68 lines
3.5 KiB
XML
68 lines
3.5 KiB
XML
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<?xml version="1.0" encoding="UTF-8"?>
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<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
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<!-- Определение элемента "library", который содержит один или более элементов "book" -->
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<xs:element name="library">
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<xs:complexType>
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<xs:sequence>
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<xs:element name="book" maxOccurs="unbounded" minOccurs="1">
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<xs:complexType>
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<xs:sequence>
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<xs:element name="title">
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<xs:simpleType>
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<xs:restriction base="xs:string">
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<xs:minLength value="5"/>
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</xs:restriction>
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</xs:simpleType>
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</xs:element>
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<xs:element name="author">
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<xs:simpleType>
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<xs:restriction base="xs:string">
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<xs:minLength value="5"/>
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</xs:restriction>
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</xs:simpleType>
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</xs:element>
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<xs:element name="genre">
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<xs:simpleType>
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<xs:restriction base="xs:string">
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<xs:enumeration value="Fiction"/>
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<xs:enumeration value="Non-Fiction"/>
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<xs:enumeration value="Fantasy"/>
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<xs:enumeration value="Mystery"/>
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<xs:enumeration value="History"/>
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</xs:restriction>
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</xs:simpleType>
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</xs:element>
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<!-- Описание для year -->
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<xs:element name="year" type="xs:gYear"/>
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<xs:element name="era">
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<xs:simpleType>
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<xs:restriction base="xs:string">
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<xs:enumeration value="BC"/> <!-- До нашей эры -->
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<xs:enumeration value="AD"/> <!-- Наша эра -->
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</xs:restriction>
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</xs:simpleType>
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</xs:element>
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</xs:sequence>
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<xs:attribute name="ISBN">
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<xs:simpleType>
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<xs:restriction base="xs:string">
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<xs:pattern value="(\d{10}|\d{13})"/> <!-- Шаблон для ISBN-10 или ISBN-13 -->
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</xs:restriction>
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</xs:simpleType>
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</xs:attribute>
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<xs:attribute name="available" type="xs:boolean" use="required" />
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<xs:attribute name="publisher" type="xs:string" use="optional" />
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<xs:attribute name="language" type="xs:string" use="optional" />
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</xs:complexType>
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</xs:element>
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</xs:sequence>
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</xs:complexType>
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</xs:element>
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</xs:schema>
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