/// <summary>
/// returns a stored or new ListType object from otDataType
/// </summary>
/// <param name="innerTypeId"></param>
/// <param name="engine"></param>
/// <param name="name"></param>
/// <param name="isNullable"></param>
/// <returns></returns>
public static ListType GetDataType(Engine engine, otDataType innerTypeId = otDataType.Text, string name = null, bool isNullable = false)
{
IDataType innerDataType = PrimitiveType.GetPrimitiveType(innerTypeId);
string sig = CreateSignature(innerDataType, isNullable);
if (!String.IsNullOrEmpty(name) && engine.Repository.HasDataType(name))
{
IDataType aDatatype = engine.Repository.GetDatatype(name);
if (aDatatype.TypeId == otDataType.List) return (ListType)aDatatype;
throw new RulezException(RulezException.Types.IdExists, arguments: new object[] { name, aDatatype.Name });
}
if (engine.Repository.HasDataTypeSignature(sig)) return (ListType)engine.Repository.GetDatatypeBySignature(sig).FirstOrDefault();
// create new one
return new ListType(innerDataType: innerDataType, isNullable: isNullable, name: name, engine: engine);
}
/// <summary>
/// returns or creates an anonymous type from the engine
/// </summary>
public static LanguageTextType GetDataType(SymbolType cultural, Engine engine, string name = null, bool isNullable = false)
{
string sig = CreateSignature(structure: new IDataType[] { PrimitiveType.GetPrimitiveType(otDataType.Text), cultural }, isNullable: isNullable);
if (!String.IsNullOrEmpty(name) && engine.Repository.HasDataType(name))
{
IDataType aDatatype = engine.Repository.GetDatatype(name);
if (aDatatype.TypeId == otDataType.LanguageText) return (LanguageTextType) aDatatype;
throw new RulezException(RulezException.Types.IdExists, arguments: new object[] { name, aDatatype.Name });
}
if (engine.Repository.HasDataTypeSignature(sig)) return (LanguageTextType)engine.Repository.GetDatatypeBySignature(sig).FirstOrDefault();
// create new one
return new LanguageTextType(cultural: cultural, isNullable: isNullable, name:name, engine: engine);
}
/// <summary>
/// constructor
/// </summary
public ListType(IDataType innerDataType, string name = null, bool isNullable = false, Engine engine = null)
: base(typeId: otDataType.List, isNullable: isNullable, name: name, engine: engine, defaultvalue: null)
{
// check on type
this.StructureTypeName = ConstTypeName;
this.InnerDataType = innerDataType;
this.DefaultValue = GetDefaultValue(otDataType.List);
this.Signature = StructureTypeName + (IsNullable ? "?" : "") + "<" + innerDataType.Signature + ">";
// raise event !
RaiseOnCreation(this, datatype: this, engine: engine);
}
/// <summary>
/// constructor
/// </summary
public DecimalUnitType(SymbolType unit, string name = null, Boolean isNullable= false, Engine engine = null)
: base(typeId: otDataType.DecimalUnit, isNullable:isNullable, defaultvalue: null, engine: engine, name: name)
{
// anonymous name
if (String.IsNullOrEmpty(name)) this.Name = Guid.NewGuid().ToString();
this.ComplexTypeName = ConstTypeName; ;
AddMember(ConstValue, PrimitiveType.GetPrimitiveType(otDataType.Decimal));
AddMember(ConstUnit, unit);
_signature = CreateSignature(_structure.Values, isNullable: isNullable, typename: ConstTypeName, name: name);
// raise event
RaiseOnCreation(this, datatype: this, engine: engine);
}
/// <summary>
/// constructor
/// </summary
public LanguageTextType(SymbolType cultural, string name = null,Boolean isNullable=false, Engine engine = null)
: base(typeId: otDataType.LanguageText, isNullable: isNullable, defaultvalue: null, engine: engine, name: name)
{
this.ComplexTypeName = ConstTypeName;
AddMember(ConstText, PrimitiveType.GetPrimitiveType(otDataType.Text));
AddMember(ConstCultural, cultural);
_signature = CreateSignature(_structure.Values, isNullable: isNullable, typename: ConstTypeName, name: name);
// raise event
RaiseOnCreation(this, datatype: this, engine: engine);
}
/// <summary>
/// constructor
/// </summary
public DataStructureType(otDataType typeId, string name = null, bool isNullable = false, Engine engine = null, object defaultvalue = null)
: base(typeId: typeId, isNullable: isNullable, defaultvalue: defaultvalue, name: name, engine: engine)
{
}
/// <summary>
/// constructor
/// </summary
public CompositeType(string name, otDataType typeId, Boolean isNullable, Engine engine = null, object defaultvalue = null)
: base(typeId, isNullable:isNullable, defaultvalue: null, engine: engine, name: name)
{
}
/// <summary>
/// constructor
/// </summary
public DataObjectType(string name, Engine engine=null)
: base(otDataType.DataObject, isNullable:true, defaultvalue: null, engine: engine, name: name)
{
//_signature = CreateSignature(_structure.Values, isNullable: isNullable, typename: ConstTypeName, name: name);
// raise event !
RaiseOnCreation(this, datatype: this, engine: engine);
}
/// <summary>
/// returns or creates an anonymous type from the engine
/// </summary>
public static DataObjectType GetDataType(string name, Engine engine)
{
if (engine.Repository.HasDataType(name))
{
IDataType aDatatype = engine.Repository.GetDatatype(name);
if (aDatatype.TypeId == otDataType.DataObject || aDatatype.TypeId == (otDataType.IsNullable | otDataType.DataObject)) return (DataObjectType)aDatatype;
// not found as dataobject
throw new RulezException(RulezException.Types.IdExists, arguments: new object[] { name, "not a data object type" });
}
// create new one
return new DataObjectType(name, engine: engine);
}
/// <summary>
/// returns or creates a type from the engine
/// </summary>
public static new TupleType GetDataType(IDataType[] structure, Engine engine, string[] memberNames = null, string name = null, bool isNullable = false)
{
string sig = CreateSignature(structure: structure, typename: ConstTypeName, isNullable: isNullable);
if (!String.IsNullOrEmpty(name) && engine.Repository.HasDataType(name))
{
IDataType aDatatype = engine.Repository.GetDatatype(name);
if (aDatatype.TypeId == otDataType.Tuple) return (TupleType)aDatatype;
throw new RulezException(RulezException.Types.IdExists, arguments: new object[] { name, aDatatype.Name });
}
if (engine.Repository.HasDataTypeSignature(sig)) return (TupleType)engine.Repository.GetDatatypeBySignature(sig).FirstOrDefault();
// create new one
return new TupleType(structure: structure, isNullable: isNullable, memberNames: memberNames, name: name, engine: engine);
}
/// <summary>
/// constructor
/// </summary
public TupleType(IDataType[] structure, string[] memberNames = null, string name = null, Boolean isNullable = false, Engine engine = null)
: base(typeId: otDataType.Tuple, isNullable: isNullable, defaultvalue: null, engine: engine, name: name)
{
// anonymous name
if (String.IsNullOrEmpty(name)) this.Name = Guid.NewGuid().ToString();
this.ComplexTypeName = ConstTypeName;
uint i = 0;
foreach (IDataType aType in structure)
{
string id;
if (memberNames != null && i <= memberNames.GetUpperBound(0)) id = memberNames[i];
else id = i.ToString();
AddMember(id, aType);
i++;
}
_signature = CreateSignature(structure: structure, isNullable: isNullable, typename: ConstTypeName, name: name);
// raise event
RaiseOnCreation(this, datatype: this, engine: engine);
}
/// <summary>
/// constructor
/// </summary
public SymbolType( otDataType innerTypeId = otDataType.Number, Boolean isNullable= false, Engine engine = null, string name = null)
: base(typeId: otDataType.Symbol, isNullable: isNullable, defaultvalue: null, engine: engine, name: name)
{
this.ComplexTypeName = ConstTypeName;
// anonymous name
if (String.IsNullOrEmpty(name)) this.Name = Guid.NewGuid().ToString();
// define the structure
AddMember(ConstSYMBOL, DataType.GetDataType(otDataType.Text));
AddMember(ConstValue, DataType.GetDataType(innerTypeId));
_signature = CreateSignature(_structure.Values, isNullable: isNullable, typename: ConstTypeName, name: name);
// raise event
RaiseOnCreation(this, datatype: this, engine: engine);
}
/// <summary>
/// constructor
/// </summary>
/// <param name="engine"></param>
public Context(Engine engine = null)
{
if (engine != null) _engine = engine;
else _engine = Rules.Engine;
}
private eXPressionTree.XPTree _xptree; // the output tree
#endregion Fields
#region Constructors
/// <summary>
/// constructor
/// </summary>
/// <param name="parser"></param>
public XPTGenerator(RulezParser parser, Engine engine = null)
{
_parser = parser;
if (engine == null) _engine = parser.Engine;
else { _engine = engine; }
}