KGPZ/XSD/common.xsd

<?xml version="1.0"?>
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
  targetNamespace="https://www.koenigsberger-zeitungen.de"
  xmlns="https://www.koenigsberger-zeitungen.de"
  xmlns:kgpz="https://www.koenigsberger-zeitungen.de"
  elementFormDefault="qualified">
  <xsd:simpleType name="NonEmptyString">
    <xsd:restriction base="xsd:string">
      <xsd:minLength value="1" />
    </xsd:restriction>
  </xsd:simpleType>

  <xsd:complexType name="ref">
    <xsd:annotation>
      <xsd:documentation>Referenziert ein anderes Element.</xsd:documentation>
    </xsd:annotation>
    <xsd:simpleContent>
      <xsd:extension base="xsd:string">
        <xsd:attribute name="ref" use="required" type="kgpz:NonEmptyString" >
          <xsd:annotation>
            <xsd:documentation>Pflicht: Die ID des referenzierten Elements.</xsd:documentation>
          </xsd:annotation>
        </xsd:attribute>

        <xsd:attribute name="unsicher" use="optional" default="false" type="xsd:boolean" >
          <xsd:annotation>
            <xsd:documentation>Optional: Ist die Referenz unsicher? Erlaubt: true | false</xsd:documentation>
          </xsd:annotation>
        </xsd:attribute>
      </xsd:extension>
    </xsd:simpleContent>
  </xsd:complexType>

  <!-- This section is almost exactly as in TEI -->
  <xsd:attributeGroup name="dateattributes">
    <xsd:attributeGroup ref="kgpz:when"/>
    <xsd:attributeGroup ref="kgpz:notBefore"/>
    <xsd:attributeGroup ref="kgpz:notAfter"/>
    <xsd:attributeGroup ref="kgpz:from"/>
    <xsd:attributeGroup ref="kgpz:to"/>
  </xsd:attributeGroup>

  <xsd:complexType name="date">
    <xsd:annotation>
      <xsd:documentation>(date) contains a date in any format.</xsd:documentation>
    </xsd:annotation>
    <xsd:attributeGroup ref="kgpz:dateattributes"/>
  </xsd:complexType>

  <xsd:attributeGroup name="when">
    <xsd:attribute name="when">
      <xsd:annotation>
        <xsd:documentation>supplies the value of the date or time in a standard form, e.g. yyyy-mm-dd.</xsd:documentation>
      </xsd:annotation>
      <xsd:simpleType>
        <xsd:union memberTypes="xsd:date xsd:gYear xsd:gMonth xsd:gDay xsd:gYearMonth xsd:gMonthDay xsd:time xsd:dateTime"/>
      </xsd:simpleType>
    </xsd:attribute>
  </xsd:attributeGroup>
  <xsd:attributeGroup name="notBefore">
    <xsd:attribute name="notBefore">
      <xsd:annotation>
        <xsd:documentation>specifies the earliest possible date for the event in standard form, e.g. yyyy-mm-dd.</xsd:documentation>
      </xsd:annotation>
      <xsd:simpleType>
        <xsd:union memberTypes="xsd:date xsd:gYear xsd:gMonth xsd:gDay xsd:gYearMonth xsd:gMonthDay xsd:time xsd:dateTime"/>
      </xsd:simpleType>
    </xsd:attribute>
  </xsd:attributeGroup>
  <xsd:attributeGroup name="notAfter">
    <xsd:attribute name="notAfter">
      <xsd:annotation>
        <xsd:documentation>specifies the latest possible date for the event in standard form, e.g. yyyy-mm-dd.</xsd:documentation>
      </xsd:annotation>
      <xsd:simpleType>
        <xsd:union memberTypes="xsd:date xsd:gYear xsd:gMonth xsd:gDay xsd:gYearMonth xsd:gMonthDay xsd:time xsd:dateTime"/>
      </xsd:simpleType>
    </xsd:attribute>
  </xsd:attributeGroup>
  <xsd:attributeGroup name="from">
    <xsd:attribute name="from">
      <xsd:annotation>
        <xsd:documentation>indicates the starting point of the period in standard form, e.g. yyyy-mm-dd.</xsd:documentation>
      </xsd:annotation>
      <xsd:simpleType>
        <xsd:union memberTypes="xsd:date xsd:gYear xsd:gMonth xsd:gDay xsd:gYearMonth xsd:gMonthDay xsd:time xsd:dateTime"/>
      </xsd:simpleType>
    </xsd:attribute>
  </xsd:attributeGroup>
  <xsd:attributeGroup name="to">
    <xsd:attribute name="to">
      <xsd:annotation>
        <xsd:documentation>indicates the ending point of the period in standard form, e.g. yyyy-mm-dd.</xsd:documentation>
      </xsd:annotation>
      <xsd:simpleType>
        <xsd:union memberTypes="xsd:date xsd:gYear xsd:gMonth xsd:gDay xsd:gYearMonth xsd:gMonthDay xsd:time xsd:dateTime"/>
      </xsd:simpleType>
    </xsd:attribute>
  </xsd:attributeGroup>
</xsd:schema>