strings_util.h

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#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);
    };
};