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200 lines
9.8 KiB
200 lines
9.8 KiB
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Web;
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using System.Text.RegularExpressions;
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using PJonDevelopment.BBCode;
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using System.IO;
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using Web.Core;
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using FLocal.Common.helpers;
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namespace FLocal.Common {
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public static class UBBParser {
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private class BBParserGateway {
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private class SimpleFormatter : ITextFormatter<BBCodes.IPostParsingContext> {
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public static readonly SimpleFormatter instance = new SimpleFormatter();
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private SimpleFormatter() {
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}
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public string Format(BBCodes.IPostParsingContext context, string source) {
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return source;
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}
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}
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private class TextFormatter : ITextFormatter<BBCodes.IPostParsingContext> {
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public static readonly TextFormatter instance = new TextFormatter();
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private static readonly Dictionary<string, string> SMILEYS = new Dictionary<string, string> {
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{ ":)", "smile" },
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{ ":(", "frown" },
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{ ":o", "blush" },
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{ ":D", "laugh" },
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{ ";)", "wink" },
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{ ":p", "tongue" },
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/*{ ":cool:", "cool" },
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{ ":crazy:", "crazy" },
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{ ":mad:", "mad" },
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{ ":shocked:", "shocked" },
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{ ":smirk:", "smirk" },
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{ ":grin:", "grin" },
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{ ":ooo:", "ooo" },
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{ ":confused:", "confused" },
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{ ":lol:", "lol" },*/
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};
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private static readonly Dictionary<Regex, MatchEvaluator> SMILEYS_DATA = (from smile in SMILEYS select new KeyValuePair<Regex, MatchEvaluator>(new Regex("(^|\\s|>)" + Regex.Escape(smile.Key) + "($|\\s|<)", RegexOptions.Compiled | RegexOptions.IgnoreCase | RegexOptions.Singleline), match => match.Groups[1] + "<img src=\"/static/smileys/" + smile.Value + ".gif\" alt=\"" + smile.Key + "\"/>" + match.Groups[2])).ToDictionary(kvp => kvp.Key, kvp => kvp.Value);
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private static readonly Regex SMILEYS_MATCHER = new Regex("(?<=^|\\s|>)\\:(\\w+)\\:(?=$|\\s|<)", RegexOptions.Compiled | RegexOptions.Singleline);
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private static string SMILEYS_REPLACE(Match match) {
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FileInfo smiley = new FileInfo(Config.instance.dataDir + "Static\\smileys\\" + match.Groups[1] + ".gif");
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if(smiley.Exists && smiley.FullName.StartsWith(Config.instance.dataDir + "Static\\smileys\\")) {
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return "<img src=\"/static/smileys/" + match.Groups[1] + ".gif\" alt=\"" + match.Groups[1] + "\"/>";
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} else {
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return match.Value;
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}
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}
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private static readonly Regex LINKS_MATCHER = new Regex("https?://[^\\s\\[<]+", RegexOptions.Singleline | RegexOptions.Compiled);
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private static string LINKS_REPLACE(Match match) {
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string url = match.Value.TrimEnd('!', '?', ',', '.');
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string remainder = match.Value.Substring(url.Length);
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return BBCodes.UrlProcessor.ProcessLink(url, null, true) + remainder;
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}
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private static readonly Regex USERS_MATCHER = new Regex("(?<start>^|\\W)@(?<username>\\w+)(?<end>\\W|$)", RegexOptions.Singleline | RegexOptions.Compiled);
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private static string USERS_REPLACE(BBCodes.IPostParsingContext context, Match match) {
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string start = match.Groups["start"].Value;
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string username = match.Groups["username"].Value;
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string end = match.Groups["end"].Value;
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return start + BBCodes.UserMentionProcessor.ProcessUserMention(context, username) + end;
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}
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private static readonly Dictionary<Regex, MatchEvaluator> TYPOGRAPHICS = new Dictionary<Regex, MatchEvaluator> {
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{ new Regex("(?<=\\s)--?(?=\\s)", RegexOptions.Compiled | RegexOptions.IgnoreCase | RegexOptions.Singleline), match => "–" },
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{ new Regex("(?<=\\s)---(?=\\s)", RegexOptions.Compiled | RegexOptions.IgnoreCase | RegexOptions.Singleline), match => "—" },
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{ new Regex("\\(c\\)", RegexOptions.Compiled | RegexOptions.IgnoreCase | RegexOptions.Singleline), match => "©" },
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{ new Regex("\\(r\\)", RegexOptions.Compiled | RegexOptions.IgnoreCase | RegexOptions.Singleline), match => "®" },
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{ new Regex("\\(tm\\)", RegexOptions.Compiled | RegexOptions.IgnoreCase | RegexOptions.Singleline), match => "™" },
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{ new Regex("\\+\\-", RegexOptions.Compiled | RegexOptions.IgnoreCase | RegexOptions.Singleline), match => "±" },
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{ new Regex("<=", RegexOptions.Compiled | RegexOptions.IgnoreCase | RegexOptions.Singleline), match => "≤" },
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{ new Regex(">=", RegexOptions.Compiled | RegexOptions.IgnoreCase | RegexOptions.Singleline), match => "≥" },
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{ new Regex("!=", RegexOptions.Compiled | RegexOptions.IgnoreCase | RegexOptions.Singleline), match => "≠" },
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{ new Regex("~=", RegexOptions.Compiled | RegexOptions.IgnoreCase | RegexOptions.Singleline), match => "≈" },
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{ new Regex("=>", RegexOptions.Compiled | RegexOptions.IgnoreCase | RegexOptions.Singleline), match => "⇒" },
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{ new Regex("<->", RegexOptions.Compiled | RegexOptions.IgnoreCase | RegexOptions.Singleline), match => "↔" },
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{ new Regex("->", RegexOptions.Compiled | RegexOptions.IgnoreCase | RegexOptions.Singleline), match => "→" },
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{ new Regex("<-", RegexOptions.Compiled | RegexOptions.IgnoreCase | RegexOptions.Singleline), match => "←" },
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};
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private ITextFormatter<BBCodes.IPostParsingContext> inner;
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private TextFormatter() {
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this.inner = new BBCodeHtmlFormatter<BBCodes.IPostParsingContext>();
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}
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public string Format(BBCodes.IPostParsingContext context, string source) {
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string result = this.inner.Format(context, source).Replace(" ", " ");
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result = LINKS_MATCHER.Replace(result, LINKS_REPLACE);
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result = USERS_MATCHER.Replace(result, match => USERS_REPLACE(context, match));
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foreach(var smile in SMILEYS_DATA) {
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result = smile.Key.Replace(result, smile.Value);
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}
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result = SMILEYS_MATCHER.Replace(result, SMILEYS_REPLACE);
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foreach(var kvp in TYPOGRAPHICS) {
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result = kvp.Key.Replace(result, kvp.Value);
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}
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return result;
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}
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}
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public static readonly BBParserGateway instance = new BBParserGateway();
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private BBCodeParser<BBCodes.IPostParsingContext> parser;
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private ITextFormatter<BBCodes.IPostParsingContext> formatter;
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private BBCodeParser<BBCodes.IPostParsingContext> quotesParser;
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private ITextFormatter<BBCodes.IPostParsingContext> simpleFormatter;
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private BBParserGateway() {
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this.parser = new BBCodeParser<BBCodes.IPostParsingContext>();
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this.parser.ElementTypes.Add("b", typeof(BBCodes.B), true);
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this.parser.ElementTypes.Add("code", typeof(BBCodes.Code), true);
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this.parser.ElementTypes.Add("ecode", typeof(BBCodes.ECode), true);
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this.parser.ElementTypes.Add("font", typeof(BBCodes.Font), true);
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this.parser.ElementTypes.Add("color", typeof(BBCodes.FontColor), true);
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this.parser.ElementTypes.Add("size", typeof(BBCodes.FontSize), true);
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this.parser.ElementTypes.Add("furl", typeof(BBCodes.FUrl), true);
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this.parser.ElementTypes.Add("google", typeof(BBCodes.Google), true);
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this.parser.ElementTypes.Add("i", typeof(BBCodes.I), true);
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this.parser.ElementTypes.Add("image", typeof(BBCodes.Image), true);
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this.parser.ElementTypes.Add("list", typeof(BBCodes.List), true);
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this.parser.ElementTypes.Add("lurk", typeof(BBCodes.Lurk), true);
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this.parser.ElementTypes.Add("math", typeof(BBCodes.Math), true);
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this.parser.ElementTypes.Add("*", typeof(BBCodes.ListElem), false);
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this.parser.ElementTypes.Add("poll", typeof(BBCodes.Poll), true);
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this.parser.ElementTypes.Add("post", typeof(BBCodes.Post), true);
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this.parser.ElementTypes.Add("quote", typeof(BBCodes.Quote), true);this.parser.ElementTypes.Add("q", typeof(BBCodes.Quote), true);
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this.parser.ElementTypes.Add("s", typeof(BBCodes.S), true);
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this.parser.ElementTypes.Add("spoiler", typeof(BBCodes.Spoiler), true);this.parser.ElementTypes.Add("cut", typeof(BBCodes.Spoiler), true);
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this.parser.ElementTypes.Add("tex", typeof(BBCodes.Tex), true);
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this.parser.ElementTypes.Add("thread", typeof(BBCodes.Thread), true);
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this.parser.ElementTypes.Add("u", typeof(BBCodes.U), true);
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this.parser.ElementTypes.Add("uploadimage", typeof(BBCodes.UploadImage), true);
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this.parser.ElementTypes.Add("uploadlink", typeof(BBCodes.UploadLink), true);
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this.parser.ElementTypes.Add("url", typeof(BBCodes.Url), true);
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this.parser.ElementTypes.Add("user", typeof(BBCodes.User), false);
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this.parser.ElementTypes.Add("wiki", typeof(BBCodes.Wiki), true);
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this.parser.ElementTypes.Add("ruwiki", typeof(BBCodes.RuWiki), true);
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this.formatter = TextFormatter.instance;
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this.quotesParser = new BBCodeParser<BBCodes.IPostParsingContext>();
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foreach(var elementType in this.parser.ElementTypes) {
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this.quotesParser.ElementTypes.Add(elementType.Key, typeof(BBCodes.QuoteSkipper), elementType.Value.RequireClosingTag);
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}
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this.simpleFormatter = SimpleFormatter.instance;
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}
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public string Parse(BBCodes.IPostParsingContext context, string input) {
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string result = this.parser.Parse(input).Format(context, this.formatter);
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if(result.EndsWith("<br/>")) result = result.Substring(0, result.Length - 5);
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return result;
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}
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public string ParseQuote(string input) {
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string result = this.quotesParser.Parse(input).Format(CreateStubContext(), this.simpleFormatter);
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return result;
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}
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}
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private static BBCodes.IPostParsingContext CreateStubContext() {
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return new DelegatePostParsingContext(user => {});
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}
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public static string UBBToIntermediate(BBCodes.IPostParsingContext context, string UBB) {
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return BBParserGateway.instance.Parse(context, UBB);
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}
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public static string UBBToIntermediate(string UBB) {
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return UBBToIntermediate(CreateStubContext(), UBB);
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}
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public static string ShallerToUBB(string shaller) {
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return shaller;
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}
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public static string StripQuotes(string UBB) {
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return BBParserGateway.instance.ParseQuote(UBB);
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}
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}
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}
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