Esempio n. 1
0
        private void LoadEntries(PblNod nod)
        {
            reader.Seek(nod.offset, SeekOrigin.Begin);
            string hdr = reader.ReadBlockName();

            if (hdr != PblFile105.BLOCK_NAME_NOD)
            {
                throw new PblFileException("Chyba v souboru PBL knihovny. Nebyla nalezena NOD sekce.");
            }

            reader.Seek(OFFSET_FIRST_ENT, SeekOrigin.Current);

            for (int i = 0; i < nod.entCount; i++)
            {
                long offset = reader.Position;
                hdr = reader.ReadBlockName();
                if (hdr != PblFile105.BLOCK_NAME_ENT)
                {
                    throw new PblFileException("Chyba v souboru PBL knihovny. Nebyla nalezena ENT sekce.");
                }

                string   unknown         = reader.ReadUnicodeString(4);
                long     dat_offset      = reader.ReadInt32();
                int      entry_size      = reader.ReadInt32();
                DateTime dt              = reader.ReadDateTime();
                short    comments_length = reader.ReadInt16();
                short    name_length     = reader.ReadInt16();
                string   name            = reader.ReadUnicodeString(name_length / 2);

                PblEntry ent = new PblEntry();
                ent.offset         = offset;
                ent.dataOffset     = dat_offset;
                ent.size           = entry_size;
                ent.time           = dt;
                ent.commentsLength = comments_length;
                ent.name           = name;
                nod.entries[i]     = ent;
                this.entries.Add(ent.name, ent);
            }
        }
Esempio n. 2
0
        public override byte[] LoadEntry(string name)
        {
            PblEntry entry = this.entries[name] as PblEntry;

            if (entry == null)
            {
                throw new PblFileException("Položka " + name + " nebyla nalezena.");
            }

            if (entry.data != null)
            {
                return(entry.data);
            }

            int objsize = entry.size - entry.commentsLength * 2;

            entry.data = new byte[objsize];
            long offset = entry.dataOffset;
            int  size   = 0;
            int  index  = 0;

            byte[] buff = new byte[512];
            // prvni blok muze obsahovat komentar
            if (entry.commentsLength > 0)
            {
                offset         = LoadBlockData(buff, index, offset, ref size);
                entry.comments = Encoding.Unicode.GetString(buff, 0, entry.commentsLength * 2);
                Array.Copy(buff, entry.commentsLength * 2, entry.data, 0, size - entry.commentsLength * 2);
                index += (size - entry.commentsLength * 2);
            }

            while (offset != 0)
            {
                offset = LoadBlockData(entry.data, index, offset, ref size);
                index += size;
            }

            return(entry.data);
        }
Esempio n. 3
0
        public override byte[] LoadEntry(string name)
        {
            PblEntry entry = this.entries[name] as PblEntry;

            if (entry == null)
            {
                throw new PblFileException("Entry " + name + " was not found.");
            }

            if (entry.data != null)
            {
                return(entry.data);
            }

            int objsize = entry.size - entry.commentsLength * 2;

            entry.data = new byte[objsize];
            long offset = entry.dataOffset;
            int  size   = 0;
            int  index  = 0;

            byte[] buff = new byte[512];
            // the first block may contain a remark
            if (entry.commentsLength > 0)
            {
                offset         = LoadBlockData(buff, index, offset, ref size);
                entry.comments = Encoding.Unicode.GetString(buff, 0, entry.commentsLength * 2);
                Array.Copy(buff, entry.commentsLength * 2, entry.data, 0, size - entry.commentsLength * 2);
                index += (size - entry.commentsLength * 2);
            }

            while (offset != 0)
            {
                offset = LoadBlockData(entry.data, index, offset, ref size);
                index += size;
            }

            return(entry.data);
        }