private static bool ProcessNonFixedLengthTest(StructureSegmentTest test, string value, ref int pos)
{
for (int occurrence = 0; occurrence < test.Occurrences; occurrence++)
{
if (pos >= value.Length)
{
return(true);
}
char c = value[pos];
if (!test.Test(c, pos))
{
return(false);
}
pos++;
}
return(true);
}
private bool ValidateNonFixedLength(string iban)
{
int pos = 0;
int segmentIndex = 0;
for (; segmentIndex < _segmentTests.Count; segmentIndex++)
{
StructureSegmentTest expectedStructureSegment = _segmentTests[segmentIndex];
if (expectedStructureSegment.IsFixedLength)
{
if (!ProcessFixedLengthTest(expectedStructureSegment, iban, ref pos))
{
return(false);
}
}
else
{
ProcessNonFixedLengthTest(expectedStructureSegment, iban, ref pos);
}
}
return(iban.Length == pos && segmentIndex == _segmentTests.Count);
}
private bool ValidateFixedLength(string iban)
{
int pos = 0;
int segmentIndex = 0;
// ReSharper disable once ForCanBeConvertedToForeach - justification : performance critical
for (; segmentIndex < _segmentTests.Count; segmentIndex++)
{
StructureSegmentTest expectedStructureSegment = _segmentTests[segmentIndex];
for (int occurrence = 0; occurrence < expectedStructureSegment.Occurrences; occurrence++)
{
char c = iban[pos];
if (!expectedStructureSegment.Test(c, pos))
{
return(false);
}
pos++;
}
}
return(iban.Length == pos && segmentIndex == _segmentTests.Count);
}