int FindNextWordOffset(Document doc, int offset, bool subword)
{
if (offset + 1 >= doc.Length)
{
return(doc.Length);
}
int result = offset + 1;
CC previous = SW.GetCharacterClass(doc.GetCharAt(result), subword, treat_);
bool inIndentifier = previous != CC.Unknown && previous != CC.Whitespace;
while (result < doc.Length)
{
char ch = doc.GetCharAt(result);
CC current = SW.GetCharacterClass(ch, subword, treat_);
//camelCase / PascalCase splitting
if (subword)
{
if (current == CC.Digit && (previous != CC.Digit || (result - 1 == offset && !Char.IsDigit(doc.GetCharAt(result - 1)))))
{
break;
}
else if (previous == CC.Digit && current != CC.Digit)
{
break;
}
else if (current == CC.UppercaseLetter && previous != CC.UppercaseLetter)
{
break;
}
else if (current == CC.LowercaseLetter && previous == CC.UppercaseLetter && result - 2 > 0 &&
SW.GetCharacterClass(doc.GetCharAt(result - 2), subword, treat_) != CC.LowercaseLetter)
{
result--;
break;
}
}
//else break at end of identifiers
if (previous != CC.Unknown && previous != CC.Whitespace)
{
inIndentifier = true;
}
else if (inIndentifier)
{
result--;
break;
}
previous = current;
result++;
}
foreach (FoldSegment segment in doc.GetFoldingsFromOffset(result))
{
if (segment.IsFolded)
{
result = System.Math.Max(result, segment.EndLine.Offset + segment.EndColumn);
}
}
return(result);
}
int FindPrevWordOffset(TextDocument doc, int offset, bool subword)
{
if (offset <= 0)
{
return(0);
}
int result = offset - 1;
CC previous = SW.GetCharacterClass(doc.GetCharAt(result), subword, includeUnderscore);
bool inIndentifier = previous != CC.Unknown && previous != CC.Whitespace;
while (result > 0)
{
char ch = doc.GetCharAt(result);
CC current = SW.GetCharacterClass(ch, subword, includeUnderscore);
//camelCase / PascalCase splitting
if (subword)
{
if (current == CC.Digit && previous != CC.Digit)
{
result++;
break;
}
else if (previous == CC.Digit && current != CC.Digit)
{
result++;
break;
}
else if (current == CC.UppercaseLetter && previous != CC.UppercaseLetter)
{
break;
}
else if (current == CC.LowercaseLetter && previous == CC.UppercaseLetter && result + 2 < doc.TextLength &&
SW.GetCharacterClass(doc.GetCharAt(result + 2), subword, includeUnderscore) != CC.LowercaseLetter)
{
result++;
break;
}
}
//else break at end of identifiers
if (previous != CC.Unknown && previous != CC.Whitespace)
{
inIndentifier = true;
}
else if (inIndentifier)
{
result += 2;
break;
}
previous = current;
result--;
}
foreach (FoldSegment segment in doc.GetFoldingsFromOffset(result))
{
if (segment.IsFolded)
{
result = System.Math.Min(result, segment.StartLine.Offset + segment.Column);
}
}
return(result);
}