protected override Stream UnParse()
{
Stream s = new MemoryStream();
BinaryWriter w = new BinaryWriter(s);
if (this.structureList == null)
{
this.structureList = new StructureList(OnResourceChanged);
}
if (this.dataList == null)
{
this.dataList = new DataList(OnResourceChanged, this);
}
// Write Header with blank offsets
w.Write((uint)FOURCC("DATA"));
w.Write(this.version);
w.Write(blank); // data table offset
w.Write(this.dataList.Count);
w.Write(blank); // structure table offset
w.Write(this.structureList.Count);
// Padding between header and data table?
w.Write(blank);
w.Write(blank);
// Write Data Table with blank Name and Structure offsets
this.dataTablePosition = (uint)s.Position;
this.dataList.UnParse(w);
// Write Structure Table blank Name offsets
this.structureTablePosition = (uint)s.Position;
// Write Names and set Name positions in data
foreach (Structure structure in this.structureList)
{
foreach (Field field in structure.FieldTable)
{
if (string.IsNullOrEmpty(field.Name))
{
field.NamePosition = Util.NullOffset;
}
else
{
field.NamePosition = (uint)s.Position;
Util.WriteString(w, field.Name);
}
}
if (string.IsNullOrEmpty(structure.Name))
{
structure.NamePosition = Util.NullOffset;
}
else
{
structure.NamePosition = (uint)s.Position;
Util.WriteString(w, structure.Name);
}
}
foreach (Data data in this.dataList)
{
if (string.IsNullOrEmpty(data.Name))
{
data.NamePosition = Util.NullOffset;
}
else
{
data.NamePosition = (uint)s.Position;
Util.WriteString(w, data.Name);
}
}
// Go back, calculate and write offsets
this.structureList.WriteOffsets(w);
this.dataList.WriteOffsets(w);
return(s);
}