Convert Text to HTML List (revised)

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Description	Converts the copied text into a HTML list. This Macro takes each line of the copied text and turns it into a HTML list item, then puts them into a HTML ordered or unordered list. This revised version uses spaces instead of tabs, and supports a detection of a few other list types.
Language	C# (.Net)
Minimum Version	3.3+
Created By	Jon Tackabury (BFS)
Contributors	-
Date Created	Aug 19, 2014
Date Last Modified	Aug 19, 2014

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using System; using System.Collections.Generic; using System.Text.RegularExpressions; public static class ClipboardFusionHelper { public static string ProcessText(string text) { // takes a string of text (typically multiline text) and converts it to a HTML list // it tries to be smart enough to identify either a ordered list, or unordered list, but // it only detects ordered lists if they start at the beginning (i.e., a, i, A, I, 0, or 1) // it also tries to account for cut'n'pasting lists out of MS Word // I've been having trouble with Regex $ - it seems to think the $ is between the \r and the \n, which isn't very helpful // this code isn't perfect, but it works well for me // use at your own discretion char chrLineIndent = ' '; // default to spaces int intLineIndentSize = 2; string strListType = "ul"; // default to an unordered list string strListCSS = ""; string strOutput = text.Trim(); // remove multiple white spaces characters and replace them with a single space strOutput = Regex.Replace(strOutput, @"[ \t]+", " "); // remove empty lines ($ doesn't seem to work very well) strOutput = Regex.Replace(strOutput, @"(?<linebreak>[\r\n]{1,2})+", "${linebreak}"); // trim the start and end of each line (Regex $ doesn't seem to work very well) strOutput = Regex.Replace(strOutput, @"(?:^[ \t]*)|(?:[ \t]*(?<linebreak>[\r\n]{1,2}))", "${linebreak}", RegexOptions.Multiline); if (Regex.IsMatch(strOutput , @"^[aiAI01][^\w0-9]+")) { // it looks like we are dealing with some sort of ordered list strListType = "ol"; // lets work out what type of ordered list it is switch (strOutput[0].ToString()) { case "a": strListCSS = "lower-alpha"; break; case "i": strListCSS = "lower-roman"; break; case "A": strListCSS = "upper-alpha"; break; case "I": strListCSS = "upper-roman"; break; case "0": strListCSS = "decimal-leading-zero"; break; } strListCSS = strListCSS.Length > 0 ? "list-style-type:" + strListCSS + ";" : ""; // remove the list item indicators strOutput = Regex.Replace(strOutput, @"^[a-zA-Z0-9]+[^\w0-9]+", "", RegexOptions.Multiline); } else if (Regex.IsMatch(strOutput, @"^[^a-np-zA-NP-Z0-9]+[^\w0-9]+")) { // it looks like we have some sort of bulleted unordered list // typical bullets include •, o, §, #, *, -, ->, =, Ø, etc. strListType = "ul"; // lets work out what type of unordered list it is switch (strOutput[0].ToString().ToLower()) { case "o": strListCSS = "circle"; break; case "[": strListCSS = "square"; break; case "■": strListCSS = "square"; break; case "▪": strListCSS = "square"; break; } strListCSS = strListCSS.Length > 0 ? "list-style-type:" + strListCSS + ";" : ""; // remove the list item indicators strOutput = Regex.Replace(strOutput, @"^[^a-np-zA-NP-Z0-9]+[^\w0-9]+", "", RegexOptions.Multiline); } string strLineIndent = new string(chrLineIndent, intLineIndentSize); // replace line breaks with <li>s (Regex $ doesn't seem to work very well) strOutput = Regex.Replace(strOutput, @"(?<linebreak>[\r\n]{1,2})", "</li>${linebreak}" + strLineIndent + "<li>"); strOutput = String.Format( "<{0}{1}>\r\n{2}<li>{3}</li>\r\n</{0}>", strListType, (strListCSS.Length > 0 ? " style=\"" + strListCSS + "\"" : ""), strLineIndent, strOutput ); return strOutput; } }