public static bool ContainsEmoji(string str)
{
if (string.IsNullOrEmpty(str))
{
return(false);
}
TextElementEnumerator elementEnumerator = StringInfo.GetTextElementEnumerator(str);
bool flag1 = elementEnumerator.MoveNext();
while (flag1)
{
string textElement1 = elementEnumerator.GetTextElement();
string hexString1 = BrowserNavigationService.ConvertToHexString(Encoding.BigEndianUnicode.GetBytes(textElement1));
if (hexString1 == "")
{
flag1 = elementEnumerator.MoveNext();
}
else
{
bool flag2 = true;
bool flag3 = BrowserNavigationService._flagsPrefixes.Contains(hexString1);
int elementIndex = elementEnumerator.ElementIndex;
if ((flag3 || BrowserNavigationService._modificatableSmiles.Contains(hexString1)) && elementEnumerator.MoveNext())
{
string textElement2 = elementEnumerator.GetTextElement();
string hexString2 = BrowserNavigationService.ConvertToHexString(Encoding.BigEndianUnicode.GetBytes(textElement2));
if (hexString2 == "" && elementEnumerator.MoveNext())
{
textElement2 = elementEnumerator.GetTextElement();
hexString2 = BrowserNavigationService.ConvertToHexString(Encoding.BigEndianUnicode.GetBytes(textElement2));
}
if (hexString2 != "" && (flag3 || BrowserNavigationService._smilesModificators.Contains(hexString2)))
{
flag2 = false;
hexString1 += hexString2;
textElement1 += textElement2;
}
else
{
elementEnumerator.Reset();
elementEnumerator.MoveNext();
while (elementEnumerator.ElementIndex != elementIndex)
{
elementEnumerator.MoveNext();
}
}
}
if (flag2)
{
BrowserNavigationService.CheckRelationsSmiles(ref hexString1, ref elementEnumerator, ref textElement1);
}
if (Emoji.Dict.ContainsKey(hexString1))
{
return(true);
}
flag1 = elementEnumerator.MoveNext();
}
}
return(false);
}
private static void AddRawText(RichTextBox text_block, Paragraph par, string raw_text)
{
TextElementEnumerator elementEnumerator = StringInfo.GetTextElementEnumerator(raw_text);
StringBuilder stringBuilder = new StringBuilder();
bool flag1 = elementEnumerator.MoveNext();
while (flag1)
{
string textElement1 = elementEnumerator.GetTextElement();
string hexString1 = BrowserNavigationService.ConvertToHexString(Encoding.BigEndianUnicode.GetBytes(textElement1));
if (hexString1 == "")
{
flag1 = elementEnumerator.MoveNext();
}
else
{
bool flag2 = true;
bool flag3 = BrowserNavigationService._flagsPrefixes.Contains(hexString1);
int elementIndex = elementEnumerator.ElementIndex;
if ((flag3 || BrowserNavigationService._modificatableSmiles.Contains(hexString1)) && elementEnumerator.MoveNext())
{
string textElement2 = elementEnumerator.GetTextElement();
string hexString2 = BrowserNavigationService.ConvertToHexString(Encoding.BigEndianUnicode.GetBytes(textElement2));
if (hexString2 == "" && elementEnumerator.MoveNext())
{
textElement2 = elementEnumerator.GetTextElement();
hexString2 = BrowserNavigationService.ConvertToHexString(Encoding.BigEndianUnicode.GetBytes(textElement2));
}
if (hexString2 != "" && (flag3 || BrowserNavigationService._smilesModificators.Contains(hexString2)))
{
flag2 = false;
hexString1 += hexString2;
textElement1 += textElement2;
}
else
{
elementEnumerator.Reset();
elementEnumerator.MoveNext();
while (elementEnumerator.ElementIndex != elementIndex)
{
elementEnumerator.MoveNext();
}
}
}
if (flag2)
{
BrowserNavigationService.CheckRelationsSmiles(ref hexString1, ref elementEnumerator, ref textElement1);
}
string name;
Emoji.Dict.TryGetValue(hexString1, out name);
if (name != null)
{
string text = stringBuilder.ToString();
stringBuilder = stringBuilder.Clear();
if (text != string.Empty)
{
((PresentationFrameworkCollection <Inline>)par.Inlines).Add((Inline)BrowserNavigationService.GetRunWithStyle(text, text_block));
}
((PresentationFrameworkCollection <Inline>)par.Inlines).Add((Inline)BrowserNavigationService.GetImage(name));
}
else
{
stringBuilder = stringBuilder.Append(textElement1);
}
flag1 = elementEnumerator.MoveNext();
}
}
string text1 = stringBuilder.ToString();
if (!(text1 != string.Empty))
{
return;
}
((PresentationFrameworkCollection <Inline>)par.Inlines).Add((Inline)BrowserNavigationService.GetRunWithStyle(text1, text_block));
}
