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89 lines
2.6 KiB
C++
89 lines
2.6 KiB
C++
/*
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* helper.hpp
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*
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* Miscellaneous helpful little tidbits...
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*/
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/*
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* Copyright (c) 2015, James Fowler
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files
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* (the "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to permit
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* persons to whom the Software is furnished to do so, subject to the
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* following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#ifndef __HELPER_HPP__
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#define __HELPER_HPP__
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#include <boost/algorithm/string.hpp>
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#include <boost/foreach.hpp>
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#include <boost/lexical_cast.hpp>
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#include <boost/preprocessor/cat.hpp>
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#include <boost/preprocessor/seq.hpp>
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#include <boost/shared_ptr.hpp>
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#include <exception>
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#include <iomanip>
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#include <iostream>
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#include <map>
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#include <string>
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#include <vector>
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// *************************************************************************
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namespace Helper {
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// *************************************************************************
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template <class MAP_T>
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struct _map_keys_out {
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_map_keys_out(const MAP_T &c, const std::string &s) : container(c), sep(s) {
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}
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const MAP_T &container;
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std::string sep;
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};
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template <class STREAM_T, class MAP_T>
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STREAM_T &operator<<(STREAM_T &o, const _map_keys_out<MAP_T> &_mko) {
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bool first = true;
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for (auto i = _mko.container.begin(); i != _mko.container.end(); i++) {
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if (first) {
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first = false;
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o << i->first;
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} else {
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o << _mko.sep << i->first;
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}
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}
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return o;
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};
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template <class MAP_T>
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_map_keys_out<MAP_T> map_keys_out(const MAP_T &c,
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const std::string &sep = " ") {
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return _map_keys_out<MAP_T>(c, sep);
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};
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// *************************************************************************
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}; // namespace Helper
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// *************************************************************************
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#endif // __HELPER_HPP__
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