114 lines
4.8 KiB
C#
114 lines
4.8 KiB
C#
#region Header
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// _,-'/-'/
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// . __,-; ,'( '/
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// \. `-.__`-._`:_,-._ _ , . ``
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// `:-._,------' ` _,`--` -: `_ , ` ,' :
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// `---..__,,--' (C) 2023 ` -'. -'
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// # Vita-Nex [http://core.vita-nex.com] #
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// {o)xxx|===============- # -===============|xxx(o}
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// # #
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#endregion
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#region References
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using System;
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using System.Drawing;
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using System.Text.RegularExpressions;
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#endregion
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namespace VitaNex.Text
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{
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public static class BBCodeUtility
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{
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/*
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(Description) (Syntax) (Args) (Examples)
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Line Break: [br] [br]
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URL: [url] link [/url] [url]http://www.google.com[/url]
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URL Labeled: [url=arg] text [/url] hyperlink [url=http://www.google.com]Google Search[/url]
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Center Align: [center] text [/center] [center]Hello World[/center]
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Left Align: [left] text [/left] [left]Hello World[/left]
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Right Align: [right] text [/right] [right]Hello World[/right]
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Small Font: [small] text [/small] [small]Hello World[/small]
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Big Font: [big] text [/big] [big]Hello World[/big]
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Bold: [b] text [/b] [b]Hello World[/b]
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Italic: [i] text [/i] [i]Hello World[/i]
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Underline: [u] text [/u] [u]Hello World[/u]
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Strikeout: [s] text [/s] [s]Hello World[/s]
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Font Size: [size=arg] text [/size] int 1 - 4 [size=4]Hello World[/color]
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Font Color: [color=arg] text [/color] hex x6 [color=#FFFFFF]Hello World[/color]
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**********: ************************* named color [color=white]Hello World[/color]
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*/
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public static RegexOptions DefaultRegexOptions = RegexOptions.IgnoreCase | RegexOptions.Singleline;
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public static readonly Regex RegexLineBreak = new Regex(@"\[br\]", DefaultRegexOptions),
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RegexCenterText = new Regex(@"\[center\](.+?)\[\/center\]", DefaultRegexOptions),
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RegexLeftText = new Regex(@"\[left\](.+?)\[\/left\]", DefaultRegexOptions),
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RegexRightText = new Regex(@"\[right\](.+?)\[\/right\]", DefaultRegexOptions),
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RegexSmallText = new Regex(@"\[small\](.+?)\[\/small\]", DefaultRegexOptions),
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RegexBigText = new Regex(@"\[big\](.+?)\[\/big\]", DefaultRegexOptions),
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RegexBoldText = new Regex(@"\[b\](.+?)\[\/b\]", DefaultRegexOptions),
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RegexItalicText = new Regex(@"\[i\](.+?)\[\/i\]", DefaultRegexOptions),
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RegexUnderlineText = new Regex(@"\[u\](.+?)\[\/u\]", DefaultRegexOptions),
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RegexStrikeOutText = new Regex(@"\[s\](.+?)\[\/s\]", DefaultRegexOptions),
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RegexUrl = new Regex(@"\[url\](.+?)\[\/url\]", DefaultRegexOptions),
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RegexUrlAnchored = new Regex(@"\[url=([^\]]+)\]([^\]]+)\[\/url\]", DefaultRegexOptions),
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RegexColorAnchored = new Regex(@"\[color=([^\]]+)\]([^\]]+)\[\/color\]", DefaultRegexOptions),
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RegexSizeAnchored = new Regex(@"\[size=([^\]]+)\]([^\]]+)\[\/size\]", DefaultRegexOptions),
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RegexImage = new Regex(@"\[img\](.+?)\[\/img\]", DefaultRegexOptions),
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RegexImageAnchored = new Regex(@"\[img=([^\]]+)\]([^\]]+)\[\/img\]", DefaultRegexOptions),
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RegexStripMisc = new Regex(@"\[([^\]]+)\]([^\]]+)\[\/[^\]]+\]", DefaultRegexOptions);
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public static string ParseBBCode(
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this string input,
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Color? defaultColor = null,
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int defaultSize = 2,
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bool imgAsLink = true,
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bool stripMisc = false)
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{
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if (String.IsNullOrWhiteSpace(input))
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{
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return input ?? String.Empty;
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}
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input = RegexLineBreak.Replace(input, "<br>");
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input = RegexCenterText.Replace(input, "<center>$1</center>");
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input = RegexLeftText.Replace(input, "<left>$1</left>");
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input = RegexRightText.Replace(input, "<right>$1</right>");
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input = RegexSmallText.Replace(input, "<small>$1</small>");
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input = RegexBigText.Replace(input, "<big>$1</big>");
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input = RegexBoldText.Replace(input, "<b>$1</b>");
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input = RegexItalicText.Replace(input, "<i>$1</i>");
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input = RegexUnderlineText.Replace(input, "<u>$1</u>");
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input = RegexStrikeOutText.Replace(input, "<s>$1</s>");
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input = RegexUrl.Replace(input, "<a href=\"$1\">$1</a>");
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input = RegexUrlAnchored.Replace(input, "<a href=\"$1\">$2</a>");
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if (imgAsLink)
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{
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input = RegexImage.Replace(input, "<a href=\"$1\">$1</a>");
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input = RegexImageAnchored.Replace(input, "<a href=\"$1\">$2</a>");
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}
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input = RegexSizeAnchored.Replace(input, "<basefont size=$1>$2<basefont size=" + defaultSize + ">");
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if (defaultColor != null)
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{
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input = RegexColorAnchored.Replace(
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input,
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"<basefont color=$1>$2<basefont color=#" + defaultColor.Value.ToRgb().ToString("X6") + ">");
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}
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else
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{
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input = RegexColorAnchored.Replace(input, "<basefont color=$1>$2");
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}
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if (stripMisc)
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{
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input = RegexStripMisc.Replace(input, "($1) $2");
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}
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return input;
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}
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}
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} |