private static async Task ProcessEmojiDataFile(IDataSource emojiSource, UnicodeInfoBuilder builder)
{
using (var reader = new UnicodeDataFileReader(await emojiSource.OpenDataFileAsync(EmojiDataFileName).ConfigureAwait(false), ';'))
{
while (reader.MoveToNextLine())
{
var range = UnicodeCodePointRange.Parse(reader.ReadTrimmedField());
if (EnumHelper <EmojiProperties> .TryGetNamedValue(reader.ReadTrimmedField(), out var property))
{
builder.SetProperties(property, range);
}
}
}
}
private static async Task ProcessCjkRadicalsFile(IDataSource ucdSource, UnicodeInfoBuilder builder)
{
using (var reader = new UnicodeDataFileReader(await ucdSource.OpenDataFileAsync(CjkRadicalsFileName).ConfigureAwait(false), ';'))
{
int lastReadRadical = 0;
while (reader.MoveToNextLine())
{
string radicalIndexText = reader.ReadField();
bool isSimplified = radicalIndexText[radicalIndexText.Length - 1] == '\'';
int radicalIndex = int.Parse(isSimplified ? radicalIndexText.Substring(0, radicalIndexText.Length - 1) : radicalIndexText);
if (isSimplified ? radicalIndex != lastReadRadical : lastReadRadical + 1 != (lastReadRadical = radicalIndex))
{
throw new InvalidDataException("Did not expect radical number " + radicalIndexText + ".");
}
char radicalCodePoint = checked ((char)int.Parse(reader.ReadTrimmedField(), NumberStyles.HexNumber));
char characterCodePoint = checked ((char)int.Parse(reader.ReadTrimmedField(), NumberStyles.HexNumber));
if (!isSimplified && (radicalCodePoint & 0x8000) != 0)
{
throw new InvalidOperationException("Did not expect the radical code point to be higher than U+8000 for radical " + radicalIndex.ToString() + ".");
}
if (isSimplified)
{
builder.SetRadicalInfo(radicalIndex, UpdateRadicalData(builder.GetRadicalInfo(radicalIndex), radicalCodePoint, characterCodePoint));
}
else
{
builder.SetRadicalInfo(radicalIndex, new CjkRadicalData(radicalCodePoint, characterCodePoint));
}
}
if (lastReadRadical != UnicodeInfoBuilder.CjkRadicalCount)
{
throw new InvalidOperationException("There was not enough data for the 214 CJK radicals.");
}
}
}
private static async Task ProcessBlocksFile(IDataSource ucdSource, UnicodeInfoBuilder builder)
{
using (var reader = new UnicodeDataFileReader(await ucdSource.OpenDataFileAsync(BlocksFileName).ConfigureAwait(false), ';'))
{
while (reader.MoveToNextLine())
{
builder.AddBlockEntry(new UnicodeBlock(UnicodeCodePointRange.Parse(reader.ReadField()), reader.ReadTrimmedField()));
}
}
}