/// <summary>
/// Removes the specified <see cref="MessageEmote"/> from the collection.
/// </summary>
/// <param name="emote">The <see cref="MessageEmote"/> to remove.</param>
public void Remove(MessageEmote emote)
{
if (!_emoteList.ContainsKey(emote.Text))
{
return;
}
_emoteList.Remove(emote.Text);
// These patterns look a lot scarier than they are because we have to look for
// a lot of regex characters, which means we do a lot of escaping!
// Matches ^(\bEMOTE\b)| and ^(\bEMOTE\b)
// It's all grouped so that we can OR it with the second pattern.
string firstEmotePattern = @"(^\(\\b" + emote.EscapedText + @"\\b\)\|?)";
// Matches |(\bEMOTE\b) including the preceding | so that the following | and emote (if any)
// merge seamlessly when this section is removed. Again, wrapped in a group.
string otherEmotePattern = @"(\|\(\\b" + emote.EscapedText + @"\\b\))";
string newPattern = Regex.Replace(CurrentPattern, firstEmotePattern + "|" + otherEmotePattern, "");
if (newPattern.Equals(""))
{
CurrentPattern = null;
}
else
{
CurrentPattern = newPattern;
}
}
private string GetReplacementString(Match m)
{
if (_emoteList.ContainsKey(m.Value))
{
MessageEmote emote = _emoteList[m.Value];
if (CurrentEmoteFilter(emote))
{
return(emote.ReplacementString);
}
}
//If the match doesn't exist in the list ("shouldn't happen") or the filter excludes it, don't replace.
return(m.Value);
}
/// <summary>
/// A delegate which attempts to match the calling <see cref="MessageEmote"/> with its
/// <see cref="EmoteSource"/> and pulls the <see cref="EmoteSize.Small">small</see> version
/// of the URL.
/// </summary>
/// <param name="caller"></param>
/// <returns></returns>
public static string SourceMatchingReplacementText(MessageEmote caller)
{
int sizeIndex = (int)caller.Size;
switch (caller.Source)
{
case EmoteSource.BetterTwitchTv:
return(String.Format(BetterTwitchTvEmoteUrls[sizeIndex], caller.Id));
case EmoteSource.FrankerFaceZ:
return(String.Format(FrankerFaceZEmoteUrls[sizeIndex], caller.Id));
case EmoteSource.Twitch:
return(String.Format(TwitchEmoteUrls[sizeIndex], caller.Id));
}
return(caller.Text);
}
/// <summary>
/// Adds an <see cref="MessageEmote"/> to the collection. Duplicate emotes
/// (judged by <see cref="MessageEmote.Text"/>) are ignored.
/// </summary>
/// <param name="emote">The <see cref="MessageEmote"/> to add to the collection.</param>
public void Add(MessageEmote emote)
{
if (_emoteList.ContainsKey(emote.Text))
{
return;
}
_emoteList.Add(emote.Text, emote);
if (CurrentPattern == null)
{
//string i = String.Format(_basePattern, "(" + emote.EscapedText + "){0}");
CurrentPattern = String.Format(_basePattern, emote.EscapedText);
}
else
{
CurrentPattern = CurrentPattern + "|" + String.Format(_basePattern, emote.EscapedText);
}
}
/// <summary>
/// This emote filter includes only <see cref="MessageEmote"/>s provided by Twitch.
/// </summary>
/// <param name="emote">
/// A <see cref="MessageEmote"/> which will be replaced if its
/// <see cref="MessageEmote.Source">Source</see> is <see cref="MessageEmote.EmoteSource.Twitch"/>
/// </param>
/// <returns>true always</returns>
public static bool TwitchOnlyEmoteFilter(MessageEmote emote)
{
return(emote.Source == MessageEmote.EmoteSource.Twitch);
}
/// <summary>
/// The default emote filter includes every <see cref="MessageEmote"/> registered on this list.
/// </summary>
/// <param name="emote">An emote which is ignored in this filter.</param>
/// <returns>true always</returns>
public static bool AllInclusiveEmoteFilter(MessageEmote emote)
{
return(true);
}
