public object this[IDocument document, LineSegment line, int offset, int length]
{
get
{
if (length == 0)
{
return(null);
}
LookupTable.Node item = this.root;
int num = line.Offset + offset;
if (!this.casesensitive)
{
for (int i = 0; i < length; i++)
{
int upper = char.ToUpper(document.GetCharAt(num + i)) % 'Ā';
item = item[upper];
if (item == null)
{
return(null);
}
if (item.color != null && TextUtility.RegionMatches(document, this.casesensitive, num, length, item.word))
{
return(item.color);
}
}
}
else
{
for (int j = 0; j < length; j++)
{
int charAt = document.GetCharAt(num + j) % 'Ā';
item = item[charAt];
if (item == null)
{
return(null);
}
if (item.color != null && TextUtility.RegionMatches(document, num, length, item.word))
{
return(item.color);
}
}
}
return(null);
}
}
public object this[string keyword]
{
set
{
LookupTable.Node node = this.root;
LookupTable.Node item = this.root;
if (!this.casesensitive)
{
keyword = keyword.ToUpper();
}
this.length++;
for (int i = 0; i < keyword.Length; i++)
{
int num = keyword[i] % 'Ā';
char chr = keyword[i];
item = item[num];
if (item == null)
{
node[num] = new LookupTable.Node(value, keyword);
return;
}
if (item.word != null && item.word.Length != i)
{
string str = item.word;
object obj = item.color;
object obj1 = null;
string str1 = (string)obj1;
item.word = (string)obj1;
item.color = str1;
this[str] = obj;
}
if (i == keyword.Length - 1)
{
item.word = keyword;
item.color = value;
return;
}
node = item;
}
}
}