Regular Expression Library Builder

using System;
using System.IO;
using System.Reflection;
using System.ComponentModel;
using System.Text.RegularExpressions;
using System.Windows.Forms;

using Dela.RegexLibraryBuilder;
using Dela.RegexLibraryBuilder.Collections;

namespace Dela.RegexLibraryBuilder.Gui
{
	/// <summary>
	/// Summary description for Form1.
	/// </summary>
	public class RegexLibraryBuilderForm : System.Windows.Forms.Form
	{
      #region GUI Elements
      
      private System.Windows.Forms.MainMenu mainMenu;
      private System.Windows.Forms.MenuItem menuItemFileMenu;
      private System.Windows.Forms.MenuItem menuItemLoad;
      private System.Windows.Forms.MenuItem menuItemSave;
      private System.Windows.Forms.MenuItem menuItemFileMenuSeperator;
      private System.Windows.Forms.MenuItem menuItemExit;
      private System.Windows.Forms.MenuItem menuItemRegexMenu;
      private System.Windows.Forms.MenuItem menuItemNewRegex;
      private System.Windows.Forms.MenuItem menuItemDeleteRegex;
      private System.Windows.Forms.MenuItem menuItemHelpMenu;
      private System.Windows.Forms.MenuItem menuItemAbout;
      private System.Windows.Forms.ToolBar toolBar;
      private System.Windows.Forms.GroupBox groupBoxAssemblyDetails;
      private System.Windows.Forms.ImageList imageListToolbar;
      private System.Windows.Forms.ToolBarButton toolBarButtonNew;
      private System.Windows.Forms.ToolBarButton toolBarButtonOpen;
      private System.Windows.Forms.ToolBarButton toolBarButtonSave;
      private System.Windows.Forms.ToolBarButton toolBarButton1;
      private System.Windows.Forms.Label label1;
      private System.Windows.Forms.Label label2;
      private System.Windows.Forms.TextBox txtAssemblyFileName;
      private System.Windows.Forms.TextBox txtAssemblyVersion;
      private System.Windows.Forms.ToolBarButton toolBarButtonDelete;
      private System.Windows.Forms.ListView listViewRegexs;
      private System.Windows.Forms.ColumnHeader colRegex;
      private System.Windows.Forms.ColumnHeader colRegexOptions;
      private System.Windows.Forms.GroupBox groupBox1;
      private System.Windows.Forms.Label label4;
      private System.Windows.Forms.TextBox txtRegex;
      private System.Windows.Forms.Button btnDelete;
      private System.Windows.Forms.Button btnAdd;
      private System.Windows.Forms.CheckBox chkECMAScript;
      private System.Windows.Forms.CheckBox chkExplicit;
      private System.Windows.Forms.CheckBox chkRightToLeft;
      private System.Windows.Forms.CheckBox chkMultiline;
      private System.Windows.Forms.CheckBox chkIgnoreCase;
      private System.Windows.Forms.CheckBox chkIgnoreWhiteSace;
      private System.Windows.Forms.CheckBox chkCompiled;
      private System.Windows.Forms.CheckBox chkSingleLine;
      private System.Windows.Forms.Label label3;
      private System.Windows.Forms.TextBox txtRegexName;
      private System.ComponentModel.IContainer components;
      private System.Windows.Forms.ColumnHeader colRegexName;
      private System.Windows.Forms.Button btnBrowse;
      private System.Windows.Forms.TextBox txtNamespace;
      private System.Windows.Forms.Label label5;
      private System.Windows.Forms.CheckBox chkPublic;

      #endregion

      #region Fields

      private RegexLibraryBuilder _libraryBuilder = new RegexLibraryBuilder();

      #endregion

      #region Constructors

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

         this.Text += " - v" + Assembly.GetExecutingAssembly().GetName().Version + " beta";

         _libraryBuilder.LibraryLoaded += new Dela.RegexLibraryBuilder.RegexLibraryBuilder.LibraryLoadedDelegate(libraryBuilder_LibraryLoaded);
		}

      #endregion

      #region Protected Methods

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

      #endregion

		#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.components = new System.ComponentModel.Container();
         System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(RegexLibraryBuilderForm));
         this.mainMenu = new System.Windows.Forms.MainMenu();
         this.menuItemFileMenu = new System.Windows.Forms.MenuItem();
         this.menuItemLoad = new System.Windows.Forms.MenuItem();
         this.menuItemSave = new System.Windows.Forms.MenuItem();
         this.menuItemFileMenuSeperator = new System.Windows.Forms.MenuItem();
         this.menuItemExit = new System.Windows.Forms.MenuItem();
         this.menuItemRegexMenu = new System.Windows.Forms.MenuItem();
         this.menuItemNewRegex = new System.Windows.Forms.MenuItem();
         this.menuItemDeleteRegex = new System.Windows.Forms.MenuItem();
         this.menuItemHelpMenu = new System.Windows.Forms.MenuItem();
         this.menuItemAbout = new System.Windows.Forms.MenuItem();
         this.toolBar = new System.Windows.Forms.ToolBar();
         this.toolBarButtonOpen = new System.Windows.Forms.ToolBarButton();
         this.toolBarButtonSave = new System.Windows.Forms.ToolBarButton();
         this.toolBarButton1 = new System.Windows.Forms.ToolBarButton();
         this.toolBarButtonNew = new System.Windows.Forms.ToolBarButton();
         this.toolBarButtonDelete = new System.Windows.Forms.ToolBarButton();
         this.imageListToolbar = new System.Windows.Forms.ImageList(this.components);
         this.groupBoxAssemblyDetails = new System.Windows.Forms.GroupBox();
         this.btnBrowse = new System.Windows.Forms.Button();
         this.txtAssemblyVersion = new System.Windows.Forms.TextBox();
         this.txtAssemblyFileName = new System.Windows.Forms.TextBox();
         this.label2 = new System.Windows.Forms.Label();
         this.label1 = new System.Windows.Forms.Label();
         this.listViewRegexs = new System.Windows.Forms.ListView();
         this.colRegexName = new System.Windows.Forms.ColumnHeader();
         this.colRegex = new System.Windows.Forms.ColumnHeader();
         this.colRegexOptions = new System.Windows.Forms.ColumnHeader();
         this.groupBox1 = new System.Windows.Forms.GroupBox();
         this.chkPublic = new System.Windows.Forms.CheckBox();
         this.txtNamespace = new System.Windows.Forms.TextBox();
         this.label5 = new System.Windows.Forms.Label();
         this.txtRegexName = new System.Windows.Forms.TextBox();
         this.label3 = new System.Windows.Forms.Label();
         this.btnDelete = new System.Windows.Forms.Button();
         this.btnAdd = new System.Windows.Forms.Button();
         this.chkECMAScript = new System.Windows.Forms.CheckBox();
         this.chkExplicit = new System.Windows.Forms.CheckBox();
         this.chkRightToLeft = new System.Windows.Forms.CheckBox();
         this.chkMultiline = new System.Windows.Forms.CheckBox();
         this.chkIgnoreCase = new System.Windows.Forms.CheckBox();
         this.chkIgnoreWhiteSace = new System.Windows.Forms.CheckBox();
         this.chkCompiled = new System.Windows.Forms.CheckBox();
         this.chkSingleLine = new System.Windows.Forms.CheckBox();
         this.txtRegex = new System.Windows.Forms.TextBox();
         this.label4 = new System.Windows.Forms.Label();
         this.groupBoxAssemblyDetails.SuspendLayout();
         this.groupBox1.SuspendLayout();
         this.SuspendLayout();
         // 
         // mainMenu
         // 
         this.mainMenu.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
                                                                                 this.menuItemFileMenu,
                                                                                 this.menuItemRegexMenu,
                                                                                 this.menuItemHelpMenu});
         // 
         // menuItemFileMenu
         // 
         this.menuItemFileMenu.Index = 0;
         this.menuItemFileMenu.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
                                                                                         this.menuItemLoad,
                                                                                         this.menuItemSave,
                                                                                         this.menuItemFileMenuSeperator,
                                                                                         this.menuItemExit});
         this.menuItemFileMenu.Text = "&File";
         // 
         // menuItemLoad
         // 
         this.menuItemLoad.Index = 0;
         this.menuItemLoad.Text = "&Load Regex Library";
         this.menuItemLoad.Click += new System.EventHandler(this.menuItemLoad_Click);
         // 
         // menuItemSave
         // 
         this.menuItemSave.Index = 1;
         this.menuItemSave.Text = "&Save Regex Library";
         this.menuItemSave.Click += new System.EventHandler(this.menuItemSave_Click);
         // 
         // menuItemFileMenuSeperator
         // 
         this.menuItemFileMenuSeperator.Index = 2;
         this.menuItemFileMenuSeperator.Text = "-";
         // 
         // menuItemExit
         // 
         this.menuItemExit.Index = 3;
         this.menuItemExit.Text = "&Exit";
         this.menuItemExit.Click += new System.EventHandler(this.menuItemExit_Click);
         // 
         // menuItemRegexMenu
         // 
         this.menuItemRegexMenu.Index = 1;
         this.menuItemRegexMenu.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
                                                                                          this.menuItemNewRegex,
                                                                                          this.menuItemDeleteRegex});
         this.menuItemRegexMenu.Text = "&Regex";
         // 
         // menuItemNewRegex
         // 
         this.menuItemNewRegex.Index = 0;
         this.menuItemNewRegex.Text = "&New Regex";
         this.menuItemNewRegex.Click += new System.EventHandler(this.menuItemNewRegex_Click);
         // 
         // menuItemDeleteRegex
         // 
         this.menuItemDeleteRegex.Enabled = false;
         this.menuItemDeleteRegex.Index = 1;
         this.menuItemDeleteRegex.Text = "&Delete Regex";
         this.menuItemDeleteRegex.Click += new System.EventHandler(this.menuItemDeleteRegex_Click);
         // 
         // menuItemHelpMenu
         // 
         this.menuItemHelpMenu.Index = 2;
         this.menuItemHelpMenu.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
                                                                                         this.menuItemAbout});
         this.menuItemHelpMenu.Text = "&Help";
         // 
         // menuItemAbout
         // 
         this.menuItemAbout.Index = 0;
         this.menuItemAbout.Text = "&About";
         this.menuItemAbout.Click += new System.EventHandler(this.menuItemAbout_Click);
         // 
         // toolBar
         // 
         this.toolBar.Appearance = System.Windows.Forms.ToolBarAppearance.Flat;
         this.toolBar.AutoSize = false;
         this.toolBar.Buttons.AddRange(new System.Windows.Forms.ToolBarButton[] {
                                                                                   this.toolBarButtonOpen,
                                                                                   this.toolBarButtonSave,
                                                                                   this.toolBarButton1,
                                                                                   this.toolBarButtonNew,
                                                                                   this.toolBarButtonDelete});
         this.toolBar.ButtonSize = new System.Drawing.Size(20, 36);
         this.toolBar.DropDownArrows = true;
         this.toolBar.ImageList = this.imageListToolbar;
         this.toolBar.Location = new System.Drawing.Point(0, 0);
         this.toolBar.Name = "toolBar";
         this.toolBar.ShowToolTips = true;
         this.toolBar.Size = new System.Drawing.Size(594, 25);
         this.toolBar.TabIndex = 0;
         this.toolBar.ButtonClick += new System.Windows.Forms.ToolBarButtonClickEventHandler(this.toolBar_ButtonClick);
         // 
         // toolBarButtonOpen
         // 
         this.toolBarButtonOpen.ImageIndex = 0;
         this.toolBarButtonOpen.ToolTipText = "Open RegexLibrary";
         // 
         // toolBarButtonSave
         // 
         this.toolBarButtonSave.ImageIndex = 2;
         this.toolBarButtonSave.ToolTipText = "Save Regex Library";
         // 
         // toolBarButton1
         // 
         this.toolBarButton1.Style = System.Windows.Forms.ToolBarButtonStyle.Separator;
         // 
         // toolBarButtonNew
         // 
         this.toolBarButtonNew.ImageIndex = 1;
         this.toolBarButtonNew.ToolTipText = "New Regex";
         // 
         // toolBarButtonDelete
         // 
         this.toolBarButtonDelete.Enabled = false;
         this.toolBarButtonDelete.ImageIndex = 3;
         this.toolBarButtonDelete.ToolTipText = "Delete Selected Regex";
         // 
         // imageListToolbar
         // 
         this.imageListToolbar.ColorDepth = System.Windows.Forms.ColorDepth.Depth16Bit;
         this.imageListToolbar.ImageSize = new System.Drawing.Size(16, 16);
         this.imageListToolbar.ImageStream = ((System.Windows.Forms.ImageListStreamer)(resources.GetObject("imageListToolbar.ImageStream")));
         this.imageListToolbar.TransparentColor = System.Drawing.Color.Magenta;
         // 
         // groupBoxAssemblyDetails
         // 
         this.groupBoxAssemblyDetails.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 
            | System.Windows.Forms.AnchorStyles.Right)));
         this.groupBoxAssemblyDetails.Controls.Add(this.btnBrowse);
         this.groupBoxAssemblyDetails.Controls.Add(this.txtAssemblyVersion);
         this.groupBoxAssemblyDetails.Controls.Add(this.txtAssemblyFileName);
         this.groupBoxAssemblyDetails.Controls.Add(this.label2);
         this.groupBoxAssemblyDetails.Controls.Add(this.label1);
         this.groupBoxAssemblyDetails.Location = new System.Drawing.Point(8, 32);
         this.groupBoxAssemblyDetails.Name = "groupBoxAssemblyDetails";
         this.groupBoxAssemblyDetails.Size = new System.Drawing.Size(576, 80);
         this.groupBoxAssemblyDetails.TabIndex = 1;
         this.groupBoxAssemblyDetails.TabStop = false;
         this.groupBoxAssemblyDetails.Text = "Regex Library Options";
         // 
         // btnBrowse
         // 
         this.btnBrowse.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
         this.btnBrowse.Location = new System.Drawing.Point(536, 24);
         this.btnBrowse.Name = "btnBrowse";
         this.btnBrowse.Size = new System.Drawing.Size(32, 23);
         this.btnBrowse.TabIndex = 4;
         this.btnBrowse.Text = "...";
         this.btnBrowse.Click += new System.EventHandler(this.btnBrowse_Click);
         // 
         // txtAssemblyVersion
         // 
         this.txtAssemblyVersion.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 
            | System.Windows.Forms.AnchorStyles.Right)));
         this.txtAssemblyVersion.Location = new System.Drawing.Point(128, 48);
         this.txtAssemblyVersion.Name = "txtAssemblyVersion";
         this.txtAssemblyVersion.Size = new System.Drawing.Size(214, 20);
         this.txtAssemblyVersion.TabIndex = 3;
         this.txtAssemblyVersion.Text = "";
         // 
         // txtAssemblyFileName
         // 
         this.txtAssemblyFileName.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 
            | System.Windows.Forms.AnchorStyles.Right)));
         this.txtAssemblyFileName.Location = new System.Drawing.Point(128, 24);
         this.txtAssemblyFileName.Name = "txtAssemblyFileName";
         this.txtAssemblyFileName.Size = new System.Drawing.Size(382, 20);
         this.txtAssemblyFileName.TabIndex = 2;
         this.txtAssemblyFileName.Text = "";
         // 
         // label2
         // 
         this.label2.Location = new System.Drawing.Point(16, 48);
         this.label2.Name = "label2";
         this.label2.Size = new System.Drawing.Size(112, 23);
         this.label2.TabIndex = 1;
         this.label2.Text = "Assembly Version:";
         // 
         // label1
         // 
         this.label1.Location = new System.Drawing.Point(16, 24);
         this.label1.Name = "label1";
         this.label1.Size = new System.Drawing.Size(112, 23);
         this.label1.TabIndex = 0;
         this.label1.Text = "Assembly File Name:";
         // 
         // listViewRegexs
         // 
         this.listViewRegexs.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left) 
            | System.Windows.Forms.AnchorStyles.Right)));
         this.listViewRegexs.Columns.AddRange(new System.Windows.Forms.ColumnHeader[] {
                                                                                         this.colRegexName,
                                                                                         this.colRegex,
                                                                                         this.colRegexOptions});
         this.listViewRegexs.FullRowSelect = true;
         this.listViewRegexs.Location = new System.Drawing.Point(8, 330);
         this.listViewRegexs.MultiSelect = false;
         this.listViewRegexs.Name = "listViewRegexs";
         this.listViewRegexs.Size = new System.Drawing.Size(576, 176);
         this.listViewRegexs.TabIndex = 2;
         this.listViewRegexs.View = System.Windows.Forms.View.Details;
         this.listViewRegexs.SelectedIndexChanged += new System.EventHandler(this.listViewRegexs_SelectedIndexChanged);
         // 
         // colRegexName
         // 
         this.colRegexName.Text = "Name";
         this.colRegexName.Width = 100;
         // 
         // colRegex
         // 
         this.colRegex.Text = "Regex";
         this.colRegex.Width = 322;
         // 
         // colRegexOptions
         // 
         this.colRegexOptions.Text = "Regex Options";
         this.colRegexOptions.Width = 150;
         // 
         // groupBox1
         // 
         this.groupBox1.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
            | System.Windows.Forms.AnchorStyles.Left) 
            | System.Windows.Forms.AnchorStyles.Right)));
         this.groupBox1.Controls.Add(this.chkPublic);
         this.groupBox1.Controls.Add(this.txtNamespace);
         this.groupBox1.Controls.Add(this.label5);
         this.groupBox1.Controls.Add(this.txtRegexName);
         this.groupBox1.Controls.Add(this.label3);
         this.groupBox1.Controls.Add(this.btnDelete);
         this.groupBox1.Controls.Add(this.btnAdd);
         this.groupBox1.Controls.Add(this.chkECMAScript);
         this.groupBox1.Controls.Add(this.chkExplicit);
         this.groupBox1.Controls.Add(this.chkRightToLeft);
         this.groupBox1.Controls.Add(this.chkMultiline);
         this.groupBox1.Controls.Add(this.chkIgnoreCase);
         this.groupBox1.Controls.Add(this.chkIgnoreWhiteSace);
         this.groupBox1.Controls.Add(this.chkCompiled);
         this.groupBox1.Controls.Add(this.chkSingleLine);
         this.groupBox1.Controls.Add(this.txtRegex);
         this.groupBox1.Controls.Add(this.label4);
         this.groupBox1.Location = new System.Drawing.Point(8, 112);
         this.groupBox1.Name = "groupBox1";
         this.groupBox1.Size = new System.Drawing.Size(576, 210);
         this.groupBox1.TabIndex = 3;
         this.groupBox1.TabStop = false;
         this.groupBox1.Text = "Regex";
         // 
         // chkPublic
         // 
         this.chkPublic.Checked = true;
         this.chkPublic.CheckState = System.Windows.Forms.CheckState.Checked;
         this.chkPublic.Location = new System.Drawing.Point(16, 176);
         this.chkPublic.Name = "chkPublic";
         this.chkPublic.TabIndex = 15;
         this.chkPublic.Text = "Public";
         // 
         // txtNamespace
         // 
         this.txtNamespace.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left) 
            | System.Windows.Forms.AnchorStyles.Right)));
         this.txtNamespace.Location = new System.Drawing.Point(80, 152);
         this.txtNamespace.Name = "txtNamespace";
         this.txtNamespace.Size = new System.Drawing.Size(486, 20);
         this.txtNamespace.TabIndex = 14;
         this.txtNamespace.Text = "";
         // 
         // label5
         // 
         this.label5.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
         this.label5.Location = new System.Drawing.Point(8, 152);
         this.label5.Name = "label5";
         this.label5.Size = new System.Drawing.Size(80, 23);
         this.label5.TabIndex = 17;
         this.label5.Text = "Namespace:";
         // 
         // txtRegexName
         // 
         this.txtRegexName.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left) 
            | System.Windows.Forms.AnchorStyles.Right)));
         this.txtRegexName.Location = new System.Drawing.Point(80, 120);
         this.txtRegexName.Name = "txtRegexName";
         this.txtRegexName.Size = new System.Drawing.Size(486, 20);
         this.txtRegexName.TabIndex = 13;
         this.txtRegexName.Text = "";
         // 
         // label3
         // 
         this.label3.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
         this.label3.Location = new System.Drawing.Point(8, 120);
         this.label3.Name = "label3";
         this.label3.Size = new System.Drawing.Size(80, 23);
         this.label3.TabIndex = 15;
         this.label3.Text = "Regex Name:";
         // 
         // btnDelete
         // 
         this.btnDelete.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
         this.btnDelete.Enabled = false;
         this.btnDelete.Location = new System.Drawing.Point(307, 178);
         this.btnDelete.Name = "btnDelete";
         this.btnDelete.TabIndex = 17;
         this.btnDelete.Text = "Delete";
         this.btnDelete.Click += new System.EventHandler(this.btnDelete_Click);
         // 
         // btnAdd
         // 
         this.btnAdd.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
         this.btnAdd.Location = new System.Drawing.Point(202, 178);
         this.btnAdd.Name = "btnAdd";
         this.btnAdd.TabIndex = 16;
         this.btnAdd.Text = "Add";
         this.btnAdd.Click += new System.EventHandler(this.btnAdd_Click);
         // 
         // chkECMAScript
         // 
         this.chkECMAScript.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
         this.chkECMAScript.Location = new System.Drawing.Point(277, 88);
         this.chkECMAScript.Name = "chkECMAScript";
         this.chkECMAScript.TabIndex = 11;
         this.chkECMAScript.Text = "ECMAScript";
         // 
         // chkExplicit
         // 
         this.chkExplicit.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
         this.chkExplicit.Location = new System.Drawing.Point(405, 88);
         this.chkExplicit.Name = "chkExplicit";
         this.chkExplicit.TabIndex = 12;
         this.chkExplicit.Text = "Explicit Capture";
         // 
         // chkRightToLeft
         // 
         this.chkRightToLeft.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
         this.chkRightToLeft.Location = new System.Drawing.Point(277, 64);
         this.chkRightToLeft.Name = "chkRightToLeft";
         this.chkRightToLeft.TabIndex = 7;
         this.chkRightToLeft.Text = "Right to Left";
         // 
         // chkMultiline
         // 
         this.chkMultiline.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
         this.chkMultiline.Location = new System.Drawing.Point(141, 64);
         this.chkMultiline.Name = "chkMultiline";
         this.chkMultiline.TabIndex = 6;
         this.chkMultiline.Text = "Multiline";
         // 
         // chkIgnoreCase
         // 
         this.chkIgnoreCase.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
         this.chkIgnoreCase.Location = new System.Drawing.Point(141, 88);
         this.chkIgnoreCase.Name = "chkIgnoreCase";
         this.chkIgnoreCase.TabIndex = 10;
         this.chkIgnoreCase.Text = "Ignore Case";
         // 
         // chkIgnoreWhiteSace
         // 
         this.chkIgnoreWhiteSace.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
         this.chkIgnoreWhiteSace.Location = new System.Drawing.Point(405, 64);
         this.chkIgnoreWhiteSace.Name = "chkIgnoreWhiteSace";
         this.chkIgnoreWhiteSace.Size = new System.Drawing.Size(160, 24);
         this.chkIgnoreWhiteSace.TabIndex = 8;
         this.chkIgnoreWhiteSace.Text = "Ignore Pattern Whitespace";
         // 
         // chkCompiled
         // 
         this.chkCompiled.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
         this.chkCompiled.Location = new System.Drawing.Point(13, 88);
         this.chkCompiled.Name = "chkCompiled";
         this.chkCompiled.TabIndex = 9;
         this.chkCompiled.Text = "Compiled";
         // 
         // chkSingleLine
         // 
         this.chkSingleLine.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
         this.chkSingleLine.Location = new System.Drawing.Point(13, 64);
         this.chkSingleLine.Name = "chkSingleLine";
         this.chkSingleLine.TabIndex = 5;
         this.chkSingleLine.Text = "Single Line";
         // 
         // txtRegex
         // 
         this.txtRegex.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
            | System.Windows.Forms.AnchorStyles.Left) 
            | System.Windows.Forms.AnchorStyles.Right)));
         this.txtRegex.Location = new System.Drawing.Point(80, 16);
         this.txtRegex.Multiline = true;
         this.txtRegex.Name = "txtRegex";
         this.txtRegex.Size = new System.Drawing.Size(488, 48);
         this.txtRegex.TabIndex = 4;
         this.txtRegex.Text = "";
         // 
         // label4
         // 
         this.label4.Location = new System.Drawing.Point(16, 16);
         this.label4.Name = "label4";
         this.label4.Size = new System.Drawing.Size(56, 16);
         this.label4.TabIndex = 0;
         this.label4.Text = "Regex:";
         // 
         // RegexLibraryBuilderForm
         // 
         this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
         this.ClientSize = new System.Drawing.Size(594, 515);
         this.Controls.Add(this.groupBox1);
         this.Controls.Add(this.listViewRegexs);
         this.Controls.Add(this.groupBoxAssemblyDetails);
         this.Controls.Add(this.toolBar);
         this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle;
         this.Menu = this.mainMenu;
         this.Name = "RegexLibraryBuilderForm";
         this.Text = "RegexLibrary Builder";
         this.groupBoxAssemblyDetails.ResumeLayout(false);
         this.groupBox1.ResumeLayout(false);
         this.ResumeLayout(false);

      }
		#endregion

      #region Event Handlers

      #region GUI Event Handlers

      #region Button Handlers

      private void btnBrowse_Click(object sender, System.EventArgs e)
      {
         SaveFileDialog saveFileDialog = new SaveFileDialog();
         saveFileDialog.Filter = "(.dll)|*.dll";

         if(saveFileDialog.ShowDialog() == DialogResult.OK)
         {
            txtAssemblyFileName.Text = saveFileDialog.FileName;
         }
      }

      private void btnAdd_Click(object sender, System.EventArgs e)
      {
         if(txtRegex.Text.Length < 1)
         {
            MessageBox.Show("You must enter a regex!");
         }
         else if(txtRegexName.Text.Length < 1)
         {  
            MessageBox.Show("You must enter a regex name!");
         }
         else if(!Regex.IsMatch(txtRegexName.Text, "^[_a-zA-Z][_a-zA-Z0-9]*$"))
         {
            MessageBox.Show("Invalid regex name! Standard .NET class naming rules apply to regex names!");
         }
         else if(txtNamespace.Text.Length < 1)
         {
            MessageBox.Show("You must enter a namespace name!");
         }
         else if(!Regex.IsMatch(txtNamespace.Text, "^[_a-zA-Z][_.a-zA-Z0-9]*$"))
         {
            MessageBox.Show("Invalid namespace name! Standard .NET namespace naming rules apply!");
         }
         else if(RegexNameValid())
         {
            string errorMessage = string.Empty;
            if(IsValidRegex(txtRegex.Text, out errorMessage) == false)
            {
               MessageBox.Show(errorMessage, "Invalid Regex!", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
            else
            {
               RegexOptions regexOptions = RegexOptions.None;

               regexOptions |= chkCompiled.Checked ? RegexOptions.Compiled : RegexOptions.None;
               regexOptions |= chkECMAScript.Checked ? RegexOptions.ECMAScript : RegexOptions.None;
               regexOptions |= chkExplicit.Checked ? RegexOptions.ExplicitCapture : RegexOptions.None;
               regexOptions |= chkIgnoreCase.Checked ? RegexOptions.IgnoreCase : RegexOptions.None;
               regexOptions |= chkIgnoreWhiteSace.Checked ? RegexOptions.IgnorePatternWhitespace : RegexOptions.None;
               regexOptions |= chkMultiline.Checked ? RegexOptions.Multiline : RegexOptions.None;
               regexOptions |= chkRightToLeft.Checked ? RegexOptions.RightToLeft : RegexOptions.None;
               regexOptions |= chkSingleLine.Checked ? RegexOptions.Singleline : RegexOptions.None;

               RegexCompilationInfo regexInfo = new RegexCompilationInfo(txtRegex.Text, regexOptions, txtRegexName.Text, txtNamespace.Text, chkPublic.Checked);

               ListViewItem item = new ListViewItem();
               item.Text = regexInfo.Name;
               item.SubItems.Add(regexInfo.Pattern);
               item.SubItems.Add(regexInfo.Options.ToString());
               item.Tag = regexInfo;
               
               listViewRegexs.Items.Add(item);
               
               ResetRegexGroupBox();
            }
         }
        
      }

      private void btnDelete_Click(object sender, System.EventArgs e)
      {
         if(listViewRegexs.SelectedItems.Count == 1)
         {
            DialogResult result = MessageBox.Show("Are you sure you want to delete regex '" + txtRegexName.Text + "'?", 
               "Confirm", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
            if(result == DialogResult.Yes)
            {
               listViewRegexs.Items.RemoveAt(listViewRegexs.SelectedIndices[0]);

               ResetRegexGroupBox();
            }
         }
      }

      #endregion

      #region Toolbar Handlers

      private void toolBar_ButtonClick(object sender, System.Windows.Forms.ToolBarButtonClickEventArgs e)
      {
         if(e.Button == toolBarButtonOpen)
         {
            menuItemLoad_Click(sender, e);
         }
         else if(e.Button == toolBarButtonSave)
         {
            menuItemSave_Click(sender, e);
         }
         else if(e.Button == toolBarButtonNew)
         {
            menuItemNewRegex_Click(sender, e);
         }
         else if(e.Button == toolBarButtonDelete)
         {
            menuItemDeleteRegex_Click(sender, e);
         }
      }

      #endregion

      #region Menu Item Handlers

      private void menuItemLoad_Click(object sender, System.EventArgs e)
      {
         OpenFileDialog fileDialog = new OpenFileDialog();
         fileDialog.Filter = "Regex Library (*.dll)|*.dll";

         if(fileDialog.ShowDialog() == DialogResult.OK)
         {
            _libraryBuilder.LoadRegexLibrary(fileDialog.FileName);
            txtAssemblyFileName.Text = fileDialog.FileName;
         }
      }

      private void menuItemSave_Click(object sender, System.EventArgs e)
      {
         bool valid = false;

         if(Regex.IsMatch(txtAssemblyVersion.Text, @"^\d+(\.\d+){1,3}$"))
         {
            valid = true;
         }
         else
         {
            MessageBox.Show("Invalid Version Number!\r\nYou must specify at least a major and minor version number, e.g. 1.01,\r\nand at most 4 numbers, e.g. 1.01.8567.234");
         }

         if(File.Exists(txtAssemblyFileName.Text) && valid)
         {
            valid = DialogResult.Yes == MessageBox.Show("Are you sure you want to overwrite " + txtAssemblyFileName.Text + "?", "Confirm file replace", MessageBoxButtons.YesNo);
         }

         if(valid)
         {
            _libraryBuilder.Regexs.Clear();
            foreach(ListViewItem item in listViewRegexs.Items)
            {
               _libraryBuilder.Regexs.Add(item.Tag as RegexCompilationInfo);
            }

            _libraryBuilder.AssemblyName.Version = new Version(txtAssemblyVersion.Text);
            _libraryBuilder.AssemblyName.Name = Path.GetFileNameWithoutExtension(txtAssemblyFileName.Text);
            _libraryBuilder.AssemblyName.CodeBase = Path.GetDirectoryName(txtAssemblyFileName.Text);

            _libraryBuilder.SaveRegexLibrary();

            if(File.Exists(txtAssemblyFileName.Text))
            {
               MessageBox.Show("Regex Library Saved Successfully");
            }
         }
      }

      private void menuItemExit_Click(object sender, System.EventArgs e)
      {
         Application.Exit();
      }

      private void menuItemAbout_Click(object sender, System.EventArgs e)
      {
         AboutForm about = new AboutForm();
         about.StartPosition = FormStartPosition.CenterParent;
         about.ShowDialog();
      }

      private void menuItemNewRegex_Click(object sender, System.EventArgs e)
      {
         ResetRegexGroupBox();
      }

      private void menuItemDeleteRegex_Click(object sender, System.EventArgs e)
      {
         btnDelete_Click(sender, e);
      }

      #endregion

      #region Other GUI Events

      private void listViewRegexs_SelectedIndexChanged(object sender, System.EventArgs e)
      {
         if(listViewRegexs.SelectedItems.Count == 1)
         {
            RegexCompilationInfo regexInfo = listViewRegexs.SelectedItems[0].Tag as RegexCompilationInfo;
            if(regexInfo != null)
            {
               txtRegex.Text = regexInfo.Pattern;
               txtNamespace.Text = regexInfo.Namespace;
               txtRegexName.Text = regexInfo.Name;
               chkPublic.Checked = regexInfo.IsPublic;
                
               chkCompiled.Checked = (regexInfo.Options & RegexOptions.Compiled) == RegexOptions.Compiled;
               chkECMAScript.Checked = (regexInfo.Options & RegexOptions.ECMAScript) == RegexOptions.ECMAScript;
               chkExplicit.Checked = (regexInfo.Options & RegexOptions.ExplicitCapture) == RegexOptions.ExplicitCapture;
               chkIgnoreCase.Checked = (regexInfo.Options & RegexOptions.IgnoreCase) == RegexOptions.IgnoreCase;
               chkIgnoreWhiteSace.Checked = (regexInfo.Options & RegexOptions.IgnorePatternWhitespace) == RegexOptions.IgnorePatternWhitespace;
               chkMultiline.Checked = (regexInfo.Options & RegexOptions.Multiline) == RegexOptions.Multiline;
               chkRightToLeft.Checked = (regexInfo.Options & RegexOptions.RightToLeft) == RegexOptions.RightToLeft;
               chkSingleLine.Checked = (regexInfo.Options & RegexOptions.Singleline) == RegexOptions.Singleline;
            }
            btnDelete.Enabled = true;
            toolBarButtonDelete.Enabled = true;
            menuItemDeleteRegex.Enabled = true;
         }
         else
         {
            btnDelete.Enabled = false;
            toolBarButtonDelete.Enabled = false;
            menuItemDeleteRegex.Enabled = false;
         }
      }

      #endregion

      #endregion

      #region Non-GUI Event Handlers

      private void libraryBuilder_LibraryLoaded(RegexCompilationInfoCollection regexs, System.Reflection.AssemblyName assemblyName)
      {
         txtAssemblyVersion.Text = assemblyName.Version.ToString();
         listViewRegexs.Items.Clear();

         if(regexs != null && regexs.Count > 0)
         {
            foreach(RegexCompilationInfo regexInfo in regexs)
            {
               ListViewItem item = new ListViewItem();
               item.Text = regexInfo.Name;
               item.SubItems.Add(regexInfo.Pattern);
               item.SubItems.Add(regexInfo.Options.ToString());
               item.Tag = regexInfo;
               
               listViewRegexs.Items.Add(item);
            }
         }
         else
         {
            MessageBox.Show("Not a Regular Expression Library!");
         }
      }

      #endregion

      #endregion

      #region Internal Methods

      private void ResetRegexGroupBox()
      {
         // Reset Regex Group Box.
         txtRegex.Text = string.Empty;
         txtNamespace.Text = string.Empty;
         txtRegexName.Text = string.Empty;
         chkCompiled.Checked = false;
         chkECMAScript.Checked = false;
         chkExplicit.Checked  = false;
         chkIgnoreCase.Checked  = false;
         chkIgnoreWhiteSace.Checked  = false;
         chkMultiline.Checked  = false;
         chkRightToLeft.Checked  = false;
         chkSingleLine.Checked  = false;
      }

      private bool RegexNameValid()
      {
         bool valid = true;

         foreach(ListViewItem item in listViewRegexs.Items)
         {
            if(((RegexCompilationInfo)item.Tag).Namespace == txtNamespace.Text && item.Text == txtRegexName.Text)
            {
               DialogResult result =MessageBox.Show("A regex named '" + item.Text + "' already exists for the specified namespace. Are you sure you wish to overwrite it?", 
                  "Confirm Overwrite", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
               if(result == DialogResult.Yes)
               {
                  valid = true;
                  listViewRegexs.Items.Remove(item);
               }
               else
               {
                  valid = false;
               }
            }
         }

         return valid;
      }

      private bool IsValidRegex(string regex, out string errorMessage)
      {
         bool isValid = true;
         errorMessage = string.Empty;

         try
         {
            Regex.Match("", regex);
         }
         catch(ArgumentException exception)
         {
            errorMessage = exception.Message;
            isValid = false;
         }

         return isValid;
      }

      #endregion
   }
}