SITools2

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

<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" targetNamespace="http://www.example.org/config" xmlns:cfg="http://www.example.org/config" elementFormDefault="qualified">

<!-- Simple word type -->

<xs:simpleType name="word">

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

    <xs:pattern value="[a-zA-Z]*"/>

  </xs:restriction>

</xs:simpleType>

<!-- Parameters are simple column names without any space. -->

<xs:complexType name="Parameters">

	<xs:sequence>

		<xs:element name="name" type="cfg:word" minOccurs="0" maxOccurs="unbounded"/>

	</xs:sequence>

</xs:complexType>

<!-- URI to a .class file  -->

<xs:simpleType name="Class">

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

		<xs:pattern value="(http|file)://.*\.class"/>

	</xs:restriction>

</xs:simpleType>

<!-- single converter type -->

<xs:complexType name="Converter">

	<xs:sequence>

		<xs:element name="name" type="xs:string"/>

		<xs:element name="description" type="xs:string"/>

		<xs:element name="param_in" type="cfg:Parameters"/>

		<xs:element name="param_out" type="cfg:Parameters"/>

		<xs:element name="class" type="cfg:Class"/>

		<xs:element name="classname" type="xs:string"/>

	</xs:sequence>

</xs:complexType>

<!-- set of converters -->

<xs:complexType name="Converters">

	<xs:sequence>

		<xs:element name="cv" type="cfg:Converter"/>

	</xs:sequence>

</xs:complexType>

<xs:element name="convs" type="cfg:Converters"/>

</xs:schema>