You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
118 lines
2.9 KiB
118 lines
2.9 KiB
/* |
|
This program is free software: you can redistribute it and/or modify |
|
it under the terms of the GNU General Public License as published by |
|
the Free Software Foundation, either version 3 of the License, or |
|
(at your option) any later version. |
|
|
|
This program is distributed in the hope that it will be useful, |
|
but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|
GNU General Public License for more details. |
|
|
|
You should have received a copy of the GNU General Public License |
|
along with this program. If not, see <http://www.gnu.org/licenses/>. |
|
*/ |
|
|
|
#define DECLARE_TYPESAFE_INDEX(NAME, TYPE) typedef typesafe_index<TYPE, class TAG_##NAME> NAME |
|
|
|
/// This template allows for indexing with compile time check and generating |
|
/// error for using one index variable for another array that is to be indexed |
|
/// with different variable. |
|
/// base_type specifies |
|
/// |
|
/// @param base_type Base integral type |
|
/// |
|
/// @param tag Tag Name to prevent copy from one type to other |
|
/// |
|
template <class base_type, class tag> class typesafe_index |
|
{ |
|
public: |
|
explicit typesafe_index(base_type i = base_type()) : p(i) {} |
|
|
|
void operator=(const base_type& val) |
|
{ |
|
p = val; |
|
} |
|
|
|
constexpr base_type get_int() const |
|
{ |
|
return p; |
|
} |
|
|
|
typesafe_index operator++() |
|
{ |
|
return typesafe_index(++p); |
|
} |
|
|
|
typesafe_index operator++(int) |
|
{ |
|
return typesafe_index(p++); |
|
} |
|
|
|
typesafe_index operator%(const base_type& val) |
|
{ |
|
return typesafe_index(p % val); |
|
} |
|
|
|
bool operator<(const base_type& val) const |
|
{ |
|
return (p<val); |
|
} |
|
|
|
bool operator<=(const base_type& val) const |
|
{ |
|
return (p<=val); |
|
} |
|
|
|
bool operator>=(const base_type& val) const |
|
{ |
|
return (p>=val); |
|
} |
|
|
|
|
|
bool operator>(const base_type& val) const |
|
{ |
|
return (p>val); |
|
} |
|
|
|
bool operator!=(const base_type& val) const |
|
{ |
|
return (p!=val); |
|
} |
|
|
|
bool operator==(const base_type& val) const |
|
{ |
|
return (p==val); |
|
} |
|
|
|
explicit constexpr operator base_type() const |
|
{ |
|
return p; |
|
} |
|
|
|
typesafe_index operator+(const base_type& val) const |
|
{ |
|
return typesafe_index(p+val); |
|
} |
|
private: |
|
base_type p; |
|
}; |
|
|
|
/// This template associates the base_type array with accessor_type(index). |
|
/// So the elements can be accessed using [] only using accessor_type index |
|
/// _priv_instance is kept public for use in Parameter declaration. |
|
/// |
|
template <class base_type, uint32_t num_instances, typename accessor_type> class RestrictIDTypeArray |
|
{ |
|
public: |
|
base_type _priv_instance[num_instances]; |
|
base_type& operator[](const accessor_type& index) |
|
{ |
|
return _priv_instance[index.get_int()]; |
|
} |
|
|
|
constexpr const base_type& operator[](const accessor_type& index) const |
|
{ |
|
return _priv_instance[index.get_int()]; |
|
} |
|
};
|
|
|