pigine/utils/String.h

#ifndef STRING_H
#define STRING_H

class String final {
public:
    String();
    String(const char* str);

    bool operator==(const String& other) const;
    bool operator!=(const String& other) const;
    operator const char*() const;
    char operator[](int index) const;
    int getLength() const;
    String& clear();

    template<typename T>
    String& append(const char* format, const T& t) {
        int left = MAX_LENGTH - length;
        int written = snprintf(data + length, left, format, t);
        if(written < left) {
            length += written;
        } else {
            length = MAX_LENGTH;
        }
        return *this;
    }

    String& append(char c);
    String& append(const char* str);
    String& append(int i);
    String& append(float f);
    String& append(bool b);

private:
    static constexpr int MAX_LENGTH = 256 - sizeof(int);
    int length;
    char data[MAX_LENGTH];
};

#endif