2019-08-19 12:35:39 +00:00
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#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 ImageBlockModifier : BlockModifier
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{
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public override string ModifyLine(string line)
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{
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line = Regex.Replace(line,
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@"\!" + // opening !
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@"(?<algn>\<|\=|\>)?" + // optional alignment atts
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Globals.BlockModifiersPattern + // optional style, public class atts
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@"(?:\. )?" + // optional dot-space
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@"(?<url>[^\s(!]+)" + // presume this is the src
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@"\s?" + // optional space
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@"(?:\((?<title>([^\)]+))\))?" +// optional title
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@"\!" + // closing
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@"(?::(?<href>(\S+)))?" + // optional href
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@"(?=\s|\.|,|;|\)|\||$)", // lookahead: space or simple punctuation or end of string
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new MatchEvaluator(ImageFormatMatchEvaluator)
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);
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return line;
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}
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2022-01-10 15:13:30 +00:00
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string ImageFormatMatchEvaluator(Match m)
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2019-08-19 12:35:39 +00:00
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{
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var atts = BlockAttributesParser.ParseBlockAttributes(m.Groups["atts"].Value, "img");
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if (m.Groups["algn"].Length > 0)
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atts += " align=\"" + Globals.ImageAlign[m.Groups["algn"].Value] + "\"";
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if (m.Groups["title"].Length > 0)
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{
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atts += " title=\"" + m.Groups["title"].Value + "\"";
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atts += " alt=\"" + m.Groups["title"].Value + "\"";
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}
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else
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{
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atts += " alt=\"\"";
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}
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// Get Image Size?
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var res = "<img src=\"" + m.Groups["url"].Value + "\"" + atts + " />";
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if (m.Groups["href"].Length > 0)
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{
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var href = m.Groups["href"].Value;
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var end = string.Empty;
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var endMatch = Regex.Match(href, @"(.*)(?<end>\.|,|;|\))$");
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if (m.Success && !string.IsNullOrEmpty(endMatch.Groups["end"].Value))
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{
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href = href[0..^1];
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end = endMatch.Groups["end"].Value;
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}
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res = "<a href=\"" + Globals.EncodeHTMLLink(href) + "\">" + res + "</a>" + end;
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}
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return res;
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}
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}
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}
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