/// <summary>
/// Reads the compressed data from the djvu file
/// </summary>
/// <param name="reader"></param>
/// <param name="count"></param>
/// <param name="compressedSectionLength"></param>
internal void ReadCompressedData(IDjvuReader reader, int count, int compressedSectionLength)
{
long prevPos = reader.Position;
BzzReader bzReader = reader.GetBZZEncodedReader(compressedSectionLength);
// Read the component sizes
for (int x = 0; x < count; x++)
{
_components[x].Size = bzReader.ReadInt24BigEndian();
}
// Read the component flag information
for (int x = 0; x < count; x++)
{
_components[x].DecodeFlags(bzReader.ReadByte());
}
// Read the component strings
for (int x = 0; x < count; x++)
{
_components[x].ID = bzReader.ReadNullTerminatedString();
if (_components[x].HasName == true)
{
_components[x].Name = bzReader.ReadNullTerminatedString();
}
if (_components[x].HasTitle == true)
{
_components[x].Title = bzReader.ReadNullTerminatedString();
}
}
_isInitialized = true;
reader.Position = prevPos;
}
public void ReadNullTerminatedStringTest()
{
string filePath = Path.Combine(Util.ArtifactsDataPath, "testbzznbmont.bz");
string testPath = Path.Combine(Util.ArtifactsDataPath, "testbzznbmont.obz");
byte[] sourceBuffer = Util.ReadFileToEnd(filePath);
byte[] testBuffer = Util.ReadFileToEnd(testPath);
using (MemoryStream readStream = new MemoryStream(sourceBuffer))
using (BzzReader reader = new BzzReader(new BSInputStream(readStream)))
{
string expected = new UTF8Encoding(false).GetString(testBuffer, 0, testBuffer.Length - 1);
string testResult = reader.ReadNullTerminatedString();
Assert.False(String.IsNullOrWhiteSpace(testResult));
Assert.Equal <int>(expected.Length, testResult.Length);
Assert.Equal(expected, testResult);
}
}