NetShrVarConfig.xsd

XML schema file for netvarconfig.xml

<?xml version="1.0" encoding="UTF-8"?>
<!--
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        @file NetShrVarConfig.xsd XML schema for NetShrVar configuration files such as @link netvarconfig.xml @endlink
        @author Freddie Akeroyd, STFC ISIS Facility, UK

-->
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
        targetNamespace="http://epics.isis.rl.ac.uk/NetShrVarConfig/1.0"
        xmlns="http://epics.isis.rl.ac.uk/NetShrVarConfig/1.0"
        elementFormDefault="qualified">
  <xs:element name="netvar">
    <xs:complexType>
      <xs:sequence>
        <xs:element ref="section"/>
      </xs:sequence>
    </xs:complexType>
  </xs:element>

  <!-- the section name will be mapped (via NetShrVarConfigure()) to an asyn driver port name that can then be specified in an EPICS record -->
  <xs:element name="section">
    <xs:complexType>
      <xs:sequence>
        <xs:element maxOccurs="unbounded" ref="param"/>
      </xs:sequence>
      <xs:attribute name="name" use="required" type="xs:NCName"/>
    </xs:complexType>
  </xs:element>

  <xs:simpleType name="allowedTypes">
    <xs:restriction base="xs:string">
      <xs:enumeration value="int32" />
      <xs:enumeration value="float64" />
      <xs:enumeration value="string" />
      <xs:enumeration value="boolean" />
      <xs:enumeration value="float32array" />
      <xs:enumeration value="float64array" />
      <xs:enumeration value="int8array" />
      <xs:enumeration value="int16array" />
      <xs:enumeration value="int32array" />
    </xs:restriction>
  </xs:simpleType>

  <!--
              <param> defines as asyn driver parameter that can be specified in an epics record to access data in the network shared variable.
  -->
  <xs:element name="param">
    <xs:complexType>
      <xs:attribute name="name" use="required" type="xs:NCName"/>
      <xs:attribute name="type" use="required" type="allowedTypes"/>
      <xs:attribute name="access" use="required" type="xs:string"/>
      <xs:attribute name="netvar" use="required" type="xs:string"/>
      <xs:attribute name="field" use="optional" type="xs:nonNegativeInteger"/><!--for struct type network variables, indicates the structure field to access-->
      <xs:attribute name="fval" use="optional" type="xs:string"/><!-- for boolean, indictes the string representation of false-->
      <xs:attribute name="tval" use="optional" type="xs:string"/><!-- for boolean, indictes the string representation of true-->
    </xs:complexType>
  </xs:element>
  
</xs:schema>