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[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Sanity check please
I'm working on a new schema and have managed to get much of what I
need done, but I'm afraid that I'm doing some things incorrectly in
an effort to get it working. Sort of like adding closing parens to
LISP code until it works. ;)
Here's what I'm trying to accomplish....
A schema that references several other schemas in which are defined
an number of types. Everything to be pulled together by a catalog file.
I've included a heavily truncated and simplified version of what I'm
working with. My questions are as follows...
1). Have I created an operable catalog file
2). Have I correctly built the <schema/> headers for the subsequent
files?
3). If 1 & 2 are correct, why must I import the schemas in order to
use their defined elements? Shouldn't that be handled via my catalog
file and the <schema/> declarations?
I'd appreciate any input (good or bad) as to what I've provided
below. I have other questions, but their are predicated on the
answers to my questions above. ;)
-David
catalog.xml
=========
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE catalog
PUBLIC "-//OASIS//DTD XML Catalogs V1.1//EN"
"http://www.oasis-open.org/committees/entity/release/1.0/
catalog.dtd">
<catalog xmlns="urn:oasis:names:tc:entity:xmlns:xml:catalog"
prefer="public">
<public publicId="-//NEDRON//FOO Base Types V1.0//EN"
uri="basetypes.xsd"/>
<public publicId="-//NEDRON//FOO Data Types V1.0//EN"
uri="datatypes.xsd"/>
<public publicId="-//NEDRON//FOO Test V1.0//EN" uri="test.xsd"/>
</catalog>
basetypes.xsd
===========
<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
xmlns:ipbt="-//NEDRON//FOO Base Types V1.0//EN"
elementFormDefault="qualified">
<!--Declare a number of generic type equivalents-->
<!-- string type -->
<xs:complexType name="stringType" abstract="true">
<xs:annotation>
<xs:documentation>Character strings.</xs:documentation>
</xs:annotation>
<xs:simpleContent>
<xs:extension base="xs:string"/>
</xs:simpleContent>
</xs:complexType>
</xs:schema>
datatypes.xsd
===========
<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
targetNamespace="-//NEDRON//FOO Data Types V1.0//EN"
xmlns:ipbt="-//NEDRON//FOO Base Types V1.0//EN"
xmlns:ipdt="-//NEDRON//FOO Data Types V1.0//EN"
elementFormDefault="qualified">
<!--Generic descriptive text type -->
<xs:import schemaLocation="ipbt.xsd"/>
<xs:complexType name="descriptionType" abstract="true">
<xs:annotation>
<xs:documentation>This is a generic descriptive text
entry.</xs:documentation>
</xs:annotation>
<xs:simpleContent>
<xs:extension base="stringType"/>
</xs:simpleContent>
</xs:complexType>
</xs:schema>
test.xsd
======
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
targetNamespace="-//NEDRON//FOO Test V1.0//EN"
xmlns:ipft="-//NEDRON//FOO Filter Types V1.0//EN"
xmlns:ipdt="-//NEDRON//FOO Data Types V1.0//EN"
elementFormDefault="qualified">
<xs:import schemaLocation="basetypes.xsd"/>
<xs:import schemaLocation="datatypes.xsd"/>
<xs:element name="ruleset">
<xs:complexType>
<xs:sequence>
<xs:element name="rule" minOccurs="1"
maxOccurs="unbounded">
<xs:complexType>
<xs:sequence>
<xs:element name="name"
type="descriptionType"
minOccurs="1" maxOccurs="1"/>
<xs:element name="desc"
type="descriptionType"
minOccurs="1" maxOccurs="1"/>
<xs:element name="vdesc"
type="descriptionType"
minOccurs="1" maxOccurs="1"/>
</xs:sequence>
</xs:complexType>
</xs:element>
</xs:sequence>
</xs:complexType>
</xs:element>
</xs:schema>
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