Class Tr

util/string/util.h:159–189

an analogue of tr/$from/$to/

// an analogue of tr/$from/$to/
class Tr {
public:
    Tr(const char* from, const char* to);

    char ConvertChar(char ch) const {
        return Map[(ui8)ch];
    }

    void Do(char* s) const {
        for (; *s; s++) {
            *s = ConvertChar(*s);
        }
    }
    void Do(const char* src, char* dst) const {
        for (; *src; src++) {
            *dst++ = ConvertChar(*src);
        }
        *dst = 0;
    }
    void Do(char* s, size_t l) const {
        for (size_t i = 0; i < l && s[i]; i++) {
            s[i] = ConvertChar(s[i]);
        }
    }
    void Do(TString& str) const;

private:
    char Map[256];

    size_t FindFirstChangePosition(const TString& str) const;
};

// Removes all occurrences of given character from string
template <typename TStringType>