public void UpdateLocationRestsCharacterIndexOnSlashN()
{
var tracker = new SourceLocationTracker(TestStartLocation);
tracker.UpdateLocation('\n', 'o');
Assert.Equal(0, tracker.CurrentLocation.Character);
}
public void UpdateLocationDoesNotAdvancedLineIndexOnNonNewlineCharacter()
{
var tracker = new SourceLocationTracker(TestStartLocation);
tracker.UpdateLocation('f', 'o');
Assert.Equal(42, tracker.CurrentLocation.Line);
}
public void UpdateLocationAdvancesLineIndexOnSlashN()
{
var tracker = new SourceLocationTracker(TestStartLocation);
tracker.UpdateLocation('\n', 'o');
Assert.Equal(43, tracker.CurrentLocation.Line);
}
public void UpdateLocationAdvancesCharacterIndexOnNonNewlineCharacter()
{
var tracker = new SourceLocationTracker(TestStartLocation);
tracker.UpdateLocation('f', 'o');
Assert.Equal(46, tracker.CurrentLocation.Character);
}
public void UpdateLocationAdvancesCorrectlyForMultilineString()
{
var tracker = new SourceLocationTracker(TestStartLocation);
const string text = "foo\nbar\rbaz\r\nbox";
tracker.UpdateLocation(text);
Assert.Equal(26, tracker.CurrentLocation.Absolute);
Assert.Equal(45, tracker.CurrentLocation.Line);
Assert.Equal(3, tracker.CurrentLocation.Character);
}
/// <summary>
/// Initializes a new instance of the <see cref="BufferingTextReader"/> class.
/// </summary>
/// <param name="source">The source.</param>
public BufferingTextReader(TextReader source)
{
if (source == null)
{
throw new ArgumentNullException("source");
}
InnerReader = source;
_tracker = new SourceLocationTracker();
UpdateCurrentCharacter();
}
/// <summary>
/// Initializes a new instance of the <see cref="BufferingTextReader"/> class.
/// </summary>
/// <param name="source">The source.</param>
public BufferingTextReader(TextReader source)
{
if (source == null)
{
throw new ArgumentNullException("source");
}
InnerReader = source;
_tracker = new SourceLocationTracker();
UpdateCurrentCharacter();
}
public void UpdateLocationAdvancesLineIndexOnSlashRFollowedByNonNewlineCharacter()
{
var tracker = new SourceLocationTracker(TestStartLocation);
tracker.UpdateLocation('\r', 'o');
Assert.Equal(43, tracker.CurrentLocation.Line);
}
public void ConstructorWithSourceLocationSetsCurrentLocationToSpecifiedValue()
{
var tracker = new SourceLocationTracker(TestStartLocation);
Assert.Equal(TestStartLocation, tracker.CurrentLocation);
}
public void UpdateLocationAdvancesCharacterIndexOnSlashRFollowedBySlashN()
{
var tracker = new SourceLocationTracker(TestStartLocation);
tracker.UpdateLocation('\r', '\n');
Assert.Equal(46, tracker.CurrentLocation.Character);
}
public void UpdateLocationAdvancesAbsoluteIndexOnSlashRFollowedBySlashN()
{
var tracker = new SourceLocationTracker(TestStartLocation);
tracker.UpdateLocation('\r', '\n');
Assert.Equal(11, tracker.CurrentLocation.Absolute);
}
public void ConstructorSetsCurrentLocationToZero()
{
var tracker = new SourceLocationTracker();
Assert.Equal(SourceLocation.Zero, tracker.CurrentLocation);
}
public void UpdateLocationDoesNotAdvancedLineIndexOnSlashRFollowedBySlashN()
{
var tracker = new SourceLocationTracker(TestStartLocation);
tracker.UpdateLocation('\r', '\n');
Assert.Equal(42, tracker.CurrentLocation.Line);
}
public void UpdateLocationResetsCharacterIndexOnSlashRFollowedByNonNewlineCharacter()
{
var tracker = new SourceLocationTracker(TestStartLocation);
tracker.UpdateLocation('\r', 'o');
Assert.Equal(0, tracker.CurrentLocation.Character);
}
/// <summary>
/// Changes the start position of the current span.
/// </summary>
/// <param name="newStart">The new start location.</param>
public void ChangeStart(SourceLocation newStart)
{
_start = newStart;
var current = this;
var tracker = new SourceLocationTracker(newStart);
tracker.UpdateLocation(Content);
while ((current = current.Next) != null)
{
current._start = tracker.CurrentLocation;
tracker.UpdateLocation(current.Content);
}
}
