<?xml version="1.0"?>

<!--
dlna-profiles
`- zero or more dlna-profile
`- zero or more restrictions

dlna-profile (name and type mime)
`- zero or one parent|restriction type="container"
`- one or more parent|restriction type!="container"

parent (name)

restrictions
`- zero or more restriction

restriction (type=video|audio|container)
`- zero-or-more fields
`- id if in restrictions

field (name and type=string|int|fourcc|fraction|float|boolean
`- value of appropriate type
-->

<grammar xmlns="http://relaxng.org/ns/structure/1.0">
        <define name="include">
                <element name="include">
                        <attribute name="ref">
                                <text />
                        </attribute>
                </element>
        </define>

        <define name="field">
                <element name="field">
                        <attribute name="name">
                                <text />
                        </attribute>

                        <attribute name="type">
                                <choice>
                                        <value>string</value>
                                        <value>int</value>
                                        <value>fraction</value>
                                        <value>float</value>
                                        <value>boolean</value>
                                        <value>fourcc</value>
                                </choice>
                        </attribute>
                        <optional>
                                <attribute name="used">
                                        <choice>
                                                <value>in-strict</value>
                                                <value>in-relaxed</value>
                                        </choice>
                                </attribute>
                        </optional>

                        <choice>
                                <oneOrMore>
                                        <element name="value">
                                                <text />
                                        </element>
                                </oneOrMore>
                                <element name="range">
                                        <attribute name="min">
                                                <text />
                                        </attribute>
                                        <attribute name="max">
                                                <text />
                                        </attribute>
                                </element>
                        </choice>
                </element>
        </define> <!-- field -->

        <define name="parent">
                <element name="parent">
                        <attribute name="name">
                                <text />
                        </attribute>
                        <optional>
                                <attribute name="used">
                                        <choice>
                                                <value>in-strict</value>
                                                <value>in-relaxed</value>
                                        </choice>
                                </attribute>
                        </optional>
                </element>
        </define> <!-- parent -->

        <define name="restriction">
                <element name="restriction">
                        <attribute name="type">
                                <choice>
                                        <value>container</value>
                                        <value>image</value>
                                        <value>audio</value>
                                        <value>video</value>
                                        <value>text</value>
                                </choice>
                        </attribute>
                        <optional>
                                <attribute name="id">
                                        <text />
                                </attribute>
                        </optional>
                        <optional>
                                <attribute name="used">
                                        <choice>
                                                <value>in-strict</value>
                                                <value>in-relaxed</value>
                                        </choice>
                                </attribute>
                        </optional>

                        <interleave>
                                <zeroOrMore>
                                        <ref name="field" />
                                </zeroOrMore>
                                <zeroOrMore>
                                        <ref name="parent" />
                                </zeroOrMore>
                        </interleave>
                </element>
        </define> <!-- restriction -->

        <define name="restrictions">
                <element name="restrictions">
                        <zeroOrMore>
                                <ref name="restriction" />
                        </zeroOrMore>
                </element>
        </define> <!-- restrictions -->

        <define name="dlna-profile">
                <element name="dlna-profile">
                        <choice>
                                <group>
                                        <attribute name="name">
                                                <text />
                                        </attribute>
                                        <attribute name="mime">
                                                <text />
                                        </attribute>
                                        <optional>
                                                <attribute name="id">
                                                        <text />
                                                </attribute>
                                        </optional>
                                </group>
                                <attribute name="id">
                                        <text />
                                </attribute>
                        </choice>
                        <optional>
				<attribute name="base-profile">
					<text />
				</attribute>
			</optional>
                        <optional>
				<attribute name="extended">
                                        <choice>
                                                <value>true</value>
                                                <value>false</value>
                                        </choice>
				</attribute>
			</optional>


                        <interleave>
                                <zeroOrMore>
                                        <ref name="parent" />
                                </zeroOrMore>
                                <zeroOrMore>
                                        <ref name="restriction" />
                                </zeroOrMore>
                        </interleave>
                </element>
        </define> <!-- dlna-profile -->

        <start>
                <element name="dlna-profiles">
                        <interleave>
                                <zeroOrMore>
                                        <ref name="include" />
                                </zeroOrMore>
                                <zeroOrMore>
                                        <ref name="restrictions" />
                                </zeroOrMore>
                                <zeroOrMore>
                                        <ref name="dlna-profile" />
                                </zeroOrMore>
                        </interleave>
                </element>
        </start>
</grammar>