170 lines
4.0 KiB
C++
170 lines
4.0 KiB
C++
/*
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* This file is a part of EZC -- Easy templating in C++ library
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* and is distributed under the 2-Clause BSD licence.
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* Author: Tomasz Sowa <t.sowa@ttmath.org>
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*/
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/*
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* Copyright (c) 2015-2021, Tomasz Sowa
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef headerfile_ezc_outstreams
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#define headerfile_ezc_outstreams
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#include <string>
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#include <vector>
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#include <map>
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namespace Ezc
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{
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template<class StreamType, bool is_pikotools_stream = false>
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class OutStreams
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{
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public:
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typedef std::map<std::wstring, StreamType*> StreamsMap;
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typedef std::vector<StreamType*> StreamsTab;
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StreamsMap streams_map;
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StreamsTab streams_tab;
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void ResizeTab(size_t len);
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void ClearMap();
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void ClearTab();
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~OutStreams();
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OutStreams();
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OutStreams(const OutStreams & o);
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OutStreams & operator=(const OutStreams & o);
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};
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template<class StreamType, bool is_pikotools_stream>
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OutStreams<StreamType, is_pikotools_stream>::~OutStreams()
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{
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ClearTab();
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}
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template<class StreamType, bool is_pikotools_stream>
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OutStreams<StreamType, is_pikotools_stream>::OutStreams()
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{
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}
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template<class StreamType, bool is_pikotools_stream>
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OutStreams<StreamType, is_pikotools_stream>::OutStreams(const OutStreams<StreamType, is_pikotools_stream> & o)
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{
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// we do not copy streams but creating new ones
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ResizeTab(o.streams_tab.size());
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}
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template<class StreamType, bool is_pikotools_stream>
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OutStreams<StreamType, is_pikotools_stream> & OutStreams<StreamType, is_pikotools_stream>::operator=(const OutStreams<StreamType, is_pikotools_stream> & o)
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{
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// we do not copy streams but creating new ones
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streams_map.clear();
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ResizeTab(o.streams_tab.size());
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return *this;
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}
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template<class StreamType, bool is_pikotools_stream>
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void OutStreams<StreamType, is_pikotools_stream>::ClearTab()
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{
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for(size_t i=0 ; i<streams_tab.size() ; ++i)
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delete streams_tab[i];
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streams_tab.clear();
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streams_map.clear();
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}
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template<class StreamType, bool is_pikotools_stream>
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void OutStreams<StreamType, is_pikotools_stream>::ResizeTab(size_t len)
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{
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if( streams_tab.size() != len )
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{
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if( streams_tab.size() < len )
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{
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size_t i = streams_tab.size();
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streams_tab.resize(len);
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for( ; i<streams_tab.size() ; ++i)
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streams_tab[i] = new StreamType();
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}
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else
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{
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streams_map.clear();
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for(size_t i=len ; i<streams_tab.size() ; ++i)
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delete streams_tab[i];
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streams_tab.resize(len);
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}
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}
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}
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template<class StreamType, bool is_pikotools_stream>
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void OutStreams<StreamType, is_pikotools_stream>::ClearMap()
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{
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typename StreamsMap::iterator i;
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for(i=streams_map.begin() ; i != streams_map.end() ; ++i)
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{
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StreamType & str = *(i->second);
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if constexpr(is_pikotools_stream)
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{
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str.clear();
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}
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else
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{
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str.str(L"");
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}
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}
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streams_map.clear();
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}
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} // namespace
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#endif
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