Definitive XML Schema by Priscilla Walmsley

Author:Priscilla Walmsley
Language: eng
Format: epub
Publisher: Pearson Education Limited (US titles)
Published: 2013-09-14T16:00:00+00:00

Example 14–13. An assertion with a multistep path

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<xs:element name="catalog" type="CatalogType"/>

<xs:complexType name="CatalogType">

<xs:sequence>

<xs:element name="product" type="ProductType"

maxOccurs="unbounded"/>

</xs:sequence>

<xs:attribute name="maxNumber" type="xs:integer"/>

<xs:assert test="not(max(product/number) > @maxNumber)"/>

</xs:complexType>

<xs:complexType name="ProductType">

<xs:sequence>

<xs:element name="number" type="xs:integer"/>

<xs:element name="name" type="xs:string"/>

<xs:element name="size" type="xs:integer"/>

</xs:sequence>

<xs:attribute name="dept" type="xs:string"/>

</xs:complexType>

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