internal LayersTable(DxfTableTemplate template) : base(template)
{
}
internal LineTypesTable(DxfTableTemplate template) : base(template)
{
}
internal BlockRecordsTable(DxfTableTemplate template) : base(template)
{
}
internal UCSTable(DxfTableTemplate template) : base(template)
{
}
internal AppIdsTable(DxfTableTemplate template) : base(template)
{
}
internal Table(DxfTableTemplate template)
{
Handle = template.Handle;
OwnerHandle = template.OwnerHandle;
}
internal ViewPortsTable(DxfTableTemplate template) : base(template)
{
}
internal DimensionStylesTable(DxfTableTemplate template) : base(template)
{
}
/// <summary>
/// Read the tables in the document.
/// </summary>
/// <param name="document">Document where the tables reside.</param>
private void readTable(CadDocument document)
{
//https://help.autodesk.com/view/OARX/2021/ENU/?guid=GUID-5926A569-3E40-4ED2-AE06-6ACCE0EFC813
Debug.Assert(m_reader.LastValueAsString == DxfFileToken.TableEntry);
//Read the table name
m_reader.ReadNext();
DxfTableTemplate template = new DxfTableTemplate();
//Loop until the common data
while (m_reader.LastDxfCode != DxfCode.Start)
{
switch (m_reader.LastCode)
{
//Table name
case 2:
template.Name = m_reader.LastValueAsString;
break;
//Handle
case 5:
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;
//Subclass marker(AcDbSymbolTable)
case 100:
Debug.Assert(m_reader.LastValueAsString == DxfSubclassMarker.Table ||
m_reader.LastValueAsString == DxfSubclassMarker.DimensionStyleTable);
break;
case 71:
//Number of entries for dimension style table
case 340:
//Dimension table has the handles of the styles at the begining
break;
//Maximum number of entries in table
case 70:
template.MaxEntries = m_reader.LastValueAsInt;
break;
default:
Debug.Fail($"Unhandeled dxf code {m_reader.LastCode} at line {m_reader.Line}.");
break;
}
m_reader.ReadNext();
}
List <TableEntry> entries = new List <TableEntry>();
//Check if the table is empty
if (m_reader.LastValueAsString != DxfFileToken.EndTable)
{
//Get the table entries
Debug.Assert(m_reader.LastValueAsString == template.Name);
entries = readEntries();
}
switch (template.Name)
{
case DxfFileToken.TableAppId:
document.AppIds = new AppIdsTable(template);
//Add the entries
foreach (TableEntry item in entries)
{
document.AppIds.Add(item as AppId);
}
break;
case DxfFileToken.TableBlockRecord:
document.BlockRecords = new BlockRecordsTable(template);
//Add the entries
foreach (TableEntry item in entries)
{
document.BlockRecords.Add(item as BlockRecord);
}
break;
case DxfFileToken.TableDimstyle:
document.DimensionStyles = new DimensionStylesTable(template);
//Add the entries
foreach (TableEntry item in entries)
{
document.DimensionStyles.Add(item as DimensionStyle);
}
break;
case DxfFileToken.TableLayer:
document.Layers = new LayersTable(template);
//Add the entries
foreach (TableEntry item in entries)
{
document.Layers.Add(item as Layer);
}
break;
case DxfFileToken.TableLinetype:
document.LineTypes = new LineTypesTable(template);
//Add the entries
foreach (TableEntry item in entries)
{
document.LineTypes.Add(item as LineType);
}
break;
case DxfFileToken.TableStyle:
document.Styles = new StylesTable(template);
//Add the entries
foreach (TableEntry item in entries)
{
document.Styles.Add(item as Style);
}
break;
case DxfFileToken.TableUcs:
document.UCSs = new UCSTable(template);
//Add the entries
foreach (TableEntry item in entries)
{
document.UCSs.Add(item as UCS);
}
break;
case DxfFileToken.TableView:
document.Views = new ViewsTable(template);
//Add the entries
foreach (TableEntry item in entries)
{
document.Views.Add(item as View);
}
break;
case DxfFileToken.TableVport:
document.ViewPorts = new ViewPortsTable(template);
//Add the entries
foreach (TableEntry item in entries)
{
document.ViewPorts.Add(item as VPort);
}
break;
default:
Debug.Fail($"Unhandeled table {template.Name}.");
break;
}
}
internal StylesTable(DxfTableTemplate template) : base(template)
{
}
