private void ParseEntries(ArchiveListingEntryInfoV1[] entries, ArchiveListingCompressedData data, ArchiveListing result)
{
byte[] buff = new byte[0];
for (int currentBlock = -1, i = 0; i < entries.Length; i++)
{
ArchiveListingEntryInfoV1 entryInfoV1 = entries[i];
if (entryInfoV1.BlockNumber != currentBlock)
{
currentBlock = entryInfoV1.BlockNumber;
buff = data.AcquireData(currentBlock);
}
string name;
long sector, uncompressedSize, compressedSize;
ParseInfo(entryInfoV1, buff, out sector, out uncompressedSize, out compressedSize, out name);
ArchiveEntry entry = new ArchiveEntry(name, sector, compressedSize, uncompressedSize)
{
UnknownNumber = entryInfoV1.UnknownNumber,
UnknownValue = entryInfoV1.UnknownValue
};
result.Add(entry);
_progressIncrement.NullSafeInvoke(1);
}
}
private void ParseInfo(ArchiveListingEntryInfoV1 entryInfo, byte[] uncompressedData, out long sector, out long uncompressedSize, out long compressedSize, out string name)
{
string[] info;
unsafe
{
fixed(byte *ptr = &uncompressedData[entryInfo.Offset])
{
string str = new string((sbyte *)ptr);
info = str.Split(':');
}
}
if (info.Length < 4)
{
name = String.Join(":", info);
sector = -1;
uncompressedSize = -1;
compressedSize = -1;
}
else
{
sector = long.Parse(info[0], NumberStyles.AllowHexSpecifier, CultureInfo.InvariantCulture);
uncompressedSize = long.Parse(info[1], NumberStyles.AllowHexSpecifier, CultureInfo.InvariantCulture);
compressedSize = long.Parse(info[2], NumberStyles.AllowHexSpecifier, CultureInfo.InvariantCulture);
name = info[3];
}
}
private void ParseEntries(ArchiveListingEntryInfoV1[] entries, ArchiveListingCompressedData data, ArchiveListing result)
{
byte[] buff = new byte[0];
for (int currentBlock = -1, i = 0; i < entries.Length; i++)
{
ArchiveListingEntryInfoV1 entryInfoV1 = entries[i];
if (entryInfoV1.BlockNumber != currentBlock)
{
currentBlock = entryInfoV1.BlockNumber;
buff = data.AcquireData(currentBlock);
}
string name;
long sector, uncompressedSize, compressedSize;
ParseInfo(entryInfoV1, buff, out sector, out uncompressedSize, out compressedSize, out name);
ArchiveEntry entry = new ArchiveEntry(name, sector, compressedSize, uncompressedSize)
{
UnknownNumber = entryInfoV1.UnknownNumber,
UnknownValue = entryInfoV1.UnknownValue
};
result.Add(entry);
_progressIncrement.NullSafeInvoke(1);
}
}
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();
}
}
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 ParseInfo(ArchiveListingEntryInfoV1 entryInfo, byte[] uncompressedData, out long sector, out long uncompressedSize, out long compressedSize, out string name)
{
string[] info;
unsafe
{
fixed (byte* ptr = &uncompressedData[entryInfo.Offset])
{
string str = new string((sbyte*)ptr);
info = str.Split(':');
}
}
if (info.Length < 4)
{
name = String.Join(":", info);
sector = -1;
uncompressedSize = -1;
compressedSize = -1;
}
else
{
sector = long.Parse(info[0], NumberStyles.AllowHexSpecifier, CultureInfo.InvariantCulture);
uncompressedSize = long.Parse(info[1], NumberStyles.AllowHexSpecifier, CultureInfo.InvariantCulture);
compressedSize = long.Parse(info[2], NumberStyles.AllowHexSpecifier, CultureInfo.InvariantCulture);
name = info[3];
}
}