// (c) Copyright Ascensio System SIA 2010-2022 // // This program is a free software product. // You can redistribute it and/or modify it under the terms // of the GNU Affero General Public License (AGPL) version 3 as published by the Free Software // Foundation. In accordance with Section 7(a) of the GNU AGPL its Section 15 shall be amended // to the effect that Ascensio System SIA expressly excludes the warranty of non-infringement of // any third-party rights. // // This program is distributed WITHOUT ANY WARRANTY, without even the implied warranty // of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For details, see // the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html // // You can contact Ascensio System SIA at Lubanas st. 125a-25, Riga, Latvia, EU, LV-1021. // // The interactive user interfaces in modified source and object code versions of the Program must // display Appropriate Legal Notices, as required under Section 5 of the GNU AGPL version 3. // // Pursuant to Section 7(b) of the License you must retain the original Product logo when // distributing the program. Pursuant to Section 7(e) we decline to grant you any rights under // trademark law for use of our trademarks. // // All the Product's GUI elements, including illustrations and icon sets, as well as technical writing // content are licensed under the terms of the Creative Commons Attribution-ShareAlike 4.0 // International. See the License terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode namespace Textile.Blocks; public class HyperLinkBlockModifier : BlockModifier { private readonly string _rel = string.Empty; public override string ModifyLine(string line) { line = Regex.Replace(line, @"(?
[\s[{(]|" + Globals.PunctuationPattern + @")?" + // $pre "\"" + // start Globals.BlockModifiersPattern + // attributes "(?[\\w\\W]+?)" + // text @"\s?" + @"(?:\((? [^)]+)\)(?=""))?" + // title "\":" + @"""(? \S+[^""]+)""" + // url @"(? \/)?" + // slash @"(? [^\w\/;]*)" + // post @"(?=\s|$)", new MatchEvaluator(HyperLinksFormatMatchEvaluator)); return line; } private string HyperLinksFormatMatchEvaluator(Match m) { //TODO: check the URL var atts = BlockAttributesParser.ParseBlockAttributes(m.Groups["atts"].Value, "a"); if (m.Groups["title"].Length > 0) { atts += " title=\"" + m.Groups["title"].Value + "\""; } var linkText = m.Groups["text"].Value.Trim(' '); var str = m.Groups["pre"].Value + "" + linkText + "" + m.Groups["post"].Value; return str; } }