summaryrefslogtreecommitdiff
path: root/src/ints/wrap.hpp
diff options
context:
space:
mode:
authorBen Longbons <b.r.longbons@gmail.com>2014-04-22 11:46:23 -0700
committerBen Longbons <b.r.longbons@gmail.com>2014-04-22 13:20:52 -0700
commitad049a15b43b7ddba3fe7d0a898652fc8022629d (patch)
tree142624e70ead3e89a8da6d56de41651f171524d0 /src/ints/wrap.hpp
parentceeda2e337077b2edaf1af09cc4df2c30e8205a1 (diff)
downloadtmwa-ad049a15b43b7ddba3fe7d0a898652fc8022629d.tar.gz
tmwa-ad049a15b43b7ddba3fe7d0a898652fc8022629d.tar.bz2
tmwa-ad049a15b43b7ddba3fe7d0a898652fc8022629d.tar.xz
tmwa-ad049a15b43b7ddba3fe7d0a898652fc8022629d.zip
Use strict ID types
Possibly some missing for the far side of the network. AccountId and BlockId are still terribly entangled.
Diffstat (limited to 'src/ints/wrap.hpp')
-rw-r--r--src/ints/wrap.hpp109
1 files changed, 109 insertions, 0 deletions
diff --git a/src/ints/wrap.hpp b/src/ints/wrap.hpp
new file mode 100644
index 0000000..b25a1ad
--- /dev/null
+++ b/src/ints/wrap.hpp
@@ -0,0 +1,109 @@
+#ifndef TMWA_INTS_WRAP_HPP
+#define TMWA_INTS_WRAP_HPP
+// wrap.hpp - basic integer wrapper classes
+//
+// Copyright © 2014 Ben Longbons <b.r.longbons@gmail.com>
+//
+// This file is part of The Mana World (Athena server)
+//
+// 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/>.
+
+# include "fwd.hpp"
+
+# include <cstdint>
+
+# include <type_traits>
+
+namespace ints
+{
+ namespace wrapped
+ {
+ template<class R>
+ struct Wrapped
+ {
+ typedef R wrapped_type;
+ R _value;
+ protected:
+ constexpr
+ Wrapped(uint32_t v=0)
+ : _value(v)
+ {}
+ public:
+ explicit
+ operator bool () const { return _value; }
+ bool operator !() const { return !_value; }
+ };
+
+ template<class W>
+ bool operator == (W l, W r)
+ {
+ return l._value == r._value;
+ }
+ template<class W>
+ bool operator != (W l, W r)
+ {
+ return l._value != r._value;
+ }
+ template<class W>
+ bool operator < (W l, W r)
+ {
+ return l._value < r._value;
+ }
+
+ template<class T>
+ constexpr
+ typename T::wrapped_type unwrap(typename std::enable_if<true, T>::type w)
+ {
+ return w._value;
+ }
+ template<class T>
+ constexpr
+ T wrap(typename T::wrapped_type v)
+ {
+ struct Sub : T
+ {
+ constexpr
+ Sub(typename T::wrapped_type v)
+ : T(v)
+ {}
+ };
+ return Sub(v);
+ }
+
+ template<class W>
+ constexpr
+ W next(W w)
+ {
+ return wrap<W>(unwrap<W>(w) + 1);
+ }
+ template<class W>
+ constexpr
+ W prev(W w)
+ {
+ return wrap<W>(unwrap<W>(w) - 1);
+ }
+
+ template<class R>
+ R convert_for_printf(Wrapped<R> w)
+ {
+ return w._value;
+ }
+ } // namespace wrapped
+} // namespace ints
+
+using ints::wrapped::Wrapped;
+using ints::wrapped::unwrap;
+using ints::wrapped::wrap;
+
+#endif // TMWA_INTS_WRAP_HPP