private static void ReadUnihanCharacterDataEntry(BinaryReader reader, out UnihanCharacterData value)
{
var fields = (UnihanFields)reader.ReadUInt16();
int codePoint = Unicode.UnihanCharacterData.UnpackCodePoint(ReadCodePoint(reader));
var numericType = (UnihanNumericType)(int)(fields & UnihanFields.OtherNumeric);
long numericValue = numericType != UnihanNumericType.None ?
reader.ReadInt64() :
0;
UnicodeRadicalStrokeCount[] unicodeRadicalStrokeCounts = (fields & UnihanFields.UnicodeRadicalStrokeCountMore) != 0 ?
new UnicodeRadicalStrokeCount
[
(fields & UnihanFields.UnicodeRadicalStrokeCountMore) == UnihanFields.UnicodeRadicalStrokeCountMore ?
reader.ReadByte() + 3 :
((byte)(fields & UnihanFields.UnicodeRadicalStrokeCountMore) >> 2)
] :
#if NETSTANDARD1_1 || NET45
UnicodeRadicalStrokeCount.EmptyArray;
#else
Array.Empty <UnicodeRadicalStrokeCount>();
#endif
for (int i = 0; i < unicodeRadicalStrokeCounts.Length; ++i)
{
unicodeRadicalStrokeCounts[i] = new UnicodeRadicalStrokeCount(reader.ReadByte(), reader.ReadByte());
}
string definition = (fields & UnihanFields.Definition) != 0 ? reader.ReadString() : null;
string mandarinReading = (fields & UnihanFields.MandarinReading) != 0 ? reader.ReadString() : null;
string cantoneseReading = (fields & UnihanFields.CantoneseReading) != 0 ? reader.ReadString() : null;
string japaneseKunReading = (fields & UnihanFields.JapaneseKunReading) != 0 ? reader.ReadString() : null;
string japaneseOnReading = (fields & UnihanFields.JapaneseOnReading) != 0 ? reader.ReadString() : null;
string koreanReading = (fields & UnihanFields.KoreanReading) != 0 ? reader.ReadString() : null;
string hangulReading = (fields & UnihanFields.HangulReading) != 0 ? reader.ReadString() : null;
string vietnameseReading = (fields & UnihanFields.VietnameseReading) != 0 ? reader.ReadString() : null;
string simplifiedVariant = (fields & UnihanFields.SimplifiedVariant) != 0 ? reader.ReadString() : null;
string traditionalVariant = (fields & UnihanFields.TraditionalVariant) != 0 ? reader.ReadString() : null;
value = new UnihanCharacterData
(
codePoint,
numericType,
numericValue,
unicodeRadicalStrokeCounts,
definition,
mandarinReading,
cantoneseReading,
japaneseKunReading,
japaneseOnReading,
koreanReading,
hangulReading,
vietnameseReading,
simplifiedVariant,
traditionalVariant
);
}
internal static void ReadFromStream(Stream stream, out Version unicodeVersion, out UnicodeCharacterData[] unicodeCharacterData, out UnihanCharacterData[] unihanCharacterData, out CjkRadicalData[] radicals, out UnicodeBlock[] blocks, out int maxContiguousIndex)
{
using (var reader = new BinaryReader(stream, Encoding.UTF8))
{
int i;
if (reader.ReadByte() != 'U'
| reader.ReadByte() != 'C'
| reader.ReadByte() != 'D')
{
throw new InvalidDataException();
}
byte formatVersion = reader.ReadByte();
if (formatVersion != 2)
{
throw new InvalidDataException();
}
var fileUnicodeVersion = new Version(reader.ReadUInt16(), reader.ReadByte(), reader.ReadByte());
var unicodeCharacterDataEntries = new UnicodeCharacterData[ReadCodePoint(reader)]; // Allocate one extra entry to act as a dummy entry.
byte[] nameBuffer = new byte[128];
int mci = 0;
for (i = 0; i < unicodeCharacterDataEntries.Length; ++i)
{
ReadUnicodeCharacterDataEntry(reader, nameBuffer, out unicodeCharacterDataEntries[i]);
if (unicodeCharacterDataEntries[i].CodePointRange.Contains(i))
{
mci = i;
}
else
{
++i;
break;
}
}
maxContiguousIndex = mci;
for (; i < unicodeCharacterDataEntries.Length; ++i)
{
ReadUnicodeCharacterDataEntry(reader, nameBuffer, out unicodeCharacterDataEntries[i]);
}
var blockEntries = new UnicodeBlock[reader.ReadUInt16()];
for (i = 0; i < blockEntries.Length; ++i)
{
ReadBlockEntry(reader, out blockEntries[i]);
}
var cjkRadicalEntries = new CjkRadicalData[reader.ReadByte()];
for (i = 0; i < cjkRadicalEntries.Length; ++i)
{
ReadCjkRadicalInfo(reader, out cjkRadicalEntries[i]);
}
var unihanCharacterDataEntries = new UnihanCharacterData[ReadCodePoint(reader)];
for (i = 0; i < unihanCharacterDataEntries.Length; ++i)
{
ReadUnihanCharacterDataEntry(reader, out unihanCharacterDataEntries[i]);
}
unicodeVersion = fileUnicodeVersion;
unicodeCharacterData = unicodeCharacterDataEntries;
unihanCharacterData = unihanCharacterDataEntries;
radicals = cjkRadicalEntries;
blocks = blockEntries;
}
}
public static UnicodeData ReadFromStream(Stream stream)
{
using (var reader = new BinaryReader(stream, Encoding.UTF8))
{
int i;
if (reader.ReadByte() != 'U'
| reader.ReadByte() != 'C'
| reader.ReadByte() != 'D')
{
throw new InvalidDataException();
}
byte formatVersion = reader.ReadByte();
if (formatVersion != 2)
{
throw new InvalidDataException();
}
var fileUnicodeVersion = new Version(reader.ReadUInt16(), reader.ReadByte(), reader.ReadByte());
var unicodeCharacterDataEntries = new UnicodeCharacterData[ReadCodePoint(reader)]; // Allocate one extra entry to act as a dummy entry.
byte[] nameBuffer = new byte[128];
int maxContiguousIndex = 0;
for (i = 0; i < unicodeCharacterDataEntries.Length; ++i)
{
ReadUnicodeCharacterDataEntry(reader, nameBuffer, out unicodeCharacterDataEntries[i]);
if (unicodeCharacterDataEntries[i].CodePointRange.Contains(i))
{
maxContiguousIndex = i;
}
else
{
++i;
break;
}
}
for (; i < unicodeCharacterDataEntries.Length; ++i)
{
ReadUnicodeCharacterDataEntry(reader, nameBuffer, out unicodeCharacterDataEntries[i]);
}
var blockEntries = new UnicodeBlock[reader.ReadUInt16()];
for (i = 0; i < blockEntries.Length; ++i)
{
ReadBlockEntry(reader, out blockEntries[i]);
}
var cjkRadicalEntries = new CjkRadicalData[reader.ReadByte()];
for (i = 0; i < cjkRadicalEntries.Length; ++i)
{
ReadCjkRadicalInfo(reader, out cjkRadicalEntries[i]);
}
var unihanCharacterDataEntries = new UnihanCharacterData[ReadCodePoint(reader)];
for (i = 0; i < unihanCharacterDataEntries.Length; ++i)
{
ReadUnihanCharacterDataEntry(reader, out unihanCharacterDataEntries[i]);
}
return(new UnicodeData
(
fileUnicodeVersion,
unicodeCharacterDataEntries,
unihanCharacterDataEntries,
blockEntries,
cjkRadicalEntries,
maxContiguousIndex
));
}
}
