XmlSchemaComplexContent クラスとは何？わかりやすく解説 Weblio辞書

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XmlSchemaComplexContent クラス

W3C (World Wide Web Consortium) で指定された XML スキーマの complexContent 要素を表します。このクラスは、複合型の複合コンテンツモデルを表します。要素のみ、または混合コンテンツを含む複合型に対しての拡張または制限を格納します。

名前空間: System.Xml.Schema
アセンブリ: System.Xml (system.xml.dll 内)
構文

Visual Basic (宣言)

Public Class XmlSchemaComplexContent
    Inherits XmlSchemaContentModel

Visual Basic (使用法)

Dim instance As XmlSchemaComplexContent

public class XmlSchemaComplexContent : XmlSchemaContentModel

C++

public ref class XmlSchemaComplexContent :
 public XmlSchemaContentModel

public class XmlSchemaComplexContent extends
 XmlSchemaContentModel

JScript

public class XmlSchemaComplexContent extends
 XmlSchemaContentModel

使用例

complexContent 要素を作成する例を次に示します。

Visual Basic

Option Strict On
Option Explicit On

Imports System
Imports System.Xml
Imports System.Xml.Schema

Class XMLSchemaExamples

    Public Shared Sub Main()
        Dim schema As New
 XmlSchema()

        ' <xs:complexType name="address">
        Dim address As New
 XmlSchemaComplexType()
        schema.Items.Add(address)
        address.Name = "address"

        ' <xs:sequence>
        Dim sequence As New
 XmlSchemaSequence()
        address.Particle = sequence

        ' <xs:element name="name"   type="xs:string"/>
        Dim elementName As New
 XmlSchemaElement()
        sequence.Items.Add(elementName)
        elementName.Name = "name"
        elementName.SchemaTypeName = New XmlQualifiedName("string",
 "http://www.w3.org/2001/XMLSchema")

        ' <xs:element name="street"   type="xs:string"/>
        Dim elementStreet As New
 XmlSchemaElement()
        sequence.Items.Add(elementStreet)
        elementStreet.Name = "street"
        elementStreet.SchemaTypeName = New XmlQualifiedName("string",
 "http://www.w3.org/2001/XMLSchema")

        ' <xs:element name="city"   type="xs:string"/>
        Dim elementCity As New
 XmlSchemaElement()
        sequence.Items.Add(elementCity)
        elementCity.Name = "city"
        elementCity.SchemaTypeName = New XmlQualifiedName("string",
 "http://www.w3.org/2001/XMLSchema")

        ' <xs:complexType name="USAddress">
        Dim USAddress As New
 XmlSchemaComplexType()
        schema.Items.Add(USAddress)
        USAddress.Name = "USAddress"

        ' <xs:complexContent>
        Dim complexContent As New
 XmlSchemaComplexContent()
        USAddress.ContentModel = complexContent

        ' <xs:extension base="address">
        Dim extensionAddress As New
 XmlSchemaComplexContentExtension()
        complexContent.Content = extensionAddress
        extensionAddress.BaseTypeName = New XmlQualifiedName("address")

        ' <xs:sequence>
        Dim sequence2 As New
 XmlSchemaSequence()
        extensionAddress.Particle = sequence2

        ' <xs:element name="state" type="xs:string"/>
        Dim elementUSState As New
 XmlSchemaElement()
        sequence2.Items.Add(elementUSState)
        elementUSState.Name = "state"
        elementUSState.SchemaTypeName = New XmlQualifiedName("string",
 "http://www.w3.org/2001/XMLSchema")


        ' <xs:element name="zipcode" type="xs:positiveInteger"/>
        Dim elementZipcode As New
 XmlSchemaElement()
        sequence2.Items.Add(elementZipcode)
        elementZipcode.Name = "zipcode"
        elementZipcode.SchemaTypeName = New XmlQualifiedName("positiveInteger",
 "http://www.w3.org/2001/XMLSchema")

        Dim schemaSet As New
 XmlSchemaSet()
        AddHandler schemaSet.ValidationEventHandler, AddressOf
 ValidationCallbackOne

        schemaSet.Add(schema)
        schemaSet.Compile()

        Dim compiledSchema As XmlSchema = Nothing

        For Each schema1 As
 XmlSchema In schemaSet.Schemas()
            compiledSchema = schema1
        Next

        Dim nsmgr As New
 XmlNamespaceManager(New NameTable())
        nsmgr.AddNamespace("xs", "http://www.w3.org/2001/XMLSchema")
        compiledSchema.Write(Console.Out, nsmgr)
    End Sub 'Main


    Public Shared Sub ValidationCallbackOne(ByVal
 sender As Object, ByVal
 args As ValidationEventArgs)

        Console.WriteLine(args.Message)
    End Sub 'ValidationCallbackOne
End Class 'XMLSchemaExamples

using System;
using System.Xml;
using System.Xml.Schema;

class XMLSchemaExamples
{
    public static void Main()
    {

        XmlSchema schema = new XmlSchema();

        // <xs:complexType name="address">
        XmlSchemaComplexType address = new XmlSchemaComplexType();
        schema.Items.Add(address);
        address.Name = "address";

        // <xs:sequence>
        XmlSchemaSequence sequence = new XmlSchemaSequence();
        address.Particle = sequence;

        // <xs:element name="name"   type="xs:string"/>
        XmlSchemaElement elementName = new XmlSchemaElement();
        sequence.Items.Add(elementName);
        elementName.Name = "name";
        elementName.SchemaTypeName = new XmlQualifiedName("string",
 "http://www.w3.org/2001/XMLSchema");

        // <xs:element name="street"   type="xs:string"/>
        XmlSchemaElement elementStreet = new XmlSchemaElement();
        sequence.Items.Add(elementStreet);
        elementStreet.Name = "street";
        elementStreet.SchemaTypeName = new XmlQualifiedName("string",
 "http://www.w3.org/2001/XMLSchema");

        // <xs:element name="city"   type="xs:string"/>
        XmlSchemaElement elementCity = new XmlSchemaElement();
        sequence.Items.Add(elementCity);
        elementCity.Name = "city";
        elementCity.SchemaTypeName = new XmlQualifiedName("string",
 "http://www.w3.org/2001/XMLSchema");

        // <xs:complexType name="USAddress">
        XmlSchemaComplexType USAddress = new XmlSchemaComplexType();
        schema.Items.Add(USAddress);
        USAddress.Name = "USAddress";

        // <xs:complexContent>
        XmlSchemaComplexContent complexContent = new XmlSchemaComplexContent();
        USAddress.ContentModel = complexContent;

        // <xs:extension base="address">
        XmlSchemaComplexContentExtension extensionAddress = new
 XmlSchemaComplexContentExtension();
        complexContent.Content = extensionAddress;
        extensionAddress.BaseTypeName = new XmlQualifiedName("address");

        // <xs:sequence>
        XmlSchemaSequence sequence2 = new XmlSchemaSequence();
        extensionAddress.Particle = sequence2;

        // <xs:element name="state" type="xs:string"/>
        XmlSchemaElement elementUSState = new XmlSchemaElement();
        sequence2.Items.Add(elementUSState);
        elementUSState.Name = "state";
        elementUSState.SchemaTypeName = new XmlQualifiedName("string",
 "http://www.w3.org/2001/XMLSchema");


        // <xs:element name="zipcode" type="xs:positiveInteger"/>
        XmlSchemaElement elementZipcode = new XmlSchemaElement();
        sequence2.Items.Add(elementZipcode);
        elementZipcode.Name = "zipcode";
        elementZipcode.SchemaTypeName = new XmlQualifiedName("positiveInteger",
 "http://www.w3.org/2001/XMLSchema");

        XmlSchemaSet schemaSet = new XmlSchemaSet();
        schemaSet.ValidationEventHandler += new ValidationEventHandler(ValidationCallbackOne);
        schemaSet.Add(schema);
        schemaSet.Compile();

        XmlSchema compiledSchema = null;

        foreach (XmlSchema schema1 in schemaSet.Schemas())
        {
            compiledSchema = schema1;
        }

        XmlNamespaceManager nsmgr = new XmlNamespaceManager(new
 NameTable());
        nsmgr.AddNamespace("xs", "http://www.w3.org/2001/XMLSchema");
        compiledSchema.Write(Console.Out, nsmgr);
    }

    public static void ValidationCallbackOne(object
 sender, ValidationEventArgs args)
    {

        Console.WriteLine(args.Message);
    }
}

前述のコード例に対して生成される XML ファイルを次に示します。

<?xml version="1.0" encoding="IBM437"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
    <xs:complexType name="address">
        <xs:sequence>
            <xs:element name="name"
   type="xs:string"/>
            <xs:element name="street"
 type="xs:string"/>
            <xs:element name="city"
   type="xs:string"/>
        </xs:sequence>
    </xs:complexType>

    <xs:complexType name="USAddress">
        <xs:complexContent mixed="false">
            <xs:extension base="address">
                <xs:sequence>
                    <xs:element name="state"
 type="xs:string"/>
                    <xs:element name="zipcode"
 type="xs:positiveInteger"/>
                </xs:sequence>
            </xs:extension>
        </xs:complexContent>
    </xs:complexType>
</xs:schema>

継承階層

System.Object
   System.Xml.Schema.XmlSchemaObject
     System.Xml.Schema.XmlSchemaAnnotated
       System.Xml.Schema.XmlSchemaContentModel
        System.Xml.Schema.XmlSchemaComplexContent

スレッドセーフ

この型の public static (Visual Basic では Shared) メンバはすべて、スレッドセーフです。インスタンスメンバの場合は、スレッドセーフであるとは限りません。

プラットフォーム

Windows 98, Windows 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition