<?xml version="1.0"?>
<xs:schema
	xmlns:xs="http://www.w3.org/2001/XMLSchema"
	targetNamespace="http://ns.adobe.com/air/extension/13.0"
	xmlns="http://ns.adobe.com/air/extension/13.0"
	elementFormDefault="qualified"
>
  <xs:element name="extension">
    <xs:complexType>
      <xs:all>
        <xs:element name="id">
          <xs:simpleType>
            <xs:restriction base="xs:string">
              <xs:pattern value="[A-Za-z0-9\-\.]{1,212}"/>
            </xs:restriction>
          </xs:simpleType>
        </xs:element>

        <xs:element name="name" type="LocalizableType" minOccurs="0"/>
        <xs:element name="description" type="LocalizableType" minOccurs="0"/>
        <xs:element name="copyright" type="xs:string" minOccurs="0"/>
        <xs:element name="versionNumber">
          <xs:simpleType>
            <xs:restriction base="xs:string">
              <!-- has to be of format <0-999>.<0-999>.<0-999> -->
              <xs:pattern value='[0-9]{1,3}(\.[0-9]{1,3}){0,2}' />
            </xs:restriction>
          </xs:simpleType>
        </xs:element>

        <xs:element name="platforms">
          <xs:complexType>
            <xs:all>
              <xs:element name="platform" maxOccurs="unbounded">
                <xs:complexType>
                  <xs:choice>
                    <xs:element name="applicationDeployment">
                      <xs:complexType>
                        <xs:all>
                          <xs:element name="nativeLibrary" type="name" minOccurs="0"/>
                          <xs:element name="initializer" type="name" minOccurs="0"/>
                          <!-- nativeLibrary and initializer should both be present or both omitted -->
                          <xs:element name="finalizer" type="name" minOccurs="0"/>
                          <!-- finalizer can optionally be included if there is a nativeLibrary, otherwise it should be omitted -->
                        </xs:all>
                      </xs:complexType>
                    </xs:element>
                    <xs:element name="deviceDeployment"/>
                  </xs:choice>
                  <xs:attribute name="name" type="name"/>
                </xs:complexType>
              </xs:element>
            </xs:all>
          </xs:complexType>
        </xs:element>
        
      </xs:all>
    </xs:complexType>
  </xs:element>

  <xs:simpleType name="name">
    <xs:restriction base="xs:string">
      <xs:pattern value="[A-Za-z0-9\-\.]{1,255}"/>
    </xs:restriction>
  </xs:simpleType>

  <xs:complexType name="LocalizableType" mixed="true">
    <xs:sequence>
      <xs:element name="text" minOccurs="0" maxOccurs="unbounded">
        <xs:complexType>
          <xs:simpleContent>
            <xs:extension base="xs:string">
              <xs:attribute name="lang" type="xs:language" use="required"/>
            </xs:extension>
          </xs:simpleContent>
        </xs:complexType>
      </xs:element>
    </xs:sequence>
  </xs:complexType>
</xs:schema>
