// This code is in the public domain -- Ignacio Castaņo <castano@gmail.com>

#pragma once
#ifndef NVCORE_TEXTWRITER_H
#define NVCORE_TEXTWRITER_H

#include "nvcore.h"
#include "Stream.h"
#include "StrLib.h"

namespace nv
{

    /// Text writer.
    class NVCORE_CLASS TextWriter
    {
    public:

        TextWriter(Stream * s);

        void writeString(const char * str);
        void writeString(const char * str, uint len);
        void format(const char * format, ...) __attribute__((format (printf, 2, 3)));
        void formatList(const char * format, va_list arg);

    private:

        Stream * s;

        // Temporary string.
        StringBuilder str;

    };


    inline TextWriter & operator<<( TextWriter & tw, int i)
    {
        tw.format("%d", i);
        return tw;
    }

    inline TextWriter & operator<<( TextWriter & tw, uint i)
    {
        tw.format("%u", i);
        return tw;
    }

    inline TextWriter & operator<<( TextWriter & tw, float f)
    {
        tw.format("%f", f);
        return tw;
    }

    inline TextWriter & operator<<( TextWriter & tw, const char * str)
    {
        tw.writeString(str);
        return tw;
    }

} // nv namespace

#endif // NVCORE_TEXTWRITER_H