public static CommandRange InnerBlock(TextEditorData editor, char openingChar, char closingChar)
{
var range = Block(editor, openingChar, closingChar);
if (range.Length == 0)
return CommandRange.Empty;
int start = range.Start + 1;
int end = range.End - 2;
var line = editor.GetLine(editor.OffsetToLineNumber(range.Start));
// exclude newline if it comes just after opening char
if (line.EndOffsetIncludingDelimiter - start <= line.DelimiterLength)
start += line.DelimiterLength;
// exclude whitespace that comes just before the closing char...
line = editor.GetLine(editor.OffsetToLineNumber(range.End));
while (Char.IsWhiteSpace(editor.Text[end]) && end >= line.Offset)
end--;
//.. but only if newline comes after it
if (end >= line.Offset)
end = range.End - 2;
else
end -= line.PreviousLine.DelimiterLength;
if (start > end + 1)
return new CommandRange(start, start);
return new CommandRange(start, end+1);
}
/// <summary>
/// Gets the outermost closed fold pertaining to the current caret position
/// </summary>
static FoldSegment GetOutermostClosedFold (TextEditorData data)
{
FoldSegment currentFold = null;
int endOffset = -1, startOffset = int.MaxValue;
IEnumerable<FoldSegment> folds = data.Document.GetFoldingContaining (data.Caret.Line);
int lineNumber = data.LogicalToVisualLocation (data.Caret.Location).Line;
if (null != folds) {
foreach (FoldSegment fold in folds) {
if (fold.IsFolded && data.LogicalToVisualLine (data.OffsetToLineNumber (fold.Offset)) == lineNumber &&
fold.Offset <= startOffset && fold.EndOffset >= endOffset) {
currentFold = fold;
startOffset = fold.Offset;
endOffset = fold.EndOffset;
}
}
}
return currentFold;
}
/// <summary>
/// Gets the outermost closed fold pertaining to the current caret position
/// </summary>
static FoldSegment GetOutermostClosedFold(TextEditorData data)
{
FoldSegment currentFold = null;
int endOffset = -1, startOffset = int.MaxValue;
IEnumerable <FoldSegment> folds = data.Document.GetFoldingContaining(data.Caret.Line);
int lineNumber = data.LogicalToVisualLocation(data.Caret.Location).Line;
if (null != folds)
{
foreach (FoldSegment fold in folds)
{
if (fold.IsFolded && data.LogicalToVisualLine(data.OffsetToLineNumber(fold.Offset)) == lineNumber &&
fold.Offset <= startOffset && fold.EndOffset >= endOffset)
{
currentFold = fold;
startOffset = fold.Offset;
endOffset = fold.EndOffset;
}
}
}
return(currentFold);
}
int CorrectFormatting (TextEditorData data, int start, int end)
{
int delta = 0;
int lineNumber = data.OffsetToLineNumber (start);
LineSegment line = data.GetLine (lineNumber);
if (line.Offset < start)
lineNumber++;
line = data.GetLine (lineNumber);
if (line == null)
return 0;
bool wholeDocument = end >= data.Document.Length;
do {
string indent = line.GetIndentation (data.Document);
StringBuilder newIndent = new StringBuilder ();
int col = 1;
if (data.Options.TabsToSpaces) {
foreach (char ch in indent) {
if (ch == '\t') {
int tabWidth = TextViewMargin.GetNextTabstop (data, col) - col;
newIndent.Append (new string (' ', tabWidth));
col += tabWidth;
} else {
newIndent.Append (ch);
}
}
} else {
for (int i = 0; i < indent.Length; i++) {
char ch = indent [i];
if (ch == '\t') {
int tabWidth = TextViewMargin.GetNextTabstop (data, col) - col;
newIndent.Append (ch);
col += tabWidth;
} else {
int tabWidth = TextViewMargin.GetNextTabstop (data, col) - col;
newIndent.Append ('\t');
col += tabWidth;
while (tabWidth-- > 0 && i + 1 < indent.Length) {
if (indent [i + 1] != ' ')
break;
i++;
}
}
}
}
if (indent.Length == line.EditableLength)
newIndent.Length = 0;
if (line.DelimiterLength != 0) {
delta -= line.DelimiterLength;
delta += data.EolMarker.Length;
data.Replace (line.Offset + line.EditableLength, line.DelimiterLength, data.EolMarker);
if (!wholeDocument) {
end -= line.DelimiterLength;
end += data.EolMarker.Length;
}
}
string replaceWith = newIndent.ToString ();
if (indent != replaceWith) {
int count = (indent ?? "").Length;
delta -= count;
delta += data.Replace (line.Offset, count, replaceWith);
if (!wholeDocument)
end = end - count + replaceWith.Length;
}
lineNumber++;
line = data.GetLine (lineNumber);
} while (line != null && (wholeDocument || line.EndOffset <= end));
return delta;
}
