public IReadOnlyList <StyledSpan <TextStyle> > Highlight(string commandLine)
{
if (commandLine == null)
{
throw new ArgumentNullException(nameof(commandLine));
}
if (commandLine.Length == 0)
{
return(Array.Empty <StyledSpan <TextStyle> >());
}
if (String.IsNullOrWhiteSpace(commandLine))
{
return(GetDefaultForAll(commandLine));
}
var syntax = _parser.Parse(commandLine);
var highlights = new List <StyledSpan <TextStyle> >();
var visitorParams = new CommandLineHighlightingVisitorParams <TextStyle>(
highlights, _highlightingOptions.Palette);
syntax.Accept(_highlightingVisitor, visitorParams);
return(highlights);
}
public bool VisitCommandName(CommandNameSyntax commandName, CommandLineHighlightingVisitorParams <TStyle> param)
{
var spans = param.Spans;
var palette = param.Palette;
foreach (var namePart in commandName.NameParts)
{
AddSpans(spans, namePart, CommandLineStyleName.CommandName, palette);
}
return(false);
}
public bool VisitOption(OptionSyntax option, CommandLineHighlightingVisitorParams <TStyle> param)
{
var spans = param.Spans;
var palette = param.Palette;
if (option.NameMarker != null)
{
AddSpans(spans, option.NameMarker, CommandLineStyleName.OptionNameMarker, palette);
}
AddSpans(spans, option.Name, CommandLineStyleName.OptionName, palette);
if (option.ValueMarker != null)
{
AddSpans(spans, option.ValueMarker, CommandLineStyleName.OptionValueMarker, palette);
}
if (option.Value != null)
{
AddSpans(spans, option.Value, CommandLineStyleName.OptionValue, palette);
}
return(false);
}
public bool VisitCommandLine(CommandLineSyntax commandLine, CommandLineHighlightingVisitorParams <TStyle> param)
{
return(true);
}
public bool VisitValue(ValueSyntax value, CommandLineHighlightingVisitorParams <TStyle> param)
{
return(false);
}
public bool VisitOperand(OperandSyntax operand, CommandLineHighlightingVisitorParams <TStyle> param)
{
AddSpans(param.Spans, operand.Value, CommandLineStyleName.Operand, param.Palette);
return(false);
}
public bool VisitEndOfOptions(EndOfOptionsSyntax endOfOptions, CommandLineHighlightingVisitorParams <TStyle> param)
{
AddSpans(param.Spans, endOfOptions.Token, CommandLineStyleName.EndOfOptions, param.Palette);
return(false);
}
public bool VisitArgumentsSection(ArgumentsSectionSyntax argumentsSection, CommandLineHighlightingVisitorParams <TStyle> param)
{
return(true);
}
