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June 20, 2022 08:38
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| <?xml version="1.0" encoding="UTF-8"?> | |
| <!-- | |
| -*- rnc -*- | |
| RELAX NG Compact Syntax Grammar for the | |
| Atom Format Specification Version 11 | |
| --> | |
| <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified" targetNamespace="http://www.w3.org/2005/Atom" xmlns:xhtml="http://www.w3.org/1999/xhtml" xmlns:opds="http://opds-spec.org/2010/catalog" xmlns:atom="http://www.w3.org/2005/Atom"> | |
| <xs:import namespace="http://opds-spec.org/2010/catalog" schemaLocation="opds.xsd"/> | |
| <xs:import namespace="http://www.w3.org/1999/xhtml" schemaLocation="xhtml.xsd"/> | |
| <xs:import namespace="http://www.w3.org/XML/1998/namespace" schemaLocation="xml.xsd"/> | |
| <!-- Common attributes --> | |
| <xs:attributeGroup name="atomCommonAttributes"> | |
| <xs:attribute ref="xml:base"/> | |
| <xs:attribute ref="xml:lang"/> | |
| <xs:attributeGroup ref="opds:undefinedAttribute"/> | |
| </xs:attributeGroup> | |
| <!-- Text Constructs --> | |
| <xs:attributeGroup name="atomPlainTextConstruct"> | |
| <xs:attributeGroup ref="atom:atomCommonAttributes"/> | |
| <xs:attribute name="type"> | |
| <xs:simpleType> | |
| <xs:restriction base="xs:token"> | |
| <xs:enumeration value="text"/> | |
| <xs:enumeration value="html"/> | |
| </xs:restriction> | |
| </xs:simpleType> | |
| </xs:attribute> | |
| </xs:attributeGroup> | |
| <xs:element name="atomXHTMLTextConstruct" abstract="true"> | |
| <xs:complexType mixed="true"> | |
| <xs:group minOccurs="0" maxOccurs="unbounded" ref="atom:anyXHTML"/> | |
| <xs:anyAttribute processContents="skip"/> | |
| </xs:complexType> | |
| </xs:element> | |
| <xs:attributeGroup name="atomXHTMLTextConstruct"> | |
| <xs:attributeGroup ref="atom:atomCommonAttributes"/> | |
| <xs:attribute name="type" use="required"> | |
| <xs:simpleType> | |
| <xs:restriction base="xs:token"> | |
| <xs:enumeration value="xhtml"/> | |
| </xs:restriction> | |
| </xs:simpleType> | |
| </xs:attribute> | |
| </xs:attributeGroup> | |
| <xs:complexType name="atomTextConstruct" mixed="true"> | |
| <xs:sequence> | |
| <xs:element minOccurs="0" ref="atom:atomXHTMLTextConstruct"/> | |
| </xs:sequence> | |
| <xs:attribute name="type"> | |
| <xs:simpleType> | |
| <xs:restriction base="xs:token"> | |
| <xs:enumeration value="text"/> | |
| <xs:enumeration value="html"/> | |
| <xs:enumeration value="xhtml"/> | |
| </xs:restriction> | |
| </xs:simpleType> | |
| </xs:attribute> | |
| <xs:attributeGroup ref="atom:atomCommonAttributes"/> | |
| </xs:complexType> | |
| <!-- Person Construct --> | |
| <xs:complexType name="atomPersonConstruct"> | |
| <xs:choice minOccurs="0" maxOccurs="unbounded"> | |
| <xs:element ref="atom:name"/> | |
| <xs:element ref="atom:uri"/> | |
| <xs:element ref="atom:email"/> | |
| <xs:group ref="atom:extensionElement"/> | |
| </xs:choice> | |
| <xs:attributeGroup ref="atom:atomCommonAttributes"/> | |
| </xs:complexType> | |
| <xs:element name="name" type="xs:string"/> | |
| <xs:element name="uri" type="opds:atomUri"/> | |
| <xs:element name="email" type="atom:atomEmailAddress"/> | |
| <!-- Date Construct --> | |
| <xs:complexType name="atomDateConstruct"> | |
| <xs:simpleContent> | |
| <xs:extension base="xs:dateTime"> | |
| <xs:attributeGroup ref="atom:atomCommonAttributes"/> | |
| </xs:extension> | |
| </xs:simpleContent> | |
| </xs:complexType> | |
| <!-- atom:feed --> | |
| <xs:element name="feed"> | |
| <xs:complexType> | |
| <xs:sequence> | |
| <xs:choice minOccurs="0" maxOccurs="unbounded"> | |
| <xs:element ref="atom:author"/> | |
| <xs:element ref="atom:category"/> | |
| <xs:element ref="atom:contributor"/> | |
| <xs:element ref="atom:generator"/> | |
| <xs:element ref="atom:icon"/> | |
| <xs:element ref="atom:id"/> | |
| <xs:element ref="atom:link"/> | |
| <xs:element ref="atom:logo"/> | |
| <xs:element ref="atom:rights"/> | |
| <xs:element ref="atom:subtitle"/> | |
| <xs:element ref="atom:title"/> | |
| <xs:element ref="atom:updated"/> | |
| <xs:group ref="atom:extensionElement"/> | |
| </xs:choice> | |
| <xs:element minOccurs="0" maxOccurs="unbounded" ref="atom:entry"/> | |
| </xs:sequence> | |
| <xs:attributeGroup ref="atom:atomCommonAttributes"/> | |
| </xs:complexType> | |
| </xs:element> | |
| <!-- atom:entry --> | |
| <xs:element name="entry"> | |
| <xs:complexType> | |
| <xs:choice minOccurs="0" maxOccurs="unbounded"> | |
| <xs:element ref="atom:author"/> | |
| <xs:element ref="atom:category"/> | |
| <xs:group ref="atom:atomContent"/> | |
| <xs:element ref="atom:contributor"/> | |
| <xs:element ref="atom:id"/> | |
| <xs:element ref="atom:link"/> | |
| <xs:element ref="atom:published"/> | |
| <xs:element ref="atom:rights"/> | |
| <xs:element ref="atom:source"/> | |
| <xs:element ref="atom:summary"/> | |
| <xs:element ref="atom:title"/> | |
| <xs:element ref="atom:updated"/> | |
| <xs:group ref="atom:extensionElement"/> | |
| </xs:choice> | |
| <xs:attributeGroup ref="atom:atomCommonAttributes"/> | |
| </xs:complexType> | |
| </xs:element> | |
| <!-- atom:content --> | |
| <xs:group name="atomInlineTextContent"> | |
| <xs:sequence> | |
| <xs:element name="content"> | |
| <xs:complexType mixed="true"> | |
| <xs:attributeGroup ref="atom:atomCommonAttributes"/> | |
| <xs:attribute name="type"> | |
| <xs:simpleType> | |
| <xs:restriction base="xs:token"> | |
| <xs:enumeration value="text"/> | |
| <xs:enumeration value="html"/> | |
| </xs:restriction> | |
| </xs:simpleType> | |
| </xs:attribute> | |
| </xs:complexType> | |
| </xs:element> | |
| </xs:sequence> | |
| </xs:group> | |
| <xs:group name="atomInlineXHTMLContent"> | |
| <xs:sequence> | |
| <xs:element name="content"> | |
| <xs:complexType> | |
| <xs:sequence> | |
| <xs:element ref="xhtml:div"/> | |
| </xs:sequence> | |
| <xs:attributeGroup ref="atom:atomCommonAttributes"/> | |
| <xs:attribute name="type" use="required"> | |
| <xs:simpleType> | |
| <xs:restriction base="xs:token"> | |
| <xs:enumeration value="xhtml"/> | |
| </xs:restriction> | |
| </xs:simpleType> | |
| </xs:attribute> | |
| </xs:complexType> | |
| </xs:element> | |
| </xs:sequence> | |
| </xs:group> | |
| <xs:group name="atomInlineOtherContent"> | |
| <xs:sequence> | |
| <xs:element name="content"> | |
| <xs:complexType mixed="true"> | |
| <xs:group minOccurs="0" maxOccurs="unbounded" ref="atom:anyElement"/> | |
| <xs:attributeGroup ref="atom:atomCommonAttributes"/> | |
| <xs:attribute name="type" type="atom:atomMediaType"/> | |
| </xs:complexType> | |
| </xs:element> | |
| </xs:sequence> | |
| </xs:group> | |
| <xs:group name="atomOutOfLineContent"> | |
| <xs:sequence> | |
| <xs:element name="content"> | |
| <xs:complexType> | |
| <xs:attributeGroup ref="atom:atomCommonAttributes"/> | |
| <xs:attribute name="type" type="atom:atomMediaType"/> | |
| <xs:attribute name="src" use="required" type="opds:atomUri"/> | |
| </xs:complexType> | |
| </xs:element> | |
| </xs:sequence> | |
| </xs:group> | |
| <xs:group name="atomContent"> | |
| <xs:choice> | |
| <xs:group ref="atom:atomInlineTextContent"/> | |
| <xs:group ref="atom:atomInlineXHTMLContent"/> | |
| <xs:group ref="atom:atomInlineOtherContent"/> | |
| <xs:group ref="atom:atomOutOfLineContent"/> | |
| </xs:choice> | |
| </xs:group> | |
| <!-- atom:author --> | |
| <xs:element name="author" type="atom:atomPersonConstruct"/> | |
| <!-- atom:category --> | |
| <xs:element name="category"> | |
| <xs:complexType> | |
| <xs:complexContent> | |
| <xs:extension base="atom:undefinedContent"> | |
| <xs:attributeGroup ref="atom:atomCommonAttributes"/> | |
| <xs:attribute name="term" use="required"/> | |
| <xs:attribute name="scheme" type="opds:atomUri"/> | |
| <xs:attribute name="label"/> | |
| </xs:extension> | |
| </xs:complexContent> | |
| </xs:complexType> | |
| </xs:element> | |
| <!-- atom:contributor --> | |
| <xs:element name="contributor" type="atom:atomPersonConstruct"/> | |
| <!-- atom:generator --> | |
| <xs:element name="generator"> | |
| <xs:complexType mixed="true"> | |
| <xs:attributeGroup ref="atom:atomCommonAttributes"/> | |
| <xs:attribute name="uri" type="opds:atomUri"/> | |
| <xs:attribute name="version"/> | |
| </xs:complexType> | |
| </xs:element> | |
| <!-- atom:icon --> | |
| <xs:element name="icon"> | |
| <xs:complexType> | |
| <xs:simpleContent> | |
| <xs:extension base="opds:atomUri"> | |
| <xs:attributeGroup ref="atom:atomCommonAttributes"/> | |
| </xs:extension> | |
| </xs:simpleContent> | |
| </xs:complexType> | |
| </xs:element> | |
| <!-- atom:id --> | |
| <xs:element name="id"> | |
| <xs:complexType> | |
| <xs:simpleContent> | |
| <xs:extension base="opds:atomUri"> | |
| <xs:attributeGroup ref="atom:atomCommonAttributes"/> | |
| </xs:extension> | |
| </xs:simpleContent> | |
| </xs:complexType> | |
| </xs:element> | |
| <!-- atom:logo --> | |
| <xs:element name="logo"> | |
| <xs:complexType> | |
| <xs:simpleContent> | |
| <xs:extension base="opds:atomUri"> | |
| <xs:attributeGroup ref="atom:atomCommonAttributes"/> | |
| </xs:extension> | |
| </xs:simpleContent> | |
| </xs:complexType> | |
| </xs:element> | |
| <!-- atom:link --> | |
| <!-- atom:published --> | |
| <xs:element name="published" type="atom:atomDateConstruct"/> | |
| <!-- atom:rights --> | |
| <xs:element name="rights" type="atom:atomTextConstruct"/> | |
| <!-- atom:source --> | |
| <xs:element name="source"> | |
| <xs:complexType> | |
| <xs:choice minOccurs="0" maxOccurs="unbounded"> | |
| <xs:element ref="atom:author"/> | |
| <xs:element ref="atom:category"/> | |
| <xs:element ref="atom:contributor"/> | |
| <xs:element ref="atom:generator"/> | |
| <xs:element ref="atom:icon"/> | |
| <xs:element ref="atom:id"/> | |
| <xs:element ref="atom:link"/> | |
| <xs:element ref="atom:logo"/> | |
| <xs:element ref="atom:rights"/> | |
| <xs:element ref="atom:subtitle"/> | |
| <xs:element ref="atom:title"/> | |
| <xs:element ref="atom:updated"/> | |
| <xs:group ref="atom:extensionElement"/> | |
| </xs:choice> | |
| <xs:attributeGroup ref="atom:atomCommonAttributes"/> | |
| </xs:complexType> | |
| </xs:element> | |
| <!-- atom:subtitle --> | |
| <xs:element name="subtitle" type="atom:atomTextConstruct"/> | |
| <!-- atom:summary --> | |
| <!-- atom:title --> | |
| <xs:element name="title" type="atom:atomTextConstruct"/> | |
| <!-- atom:updated --> | |
| <xs:element name="updated" type="atom:atomDateConstruct"/> | |
| <!-- Low-level simple types --> | |
| <xs:simpleType name="atomNCName"> | |
| <xs:restriction base="xs:string"> | |
| <xs:minLength value="1"/> | |
| <xs:pattern value="[^:]*"/> | |
| </xs:restriction> | |
| </xs:simpleType> | |
| <!-- Whatever a media type is, it contains at least one slash --> | |
| <xs:simpleType name="atomMediaType"> | |
| <xs:restriction base="xs:string"> | |
| <xs:pattern value=".+/.+"/> | |
| </xs:restriction> | |
| </xs:simpleType> | |
| <!-- As defined in RFC 3066 --> | |
| <xs:simpleType name="atomLanguageTag"> | |
| <xs:restriction base="xs:string"> | |
| <xs:pattern value="[A-Za-z]{1,8}(-[A-Za-z0-9]{1,8})*"/> | |
| </xs:restriction> | |
| </xs:simpleType> | |
| <!-- | |
| Unconstrained; it's not entirely clear how IRI fit into | |
| xsd:anyURI so let's not try to constrain it here | |
| --> | |
| <!-- Whatever an email address is, it contains at least one @ --> | |
| <xs:simpleType name="atomEmailAddress"> | |
| <xs:restriction base="xs:string"> | |
| <xs:pattern value=".+@.+"/> | |
| </xs:restriction> | |
| </xs:simpleType> | |
| <!-- Simple Extension --> | |
| <xs:group name="simpleExtensionElement"> | |
| <xs:choice> | |
| <xs:any namespace="##other" processContents="skip"/> | |
| <xs:any namespace="##local" processContents="skip"/> | |
| </xs:choice> | |
| </xs:group> | |
| <!-- Structured Extension --> | |
| <xs:group name="structuredExtensionElement"> | |
| <xs:choice> | |
| <xs:any namespace="##other" processContents="skip"/> | |
| <xs:any namespace="##local" processContents="skip"/> | |
| </xs:choice> | |
| </xs:group> | |
| <!-- Other Extensibility --> | |
| <xs:group name="extensionElement"> | |
| <xs:choice> | |
| <xs:group ref="atom:simpleExtensionElement"/> | |
| <xs:group ref="atom:structuredExtensionElement"/> | |
| </xs:choice> | |
| </xs:group> | |
| <xs:complexType name="undefinedContent" mixed="true"> | |
| <xs:group minOccurs="0" maxOccurs="unbounded" ref="atom:anyForeignElement"/> | |
| </xs:complexType> | |
| <xs:group name="anyElement"> | |
| <xs:sequence> | |
| <xs:any processContents="skip"/> | |
| </xs:sequence> | |
| </xs:group> | |
| <xs:group name="anyForeignElement"> | |
| <xs:choice> | |
| <xs:any namespace="##other" processContents="skip"/> | |
| <xs:any namespace="##local" processContents="skip"/> | |
| </xs:choice> | |
| </xs:group> | |
| <!-- XHTML --> | |
| <xs:group name="anyXHTML"> | |
| <xs:sequence> | |
| <xs:any namespace="http://www.w3.org/1999/xhtml" processContents="skip"/> | |
| </xs:sequence> | |
| </xs:group> | |
| <xs:element name="link"> | |
| <xs:complexType mixed="true"> | |
| <xs:sequence> | |
| <xs:choice minOccurs="0"> | |
| <xs:element maxOccurs="unbounded" ref="opds:price"/> | |
| <xs:element minOccurs="0" maxOccurs="unbounded" ref="opds:price"/> | |
| </xs:choice> | |
| <xs:choice minOccurs="0" maxOccurs="unbounded"> | |
| <xs:element ref="opds:indirectAcquisition"/> | |
| <xs:group ref="opds:anyOPDSForeignElement"/> | |
| </xs:choice> | |
| </xs:sequence> | |
| <xs:attributeGroup ref="atom:atomCommonAttributes"/> | |
| <xs:attribute name="href" use="required" type="opds:atomUri"/> | |
| <xs:attribute name="type" type="atom:atomMediaType"/> | |
| <xs:attribute name="hreflang" type="atom:atomLanguageTag"/> | |
| <xs:attribute name="title"/> | |
| <xs:attribute name="length"/> | |
| <xs:attribute name="rel"> | |
| <xs:simpleType> | |
| <xs:union memberTypes="opds:OPDSUrisExceptBuy"> | |
| <xs:simpleType> | |
| <xs:restriction base="xs:token"> | |
| <xs:enumeration value="http://opds-spec.org/facet"/> | |
| </xs:restriction> | |
| </xs:simpleType> | |
| <xs:simpleType> | |
| <xs:restriction base="xs:token"> | |
| <xs:enumeration value="http://opds-spec.org/acquisition/buy"/> | |
| </xs:restriction> | |
| </xs:simpleType> | |
| <xs:simpleType> | |
| <xs:union memberTypes="atom:atomNCName opds:atomUriExceptOPDS"/> | |
| </xs:simpleType> | |
| </xs:union> | |
| </xs:simpleType> | |
| </xs:attribute> | |
| <xs:attribute ref="opds:facetGroup"/> | |
| <xs:attribute ref="opds:activeFacet"/> | |
| </xs:complexType> | |
| </xs:element> | |
| <xs:element name="summary"> | |
| <xs:complexType mixed="true"> | |
| <xs:attributeGroup ref="atom:atomCommonAttributes"/> | |
| <xs:attribute name="type"> | |
| <xs:simpleType> | |
| <xs:restriction base="xs:token"> | |
| <xs:enumeration value="text"/> | |
| </xs:restriction> | |
| </xs:simpleType> | |
| </xs:attribute> | |
| </xs:complexType> | |
| </xs:element> | |
| </xs:schema> | |
| <!-- EOF --> |
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| <?xml version="1.0" encoding="UTF-8"?> | |
| <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified" targetNamespace="http://www.w3.org/1999/xhtml" xmlns:xhtml="http://www.w3.org/1999/xhtml" xmlns:opds="http://opds-spec.org/2010/catalog" xmlns:atom="http://www.w3.org/2005/Atom"> | |
| <xs:import namespace="http://opds-spec.org/2010/catalog" schemaLocation="opds.xsd"/> | |
| <xs:import namespace="http://www.w3.org/2005/Atom" schemaLocation="atom.xsd"/> | |
| <xs:import namespace="http://www.w3.org/XML/1998/namespace" schemaLocation="xml.xsd"/> | |
| <xs:element name="div" substitutionGroup="atom:atomXHTMLTextConstruct"/> | |
| </xs:schema> |
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| <?xml version="1.0" encoding="UTF-8"?> | |
| <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified" targetNamespace="http://www.w3.org/XML/1998/namespace" xmlns:xhtml="http://www.w3.org/1999/xhtml" xmlns:opds="http://opds-spec.org/2010/catalog" xmlns:atom="http://www.w3.org/2005/Atom"> | |
| <xs:import namespace="http://opds-spec.org/2010/catalog" schemaLocation="opds.xsd"/> | |
| <xs:import namespace="http://www.w3.org/1999/xhtml" schemaLocation="xhtml.xsd"/> | |
| <xs:import namespace="http://www.w3.org/2005/Atom" schemaLocation="atom.xsd"/> | |
| <xs:attribute name="base" type="opds:atomUri"/> | |
| <xs:attribute name="lang" type="atom:atomLanguageTag"/> | |
| </xs:schema> |
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