public override int GetFirstInterestedOffset(int startOffset)
{
RdfParseException parseEx = this.GetException();
if (parseEx == null)
{
return(-1);
}
if (parseEx.StartLine > CurrentContext.Document.LineCount)
{
return(-1);
}
if (this._options == null)
{
return(-1);
}
try
{
int offset = CurrentContext.Document.GetOffset(parseEx.StartLine, parseEx.StartPosition);
if (offset < startOffset)
{
int endOffset = CurrentContext.Document.GetOffset(parseEx.EndLine, parseEx.EndPosition);
if (startOffset < endOffset)
{
return(startOffset);
}
else
{
return(-1);
}
}
else
{
if (offset > 0 && offset > (startOffset + 1) && parseEx.StartLine == parseEx.EndLine && parseEx.StartPosition == parseEx.EndPosition)
{
return(offset - 1);
}
else
{
return(offset);
}
}
}
catch
{
return(-1);
}
}
public override VisualLineElement ConstructElement(int offset)
{
RdfParseException parseEx = this.GetException();
if (parseEx == null)
{
return(null);
}
if (parseEx.StartLine > CurrentContext.Document.LineCount)
{
return(null);
}
if (this._options == null)
{
return(null);
}
//Get the Start Offset which is the greater of the error start position or the offset start
//Move it back one if it is not at start of offset/document and the error is a single point
int startOffset = Math.Max(this.CurrentContext.Document.GetOffset(parseEx.StartLine, parseEx.StartPosition), offset);
if (startOffset > 0 && startOffset > offset && parseEx.StartLine == parseEx.EndLine && parseEx.StartPosition == parseEx.EndPosition)
{
startOffset--;
}
//Get the End Offset which is the lesser of the error end position of the end of this line
//If the Start and End Offsets are equal we can't show an error
int endOffset = Math.Min(this.CurrentContext.Document.GetOffset(parseEx.EndLine, parseEx.EndPosition), this.CurrentContext.VisualLine.LastDocumentLine.EndOffset);
if (startOffset == endOffset)
{
return(null);
}
if (startOffset > endOffset)
{
return(null);
}
System.Diagnostics.Debug.WriteLine("Input Offset: " + offset + " - Start Offset: " + startOffset + " - End Offset: " + endOffset);
return(new ValidationErrorLineText(this._options, this.CurrentContext.VisualLine, endOffset - startOffset));
}
private RdfParseException GetException()
{
if (this._adaptor.ErrorToHighlight == null)
{
return(null);
}
if (this._adaptor.ErrorToHighlight is RdfParseException)
{
RdfParseException parseEx = (RdfParseException)this._adaptor.ErrorToHighlight;
if (parseEx.HasPositionInformation)
{
return(parseEx);
}
else
{
return(null);
}
}
else
{
return(null);
}
}
