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);
}
}
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);
}
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);
}
