<!--
-*- rnc -*- RELAX NG Compact Syntax Grammar for the Atom Format
Specification Version 11
-->
<!--
$Revision: 34 $
$Date: 2009-08-07 22:20:47 +0000 (Fri, 07 Aug 2009) $
$Author: albertcbrown $
$HeadURL: file:///var/svn/repos/cmis/trunk/SchemaProject/schema/ATOM.xsd $
-->
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
elementFormDefault="qualified" targetNamespace="http://www.w3.org/2005/Atom"
xmlns:atom="http://www.w3.org/2005/Atom" xmlns:xhtml="http://www.w3.org/1999/xhtml"
xmlns:xml="http://www.w3.org/XML/1998/namespace"
xmlns:jaxb="http://java.sun.com/xml/ns/jaxb" xmlns:xjc="http://java.sun.com/xml/ns/jaxb/xjc"
jaxb:extensionBindingPrefixes="xjc" jaxb:version="2.1" version="0.62d">
<xs:import namespace="http://www.w3.org/XML/1998/namespace" />
<!-- Common attributes -->
<xs:attributeGroup name="atomCommonAttributes">
<xs:attribute ref="xml:base" />
<xs:attribute ref="xml:lang" />
<xs:attributeGroup ref="atom: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:group name="atomXHTMLTextConstruct">
<xs:sequence>
<xs:any minOccurs="0" maxOccurs="unbounded" namespace="http://www.w3.org/1999/xhtml" />
</xs:sequence>
</xs:group>
<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:group minOccurs="0" ref="atom:atomXHTMLTextConstruct" />
<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:sequence>
<xs:element ref="atom:name" minOccurs="0" maxOccurs="1" />
<xs:element ref="atom:uri" minOccurs="0" maxOccurs="1" />
<xs:element ref="atom:email" minOccurs="0" maxOccurs="1" />
<xs:group ref="atom:extensionElement" minOccurs="0"
maxOccurs="unbounded" />
</xs:sequence>
<xs:attributeGroup ref="atom:atomCommonAttributes" />
</xs:complexType>
<xs:element name="name" type="xs:string" />
<xs:element name="uri" type="xs:string" />
<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" type="atom:feedType"></xs:element>
<xs:complexType name="feedType">
<xs:sequence>
<xs:choice maxOccurs="unbounded">
<xs:annotation>
<xs:appinfo>
<jaxb:property name="items" />
</xs:appinfo>
</xs:annotation>
<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:choice>
<!-- original atom extension element -->
<xs:group ref="atom:extensionElement" />
<xs:element minOccurs="0" maxOccurs="unbounded" ref="atom:entry" />
</xs:sequence>
<xs:attributeGroup ref="atom:atomCommonAttributes" />
</xs:complexType>
<!-- atom:entry -->
<xs:element name="entry" type="atom:entryType">
</xs:element>
<xs:complexType name="entryType">
<xs:sequence>
<xs:choice maxOccurs="unbounded">
<xs:annotation>
<xs:appinfo>
<jaxb:property name="items" />
</xs:appinfo>
</xs:annotation>
<xs:element ref="atom:author" />
<xs:element ref="atom:category" />
<xs:element ref="atom:content" />
<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:choice>
<!-- Normal ATOM extension element -->
<xs:group ref="atom:extensionElement" />
</xs:sequence>
<xs:attributeGroup ref="atom:atomCommonAttributes" />
</xs:complexType>
<!-- atom:content -->
<xs:attributeGroup name="atomInlineTextConstruct">
<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:group name="atomInlineOtherConstruct">
<xs:sequence>
<xs:group minOccurs="0" maxOccurs="unbounded" ref="atom:anyElement" />
</xs:sequence>
</xs:group>
<xs:attributeGroup name="atomInlineOtherConstruct">
<xs:attributeGroup ref="atom:atomCommonAttributes" />
<xs:attribute name="type">
<xs:simpleType>
<xs:union memberTypes="atom:atomMediaType">
<xs:simpleType>
<xs:restriction base="xs:token">
<xs:enumeration value="xhtml" />
</xs:restriction>
</xs:simpleType>
</xs:union>
</xs:simpleType>
</xs:attribute>
</xs:attributeGroup>
<xs:attributeGroup name="atomOutOfLineConstruct">
<xs:attributeGroup ref="atom:atomCommonAttributes" />
<xs:attribute name="type" type="atom:atomMediaType" />
<xs:attribute name="src" use="required" />
</xs:attributeGroup>
<xs:element name="content">
<xs:complexType mixed="true">
<xs:group minOccurs="0" ref="atom:atomInlineOtherConstruct" />
<xs:attribute name="type">
<xs:simpleType>
<xs:union memberTypes="atom:atomMediaType">
<xs:simpleType>
<xs:restriction base="xs:token">
<xs:enumeration value="text" />
<xs:enumeration value="html" />
</xs:restriction>
</xs:simpleType>
<xs:simpleType>
<xs:union memberTypes="atom:atomMediaType">
<xs:simpleType>
<xs:restriction base="xs:token">
<xs:enumeration value="xhtml" />
</xs:restriction>
</xs:simpleType>
</xs:union>
</xs:simpleType>
</xs:union>
</xs:simpleType>
</xs:attribute>
<xs:attributeGroup ref="atom:atomCommonAttributes" />
<xs:attribute name="src" />
</xs:complexType>
</xs:element>
<!-- 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" />
<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" />
<xs:attribute name="version" />
</xs:complexType>
</xs:element>
<!-- atom:icon -->
<xs:element name="icon">
<xs:complexType mixed="true">
<xs:attributeGroup ref="atom:atomCommonAttributes" />
</xs:complexType>
</xs:element>
<!-- atom:id -->
<xs:element name="id">
<xs:complexType mixed="true">
<xs:attributeGroup ref="atom:atomCommonAttributes" />
</xs:complexType>
</xs:element>
<!-- atom:logo -->
<xs:element name="logo">
<xs:complexType mixed="true">
<xs:attributeGroup ref="atom:atomCommonAttributes" />
</xs:complexType>
</xs:element>
<!-- atom:link -->
<xs:element name="link">
<xs:annotation>
<xs:documentation>
The "atom:link" element defines a reference from an
entry or feed to a Web resource. This specification
assigns no
meaning to the content (if any) of this
element.
</xs:documentation>
</xs:annotation>
<xs:complexType>
<xs:complexContent>
<xs:extension base="atom:undefinedContent">
<xs:attributeGroup ref="atom:atomCommonAttributes" />
<xs:attribute name="href" use="required" />
<xs:attribute name="rel"></xs:attribute>
<xs:attribute name="type" type="atom:atomMediaType" />
<xs:attribute name="hreflang" type="atom:atomLanguageTag" />
<xs:attribute name="title" />
<xs:attribute name="length" />
</xs:extension>
</xs:complexContent>
</xs:complexType>
</xs:element>
<!-- 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:annotation>
<xs:documentation>
atom:source is used to preserve metadata of a feed
when
an entry is copied from a feed to another feed.
</xs:documentation>
</xs:annotation>
<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 -->
<xs:element name="summary" type="atom:atomTextConstruct" />
<!-- atom:title -->
<xs:element name="title" type="atom:atomTextConstruct">
<xs:annotation>
<xs:documentation>
The "atom:title" element is a Text construct that
conveys a human- readable title for an entry or feed.
atomTitle =
element atom:title { atomTextConstruct }.
</xs:documentation>
</xs:annotation>
</xs:element>
<!-- atom:updated -->
<xs:element name="updated" type="atom:atomDateConstruct">
<xs:annotation>
<xs:documentation>
The "atom:updated" element is a Date construct
indicating the most recent instant in time when an entry
or feed was
modified in a way the publisher considers
significant. Therefore, not
all modifications
necessarily result in a changed atom:updated value.
atomUpdated = element atom:updated { atomDateConstruct
}. Publishers
MAY change the value of this element over
time.
</xs:documentation>
</xs:annotation>
</xs:element>
<!-- 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="extensionElement">
<xs:sequence>
<xs:any namespace="##other" processContents="lax" minOccurs="0"
maxOccurs="unbounded">
<xs:annotation>
<xs:appinfo>
<jaxb:property name='anyOther' />
</xs:appinfo>
</xs:annotation>
</xs:any>
<xs:any namespace="##local" processContents="lax" minOccurs="0"
maxOccurs="unbounded">
<xs:annotation>
<xs:appinfo>
<jaxb:property name='anyLocal' />
</xs:appinfo>
</xs:annotation>
</xs:any>
</xs:sequence>
</xs:group>
<xs:attributeGroup name="undefinedAttribute">
<xs:anyAttribute namespace="##other" processContents="lax" />
</xs:attributeGroup>
<xs:complexType name="undefinedContent">
<xs:sequence>
<xs:any namespace="##other" processContents="lax" minOccurs="0"
maxOccurs="unbounded">
<xs:annotation>
<xs:appinfo>
<jaxb:property name='anyOther' />
</xs:appinfo>
</xs:annotation>
</xs:any>
<xs:any namespace="##local" processContents="lax" minOccurs="0"
maxOccurs="unbounded">
<xs:annotation>
<xs:appinfo>
<jaxb:property name='anyLocal' />
</xs:appinfo>
</xs:annotation>
</xs:any>
</xs:sequence>
<!--
<xs:group minOccurs="0" maxOccurs="unbounded"
ref="atom:anyForeignElement" />
-->
</xs:complexType>
<xs:group name="anyElement">
<xs:sequence>
<xs:any processContents="lax" />
</xs:sequence>
</xs:group>
<xs:group name="anyForeignElement">
<xs:sequence>
<xs:any namespace="##other" processContents="lax" />
<xs:any namespace="##local" processContents="lax" />
</xs:sequence>
</xs:group>
<!-- XHTML -->
<xs:group name="anyXHTML">
<xs:sequence>
<xs:any namespace="http://www.w3.org/1999/xhtml"
processContents="lax" />
</xs:sequence>
</xs:group>
</xs:schema>
<!-- EOF -->
|
XSD Schema Code: