public static string WikiParse(this WikiSettings settings, string content)
{
using (HeavyProfiler.Log("Wiki"))
using (var t = HeavyProfiler.LogNoStackTrace("SaveCodeRegions"))
{
string result = content;
result = SaveCodeRegions(result, out Dictionary <string, string> codeRegions);
if (settings.EncodeHtml)
{
t.Switch("HtmlEncode");
//1: Replace token delimiters which are different from their encoded string so that they are not encoded
result = Regex.Replace(result, "'{2,}", m => "####" + m.Length + "####");
//2: Encode all text
result = HttpUtility.HtmlEncode(result);
//3: Replace encrypted tokens to original tokens
result = Regex.Replace(result, "####(?<count>\\d+)####", m => new string('\'', int.Parse(m.Groups["count"].Value)));
}
t.Switch("ProcessTokens");
result = ProcessTokens(result, settings);
t.Switch("ProcessFormat");
result = ProcessFormat(result, settings);
t.Switch("WriteCodeRegions");
result = WriteCodeRegions(result, codeRegions, settings);
return(result.Trim());
}
}
static string ProcessFormat(string content, WikiSettings settings)
{
content = RegexBoldItalics.Replace(content, (settings.Strong && settings.Em) ? "<strong><em>${content}</em></strong>" : "${content}");
content = RegexBold.Replace(content, settings.Strong ? "<strong>${content}</strong>" : "${content}");
content = RegexItalics.Replace(content, settings.Em ? "<em>${content}</em>" : "${content}");
content = RegexUnderline.Replace(content, settings.Underlined ? "<u>${content}</u>" : "${content}");
content = RegexStrike.Replace(content, settings.Strike ? "<s>${content}</s>" : "${content}");
content = RegexLI.Replace(content, settings.Lists ? "<li>${content}</li>" : "${content} ");
content = RegexOLI.Replace(content, settings.Lists ? "<oli>${content}</oli>" : "${content} ");
content = RegexUL.Replace(content, settings.Lists ? "<ul>${content}</ul>" : "${content} ");
content = RegexOL.Replace(content, settings.Lists ? "<ol>${content}</ol>" : "${content} ");
content = RegexLIFin.Replace(content, "li>");
content = RegexTitles.Replace(content, m =>
settings.Titles ? ("<h" + m.Groups["begin"].Length + ">" + m.Groups["content"].ToString().Trim() + "</h" + m.Groups["end"].Length + ">") :
m.Groups["content"].Value);
//Remove multiple breakline
if (settings.MaxTwoLineBreaks)
{
content = RegexMaxTwoLineBreaks.Replace(content, "\n\n");
}
if (settings.LineBreaks)
{
content = RegexNewLine.Replace(content, "<br/>");
content = RegexCarrageReturn.Replace(content, "");
}
return(content);
}
static HelpWiki()
{
DefaultWikiSettings = new WikiSettings(true);
DefaultWikiSettings.TokenParser += s => LinkParser(s)?.ToHtmlString();
DefaultWikiSettings.TokenParser += ProcessImages;
NoLinkWikiSettings = new WikiSettings(false) { LineBreaks = false };
NoLinkWikiSettings.TokenParser += s => LinkParser(s)?.Text;
NoLinkWikiSettings.TokenParser += RemoveImages;
}
private static string WriteCodeRegions(string result, Dictionary<string, string> codeRegions, WikiSettings settings)
{
result = Regex.Replace(result, @"%%%CODE%(?<guid>.+?)%%%", m =>
{
var value = codeRegions[m.Groups["guid"].Value];
return settings.CodeRegion ?
"<pre><code>" + (settings.EncodeHtml ? HttpUtility.HtmlEncode(value) : value) + "</code></pre>" :
codeRegions[m.Groups["guid"].Value];
});
return result;
}
static string ProcessTokens(string content, WikiSettings settings)
{
return(TokenRegex.Replace(content, m =>
{
string text = m.Groups["content"].Value.Replace("[[", "[").Replace("]]", "]");
try
{
return settings.TokenParser
.GetInvocationListTyped()
.Select(a => a(text))
.NotNull()
.FirstEx();
}
catch
{
return "<span class=\"sf-wiki-error\">{0}</span>".FormatWith(m.Value);
}
}));
}
public static MvcHtmlString WikiParse(this HtmlHelper helper, string text, WikiSettings settings)
{
return MvcHtmlString.Create(settings.WikiParse(text ?? "").Replace("\n", "<p>"));
}
static string ProcessFormat(string content, WikiSettings settings)
{
content = RegexBoldItalics.Replace(content,(settings.Strong && settings.Em) ? "<strong><em>${content}</em></strong>" : "${content}");
content = RegexBold.Replace(content, settings.Strong ? "<strong>${content}</strong>" : "${content}");
content = RegexItalics.Replace(content, settings.Em ? "<em>${content}</em>" : "${content}");
content = RegexUnderline.Replace(content, settings.Underlined ? "<u>${content}</u>" : "${content}");
content = RegexStrike.Replace(content, settings.Strike ? "<s>${content}</s>" : "${content}");
content = RegexLI.Replace(content, settings.Lists ? "<li>${content}</li>" : "${content} ");
content = RegexOLI.Replace(content, settings.Lists ? "<oli>${content}</oli>" : "${content} ");
content = RegexUL.Replace(content, settings.Lists ? "<ul>${content}</ul>" : "${content} ");
content = RegexOL.Replace(content, settings.Lists ? "<ol>${content}</ol>" : "${content} ");
content = RegexLIFin.Replace(content, "li>");
content = RegexTitles.Replace(content, m =>
settings.Titles ? ("<h" + m.Groups["begin"].Length + ">" + m.Groups["content"].ToString().Trim() + "</h" + m.Groups["end"].Length + ">") :
m.Groups["content"].Value);
//Remove multiple breakline
if (settings.MaxTwoLineBreaks)
{
content = RegexMaxTwoLineBreaks.Replace(content, "\n\n");
}
if (settings.LineBreaks)
{
content = RegexNewLine.Replace(content, "<br/>");
content = RegexCarrageReturn.Replace(content, "");
}
return content;
}
static string ProcessTokens(string content, WikiSettings settings)
{
return TokenRegex.Replace(content, m =>
{
string text = m.Groups["content"].Value.Replace("[[", "[").Replace("]]", "]");
try
{
return settings.TokenParser
.GetInvocationListTyped()
.Select(a => a(text))
.NotNull()
.FirstEx();
}
catch
{
return "<span class=\"sf-wiki-error\">{0}</span>".FormatWith(m.Value);
}
});
}
private static string WriteCodeRegions(string result, Dictionary <string, string> codeRegions, WikiSettings settings)
{
result = Regex.Replace(result, @"%%%CODE%(?<guid>.+?)%%%", m =>
{
var value = codeRegions[m.Groups["guid"].Value];
return(settings.CodeRegion ?
"<pre><code>" + (settings.EncodeHtml ? HttpUtility.HtmlEncode(value) : value) + "</code></pre>" :
codeRegions[m.Groups["guid"].Value]);
});
return(result);
}
