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

<!-- ================================================================= -->

<!-- HEADER -->

<!-- ================================================================= -->

<!-- MODULE:    C++ Union DTD -->

<!-- VERSION:   0.6.0 -->

<!-- DATE:      May 2009 -->

<!---->

<!-- ================================================================= -->

<!-- ================================================================= -->

<!-- PUBLIC DOCUMENT TYPE DEFINITION -->

<!-- TYPICAL INVOCATION -->

<!---->

<!--

  Refer to this file by the following public identifier or an 

        appropriate system identifier 

  PUBLIC "-//NOKIA//DTD DITA C++ API Union Reference Type v0.6.0//EN"

        Delivered as file "cxxUnion.dtd"

-->

<!-- ================================================================= -->

<!-- SYSTEM:     Darwin Information Typing Architecture (DITA) -->

<!---->

<!-- PURPOSE:    C++ API Reference for Unions -->

<!---->

<!-- ORIGINAL CREATION DATE: -->

<!-- November 2009 -->

<!---->

<!-- Copyright (c) 2009-2010 Nokia Corporation and/or its subsidiary(-ies). -->

<!-- All rights reserved. -->

<!---->

<!-- Change History (latest at top): -->

<!-- +++++++++++++++++++++++++++++++ -->

<!-- 2010-05-14 PaulRoss: Fixed templates. -->

<!-- 2010-02-16 VOG: Updated. -->

<!-- 2010-02-10 PaulRoss: Updated. -->

<!-- 2009-11-16 PaulRoss: Initial design. -->

<!---->

<!-- ================================================================= -->

<!--

  Copyright (c) 2009-2010 Nokia Corporation and/or its subsidiary(-ies).

  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/base/xsd/ditaarch.xsd"/>

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

  <xs:group name="cxxUnionDetail">

    <xs:sequence>

      <xs:element ref="cxxUnionDetail"/>

    </xs:sequence>

  </xs:group>

  <xs:group name="cxxUnionDefinition">

    <xs:sequence>

      <xs:element ref="cxxUnionDefinition"/>

    </xs:sequence>

  </xs:group>

  <xs:group name="cxxUnionAbstract">

    <xs:sequence>

      <xs:element ref="cxxUnionAbstract"/>

    </xs:sequence>

  </xs:group>

  <xs:group name="cxxUnionAccessSpecifier">

    <xs:sequence>

      <xs:element ref="cxxUnionAccessSpecifier"/>

    </xs:sequence>

  </xs:group>

  <!--

    union has no inheritance  

    <!ENTITY % cxxUnionDerivations                  "cxxUnionDerivations">

    <!ENTITY % cxxUnionDerivation                   "cxxUnionDerivation">

  -->

  <xs:group name="cxxUnionTemplateParameters">

    <xs:sequence>

      <xs:element ref="cxxUnionTemplateParameters"/>

    </xs:sequence>

  </xs:group>

  <xs:group name="cxxUnionTemplateParameter">

    <xs:sequence>

      <xs:element ref="cxxUnionTemplateParameter"/>

    </xs:sequence>

  </xs:group>

  <xs:group name="cxxUnionTemplateParameterType">

    <xs:sequence>

      <xs:element ref="cxxUnionTemplateParameterType"/>

    </xs:sequence>

  </xs:group>

  <!-- Derivation -->

  <!--

    union has no inheritance  

    <!ENTITY % cxxUnionDerivationAccessSpecifier    "cxxUnionDerivationAccessSpecifier">

    <!ENTITY % cxxUnionDerivationVirtual            "cxxUnionDerivationVirtual">

    <!ENTITY % cxxUnionBaseClass                    "cxxUnionBaseClass">

    <!ENTITY % cxxUnionBaseStruct                   "cxxUnionBaseStruct">

    <!ENTITY % cxxUnionBaseUnion                    "cxxUnionBaseUnion">

    <!ENTITY % cxxUnionInherits                     "cxxUnionInherits">

    <!ENTITY % cxxUnionInheritsDetail               "cxxUnionInheritsDetail">

    <!ENTITY % cxxUnionFunctionInherited            "cxxUnionFunctionInherited">

    <!ENTITY % cxxUnionVariableInherited            "cxxUnionVariableInherited">

    <!ENTITY % cxxUnionEnumerationInherited         "cxxUnionEnumerationInherited">

  -->

  <!-- Nested members -->

  <xs:group name="cxxUnionNestedDetail">

    <xs:sequence>

      <xs:element ref="cxxUnionNestedDetail"/>

    </xs:sequence>

  </xs:group>

  <xs:group name="cxxUnionNestedClass">

    <xs:sequence>

      <xs:element ref="cxxUnionNestedClass"/>

    </xs:sequence>

  </xs:group>

  <xs:group name="cxxUnionNestedStruct">

    <xs:sequence>

      <xs:element ref="cxxUnionNestedStruct"/>

    </xs:sequence>

  </xs:group>

  <xs:group name="cxxUnionNestedUnion">

    <xs:sequence>

      <xs:element ref="cxxUnionNestedUnion"/>

    </xs:sequence>

  </xs:group>

  <!-- Location elements -->

  <xs:group name="cxxUnionAPIItemLocation">

    <xs:sequence>

      <xs:element ref="cxxUnionAPIItemLocation"/>

    </xs:sequence>

  </xs:group>

  <xs:group name="cxxUnionDeclarationFile">

    <xs:sequence>

      <xs:element ref="cxxUnionDeclarationFile"/>

    </xs:sequence>

  </xs:group>

  <xs:group name="cxxUnionDeclarationFileLine">

    <xs:sequence>

      <xs:element ref="cxxUnionDeclarationFileLine"/>

    </xs:sequence>

  </xs:group>

  <xs:group name="cxxUnionDefinitionFile">

    <xs:sequence>

      <xs:element ref="cxxUnionDefinitionFile"/>

    </xs:sequence>

  </xs:group>

  <xs:group name="cxxUnionDefinitionFileLineStart">

    <xs:sequence>

      <xs:element ref="cxxUnionDefinitionFileLineStart"/>

    </xs:sequence>

  </xs:group>

  <xs:group name="cxxUnionDefinitionFileLineEnd">

    <xs:sequence>

      <xs:element ref="cxxUnionDefinitionFileLineEnd"/>

    </xs:sequence>

  </xs:group>

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

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

    <xs:choice>

      <xs:element ref="cxxUnionNested"/>

      <xs:element ref="cxxFunction"/>

      <xs:element ref="cxxDefine"/>

      <xs:element ref="cxxVariable"/>

      <xs:element ref="cxxEnumeration"/>

      <xs:element ref="cxxTypedef"/>

    </xs:choice>

  </xs:group>

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

    <xs:sequence>

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

    </xs:sequence>

  </xs:group>

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

    <xs:sequence>

      <xs:element ref="no-topic-nesting"/>

    </xs:sequence>

  </xs:group>

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

    <xs:sequence>

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

    </xs:sequence>

  </xs:group>

  <!-- ============ Topic specializations ============ -->

  <xs:element name="cxxUnion">

    <xs:complexType>

      <xs:sequence>

        <xs:group ref="apiName"/>

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

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

        <xs:group ref="cxxUnionDetail"/>

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

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

      </xs:sequence>

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

      <xs:attribute name="conref"/>

      <xs:attribute name="outputclass"/>

      <xs:attribute ref="xml:lang"/>

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

      <xs:attribute name="domains" default="(topic ui-d) (topic hi-d) (topic pr-d) (topic sw-d)                            (topic ut-d) (topic pr-d api-d) (topic pr-d api-d cxxapi-d)"/>

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

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

    </xs:complexType>

  </xs:element>

  <!-- union has no inheritance    (%cxxUnionInherits;)* -->

  <xs:element name="cxxUnionDetail">

    <xs:complexType>

      <xs:sequence>

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

        <xs:group minOccurs="0" 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="id-atts"/>

      <xs:attribute name="translate">

        <xs:simpleType>

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

            <xs:enumeration value="yes"/>

            <xs:enumeration value="no"/>

          </xs:restriction>

        </xs:simpleType>

      </xs:attribute>

      <xs:attribute ref="xml:lang"/>

      <xs:attribute name="outputclass"/>

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

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

    </xs:complexType>

  </xs:element>

  <xs:element name="cxxUnionDefinition">

    <xs:complexType>

      <xs:sequence>

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

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

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

        <xs:group ref="cxxUnionAPIItemLocation"/>

      </xs:sequence>

      <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 cxxUnion/cxxUnionDefinition "/>

    </xs:complexType>

  </xs:element>

  <!-- union has no inheritance       (%cxxUnionDerivations;)?, -->

  <xs:element name="cxxUnionAccessSpecifier">

    <xs:complexType>

      <xs:attribute name="name" default="access">

        <xs:simpleType>

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

            <xs:enumeration value="access"/>

          </xs:restriction>

        </xs:simpleType>

      </xs:attribute>

      <xs:attribute name="value" default="public">

        <xs:simpleType>

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

            <xs:enumeration value="public"/>

            <xs:enumeration value="protected"/>

            <xs:enumeration value="private"/>

          </xs:restriction>

        </xs:simpleType>

      </xs:attribute>

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

      <xs:attribute name="outputclass"/>

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

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

    </xs:complexType>

  </xs:element>

  <xs:element name="cxxUnionAbstract">

    <xs:complexType>

      <xs:attribute name="name" default="abstract">

        <xs:simpleType>

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

            <xs:enumeration value="abstract"/>

          </xs:restriction>

        </xs:simpleType>

      </xs:attribute>

      <xs:attribute name="value" default="abstract">

        <xs:simpleType>

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

            <xs:enumeration value="abstract"/>

          </xs:restriction>

        </xs:simpleType>

      </xs:attribute>

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

      <xs:attribute name="outputclass"/>

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

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

    </xs:complexType>

  </xs:element>

  <!--  Templates -->

  <xs:element name="cxxUnionTemplateParameters">

    <xs:complexType>

      <xs:group maxOccurs="unbounded" ref="cxxUnionTemplateParameter"/>

      <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/apiDefItem cxxUnion/cxxUnionTemplateParameters "/>

    </xs:complexType>

  </xs:element>

  <xs:element name="cxxUnionTemplateParameter">

    <xs:complexType>

      <xs:sequence>

        <xs:group ref="cxxUnionTemplateParameterType"/>

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

      </xs:sequence>

      <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/apiDefItem cxxUnion/cxxUnionTemplateParameter "/>

    </xs:complexType>

  </xs:element>

  <xs:element name="cxxUnionTemplateParameterType">

    <xs:complexType mixed="true">

      <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/apiDefItem cxxUnion/cxxUnionTemplateParameterType "/>

    </xs:complexType>

  </xs:element>

  <!-- Location -->

  <xs:element name="cxxUnionAPIItemLocation">

    <xs:complexType>

      <xs:sequence>

        <xs:group ref="cxxUnionDeclarationFile"/>

        <xs:group ref="cxxUnionDeclarationFileLine"/>

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

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

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

      </xs:sequence>

      <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/apiDefItem cxxUnion/cxxUnionAPIItemLocation "/>

    </xs:complexType>

  </xs:element>

  <xs:element name="cxxUnionDeclarationFile">

    <xs:complexType>

      <xs:attribute name="name" default="filePath">

        <xs:simpleType>

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

            <xs:enumeration value="filePath"/>

          </xs:restriction>

        </xs:simpleType>

      </xs:attribute>

      <xs:attribute name="value" use="required"/>

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

      <xs:attribute name="outputclass"/>

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

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

    </xs:complexType>

  </xs:element>

  <xs:element name="cxxUnionDeclarationFileLine">

    <xs:complexType>

      <xs:attribute name="name" default="lineNumber">

        <xs:simpleType>

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

            <xs:enumeration value="lineNumber"/>

          </xs:restriction>

        </xs:simpleType>

      </xs:attribute>

      <xs:attribute name="value" use="required"/>

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

      <xs:attribute name="outputclass"/>

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

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

    </xs:complexType>

  </xs:element>

  <xs:element name="cxxUnionDefinitionFile">

    <xs:complexType>

      <xs:attribute name="name" default="filePath">

        <xs:simpleType>

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

            <xs:enumeration value="filePath"/>

          </xs:restriction>

        </xs:simpleType>

      </xs:attribute>

      <xs:attribute name="value" use="required"/>

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

      <xs:attribute name="outputclass"/>

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

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

    </xs:complexType>

  </xs:element>

  <xs:element name="cxxUnionDefinitionFileLineStart">

    <xs:complexType>

      <xs:attribute name="name" default="lineNumber">

        <xs:simpleType>

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

            <xs:enumeration value="lineNumber"/>

          </xs:restriction>

        </xs:simpleType>

      </xs:attribute>

      <xs:attribute name="value" use="required"/>

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

      <xs:attribute name="outputclass"/>

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

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

    </xs:complexType>

  </xs:element>

  <xs:element name="cxxUnionDefinitionFileLineEnd">

    <xs:complexType>

      <xs:attribute name="name" default="lineNumber">

        <xs:simpleType>

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

            <xs:enumeration value="lineNumber"/>

          </xs:restriction>

        </xs:simpleType>

      </xs:attribute>

      <xs:attribute name="value" use="required"/>

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

      <xs:attribute name="outputclass"/>

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

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

    </xs:complexType>

  </xs:element>

  <!-- Nested members -->

  <xs:element name="cxxUnionNested">

    <xs:complexType>

      <xs:sequence>

        <xs:group ref="cxxUnionNestedDetail"/>

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

      </xs:sequence>

      <xs:attribute name="conref"/>

      <xs:attribute name="outputclass"/>

      <xs:attribute ref="xml:lang"/>

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

      <xs:attribute name="domains" default="(topic ui-d) (topic hi-d) (topic pr-d) (topic sw-d)                            (topic ut-d) (topic pr-d api-d) (topic pr-d api-d cxxapi-d)"/>

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

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

    </xs:complexType>

  </xs:element>

  <xs:element name="cxxUnionNestedDetail">

    <xs:complexType>

      <xs:choice maxOccurs="unbounded">

        <xs:group ref="cxxUnionNestedClass"/>

        <xs:group ref="cxxUnionNestedStruct"/>

        <xs:group ref="cxxUnionNestedUnion"/>

      </xs:choice>

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

      <xs:attribute name="translate">

        <xs:simpleType>

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

            <xs:enumeration value="yes"/>

            <xs:enumeration value="no"/>

          </xs:restriction>

        </xs:simpleType>

      </xs:attribute>

      <xs:attribute ref="xml:lang"/>

      <xs:attribute name="outputclass"/>

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

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

    </xs:complexType>

  </xs:element>

  <xs:element name="cxxUnionNestedClass">

    <xs:complexType mixed="true">

      <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: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/apiRelation cxxUnion/cxxUnionNestedClass "/>

    </xs:complexType>

  </xs:element>

  <xs:element name="cxxUnionNestedStruct">

    <xs:complexType mixed="true">

      <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: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/apiRelation cxxUnion/cxxUnionNestedStruct "/>

    </xs:complexType>

  </xs:element>

  <xs:element name="cxxUnionNestedUnion">

    <xs:complexType mixed="true">

      <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: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/apiRelation cxxUnion/cxxUnionNestedUnion "/>

    </xs:complexType>

  </xs:element>

</xs:schema>

<!-- ============ Class attributes for type ancestry ============ -->

<!-- Templates -->

<!-- Nested members -->

<!-- Location elements -->