public bool Read()
{
bool result;
if (result = _reader.MoveToNextLine())
{
CodePoint = HexCodePoint.ParsePrefixed(_reader.ReadField());
PropertyName = _reader.ReadField();
PropertyValue = _reader.ReadField();
}
else
{
CodePoint = 0;
PropertyName = null;
PropertyValue = null;
}
return(result);
}
private static async Task ProcessUnihanVariants(IDataSource unihanDataSource, UnicodeInfoBuilder builder)
{
using (var reader = new UnihanDataFileReader(await unihanDataSource.OpenDataFileAsync(UnihanVariantsFileName).ConfigureAwait(false)))
{
while (reader.Read())
{
// This statement is used to skip unhandled properties entirely.
switch (reader.PropertyName)
{
case UnihanProperty.SimplifiedVariant:
case UnihanProperty.TraditionalVariant:
break;
default:
// Ignore unhandled properties for now.
continue;
}
var entry = builder.GetUnihan(reader.CodePoint);
switch (reader.PropertyName)
{
case UnihanProperty.SimplifiedVariant:
entry.SimplifiedVariant = char.ConvertFromUtf32(HexCodePoint.ParsePrefixed(reader.PropertyValue));
break;
case UnihanProperty.TraditionalVariant:
entry.TraditionalVariant = char.ConvertFromUtf32(HexCodePoint.ParsePrefixed(reader.PropertyValue));
break;
default:
throw new InvalidOperationException();
}
}
}
}