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/********************* */
/*! \file didyoumean.h
** \verbatim
** Top contributors (to current version):
** Kshitij Bansal, Tim King
** This file is part of the CVC4 project.
** Copyright (c) 2009-2017 by the authors listed in the file AUTHORS
** in the top-level source directory) and their institutional affiliations.
** All rights reserved. See the file COPYING in the top-level source
** directory for licensing information.\endverbatim
**
** \brief did-you-mean style suggestions.
**
** ``What do you mean? I don't understand.'' An attempt to be more
** helpful than that. Similar to one in git.
**
** There are no dependencies on CVC4 (except namespace).
**/
#pragma once
#include <set>
#include <string>
#include <vector>
namespace CVC4 {
class DidYouMean {
public:
typedef std::set<std::string> Words;
DidYouMean() {}
~DidYouMean() {}
DidYouMean(Words words) : d_words(words) {}
void addWord(std::string word) { d_words.insert(word); }
std::vector<std::string> getMatch(std::string input);
/**
* This is provided to make it easier to ensure consistency of
* output. Returned string is empty if there are no matches.
*/
std::string getMatchAsString(std::string input, int prefixNewLines = 2,
int suffixNewLines = 0);
private:
int editDistance(const std::string& a, const std::string& b);
Words d_words;
};
} /*CVC4 namespace*/
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