public void Write(ArchiveListing listing, out ArchiveListingBlockInfo[] blocksInfo, out ArchiveListingEntryInfoV2[] entriesInfoV2)
{
using (MemoryStream ms = new MemoryStream(32768))
{
int blockNumber = 0, unpackedBlockOffset = 0;
entriesInfoV2 = new ArchiveListingEntryInfoV2[listing.Count];
List <ArchiveListingBlockInfo> blocks = new List <ArchiveListingBlockInfo>(128);
using (FormattingStreamWriter sw = new FormattingStreamWriter(ms, Encoding.ASCII, 4096, true, CultureInfo.InvariantCulture))
{
sw.AutoFlush = true;
for (int i = 0; i < listing.Count; i++)
{
ArchiveEntry entry = listing[i];
ArchiveListingEntryInfoV2 info = new ArchiveListingEntryInfoV2 {
BlockNumber = (short)(ms.Position / 8192)
};
info.Flag = (info.BlockNumber % 2 != 0);
entriesInfoV2[i] = info;
if (blockNumber != info.BlockNumber)
{
int blockSize = (int)(ms.Position - unpackedBlockOffset);
ms.Position = unpackedBlockOffset;
ArchiveListingBlockInfo block = new ArchiveListingBlockInfo {
Offset = (int)_output.Position, UncompressedSize = blockSize
};
block.CompressedSize = ZLibHelper.Compress(ms, _output, block.UncompressedSize);
blocks.Add(block);
blockNumber++;
unpackedBlockOffset = (int)ms.Position;
sw.Write("{0:x}:{1:x}:{2:x}:{3}\0", entry.Sector, entry.UncompressedSize, entry.Size, entry.Name);
}
else if (i == listing.Count - 1)
{
info.Offset = (short)(ms.Position - unpackedBlockOffset);
sw.Write("{0:x}:{1:x}:{2:x}:{3}\0end\0", entry.Sector, entry.UncompressedSize, entry.Size, entry.Name);
int blockSize = (int)(ms.Position - unpackedBlockOffset);
ms.Position = unpackedBlockOffset;
ArchiveListingBlockInfo block = new ArchiveListingBlockInfo {
Offset = (int)_output.Position, UncompressedSize = blockSize
};
block.CompressedSize = ZLibHelper.Compress(ms, _output, block.UncompressedSize);
blocks.Add(block);
}
else
{
info.Offset = (short)(ms.Position - unpackedBlockOffset);
sw.Write("{0:x}:{1:x}:{2:x}:{3}\0", entry.Sector, entry.UncompressedSize, entry.Size, entry.Name);
}
}
}
blocksInfo = blocks.ToArray();
}
}
public void Write(ArchiveListing listing, out ArchiveListingBlockInfo[] blocksInfo, out ArchiveListingEntryInfoV1[] entriesInfoV1)
{
using (MemoryStream ms = new MemoryStream(32768))
{
int blockNumber = 0, unpackedBlockOffset = 0;
entriesInfoV1 = new ArchiveListingEntryInfoV1[listing.Count];
List<ArchiveListingBlockInfo> blocks = new List<ArchiveListingBlockInfo>(128);
using (FormattingStreamWriter sw = new FormattingStreamWriter(ms, Encoding.ASCII, 4096, true, CultureInfo.InvariantCulture))
{
sw.AutoFlush = true;
for (int i = 0; i < listing.Count; i++)
{
ArchiveEntry entry = listing[i];
entriesInfoV1[i] = new ArchiveListingEntryInfoV1 {BlockNumber = (short)(ms.Position / 8192)};
if (blockNumber != entriesInfoV1[i].BlockNumber)
{
//sw.Write("end\0");
int blockSize = (int)(ms.Position - unpackedBlockOffset);
ms.Position = unpackedBlockOffset;
ArchiveListingBlockInfo block = new ArchiveListingBlockInfo {Offset = (int)_output.Position, UncompressedSize = blockSize};
block.CompressedSize = ZLibHelper.Compress(ms, _output, block.UncompressedSize);
blocks.Add(block);
blockNumber++;
unpackedBlockOffset = (int)ms.Position;
sw.Write("{0:x}:{1:x}:{2:x}:{3}\0", entry.Sector, entry.UncompressedSize, entry.Size, entry.Name);
}
else if (i == listing.Count - 1)
{
entriesInfoV1[i].Offset = (short)(ms.Position - unpackedBlockOffset);
sw.Write("{0:x}:{1:x}:{2:x}:{3}\0end\0", entry.Sector, entry.UncompressedSize, entry.Size, entry.Name);
int blockSize = (int)(ms.Position - unpackedBlockOffset);
ms.Position = unpackedBlockOffset;
ArchiveListingBlockInfo block = new ArchiveListingBlockInfo {Offset = (int)_output.Position, UncompressedSize = blockSize};
block.CompressedSize = ZLibHelper.Compress(ms, _output, block.UncompressedSize);
blocks.Add(block);
}
else
{
entriesInfoV1[i].Offset = (short)(ms.Position - unpackedBlockOffset);
sw.Write("{0:x}:{1:x}:{2:x}:{3}\0", entry.Sector, entry.UncompressedSize, entry.Size, entry.Name);
}
//lengths[i] = (int)_output.Position - offsets[i];
//blockSize += lengths[i];
}
}
blocksInfo = blocks.ToArray();
}
}
private void UncompressBlocks(ArchiveListingBlockInfo[] blocks, Stream stream)
{
try
{
for (int i = 0; i < blocks.Length; i++)
{
ArchiveListingBlockInfo block = blocks[i];
int uncompressedSize = block.UncompressedSize;
stream.Position = _header.InfoOffset + block.Offset;
_uncompressedBlocks[i] = ZLibHelper.Uncompress(stream, uncompressedSize);
}
}
catch (ObjectDisposedException)
{
}
catch (Exception ex)
{
_exception = ex;
}
}
private void UncompressBlocks(ArchiveListingBlockInfo[] blocks, Stream stream)
{
try
{
for (int i = 0; i < blocks.Length; i++)
{
ArchiveListingBlockInfo block = blocks[i];
int uncompressedSize = block.UncompressedSize;
stream.Position = _header.InfoOffset + block.Offset;
_uncompressedBlocks[i] = ZLibHelper.Uncompress(stream, uncompressedSize);
}
}
catch (ObjectDisposedException)
{
}
catch (Exception ex)
{
_exception = ex;
}
}
