Exemple #1
0
        /// <summary>
        /// Initializes a new instance of the <see cref="DataStream"/> class.
        /// </summary>
        /// <param name="filePath">File path.</param>
        /// <param name="mode">File open mode.</param>
        /// <param name="offset">Offset from the start of the file.</param>
        /// <param name="length">Length of this DataStream.</param>
        public DataStream(string filePath, FileOpenMode mode, long offset, long length)
        {
            if (string.IsNullOrEmpty(filePath))
            {
                throw new ArgumentNullException(nameof(filePath));
            }

            long fileSize = new FileInfo(filePath).Length;

            if (offset < 0 || offset > fileSize)
            {
                throw new ArgumentOutOfRangeException(nameof(offset));
            }
            if (length < 0 || offset + length > fileSize)
            {
                throw new ArgumentOutOfRangeException(nameof(length));
            }

            BaseStream  = new FileStream(filePath, mode.ToFileMode(), mode.ToFileAccess());
            isSubstream = true;
            Offset      = offset;
            this.length = length;

            IncreaseStreamCounter(BaseStream);
        }
Exemple #2
0
        /// <summary>
        /// Initializes a new instance of the <see cref="DataStream"/> class.
        /// </summary>
        /// <param name="filePath">File path.</param>
        /// <param name="mode">File open mode.</param>
        public DataStream(string filePath, FileOpenMode mode)
        {
            if (string.IsNullOrEmpty(filePath))
            {
                throw new ArgumentNullException(nameof(filePath));
            }

            BaseStream = new FileStream(filePath, mode.ToFileMode(), mode.ToFileAccess());
            Offset     = 0;
            Length     = BaseStream.Length;

            IncreaseStreamCounter(BaseStream);
        }
Exemple #3
0
 void Initialize()
 {
     isInitialized = true;
     BaseStream    = new FileStream(path, mode.ToFileMode(), mode.ToFileAccess());
 }