hollows_hunter/util/strings_util.h

#pragma once

#include <string>

namespace hhunter {

    namespace util {

        enum stringsim_type {
            SIM_NONE = 0,
            SIM_SUBSTR = 1,
            SIM_LAV_DIST,
            SIM_HIST
        };

        std::string to_lowercase(std::string);

        // Compare cstrings (ignore case)
        bool is_cstr_equal(char const *a, char const *b, const size_t max_len);

        // Calculate Levenshtein distance of two strings
        size_t levenshtein_distance(const char s1[], const char s2[]);

        // Calculate a diffrence in strings histograms
        size_t str_hist_diffrence(const char s1[], const char s2[]);

        stringsim_type is_string_similar(const std::string &param, const std::string &filter);
    };
};