<?xml version="1.0" encoding="UTF-8"?>

<!--

 | (C) Copyright IBM Corporation 2005 - 2006. All Rights Reserved.

 *-->

<!-- ============ Hooks for domain extension ============ -->

<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified" xmlns:ditaarch="http://dita.oasis-open.org/architecture/2005/">

  <xs:import namespace="http://dita.oasis-open.org/architecture/2005/" schemaLocation="../../../schema/ditaarch.xsd"/>

  <xs:import namespace="http://www.w3.org/XML/1998/namespace" schemaLocation="../../../schema/xml.xsd"/>

  <!-- ============ Hooks for shell DTD ============ -->

  <xs:group name="apiClassifier-types-default">

    <xs:choice>

      <xs:element ref="apiClassifier"/>

      <xs:element ref="apiOperation"/>

      <xs:element ref="apiValue"/>

    </xs:choice>

  </xs:group>

  <xs:group name="apiClassifier-info-types">

    <xs:sequence>

      <xs:group ref="apiClassifier-types-default"/>

    </xs:sequence>

  </xs:group>

  <!-- ============ Element definitions ============ -->

  <xs:element name="apiClassifier" type="apiClassifier.class" />

  <xs:complexType name="apiClassifier.class">

    <xs:sequence>

      <xs:group ref="apiName"/>

      <xs:choice>

        <xs:group ref="shortdesc" />

        <xs:group ref="abstract" />

      </xs:choice>      

      <xs:group minOccurs="0" ref="prolog"/>

      <xs:group ref="apiClassifierDetail"/>

      <xs:group minOccurs="0" ref="related-links"/>

      <xs:group minOccurs="0" maxOccurs="unbounded" ref="apiClassifier-info-types"/>

    </xs:sequence>

    <xs:attributeGroup ref="apiClassifier.attlist"/>

  </xs:complexType>

  <xs:attributeGroup name="apiClassifier.attlist">

    <xs:attribute name="id" use="required" type="xs:ID"/>

    <xs:attribute name="conref"/>

    <xs:attribute name="outputclass"/>

    <xs:attributeGroup ref="select-atts"/>

    <xs:attributeGroup ref="localization-atts"/>

    <xs:attribute ref="ditaarch:DITAArchVersion"/>

    <xs:attributeGroup ref="global-atts"/>

    <xs:attribute name="class" default="- topic/topic reference/reference apiRef/apiRef apiClassifier/apiClassifier "/>

  </xs:attributeGroup>

  <xs:element name="apiClassifierDetail">

    <xs:complexType>

      <xs:sequence>

        <xs:choice>

          <xs:group minOccurs="0" maxOccurs="unbounded" ref="apiSyntax"/>

          <xs:group minOccurs="0" maxOccurs="unbounded" ref="apiClassifierDef"/>

        </xs:choice>

        <xs:group minOccurs="0" maxOccurs="unbounded" ref="apiDesc"/>

        <xs:choice minOccurs="0" maxOccurs="unbounded">

          <xs:group ref="example"/>

          <xs:group ref="section"/>

          <xs:group ref="apiImpl"/>

        </xs:choice>

      </xs:sequence>

      <xs:attributeGroup ref="apiClassifierDetail.attlist"/>

    </xs:complexType>

  </xs:element>

  <xs:attributeGroup name="apiClassifierDetail.attlist">

    <xs:attributeGroup ref="id-atts"/>

    <xs:attributeGroup ref="localization-atts"/>

    <xs:attribute name="outputclass"/>

    <xs:attributeGroup ref="global-atts"/>

    <xs:attribute name="class" default="- topic/body reference/refbody apiRef/apiDetail apiClassifier/apiClassifierDetail "/>

  </xs:attributeGroup>

  <xs:element name="apiClassifierDef">

    <xs:complexType>

      <xs:choice minOccurs="0" maxOccurs="unbounded">

        <xs:group ref="apiBaseClassifier"/>

        <xs:group ref="apiDefinition.cnt"/>

        <xs:group ref="apiClassifierMember"/>

        <xs:group ref="apiItemName"/>

      </xs:choice>

      <xs:attributeGroup ref="apiClassifierDef.attlist"/>

    </xs:complexType>

  </xs:element>

  <xs:attributeGroup name="apiClassifierDef.attlist">

    <xs:attribute name="spectitle"/>

    <xs:attributeGroup ref="univ-atts"/>

    <xs:attribute name="outputclass"/>

    <xs:attributeGroup ref="global-atts"/>

    <xs:attribute name="class" default="- topic/section reference/section apiRef/apiDef apiClassifier/apiClassifierDef "/>

  </xs:attributeGroup>

  <xs:element name="apiBaseClassifier">

    <xs:complexType mixed="true">

      <xs:attributeGroup ref="apiBaseClassifier.attlist"/>

    </xs:complexType>

  </xs:element>

  <xs:attributeGroup name="apiBaseClassifier.attlist">

    <xs:attribute name="href"/>

    <xs:attribute name="keyref"/>

    <xs:attribute name="type"/>

    <xs:attributeGroup ref="univ-atts"/>

    <xs:attribute name="format"/>

    <xs:attribute name="scope">

      <xs:simpleType>

        <xs:restriction base="xs:token">

          <xs:enumeration value="local"/>

          <xs:enumeration value="peer"/>

          <xs:enumeration value="external"/>

          <xs:enumeration value="-dita-use-conref-target"/>

        </xs:restriction>

      </xs:simpleType>

    </xs:attribute>

    <xs:attribute name="outputclass"/>

    <xs:attributeGroup ref="global-atts"/>

    <xs:attribute name="class" default="- topic/xref reference/xref apiRef/apiRelation apiClassifier/apiBaseClassifier "/>

  </xs:attributeGroup>

  <xs:element name="apiClassifierMember">

    <xs:complexType>

      <xs:choice minOccurs="0" maxOccurs="unbounded">

        <xs:group ref="apiItemName"/>

        <xs:group ref="apiOtherClassifier"/>

        <xs:group ref="apiDefinition.cnt"/>

        <xs:group ref="apiClassifierMember"/>

      </xs:choice>

      <xs:attributeGroup ref="apiClassifierMember.attlist"/>

    </xs:complexType>

  </xs:element>

  <xs:attributeGroup name="apiClassifierMember.attlist">

    <xs:attribute name="keyref"/>

    <xs:attributeGroup ref="univ-atts"/>

    <xs:attribute name="outputclass"/>

    <xs:attributeGroup ref="global-atts"/>

    <xs:attribute name="class" default="- topic/ph reference/ph apiRef/apiDefItem apiClassifier/apiClassifierMember "/>

  </xs:attributeGroup>

  <xs:element name="apiOtherClassifier">

    <xs:complexType mixed="true">

      <xs:attributeGroup ref="apiOtherClassifier.attlist"/>

    </xs:complexType>

  </xs:element>

  <xs:attributeGroup name="apiOtherClassifier.attlist">

    <xs:attribute name="href"/>

    <xs:attribute name="keyref"/>

    <xs:attribute name="type"/>

    <xs:attributeGroup ref="univ-atts"/>

    <xs:attribute name="format"/>

    <xs:attribute name="scope">

      <xs:simpleType>

        <xs:restriction base="xs:token">

          <xs:enumeration value="local"/>

          <xs:enumeration value="peer"/>

          <xs:enumeration value="external"/>

          <xs:enumeration value="-dita-use-conref-target"/>

        </xs:restriction>

      </xs:simpleType>

    </xs:attribute>

    <xs:attribute name="outputclass"/>

    <xs:attributeGroup ref="global-atts"/>

    <xs:attribute name="class" default="- topic/xref reference/xref apiRef/apiRelation apiClassifier/apiOtherClassifier "/>

  </xs:attributeGroup>

  <!-- ============ Class ancestry ============ -->

</xs:schema>