private void ReadData(ByteBuffer bytes)
{
// read the header
ICUBinary.ReadHeader(bytes, FMT, new IsAcceptable());
// read indexes[]
int i, count;
count = bytes.GetInt32();
if (count < IX_TOP)
{
throw new IOException("indexes[0] too small in " + DATA_FILE_NAME);
}
indexes = new int[count];
indexes[0] = count;
for (i = 1; i < count; ++i)
{
indexes[i] = bytes.GetInt32();
}
// read the trie
trie = Trie2_16.CreateFromSerialized(bytes);
int expectedTrieLength = indexes[IX_TRIE_SIZE];
int trieLength = trie.SerializedLength;
if (trieLength > expectedTrieLength)
{
throw new IOException(DATA_FILE_NAME + ": not enough bytes for the trie");
}
// skip padding after trie bytes
ICUBinary.SkipBytes(bytes, expectedTrieLength - trieLength);
// read mirrors[]
count = indexes[IX_MIRROR_LENGTH];
if (count > 0)
{
mirrors = ICUBinary.GetInt32s(bytes, count, 0);
}
// read jgArray[]
count = indexes[IX_JG_LIMIT] - indexes[IX_JG_START];
jgArray = new byte[count];
bytes.Get(jgArray);
// read jgArray2[]
count = indexes[IX_JG_LIMIT2] - indexes[IX_JG_START2];
jgArray2 = new byte[count];
bytes.Get(jgArray2);
}
/// <summary>
/// Private constructor.
/// </summary>
/// <param name="bytes">ICU StringPrep data file buffer.</param>
/// <exception cref="System.IO.IOException">If data file fails authentication.</exception>
public StringPrepDataReader(ByteBuffer bytes)
{
if (debug)
{
Console.Out.WriteLine("Bytes in buffer " + bytes.Remaining);
}
byteBuffer = bytes;
unicodeVersion = ICUBinary.ReadHeader(byteBuffer, DATA_FORMAT_ID, this);
if (debug)
{
Console.Out.WriteLine("Bytes left in byteBuffer " + byteBuffer.Remaining);
}
}
private void ReadData(ByteBuffer bytes)
{
// read the header
ICUBinary.ReadHeader(bytes, FMT, new IsAcceptable());
// read indexes[]
int count = bytes.GetInt32();
if (count < IX_TOP)
{
throw new IOException("indexes[0] too small in " + DATA_FILE_NAME);
}
indexes = new int[count];
indexes[0] = count;
for (int i = 1; i < count; ++i)
{
indexes[i] = bytes.GetInt32();
}
// read the trie
trie = Trie2_16.CreateFromSerialized(bytes);
int expectedTrieLength = indexes[IX_TRIE_SIZE];
int trieLength = trie.GetSerializedLength();
if (trieLength > expectedTrieLength)
{
throw new IOException(DATA_FILE_NAME + ": not enough bytes for the trie");
}
// skip padding after trie bytes
ICUBinary.SkipBytes(bytes, expectedTrieLength - trieLength);
// read exceptions[]
count = indexes[IX_EXC_LENGTH];
if (count > 0)
{
exceptions = ICUBinary.GetString(bytes, count, 0);
}
// read unfold[]
count = indexes[IX_UNFOLD_LENGTH];
if (count > 0)
{
unfold = ICUBinary.GetChars(bytes, count, 0);
}
}
private const int DATA_FORMAT = 0x706E616D; // "pnam"
private void Load(ByteBuffer bytes)
{
//dataVersion=ICUBinary.readHeaderAndDataVersion(bytes, DATA_FORMAT, IS_ACCEPTABLE);
ICUBinary.ReadHeader(bytes, DATA_FORMAT, IS_ACCEPTABLE);
int indexesLength = bytes.GetInt32() / 4; // inIndexes[IX_VALUE_MAPS_OFFSET]/4
if (indexesLength < 8)
{ // formatVersion 2 initially has 8 indexes
throw new IOException("pnames.icu: not enough indexes");
}
int[]
inIndexes = new int[indexesLength];
inIndexes[0] = indexesLength * 4;
for (int i = 1; i < indexesLength; ++i)
{
inIndexes[i] = bytes.GetInt32();
}
// Read the valueMaps.
int offset = inIndexes[IX_VALUE_MAPS_OFFSET];
int nextOffset = inIndexes[IX_BYTE_TRIES_OFFSET];
int numInts = (nextOffset - offset) / 4;
valueMaps = ICUBinary.GetInt32s(bytes, numInts, 0);
// Read the bytesTries.
offset = nextOffset;
nextOffset = inIndexes[IX_NAME_GROUPS_OFFSET];
int numBytes = nextOffset - offset;
bytesTries = new byte[numBytes];
bytes.Get(bytesTries);
// Read the nameGroups and turn them from ASCII bytes into a .NET string.
offset = nextOffset;
nextOffset = inIndexes[IX_RESERVED3_OFFSET];
numBytes = nextOffset - offset;
StringBuilder sb = new StringBuilder(numBytes);
for (int i = 0; i < numBytes; ++i)
{
sb.Append((char)bytes.Get());
}
nameGroups = sb.ToString();
}
// protected constructor ---------------------------------------------
/// <summary>
/// Protected constructor.
/// </summary>
/// <param name="bytes">ICU uprop.dat file buffer.</param>
/// <exception cref="IOException">If data file fails authentication.</exception>
internal UCharacterNameReader(ByteBuffer bytes)
{
ICUBinary.ReadHeader(bytes, DATA_FORMAT_ID_, this);
m_byteBuffer_ = bytes;
}