#ifndef JES_FILELOADER_H
#define JES_FILELOADER_H

#include <stdint.h>
#include <vector>
#include <memory>

class FileLoader
{
public:
    enum
    {
        LINE_ENDING_LF,
        LINE_ENDING_CR,
        LINE_ENDING_CRLF,
        LINE_ENDING_COUNT
    };

    FileLoader();
    ~FileLoader();
    bool load(const char * fname);
    unsigned int num_lines()
    {
        if (m_lines == NULL)
        {
            return 0u;
        }
        else
        {
            return m_lines->size();
        }
    }
    int get_line_endings() { return m_line_endings; }
protected:
    typedef std::pair<const uint8_t *, size_t> LineIndexPair;
    typedef std::vector<LineIndexPair> LineIndexPairVector;
    typedef std::shared_ptr<LineIndexPairVector> LineIndexPairVectorRef;
    void load_buf(size_t size);
    uint8_t * m_buf;
    int m_line_endings;
    LineIndexPairVectorRef m_lines;
};

#endif