public long AddFileData(byte[] data, int pos, int len)
{
long totalSize = currentFile.CurrentSize + len;
if (totalSize > currentFile.Size)
{
throw new ApplicationException("totalSize > currentFile.Size");
}
if (currentFile.Compress == false)
{
fifo.Write(data, pos, len);
}
else
{
CoreUtil.Internal.ZStream zs = currentFile.ZStream;
byte[] srcData = Util.ExtractByteArray(data, pos, len);
byte[] dstData = new byte[srcData.Length * 2 + 100];
zs.next_in = srcData;
zs.avail_in = srcData.Length;
zs.next_in_index = 0;
zs.next_out = dstData;
zs.avail_out = dstData.Length;
zs.next_out_index = 0;
if (currentFile.Size == (currentFile.CurrentSize + len))
{
zs.deflate(CoreUtil.Internal.zlibConst.Z_FINISH);
}
else
{
zs.deflate(CoreUtil.Internal.zlibConst.Z_SYNC_FLUSH);
}
fifo.Write(dstData, 0, dstData.Length - zs.avail_out);
currentFile.CompressSize += dstData.Length - zs.avail_out;
Util.NoOP();
}
currentFile.CurrentSize += len;
currentFile.Crc32 = ZipUtil.Crc32Next(data, pos, len, currentFile.Crc32);
long ret = currentFile.Size - currentFile.CurrentSize;
if (ret == 0)
{
currentFile.Crc32 = ~currentFile.Crc32;
addFileFooter();
currentFile = null;
}
return(ret);
}
public void Write(byte[] data, int pos, int len, bool finish)
{
byte[] srcData = Util.ExtractByteArray(data, pos, len);
byte[] dstData = new byte[srcData.Length * 2 + 100];
if (this.finished)
{
throw new ApplicationException("already finished");
}
zs.next_in = srcData;
zs.avail_in = srcData.Length;
zs.next_in_index = 0;
zs.next_out = dstData;
zs.avail_out = dstData.Length;
zs.next_out_index = 0;
if (finish)
{
zs.deflate(zlibConst.Z_FINISH);
}
else
{
zs.deflate(zlibConst.Z_SYNC_FLUSH);
}
fifo.Write(dstData, 0, dstData.Length - zs.avail_out);
currentSize += len;
this.crc32 = ZipUtil.Crc32Next(data, pos, len, this.crc32);
if (finish)
{
this.finished = true;
this.crc32 = ~this.crc32;
GZipFooter f = new GZipFooter();
f.CRC32 = this.crc32;
f.ISIZE = (uint)(this.currentSize % 0x100000000);
fifo.Write(Util.StructToByte(f));
}
}
public static void FileCopy(string oldName, string newName, bool skipIfNoChange, bool deleteBom, bool useTimeStampToCheckNoChange)
{
string tmp1 = InnerFilePath(oldName);
string tmp2 = InnerFilePath(newName);
if (useTimeStampToCheckNoChange && skipIfNoChange)
{
DateTime dt1, dt2;
try
{
dt1 = Directory.GetLastWriteTimeUtc(tmp1);
dt2 = Directory.GetLastWriteTimeUtc(tmp2);
TimeSpan ts = dt2 - dt1;
if (ts.TotalSeconds >= -5.0)
{
return;
}
}
catch
{
}
}
if (skipIfNoChange || deleteBom)
{
byte[] srcData = File.ReadAllBytes(tmp1);
byte[] destData = new byte[0];
bool changed = true;
int bomSize;
Str.GetEncoding(srcData, out bomSize);
if (bomSize >= 1)
{
srcData = Util.ExtractByteArray(srcData, bomSize, srcData.Length - bomSize);
}
if (skipIfNoChange)
{
try
{
FileStream fs = File.OpenRead(tmp2);
long size = 0xffffffff;
try
{
size = fs.Length;
}
finally
{
fs.Close();
}
if (size == srcData.Length || srcData.Length == 0)
{
destData = File.ReadAllBytes(tmp2);
}
}
catch
{
}
if (Util.CompareByte(srcData, destData))
{
changed = false;
}
}
if (changed)
{
File.WriteAllBytes(tmp2, srcData);
CopyFileTimestamp(tmp2, tmp1);
}
}
else
{
File.Copy(tmp1, tmp2, true);
}
}