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https://git.femboyfinancial.jp/james/lipsync.git
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210 lines
9.1 KiB
C#
210 lines
9.1 KiB
C#
/*
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* XmlStaticMemberSerializer.cs
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* Copyright (c) 2009 kbinani
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*
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* This file is part of Boare.Lib.AppUtil.
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*
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* Boare.Lib.AppUtil is free software; you can redistribute it and/or
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* modify it under the terms of the BSD License.
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*
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* Boare.Lib.AppUtil is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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*/
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using System;
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using System.CodeDom.Compiler;
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using System.Collections.Generic;
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using System.IO;
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using System.Reflection;
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using System.Xml.Serialization;
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using Microsoft.CSharp;
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namespace Boare.Lib.AppUtil {
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/// <summary>
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/// クラスのstaticメンバーのxmlシリアライズ/デシリアライズを行うclass
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/// </summary>
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public class XmlStaticMemberSerializer {
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/// <summary>
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/// ターゲットとなるクラスから，シリアライズするメンバーを抽出する時に使用
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/// </summary>
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private class MemberEntry {
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/// <summary>
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/// プロパティ/フィールドの名前
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/// </summary>
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public string Name;
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/// <summary>
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/// プロパティ/フィールドの型
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/// </summary>
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public Type Type;
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/// <summary>
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/// プロパティ/フィールドのデフォルト値
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/// </summary>
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public object Default;
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public MemberEntry( string name, Type type, object default_ ) {
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Name = name;
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Type = type;
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Default = default_;
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}
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}
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/// <summary>
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/// シリアライズする対象の型．staticメンバーだけなので，インスタンスではなく型を保持
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/// </summary>
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private Type m_item;
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/// <summary>
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/// シリアライズ/デシリアライズするための内部型
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/// </summary>
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private Type m_config_type = null;
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/// <summary>
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/// m_config_typeで初期化されたシリアライザ
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/// </summary>
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private XmlSerializer m_xs = null;
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private XmlStaticMemberSerializer() {
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}
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/// <summary>
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/// 指定された型をシリアライズするための初期化を行います
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/// </summary>
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/// <param name="item"></param>
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public XmlStaticMemberSerializer( Type item ) {
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m_item = item;
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}
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/// <summary>
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/// シリアライズを行い，ストリームに書き込みます
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/// </summary>
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/// <param name="stream"></param>
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public void Serialize( Stream stream ) {
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if ( m_config_type == null ) {
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GenerateConfigType();
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}
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ConstructorInfo ci = m_config_type.GetConstructor( new Type[]{} );
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object config = ci.Invoke( new object[]{} );
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foreach ( FieldInfo target in m_config_type.GetFields() ) {
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foreach ( PropertyInfo pi in m_item.GetProperties( BindingFlags.Public | BindingFlags.Static ) ) {
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if ( target.Name == pi.Name && target.FieldType.Equals( pi.PropertyType ) && pi.CanRead && pi.CanWrite ) {
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target.SetValue( config, pi.GetValue( m_item, new object[] { } ) );
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break;
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}
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}
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foreach ( FieldInfo fi in m_item.GetFields( BindingFlags.Public | BindingFlags.Static ) ) {
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if ( target.Name == fi.Name && target.FieldType.Equals( fi.FieldType ) ) {
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target.SetValue( config, fi.GetValue( m_item ) );
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break;
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}
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}
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}
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m_xs.Serialize( stream, config );
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}
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/// <summary>
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/// 指定したストリームを使って，デシリアライズを行います
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/// </summary>
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/// <param name="stream"></param>
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public void Deserialize( Stream stream ) {
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if ( m_config_type == null ) {
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GenerateConfigType();
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}
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object config = m_xs.Deserialize( stream );
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if ( config == null ) {
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throw new ApplicationException( "failed serializing internal config object" );
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}
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foreach ( FieldInfo target in m_config_type.GetFields() ) {
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foreach ( PropertyInfo pi in m_item.GetProperties( BindingFlags.Public | BindingFlags.Static ) ) {
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if ( target.Name == pi.Name && target.FieldType.Equals( pi.PropertyType ) && pi.CanRead && pi.CanWrite ) {
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pi.SetValue( m_item, target.GetValue( config ), new object[] { } );
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break;
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}
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}
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foreach ( FieldInfo fi in m_item.GetFields( BindingFlags.Public | BindingFlags.Static ) ) {
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if ( target.Name == fi.Name && target.FieldType.Equals( fi.FieldType ) ) {
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fi.SetValue( m_item, target.GetValue( config ) );
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break;
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}
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}
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}
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}
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/// <summary>
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/// シリアライズ用の内部型をコンパイルし，m_xsが使用できるようにします
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/// </summary>
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private void GenerateConfigType() {
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List<MemberEntry> config_names = CollectScriptConfigEntries( m_item );
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string code = GenerateClassCodeForXmlSerialization( config_names, m_item );
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CSharpCodeProvider provider = new CSharpCodeProvider();
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CompilerParameters parameters = new CompilerParameters();
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parameters.ReferencedAssemblies.Add( "System.Windows.Forms.dll" );
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parameters.ReferencedAssemblies.Add( "System.dll" );
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parameters.ReferencedAssemblies.Add( "System.Drawing.dll" );
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parameters.ReferencedAssemblies.Add( "System.Xml.dll" );
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parameters.GenerateInMemory = true;
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parameters.GenerateExecutable = false;
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parameters.IncludeDebugInformation = true;
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CompilerResults results = provider.CompileAssemblyFromSource( parameters, code );
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Assembly asm = results.CompiledAssembly;
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if ( asm.GetTypes().Length <= 0 ) {
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m_config_type = null;
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m_xs = null;
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throw new ApplicationException( "failed generating internal xml serizlizer" );
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} else {
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m_config_type = (asm.GetTypes())[0];
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m_xs = new XmlSerializer( m_config_type );
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}
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}
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/// <summary>
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/// 設定ファイルから読込むための型情報を蒐集
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/// </summary>
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/// <param name="item"></param>
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/// <returns></returns>
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private static List<MemberEntry> CollectScriptConfigEntries( Type item ) {
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List<MemberEntry> config_names = new List<MemberEntry>();
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foreach ( PropertyInfo pi in item.GetProperties( BindingFlags.Static | BindingFlags.Public ) ) {
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object[] attrs = pi.GetCustomAttributes( true );
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foreach ( object obj in attrs ) {
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if ( obj.GetType().Equals( typeof( System.Xml.Serialization.XmlIgnoreAttribute ) ) ) {
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continue;
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}
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}
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if ( pi.CanRead && pi.CanWrite ) {
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config_names.Add( new MemberEntry( pi.Name, pi.PropertyType, pi.GetValue( item, new object[] { } ) ) );
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}
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}
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foreach ( FieldInfo fi in item.GetFields( BindingFlags.Static | BindingFlags.Public ) ) {
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object[] attrs = fi.GetCustomAttributes( true );
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foreach ( object obj in attrs ) {
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if ( obj.GetType().Equals( typeof( System.Xml.Serialization.XmlIgnoreAttribute ) ) ) {
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continue;
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}
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}
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config_names.Add( new MemberEntry( fi.Name, fi.FieldType, fi.GetValue( item ) ) );
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}
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return config_names;
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}
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/// <summary>
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/// 指定した型から、Reflectionを使ってxmlシリアライズ用のクラスをコンパイルするためのC#コードを作成します
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/// </summary>
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/// <param name="implemented"></param>
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/// <returns></returns>
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private static string GenerateClassCodeForXmlSerialization( List<MemberEntry> config_names, Type item ) {
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// XmlSerialization用の型を作成
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string code = "";
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code += "using System;\n";
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code += "namespace Boare.Lib.AppUtil{\n";
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code += " public class StaticMembersOf" + item.Name + "{\n";
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foreach ( MemberEntry entry in config_names ) {
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code += " public " + entry.Type.ToString() + " " + entry.Name + ";\n";
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}
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code += " }\n";
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code += "}\n";
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return code;
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}
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}
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}
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