const charT*
ctype<charT>::do_scan_not(ctype_base::mask m,
const charT* low, const charT* high) const
{
while (low!= high && do_is(m,*low))
++low;
return low;
}
virtual const Ch* do_is(const Ch* b, const Ch* e, mask* v) const
{
while(b != e)
{
if( -128 <= *b && *b < 0 )
*v = ext_table[static_cast<size_t>(*b*(-1))];
else
do_is(b, b+1, v);
++b;
++v;
}
return b;
}
virtual Ch do_tolower(Ch c) const
{
if(!do_is(upper, c))
return c;
if( 0 <= c && c <= 127 )
{
return std::ctype<Ch>::do_tolower(c);
}
else if( -128 <= c && c < 0 && do_is(upper, c))
{
if( c != -67 && c != -78 && c != -96 && c != -127 )
return c + 32;
else if( c == -127 )
return -125;
else
return c + 1;
}
else
{
return c;
}
}
virtual Ch do_toupper(Ch c) const
{
if(!do_is(lower, c))
return c;
if( 0 <= c && c <= 127 )
{
return std::ctype<Ch>::do_toupper(c);
}
else if( -128 <= c && c < 0 && do_is(lower, c))
{
if( c != -66 && c != -77 && c != -95 && c != -125 )
return c - 32;
else if( c == -125 )
return -127;
else
return c - 1;
}
else
{
return c;
}
}
virtual const Ch* do_scan_not(mask m, const Ch* b, const Ch* e) const
{
while(b != e && do_is(m,*b)) ++b;
return b;
}
