private static ContainerOrTerminalNode ParseScenarioDefinition(ScenarioDefinition definition, CharacterPositionFinder finder, LineInfo locationAfterDefinition)
{
var start = GetLineInfo(definition.Location);
var end = locationAfterDefinition;
var spanStart = finder.GetCharacterPosition(start);
var spanEnd = spanStart + finder.GetLineLength(start);
var locationInside = definition.Steps.Select(_ => _.Location).OrderBy(_ => _.Line).ThenBy(_ => _.Column).FirstOrDefault();
if (locationInside != null)
{
var lineInfo = GetLineInfo(locationInside);
var position = finder.GetCharacterPosition(lineInfo) - 1;
spanEnd = position;
}
var container = new Container
{
Type = nameof(ScenarioDefinition),
Name = definition.Name,
LocationSpan = new LocationSpan(start, end),
HeaderSpan = new CharacterSpan(spanStart, spanEnd),
FooterSpan = CharacterSpan.None, // TODO: FIX
};
container.Children.AddRange(ParseSteps(definition, finder, locationAfterDefinition));
return(container);
}
private static ContainerOrTerminalNode ParseTag(Tag tag, CharacterPositionFinder finder, LineInfo locationAfterDefinition)
{
var start = GetLineInfo(tag.Location);
var end = locationAfterDefinition;
var spanStart = finder.GetCharacterPosition(start);
var spanEnd = spanStart + finder.GetLineLength(start);
var container = new Container
{
Type = nameof(Tag),
Name = tag.Name,
LocationSpan = new LocationSpan(start, end),
HeaderSpan = new CharacterSpan(spanStart, spanEnd),
FooterSpan = CharacterSpan.None, // TODO: FIX
};
return(container);
}
public static File ParseCore(string filePath, CharacterPositionFinder finder, Encoding encoding)
{
var text = SystemFile.ReadAllText(filePath, encoding);
var lastCharacter = text.Length - 1;
var file = new File
{
Name = filePath,
FooterSpan = CharacterSpan.None, // there is no footer
LocationSpan = lastCharacter >= 0
? new LocationSpan(finder.GetLineInfo(0), finder.GetLineInfo(lastCharacter))
: new LocationSpan(LineInfo.None, LineInfo.None),
};
try
{
var parser = new GherkinParser();
var document = parser.Parse(filePath);
var root = new Container
{
Type = nameof(GherkinDocument),
Name = string.Empty,
LocationSpan = file.LocationSpan,
HeaderSpan = new CharacterSpan(0, 0), // there is no header
FooterSpan = new CharacterSpan(Math.Max(0, lastCharacter), lastCharacter), // there is no footer
};
file.Children.Add(root);
var feature = document.Feature;
if (feature != null)
{
// get locations ordered so that we know the position of the feature
var locations = document.Comments.Select(_ => _.Location).ToList();
locations.Add(feature.Location);
var sortedLocations = locations.OrderBy(_ => _.Line).ThenBy(_ => _.Column).ToList();
var positionAfterFeature = sortedLocations.IndexOf(feature.Location) + 1;
var location = positionAfterFeature < sortedLocations.Count - 1
? GetLineInfo(locations[positionAfterFeature + 1])
: file.LocationSpan.End;
var parsedChild = ParseFeature(feature, finder, location);
root.Children.Add(parsedChild);
}
}
catch (Exception ex)
{
// try to adjust location span to include full file content
// but ignore empty files as parsing errors
var lines = SystemFile.ReadLines(filePath).Count();
if (lines == 0)
{
file.LocationSpan = new LocationSpan(LineInfo.None, LineInfo.None);
}
else
{
file.ParsingErrors.Add(new ParsingError
{
ErrorMessage = ex.Message,
Location = LineInfo.None,
});
file.LocationSpan = new LocationSpan(new LineInfo(1, 0), new LineInfo(lines + 1, 0));
}
}
return(file);
}