private void WriteParameters(Byte firstParameterBlockIndex, C3DParameterDictionary dictionary)
{
Int32 startPosition = (firstParameterBlockIndex - 1) * C3DConstants.FILE_SECTION_SIZE;
this._writer.Seek(startPosition, SeekOrigin.Begin);
this._writer.Write(C3DConstants.FILEPARAMETER_FIRST_PARAM_BLOCK);
this._writer.Write(C3DConstants.FILEPARAMETER_SIGNATURE);
this._writer.Write((Byte)0);
this._writer.Write((Byte)C3DConstants.FILE_DEFAULT_PROCESSOR_TYPE);
foreach (C3DParameterGroup group in dictionary)
{
if (group.ID < 0)
{
this.WriteParameter(null, group, false);
foreach (C3DParameter param in group)
{
this.WriteParameter(group, param, false);
}
}
}
C3DParameterGroup lastGroup = new C3DParameterGroup(0, "", "");
this.WriteParameter(null, lastGroup, true);
this._newDataStartBlockIndex = (UInt16)((this._writer.BaseStream.Position + C3DConstants.FILE_SECTION_SIZE) / C3DConstants.FILE_SECTION_SIZE + 1);
this._writer.Write(new Byte[(this._newDataStartBlockIndex - 1) * C3DConstants.FILE_SECTION_SIZE - this._writer.BaseStream.Position]);
this._writer.Seek(startPosition + 2, SeekOrigin.Begin);
this._writer.Write((Byte)(this._newDataStartBlockIndex - 2));
}
public C3DParameterDictionary ReadParameters()
{
Dictionary <Int32, C3DParameterGroup> groups = new Dictionary <Int32, C3DParameterGroup>();
Dictionary <Int32, List <C3DParameter> > parameters = new Dictionary <Int32, List <C3DParameter> >();
Int32 startPosition = (this._firstParameterBlockIndex - 1) * C3DConstants.FILE_SECTION_SIZE;
this._reader.BaseStream.Seek(startPosition + 2, SeekOrigin.Begin);
Byte paramsBlocksCount = this._reader.ReadByte();
Byte processorType = this._reader.ReadByte();
Int64 endPosition = startPosition + paramsBlocksCount * C3DConstants.FILE_SECTION_SIZE;
Int16 nextPosition = 0;
do
{
SByte nameLength = this._reader.ReadSByte();//Byte 1
Boolean isLocked = nameLength < 0;
nameLength = Math.Abs(nameLength);
SByte id = this._reader.ReadSByte(); //Byte 2
Byte[] name = this._reader.ReadBytes(nameLength); //Byte 3
nextPosition = this._reader.ReadInt16(); //Byte 3 + n
Byte[] lastData = (nextPosition > 0 ? this._reader.ReadBytes(nextPosition - 2) : null);
if (id > 0)//C3DParameter
{
C3DParameter parameter = new C3DParameter(this._processorType, id, name, isLocked, lastData);
List <C3DParameter> list = null;
if (!parameters.TryGetValue(parameter.ID, out list))
{
list = new List <C3DParameter>();
}
list.Add(parameter);
parameters[parameter.ID] = list;
}
else//C3DParameterGroup
{
C3DParameterGroup group = new C3DParameterGroup(id, name, isLocked, lastData);
groups[-group.ID] = group;
}
}while (nextPosition > 0 && this._reader.BaseStream.Position < endPosition);
return(C3DParameterDictionary.CreateParameterDictionaryFromParameterList(groups, parameters));
}
private void WriteParameter(C3DParameterGroup parent, AbstractC3DParameter param, Boolean isLast)
{
this._writer.Write((SByte)(param.IsLocked ? -param.Name.Length : param.Name.Length));
this._writer.Write(param.ID);
this._writer.Write(param.GetNameByteArray());
Byte[] lastData = (param.ID > 0 ? param.GetLastDataArrayWithoutDescrption() : null);
Int16 nextPosition = (Int16)(isLast ? 0 :
(2 + (lastData == null ? 0 : lastData.Length) +
1 + (String.IsNullOrEmpty(param.Description) ? 0 : param.Description.Length)));
this._writer.Write(nextPosition);
if (parent != null && String.Equals(parent.Name, "POINT", StringComparison.OrdinalIgnoreCase))
{
if (String.Equals(param.Name, "DATA_START", StringComparison.OrdinalIgnoreCase))
{
this._dataStartOffset = this._writer.BaseStream.Position;
}
}
if (lastData != null)
{
this._writer.Write(lastData);
}
if (param.Description == null)
{
this._writer.Write((Byte)0);
}
else
{
this._writer.Write((Byte)param.Description.Length);
this._writer.Write(param.GetDescriptionByteArray());
}
}
