internal static void EnsureValid(SchemaScope scope, JSchema schema, object value)
{
if (schema.Valid != null && !schema.Valid.Value)
{
scope.RaiseError($"Schema always fails validation.", ErrorType.Valid, schema, value, null);
}
}
internal static bool TestType <T>(SchemaScope scope, JSchema currentSchema, JSchemaType currentType, T value)
{
if (!JSchemaTypeHelpers.HasFlag(currentSchema.Type, currentType))
{
scope.RaiseError($"Invalid type. Expected {currentSchema.Type.Value.GetDisplayText()} but got {currentType.GetDisplayText()}.", ErrorType.Type, currentSchema, value, null);
return(false);
}
return(true);
}
internal static bool ValidateString(SchemaScope scope, JSchema schema, string value)
{
if (!TestType(scope, schema, JSchemaType.String, value))
{
return(false);
}
if (schema.MaximumLength != null || schema.MinimumLength != null)
{
// want to test the character length and ignore unicode surrogates
StringInfo stringInfo = new StringInfo(value);
int textLength = stringInfo.LengthInTextElements;
if (schema.MaximumLength != null && textLength > schema.MaximumLength)
{
scope.RaiseError($"String '{value}' exceeds maximum length of {schema.MaximumLength}.", ErrorType.MaximumLength, schema, value, null);
}
if (schema.MinimumLength != null && textLength < schema.MinimumLength)
{
scope.RaiseError($"String '{value}' is less than minimum length of {schema.MinimumLength}.", ErrorType.MinimumLength, schema, value, null);
}
}
if (schema.Pattern != null)
{
if (schema.TryGetPatternRegex(
#if !(NET35 || NET40)
scope.Context.Validator.RegexMatchTimeout,
#endif
out Regex regex,
out string errorMessage))
{
if (!RegexHelpers.IsMatch(regex, schema.Pattern, value))
{
scope.RaiseError($"String '{value}' does not match regex pattern '{schema.Pattern}'.", ErrorType.Pattern, schema, value, null);
}
}
else
{
scope.RaiseError($"Could not validate string with regex pattern '{schema.Pattern}'. There was an error parsing the regex: {errorMessage}", ErrorType.Pattern, schema, value, null);
}
}
internal static void EnsureValid(SchemaScope scope, JSchema schema, object value)
{
if (schema.Reference != null)
{
throw new JSchemaException("Schema has unresolved reference '{0}'. All references must be resolved before a schema can be validated.".FormatWith(CultureInfo.InvariantCulture, schema.Reference.OriginalString));
}
if (schema.Valid != null && !schema.Valid.Value)
{
scope.RaiseError($"Schema always fails validation.", ErrorType.Valid, schema, value, null);
}
}