private static string NormalizeNewLinesInWhitespace(string original, FormatContext context, int minimumNewLines, Func <String> noNewLinesProcessor)
{
int nNewLines = 0;
int idx = original.IndexOf(Environment.NewLine, StringComparison.OrdinalIgnoreCase);
while (idx > -1)
{
++nNewLines;
idx = original.IndexOf(Environment.NewLine, idx + 1, StringComparison.OrdinalIgnoreCase);
}
StringBuilder sb = new StringBuilder();
nNewLines = Math.Max(minimumNewLines, nNewLines);
for (int i = 0; i < nNewLines; i++)
{
sb.Append(Environment.NewLine);
}
sb.Append(context.GetIndentString());
if (nNewLines > 0)
{
return(sb.ToString());
}
else
{
return(noNewLinesProcessor());
}
}
private void DoFormat(string input, FormatOptions options, bool verifyOutput, Action <FormatterVisitor> postFormatAction)
{
Validate.IsNotNull(nameof(input), input);
Validate.IsNotNull(nameof(options), options);
ParseResult result = Parser.Parse(input);
FormatContext context = new FormatContext(result.Script, options);
FormatterVisitor visitor = new FormatterVisitor(context, ServiceProvider);
result.Script.Accept(visitor);
if (verifyOutput)
{
visitor.VerifyFormat();
}
postFormatAction?.Invoke(visitor);
}
internal static string NormalizeNewLinesOrCondenseToOneSpace(string original, FormatContext context)
{
return(NormalizeNewLinesOrCondenseToNSpaces(original, context, 1));
}
internal static string NormalizeNewLinesOrCondenseToNSpaces(string original, FormatContext context, int nSpaces)
{
return(NormalizeNewLinesInWhitespace(original, context, 0, () => { return new String(' ', nSpaces); }));
}
internal static string NormalizeNewLinesEnsureOneNewLineMinimum(string original, FormatContext context)
{
return(NormalizeNewLinesInWhitespace(original, context, 1));
}
private static string NormalizeNewLinesInWhitespace(string original, FormatContext context, int minimumNewLines)
{
return(NormalizeNewLinesInWhitespace(original, context, 1, () => { return original; }));
}
internal static string NormalizeToOneSpace(string original, FormatContext context)
{
return(" ");
}
internal static string NormalizeNewLinesInWhitespace(string original, FormatContext context)
{
return(NormalizeNewLinesInWhitespace(original, context, 0));
}
internal static string StripAllWhitespace(string original, FormatContext context)
{
return(String.Empty);
}
public FormatterVisitor(FormatContext context, IMultiServiceProvider serviceProvider)
: base()
{
Context = context;
this.serviceProvider = serviceProvider;
}
internal override string FormatWhitespace(string original, FormatContext context)
{
return(FormatterUtilities.NormalizeNewLinesEnsureOneNewLineMinimum(original, context));
}
internal override string FormatWhitespace(string original, FormatContext context)
{
return(FormatterUtilities.NormalizeNewLinesOrCondenseToOneSpace(original, context));
}
internal abstract string FormatWhitespace(string original, FormatContext context);
