public void DefaultUpdateSetValueMethod(PropertyDefinition propertyDesc, CodeMemberMethod setvalueMethod)
{
//Type fieldRealType;
//fieldRealType = Type.GetType(field.Type.BaseType, false);
var setValueStatement = new CodeConditionStatement(
new CodeMethodInvokeExpression(
WXMLCodeDomGeneratorHelper.GetFieldNameReferenceExpression(propertyDesc),
"Equals",
new CodeVariableReferenceExpression("fieldName"))
);
var fieldName = new WXMLCodeDomGeneratorNameHelper(Settings).GetPrivateMemberName(propertyDesc.Name);
//setValueStatement.TrueStatements.Add(
// new CodeVariableDeclarationStatement(typeof(IConvertible), "vConv",
// new Codety)
// );
//old: simple cast
//setValueStatement.TrueStatements.Add(new CodeAssignStatement(
// new CodeFieldReferenceExpression(
// new CodeThisReferenceExpression(), field.Name),
// new CodeCastExpression(field.Type,
// new CodeArgumentReferenceExpression(
// "value"))));
// new: solves problem of direct casts with Nullable<>
if (propertyDesc.PropertyType.IsNullableType && propertyDesc.PropertyType.IsClrType && propertyDesc.PropertyType.ClrType.GetGenericArguments()[0].IsValueType && !propertyDesc.PropertyType.ClrType.GetGenericArguments()[0].Equals(typeof(Guid)) && !propertyDesc.PropertyType.ClrType.GetGenericArguments()[0].Equals(typeof(TimeSpan)))
{
setValueStatement.TrueStatements.Add(
//new CodeVariableDeclarationStatement(typeof(IConvertible), "iconvVal",
// CodePatternAsExpression(new CodeTypeReference(typeof(IConvertible)),
// new CodeArgumentReferenceExpression("value")))
Emit.declare("iconvVal", () => LinqToCodedom.Generator.CodeDom.VarRef("value") as IConvertible)
);
setValueStatement.TrueStatements.Add(
new CodeConditionStatement(
new CodeBinaryOperatorExpression(new CodeVariableReferenceExpression("iconvVal"),
CodeBinaryOperatorType.IdentityEquality, new CodePrimitiveExpression(null)),
new CodeStatement[]
{
new CodeAssignStatement(
new CodeFieldReferenceExpression(
new CodeThisReferenceExpression(), fieldName),
new CodeCastExpression(propertyDesc.PropertyType.ToCodeType(Settings),
new CodeArgumentReferenceExpression(
"value")))
},
new CodeStatement[]
{
//System.Threading.Thread.CurrentThread.CurrentCulture
new CodeAssignStatement(
new CodeFieldReferenceExpression(
new CodeThisReferenceExpression(), fieldName),
new CodeMethodInvokeExpression(
new CodeVariableReferenceExpression("iconvVal"),
"To" + propertyDesc.PropertyType.ClrType.GetGenericArguments()[0].Name,
new CodePropertyReferenceExpression(
new CodePropertyReferenceExpression(
new CodeTypeReferenceExpression(typeof(System.Threading.Thread)),
"CurrentThread"
),
"CurrentCulture"
)
)
)
}
)
);
}
else if (propertyDesc.PropertyType.IsEnum)
{
setValueStatement.TrueStatements.Add(
Emit.@ifelse((object value) => LinqToCodedom.Generator.CodeDom.Is(value, null),
/* true statements */ new[] { Emit.assignField(fieldName, (object value) => LinqToCodedom.Generator.CodeDom.@default(propertyDesc.PropertyType.ToCodeType(Settings))) },
/* false statements */ Emit.assignField(fieldName, (object value) => LinqToCodedom.Generator.CodeDom.cast(propertyDesc.PropertyType.ToCodeType(Settings),
LinqToCodedom.Generator.CodeDom.Call <object>(LinqToCodedom.Generator.CodeDom.MethodRef(typeof(Enum), "ToObject"))(new CodeTypeOfExpression(propertyDesc.PropertyType.ToCodeType(Settings)), value)
))
)
);
}
else if (propertyDesc.PropertyType.IsValueType && (!propertyDesc.PropertyType.IsNullableType || !(propertyDesc.PropertyType.IsClrType && (propertyDesc.PropertyType.ClrType.GetGenericArguments()[0].Equals(typeof(Guid)) || propertyDesc.PropertyType.ClrType.GetGenericArguments()[0].Equals(typeof(TimeSpan))))))
{
//old: simple cast
//setValueStatement.TrueStatements.Add(new CodeAssignStatement(
// new CodeFieldReferenceExpression(
// new CodeThisReferenceExpression(), fieldName),
// new CodeCastExpression(propertyDesc.PropertyType.ToCodeType(Settings),
// new CodeMethodInvokeExpression(new CodeTypeReferenceExpression(new CodeTypeReference(typeof(Convert))), "ChangeType",
// new CodeArgumentReferenceExpression("value"), new CodeTypeOfExpression(propertyDesc.PropertyType.ToCodeType(Settings))))));
setValueStatement.TrueStatements.Add(
Emit.@ifelse((object value) => LinqToCodedom.Generator.CodeDom.Is(value, null),
/* true statements */ new [] { Emit.assignField(fieldName, (object value) => LinqToCodedom.Generator.CodeDom.@default(propertyDesc.PropertyType.ToCodeType(Settings))) },
/* false statements */ Emit.assignField(fieldName, (object value) => LinqToCodedom.Generator.CodeDom.cast(propertyDesc.PropertyType.ToCodeType(Settings),
LinqToCodedom.Generator.CodeDom.Call <object>("Convert.ChangeType")(value, new CodeTypeOfExpression(propertyDesc.PropertyType.ToCodeType(Settings)))
))
)
);
}
else
{
setValueStatement.TrueStatements.Add(new CodeAssignStatement(
new CodeFieldReferenceExpression(
new CodeThisReferenceExpression(), fieldName),
new CodeCastExpression(propertyDesc.PropertyType.ToCodeType(Settings), new CodeArgumentReferenceExpression("value"))));
}
setValueStatement.TrueStatements.Add(new CodeMethodReturnStatement());
setvalueMethod.Statements.Add(setValueStatement);
}
