private static bool IsInTokenTypesArea(int position, TextArea textArea, EdgeTrackingMode edgeTrackingMode, params PSTokenType[] selectedPSTokenTypes)
{
if (position < 0 || position > textArea.Document.Text.Length)
{
return(false);
}
var scriptToCaret = string.Empty;
Execute.OnUIThread(() =>
{
scriptToCaret = textArea.Document.Text.Substring(0, textArea.Caret.Offset);
});
Token[] tokens;
ParseError[] errors;
System.Management.Automation.Language.Parser.ParseInput(scriptToCaret, out tokens, out errors);
if (tokens.Length > 0)
{
var filteredTokens = tokens.Where(t => selectedPSTokenTypes.Any(k => PSToken.GetPSTokenType(t) == k)).ToList();
switch (edgeTrackingMode)
{
case EdgeTrackingMode.NoneEdgeIncluded:
foreach (var token in filteredTokens)
{
if (token.Extent.StartOffset < position && position < token.Extent.EndOffset)
{
return(true);
}
if (position <= token.Extent.StartOffset)
{
return(false);
}
}
break;
case EdgeTrackingMode.LeftEdgeIncluded:
foreach (var token in filteredTokens)
{
if (token.Extent.StartOffset <= position && position < token.Extent.EndOffset)
{
return(true);
}
if (position < token.Extent.StartOffset)
{
return(false);
}
}
break;
case EdgeTrackingMode.RightEdgeIncluded:
foreach (var token in filteredTokens)
{
if (token.Extent.StartOffset < position && position <= token.Extent.EndOffset)
{
return(true);
}
if (position < token.Extent.StartOffset)
{
return(false);
}
}
break;
case EdgeTrackingMode.BothEdgesIncluded:
foreach (var token in filteredTokens)
{
if (token.Extent.StartOffset <= position && position <= token.Extent.EndOffset)
{
return(true);
}
if (position < token.Extent.StartOffset)
{
return(false);
}
}
break;
}
}
return(false);
}
private static bool IsInCertainPSTokenTypesArea(int position, ITextBuffer buffer, EdgeTrackingMode edgeTrackingMode, params PSTokenType[] selectedPSTokenTypes)
{
if (position < 0 || position > buffer.CurrentSnapshot.Length)
{
return(false);
}
Token[] tokens;
if (buffer.Properties.TryGetProperty <Token[]>(BufferProperties.Tokens, out tokens) && tokens != null && tokens.Length != 0)
{
var filteredTokens = tokens.Where(t => selectedPSTokenTypes.Any(k => PSToken.GetPSTokenType(t) == k)).ToList();
switch (edgeTrackingMode)
{
case EdgeTrackingMode.NoneEdgeIncluded:
foreach (var token in filteredTokens)
{
if (token.Extent.StartOffset < position && position < token.Extent.EndOffset)
{
return(true);
}
if (position <= token.Extent.StartOffset)
{
return(false);
}
}
break;
case EdgeTrackingMode.LeftEdgeIncluded:
foreach (var token in filteredTokens)
{
if (token.Extent.StartOffset <= position && position < token.Extent.EndOffset)
{
return(true);
}
if (position < token.Extent.StartOffset)
{
return(false);
}
}
break;
case EdgeTrackingMode.RightEdgeIncluded:
foreach (var token in filteredTokens)
{
if (token.Extent.StartOffset < position && position <= token.Extent.EndOffset)
{
return(true);
}
if (position < token.Extent.StartOffset)
{
return(false);
}
}
break;
case EdgeTrackingMode.BothEdgesIncluded:
foreach (var token in filteredTokens)
{
if (token.Extent.StartOffset <= position && position <= token.Extent.EndOffset)
{
return(true);
}
if (position < token.Extent.StartOffset)
{
return(false);
}
}
break;
default:
break;
}
}
return(false);
}