/// <summary>
/// Applies Custom YafBBCode Rules from the YafBBCode table
/// </summary>
/// <param name="rulesEngine">
/// The rules Engine.
/// </param>
protected void AddCustomBBCodeRules(IProcessReplaceRules rulesEngine)
{
var bbcodeTable = this.Get<YafDbBroker>().GetCustomBBCode();
// handle custom bbcodes row by row...
foreach (var codeRow in
bbcodeTable.Where<BBCode>(codeRow => !(codeRow.UseModule ?? false) && StringExtensions.IsSet(codeRow.SearchRegex)))
{
if (codeRow.Variables.IsSet())
{
// handle variables...
string[] variables = codeRow.Variables.Split(new[] { ';' });
var rule = new VariableRegexReplaceRule(
codeRow.SearchRegex, codeRow.ReplaceRegex, _Options, variables) { RuleRank = 50 };
rulesEngine.AddRule(rule);
}
else
{
// just standard replace...
var rule = new SimpleRegexReplaceRule(codeRow.SearchRegex, codeRow.ReplaceRegex, _Options)
{
RuleRank = 50
};
rulesEngine.AddRule(rule);
}
}
}
/// <summary>
/// The format message.
/// </summary>
/// <param name="message">
/// The message.
/// </param>
/// <param name="messageFlags">
/// The message flags.
/// </param>
/// <param name="targetBlankOverride">
/// The target blank override.
/// </param>
/// <param name="messageLastEdited">
/// The message last edited.
/// </param>
/// <returns>
/// The formatted message.
/// </returns>
public string FormatMessage(
[NotNull] string message,
[NotNull] MessageFlags messageFlags,
bool targetBlankOverride,
DateTime messageLastEdited)
{
var boardSettings = this.Get<YafBoardSettings>();
bool useNoFollow = boardSettings.UseNoFollowLinks;
// check to see if no follow should be disabled since the message is properly aged
if (useNoFollow && boardSettings.DisableNoFollowLinksAfterDay > 0)
{
TimeSpan messageAge = messageLastEdited - DateTime.UtcNow;
if (messageAge.Days > boardSettings.DisableNoFollowLinksAfterDay)
{
// disable no follow
useNoFollow = false;
}
}
// do html damage control
message = this.RepairHtml(message, messageFlags.IsHtml);
// get the rules engine from the creator...
var ruleEngine =
this.ProcessReplaceRuleFactory(
new[] { true /*messageFlags.IsBBCode*/, targetBlankOverride, useNoFollow });
// see if the rules are already populated...
if (!ruleEngine.HasRules)
{
// populate
// get rules for YafBBCode and Smilies
this.Get<IBBCode>().CreateBBCodeRules(
ruleEngine, true /*messageFlags.IsBBCode*/, targetBlankOverride, useNoFollow);
// add email rule
// vzrus: it's freezing when post body contains full email adress.
// the fix provided by community
var email = new VariableRegexReplaceRule(
_RgxEmail, "${before}<a href=\"mailto:${inner}\">${inner}</a>", new[] { "before" })
{ RuleRank = 10 };
ruleEngine.AddRule(email);
// URLs Rules
string target = (boardSettings.BlankLinks || targetBlankOverride) ? "target=\"_blank\"" : string.Empty;
string nofollow = useNoFollow ? "rel=\"nofollow\"" : string.Empty;
var url = new VariableRegexReplaceRule(
_RgxUrl1,
"${before}<a {0} {1} href=\"${inner}\" title=\"${inner}\">${innertrunc}</a>".Replace("{0}", target).Replace("{1}", nofollow),
new[] { "before" },
new[] { string.Empty },
50) { RuleRank = 42 };
ruleEngine.AddRule(url);
// ?<! - match if prefixes href="" and src="" are not present
// <inner> = named capture group
// (http://|https://|ftp://) - numbered capture group - select from 3 alternatives
// Match expression but don't capture it, one or more repetions, in the end is dot(\.)? here we match "www." - (?:[\w-]+\.)+
// Match expression but don't capture it, zero or one repetions (?:/[\w-./?%&=+;,:#~$]*[^.<])?
// (?<inner>(http://|https://|ftp://)(?:[\w-]+\.)+[\w-]+(?:/[\w-./?%&=+;,:#~$]*[^.<])?)
url = new VariableRegexReplaceRule(
_RgxUrl2,
"${before}<a {0} {1} href=\"${inner}\" title=\"${inner}\">${innertrunc}</a>".Replace("{0}", target).Replace("{1}", nofollow),
new[]
{
"before"
},
new[] { string.Empty },
50) { RuleRank = 43 };
ruleEngine.AddRule(url);
url = new VariableRegexReplaceRule(
_RgxUrl3,
"${before}<a {0} {1} href=\"http://${inner}\" title=\"http://${inner}\">${innertrunc}</a>".Replace(
"{0}", target).Replace("{1}", nofollow),
new[]
{
"before"
},
new[] { string.Empty },
50) { RuleRank = 44 };
ruleEngine.AddRule(url);
}
message = this.Get<IBadWordReplace>().Replace(message);
// process...
ruleEngine.Process(ref message);
return message;
}