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# RELAX NG Compact Schema for RDF/XML Syntax
#
# Copyright (C) 2001-2008 World Wide Web Consortium, (Massachusetts
# Institute of Technology, European Research Consortium for
# Informatics and Mathematics, Keio University). All Rights Reserved.
# This work is distributed under the W3C(R) Software License in the
# hope that it will be useful, but WITHOUT ANY WARRANTY; without even
# the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
# PURPOSE.
#
# This schema is for information only and NON-NORMATIVE
#
# It is based on one originally written by James Clark in
# http://lists.w3.org/Archives/Public/www-rdf-comments/2001JulSep/0248.html
# and updated with later changes.
namespace local = ""
namespace rdf = "http://www.w3.org/1999/02/22-rdf-syntax-ns#"
datatypes xsd = "http://www.w3.org/2001/XMLSchema-datatypes"
start = doc
# I cannot seem to do this in RNGC so they are expanded in-line
# coreSyntaxTerms = rdf:RDF | rdf:ID | rdf:about | rdf:parseType | rdf:resource | rdf:nodeID | rdf:datatype
# syntaxTerms = coreSyntaxTerms | rdf:Description | rdf:li
# oldTerms = rdf:aboutEach | rdf:aboutEachPrefix | rdf:bagID
# nodeElementURIs = * - ( coreSyntaxTerms | rdf:li | oldTerms )
# propertyElementURIs = * - ( coreSyntaxTerms | rdf:Description | oldTerms )
# propertyAttributeURIs = * - ( coreSyntaxTerms | rdf:Description | rdf:li | oldTerms )
# Also needed to allow rdf:li on all property element productions
# since we can't capture the rdf:li rewriting to rdf_<n> in relaxng
# Need to add these explicitly
xmllang = attribute xml:lang { text }
xmlbase = attribute xml:base { text }
# and to forbid every other xml:* attribute, element
doc =
RDF
RDF =
element rdf:RDF {
xmllang?, xmlbase?, nodeElementList
}
nodeElementList =
nodeElement*
# Should be something like:
# ws* , ( nodeElement , ws* )*
# but RELAXNG does this by default, ignoring whitespace separating tags.
nodeElement =
element * - ( local:* | rdf:RDF | rdf:ID | rdf:about | rdf:parseType |
rdf:resource | rdf:nodeID | rdf:datatype | rdf:li |
rdf:aboutEach | rdf:aboutEachPrefix | rdf:bagID ) {
(idAttr | nodeIdAttr | aboutAttr )?, xmllang?, xmlbase?, propertyAttr*, propertyEltList
}
# It is not possible to say "and not things
# beginning with _ in the rdf: namespace" in RELAX NG.
ws =
" "
# Not used in this RELAX NG schema; but should be any legal XML
# whitespace defined by http://www.w3.org/TR/2000/REC-xml-20001006#NT-S
propertyEltList =
propertyElt*
# Should be something like:
# ws* , ( propertyElt , ws* )*
# but RELAXNG does this by default, ignoring whitespace separating tags.
propertyElt =
resourcePropertyElt |
literalPropertyElt |
parseTypeLiteralPropertyElt |
parseTypeResourcePropertyElt |
parseTypeCollectionPropertyElt |
parseTypeOtherPropertyElt |
emptyPropertyElt
resourcePropertyElt =
element * - ( local:* | rdf:RDF | rdf:ID | rdf:about | rdf:parseType |
rdf:resource | rdf:nodeID | rdf:datatype |
rdf:Description | rdf:aboutEach | rdf:aboutEachPrefix | rdf:bagID |
xml:* ) {
idAttr?, xmllang?, xmlbase?, nodeElement
}
literalPropertyElt =
element * - ( local:* | rdf:RDF | rdf:ID | rdf:about | rdf:parseType |
rdf:resource | rdf:nodeID | rdf:datatype |
rdf:Description | rdf:aboutEach | rdf:aboutEachPrefix | rdf:bagID |
xml:* ) {
(idAttr | datatypeAttr )?, xmllang?, xmlbase?, text
}
parseTypeLiteralPropertyElt =
element * - ( local:* | rdf:RDF | rdf:ID | rdf:about | rdf:parseType |
rdf:resource | rdf:nodeID | rdf:datatype |
rdf:Description | rdf:aboutEach | rdf:aboutEachPrefix | rdf:bagID |
xml:* ) {
idAttr?, parseLiteral, xmllang?, xmlbase?, literal
}
parseTypeResourcePropertyElt =
element * - ( local:* | rdf:RDF | rdf:ID | rdf:about | rdf:parseType |
rdf:resource | rdf:nodeID | rdf:datatype |
rdf:Description | rdf:aboutEach | rdf:aboutEachPrefix | rdf:bagID |
xml:* ) {
idAttr?, parseResource, xmllang?, xmlbase?, propertyEltList
}
parseTypeCollectionPropertyElt =
element * - ( local:* | rdf:RDF | rdf:ID | rdf:about | rdf:parseType |
rdf:resource | rdf:nodeID | rdf:datatype |
rdf:Description | rdf:aboutEach | rdf:aboutEachPrefix | rdf:bagID |
xml:* ) {
idAttr?, xmllang?, xmlbase?, parseCollection, nodeElementList
}
parseTypeOtherPropertyElt =
element * - ( local:* | rdf:RDF | rdf:ID | rdf:about | rdf:parseType |
rdf:resource | rdf:nodeID | rdf:datatype |
rdf:Description | rdf:aboutEach | rdf:aboutEachPrefix | rdf:bagID |
xml:* ) {
idAttr?, xmllang?, xmlbase?, parseOther, any
}
emptyPropertyElt =
element * - ( local:* | rdf:RDF | rdf:ID | rdf:about | rdf:parseType |
rdf:resource | rdf:nodeID | rdf:datatype |
rdf:Description | rdf:aboutEach | rdf:aboutEachPrefix | rdf:bagID |
xml:* ) {
idAttr?, (resourceAttr | nodeIdAttr)?, xmllang?, xmlbase?, propertyAttr*
}
idAttr =
attribute rdf:ID {
IDsymbol
}
nodeIdAttr =
attribute rdf:nodeID {
IDsymbol
}
aboutAttr =
attribute rdf:about {
URI-reference
}
propertyAttr =
attribute * - ( local:* | rdf:RDF | rdf:ID | rdf:about | rdf:parseType |
rdf:resource | rdf:nodeID | rdf:datatype | rdf:li |
rdf:Description | rdf:aboutEach |
rdf:aboutEachPrefix | rdf:bagID |
xml:* ) {
string
}
resourceAttr =
attribute rdf:resource {
URI-reference
}
datatypeAttr =
attribute rdf:datatype {
URI-reference
}
parseLiteral =
attribute rdf:parseType {
"Literal"
}
parseResource =
attribute rdf:parseType {
"Resource"
}
parseCollection =
attribute rdf:parseType {
"Collection"
}
parseOther =
attribute rdf:parseType {
text
}
URI-reference =
string
literal =
any
IDsymbol =
xsd:NMTOKEN
any =
mixed { element * { attribute * { text }*, any }* }
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