2010-11-22 02:23:32 +01:00
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/*
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* This file is a part of EZC -- Easy templating in C++
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* and is distributed under the (new) 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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2011-01-15 00:59:30 +01:00
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* Copyright (c) 2007-2011, Tomasz Sowa
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2010-11-22 02:23:32 +01:00
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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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* * 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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* * 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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* * Neither the name Tomasz Sowa nor the names of contributors to this
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* project may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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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 OWNER 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
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef headerfile_ezc_functions
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#define headerfile_ezc_functions
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#include <map>
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#include "funinfo.h"
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2010-11-25 23:39:58 +01:00
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#include "stringconv.h"
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2010-11-22 02:23:32 +01:00
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namespace Ezc
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{
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// functions or variables
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template<class StreamType>
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class Functions
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{
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public:
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typedef void (*UserFunction)(FunInfo<StreamType> &);
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enum Type { function, variable };
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struct Function
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{
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2011-01-26 13:42:49 +01:00
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Function();
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2010-11-22 02:23:32 +01:00
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2011-01-26 13:42:49 +01:00
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Type type;
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2010-11-22 02:23:32 +01:00
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UserFunction user_function; // used when type is 'function'
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std::wstring variable; // used when type is 'variable'
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};
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void Insert(const char * key, UserFunction ufunction); // inserting a function
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void Insert(const char * key, const char * var); // inserting a variable
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void Insert(const char * key, const std::string & var); // inserting a variable
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void Insert(const std::string & key, UserFunction ufunction); // inserting a function
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void Insert(const std::string & key, const char * var); // inserting a variable
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void Insert(const std::string & key, const std::string & var); // inserting a variable
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void Insert(const std::wstring & key, UserFunction ufunction);
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void Insert(const std::wstring & key, const wchar_t * var);
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void Insert(const std::wstring & key, const std::wstring & var);
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bool Find(const std::string & key, Function ** fun);
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bool Find(const std::wstring & key, Function ** fun);
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void Clear();
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2010-11-25 23:39:58 +01:00
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size_t Size() const;
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2010-11-22 02:23:32 +01:00
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private:
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typedef std::map<std::wstring, Function> FunctionsTable;
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FunctionsTable functions_tab;
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std::wstring temp_key;
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};
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template<class StreamType>
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Functions<StreamType>::Function::Function()
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{
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type = Functions::variable;
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user_function = 0;
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}
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template<class StreamType>
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void Functions<StreamType>::Insert(const char * key, UserFunction ufunction)
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{
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Function f;
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f.type = function;
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f.user_function = ufunction;
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AssignString(key, temp_key);
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functions_tab[temp_key] = f;
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}
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template<class StreamType>
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void Functions<StreamType>::Insert(const char * key, const char * var)
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{
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Function f;
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f.type = variable;
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AssignString(var, f.variable);
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AssignString(key, temp_key);
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functions_tab[temp_key] = f;
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}
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template<class StreamType>
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void Functions<StreamType>::Insert(const char * key, const std::string & var)
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{
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Function f;
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f.type = variable;
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AssignString(var, f.variable);
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AssignString(key, temp_key);
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functions_tab[temp_key] = f;
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}
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template<class StreamType>
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void Functions<StreamType>::Insert(const std::string & key, UserFunction ufunction)
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{
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Insert(key.c_str(), ufunction);
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}
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template<class StreamType>
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void Functions<StreamType>::Insert(const std::string & key, const char * var)
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{
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Insert(key.c_str(), var);
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}
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template<class StreamType>
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void Functions<StreamType>::Insert(const std::string & key, const std::string & var)
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{
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Insert(key.c_str(), var);
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}
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template<class StreamType>
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void Functions<StreamType>::Insert(const std::wstring & key, UserFunction ufunction)
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{
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Function f;
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f.type = function;
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f.user_function = ufunction;
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functions_tab[key] = f;
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}
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template<class StreamType>
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void Functions<StreamType>::Insert(const std::wstring & key, const wchar_t * var)
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{
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Function f;
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f.type = variable;
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f.variable = var;
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functions_tab[key] = f;
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}
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template<class StreamType>
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void Functions<StreamType>::Insert(const std::wstring & key, const std::wstring & var)
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{
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Function f;
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f.type = variable;
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f.variable = var;
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functions_tab[key] = f;
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}
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template<class StreamType>
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bool Functions<StreamType>::Find(const std::string & key, Function ** fun)
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{
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AssignString(key, temp_key);
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return Find(temp_key, fun);
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}
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template<class StreamType>
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bool Functions<StreamType>::Find(const std::wstring & key, Function ** fun)
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{
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typename FunctionsTable::iterator i = functions_tab.find( key );
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if( i == functions_tab.end() )
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return false;
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*fun = &(i->second);
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return true;
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}
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template<class StreamType>
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void Functions<StreamType>::Clear()
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{
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functions_tab.clear();
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}
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2010-11-25 23:39:58 +01:00
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2010-11-23 22:59:52 +01:00
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template<class StreamType>
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2010-11-25 23:39:58 +01:00
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size_t Functions<StreamType>::Size() const
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2010-11-23 22:59:52 +01:00
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{
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return functions_tab.size();
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}
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2010-11-22 02:23:32 +01:00
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2010-11-25 23:39:58 +01:00
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2010-11-22 02:23:32 +01:00
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} // namespace Ezc
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#endif
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