config::attribute_value &config::attribute_value::operator=(const std::string &v)
{
// Handle some special strings.
if (v.empty()) {
value_ = v;
return *this;
}
if ( v == s_yes ) {
value_ = yes_no(true);
return *this;
}
if ( v == s_no ) {
value_ = yes_no(false);
return *this;
}
if ( v == s_true ) {
value_ = true_false(true);
return *this;
}
if ( v == s_false ) {
value_ = true_false(false);
return *this;
}
// Attempt to convert to a number.
char *eptr;
double d = strtod(v.c_str(), &eptr);
if ( *eptr == '\0' ) {
// Possibly a number. See what type it should be stored in.
// (All conversions will be from the string since the largest integer
// type could have more precision than a double.)
if ( d > 0.0 ) {
// The largest type for positive integers is unsigned long long.
unsigned long long ull = 0;
if ( from_string_verify<unsigned long long>(v, ull) )
return *this = ull;
}
else {
// The largest (variant) type for negative integers is int.
int i = 0;
if ( from_string_verify<int>(v, i) )
return *this = i;
}
// This does not look like an integer, so it should be a double.
// However, make sure it can convert back to the same string (in
// case this is a string that just looks like a numeric value).
std::ostringstream tester;
tester << d;
if ( tester.str() == v ) {
value_ = d;
return *this;
}
}
// No conversion possible. Store the string.
value_ = v;
return *this;
}
void do_dflag( char_data* ch, char* argument )
{
wizard_data* imm = (wizard_data*) ch;
exit_data* exit;
exit_data* back;
int flags;
if( !get_flags( ch, argument, &flags, "1", "dflag" ) )
return;
if( ( exit = imm->exit_edit ) == NULL ) {
send( ch, "Use dedit to specify direction.\n\r" );
return;
}
if( *argument == '\0' ) {
display_flags( "Door Flags", &dflag_name[0], &dflag_name[1],
&exit->exit_info, MAX_DFLAG, ch );
return;
}
if( !can_edit( ch, ch->in_room ) )
return;
ch->in_room->area->modified = TRUE;
for( int i = 0; i < MAX_DFLAG; i++ )
if( fmatches( argument, dflag_name[i] ) ) {
switch_bit( &exit->exit_info, i );
if( ( back = reverse( exit ) ) != NULL
&& !is_set( &flags, 0 ) )
assign_bit( &back->exit_info, i, is_set( &exit->exit_info,i ) );
send( ch, "%s set %s on %sthe %s exit.\n\r",
dflag_name[i], true_false( &exit->exit_info, i ),
back != NULL && !is_set( &flags, 0 ) ? "both sides of " : "",
dir_table[ exit->direction ].name );
return;
}
send( ch, "Unknown flag - see dflag with no arguments for list.\n\r" );
}
