line_buffer.hpp

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#ifndef LINE_BUFFER_5dd68dbd1e7b
#define LINE_BUFFER_5dd68dbd1e7b
 
#include <string>
#include <string_view>
 
class LineBuffer{
public:
        void write(std::string_view str);
 
        bool hasLine() const { return startIdx != endIdx; }
 
        //valid only until pop()
        std::string_view peek() const {
                return std::string_view(buf.data() + startIdx, endIdx - startIdx);
        }
 
        void pop();
 
private:
        void reduceBuf();
 
        std::string buf;
        size_t startIdx = 0;
        size_t endIdx = 0;
};
 
 
#endif