<!-- Unique ID checks -->

<!-- Link checks -->

<!-- Metadata checks -->

<pattern id="opf.refines.relative">

<rule context="*[@refines and starts-with(normalize-space(@refines),'#')][not(ancestor::opf:collection)]">

<let name="refines-target-id" value="substring(normalize-space(@refines), 2)"/>

<assert test="//*[normalize-space(@id)=$refines-target-id]">@refines missing target id: "<value-of

select="$refines-target-id"/>"</assert>

</rule>

</pattern>

<pattern id="opf.dc.subject.authority-term">

<rule context="opf:metadata/dc:subject">

<let name="id" value="normalize-space(./@id)"/>

<let name="authority" value="//opf:meta[normalize-space(@property)='authority'][substring(normalize-space(@refines), 2) = $id]"/>

<let name="term" value="//opf:meta[normalize-space(@property)='term'][substring(normalize-space(@refines), 2) = $id]"/>

<report test="(count($authority) = 1 and count($term) = 0)">A term property must be associated with a dc:subject when an authority is specified</report>

<report test="(count($authority) = 0 and count($term) = 1)">An authority property must be associated with a dc:subject when a term is specified</report>

<report test="(count($authority) &gt; 1 or count($term) &gt; 1)">Only one pair of authority and term properties can be associated with a dc:subject</report>

</rule>

</pattern>

<pattern id="opf.meta.authority">

<rule context="opf:meta[normalize-space(@property)='authority']">

<assert test="exists(../dc:subject[concat('#',normalize-space(@id)) = normalize-space(current()/@refines)])"

>Property "authority" must refine a "subject" property.</assert>

<!-- Cardinality is checked in opf.dc.subject.authority-term -->

</rule>

</pattern>

<report test="exists(preceding-sibling::opf:meta[normalize-space(@property) = normalize-space(current()/@property)][normalize-space(@refines) = normalize-space(current()/@refines)])"

>Property "collection-type" cannot be declared more than once to refine the same "belongs-to-collection" expression.</report>

<pattern id="opf.meta.display-seq">

<rule context="opf:meta[normalize-space(@property)='display-seq']">

<report test="exists(preceding-sibling::opf:meta[normalize-space(@property) = normalize-space(current()/@property)][normalize-space(@refines) = normalize-space(current()/@refines)])"

>Property "display-seq" cannot be declared more than once to refine the same expression.</report>

</rule>

</pattern>

<pattern id="opf.meta.file-as">

<rule context="opf:meta[normalize-space(@property)='file-as']">

<report test="exists(preceding-sibling::opf:meta[normalize-space(@property) = normalize-space(current()/@property)][normalize-space(@refines) = normalize-space(current()/@refines)])"

>Property "file-as" cannot be declared more than once to refine the same expression.</report>

</rule>

</pattern>

<pattern id="opf.meta.group-position">

<rule context="opf:meta[normalize-space(@property)='group-position']">

<report test="exists(preceding-sibling::opf:meta[normalize-space(@property) = normalize-space(current()/@property)][normalize-space(@refines) = normalize-space(current()/@refines)])"

>Property "group-position" cannot be declared more than once to refine the same expression.</report>

</rule>

</pattern>

<pattern id="opf.meta.identifier-type">

<rule context="opf:meta[normalize-space(@property)='identifier-type']">

<assert test="exists(../(dc:identifier|dc:source)[concat('#',normalize-space(@id)) = normalize-space(current()/@refines)])"

>Property "identifier-type" must refine an "identifier" or "source" property.</assert>

<report test="exists(preceding-sibling::opf:meta[normalize-space(@property) = normalize-space(current()/@property)][normalize-space(@refines) = normalize-space(current()/@refines)])"

>Property "identifier-type" cannot be declared more than once to refine the same expression.</report>

</rule>

</pattern>

<pattern id="opf.meta.role">

<rule context="opf:meta[normalize-space(@property)='role']">

<assert test="exists(../(dc:creator|dc:contributor)[concat('#',normalize-space(@id)) = normalize-space(current()/@refines)])"

>Property "role" must refine a "creator" or "contributor" property.</assert>

<report test="exists(preceding-sibling::opf:meta[normalize-space(@property) = normalize-space(current()/@property)][normalize-space(@refines) = normalize-space(current()/@refines)])"

>Property "role" cannot be declared more than once to refine a single "creator" or "contributor" property.</report>

</rule>

</pattern>

<pattern id="opf.meta.source-of">

<rule context="opf:meta[normalize-space(@property)='source-of']">

<assert test="normalize-space(.) eq 'pagination'">The "source-of" property must have the

value "pagination"</assert>

<assert

test="exists(@refines) and exists(../dc:source[normalize-space(@id)=substring(normalize-space(current()/@refines),2)])"

>The "source-of" property must refine a "source" property.</assert>

<report test="exists(preceding-sibling::opf:meta[normalize-space(@property) = normalize-space(current()/@property)][normalize-space(@refines) = normalize-space(current()/@refines)])"

>Property "source-of" cannot be declared more than once to refine the same "source" expression.</report>

</rule>

</pattern>

<pattern id="opf.meta.term">

<rule context="opf:meta[normalize-space(@property)='term']">

<assert test="exists(../dc:subject[concat('#',normalize-space(@id)) = normalize-space(current()/@refines)])"

>Property "term" must refine a "subject" property.</assert>

<!-- Cardinality is checked in opf.dc.subject.authority-term -->

</rule>

</pattern>

<pattern id="opf.meta.title-type">

<rule context="opf:meta[normalize-space(@property)='title-type']">

<assert test="exists(../dc:title[concat('#',normalize-space(@id)) = normalize-space(current()/@refines)])"

>Property "title-type" must refine a "title" property.</assert>

<report test="exists(preceding-sibling::opf:meta[normalize-space(@property) = normalize-space(current()/@property)][normalize-space(@refines) = normalize-space(current()/@refines)])"

>Property "title-type" cannot be declared more than once to refine the same "title" expression.</report>

</rule>

</pattern>

<!-- Item checks -->

<!-- Rendition properties checks -->

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

<package xmlns="https://www.idpf.org/2007/opf" version="3.0" unique-identifier="uid"

xmlns:dc="https://purl.org/dc/elements/1.1/">

<metadata>

<dc:title id="title">Title</dc:title>

<dc:language>en</dc:language>

<dc:identifier id="uid">NOID</dc:identifier>

<meta property="dcterms:modified">2019-01-01T12:00:00Z</meta>

<meta refines="#title" property="authority">something</meta>

</metadata>

<manifest>

<item id="t001" href="contents.xhtml" properties="nav" media-type="application/xhtml+xml"/>

</manifest>

<spine>

<itemref idref="t001"/>

</spine>

</package>

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

<package xmlns="https://www.idpf.org/2007/opf" version="3.0" unique-identifier="uid"

xmlns:dc="https://purl.org/dc/elements/1.1/">

<metadata>

<dc:title>Title</dc:title>

<dc:language>en</dc:language>

<dc:identifier id="uid">NOID</dc:identifier>

<meta property="dcterms:modified">2019-01-01T12:00:00Z</meta>

<!-- Collection metadata -->

<meta property="belongs-to-collection" id="c01">A Collection</meta>

<meta property="belongs-to-collection" id="c02" refines="#c01">A Super Collection</meta>

<meta refines="#c01" property="collection-type">set</meta>

<meta refines="#c01" property="collection-type">set</meta>

<meta refines="#c02" property="collection-type">set</meta>

</metadata>

<manifest>

<item id="t001" href="contents.xhtml" properties="nav" media-type="application/xhtml+xml"/>

</manifest>

<spine>

<itemref idref="t001"/>

</spine>

</package>

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

<package xmlns="https://www.idpf.org/2007/opf" version="3.0" unique-identifier="uid"

xmlns:dc="https://purl.org/dc/elements/1.1/">

<metadata>

<dc:title>Title</dc:title>

<dc:language>en</dc:language>

<dc:identifier id="uid">NOID</dc:identifier>

<meta property="dcterms:modified">2019-01-01T12:00:00Z</meta>

<dc:creator id="creator">Me</dc:creator>

<meta refines="#creator" property="display-seq">1</meta>

<meta refines="#creator" property="display-seq">2</meta>

</metadata>

<manifest>

<item id="t001" href="contents.xhtml" properties="nav" media-type="application/xhtml+xml"/>

</manifest>

<spine>

<itemref idref="t001"/>

</spine>

</package>

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

<package xmlns="https://www.idpf.org/2007/opf" version="3.0" unique-identifier="uid"

xmlns:dc="https://purl.org/dc/elements/1.1/">

<metadata>

<dc:title>Title</dc:title>

<dc:language>en</dc:language>

<dc:identifier id="uid">NOID</dc:identifier>

<meta property="dcterms:modified">2019-01-01T12:00:00Z</meta>

<dc:creator id="creator">Me</dc:creator>

<meta refines="#creator" property="file-as">Me</meta>

<meta refines="#creator" property="file-as">Also Me</meta>

</metadata>

<manifest>

<item id="t001" href="contents.xhtml" properties="nav" media-type="application/xhtml+xml"/>

</manifest>

<spine>

<itemref idref="t001"/>

</spine>

</package>

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

<package xmlns="https://www.idpf.org/2007/opf" version="3.0" unique-identifier="uid"

xmlns:dc="https://purl.org/dc/elements/1.1/">

<metadata>

<dc:title>Title</dc:title>

<dc:language>en</dc:language>

<dc:identifier id="uid">NOID</dc:identifier>

<meta property="dcterms:modified">2019-01-01T12:00:00Z</meta>

<dc:creator id="creator">Me</dc:creator>

<meta refines="#creator" property="file-as">Me</meta>

</metadata>

<manifest>

<item id="t001" href="contents.xhtml" properties="nav" media-type="application/xhtml+xml"/>

</manifest>

<spine>

<itemref idref="t001"/>

</spine>

</package>

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

<package xmlns="https://www.idpf.org/2007/opf" version="3.0" unique-identifier="uid"

xmlns:dc="https://purl.org/dc/elements/1.1/">

<metadata>

<dc:title>Title</dc:title>

<dc:language>en</dc:language>

<dc:identifier id="uid">NOID</dc:identifier>

<meta property="dcterms:modified">2019-01-01T12:00:00Z</meta>

<meta property="belongs-to-collection" id="c01">collection</meta>

<meta refines="#c01" property="group-position">1</meta>

<meta refines="#c01" property="group-position">2</meta>

</metadata>

<manifest>

<item id="t001" href="contents.xhtml" properties="nav" media-type="application/xhtml+xml"/>

</manifest>

<spine>

<itemref idref="t001"/>

</spine>

</package>