int unwrapenum(const VALUE &arg, const std::string& name)
{
enumregistertype::iterator it = enumregister.find(name);
if(it != enumregister.end())
{
enumtype* etype = it->second;
if(NIL_P(arg))
return etype->defaults;
else if(RB_SYMBOL_P(arg))
{
ID id(RB_SYM2ID(arg));
for(enumtype::value_type::iterator it2 = etype->values.begin();
it2 != etype->values.end();
++it2)
{
if(it2->second == id)
return it2->first;
}
rb_raise(rb_eTypeError,"%s is not a %s-Enum.",rb_id2name(id),etype->name.c_str());
}else if(rb_obj_is_kind_of(arg,rb_cArray) && etype->allow_array )
{
int result = 0;
size_t count = RARRAY_LEN(arg);
for(size_t i = 0; i < count; ++i)
result = result | unwrapenum(RARRAY_AREF(arg,i),name);
}else
return RB_NUM2INT(arg);
}
return 0;
}
int unwrap_iconflag(const VALUE &val,int mask)
{
int result = unwrapenum(val,"icon_flag");
if((result & mask) != result)
rb_raise(rb_eTypeError,"%" PRIsVALUE " is not a in %d mask", RB_OBJ_STRING(val), mask);
return result;
}
T unwrapenum(const VALUE &arg){
return (T)unwrapenum(arg,typeid(T).name());
}
int unwrap_buttonflag(const VALUE& val)
{
return unwrapenum(val,"button_flag");
}
