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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* Copyright (c) 2020 Kohei Yoshida
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
************************************************************************/
#include <mdds/trie_map.hpp>
#include <iostream>
using std::cout;
using std::endl;
int main()
{
using trie_map_type = mdds::trie_map<mdds::trie::std_string_traits, int>;
// Cities in North Carolina and their populations in 2013.
trie_map_type nc_cities;
// Insert key-value pairs.
nc_cities.insert("Charlotte", 792862);
nc_cities.insert("Raleigh", 431746);
nc_cities.insert("Greensboro", 279639);
nc_cities.insert("Durham", 245475);
nc_cities.insert("Winston-Salem", 236441);
nc_cities.insert("Fayetteville", 204408);
nc_cities.insert("Cary", 151088);
nc_cities.insert("Wilmington", 112067);
nc_cities.insert("High Point", 107741);
nc_cities.insert("Greenville", 89130);
nc_cities.insert("Asheville", 87236);
nc_cities.insert("Concord", 83506);
nc_cities.insert("Gastonia", 73209);
nc_cities.insert("Jacksonville", 69079);
nc_cities.insert("Chapel Hill", 59635);
nc_cities.insert("Rocky Mount", 56954);
nc_cities.insert("Burlington", 51510);
nc_cities.insert("Huntersville", 50458);
nc_cities.insert("Wilson", 49628);
nc_cities.insert("Kannapolis", 44359);
nc_cities.insert("Apex", 42214);
nc_cities.insert("Hickory", 40361);
nc_cities.insert("Goldsboro", 36306);
cout << "Cities that start with 'Cha' and their populations:" << endl;
auto results = nc_cities.prefix_search("Cha");
for (const auto& kv : results)
{
cout << " " << kv.first << ": " << kv.second << endl;
}
cout << "Cities that start with 'W' and their populations:" << endl;
results = nc_cities.prefix_search("W");
for (const auto& kv : results)
{
cout << " " << kv.first << ": " << kv.second << endl;
}
// Create a compressed version of the container. It works nearly identically.
auto packed = nc_cities.pack();
cout << "Cities that start with 'C' and their populations:" << endl;
auto packed_results = packed.prefix_search("C");
for (const auto& kv : packed_results)
{
cout << " " << kv.first << ": " << kv.second << endl;
}
// Individual search.
auto it = packed.find("Wilmington");
cout << "Population of Wilmington: " << it->second << endl;
// You get an end position iterator when the container doesn't have the
// specified key.
it = packed.find("Asheboro");
cout << "Population of Asheboro: ";
if (it == packed.end())
cout << "not found";
else
cout << it->second;
cout << endl;
return EXIT_SUCCESS;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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