Esempio n. 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;
        }
Esempio n. 2
0
 public NewFileEventArgs(RARFileInfo fileInfo)
 {
     this.fileInfo = fileInfo;
 }
Esempio n. 3
0
 public NewFileEventArgs( RARFileInfo fileInfo )
 {
     this.fileInfo = fileInfo;
 }
Esempio n. 4
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);
        }