Created
August 1, 2012 14:28
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XPath to check a XML Schema (XSD) for elements and types that don't have range / size restrictions
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//xs:element[starts-with(@type, 'xs:')]/@name | |
| //xs:simpleType[ | |
xs:restriction[not(xs:length) and | |
not(xs:minInclusive and xs:maxInclusive) and | |
not(xs:maxLength) and not(xs:enumeration) and | |
not(starts-with(@base, 'xs:dateTime')) and | |
not(xs:pattern[not(empty(@value))])] | |
]/@name |
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<?xml version="1.0" encoding="UTF-8"?> | |
<!-- Schema source: w3schools http://www.w3schools.com/schema/schema_example.asp --> | |
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"> | |
<xs:simpleType name="stringtype"> | |
<xs:restriction base="xs:string"/> | |
</xs:simpleType> | |
<xs:simpleType name="inttype"> | |
<xs:restriction base="xs:positiveInteger"/> | |
</xs:simpleType> | |
<xs:simpleType name="dectype"> | |
<xs:restriction base="xs:decimal"/> | |
</xs:simpleType> | |
<xs:simpleType name="orderidtype"> | |
<xs:restriction base="xs:string"> | |
<xs:pattern value="[0-9]{6}"/> | |
</xs:restriction> | |
</xs:simpleType> | |
<xs:complexType name="shiptotype"> | |
<xs:sequence> | |
<xs:element name="name" type="stringtype"/> | |
<xs:element name="address" type="stringtype"/> | |
<xs:element name="city" type="stringtype"/> | |
<xs:element name="country" type="stringtype"/> | |
</xs:sequence> | |
</xs:complexType> | |
<xs:complexType name="itemtype"> | |
<xs:sequence> | |
<xs:element name="title" type="stringtype"/> | |
<xs:element name="note" type="stringtype" minOccurs="0"/> | |
<xs:element name="quantity" type="inttype"/> | |
<xs:element name="price" type="dectype"/> | |
</xs:sequence> | |
</xs:complexType> | |
<xs:complexType name="shipordertype"> | |
<xs:sequence> | |
<xs:element name="orderperson" type="stringtype"/> | |
<xs:element name="shipto" type="shiptotype"/> | |
<xs:element name="item" maxOccurs="unbounded" type="itemtype"/> | |
</xs:sequence> | |
<xs:attribute name="orderid" type="orderidtype" use="required"/> | |
</xs:complexType> | |
<xs:element name="shiporder" type="shipordertype"/> | |
</xs:schema> |
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This gist is helpful if you have to deal with large XSDs from external sources. Running check_xsd_xpath.xpath against shipping_sample_schema.xsd (or any of your XSD) using a XML tool like Altova XMLSpy will generate a list of elements and types that don't have size/type restrictions.
E.g. Output for shipping_sample_schema.xsd