Restriction of choice/sequence with non-unity cardinality and any ##any fail
with rcase-Recurse[Lax].2
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Key: XERCESJ-1285
URL: https://issues.apache.org/jira/browse/XERCESJ-1285
Project: Xerces2-J
Issue Type: Bug
Components: XML Schema Structures
Affects Versions: 2.9.1
Environment: WindowsXP, Java 1.5.0-b64
Reporter: Martin Thomson
Priority: Minor
If a base type includes an any declaration, within a sequence or choice that
has non-unity cardinality, restrictions that specify more than one particle in
place of the any declaration fail, even though their cardinality should be
allowed as a sequence derivation based on NSRecurseCheckCardinality.
This does not occur when the cardinality of the base sequence or choice is 1
(i.e. minOccurs and maxOccurs both equal 1).
Using Sandy's notation for single-element choices or sequences:
base_c = (##any*|)*
base_s = (##any*,)*
Restrictions of these types that include multiple particles in place of the any
fail.
restriction_c = (X|Y)*
restriction_s = (X,Y)*
You can dupe Xerces into passing the restriction by adding two layers of extra
groupings:
restriction_c = (((X|Y|),)|)* -- passes
restriction_s = (((X,Y,)|),)* -- passes
But a simple grouping gets removed since it is a useless particle:
restriction_c = ((X|Y|)|)* -- fails
restriction_s = ((X,Y,),)* -- fails
This probably has something to do with the way that Xerces removes redundant
particles.
Here's a schema that fails on all restrictions except the dupe ones (those with
_p in the restriction type name). You can remove all instances of element Q to
simplify the content -- it's there to show that this occurs only when part of
the group is replaced. (My apologies for the size of this, there are a few
cases to demonstrate).
I get 18 total errors from this schema, but each restriction error results in
two error messages from Xerces: rcase-Recurse.2 or rcase-RecurseLax.2 and
derivation-ok-restriction.5.4.2.
~~
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema";
targetNamespace="urn:restrict2" xmlns="urn:restrict2">
<xs:complexType name="base_s">
<xs:complexContent>
<xs:restriction base="xs:anyType">
<xs:sequence minOccurs="0">
<xs:element name="Q"/>
<xs:any namespace="##any"
minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
</xs:restriction>
</xs:complexContent>
</xs:complexType>
<xs:complexType name="restriction_s">
<xs:complexContent>
<xs:restriction base="base_s">
<xs:sequence minOccurs="0">
<xs:element name="Q"/>
<xs:element name="X"/>
<xs:element name="Y"/>
</xs:sequence>
</xs:restriction>
</xs:complexContent>
</xs:complexType>
<xs:complexType name="restriction_s2">
<xs:complexContent>
<xs:restriction base="base_s">
<xs:sequence minOccurs="0">
<xs:element name="Q"/>
<xs:sequence>
<xs:element name="X"/>
<xs:element name="Y"/>
</xs:sequence>
</xs:sequence>
</xs:restriction>
</xs:complexContent>
</xs:complexType>
<xs:complexType name="restriction_s_1">
<xs:complexContent>
<xs:restriction base="base_s">
<xs:sequence>
<xs:element name="Q"/>
<xs:element name="X"/>
<xs:element name="Y"/>
</xs:sequence>
</xs:restriction>
</xs:complexContent>
</xs:complexType>
<xs:complexType name="restriction_s_p">
<xs:complexContent>
<xs:restriction base="base_s">
<xs:sequence minOccurs="0">
<xs:element name="Q"/>
<xs:choice>
<xs:sequence>
<xs:element name="X"/>
<xs:element name="Y"/>
</xs:sequence>
</xs:choice>
</xs:sequence>
</xs:restriction>
</xs:complexContent>
</xs:complexType>
<xs:complexType name="base_c">
<xs:complexContent>
<xs:restriction base="xs:anyType">
<xs:choice minOccurs="0">
<xs:element name="Q"/>
<xs:any namespace="##any"
minOccurs="0" maxOccurs="unbounded"/>
</xs:choice>
</xs:restriction>
</xs:complexContent>
</xs:complexType>
<xs:complexType name="restriction_c">
<xs:complexContent>
<xs:restriction base="base_c">
<xs:choice minOccurs="0">
<xs:element name="Q"/>
<xs:element name="X"/>
<xs:element name="Y"/>
</xs:choice>
</xs:restriction>
</xs:complexContent>
</xs:complexType>
<xs:complexType name="restriction_c2">
<xs:complexContent>
<xs:restriction base="base_c">
<xs:choice minOccurs="0">
<xs:element name="Q"/>
<xs:choice>
<xs:element name="X"/>
<xs:element name="Y"/>
</xs:choice>
</xs:choice>
</xs:restriction>
</xs:complexContent>
</xs:complexType>
<xs:complexType name="restriction_c_1">
<xs:complexContent>
<xs:restriction base="base_c">
<xs:choice>
<xs:element name="Q"/>
<xs:element name="X"/>
<xs:element name="Y"/>
</xs:choice>
</xs:restriction>
</xs:complexContent>
</xs:complexType>
<xs:complexType name="restriction_c_p">
<xs:complexContent>
<xs:restriction base="base_c">
<xs:choice minOccurs="0">
<xs:element name="Q"/>
<xs:sequence>
<xs:choice>
<xs:element name="X"/>
<xs:element name="Y"/>
</xs:choice>
</xs:sequence>
</xs:choice>
</xs:restriction>
</xs:complexContent>
</xs:complexType>
<xs:complexType name="base_su">
<xs:complexContent>
<xs:restriction base="xs:anyType">
<xs:sequence maxOccurs="unbounded">
<xs:element name="Q"/>
<xs:any namespace="##any"
minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
</xs:restriction>
</xs:complexContent>
</xs:complexType>
<xs:complexType name="restriction_su">
<xs:complexContent>
<xs:restriction base="base_su">
<xs:sequence maxOccurs="unbounded">
<xs:element name="Q"/>
<xs:element name="X"/>
<xs:element name="Y"/>
</xs:sequence>
</xs:restriction>
</xs:complexContent>
</xs:complexType>
<xs:complexType name="restriction_su_1">
<xs:complexContent>
<xs:restriction base="base_su">
<xs:sequence>
<xs:element name="Q"/>
<xs:element name="X"/>
<xs:element name="Y"/>
</xs:sequence>
</xs:restriction>
</xs:complexContent>
</xs:complexType>
<xs:complexType name="restriction_su_p">
<xs:complexContent>
<xs:restriction base="base_su">
<xs:sequence>
<xs:element name="Q"/>
<xs:choice>
<xs:sequence>
<xs:element name="X"/>
<xs:element name="Y"/>
</xs:sequence>
</xs:choice>
</xs:sequence>
</xs:restriction>
</xs:complexContent>
</xs:complexType>
</xs:schema>
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