62 lines
2.5 KiB
C#
62 lines
2.5 KiB
C#
#region License Statement
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// Copyright (c) L.A.B.Soft. All rights reserved.
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//
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// The use and distribution terms for this software are covered by the
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// Common Public License 1.0 (http://opensource.org/licenses/cpl.php)
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// which can be found in the file CPL.TXT at the root of this distribution.
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// By using this software in any fashion, you are agreeing to be bound by
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// the terms of this license.
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//
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// You must not remove this notice, or any other, from this software.
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#endregion
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#region Using Statements
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using System.Text.RegularExpressions;
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#endregion
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namespace Textile.Blocks
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{
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public class CodeBlockModifier : BlockModifier
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{
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public override string ModifyLine(string line)
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{
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// Replace "@...@" zones with "<code>" tags.
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var me = new MatchEvaluator(CodeFormatMatchEvaluator);
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line = Regex.Replace(line,
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@"(?<before>^|([\s\([{]))" + // before
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"@" +
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@"(\|(?<lang>\w+)\|)?" + // lang
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"(?<code>[^@]+)" + // code
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"@" +
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@"(?<after>$|([\]}])|(?=" + Globals.PunctuationPattern + @"{1,2}|\s|$))", // after
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me);
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// Encode the contents of the "<code>" tags so that we don't
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// generate formatting out of it.
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line = NoTextileEncoder.EncodeNoTextileZones(line,
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@"(?<=(^|\s)<code(" + Globals.HtmlAttributesPattern + @")>)",
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@"(?=</code>)");
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return line;
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}
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public override string Conclude(string line)
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{
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// Recode everything except "<" and ">";
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line = NoTextileEncoder.DecodeNoTextileZones(line,
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@"(?<=(^|\s)<code(" + Globals.HtmlAttributesPattern + @")>)",
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@"(?=</code>)",
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new string[] { "<", ">" });
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return line;
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}
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static public string CodeFormatMatchEvaluator(Match m)
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{
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var res = m.Groups["before"].Value + "<code";
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if (m.Groups["lang"].Length > 0)
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res += " language=\"" + m.Groups["lang"].Value + "\"";
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res += ">" + m.Groups["code"].Value + "</code>" + m.Groups["after"].Value;
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return res;
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}
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}
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}
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