Chapter 08: Simple types¶

Schema

<!--Definitive XML Schema by Priscilla Walmsley (c) 2012 Prentice Hall PTR -->
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema">

  <xsd:annotation>
    <xsd:documentation>
      This example illustrates various simple type restrictions using bounds facets,
      patterns, and enumerations. White space is used in the instance to illustrate
      that white space processing takes place before validation.
    </xsd:documentation>
  </xsd:annotation>


  <xsd:element name="sizes" type="SizesType"/>

  <xsd:complexType name="SizesType">
    <xsd:choice maxOccurs="unbounded">
      <xsd:element name="dressSize" type="DressSizeType"/>
      <xsd:element name="mediumDressSize" type="MediumDressSizeType"/>
      <xsd:element name="smallDressSize" type="SmallDressSizeType"/>
      <xsd:element name="smlxSize" type="SMLXSizeType"/>
      <xsd:element name="xsmlxSize" type="XSMLXSizeType"/>
    </xsd:choice>
  </xsd:complexType>

  <xsd:simpleType name="DressSizeType">
    <xsd:restriction base="xsd:integer">
      <xsd:minInclusive value="2"/>
      <xsd:maxInclusive value="18"/>
      <xsd:pattern value="\d{1,2}"/>
    </xsd:restriction>
  </xsd:simpleType>

  <xsd:simpleType name="MediumDressSizeType">
    <xsd:restriction base="DressSizeType">
      <xsd:minInclusive value="8"/>
      <xsd:maxInclusive value="12"/>
    </xsd:restriction>
  </xsd:simpleType>

  <xsd:simpleType name="SmallDressSizeType">
    <xsd:restriction base="DressSizeType">
      <xsd:minInclusive value="2"/>
      <xsd:maxInclusive value="6"/>
      <xsd:pattern value="\d{1}"/>
    </xsd:restriction>
  </xsd:simpleType>

  <xsd:simpleType name="SMLXSizeType">
    <xsd:restriction base="xsd:token">
      <xsd:enumeration value="small"/>
      <xsd:enumeration value="medium"/>
      <xsd:enumeration value="large"/>
      <xsd:enumeration value="extra large"/>
    </xsd:restriction>
  </xsd:simpleType>

  <xsd:simpleType name="XSMLXSizeType">
    <xsd:union memberTypes="SMLXSizeType">
      <xsd:simpleType>
        <xsd:restriction base="xsd:token">
          <xsd:enumeration value="extra small"/>
        </xsd:restriction>
      </xsd:simpleType>
    </xsd:union>
  </xsd:simpleType>

</xsd:schema>

XML Document

<sizes xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:noNamespaceSchemaLocation="chapter09.xsd">
  <dressSize>06</dressSize>
  <mediumDressSize>12</mediumDressSize>
  <smallDressSize>6</smallDressSize>
  <smlxSize>extra large</smlxSize>
  <xsmlxSize>extra small</xsmlxSize>
</sizes>

xsData XML Document

<?xml version='1.0' encoding='UTF-8'?>
<sizes>
  <dressSize>6</dressSize>
  <mediumDressSize>12</mediumDressSize>
  <smallDressSize>6</smallDressSize>
  <smlxSize>extra large</smlxSize>
  <xsmlxSize>extra small</xsmlxSize>
</sizes>

xsData JSON

{
    "dress_size": [
        6
    ],
    "medium_dress_size": [
        12
    ],
    "small_dress_size": [
        6
    ],
    "smlx_size": [
        "extra large"
    ],
    "xsmlx_size": [
        "extra small"
    ]
}

Samples Source