"/>
                    </xs:unique>
                </xs:element>
            </xs:sequence>
        </xs:complexType>
    </xs:element>

    <xs:complexType name="TranslationItem">
        <xs:sequence>
            <xs:element name="translation" type="translation" minOccurs="1" maxOccurs="unbounded">
                <xs:annotation>
                    <xs:documentation xml:lang="en-US">Holds a translation in the language as coded in @lang. Translation is usually just text with variables, but may be more complex with markup.</xs:documentation>
                </xs:annotation>
            </xs:element>
        </xs:sequence>
        <xs:attribute name="id" type="xs:ID" use="required"/>
        <xs:attribute name="ecode" type="xs:boolean" use="optional"/>
    </xs:complexType>
    
    <xs:complexType name="translation" mixed="true">
        <xs:sequence>
            <xs:any namespace="##any" processContents="skip" minOccurs="0" maxOccurs="unbounded"/>
        </xs:sequence>
        <xs:attribute name="lang" type="LanguageCodePattern" use="required"/>
    </xs:complexType>
    
    <xs:simpleType name="LanguageCodePattern">
        <xs:annotation>
            <xs:documentation xml:lang="en-US">A pattern for languages ss-CC</xs:documentation>
        </xs:annotation>
        <xs:restriction base="xs:language">
            <xs:pattern value="[a-z][a-z](-[A-Z][A-Z])?"/>
        </xs:restriction>
    </xs:simpleType>
</xs:schema>