/// <summary>
/// Create an element fold if the start and end tag are on
/// different lines.
/// </summary>
private static void CreateElementFold(IDocument document, List <Fold> foldMarkers, XmlTextReader reader, XmlFoldStart foldStart)
{
int endLine = reader.LineNumber - 1;
if (endLine > foldStart.Line)
{
int endCol = reader.LinePosition + foldStart.Name.Length;
Fold fold = new Fold(document, foldStart.Line, foldStart.Column, endLine, endCol, foldStart.FoldText);
foldMarkers.Add(fold);
}
}
/// <summary>
/// Gets the folds from position.
/// </summary>
/// <param name="line">The line.</param>
/// <param name="column">The column.</param>
/// <returns>The folds that include the specified position.</returns>
public List <Fold> GetFoldsFromPosition(int line, int column)
{
List <Fold> foldings = new List <Fold>();
if (_folds != null)
{
for (int i = 0; i < _folds.Count; ++i)
{
Fold fold = _folds[i];
if ((fold.StartLine == line && column > fold.StartColumn && !(fold.EndLine == line && column >= fold.EndColumn)) ||
(fold.EndLine == line && column < fold.EndColumn && !(fold.StartLine == line && column <= fold.StartColumn)) ||
(line > fold.StartLine && line < fold.EndLine))
{
foldings.Add(fold);
}
}
}
return(foldings);
}
List <Fold> GetFoldsByStartAfterColumn(int lineNumber, int column, bool forceFolded)
{
List <Fold> foldings = new List <Fold>();
if (_folds != null)
{
Fold reference = new Fold(_document, lineNumber, column, lineNumber, column);
int index = _folds.BinarySearch(reference, FoldStartComparer.Instance);
if (index < 0)
{
index = ~index;
}
for (; index < _folds.Count; index++)
{
Fold fold = _folds[index];
if (fold.StartLine < lineNumber)
{
continue;
}
else if (fold.StartLine > lineNumber)
{
break;
}
if (fold.StartColumn <= column)
{
continue;
}
if (!forceFolded || fold.IsFolded)
{
foldings.Add(fold);
}
}
}
return(foldings);
}
/// <summary>
/// Creates a comment fold if the comment spans more than one line.
/// </summary>
/// <remarks>The text displayed when the comment is folded is the first
/// line of the comment.</remarks>
private static void CreateCommentFold(IDocument document, List <Fold> foldMarkers, XmlTextReader reader)
{
if (reader.Value != null)
{
string comment = reader.Value.Replace("\r\n", "\n");
string[] lines = comment.Split('\n');
if (lines.Length > 1)
{
// Take off 5 chars to get the actual comment start (takes
// into account the <!-- chars.
int startCol = reader.LinePosition - 5;
int startLine = reader.LineNumber - 1;
// Add 3 to the end col value to take into account the '-->'
int endCol = lines[lines.Length - 1].Length + startCol + 3;
int endLine = startLine + lines.Length - 1;
string foldText = String.Concat("<!--", lines[0], "-->");
Fold fold = new Fold(document, startLine, startCol, endLine, endCol, foldText);
foldMarkers.Add(fold);
}
}
}
