redefine
XML Schema redefine elementi
❮ To‘liq XML Schema ma’lumotnomasi
Ta’rif va qo‘llanilishi
redefine elementi tashqi sxemadagi oddiy va murakkab tiplar, guruhlar va atribut guruhlarini qayta aniqlaydi.
Element haqida ma’lumot
- Ota elementlar: schema
Sintaksis
<redefine
id=ID
schemaLocation=anyURI
any attributes
>
(annotation|(simpleType|complexType|group|attributeGroup))*
</redefine>| Atribut | Tavsif |
|---|---|
| id | Ixtiyoriy. Element uchun noyob ID belgilaydi |
| schemaLocation | Majburiy. Sxema hujjati joylashgan manzilni ko‘rsatuvchi URI |
| any attributes | Ixtiyoriy. Sxemaga oid bo‘lmagan nomlar fazosidagi boshqa har qanday atributlarni belgilaydi |
1-misol
Quyidagi misolda Myschema1.xsd’da belgilangan elementlarga ega Myschema2.xsd sxemasi ko‘rsatilgan. pname tipi qayta aniqlangan. Ushbu sxemaga ko‘ra, pname tipi bilan cheklangan elementlar "country" elementi bilan tugashi kerak:
Myschema1.xsd:
<?xml version="1.0"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
<xs:complexType name="pname">
<xs:sequence>
<xs:element name="firstname"/>
<xs:element name="lastname"/>
</xs:sequence>
</xs:complexType>
<xs:element name="customer" type="pname"/>
</xs:schema>
Myschema2.xsd:
<?xml version="1.0"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
<xs:redefine schemaLocation="Myschema1.xsd">
<xs:complexType name="pname">
<xs:complexContent>
<xs:extension base="pname">
<xs:sequence>
<xs:element name="country"/>
</xs:sequence>
</xs:extension>
</xs:complexContent>
</xs:complexType>
</xs:redefine>
<xs:element name="author" type="pname"/>
</xs:schema>❮ To‘liq XML Schema ma’lumotnomasi
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