hdf5_xml_layout_schema.xsd

<?xml version="1.0" encoding="UTF-8"?>
<xs:schema attributeFormDefault="qualified" elementFormDefault="qualified" xmlns:xs="http://www.w3.org/2001/XMLSchema">

  <xs:simpleType name="dsetSourceEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="detector" />
      <xs:enumeration value="constant" />
      <xs:enumeration value="ndattribute" />
    </xs:restriction>
  </xs:simpleType>

  <xs:simpleType name="attrSourceTypeEnum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="int" />
      <xs:enumeration value="float" />
      <xs:enumeration value="string" />
    </xs:restriction>
  </xs:simpleType>

  <xs:complexType name="attributeType">
    <xs:attribute name="name" type="xs:string" use="required" />
    <xs:attribute name="source" use="required">
      <xs:simpleType>
        <xs:restriction base="xs:string">
          <xs:enumeration value="constant" />
          <xs:enumeration value="ndattribute" />
        </xs:restriction>
      </xs:simpleType>
    </xs:attribute>
    <xs:attribute name="when" use="optional">
      <xs:simpleType>
        <xs:restriction base="xs:string">
          <xs:enumeration value="OnFileOpen" />
          <xs:enumeration value="OnFileClose" />
          <xs:enumeration value="OnFileWrite" />
        </xs:restriction>
      </xs:simpleType>
    </xs:attribute>
    <xs:attribute name="value" type="xs:string" use="optional" default="" />
    <xs:attribute name="type" type="attrSourceTypeEnum" use="optional" default="string" />
    <xs:attribute name="ndattribute" type="xs:string" use="optional" default="" />
  </xs:complexType>

  <!-- The dataset element can contain attributes -->
  <xs:complexType name="datasetType">
    <xs:sequence>
      <xs:element name="attribute" type="attributeType" maxOccurs="unbounded" minOccurs="0" />
    </xs:sequence>
    <xs:attribute name="name" type="xs:string" use="required" />
    <xs:attribute name="source" type="dsetSourceEnum" use="required" />
    <xs:attribute name="value" type="xs:string" use="optional" default="" />
    <xs:attribute name="ndattribute" type="xs:string" use="optional" default="" />
    <xs:attribute name="det_default" type="xs:boolean" use="optional" default="false" />
  </xs:complexType>

  <!-- The group element can contain other elements: datasets, attributes and other groups -->
  <xs:complexType name="groupType">
    <xs:choice minOccurs="0" maxOccurs="unbounded">
      <xs:element name="dataset" type="datasetType" />
      <xs:element name="attribute" type="attributeType" />
      <xs:element name="group" type="groupType" />
    </xs:choice>
    <xs:attribute name="name" type="xs:string" use="required" />
    <xs:attribute name="ndattr_default" type="xs:boolean" use="optional" default="false" />
  </xs:complexType>

  <!--The global element is so far only used to register an NDAttribute which will point
      to the destination of the detector data  -->
  <xs:complexType name="globalType">
    <xs:attribute name="name" use="required">
      <xs:simpleType>
        <xs:restriction base="xs:string">
          <xs:enumeration value="detector_data_destination" />
        </xs:restriction>
      </xs:simpleType>
    </xs:attribute>
    <xs:attribute name="ndattribute" type="xs:string" use="required" />
  </xs:complexType>

  <!-- The actual definition of the elements -->
  <xs:element name="xml">
    <xs:complexType>
      <xs:choice minOccurs="0" maxOccurs="unbounded">
        <xs:element name="global" type="globalType" />
        <xs:element name="group" type="groupType" />
      </xs:choice>
    </xs:complexType>
  </xs:element>

</xs:schema>