private void WriteStringLength(ILWriter writer, PropertyInfo property, StringLengthAttribute attribute)
{
var local = writer.DeclareLocal <string>();
if (property.PropertyType == typeof(string))
{
writer.LoadFirstParameter();
writer.GetPropertyValue(property);
writer.SetLocal(local);
writer.LoadLocal(local);
writer.LoadNull();
var notNullBlock = writer.IfEqualThen();
var isNullMessage = CommonResults.PropertyCannotBeNull.WithValues(property.ReflectedType.Name, property.Name);
WriteFailureResult(writer, ValidationKind.StringLength, isNullMessage);
writer.Return();
writer.MarkLabel(notNullBlock);
var lengthValue = writer.DeclareLocal <int>();
var length = KnownMetadata.Properties.String_Length;
writer.LoadLocal(local);
writer.GetPropertyValue(length);
writer.SetLocal(lengthValue);
var minValue = attribute.Minimum;
writer.LoadLocal(lengthValue);
writer.LoadInt32((int)minValue);
var longerThanMinBlock = writer.IfLessThan();
var tooShortMessage = CommonResults.StringPropertyIsTooShort.WithValues(property.ReflectedType.Name, property.Name, minValue);
WriteFailureResult(writer, ValidationKind.StringLength, tooShortMessage);
writer.Return();
writer.MarkLabel(longerThanMinBlock);
var maxValue = attribute.Maximum;
//The maximum value might not be set, if so then just ignore it
if (maxValue > 0)
{
writer.LoadLocal(lengthValue);
writer.LoadInt32((int)maxValue);
var shorterThanMaxBlock = writer.IfGreaterThan();
var tooLongMessage = CommonResults.StringPropertyIsTooLong.WithValues(property.ReflectedType.Name, property.Name, maxValue);
WriteFailureResult(writer, ValidationKind.StringLength, tooLongMessage);
writer.Return();
writer.MarkLabel(shorterThanMaxBlock);
}
}
else
{
WriteNotApplicableResult(writer, ValidationKind.StringLength);
writer.Return();
}
}
private void WriteIntegerRange(ILWriter writer, PropertyInfo property, IntegerRangeAttribute integerRangeAttribute)
{
var validationKind = ValidationKind.IntegerRange;
var signedSet = new HashSet <Type>()
{
typeof(sbyte),
typeof(short),
typeof(int),
typeof(long)
};
var unsignedSet = new HashSet <Type>()
{
typeof(byte),
typeof(ushort),
typeof(uint),
typeof(ulong)
};
LocalBuilder local;
if (signedSet.Contains(property.PropertyType))
{
local = writer.DeclareLocal <long>();
}
else if (unsignedSet.Contains(property.PropertyType))
{
local = writer.DeclareLocal <ulong>();
}
else
{
WriteNotApplicableResult(writer, validationKind);
writer.Return();
return;
}
writer.LoadFirstParameter();
writer.GetPropertyValue(property);
writer.Cast(property.PropertyType, local.LocalType);
writer.SetLocal(local);
if (integerRangeAttribute.HasMinimum && integerRangeAttribute.HasMaximum)
{
if (integerRangeAttribute.Minimum > integerRangeAttribute.Maximum)
{
var message = CommonErrors.IntegerRangeValidationHasMinGreaterThanMax.WithValues(property.ReflectedType.Name, property.Name);
throw new IncorrectValidationAttributeException(typeof(IntegerRangeAttribute), message);
}
}
if (integerRangeAttribute.HasMinimum)
{
writer.LoadLocal(local);
writer.LoadInt64(integerRangeAttribute.Minimum);
var isGreaterThanOrEqual = writer.IfLessThan();
WriteFailureResult(writer, validationKind, CommonResults.IntegerPropertyIsTooLow.WithValues(property.ReflectedType.Name, property.Name, integerRangeAttribute.Minimum));
writer.Return();
writer.MarkLabel(isGreaterThanOrEqual);
}
if (integerRangeAttribute.HasMaximum)
{
writer.LoadLocal(local);
writer.LoadInt64(integerRangeAttribute.Maximum);
var isLessThanOrEqual = writer.IfGreaterThan();
WriteFailureResult(writer, validationKind, CommonResults.IntegerPropertyIsTooHigh.WithValues(property.ReflectedType.Name, property.Name, integerRangeAttribute.Maximum));
writer.Return();
writer.MarkLabel(isLessThanOrEqual);
}
}