// protected methods -------------------------------------------------
/// <summary>
/// Read and break up the stream of data passed in as arguments and fills up
/// UCharacterName. If unsuccessful false will be returned.
/// </summary>
///
/// <param name="data">instance of datablock</param>
/// <exception cref="IOException">thrown when there's a data error.</exception>
protected internal void Read(UCharacterName data)
{
// reading index
m_tokenstringindex_ = m_dataInputStream_.ReadInt();
m_groupindex_ = m_dataInputStream_.ReadInt();
m_groupstringindex_ = m_dataInputStream_.ReadInt();
m_algnamesindex_ = m_dataInputStream_.ReadInt();
// reading tokens
int count = m_dataInputStream_.ReadChar();
char[] token = new char[count];
for (char i = (char)(0); i < count; i++)
{
token[i] = m_dataInputStream_.ReadChar();
}
int size = m_groupindex_ - m_tokenstringindex_;
byte[] tokenstr = new byte[size];
m_dataInputStream_.ReadFully(tokenstr);
data.SetToken(token, tokenstr);
// reading the group information records
count = m_dataInputStream_.ReadChar();
data.SetGroupCountSize(count, GROUP_INFO_SIZE_);
count *= GROUP_INFO_SIZE_;
char[] group = new char[count];
for (int i_0 = 0; i_0 < count; i_0++)
{
group[i_0] = m_dataInputStream_.ReadChar();
}
size = m_algnamesindex_ - m_groupstringindex_;
byte[] groupstring = new byte[size];
m_dataInputStream_.ReadFully(groupstring);
data.SetGroup(group, groupstring);
count = m_dataInputStream_.ReadInt();
UCharacterName.AlgorithmName[] alg = new UCharacterName.AlgorithmName[count];
for (int i_1 = 0; i_1 < count; i_1++)
{
UCharacterName.AlgorithmName an = ReadAlg();
if (an == null)
{
throw new IOException(
"unames.icu read error: Algorithmic names creation error");
}
alg[i_1] = an;
}
data.SetAlgorithm(alg);
}
// private methods ---------------------------------------------------
/// <summary>
/// Reads an individual record of AlgorithmNames
/// </summary>
///
/// <returns>an instance of AlgorithNames if read is successful otherwise null</returns>
/// <exception cref="IOException">thrown when file read error occurs or data is corrupted</exception>
private UCharacterName.AlgorithmName ReadAlg()
{
UCharacterName.AlgorithmName result = new UCharacterName.AlgorithmName();
int rangestart = m_dataInputStream_.ReadInt();
int rangeend = m_dataInputStream_.ReadInt();
sbyte type = m_dataInputStream_.ReadByte();
sbyte variant = m_dataInputStream_.ReadByte();
if (!result.SetInfo(rangestart, rangeend, type, variant))
{
return(null);
}
int size = m_dataInputStream_.ReadChar();
if (type == IBM.ICU.Impl.UCharacterName.AlgorithmName.TYPE_1_)
{
char[] factor = new char[variant];
for (int j = 0; j < variant; j++)
{
factor[j] = m_dataInputStream_.ReadChar();
}
result.SetFactor(factor);
size -= (variant << 1);
}
StringBuilder prefix = new StringBuilder();
char c = (char)(m_dataInputStream_.ReadByte() & 0x00FF);
while (c != 0)
{
prefix.Append(c);
c = (char)(m_dataInputStream_.ReadByte() & 0x00FF);
}
result.SetPrefix(prefix.ToString());
size -= (ALG_INFO_SIZE_ + prefix.Length + 1);
if (size > 0)
{
byte[] str0 = new byte[size];
m_dataInputStream_.ReadFully(str0);
result.SetFactorString(str0);
}
return(result);
}
// protected methods -------------------------------------------------
/// <summary>
/// Read and break up the stream of data passed in as arguments
/// and fills up <see cref="UCharacterName"/>.
/// If unsuccessful false will be returned.
/// </summary>
/// <param name="data">Instance of datablock.</param>
/// <exception cref="IOException">Thrown when there's a data error.</exception>
internal void Read(UCharacterName data)
{
// reading index
m_tokenstringindex_ = m_byteBuffer_.GetInt32();
m_groupindex_ = m_byteBuffer_.GetInt32();
m_groupstringindex_ = m_byteBuffer_.GetInt32();
m_algnamesindex_ = m_byteBuffer_.GetInt32();
// reading tokens
int count = m_byteBuffer_.GetChar();
char[] token = ICUBinary.GetChars(m_byteBuffer_, count, 0);
int size = m_groupindex_ - m_tokenstringindex_;
byte[] tokenstr = new byte[size];
m_byteBuffer_.Get(tokenstr);
data.SetToken(token, tokenstr);
// reading the group information records
count = m_byteBuffer_.GetChar();
data.SetGroupCountSize(count, GROUP_INFO_SIZE_);
count *= GROUP_INFO_SIZE_;
char[] group = ICUBinary.GetChars(m_byteBuffer_, count, 0);
size = m_algnamesindex_ - m_groupstringindex_;
byte[] groupstring = new byte[size];
m_byteBuffer_.Get(groupstring);
data.SetGroup(group, groupstring);
count = m_byteBuffer_.GetInt32();
UCharacterName.AlgorithmName[] alg =
new UCharacterName.AlgorithmName[count];
for (int i = 0; i < count; i++)
{
UCharacterName.AlgorithmName an = ReadAlg();
if (an == null)
{
throw new IOException("unames.icu read error: Algorithmic names creation error");
}
alg[i] = an;
}
data.SetAlgorithm(alg);
}
// private methods ---------------------------------------------------
/// <summary>
/// Reads an individual record of <see cref="UCharacterName.AlgorithmName"/>s
/// </summary>
/// <returns>An instance of <see cref="UCharacterName.AlgorithmName"/>s if read is successful otherwise null.</returns>
/// <exception cref="IOException">Thrown when file read error occurs or data is corrupted.</exception>
private UCharacterName.AlgorithmName ReadAlg()
{
UCharacterName.AlgorithmName result =
new UCharacterName.AlgorithmName();
int rangestart = m_byteBuffer_.GetInt32();
int rangeend = m_byteBuffer_.GetInt32();
byte type = m_byteBuffer_.Get();
byte variant = m_byteBuffer_.Get();
if (!result.SetInfo(rangestart, rangeend, type, variant))
{
return(null);
}
int size = m_byteBuffer_.GetChar();
if (type == UCharacterName.AlgorithmName.TYPE_1_)
{
char[] factor = ICUBinary.GetChars(m_byteBuffer_, variant, 0);
result.SetFactor(factor);
size -= (variant << 1);
}
StringBuilder prefix = new StringBuilder();
char c = (char)(m_byteBuffer_.Get() & 0x00FF);
while (c != 0)
{
prefix.Append(c);
c = (char)(m_byteBuffer_.Get() & 0x00FF);
}
result.SetPrefix(prefix.ToString());
size -= (ALG_INFO_SIZE_ + prefix.Length + 1);
if (size > 0)
{
byte[] str = new byte[size];
m_byteBuffer_.Get(str);
result.SetFactorString(str);
}
return(result);
}
