line_buffer.cpp

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#include <cassert>
#include "line_buffer.hpp"
 
void LineBuffer::write(std::string_view str){
        reduceBuf();
 
        buf += str;
 
        if(!hasLine()){
                pop();
        }
}
 
void LineBuffer::pop(){
        startIdx = endIdx;
        auto idx = buf.find('\n', endIdx);
        if(idx != buf.npos){
                endIdx = idx + 1;
        }
}
 
void LineBuffer::reduceBuf(){
        assert(startIdx <= endIdx);
        buf.erase(0, startIdx);
        endIdx = endIdx - startIdx;
        startIdx = 0;
}