164 lines
4.1 KiB
C++
164 lines
4.1 KiB
C++
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// Boost.Bimap
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//
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// Copyright (c) 2006-2007 Matias Capeletto
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//
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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// VC++ 8.0 warns on usage of certain Standard Library and API functions that
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// can be cause buffer overruns or other possible security issues if misused.
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// See http://msdn.microsoft.com/msdnmag/issues/05/05/SafeCandC/default.aspx
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// But the wording of the warning is misleading and unsettling, there are no
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// portable alternative functions, and VC++ 8.0's own libraries use the
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// functions in question. So turn off the warnings.
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#define _CRT_SECURE_NO_DEPRECATE
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#define _SCL_SECURE_NO_DEPRECATE
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// Boost.Bimap Example
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//-----------------------------------------------------------------------------
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#include <boost/config.hpp>
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#include <string>
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#include <iostream>
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#include <boost/bimap/bimap.hpp>
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#include <boost/bimap/multiset_of.hpp>
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using namespace boost::bimaps;
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void tutorial_about_info_hook()
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{
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//[ code_tutorial_info_hook_first
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typedef bimap<
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multiset_of< std::string >, // author
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set_of< std::string >, // title
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with_info< std::string > // abstract
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> bm_type;
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typedef bm_type::value_type book;
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bm_type bm;
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bm.insert(
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book( "Bjarne Stroustrup" , "The C++ Programming Language",
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"For C++ old-timers, the first edition of this book is"
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"the one that started it all—the font of our knowledge." )
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);
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// Print the author of the bible
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std::cout << bm.right.at("The C++ Programming Language");
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// Print the abstract of this book
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bm_type::left_iterator i = bm.left.find("Bjarne Stroustrup");
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std::cout << i->info;
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//]
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// Contrary to the two key types, the information will be mutable
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// using iterators.
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//[ code_tutorial_info_hook_mutable
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i->info += "More details about this book";
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//]
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// A new function is included in unique map views: info_at(key), that
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// mimics the standard at(key) function but returned the associated
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// information instead of the data.
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//[ code_tutorial_info_hook_info_at
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// Print the new abstract
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std::cout << bm.right.info_at("The C++ Programming Language");
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//]
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}
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struct author {};
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struct title {};
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struct abstract {};
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void tutorial_about_tagged_info_hook()
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{
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//[ code_tutorial_info_hook_tagged_info
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typedef bimap<
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multiset_of< tagged< std::string, author > >,
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set_of< tagged< std::string, title > >,
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with_info< tagged< std::string, abstract > >
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> bm_type;
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typedef bm_type::value_type book;
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bm_type bm;
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bm.insert(
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book( "Bjarne Stroustrup" , "The C++ Programming Language",
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"For C++ old-timers, the first edition of this book is"
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"the one that started it all—the font of our knowledge." )
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);
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// Print the author of the bible
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std::cout << bm.by<title>().at("The C++ Programming Language");
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// Print the abstract of this book
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bm_type::map_by<author>::iterator i = bm.by<author>().find("Bjarne Stroustrup");
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std::cout << i->get<abstract>();
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// Contrary to the two key types, the information will be mutable
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// using iterators.
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i->get<abstract>() += "More details about this book";
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// Print the new abstract
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std::cout << bm.by<title>().info_at("The C++ Programming Language");
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//]
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}
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void bimap_without_an_info_hook()
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{
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//[ code_tutorial_info_hook_nothing
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typedef bimap<
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multiset_of< std::string >, // author
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set_of< std::string > // title
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> bm_type;
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typedef bm_type::value_type book;
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bm_type bm;
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bm.insert( book( "Bjarne Stroustrup" , "The C++ Programming Language" ) );
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bm.insert( book( "Scott Meyers" , "Effective C++" ) );
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bm.insert( book( "Andrei Alexandrescu" , "Modern C++ Design" ) );
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// Print the author of Modern C++
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std::cout << bm.right.at( "Modern C++ Design" );
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//]
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}
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int main()
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{
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tutorial_about_info_hook();
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tutorial_about_tagged_info_hook();
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bimap_without_an_info_hook();
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return 0;
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}
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