diff --git a/src/contrib/epee/include/misc_language.h b/src/contrib/epee/include/misc_language.h new file mode 100644 index 0000000..d515736 --- /dev/null +++ b/src/contrib/epee/include/misc_language.h @@ -0,0 +1,162 @@ +// Copyright (c) 2006-2013, Andrey N. Sabelnikov, www.sabelnikov.net +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are met: +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above copyright +// notice, this list of conditions and the following disclaimer in the +// documentation and/or other materials provided with the distribution. +// * Neither the name of the Andrey N. Sabelnikov nor the +// names of its contributors may be used to endorse or promote products +// derived from this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 THE COPYRIGHT OWNER 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. +// + + + +#pragma once + +#include +#include +#include +namespace epee +{ +#define STD_TRY_BEGIN() try { + +#define STD_TRY_CATCH(where_, ret_val) \ + } \ + catch (const std::exception &e) \ + { \ + LOG_ERROR("EXCEPTION: " << where_ << ", mes: "<< e.what()); \ + return ret_val; \ + } \ + catch (...) \ + { \ + LOG_ERROR("EXCEPTION: " << where_ ); \ + return ret_val; \ + } + + + +#define AUTO_VAL_INIT(v) boost::value_initialized() + +namespace misc_utils +{ + template + t_type get_max_t_val(t_type t) + { + return (std::numeric_limits::max)(); + } + + + template + t_iterator move_it_forward(t_iterator it, size_t count) + { + while(count--) + it++; + return it; + } + + template + t_iterator move_it_backward(t_iterator it, size_t count) + { + while(count--) + it--; + return it; + } + + + // TEMPLATE STRUCT less + template + struct less_as_pod + : public std::binary_function<_Ty, _Ty, bool> + { // functor for operator< + bool operator()(const _Ty& _Left, const _Ty& _Right) const + { // apply operator< to operands + return memcmp(&_Left, &_Right, sizeof(_Left)) < 0; + } + }; + + template + bool is_less_as_pod(const _Ty& _Left, const _Ty& _Right) + { // apply operator< to operands + return memcmp(&_Left, &_Right, sizeof(_Left)) < 0; + } + + + inline + bool sleep_no_w(long ms ) + { + boost::this_thread::sleep( + boost::get_system_time() + + boost::posix_time::milliseconds( std::max(ms,0) ) ); + + return true; + } + + template + type_vec_type median(std::vector &v) + { + if(v.empty()) + return boost::value_initialized(); + if(v.size() == 1) + return v[0]; + + size_t n = (v.size()) / 2; + std::sort(v.begin(), v.end()); + //nth_element(v.begin(), v.begin()+n-1, v.end()); + if(v.size()%2) + {//1, 3, 5... + return v[n]; + }else + {//2, 4, 6... + return (v[n-1] + v[n])/2; + } + + } + + /************************************************************************/ + /* */ + /************************************************************************/ + + struct call_befor_die_base + { + virtual ~call_befor_die_base(){} + }; + + typedef boost::shared_ptr auto_scope_leave_caller; + + + template + struct call_befor_die: public call_befor_die_base + { + t_scope_leave_handler m_func; + call_befor_die(t_scope_leave_handler f):m_func(f) + {} + ~call_befor_die() + { + m_func(); + } + }; + + template + auto_scope_leave_caller create_scope_leave_handler(t_scope_leave_handler f) + { + auto_scope_leave_caller slc(new call_befor_die(f)); + return slc; + } + +} +}