internal DocumentLocation FindCharacterStrictlyAfter(char c, DocumentLocation afterLocation)
{
List <DocumentLocation> locationList = this.GetLocationList(c);
UnitTestUtility.Assert(locationList != null, "We should always find character for special characters only");
// Note that this 'nextLocation' may not represent a real document location (we could hit an end line character here so that there is no next line
// position. This is merely used for the search algorithm below:
DocumentLocation nextLocation = new DocumentLocation(afterLocation.LineNumber, new OneBasedCounter(afterLocation.LinePosition.Value + 1));
BinarySearchResult result = locationList.MyBinarySearch(nextLocation);
if (result.IsFound)
{
// It is possible that the next location is a quote itself, or
return(nextLocation);
}
else if (result.IsNextIndexAvailable)
{
// Some other later position is the quote, or
return(locationList[result.NextIndex]);
}
else
{
// in the worst case no quote can be found.
return(null);
}
}
internal DocumentLocation FindCharacterStrictlyBefore(char c, DocumentLocation documentLocation)
{
List <DocumentLocation> locationList = this.GetLocationList(c);
UnitTestUtility.Assert(locationList != null, "We should always find character for special characters only");
BinarySearchResult result = locationList.MyBinarySearch(documentLocation);
if (result.IsFound)
{
if (result.FoundIndex > 0)
{
return(locationList[result.FoundIndex - 1]);
}
else
{
return(null);
}
}
else if (result.IsNextIndexAvailable)
{
if (result.NextIndex > 0)
{
return(locationList[result.NextIndex - 1]);
}
else
{
return(null);
}
}
else if (locationList.Count > 0)
{
return(locationList[locationList.Count - 1]);
}
else
{
return(null);
}
}