1<?xml version="1.0" encoding="UTF-8"?>
2<!-- $Header: /home/cvsroot/w3c-xml-schema/user/examples/first-complex-types.xsd,v 1.1 2001/11/12 20:54:00 vdv Exp $ -->
3<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
4
5  <xs:simpleType name="string255">
6    <xs:restriction base="xs:token">
7      <xs:maxLength value="255"/>
8    </xs:restriction>
9  </xs:simpleType>
10
11  <xs:simpleType name="string32">
12    <xs:restriction base="xs:token">
13      <xs:maxLength value="32"/>
14    </xs:restriction>
15  </xs:simpleType>
16
17  <xs:simpleType name="isbn">
18    <xs:restriction base="xs:unsignedLong">
19      <xs:totalDigits value="10"/>
20      <xs:pattern value="\d{10}"/>
21    </xs:restriction>
22  </xs:simpleType>
23
24  <xs:simpleType name="bookID">
25    <xs:restriction base="xs:ID">
26      <xs:pattern value="b\d{10}"/>
27    </xs:restriction>
28  </xs:simpleType>
29
30  <xs:simpleType name="supportedLanguages">
31    <xs:restriction base="xs:language">
32      <xs:enumeration value="en"/>
33      <xs:enumeration value="es"/>
34    </xs:restriction>
35  </xs:simpleType>
36
37  <xs:simpleType name="date">
38    <xs:restriction base="xs:date">
39      <xs:pattern value="[^:Z]*"/>
40    </xs:restriction>
41  </xs:simpleType>
42
43  <xs:element name="name" type="string32"/>
44  <xs:element name="qualification" type="string255"/>
45  <xs:element name="born" type="date"/>
46  <xs:element name="dead" type="date"/>
47  <xs:element name="isbn" type="isbn"/>
48
49  <xs:attribute name="id" type="xs:ID"/>
50  <xs:attribute name="available" type="xs:boolean"/>
51  <xs:attribute name="lang" type="supportedLanguages"/>
52
53  <xs:complexType name="elementWithID">
54    <xs:attribute ref="id"/>
55  </xs:complexType>
56
57  <xs:complexType name="bookTmp">
58    <xs:complexContent>
59      <xs:extension base="elementWithID">
60        <xs:sequence>
61          <xs:element ref="isbn"/>
62          <xs:element ref="title"/>
63          <xs:element ref="author" minOccurs="0" maxOccurs="unbounded"/>
64          <xs:element ref="character" minOccurs="0" maxOccurs="unbounded"/>
65        </xs:sequence>
66        <xs:attribute ref="available"/>
67      </xs:extension>
68    </xs:complexContent>
69  </xs:complexType>
70
71  <xs:complexType name="personType">
72    <xs:complexContent>
73      <xs:extension base="elementWithID">
74        <xs:sequence>
75          <xs:element ref="name"/>
76          <xs:element ref="born"/>
77          <xs:element ref="dead" minOccurs="0"/>
78          <xs:element ref="qualification"  minOccurs="0"/>
79        </xs:sequence>
80      </xs:extension>
81    </xs:complexContent>
82  </xs:complexType>
83
84  <xs:element name="title">
85    <xs:complexType>
86      <xs:simpleContent>
87        <xs:extension base="string255">
88          <xs:attribute ref="lang"/>
89        </xs:extension>
90      </xs:simpleContent>
91    </xs:complexType>
92  </xs:element>
93
94  <xs:element name="library">
95    <xs:complexType>
96      <xs:sequence>
97        <xs:element ref="book" maxOccurs="unbounded"/>
98      </xs:sequence>
99    </xs:complexType>
100  </xs:element>
101
102  <xs:element name="book">
103    <xs:complexType>
104      <xs:complexContent>
105        <xs:restriction base="bookTmp">
106          <xs:sequence>
107            <xs:element ref="isbn"/>
108            <xs:element ref="title"/>
109            <xs:element ref="author" minOccurs="0" maxOccurs="unbounded"/>
110            <xs:element ref="character" minOccurs="0" maxOccurs="unbounded"/>
111          </xs:sequence>
112          <xs:attribute name="id" type="bookID"/>
113          <xs:attribute ref="available"/>
114        </xs:restriction>
115      </xs:complexContent>
116    </xs:complexType>
117  </xs:element>
118
119  <xs:element name="author">
120    <xs:complexType>
121      <xs:complexContent>
122        <xs:restriction base="personType">
123          <xs:sequence>
124            <xs:element ref="name"/>
125            <xs:element ref="born"/>
126            <xs:element ref="dead" minOccurs="0"/>
127          </xs:sequence>
128          <xs:attribute ref="id"/>
129        </xs:restriction>
130      </xs:complexContent>
131    </xs:complexType>
132  </xs:element>
133
134
135  <xs:element name="character">
136    <xs:complexType>
137      <xs:complexContent>
138        <xs:restriction base="personType">
139          <xs:sequence>
140            <xs:element ref="name"/>
141            <xs:element ref="born"/>
142            <xs:element ref="qualification"/>
143          </xs:sequence>
144          <xs:attribute ref="id"/>
145        </xs:restriction>
146      </xs:complexContent>
147    </xs:complexType>
148  </xs:element>
149
150</xs:schema>
151