internal AppId(DxfEntryTemplate template) : base(template)
{
if (string.IsNullOrEmpty(template.TableName))
{
throw new ArgumentNullException(nameof(template.TableName), "App id must have a name.");
}
}
internal TableEntry(DxfEntryTemplate template)
{
//TableName = template.TableName;
Name = template.Name;
Handle = template.Handle;
OwnerHandle = template.OwnerHandle;
}
internal Layer(DxfEntryTemplate template) : base(template)
{
if (string.IsNullOrEmpty(template.Name))
{
throw new ArgumentNullException(nameof(template.Name), "Layer must have a name.");
}
}
private List <TableEntry> readEntries()
{
List <TableEntry> entries = new List <TableEntry>();
//Read all the entries until the end of the table
while (m_reader.LastValueAsString != DxfFileToken.EndTable)
{
DxfEntryTemplate template = new DxfEntryTemplate();
//Read the common entry data
while (m_reader.LastDxfCode != DxfCode.Subclass)
{
switch (m_reader.LastCode)
{
//Entity type (table name)
case 0:
template.TableName = m_reader.LastValueAsString;
break;
//Handle (all except DIMSTYLE)
case 5:
//Handle(all except DIMSTYLE)
case 105:
template.Handle = m_reader.LastValueAsHandle;
break;
//Start of application - defined group
case 102:
//TODO: read dictionary groups for entities
do
{
m_reader.ReadNext();
}while (m_reader.LastDxfCode != DxfCode.ControlString);
break;
//Soft - pointer ID / handle to owner BLOCK_RECORD object
case 330:
template.OwnerHandle = m_reader.LastValueAsHandle;
break;
default:
Debug.Fail($"Unhandeled dxf code {m_reader.LastCode} at line {m_reader.Line}.");
break;
}
m_reader.ReadNext();
}
Debug.Assert(m_reader.LastValueAsString == DxfSubclassMarker.TableRecord);
m_reader.ReadNext();
TableEntry entry = readEntry(template);
entries.Add(entry);
}
return(entries);
}
internal UCS(DxfEntryTemplate template) : base(template)
{
}
internal DimensionStyle(DxfEntryTemplate template) : base(template)
{
}
internal VPort(DxfEntryTemplate template) : base(template)
{
}
internal View(DxfEntryTemplate template) : base(template)
{
}
internal LineType(DxfEntryTemplate template) : base(template)
{
}
internal Style(DxfEntryTemplate template) : base(template)
{
}
private TableEntry readEntry(DxfEntryTemplate template)
{
TableEntry table = null;
//Get the entry
switch (template.TableName)
{
case DxfFileToken.TableAppId:
table = new AppId(template);
break;
case DxfFileToken.TableBlockRecord:
table = new BlockRecord(template);
break;
case DxfFileToken.TableDimstyle:
table = new DimensionStyle(template);
break;
case DxfFileToken.TableLayer:
table = new Layer(template);
break;
case DxfFileToken.TableLinetype:
table = new LineType(template);
break;
case DxfFileToken.TableStyle:
table = new Style(template);
break;
case DxfFileToken.TableUcs:
table = new UCS(template);
break;
case DxfFileToken.TableView:
table = new View(template);
break;
case DxfFileToken.TableVport:
table = new VPort(template);
break;
default:
Debug.Fail($"Unhandeled table {template.Name}.");
break;
}
//Jump the SubclassMarker
m_reader.ReadNext();
Dictionary <DxfCode, object> map = table?.GetCadObjectMap() ?? new Dictionary <DxfCode, object>();
while (m_reader.LastDxfCode != DxfCode.Start)
{
//Check if the dxf code is registered
if (map.ContainsKey(m_reader.LastDxfCode))
{
//Set the value
map[m_reader.LastDxfCode] = m_reader.LastValue;
}
m_reader.ReadNext();
}
//Build the table based on the map
table?.Build(map);
return(table);
}
