Aegisub/libaegisub/include/libaegisub/thesaurus.h
2014-05-23 07:28:24 -07:00

51 lines
1.7 KiB
C++

// Copyright (c) 2012, Thomas Goyne <plorkyeran@aegisub.org>
//
// Permission to use, copy, modify, and distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
#include "fs_fwd.h"
#include <boost/container/flat_map.hpp>
#include <iosfwd>
#include <memory>
#include <string>
#include <vector>
namespace agi {
class read_file_mapping;
namespace charset { class IconvWrapper; }
class Thesaurus {
/// Map of word -> byte position in the data file
boost::container::flat_map<std::string, size_t> offsets;
/// Read handle to the data file
std::unique_ptr<read_file_mapping> dat;
/// Converter from the data file's charset to UTF-8
std::unique_ptr<charset::IconvWrapper> conv;
public:
/// A pair of a word and synonyms for that word
typedef std::pair<std::string, std::vector<std::string>> Entry;
/// Constructor
/// @param dat_path Path to data file
/// @param idx_path Path to index file
Thesaurus(agi::fs::path const& dat_path, agi::fs::path const& idx_path);
~Thesaurus();
/// Look up synonyms for a word
/// @param word Word to look up
std::vector<Entry> Lookup(std::string const& word);
};
}