117 lines
No EOL
3 KiB
C++
117 lines
No EOL
3 KiB
C++
//
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// Yet Another POD-Bot, based on PODBot by Markus Klinge ("CountFloyd").
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// Copyright (c) Yet Another POD-Bot Contributors <yapb@entix.io>.
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//
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// This software is licensed under the MIT license.
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// Additional exceptions apply. For full license details, see LICENSE.txt
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//
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#pragma once
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// our global namaespace
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#define CR_NAMESPACE_BEGIN namespace cr {
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#define CR_NAMESPACE_END }
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#include <stdio.h>
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#include <stdlib.h>
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#include <stddef.h>
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#include <limits.h>
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CR_NAMESPACE_BEGIN
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//
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// some useful type definitions
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//
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namespace types {
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using int8 = signed char;
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using int16 = signed short;
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using int32 = signed int;
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using uint8 = unsigned char;
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using uint16 = unsigned short;
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using uint32 = unsigned int;
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using uint64 = unsigned long long;
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}
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// make types available for our own use
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using namespace cr::types;
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//
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// global helper stuff
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//
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template <typename T, size_t N> constexpr size_t bufsize (const T (&)[N]) {
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return N - 1;
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}
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template <typename T> constexpr T abs (const T &a) {
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return a > 0 ? a : -a;
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}
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template <typename T> constexpr T bit (const T &a) {
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return static_cast <T> (1ULL << a);
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}
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template <typename T> constexpr T min (const T &a, const T &b) {
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return a < b ? a : b;
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}
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template <typename T> constexpr T max (const T &a, const T &b) {
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return a > b ? a : b;
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}
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template <typename T> constexpr T square (const T &value) {
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return value * value;
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}
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template <typename T> constexpr T clamp (const T &x, const T &a, const T &b) {
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return min (max (x, a), b);
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}
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template <typename T> const T &fix (const T &type) {
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return type;
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}
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//
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// base classes
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//
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// simple non-copying base class
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class DenyCopying {
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protected:
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explicit DenyCopying () = default;
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~DenyCopying () = default;
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public:
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DenyCopying (const DenyCopying &) = delete;
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DenyCopying &operator = (const DenyCopying &) = delete;
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};
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// singleton for objects
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template <typename T> struct Singleton : private DenyCopying {
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public:
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static inline T &get () {
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static T ref_;
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return ref_;
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};
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};
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// simple scoped enum, instaed of enum class
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#define CR_DECLARE_SCOPED_ENUM_TYPE(enumName, enumType, ...) \
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CR_NAMESPACE_BEGIN \
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namespace enums { \
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struct _##enumName : protected DenyCopying { \
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enum Type : enumType { \
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__VA_ARGS__ \
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}; \
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}; \
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} \
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CR_NAMESPACE_END \
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using enumName = ::cr::enums::_##enumName::Type; \
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// same as above, but with int32 type
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#define CR_DECLARE_SCOPED_ENUM(enumName, ...) \
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CR_DECLARE_SCOPED_ENUM_TYPE(enumName, int32, __VA_ARGS__) \
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CR_NAMESPACE_END
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// platform-dependant-stuff
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#include <crlib/cr-platform.h> |