prefix_ void senf::detail::apply_mask(unsigned bits, ForwardIterator b, ForwardIterator e,
Function fn)
{
- for(; b != e; ++b) {
- boost::uint8_t mask (0);
- if (bits > 8) {
- mask = 0xFFu;
- bits -= 8;
- } else if (bits > 0) {
- mask = ~ low_bits_mask(8-bits);
- bits = 0;
- }
- fn(*b,mask);
- }
+ for(; bits>8 && b != e; bits -= 8, ++b)
+ fn(*b, boost::lambda::make_const(0xFFu));
+ if (bits > 0 && b != e)
+ fn( *(b++), boost::lambda::make_const(~ low_bits_mask(8-bits)));
+ for(; b != e; ++b)
+ fn(*b, boost::lambda::make_const(0u));
}
template <class ForwardIterator1, class ForwardIterator2, class Function>
ForwardIterator1 e1, ForwardIterator2 b2,
Function fn)
{
- for(; b1 != e1; ++b1, ++b2) {
- boost::uint8_t mask (0);
- if (bits > 8) {
- mask = 0xFFu;
- bits -= 8;
- } else if (bits > 0) {
- mask = ~ low_bits_mask(8-bits);
- bits = 0;
- }
- if (fn(*b1,*b2,mask))
+ for(; bits>8 && b1 != e1; bits -= 8, ++b1, ++b2)
+ if (fn(*b1, *b2, boost::lambda::make_const(0xFFu)))
+ return b1;
+ if (bits > 0 && b1 != e1)
+ if (fn( *(b1++), *(b2++), boost::lambda::make_const(~ low_bits_mask(8-bits))))
+ return b1;
+ for(; b1 != e1; ++b1, ++b2)
+ if (fn(*b1, *b2, boost::lambda::make_const(0u)))
return b1;
- }
return e1;
}