Fire/FilePack/FPCommentType.cs

using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
using System.Drawing;

namespace System.Fire.FilePack.FilePackElements {

    public class FPComment {

        private byte[] _value;
        private FPCommentType _type;
        private UInt16 _fileID;

        //private string LatainBuchstaben = "abcdefghijklmnopqrstuvwxyzáéíóúàèìòùâêîôûABCDEFGHIJKLMNOPQRSTUVWXYZÄÖÜÁÉÍÓÚÀÈÌÒÙÂÊÎÔÛ1234567890 ,.-;:_#+*'~!\"§$%&/()=?{[]}^@€<>";

        public FPComment() {
        }

        public FPComment(BinaryReader S) {
            this.Read(S);
        }

        public void Read(BinaryReader S) {
            this._type = (FPCommentType)S.ReadByte();
            UInt16 len = BitConverter.ToUInt16(S.ReadBytes(2) /*new byte[]{S.BaseStream.ReadByte(), S.BaseStream.ReadByte()}*/, 0); // S.BaseStream.ReadByte + (S.ReadByte * 256)

            if(this._type == FPCommentType.FileByteArray || this._type == FPCommentType.FileComment || this._type == FPCommentType.FileTag || this._type == FPCommentType.ShortFileComment || this._type == FPCommentType.FileIcon || this._type == FPCommentType.FileImage) {
                // Dateibezogen - FileID benötigt
                this._fileID = BitConverter.ToUInt16(S.ReadBytes(2) /*{S.BaseStream.ReadByte, S.BaseStream.ReadByte}*/, 0);
            }

            //ReDim Preserve Me._value(0 To len)
            this._value = new byte[len];
            if(this._type != FPCommentType.Not_Set && len > 0) {
                this._value = S.ReadBytes(len);
            }
        }

        public void Write(BinaryWriter S) {
            S.BaseStream.WriteByte((byte)this._type);

            // Daten-Länge schreiben
            UInt16 lenShort = (UInt16)this._value.Length;
            byte[] len = BitConverter.GetBytes(lenShort);
            S.BaseStream.WriteByte(len[0]);
            S.BaseStream.WriteByte(len[1]);

            // FileID schreiben
            if(this._type == FPCommentType.FileByteArray || this._type == FPCommentType.FileComment || this._type == FPCommentType.FileTag || this._type == FPCommentType.ShortFileComment || this._type == FPCommentType.FileIcon) {
                byte[] fID = BitConverter.GetBytes(this._fileID);
                S.BaseStream.WriteByte(fID[0]);
                S.BaseStream.WriteByte(fID[1]);
            }

            S.Write(this._value);
        }

        public FPCommentType Type {
            get { return this._type; }
            set { this._type = value; }
        }

        public string Caption {
            get {
                UTF8Encoding enc = new UTF8Encoding();
                return enc.GetString(this._value);
            }
            set {
                UTF8Encoding enc = new UTF8Encoding();
                this._value = enc.GetBytes(value);
            }
        }

        public UInt16 FileID {
            get { return this._fileID; }
            set { this._fileID = value; }
        }

        public Bitmap Picture {
            get { return new Bitmap((Image)new ImageConverter().ConvertFrom(this._value)); }
            set { this._value = (byte[])new ImageConverter().ConvertTo(value, typeof(byte[])); }
        }

        public Icon Icon {
            get { return (Icon)new IconConverter().ConvertFrom(this._value); }
            set { this._value = (byte[])new IconConverter().ConvertTo(value, typeof(byte[])); }
        }

        public byte[] Bytes {
            get { return this._value; }
            set { this._value = value; }
        }
    }
}