Пример #1
0
        /// <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;
        }
Пример #2
0
 public NewFileEventArgs(RARFileInfo fileInfo)
 {
     this.fileInfo=fileInfo;
 }