/// <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>();
var useNoFollow = boardSettings.UseNoFollowLinks;
// check to see if no follow should be disabled since the message is properly aged
if (useNoFollow && boardSettings.DisableNoFollowLinksAfterDay > 0)
{
var 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
this.Get <IBBCode>()
.CreateBBCodeRules(ruleEngine, messageFlags.IsHtml, true, targetBlankOverride, useNoFollow);
// add email rule
// vzrus: it's freezing when post body contains full email address.
// the fix provided by community
var email = new VariableRegexReplaceRule(
_RgxEmail,
"${before}<a href=\"mailto:${inner}\">${inner}</a>",
new[] { "before" })
{
RuleRank = 31
};
ruleEngine.AddRule(email);
// URLs Rules
var target = (boardSettings.BlankLinks || targetBlankOverride) ? "target=\"_blank\"" : string.Empty;
var nofollow = useNoFollow ? "rel=\"nofollow\"" : string.Empty;
var youtubeVideo1 = new VariableRegexReplaceRule(
_RgxYoutube1,
"${before}<div class=\"YoutubeVideoEmbed\"><iframe src=\"//www.youtube.com/embed/${videoId}?wmode=transparent\" width=\"560\" height=\"315\" allowfullscreen=\"true\" allowscriptaccess=\"always\" scrolling=\"no\" frameborder=\"0\"></iframe></div>",
new[] { "before", "videoId" },
new[] { string.Empty },
50)
{
RuleRank = 40
};
ruleEngine.AddRule(youtubeVideo1);
var youtubeVideo2 = new VariableRegexReplaceRule(
_RgxYoutube2,
"${before}<div class=\"YoutubeVideoEmbed\"><iframe src=\"//www.youtube.com/embed/${videoId}?wmode=transparent\" width=\"560\" height=\"315\" allowfullscreen=\"true\" allowscriptaccess=\"always\" scrolling=\"no\" frameborder=\"0\"></iframe></div>",
new[] { "before", "videoId" },
new[] { string.Empty },
50)
{
RuleRank = 41
};
ruleEngine.AddRule(youtubeVideo2);
var url = new VariableRegexReplaceRule(
_RgxUrl1,
"${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);
// Format Emoticons
message = EmojiOne.ShortnameToUnicode(message, true);
return(message);
}
public void ShortnameToUnicode()
{
// shortname to unicode
string text = "Hello world! 😄 :smile:";
string expected = "Hello world! 😄 😄";
string actual = EmojiOne.ShortnameToUnicode(text);
Assert.AreEqual(expected, actual);
// single shortname
text = ":snail:";
expected = "🐌";
actual = EmojiOne.ShortnameToUnicode(text);
Assert.AreEqual(expected, actual);
// shortname mid sentence with a comma
text = "The :unicorn:, is Emoji One's official mascot.";
expected = "The 🦄, is Emoji One's official mascot.";
actual = EmojiOne.ShortnameToUnicode(text);
Assert.AreEqual(expected, actual);
// shortname at start of sentence
text = ":snail: mail.";
expected = "🐌 mail.";
actual = EmojiOne.ShortnameToUnicode(text);
Assert.AreEqual(expected, actual);
// shortname at start of sentence with apostrophe
text = ":snail:'s are cool!";
expected = "🐌's are cool!";
actual = EmojiOne.ShortnameToUnicode(text);
Assert.AreEqual(expected, actual);
// shortname shares a colon
text = ":invalid:snail:";
expected = ":invalid🐌";
actual = EmojiOne.ShortnameToUnicode(text);
Assert.AreEqual(expected, actual);
// mixed ascii, regular unicode and duplicate emoji
text = ":alien: is 👽 and 저 is not :alien: or :alien: also :randomy: is not emoji";
expected = "👽 is 👽 and 저 is not 👽 or 👽 also :randomy: is not emoji";
actual = EmojiOne.ShortnameToUnicode(text);
Assert.AreEqual(expected, actual);
// multiline emoji string
text = ":dancer:\n:dancer:";
expected = "💃\n💃";
actual = EmojiOne.ShortnameToUnicode(text);
Assert.AreEqual(expected, actual);
// triple emoji string
text = ":dancer::dancer::alien:";
expected = "💃💃👽";
actual = EmojiOne.ShortnameToUnicode(text);
Assert.AreEqual(expected, actual);
// shortname at end of sentence
text = "Emoji One's official mascot is :unicorn:.";
expected = "Emoji One's official mascot is 🦄.";
actual = EmojiOne.ShortnameToUnicode(text);
Assert.AreEqual(expected, actual);
// shortname at end of sentence with alternate punctuation
text = "Emoji One's official mascot is :unicorn:!";
expected = "Emoji One's official mascot is 🦄!";
actual = EmojiOne.ShortnameToUnicode(text);
Assert.AreEqual(expected, actual);
// shortname at end of sentence with preceeding colon
text = "Emoji One's official mascot: :unicorn:";
expected = "Emoji One's official mascot: 🦄";
actual = EmojiOne.ShortnameToUnicode(text);
Assert.AreEqual(expected, actual);
// shortname inside of IMG tag
text = $@"The <img class=""emojione"" alt="":unicorn:"" src=""{EmojiOne.ImagePath}{EmojiOne.EmojiSize}/1f984.png"" /> is Emoji One's official mascot.";
expected = text;
actual = EmojiOne.ShortnameToUnicode(text);
Assert.AreEqual(expected, actual);
// shortname to unicode with code pairs
text = ":nine:";
expected = "9⃣";
actual = EmojiOne.ShortnameToUnicode(text);
Assert.AreEqual(expected, actual);
// shortname alias
text = ":poo:";
expected = "💩";
actual = EmojiOne.ShortnameToUnicode(text);
Assert.AreEqual(expected, actual);
}