private string GetFixedText(string input)
{
if (string.IsNullOrEmpty(input))
{
return(input);
}
finalText.Clear();
RTLSupport.FixRTL(input, finalText, farsi, fixTags, preserveNumbers);
finalText.Reverse();
return(finalText.ToString());
}
/// <summary>
/// Fixes rich text tags in input string and returns the result.
/// </summary>
public static void Fix(FastStringBuilder text)
{
for (int i = 0; i < text.Length; i++)
{
FindTag(text, i, out int tagStart, out int tagEnd, out int tagType, out int hashCode);
// If we couldn't find a tag, end the process
if (tagType == 0)
{
break;
}
switch (tagType)
{
case 1: // Opening tag
{
Tag closingTag = default;
// Search and find the closing tag for this
bool foundClosingTag = false;
for (int j = ClosedTagsHash.Count - 1; j >= 0; j--)
{
if (ClosedTagsHash[j] == hashCode)
{
closingTag = ClosedTags[j];
foundClosingTag = true;
ClosedTags.RemoveAt(j);
ClosedTagsHash.RemoveAt(j);
break;
}
}
if (foundClosingTag)
{
// NOTE: order of execution is important here
int openingTagLength = tagEnd - tagStart;
int closingTagLength = closingTag.End - closingTag.Start;
text.Reverse(tagStart, openingTagLength);
text.Reverse(closingTag.Start, closingTagLength);
}
else
{
text.Reverse(tagStart, tagEnd - tagStart);
}
break;
}
case 2: // Closing tag
{
ClosedTags.Add(new Tag(tagStart, tagEnd));
ClosedTagsHash.Add(hashCode);
break;
}
case 3: // Self contained tag
{
text.Reverse(tagStart, tagEnd - tagStart);
break;
}
}
i = tagEnd;
}
}
