#region License Statement
// Copyright (c) L.A.B.Soft.  All rights reserved.
//
// The use and distribution terms for this software are covered by the 
// Common Public License 1.0 (http://opensource.org/licenses/cpl.php)
// which can be found in the file CPL.TXT at the root of this distribution.
// By using this software in any fashion, you are agreeing to be bound by 
// the terms of this license.
//
// You must not remove this notice, or any other, from this software.
#endregion

namespace Textile.Blocks;

public class PreBlockModifier : BlockModifier
{
    public override string ModifyLine(string line)
    {
        // Encode the contents of the "<pre>" tags so that we don't
        // generate formatting out of it.
        line = NoTextileEncoder.EncodeNoTextileZones(line,
                                @"(?<=(^|\s)<pre(" + Globals.HtmlAttributesPattern + @")>)",
                                @"(?=</pre>)");
        return line;
    }

    public override string Conclude(string line)
    {
        // Recode everything.
        line = NoTextileEncoder.DecodeNoTextileZones(line,
                                @"(?<=(^|\s)<pre(" + Globals.HtmlAttributesPattern + @")>)",
                                @"(?=</pre>)",
                                new string[] { "<", ">" });
        return line;
    }
}