如何把ini文件转换为xml

对于开发C/S系统的编程人员来说，ini文件是不会陌生的，当XML越来越普及的时候，如何把原来的INI文件转换程XML就成为一件棘手的事情。下面我把这方面的代码奉献给大家，如果有什么bug，欢迎批评指正：[email protected]。

frmMain.cs

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;

namespace Loki
{
 /// <summary>
 /// Summary description for Form1.
 /// </summary>
 public class frmMain : System.Windows.Forms.Form
 {
  public System.Windows.Forms.Button btnConvert;
  public System.Windows.Forms.TextBox txtXMLFileName;
  public System.Windows.Forms.Label Label2;
  public System.Windows.Forms.TextBox txtIniFileName;
  public System.Windows.Forms.Button btnClose;
  public System.Windows.Forms.Label Label1;

  /// <summary>
  /// Required designer variable.
  /// </summary>
  private System.ComponentModel.Container components = null;

  public frmMain()
  {
   //
   // Required for Windows Form Designer support
   //
   InitializeComponent();
  }

  /// <summary>
  /// Clean up any resources being used.
  /// </summary>
  protected override void Dispose( bool disposing )
  {
   if( disposing )
   {
    if (components != null)
    {
     components.Dispose();
    }
   }
   base.Dispose( disposing );
  }

  #region Windows Form Designer generated code
  /// <summary>
  /// Required method for Designer support - do not modify
  /// the contents of this method with the code editor.
  /// </summary>
  private void InitializeComponent()
  {
   this.btnConvert = new System.Windows.Forms.Button();
   this.txtXMLFileName = new System.Windows.Forms.TextBox();
   this.txtIniFileName = new System.Windows.Forms.TextBox();
   this.Label1 = new System.Windows.Forms.Label();
   this.btnClose = new System.Windows.Forms.Button();
   this.Label2 = new System.Windows.Forms.Label();
   this.SuspendLayout();
   //
   // btnConvert
   //
   this.btnConvert.BackColor = System.Drawing.SystemColors.Control;
   this.btnConvert.Cursor = System.Windows.Forms.Cursors.Default;
   this.btnConvert.Location = new System.Drawing.Point(160, 96);
   this.btnConvert.Name = "btnConvert";
   this.btnConvert.RightToLeft = System.Windows.Forms.RightToLeft.No;
   this.btnConvert.Size = new System.Drawing.Size(105, 25);
   this.btnConvert.TabIndex = 4;
   this.btnConvert.Text = "&Convert";
   this.btnConvert.Click += new System.EventHandler(this.btnConvert_Click);
   //
   // txtXMLFileName
   //
   this.txtXMLFileName.AcceptsReturn = true;
   this.txtXMLFileName.AutoSize = false;
   this.txtXMLFileName.BackColor = System.Drawing.SystemColors.Window;
   this.txtXMLFileName.Cursor = System.Windows.Forms.Cursors.IBeam;
   this.txtXMLFileName.ForeColor = System.Drawing.SystemColors.WindowText;
   this.txtXMLFileName.Location = new System.Drawing.Point(104, 48);
   this.txtXMLFileName.MaxLength = 0;
   this.txtXMLFileName.Name = "txtXMLFileName";
   this.txtXMLFileName.RightToLeft = System.Windows.Forms.RightToLeft.No;
   this.txtXMLFileName.Size = new System.Drawing.Size(273, 25);
   this.txtXMLFileName.TabIndex = 3;
   this.txtXMLFileName.Text = "";
   //
   // txtIniFileName
   //
   this.txtIniFileName.AcceptsReturn = true;
   this.txtIniFileName.AutoSize = false;
   this.txtIniFileName.BackColor = System.Drawing.SystemColors.Window;
   this.txtIniFileName.Cursor = System.Windows.Forms.Cursors.IBeam;
   this.txtIniFileName.ForeColor = System.Drawing.SystemColors.WindowText;
   this.txtIniFileName.Location = new System.Drawing.Point(104, 16);
   this.txtIniFileName.MaxLength = 0;
   this.txtIniFileName.Name = "txtIniFileName";
   this.txtIniFileName.RightToLeft = System.Windows.Forms.RightToLeft.No;
   this.txtIniFileName.Size = new System.Drawing.Size(273, 25);
   this.txtIniFileName.TabIndex = 1;
   this.txtIniFileName.Text = "E:\\Source\\Loki\\INI2XML\\VB.NET\\projINI2XML.NET\\Sample.ini";
   //
   // Label1
   //
   this.Label1.AutoSize = true;
   this.Label1.BackColor = System.Drawing.SystemColors.Control;
   this.Label1.Cursor = System.Windows.Forms.Cursors.Default;
   this.Label1.ForeColor = System.Drawing.SystemColors.ControlText;
   this.Label1.Location = new System.Drawing.Point(16, 24);
   this.Label1.Name = "Label1";
   this.Label1.RightToLeft = System.Windows.Forms.RightToLeft.No;
   this.Label1.Size = new System.Drawing.Size(68, 13);
   this.Label1.TabIndex = 0;
   this.Label1.Text = "INI Filename";
   //
   // btnClose
   //
   this.btnClose.BackColor = System.Drawing.SystemColors.Control;
   this.btnClose.Cursor = System.Windows.Forms.Cursors.Default;
   this.btnClose.DialogResult = System.Windows.Forms.DialogResult.Cancel;
   this.btnClose.Location = new System.Drawing.Point(272, 96);
   this.btnClose.Name = "btnClose";
   this.btnClose.RightToLeft = System.Windows.Forms.RightToLeft.No;
   this.btnClose.Size = new System.Drawing.Size(105, 25);
   this.btnClose.TabIndex = 5;
   this.btnClose.Text = "Close";
   this.btnClose.Click += new System.EventHandler(this.btnClose_Click);
   //
   // Label2
   //
   this.Label2.AutoSize = true;
   this.Label2.BackColor = System.Drawing.SystemColors.Control;
   this.Label2.Cursor = System.Windows.Forms.Cursors.Default;
   this.Label2.ForeColor = System.Drawing.SystemColors.ControlText;
   this.Label2.Location = new System.Drawing.Point(16, 56);
   this.Label2.Name = "Label2";
   this.Label2.RightToLeft = System.Windows.Forms.RightToLeft.No;
   this.Label2.Size = new System.Drawing.Size(77, 13);
   this.Label2.TabIndex = 2;
   this.Label2.Text = "XML Filename";
   //
   // frmMain
   //
   this.AcceptButton = this.btnConvert;
   this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
   this.CancelButton = this.btnClose;
   this.ClientSize = new System.Drawing.Size(392, 141);
   this.Controls.AddRange(new System.Windows.Forms.Control[] {
                    this.btnConvert,
                    this.txtXMLFileName,
                    this.Label2,
                    this.txtIniFileName,
                    this.btnClose,
                    this.Label1});
   this.Name = "frmMain";
   this.Text = "INI 2 XML";
   this.Load += new System.EventHandler(this.frmMain_Load);
   this.ResumeLayout(false);

  }
  #endregion

  /// <summary>
  /// The main entry point for the application.
  /// </summary>
  [STAThread]
  static void Main()
  {
   Application.Run(new frmMain());
  }

  private void frmMain_Load(object sender, System.EventArgs e)
  {   
  }

  private void btnConvert_Click(object sender, System.EventArgs e)
  {
   if (INI2XML.Convert( txtIniFileName.Text, txtXMLFileName.Text ))
    System.Windows.Forms.MessageBox.Show( "Successfully converted \"" + txtIniFileName.Text + "\" to \"" + txtXMLFileName.Text + "\"", this.Text, System.Windows.Forms.MessageBoxButtons.OK, System.Windows.Forms.MessageBoxIcon.Information );
   else
    System.Windows.Forms.MessageBox.Show( "Problem converting \"" + txtIniFileName.Text + "\" to \"" + txtXMLFileName.Text + "\"", this.Text, System.Windows.Forms.MessageBoxButtons.OK, System.Windows.Forms.MessageBoxIcon.Exclamation );
  }

  private void btnClose_Click(object sender, System.EventArgs e)
  {
   this.Close();
  }
 }
}

INI2XML.cs

using System;

namespace Loki
{
 using System.Runtime.InteropServices;

 /// <summary>
 /// WIN32 API Wrapper class
 /// </summary>
 public class WIN32Wrapper
 {
  /// <summary>
  /// Get all the section names from an INI file
  /// </summary>
  [ DllImport("kernel32.dll", EntryPoint="GetPrivateProfileSectionNamesA") ]
  public extern static int GetPrivateProfileSectionNames(
   [MarshalAs(UnmanagedType.LPArray)] byte[] lpReturnedString,
   int nSize,
   string lpFileName);

  /// <summary>
  /// Get all the settings from a section in a INI file
  /// </summary>
  [ DllImport("kernel32.dll", EntryPoint="GetPrivateProfileSectionA") ]
  public extern static int GetPrivateProfileSection(
   string lpAppName,
   [MarshalAs(UnmanagedType.LPArray)] byte[] lpReturnedString,
   int nSize,
   string lpFileName);
 }

 /// <summary>
 /// Convert an INI file into an XML file
 /// </summary>
 public class INI2XML
 {
  /// <summary>
  ///
  /// </summary>
  public INI2XML()
  {
  }
  
  /// <summary>
  /// Initial size of the buffer used when calling the Win32 API functions
  /// </summary>
  const int INITIAL_BUFFER_SIZE = 1024;

  /// <summary>
  /// Converts an INI file into an XML file.
  /// Output XML file has the following structure...
  ///   <?xml version="1.0"?>
  ///   <configuration>
  ///       <section name="Main">
  ///           <setting name="Timeout" value="90"/>
  ///           <setting name="Mode" value="Live"/>
  ///      </section>
  ///   </configuration>
  /// Example:
  /// if (Loki.INI2XML.Convert( txtIniFileName.Text ))
  ///  System.Console.WriteLine( "Successfully converted \"" + txtIniFileName.Text + "\" to xml" );
  /// else
  ///  System.Console.WriteLine( "Problem converting \"" + txtIniFileName.Text + "\" to xml" );
  /// If an exception is raised, it is passed on to the caller.
  /// </summary>
  /// <param name="strINIFileName">File name of the INI file to convert</param>
  /// <returns>True if successfuly, or False if a problem</returns>
  public static bool Convert( string strINIFileName )
  {
   return Convert( strINIFileName, "" );
  }

  /// <summary>
  /// Converts an INI file into an XML file.
  /// Output XML file has the following structure...
  ///   <?xml version="1.0"?>
  ///   <configuration>
  ///       <section name="Main">
  ///           <setting name="Timeout" value="90"/>
  ///           <setting name="Mode" value="Live"/>
  ///      </section>
  ///   </configuration>
  /// Example:
  /// if (Loki.INI2XML.Convert( txtIniFileName.Text, txtXMLFileName.Text ))
  ///  System.Console.WriteLine( "Successfully converted \"" + txtIniFileName.Text + "\" to \"" + txtXMLFileName.Text + "\"" );
  /// else
  ///  System.Console.WriteLine( "Problem converting \"" + txtIniFileName.Text + "\" to \"" + txtXMLFileName.Text + "\"" );
  /// If an exception is raised, it is passed on to the caller.
  /// </summary>
  /// <param name="strINIFileName">File name of the INI file to convert</param>
  /// <param name="strXMLFileName">File name of the XML file that is created</param>
  /// <returns>True if successfuly, or False if a problem</returns>
  public static bool Convert( string strINIFileName, string strXMLFileName )
  {
   char[] charEquals = {'='};
   string lpSections;
   int nSize;
   int nMaxSize;
   string strSection;
   int intSection;
   int intNameValue;
   string strName;
   string strValue;
   string strNameValue;
   string lpNameValues;
   int intPos;
   byte[] str = new byte[1];
   System.IO.StreamWriter fileStream;
   
   if ( strXMLFileName.Length == 0 )
   {
    // set the XML's file name based on the INI file name
    intPos = strINIFileName.LastIndexOf( ".ini" );
    if ( intPos >= 0 )
    {
     strXMLFileName = strINIFileName.Substring( 0, intPos ) + ".xml";
    }
    else
    {
     strXMLFileName = strINIFileName + ".xml";
    }
   }
   
   // Get all sections names
   // Making sure allocate enough space for data returned
   for (nMaxSize = INITIAL_BUFFER_SIZE / 2,
     nSize = nMaxSize;
     nSize != 0 && nSize >= (nMaxSize-2);
     nMaxSize *= 2)
   {
    str = new byte[nMaxSize];
    nSize = WIN32Wrapper.GetPrivateProfileSectionNames( str, nMaxSize, strINIFileName);
   }

   // convert the byte array into a .NET string
   lpSections = System.Text.Encoding.ASCII.GetString( str );
  
   // Create XML File
   fileStream = System.IO.File.CreateText( strXMLFileName );

   // Write the opening xml
   fileStream.WriteLine( "<?xml version=\"1.0\"?><configuration>" );
  
   // Loop through each section
   char[] charNull = {'\0'};
   for (intSection = 0,
     strSection = GetToken(lpSections, charNull, intSection);
     strSection.Length > 0;
     strSection = GetToken(lpSections, charNull, ++intSection) )
   {
    // Write a Node for the Section
    fileStream.WriteLine( "<section name=\"" + strSection + "\">" );
   
    // Get all values in this section, making sure to allocate enough space
    for (nMaxSize = INITIAL_BUFFER_SIZE,
      nSize = nMaxSize;
      nSize != 0 && nSize >= (nMaxSize-2);
      nMaxSize *= 2)
    {
     str = new Byte[nMaxSize];
     nSize = WIN32Wrapper.GetPrivateProfileSection(strSection, str, nMaxSize, strINIFileName);
    }

    // convert the byte array into a .NET string
    lpNameValues = System.Text.Encoding.ASCII.GetString( str );
   
    // Loop through each Name/Value pair
    for (intNameValue = 0,
      strNameValue = GetToken(lpNameValues, charNull, intNameValue);
      strNameValue.Length > 0;
      strNameValue = GetToken(lpNameValues, charNull, ++intNameValue) )
    {
     // Get the name and value from the entire null separated string of name/value pairs
     // Also escape out the special characters, (ie. &"<> )
     strName = XMLEncode( GetToken( strNameValue, charEquals, 0 ) );
     strValue = XMLEncode( strNameValue.Substring( strName.Length + 1 ) );

     // Write the XML Name/Value Node to the xml file
     fileStream.WriteLine( "<setting name=\"" + strName + "\" value=\"" + strValue + "\"/>");
    }
    
    // Close the section node
    fileStream.WriteLine( "</section>" );
   }
  
   // Thats it
   fileStream.WriteLine( "</configuration>" );
   fileStream.Close();
  
   return true;
  } // Convert
 
  /// <summary>
  /// Encodes special characters that XML has problems with, ie.
  ///       Character       Encoded to
  ///       &               &amp;
  ///       "               &quot;
  ///       <               &lt;
  ///       >               &gt;  intSection = 0
  ///   strSection = GetToken(lpSections, charNull, intSection)
  /// </summary>
  /// <param name="strText">Text that needs encoding</param>
  /// <returns>Encoded text</returns>
  public static string XMLEncode( string strText)
  {
   string strTextRet = strText;

   strTextRet = strTextRet.Replace( "&", "&amp;" );
   strTextRet = strTextRet.Replace( "\"", "&quot;");
   strTextRet = strTextRet.Replace( "<", "&lt;");
   strTextRet = strTextRet.Replace( ">", "&gt;");

   return strTextRet;
  }
 
  /// <summary>
  /// Get a token from a delimited string, eg.
  ///   intSection = 0
  ///   strSection = GetToken(lpSections, charNull, intSection)
  /// </summary>
  /// <param name="strText">Text that is delimited</param>
  /// <param name="delimiter">The delimiter, eg. ","</param>
  /// <param name="intIndex">The index of the token to return, NB. first token is index 0.</param>
  /// <returns>Returns the nth token from a string.</returns>
  private static string GetToken( string strText, char[] delimiter, int intIndex )
  {
   string strTokenRet = "";

   string[] strTokens = strText.Split( delimiter );

   if ( strTokens.GetUpperBound(0) >= intIndex )
    strTokenRet = strTokens[intIndex];

   return strTokenRet;
  } // GetToken
 } // class INI2XML
} // namespace Loki

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