private void EnsureTableItems()
{
var existingDimStyles = GetExistingNames(DimensionStyles.Cast <DxfSymbolTableFlags>());
AddMissingDimensionStyles(existingDimStyles, new[] { Header.DimensionStyleName });
AddMissingDimensionStyles(existingDimStyles, Entities.OfType <DxfDimensionBase>().Select(d => d.DimensionStyleName));
AddMissingDimensionStyles(existingDimStyles, Entities.OfType <DxfLeader>().Select(d => d.DimensionStyleName));
AddMissingDimensionStyles(existingDimStyles, Entities.OfType <DxfTolerance>().Select(d => d.DimensionStyleName));
var existingLayers = GetExistingNames(Layers.Cast <DxfSymbolTableFlags>());
AddMissingLayers(existingLayers, new[] { Header.CurrentLayer });
AddMissingLayers(existingLayers, Blocks.Select(b => b.Layer));
AddMissingLayers(existingLayers, Blocks.SelectMany(b => b.Entities.Select(e => e.Layer)));
AddMissingLayers(existingLayers, Entities.Select(e => e.Layer));
AddMissingLayers(existingLayers, Objects.OfType <DxfLayerFilter>().SelectMany(l => l.LayerNames));
AddMissingLayers(existingLayers, Objects.OfType <DxfLayerIndex>().SelectMany(l => l.LayerNames));
var existingLineTypes = GetExistingNames(LineTypes.Cast <DxfSymbolTableFlags>());
AddMissingLineTypes(existingLineTypes, new[] { Header.CurrentEntityLineType, Header.DimensionLineType });
AddMissingLineTypes(existingLineTypes, Layers.Select(l => l.LineTypeName));
AddMissingLineTypes(existingLineTypes, Blocks.SelectMany(b => b.Entities.Select(e => e.LineTypeName)));
AddMissingLineTypes(existingLineTypes, Entities.Select(e => e.LineTypeName));
AddMissingLineTypes(existingLineTypes, Objects.OfType <DxfMLineStyle>().SelectMany(m => m.Elements.Select(e => e.LineType)));
var existingStyles = GetExistingNames(Styles.Cast <DxfSymbolTableFlags>());
AddMissingStyles(existingStyles, Entities.OfType <DxfArcAlignedText>().Select(a => a.TextStyleName));
AddMissingStyles(existingStyles, Entities.OfType <DxfAttribute>().Select(a => a.TextStyleName));
AddMissingStyles(existingStyles, Entities.OfType <DxfAttributeDefinition>().Select(a => a.TextStyleName));
AddMissingStyles(existingStyles, Entities.OfType <DxfMText>().Select(m => m.TextStyleName));
AddMissingStyles(existingStyles, Entities.OfType <DxfText>().Select(t => t.TextStyleName));
AddMissingStyles(existingStyles, Objects.OfType <DxfMLineStyle>().Select(m => m.StyleName));
var existingUcs = GetExistingNames(UserCoordinateSystems.Cast <DxfSymbolTableFlags>());
AddMissingUcs(existingUcs, new[] {
Header.UCSDefinitionName,
Header.UCSName,
Header.OrthoUCSReference,
Header.PaperspaceUCSDefinitionName,
Header.PaperspaceUCSName,
Header.PaperspaceOrthoUCSReference,
});
var existingAppIds = GetExistingNames(ApplicationIds.Cast <DxfSymbolTableFlags>());
AddMissingAppIds(existingAppIds, Entities.SelectMany(e => e.XData.Keys));
AddMissingAppIds(existingAppIds, Objects.SelectMany(o => o.XData.Keys));
AddMissingAppIds(existingAppIds, Blocks.SelectMany(b => b.XData.Keys));
// don't need to do anything special for BlockRecords or ViewPorts
}
private void AddMissingUcs(HashSet <string> existingUcs, IEnumerable <string> ucsToAdd)
{
AddMissingTableItems <DxfUcs>(existingUcs, ucsToAdd, name => new DxfUcs(name), u => UserCoordinateSystems.Add(u));
}
