private bool BuildIfcDataSet(ref SQLiteDataSet ifcDataSet)
{
if (ifcDataSet == null)
{
return(false);
}
SQLiteDataField sqliteField;
string paramName;
foreach (Type t in Assembly.GetAssembly(typeof(ifc.ENTITY)).GetTypes())
{
if (t.IsClass)
{
if (!t.IsAbstract)
{
if (t.IsSubclassOf(typeof(ifc.ENTITY)))
{
SQLiteDataTable dataTable = new SQLiteDataTable(t.Name);
SQLiteDataRow dataRow = new SQLiteDataRow();
foreach (FieldInfo field in t.GetFields(BindingFlags.Public | BindingFlags.Instance | BindingFlags.FlattenHierarchy))
{
foreach (Attribute attr in field.GetCustomAttributes(true))
{
if (attr is ifcAttribute ifcAttribute)
{
object[] fieldAttributes = null;
if ((field.FieldType.IsGenericType) && (field.FieldType.GetGenericTypeDefinition() == typeof(Nullable <>)) && (field.FieldType.GetGenericArguments()[0].IsEnum))
{
fieldAttributes = field.FieldType.GetGenericArguments()[0].GetCustomAttributes(true);
}
else
{
fieldAttributes = field.FieldType.GetCustomAttributes(true);
}
if (null != fieldAttributes)
{
foreach (Attribute attr2 in fieldAttributes)
{
if (attr2 is ifc.ifcSqlAttribute sqlAttribute)
{
paramName = field.Name.StartsWith("_") ? field.Name.Substring(1) : field.Name;
sqliteField = new SQLiteDataField(ifcAttribute.OrdinalPosition, paramName, ENTITY.DbTypeFromTableId(sqlAttribute.SqlTableId));
sqliteField.Parameter.IsNullable = ifcAttribute.optional || ifcAttribute.derived;
dataRow.Fields.Add(sqliteField);
}
}
}
}
}
}
dataRow.Fields.Add(new SQLiteDataField(0, "Id", DbType.Int32));
dataRow.Fields.Add(new SQLiteDataField(dataRow.Fields.Count, "EndOfLineComment", DbType.String));
// before we add the row, we sort the values by their ordinal position
dataRow.OrderValuesByOrdinalPosition();
dataTable.Rows.Add(dataRow);
ifcDataSet.Tables.Add(dataTable);
}
}
}
}
return(true);
}
public virtual void ToSqliteDataSet(ref SQLiteDataSet dataSet, bool updateExisting, int prevEntityId)
{
string paramName = "";
// find corresponding datatable
bool addNewTable = false;
SQLiteDataTable dataTable = dataSet.Tables.FirstOrDefault(t => t.Name == this.GetType().Name);
if (dataTable == null)
{
addNewTable = true;
dataTable = new SQLiteDataTable(this.GetType().Name);
}
// find corresponding datarow
bool addNewRow = false;
SQLiteDataRow dataRow = dataTable.Rows.FirstOrDefault(r => r.Id == this.LocalId || r.IsEmpty);
if (dataRow == null)
{
addNewRow = true;
dataRow = new SQLiteDataRow();
}
else
{
SQLiteDataField idField = dataRow.Fields.FirstOrDefault(f => f.Parameter.ParameterName == "Id");
if (idField != null)
{
idField.Parameter.Value = this.LocalId;
}
}
if (addNewRow == true || updateExisting == true)
{
if (this is CartesianPoint || this is Direction)
{
double X = 0;
double Y = 0;
double?Z = null;
if (this is CartesianPoint cp)
{
if (cp.Coordinates.Count > 1)
{
X = (double)cp.Coordinates[0]; Y = (double)cp.Coordinates[1];
}
if (cp.Coordinates.Count > 2)
{
Z = (double)cp.Coordinates[2];
}
}
else if (this is Direction dir)
{
if (dir.DirectionRatios.Count > 1)
{
X = (double)dir.DirectionRatios[0]; Y = (double)dir.DirectionRatios[1];
}
if (dir.DirectionRatios.Count > 2)
{
Z = (double)dir.DirectionRatios[2];
}
}
dataRow.Fields.Add(new SQLiteDataField(1, "X", DbType.Double, false, X));
dataRow.Fields.Add(new SQLiteDataField(2, "Y", DbType.Double, false, Y));
dataRow.Fields.Add(new SQLiteDataField(3, "Z", DbType.Double, true, Z));
}
else if (this is EntityComment ec)
{
dataRow.Fields.Add(new SQLiteDataField(1, "Comment", DbType.String, true, ec.CommentLine));
dataRow.Fields.Add(new SQLiteDataField(2, "PreviousEntity", DbType.Int32, false, prevEntityId));
}
else
{
foreach (FieldInfo field in this.GetType().GetFields(BindingFlags.Public | BindingFlags.Instance | BindingFlags.FlattenHierarchy))
{
IEnumerable <ifcAttribute> ifcAttributes = field.GetCustomAttributes(true).Where(a => a is ifcAttribute).Cast <ifcAttribute>();
foreach (ifcAttribute attr in ifcAttributes)
{
object[] fieldAttributes = null;
if (field.FieldType.IsGenericType && field.FieldType.GetGenericArguments()[0].IsEnum && field.FieldType.GetGenericTypeDefinition() == typeof(Nullable <>))
{
fieldAttributes = field.FieldType.GetGenericArguments()[0].GetCustomAttributes(true);
}
else
{
fieldAttributes = field.FieldType.GetCustomAttributes(true);
}
ifcSqlAttribute sqlAttribute = fieldAttributes.FirstOrDefault(a => a is ifcSqlAttribute) as ifcSqlAttribute;
// each attribute is represented as SQLiteDataField
paramName = field.Name.StartsWith("_") ? field.Name.Substring(1) : field.Name;
if (sqlAttribute != null)
{
SQLiteDataField sqliteField = dataRow.Fields.FirstOrDefault(f => f.Parameter.ParameterName == paramName);
if (sqliteField == null)
{
sqliteField = new SQLiteDataField(attr.OrdinalPosition, paramName, DbTypeFromTableId(sqlAttribute.SqlTableId), attr.optional || attr.derived, SqliteAttributeOut(field, field.GetValue(this)));
dataRow.Fields.Add(sqliteField);
}
else
{
sqliteField.Parameter.Value = SqliteAttributeOut(field, field.GetValue(this));
}
}
}
}
}
}
if (addNewRow)
{
if (dataRow.Fields.Count > 0)
{
dataRow.Fields.Add(new SQLiteDataField(0, "Id", DbType.Int32, false, this.LocalId));
dataRow.Fields.Add(new SQLiteDataField(dataRow.Fields.Count, "EndOfLineComment", DbType.String, true, this.EndOfLineComment));
}
// before we add the row, we sort the values by their ordinal position
dataRow.OrderValuesByOrdinalPosition();
dataTable.Rows.Add(dataRow);
if (addNewTable)
{
dataSet.Tables.Add(dataTable);
}
}
}