/// <summary>
/// 设置指定参数项
/// </summary>
/// <typeparam name="T">参数项数据类型</typeparam>
/// <param name="groupName">参数组名称</param>
/// <param name="parameterName">参数项名称</param>
/// <param name="description">参数项描述</param>
/// <param name="data">参数项数据</param>
/// <exception cref="C3DException">没有指定参数组</exception>
/// <returns>设置后的参数项</returns>
public C3DParameter SetParameter <T>(String groupName, String parameterName, String description, T data)
{
C3DParameterGroup group = this.GetGroup(groupName);
if (group == null)
{
throw new C3DException("No such parameter group!");
}
C3DParameter param = group[parameterName];
if (param == null)
{
param = group.Add(parameterName, description);
}
else
{
if (description != null)
{
param.Description = description;
}
}
param.SetData <T>(data);
return(param);
}
private void UpdateHeaderAndParameters(C3DFile file)
{
file.Header.FirstDataSectionID = this._newDataStartBlockIndex;
C3DParameter dataStart = file.Parameters["POINT", "DATA_START"];
if (dataStart != null)
{
dataStart.InternalSetData <UInt16>(this._newDataStartBlockIndex);
this._writer.Seek(this._dataStartOffset, SeekOrigin.Begin);
this._writer.Write(dataStart.GetLastDataArrayWithoutDescrption());
}
}
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 T[] LoadFromArray <T>(C3DParameter parameter, Int32 size)
{
Object raw = (parameter != null ? parameter.GetData() : null);
T[] ret = null;
if (raw != null && raw is T[])
{
ret = raw as T[];
}
else if (raw != null && raw is T && size > 0)
{
ret = new T[size];
T unit = (T)raw;
for (Int32 i = 0; i < ret.Length; i++)
{
ret[i] = unit;
}
}
return(ret);
}
/// <summary>
/// 获取指定路径的参数项的数据
/// </summary>
/// <param name="parameterPath">分号(:)分隔的参数项路径</param>
/// <returns>指定路径的参数项的数据</returns>
public T GetParameterData <T>(String parameterPath)
{
C3DParameter param = this[parameterPath];
return(param != null ? param.GetData <T>() : default(T));
}
/// <summary>
/// 获取指定参数项的数据
/// </summary>
/// <param name="groupName">参数组名称</param>
/// <param name="parameterName">参数项名称</param>
/// <returns>指定参数项的数据</returns>
public T GetParameterData <T>(String groupName, String parameterName)
{
C3DParameter param = this[groupName, parameterName];
return(param != null ? param.GetData <T>() : default(T));
}
