/// <summary>
/// Get the object, which was inserted under the keyword (line, at offset, with length length),
/// returns null, if no such keyword was inserted.
/// </summary>
public object this[IDocument document, LineSegment line, int offset, int length]
{
get
{
if (length == 0)
{
return(null);
}
Node next = root;
int wordOffset = line.Offset + offset;
if (casesensitive)
{
for (int i = 0; i < length; ++i)
{
int index = document.GetCharAt(wordOffset + i) % 256;
next = next[index];
if (next == null)
{
return(null);
}
if (next.color != null && TextUtility.RegionMatches(document, wordOffset, length, next.word))
{
return(next.color);
}
}
}
else
{
for (int i = 0; i < length; ++i)
{
int index = char.ToUpper(document.GetCharAt(wordOffset + i)) % 256;
next = next[index];
if (next == null)
{
return(null);
}
if (next.color != null && TextUtility.RegionMatches(document, casesensitive, wordOffset, length, next.word))
{
return(next.color);
}
}
}
return(null);
}
}
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 static bool RegionMatches(IDocument document, bool casesensitive, int offset, int length, char[] word)
{
if (casesensitive)
{
return(TextUtility.RegionMatches(document, offset, length, word));
}
if (length != (int)word.Length || document.TextLength < offset + length)
{
return(false);
}
for (int i = 0; i < length; i++)
{
if (char.ToUpper(document.GetCharAt(offset + i)) != char.ToUpper(word[i]))
{
return(false);
}
}
return(true);
}
