private bool FixPathFragmentLiteral(ILiteralLikeNode node, bool maintainCaseOfLast)
{
var fragments = node.Text.Split(ExpectedPathSeparator, IllegalPathSeparator);
if (LowerCaseDirectories)
{
int charOffSetForError = 0;
int nrOfFragmentsToFix = fragments.Length;
if (maintainCaseOfLast)
{
// Don't address the case of the last fragment.
nrOfFragmentsToFix--;
}
// lowercase all parts of the path when requested.
for (int i = 0; i < nrOfFragmentsToFix; i++)
{
var fragment = fragments[i];
var lowerFragment = fragment.ToLowerInvariant();
fragments[i] = lowerFragment;
charOffSetForError += fragment.Length + 1; /*1 extra for the path separator*/
}
}
node.Text = string.Join(ExpectedPathSeparator.ToString(), fragments);
return(true);
}
private bool AnalyzePathFragmentLiteral(ILiteralLikeNode node, bool maintainCaseOfLast, DiagnosticsContext context, Logger logger, LoggingContext loggingContext)
{
Contract.Requires(context != null, "context is required when analyzing and validating.");
var illegalIndex = node.Text.IndexOf(IllegalPathSeparator);
if (illegalIndex >= 0)
{
var location = node.LocationForLogging(context.SourceFile);
location.Position += illegalIndex;
logger.PathFixerIllegalPathSeparator(loggingContext, location, node.Text, ExpectedPathSeparator, IllegalPathSeparator);
return(false);
}
if (!LowerCaseDirectories)
{
return(true);
}
var fragments = node.Text.Split(ExpectedPathSeparator, IllegalPathSeparator);
int charOffSetForError = 0;
int nrOfFragmentsToFix = fragments.Length;
if (maintainCaseOfLast)
{
// Don't address the case of the last fragment.
nrOfFragmentsToFix--;
}
// lowercase all parts of the path when requested.
for (int i = 0; i < nrOfFragmentsToFix; i++)
{
var fragment = fragments[i];
var lowerFragment = fragment.ToLowerInvariant();
if (!string.Equals(lowerFragment, fragment, StringComparison.Ordinal))
{
// Try to find an estimate of the exact character that is a mismatch
var upperBound = Math.Min(lowerFragment.Length, fragment.Length);
for (int posInFragment = 0; posInFragment < upperBound; posInFragment++)
{
if (lowerFragment[posInFragment] != fragment[posInFragment])
{
charOffSetForError += posInFragment;
}
}
var location = node.LocationForLogging(context.SourceFile);
location.Position += charOffSetForError;
logger.PathFixerIllegalCasing(loggingContext, location, node.Text, fragment, lowerFragment);
return(false);
}
charOffSetForError += fragment.Length + 1; /*1 extra for the path separator*/
}
return(true);
}
