private YamlFoldStart CreateElementFoldStart(TextDocument document, YamlReader reader)
{
var yamlFoldStart = new YamlFoldStart {
StartLine = reader.LineNumber,
StartOffset = document.GetOffset(reader.LineNumber, 1),
Name = reader.Key
};
return(yamlFoldStart);
}
/// <summary>
/// Create <see cref="T:ICSharpCode.AvalonEdit.Folding.NewFolding" />s for the specified document.
/// </summary>
public IEnumerable <NewFolding> CreateNewFoldings(TextDocument document, YamlReader reader, out int firstErrorOffset)
{
Stack <YamlFoldStart> yamlFoldStarts = new Stack <YamlFoldStart>();
List <NewFolding> foldMarkers = new List <NewFolding>();
try {
while (reader.ReadLine())
{
if (reader.Indent == 0 && !reader.IsEmptyLine)
{
if (yamlFoldStarts.Count > 0)
{
var foldStart = yamlFoldStarts.Pop();
if (foldStart.StartLine < reader.LineNumber - 1)
{
CreateElementFold(document, foldMarkers, reader, foldStart);
}
}
var elementFoldStart = CreateElementFoldStart(document, reader);
yamlFoldStarts.Push(elementFoldStart);
continue;
}
}
while (yamlFoldStarts.Count > 0)
{
var foldStart = yamlFoldStarts.Pop();
if (foldStart.StartLine < reader.LineNumber)
{
CreateElementFold(document, foldMarkers, reader, foldStart);
}
}
firstErrorOffset = -1;
}
catch (XmlException ex) {
firstErrorOffset = ex.LineNumber <1 || ex.LineNumber> document.LineCount
? 0
: document.GetOffset(ex.LineNumber, ex.LinePosition);
}
foldMarkers.Sort((Comparison <NewFolding>)((a, b) => a.StartOffset.CompareTo(b.StartOffset)));
return((IEnumerable <NewFolding>)foldMarkers);
}
private static void CreateElementFold(TextDocument document, List <NewFolding> foldMarkers, YamlReader reader, YamlFoldStart foldStart)
{
if (reader.IsLastLine)
{
foldStart.EndOffset = reader.LineOffset + reader.LineLength;
}
else
{
foldStart.EndOffset = reader.LineOffset - 2;
}
foldMarkers.Add((NewFolding)foldStart);
}
