通过.NET Framework类以编程方式使用xsd.exe工具的功能(生成XSD架构的类)? [英] Programmatically use XSD.exe tool feature (generate class from XSD Schema) through .NET Framework classes?
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问题描述
我要生成一个XML XSD架构的一类,就像你可以用的 xsd.exe工具。
I want to generate a class from an XML XSD Schema, just as you can do with the Xsd.exe tool.
例如。 XSD.EXE /namespace:Generated.Xsd_1 /班/ outputdir:.. \类
有没有办法做到这一点的使用类在.NET Framework ,而不是通过独立工具?
Is there a way to do this by using classes in the .NET Framework instead of using the standalone tool?
推荐答案
无耻地从借这里:
using System;
using System.IO;
using System.Collections.Generic;
using System.Reflection;
using System.Text;
using System.Xml;
using System.Xml.Serialization;
using System.Xml.Schema;
using System.CodeDom;
using System.CodeDom.Compiler;
using Microsoft.CSharp;
using NUnit.Framework;
namespace XmlSchemaImporterTest
{
[TestFixture]
public class XsdToClassTests
{
// Test for XmlSchemaImporter
[Test]
public void XsdToClassTest()
{
// identify the path to the xsd
string xsdFileName = "Account.xsd";
string path = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
string xsdPath = Path.Combine(path, xsdFileName);
// load the xsd
XmlSchema xsd;
using(FileStream stream = new FileStream(xsdPath, FileMode.Open, FileAccess.Read))
{
xsd = XmlSchema.Read(stream, null);
}
Console.WriteLine("xsd.IsCompiled {0}", xsd.IsCompiled);
XmlSchemas xsds = new XmlSchemas();
xsds.Add(xsd);
xsds.Compile(null, true);
XmlSchemaImporter schemaImporter = new XmlSchemaImporter(xsds);
// create the codedom
CodeNamespace codeNamespace = new CodeNamespace("Generated");
XmlCodeExporter codeExporter = new XmlCodeExporter(codeNamespace);
List maps = new List();
foreach(XmlSchemaType schemaType in xsd.SchemaTypes.Values)
{
maps.Add(schemaImporter.ImportSchemaType(schemaType.QualifiedName));
}
foreach(XmlSchemaElement schemaElement in xsd.Elements.Values)
{
maps.Add(schemaImporter.ImportTypeMapping(schemaElement.QualifiedName));
}
foreach(XmlTypeMapping map in maps)
{
codeExporter.ExportTypeMapping(map);
}
RemoveAttributes(codeNamespace);
// Check for invalid characters in identifiers
CodeGenerator.ValidateIdentifiers(codeNamespace);
// output the C# code
CSharpCodeProvider codeProvider = new CSharpCodeProvider();
using(StringWriter writer = new StringWriter())
{
codeProvider.GenerateCodeFromNamespace(codeNamespace, writer, new CodeGeneratorOptions());
Console.WriteLine(writer.GetStringBuilder().ToString());
}
Console.ReadLine();
}
// Remove all the attributes from each type in the CodeNamespace, except
// System.Xml.Serialization.XmlTypeAttribute
private void RemoveAttributes(CodeNamespace codeNamespace)
{
foreach(CodeTypeDeclaration codeType in codeNamespace.Types)
{
CodeAttributeDeclaration xmlTypeAttribute = null;
foreach(CodeAttributeDeclaration codeAttribute in codeType.CustomAttributes)
{
Console.WriteLine(codeAttribute.Name);
if(codeAttribute.Name == "System.Xml.Serialization.XmlTypeAttribute")
{
xmlTypeAttribute = codeAttribute;
}
}
codeType.CustomAttributes.Clear();
if(xmlTypeAttribute != null)
{
codeType.CustomAttributes.Add(xmlTypeAttribute);
}
}
}
}
}
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