/// <summary>
/// Reads the next archive header and populates CurrentFile property data
/// </summary>
/// <returns></returns>
public bool ReadHeader()
{
// Throw exception if archive not open
if(this.archiveHandle==IntPtr.Zero)
throw new IOException("Archive is not open.");
// Initialize header struct
this.header=new RARHeaderDataEx();
header.Initialize();
// Read next entry
currentFile=null;
int result=Unrar.RARReadHeaderEx(this.archiveHandle, ref this.header);
// Check for error or end of archive
if((RarError)result==RarError.EndOfArchive)
return false;
else if((RarError)result==RarError.BadData)
throw new IOException("Archive data is corrupt.");
// Determine if new file
if(((header.Flags & 0x01) != 0) && currentFile!=null)
currentFile.ContinuedFromPrevious=true;
else
{
// New file, prepare header
currentFile=new RARFileInfo();
currentFile.FileName=header.FileNameW.ToString();
if((header.Flags & 0x02) != 0)
currentFile.ContinuedOnNext=true;
if(header.PackSizeHigh != 0)
currentFile.PackedSize=(header.PackSizeHigh * 0x100000000) + header.PackSize;
else
currentFile.PackedSize=header.PackSize;
if(header.UnpSizeHigh != 0)
currentFile.UnpackedSize=(header.UnpSizeHigh * 0x100000000) + header.UnpSize;
else
currentFile.UnpackedSize=header.UnpSize;
currentFile.HostOS=(int)header.HostOS;
currentFile.FileCRC=header.FileCRC;
currentFile.FileTime=FromMSDOSTime(header.FileTime);
currentFile.VersionToUnpack=(int)header.UnpVer;
currentFile.Method=(int)header.Method;
currentFile.FileAttributes=(int)header.FileAttr;
currentFile.BytesExtracted=0;
if((header.Flags & 0xE0) == 0xE0)
currentFile.IsDirectory=true;
this.OnNewFile();
}
// Return success
return true;
}
public NewFileEventArgs(RARFileInfo fileInfo)
{
this.fileInfo=fileInfo;
}
