/// <summary>
/// Render field-criteria such as max length and patterns.
/// </summary>
/// <param name="restrictions">XSD restriction object to receive the facets.</param>
/// <param name="fieldEntity">The field being described.</param>
/// <param name="fieldTypeAlias">The XSD type string for the field type. E.g. 'string'.</param>
private void AddFieldRestrictions(XmlSchemaSimpleTypeRestriction restrictions, Entity fieldEntity, string fieldTypeAlias)
{
switch (fieldTypeAlias)
{
// Int constraints
case "intField":
int?minValue = _schemaManager.GetIntFieldValue(fieldEntity, Aliases2.MinInt);
if (minValue != null)
{
var minFacet = new XmlSchemaMinInclusiveFacet()
{
Value = minValue.ToString()
};
restrictions.Facets.Add(minFacet);
}
int?maxValue = _schemaManager.GetIntFieldValue(fieldEntity, Aliases2.MaxInt);
if (maxValue != null)
{
var maxFacet = new XmlSchemaMaxInclusiveFacet()
{
Value = maxValue.ToString()
};
restrictions.Facets.Add(maxFacet);
}
break;
// String constraints
case "stringField":
int?minLength = _schemaManager.GetIntFieldValue(fieldEntity, Aliases2.MinLength);
if (minLength != null)
{
var minFacet = new XmlSchemaMinLengthFacet()
{
Value = minLength.ToString()
};
restrictions.Facets.Add(minFacet);
}
int?maxLength = _schemaManager.GetIntFieldValue(fieldEntity, Aliases2.MaxLength);
if (maxLength != null)
{
var maxFacet = new XmlSchemaMaxLengthFacet()
{
Value = maxLength.ToString()
};
restrictions.Facets.Add(maxFacet);
}
var stringPattern = _schemaManager.GetRelationshipsFromEntity(fieldEntity, A(Aliases2.Pattern)).FirstOrDefault();
if (stringPattern != null)
{
string sRegex = _schemaManager.GetStringFieldValue(stringPattern, Aliases2.Regex);
if (sRegex != null)
{
var regexFacet = new XmlSchemaPatternFacet()
{
Value = sRegex
};
restrictions.Facets.Add(regexFacet);
}
}
break;
// String constraints
case "aliasField":
// optional namespace prefix, followed by lower-case alpha, alphanumeric
string aliasRegex = @"([_a-zA-Z][_a-zA-Z0-9]*\:)?[_a-zA-Z][_a-zA-Z0-9]{0,99}";
var aliasRegexFacet = new XmlSchemaPatternFacet()
{
Value = aliasRegex
};
restrictions.Facets.Add(aliasRegexFacet);
break;
}
}