the-matrix/finite-state-machine

<?xml version="1.0" encoding="UTF-8"?>
<xs:schema attributeFormDefault="unqualified" elementFormDefault="qualified" xmlns:xs="http://www.w3.org/2001/XMLSchema">
  <xs:element name="graph" type="graphType"/>
  <xs:complexType name="stateType">
    <xs:simpleContent>
      <xs:extension base="xs:string">
        <xs:attribute type="xs:string" name="name" use="required"/>
        <xs:attribute type="xs:string" name="description" use="optional"/>
      </xs:extension>
    </xs:simpleContent>
  </xs:complexType>
  <xs:complexType name="statesType">
    <xs:sequence>
      <xs:element type="stateType" name="state" maxOccurs="unbounded" minOccurs="2"/>
    </xs:sequence>
  </xs:complexType>
  <xs:complexType name="transitionType">
    <xs:simpleContent>
      <xs:extension base="xs:string">
        <xs:attribute type="xs:string" name="name" use="required"/>
        <xs:attribute type="xs:string" name="description" use="optional"/>
        <xs:attribute type="xs:string" name="from" use="required"/>
        <xs:attribute type="xs:string" name="to" use="required"/>
      </xs:extension>
    </xs:simpleContent>
  </xs:complexType>
  <xs:complexType name="transitionsType">
    <xs:sequence>
      <xs:element type="transitionType" name="transition" maxOccurs="unbounded" minOccurs="1"/>
    </xs:sequence>
  </xs:complexType>
  <xs:complexType name="graphType">
    <xs:sequence>
      <xs:element type="statesType" name="states"/>
      <xs:element type="transitionsType" name="transitions"/>
    </xs:sequence>
    <xs:attribute type="xs:string" name="name" use="required"/>
    <xs:attribute type="xs:string" name="description" use="optional"/>
  </xs:complexType>
</xs:schema>