/// <summary>
/// Converts from c# datatypes to fluentscript datatypes inside
/// </summary>
/// <param name="val"></param>
public static LObject ConvertToLangValue(LType ltype, object val)
{
if (val == null) return LObjects.Null;
if (ltype == LTypes.Number)
return new LNumber(Convert.ToDouble(val));
if (ltype == LTypes.String)
return new LString(Convert.ToString(val));
if (ltype == LTypes.Date)
return new LDate(Convert.ToDateTime(val));
if (ltype == LTypes.Time)
{
var valText = Convert.ToString(val);
var result = DateTimeTypeHelper.ParseTime(valText);
var time = result.Item1;
return new LTime(time);
}
if (ltype == LTypes.Bool)
return new LBool(Convert.ToBoolean(val));
return LObjects.Null;
}
/// <summary>
/// Registers methods on a specific type if no existing methods implementation are already
/// registered for the type.
/// </summary>
/// <param name="type">The datatype for which the methods implementation are applicable</param>
/// <param name="methods">The method implementations</param>
public void RegisterIfNotPresent(LType type, ITypeMethods methods)
{
if (!_typeToMethods.ContainsKey(type))
{
_typeToMethods[type] = methods;
methods.OnRegistered();
}
}
/// <summary>
/// Registers methods on a specific type if no existing methods implementation are already
/// registered for the type.
/// </summary>
/// <param name="type">The datatype for which the methods implementation are applicable</param>
/// <param name="methods">The method implementations</param>
public void RegisterIfNotPresent(LType type, ITypeMethods methods)
{
if (!_typeToMethods.ContainsKey(type))
{
_typeToMethods[type] = methods;
methods.OnRegistered();
}
}
/// <summary>
/// Register the type
/// </summary>
/// <param name="type">The type</param>
/// <param name="fullName">The fullname of the type</param>
/// <param name="name">The short name of the type</param>
public static void RegisterAlias(LType type, string fullName, string name)
{
_types[fullName] = type;
if (type.IsSystemType)
{
_sysBasicTypes[name] = type;
}
}
/// <summary>
/// Expects the objects type to be of the supplied type.
/// </summary>
/// <param name="node"></param>
/// <param name="result"></param>
/// <param name="lType"></param>
public static void ExpectType(AstNode node, object result, LType lType)
{
if(!(result is LObject) || ((LObject)result).Type != lType)
{
throw new LangException("Runtime Error", "Expected type " + lType.Name,
node.Ref.ScriptName, node.Ref.Line, node.Ref.CharPos);
}
}
/// <summary>
/// Expects the objects type to be of the supplied type.
/// </summary>
/// <param name="node"></param>
/// <param name="result"></param>
/// <param name="lType"></param>
public static void NotNullType(AstNode node, object obj, string nullMessage, LType lType)
{
if (obj == null || obj == LObjects.Null)
{
throw new LangException("Runtime Error", nullMessage,
node.Ref.ScriptName, node.Ref.Line, node.Ref.CharPos);
}
if (!(obj is LObject) || ((LObject)obj).Type != lType)
{
throw new LangException("Runtime Error", "Expected type " + lType.Name,
node.Ref.ScriptName, node.Ref.Line, node.Ref.CharPos);
}
}
/// <summary>
/// Register methods on a specific type.
/// </summary>
/// <param name="type">The datatype for which the methods implementation are applicable</param>
/// <param name="methods">The method implementations</param>
public void Register(LType type, ITypeMethods methods)
{
_typeToMethods[type] = methods;
}
/// <summary>
/// Get the type in the host language that represents the same type in fluentscript.
/// </summary>
/// <param name="ltype">The LType in fluentscript.</param>
/// <returns></returns>
public static Type ConvertToHostLangType(LType ltype)
{
if (ltype == LTypes.Bool) return typeof(bool);
if (ltype == LTypes.Date) return typeof(DateTime);
//if (ltype == LTypes.Number) return typeof(int);
if (ltype == LTypes.Number) return typeof(double);
if (ltype == LTypes.String) return typeof(string);
if (ltype == LTypes.Time) return typeof(TimeSpan);
if (ltype == LTypes.Array) return typeof(IList);
if (ltype == LTypes.Map) return typeof(IDictionary);
if (ltype == LTypes.Null) return typeof(Nullable);
return typeof(object);
}
/// <summary>
/// Register the type
/// </summary>
/// <param name="type">The type</param>
/// <param name="fullName">The fullname of the type</param>
/// <param name="name">The short name of the type</param>
public static void RegisterAlias(LType type, string fullName, string name)
{
_types[fullName] = type;
if (type.IsSystemType)
_sysBasicTypes[name] = type;
}
/// <summary>
/// Register the type
/// </summary>
/// <param name="type"></param>
public static void Register(LType type)
{
RegisterAlias(type, type.FullName, type.Name);
}
/// <summary>
/// Get the methods implementation for the supplied type.
/// </summary>
/// <param name="type"></param>
public ITypeMethods Get(LType type)
{
return(_typeToMethods[type]);
}
/// <summary>
/// Whether or not there are methods for the supplied type.
/// </summary>
/// <param name="type"></param>
public bool Contains(LType type)
{
return(_typeToMethods.ContainsKey(type));
}
/// <summary>
/// Register methods on a specific type.
/// </summary>
/// <param name="type">The datatype for which the methods implementation are applicable</param>
/// <param name="methods">The method implementations</param>
public void Register(LType type, ITypeMethods methods)
{
_typeToMethods[type] = methods;
}
/// <summary>
/// Whether or not there are methods for the supplied type.
/// </summary>
/// <param name="type"></param>
public bool Contains(LType type)
{
return _typeToMethods.ContainsKey(type);
}
/// <summary>
/// Is match with the type supplied and the
/// </summary>
/// <param name="type"></param>
/// <param name="obj1"></param>
/// <param name="obj2"></param>
/// <returns></returns>
private bool IsTypeMatch(LType type, LObject obj1, LObject obj2)
{
if (obj1.Type == type && obj2.Type == type)
return true;
return false;
}
/// <summary>
/// Get the methods implementation for the supplied type.
/// </summary>
/// <param name="type"></param>
public ITypeMethods Get(LType type)
{
return _typeToMethods[type];
}
/// <summary>
/// Register the type
/// </summary>
/// <param name="type"></param>
public static void Register(LType type)
{
RegisterAlias(type, type.FullName, type.Name);
}