/////////////////////////////////////////////////////////////////
// Update file
/////////////////////////////////////////////////////////////////
private Boolean UpdateFile()
{
// translate to file header
FileHeader FH = ZipDir[DirIndex];
String FullFileName = RootDir.EndsWith("\\") ? RootDir + FH.FileName : RootDir + "\\" + FH.FileName;
// save directory name in zip file
if ((FH.FileAttr & FileAttributes.Directory) != 0)
{
if (Deflate.SaveDirectoryPath(FullFileName, FH.FileName))
{
Trace.Write("Save directory path error\n" + Deflate.ExceptionStack[0] + "\n" + Deflate.ExceptionStack[1]);
AppendStatus("Save directory failed [" + Deflate.ExceptionStack[0] + "]");
return(true);
}
}
// compress file
else
{
Deflate.CompressionLevel = CompLevel;
if (Deflate.Compress(FullFileName, FH.FileName))
{
Trace.Write("Compression Error\n" + Deflate.ExceptionStack[0] + "\n" + Deflate.ExceptionStack[1]);
AppendStatus("Compression failed [" + Deflate.ExceptionStack[0] + "]");
return(true);
}
}
// successful return
AppendStatus("OK");
return(false);
}
////////////////////////////////////////////////////////////////////
// Test Single File
////////////////////////////////////////////////////////////////////
private Int32 TestZip()
{
// add extension to compressed file name
CompFileName += ".zip";
// create compressiom object
DeflateZipFile Def = new DeflateZipFile(CompLevel);
// create empty zip file
if (Def.CreateArchive(CompFileName))
{
// save exception stack on error
ExceptionStack = Def.ExceptionStack;
return(1);
}
// split the input file name to path and name
String FileName;
Int32 Ptr = InputFileName.LastIndexOf('\\');
FileName = Ptr < 0 ? InputFileName : InputFileName.Substring(Ptr + 1);
// save start time
Int32 StartTime = Environment.TickCount;
// compress file
if (Def.Compress(InputFileName, FileName))
{
// save exception stack on error
ExceptionStack = Def.ExceptionStack;
return(1);
}
// save compression elapse time
CompTime = Environment.TickCount - StartTime;
// save input and compressed file length
InputFileLen = Def.ReadTotal;
CompFileLen = Def.WriteTotal;
// save archive
if (Def.SaveArchive())
{
// save exception stack on error
ExceptionStack = Def.ExceptionStack;
return(1);
}
// save start time
StartTime = Environment.TickCount;
// create decompression object
InflateZipFile Inf = new InflateZipFile();
// open the zip file
if (Inf.OpenZipFile(CompFileName))
{
// save exception stack on error
ExceptionStack = Inf.ExceptionStack;
return(2);
}
// decompress the file
if (Inf.DecompressZipFile(Inf.ZipDir[0], null, DecompFileName, false, true))
{
// save exception stack on error
ExceptionStack = Inf.ExceptionStack;
return(2);
}
// save decompression elapse time
DecompTime = Environment.TickCount - StartTime;
// save restored file length
DecompFileLen = Inf.WriteTotal;
// close the zip file
Inf.CloseZipFile();
// successful exit
return(0);
}
