<?xml version="1.0"?>

<!--

file      : examples/cxx/tree/custom/taxonomy/people.xsd
author    : Boris Kolpackov <boris@codesynthesis.com>
copyright : not copyrighted - public domain

-->

<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
            xmlns:ppl="http://www.codesynthesis.com/people"
            targetNamespace="http://www.codesynthesis.com/people">

  <xsd:complexType name="person">
    <xsd:sequence>
      <xsd:element name="name" type="xsd:string"/>
    </xsd:sequence>
  </xsd:complexType>

  <xsd:complexType name="superman">
    <xsd:complexContent>
      <xsd:extension base="ppl:person">
        <xsd:attribute name="can-fly" type="xsd:boolean" use="required"/>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>

  <xsd:complexType name="batman">
    <xsd:complexContent>
      <xsd:extension base="ppl:superman">
        <xsd:attribute name="wing-span" type="xsd:unsignedInt" use="required"/>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>

  <xsd:complexType name="catalog">
    <xsd:sequence>
      <xsd:element name="person" type="ppl:person" maxOccurs="unbounded"/>
    </xsd:sequence>
  </xsd:complexType>

  <xsd:element name="catalog" type="ppl:catalog"/>

</xsd:schema>
