public static (int, string) GetWordIndexPair(string text, int charIndex, SearchCharType type = SearchCharType.None)
{
var wIndex = GetWordIndex(text, charIndex, type);
//Debug.Log(wIndex);
return(wIndex, text.Split(SplitPattern, StringSplitOptions.RemoveEmptyEntries).ElementAtOrDefault(wIndex));
}
//A word is a string or char between white spaces or new lines or null chars
public static int GetWordIndex(string text, int charIndex, SearchCharType type = SearchCharType.None)
{
var wIndex = 0;
var whiteSpacesCount = -1;
var exit = false;
for (int i = 0; i < text.Length; i++)
{
if (charIndex == i)
{
break;
}
while (text.ElementAtOrDefault(i).IsValidChar())
{
i++;
whiteSpacesCount = 0;
if (charIndex == i)
{
exit = true;
}
}
if (exit)
{
break;
}
whiteSpacesCount++;
if (whiteSpacesCount == 1)
{
wIndex++;
}
else
{
whiteSpacesCount = -1;
}
}
if (type != SearchCharType.None)
{
var value = type == SearchCharType.Right ? 1 : -1;
if (!text.ElementAtOrDefault(charIndex + value).IsValidChar())
{
wIndex = -1;
}
}
return(wIndex);
}