public static EmojiResult GetEmojiInPosition(char[] chars, int startIndex)
{
var emoji = GetBestBaseEmoji(chars, startIndex);
if (emoji == null)
{
return(null);
}
string fitzpatrick = null;
GenderType gender = GenderType.None;
var lastIndex = startIndex + emoji.Unicode.Length;
var sequenceType = emoji.Sequence;
if (sequenceType == Sequence.BaseSkinGender)
{
fitzpatrick = Fitzpatrick.Find(chars, lastIndex);
if (fitzpatrick != null)
{
lastIndex += 2;
}
var genderMatch = FindGender(chars, lastIndex);
if (genderMatch != null)
{
lastIndex = genderMatch.LastIndex;
gender = genderMatch.Gender;
}
}
else if (sequenceType == Sequence.GenderSkinBase)
{
var genderType = FindGender(emoji.Unicode);
if (genderType != GenderType.None)
{
gender = genderType;
}
fitzpatrick = Fitzpatrick.Find(chars, lastIndex);
if (fitzpatrick != null)
{
lastIndex += 2;
}
var baseEmoji = TryGetBestBaseEmoji(chars, lastIndex);
if (baseEmoji != null)
{
lastIndex += baseEmoji.Unicode.Length + 1;
emoji = baseEmoji;
}
}
if (chars.Length > lastIndex)
{
var ch = chars[lastIndex];
if (ch == '\uFE0F')
{
lastIndex++;
}
}
return(new EmojiResult(emoji, fitzpatrick, gender, chars, startIndex, lastIndex));
}
public string GetUnicode(string fitzpatrick)
{
if (Fitzpatrick.FitzpatrickFromUnicode(fitzpatrick) == null)
{
throw new ArgumentException("Invilid fitzpartick", "fitzpatrick");
}
if (!SupporrtsFitzpartick)
{
throw new InvalidOperationException("Emoji doesn't support fitzpatrick");
}
return(Unicode + fitzpatrick);
}
protected static AliasCandidate GetAliasAt(string input, int startIndex)
{
if (input.Length < startIndex + 2 || input[startIndex] != ':')
{
return(null);
}
var aliasLastIndex = input.IndexOf(':', startIndex + 2);
if (aliasLastIndex == -1)
{
return(null);
}
var fitzpatrickStart = input.IndexOf('|', startIndex + 2);
Emoji emoji = null;
if (fitzpatrickStart != -1 && fitzpatrickStart < aliasLastIndex)
{
emoji = EmojiManager.GetForAlias(input.Substring(startIndex, fitzpatrickStart - startIndex));
if (emoji == null)
{
return(null);
}
if (!emoji.SupporrtsFitzpartick)
{
return(null);
}
var fitzpatrick = Fitzpatrick.FitzpatrickFromType(input.Substring(fitzpatrickStart + 1, aliasLastIndex - fitzpatrickStart - 1));
return(new AliasCandidate(emoji, fitzpatrick, startIndex, aliasLastIndex));
}
emoji = EmojiManager.GetForAlias(input.Substring(startIndex, aliasLastIndex));
if (emoji == null)
{
return(null);
}
return(new AliasCandidate(emoji, null, startIndex, aliasLastIndex));
}