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/*
* Copyright (c), Zeriph Enterprises
* All rights reserved.
*
* Contributor(s):
* Zechariah Perez, omni (at) zeriph (dot) com
*
* THIS SOFTWARE IS PROVIDED BY ZERIPH AND CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL ZERIPH AND CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#if !defined(OMNI_HELPER_HPP)
#define OMNI_HELPER_HPP 1
// macro helper functions
// stringify a macro: e.g. OMNI_DEF2STR(X) prints "X"
#define OMNI_DEF2STR_FW(...) # __VA_ARGS__
#define OMNI_DEF2STR(...) OMNI_DEF2STR_FW( __VA_ARGS__ )
#define OMNI_DEFCONCAT_FW(A, B) A ## B
#define OMNI_DEFCONCAT(A, B) OMNI_DEFCONCAT_FW(A, B)
#define OMNI_BOOL2STR(bval) ((bval) ? "true" : "false")
#define OMNI_BOOL2WSTR(bval) ((bval) ? L"true" : L"false")
#define OMNI_B2S(bval) OMNI_BOOL2STR(bval)
#define OMNI_B2WS(bval) OMNI_BOOL2WSTR(bval)
#define OMNI_UNUSED(val) (static_cast<void>(val))
#define OMNI_WSTR(v) L ## v
#define OMNI_DWSTR(v) L # v
#if !defined(OMNI_DATE) && defined(__DATE__)
#define OMNI_DATE __DATE__
#endif
#if !defined(OMNI_TIME) && defined(__TIME__)
#define OMNI_TIME __TIME__
#endif
#if !defined(OMNI_DATE)
#define OMNI_DATE Jan 1 1970
#endif
#if !defined(OMNI_TIME)
#define OMNI_TIME 00:00:00
#endif
#define OMNI_BIND_EX(DelegateType, Class, Function, Obj) DelegateType::bind<Class, &Class::Function>(obj)
#define OMNI_BIND_CONST_EX(DelegateType, Class, Function, Obj) DelegateType::bind_const<Class, &Class::Function>(obj)
#define OMNI_S2E_FW(v) if (val == OMNI_DEF2STR(v)) { out = v; return true; }
#define OMNI_E2SS_FW(v) case v: ss << OMNI_DEF2STR(v); break
#define OMNI_I2EV_FW(v) (val == v)
#define OMNI_MAX_PATH_FW 32767 // 32,767 - 1 for \0
// #define OMNI_E2S_FW(v) case v: return OMNI_DEF2STR(v)
// #define OMNI_E2WS_FW(v) case v: return OMNI_WSTR(v)
// DEV_NOTE: this is here for MS compilers and how they expand macro variables and the __VA_ARGS__
#define OMNI_EXPAND_FW(x) x
#if !defined(OMNI_NO_CAST_HELPERS)
// short hand helpers for casting
#define to_u8(x) reinterpret_cast<uint8_t>((x))
#define to_i8(x) reinterpret_cast<int8_t>((x))
#define to_u16(x) reinterpret_cast<uint16_t>((x))
#define to_i16(x) reinterpret_cast<int16_t>((x))
#define to_u32(x) reinterpret_cast<uint32_t>((x))
#define to_i32(x) reinterpret_cast<int32_t>((x))
#define to_u64(x) reinterpret_cast<uint64_t>((x))
#define to_i64(x) reinterpret_cast<int64_t>((x))
#define to_sz(x) reinterpret_cast<std::size_t>((x))
#define to_ssz(x) reinterpret_cast<ssize_t>((x))
template< typename R, typename T >
inline static R to_t(T& val)
{
return reinterpret_cast<R>(val);
}
template< typename R, typename T >
inline static R to_t(const T& val)
{
return reinterpret_cast<R>(const_cast<T&>(val));
}
template< typename R, typename T >
inline static R* to_t(T* val)
{
return reinterpret_cast<R*>(val);
}
template< typename R, typename T >
inline static R* to_t(const T* val)
{
return reinterpret_cast<R*>(const_cast<T*>(val));
}
#endif
#endif // OMNI_HELPER_HPP