public void FewLinesFragmentPositionsTest()
{
string source = "1\n22\n\n4";
iOrigin = CreateOriginTest(source);
iReader = iOrigin.GetReader();
iReader.MoveNext();
ILocation loc1 = iReader.CurrentLocation;
iReader.MoveNext();
iReader.MoveNext();
ILocation loc2 = iReader.CurrentLocation;
iReader.MoveNext();
IFragment fr = iOrigin.MakeFragment(loc1, loc2);
Assert.AreEqual(fr.GetBeginOriginPosition(), loc1.GetOriginPosition());
Assert.AreEqual(fr.GetEndOriginPosition(), loc2.GetOriginPosition());
iReader.MoveNext();
iReader.MoveNext();
ILocation loc3 = iReader.CurrentLocation;
IFragment fr2 = iOrigin.MakeFragment(loc2, loc3);
Assert.AreEqual(fr2.GetBeginOriginPosition(), loc2.GetOriginPosition());
Assert.AreEqual(fr2.GetEndOriginPosition(), loc3.GetOriginPosition());
}
private static IFragment GetFragmentRange(IFragment begin, IFragment end)
{
if (begin == null || end == null) // TODO handle it better
{
return(new OriginFragment(null, new OriginPosition(), new OriginPosition()));
}
return(new OriginFragment(begin.Origin, begin.GetBeginOriginPosition(), end.GetEndOriginPosition()));
}
public string GetText(IFragment fragment)
{
if (fragment.Origin == this)
{
return(this.GetText(fragment.GetBeginOriginPosition(), fragment.GetEndOriginPosition()));
}
else
{
throw new ArgumentException("Invalid origin");
}
}
public string GetFragmentInLine(IFragment fragment)
{
IOrigin origin = fragment.Origin;
OriginPosition begPos = fragment.GetBeginOriginPosition();
OriginPosition endPos = fragment.GetEndOriginPosition();
int start = begPos.CharNumber;
int end = endPos.CharNumber;
StringBuilder sb = new StringBuilder();
for (int i = 0; i < start; i++)
{
sb.Append(' ');
}
for (int i = start; i < end; i++)
{
sb.Append((i + 1 == end) ? '^' : '~');
}
return(sb.ToString());
}
private static IFragment GetFragmentRange(IFragment begin, IFragment end)
{
return(new OriginFragment(begin.Origin, begin.GetBeginOriginPosition(), end.GetEndOriginPosition()));
}
