107 lines
4.6 KiB
C#
107 lines
4.6 KiB
C#
using System.Text.RegularExpressions;
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using Nop.Core.Domain.Common;
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using Nop.Services.Html.CodeFormatter;
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namespace Nop.Services.Html;
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/// <summary>
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/// Represents a BBCode helper
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/// </summary>
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public partial class BBCodeHelper : IBBCodeHelper
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{
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#region Fields
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protected readonly CommonSettings _commonSettings;
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protected static readonly Regex _regexBold = new(@"\[b\](.+?)\[/b\]", RegexOptions.Compiled | RegexOptions.IgnoreCase);
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protected static readonly Regex _regexItalic = new(@"\[i\](.+?)\[/i\]", RegexOptions.Compiled | RegexOptions.IgnoreCase);
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protected static readonly Regex _regexUnderLine = new(@"\[u\](.+?)\[/u\]", RegexOptions.Compiled | RegexOptions.IgnoreCase);
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protected static readonly Regex _regexUrl1 = new(@"\[url\=(https?:.+?)\]([^\]]+)\[/url\]", RegexOptions.Compiled | RegexOptions.IgnoreCase);
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protected static readonly Regex _regexUrl2 = new(@"\[url\](https?:.+?)\[/url\]", RegexOptions.Compiled | RegexOptions.IgnoreCase);
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protected static readonly Regex _regexQuote = new(@"\[quote=(.+?)\](.+?)\[/quote\]", RegexOptions.Compiled | RegexOptions.IgnoreCase);
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protected static readonly Regex _regexImg = new(@"\[img\](.+?)\[/img\]", RegexOptions.Compiled | RegexOptions.IgnoreCase);
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#endregion
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#region Ctor
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public BBCodeHelper(CommonSettings commonSettings)
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{
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_commonSettings = commonSettings;
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}
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#endregion
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#region Methods
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/// <summary>
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/// Formats the text
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/// </summary>
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/// <param name="text">Text</param>
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/// <param name="replaceBold">A value indicating whether to replace Bold</param>
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/// <param name="replaceItalic">A value indicating whether to replace Italic</param>
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/// <param name="replaceUnderline">A value indicating whether to replace Underline</param>
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/// <param name="replaceUrl">A value indicating whether to replace URL</param>
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/// <param name="replaceCode">A value indicating whether to replace Code</param>
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/// <param name="replaceQuote">A value indicating whether to replace Quote</param>
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/// <param name="replaceImg">A value indicating whether to replace Img</param>
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/// <returns>Formatted text</returns>
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public virtual string FormatText(string text, bool replaceBold, bool replaceItalic,
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bool replaceUnderline, bool replaceUrl, bool replaceCode, bool replaceQuote, bool replaceImg)
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{
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if (string.IsNullOrEmpty(text))
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return string.Empty;
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if (replaceBold)
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// format the bold tags: [b][/b] becomes: <strong></strong>
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text = _regexBold.Replace(text, "<strong>$1</strong>");
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if (replaceItalic)
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// format the italic tags: [i][/i] becomes: <em></em>
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text = _regexItalic.Replace(text, "<em>$1</em>");
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if (replaceUnderline)
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// format the underline tags: [u][/u] becomes: <u></u>
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text = _regexUnderLine.Replace(text, "<u>$1</u>");
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if (replaceUrl)
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{
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var newWindow = _commonSettings.BbcodeEditorOpenLinksInNewWindow;
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// format the URL tags: [url=https://www.nopCommerce.com]my site[/url]
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// becomes: <a href="https://www.nopCommerce.com">my site</a>
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text = _regexUrl1.Replace(text, $"<a href=\"$1\" rel=\"nofollow\"{(newWindow ? " target=_blank" : "")}>$2</a>");
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// format the URL tags: [url]https://www.nopCommerce.com[/url]
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// becomes: <a href="https://www.nopCommerce.com">https://www.nopCommerce.com</a>
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text = _regexUrl2.Replace(text, $"<a href=\"$1\" rel=\"nofollow\"{(newWindow ? " target=_blank" : "")}>$1</a>");
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}
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if (replaceQuote)
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while (_regexQuote.IsMatch(text))
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text = _regexQuote.Replace(text, "<b>$1 wrote:</b><div class=\"quote\">$2</div>");
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if (replaceCode)
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text = CodeFormatHelper.FormatTextSimple(text);
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if (replaceImg)
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// format the img tags: [img]https://www.nopCommerce.com/Content/Images/Image.jpg[/img]
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// becomes: <img src="https://www.nopCommerce.com/Content/Images/Image.jpg">
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text = _regexImg.Replace(text, "<img src=\"$1\" class=\"user-posted-image\" alt=\"\">");
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return text;
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}
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/// <summary>
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/// Removes all quotes from string
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/// </summary>
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/// <param name="str">Source string</param>
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/// <returns>string</returns>
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public virtual string RemoveQuotes(string str)
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{
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str = Regex.Replace(str, @"\[quote=(.+?)\]", string.Empty, RegexOptions.Compiled | RegexOptions.IgnoreCase);
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str = Regex.Replace(str, @"\[/quote\]", string.Empty, RegexOptions.Compiled | RegexOptions.IgnoreCase);
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return str;
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}
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#endregion
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} |