opf20.rnc

# OPF2.0 schema in relaxng compact syntax
#   generated by RngToRncText.xsl (RngToRnc 1.4) http://www.pantor.com/download.html
#

default namespace opf = "http://www.idpf.org/2007/opf"
namespace dc = "http://purl.org/dc/elements/1.1/"

start = OPF20.package-element

OPF20.optional-id-attribute       = attribute id { xsd:ID }?
OPF20.optional-xml-lang-attribute = attribute lang { text }?
OPF20.optional-file-as-attribute  = attribute file-as { text }?
OPF20.optional-role-attribute     = attribute role { text }?
OPF20.optional-scheme-attribute   = attribute scheme { text }?
OPF20.optional-event-attribute    = attribute event { text }?
OPF20.optional-xsi-type           = attribute type { text }?

OPF20.package-element =
   element package
   {
      attribute version { "2.0" },
      attribute unique-identifier { xsd:IDREF },
      OPF20.optional-id-attribute,
      OPF20.package-content
   }

OPF20.package-content =
   OPF20.metadata-element,
   OPF20.manifest-element,
   OPF20.spine-element,
   OPF20.tours-element?,
   OPF20.guide-element?

OPF20.metadata-element =
   element metadata { OPF20.optional-id-attribute, OPF20.metadata-content }

OPF20.metadata-content =
   ( OPF20.dc-metadata-element & OPF20.x-metadata-element? )
 | (
      DC.title-element+
    & DC.language-element+
    & DC.identifier-element+
    & DC.optional-metadata-element*
    & OPF20.meta-element*
    & OPF20.any-other-element*
   )

OPF20.dc-metadata-element =
   element dc-metadata
   {
      OPF20.optional-id-attribute,
      OPF20.dc-metadata-content
   }

OPF20.dc-metadata-content =
   DC.title-element+
 & DC.language-element+
 & DC.identifier-element+
 & DC.optional-metadata-element*

DC.identifier-element =
   element dc:identifier
   {
      attribute id { xsd:ID }?,
      OPF20.optional-xsi-type,
      OPF20.optional-scheme-attribute,
      DC.metadata-common-content
   }

DC.title-element =
   element dc:title
   {
      OPF20.optional-id-attribute,
      OPF20.optional-xml-lang-attribute,
      DC.metadata-common-content
   }

DC.language-element =
   element dc:language
   {
      OPF20.optional-id-attribute,
      OPF20.optional-xsi-type,
      DC.metadata-common-content
   }

DC.optional-metadata-element =
   element dc:contributor
   {
      OPF20.optional-id-attribute,
      OPF20.optional-xml-lang-attribute,
      OPF20.optional-file-as-attribute,
      OPF20.optional-role-attribute,
      DC.metadata-common-content
   }
 | element dc:coverage
   {
      OPF20.optional-id-attribute,
      OPF20.optional-xml-lang-attribute,
      DC.metadata-common-content
   }
 | element dc:creator
   {
      OPF20.optional-id-attribute,
      OPF20.optional-xml-lang-attribute,
      OPF20.optional-file-as-attribute,
      OPF20.optional-role-attribute,
      DC.metadata-common-content
   }
 | element dc:date
   {
      OPF20.optional-id-attribute,
      OPF20.optional-xsi-type,
      OPF20.optional-event-attribute,
      DC.metadata-common-content
   }
 | element dc:description
   {
      OPF20.optional-id-attribute,
      OPF20.optional-xml-lang-attribute,
      DC.metadata-common-content
   }
 | element dc:format
   {
      OPF20.optional-id-attribute,
      OPF20.optional-xsi-type,
      DC.metadata-common-content
   }
 | element dc:publisher
   {
      OPF20.optional-id-attribute,
      OPF20.optional-xml-lang-attribute,
      DC.metadata-common-content
   }
 | element dc:relation
   {
      OPF20.optional-id-attribute,
      OPF20.optional-xml-lang-attribute,
      DC.metadata-common-content
   }
 | element dc:rights
   {
      OPF20.optional-id-attribute,
      OPF20.optional-xml-lang-attribute,
      DC.metadata-common-content
   }
 | element dc:source
   {
      OPF20.optional-id-attribute,
      OPF20.optional-xml-lang-attribute,
      DC.metadata-common-content
   }
 | element dc:subject
   {
      OPF20.optional-id-attribute,
      OPF20.optional-xml-lang-attribute,
      DC.metadata-common-content
   }
 | element dc:type
   {
      OPF20.optional-id-attribute,
      OPF20.optional-xsi-type,
      DC.metadata-common-content
   }

DC.metadata-common-content = text

OPF20.x-metadata-element =
   element x-metadata { OPF20.optional-id-attribute, OPF20.x-metadata-content }

OPF20.x-metadata-content = OPF20.meta-element* & OPF20.any-other-element*

OPF20.meta-element =
   element meta
   {
      OPF20.optional-id-attribute,
      OPF20.optional-xml-lang-attribute,
      attribute name { text },
      attribute content { text },
      attribute scheme { text }?,
      OPF20.meta-content
   }

OPF20.meta-content = empty

OPF20.manifest-element =
   element manifest { OPF20.optional-id-attribute, OPF20.manifest-content }

OPF20.manifest-content = OPF20.item-element+

OPF20.item-element =
   element item
   {
      attribute id { xsd:ID },
      attribute href { text },
      attribute media-type { text },
      attribute fallback { xsd:IDREF }?,
      attribute fallback-style { xsd:IDREF }?,
      (
         attribute required-namespace { text },
         attribute required-modules { text }?
      )?,
      OPF20.item-content
   }

OPF20.item-content = empty

OPF20.spine-element =
   element spine
   {
      OPF20.optional-id-attribute,
      attribute toc { xsd:IDREF },
      OPF20.spine-content
   }

OPF20.spine-content = OPF20.itemref-element+

OPF20.itemref-element =
   element itemref
   {
      OPF20.optional-id-attribute,
      attribute idref { xsd:IDREF },
      attribute linear { "yes" | "no" }?,
      OPF20.itemref-content
   }

OPF20.itemref-content = empty

OPF20.tours-element =
   element tours { OPF20.optional-id-attribute, OPF20.tours-content }

OPF20.tours-content = OPF20.tour-element+

OPF20.tour-element =
   element tour
   {
      OPF20.optional-id-attribute,
      attribute title { text },
      OPF20.tour-content
   }

OPF20.tour-content = OPF20.site-element+

OPF20.site-element =
   element site
   {
      OPF20.optional-id-attribute,
      attribute title { text },
      attribute href { text },
      OPF20.site-content
   }

OPF20.site-content = empty

OPF20.guide-element =
   element guide { OPF20.optional-id-attribute, OPF20.guide-content }

OPF20.guide-content = OPF20.reference-element*

OPF20.reference-element =
   element reference
   {
      OPF20.optional-id-attribute,
      attribute type { text },
      attribute title { text }?,
      attribute href { text },
      OPF20.reference-content
   }

OPF20.reference-content = empty

OPF20.any-other-element =
   element * - (opf:* | dc:*)
   {
      ( attribute * { text } | text | OPF20.any-other-element )*
   }