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Writing Your Own RTF Converter

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1 Aug 2013CPOL14 min read 2.4M   40.4K   632  
An article on how to write a custom RTF parser and converter.
// -- FILE ------------------------------------------------------------------
// name       : RtfVisualSpecialChar.cs
// project    : RTF Framelet
// created    : Leon Poyyayil - 2008.05.22
// language   : c#
// environment: .NET 2.0
// copyright  : (c) 2004-2013 by Jani Giannoudis, Switzerland
// --------------------------------------------------------------------------
using Itenso.Sys;

namespace Itenso.Rtf.Model
{

	// ------------------------------------------------------------------------
	public sealed class RtfVisualSpecialChar : RtfVisual, IRtfVisualSpecialChar
	{

		// ----------------------------------------------------------------------
		public RtfVisualSpecialChar( RtfVisualSpecialCharKind charKind ) :
			base( RtfVisualKind.Special )
		{
			this.charKind = charKind;
		} // RtfVisualSpecialChar

		// ----------------------------------------------------------------------
		protected override void DoVisit( IRtfVisualVisitor visitor )
		{
			visitor.VisitSpecial( this );
		} // DoVisit

		// ----------------------------------------------------------------------
		public RtfVisualSpecialCharKind CharKind
		{
			get { return charKind; }
		} // CharKind

		// ----------------------------------------------------------------------
		protected override bool IsEqual( object obj )
		{
			RtfVisualSpecialChar compare = obj as RtfVisualSpecialChar; // guaranteed to be non-null
			return 
				compare != null &&
				base.IsEqual( compare ) &&
				charKind == compare.charKind;
		} // IsEqual

		// ----------------------------------------------------------------------
		protected override int ComputeHashCode()
		{
			return HashTool.AddHashCode( base.ComputeHashCode(), charKind );
		} // ComputeHashCode

		// ----------------------------------------------------------------------
		public override string ToString()
		{
			return charKind.ToString();
		} // ToString

		// ----------------------------------------------------------------------
		// members
		private readonly RtfVisualSpecialCharKind charKind;

	} // class RtfVisualSpecialChar

} // namespace Itenso.Rtf.Model
// -- EOF -------------------------------------------------------------------

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License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


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