Progress.hpp

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 /*
 * ProgressBar.h
 *
 *  Created on: 14.01.2011
 *      Author: Thomas Wiemann
 */

#ifndef LVR2_PROGRESSBARQT_H_
#define LVR2_PROGRESSBARQT_H_

#include <string>
#include <sstream>
#include <iostream>

using std::stringstream;
using std::cout;
using std::endl;
using std::flush;
using std::string;
using std::wstring;
using std::wcout;

#include <boost/thread/mutex.hpp>

namespace lvr2
{

typedef void(*ProgressCallbackPtr)(int);
typedef void(*ProgressTitleCallbackPtr)(string);

class ProgressBar
{

public:

    ProgressBar(size_t max_val, string prefix = "");

    virtual ~ProgressBar();

    void operator++();

    void operator+=(size_t n);


    static void setProgressCallback(ProgressCallbackPtr);

    static void setProgressTitleCallback(ProgressTitleCallbackPtr);

protected:

    void print_bar();

    string                      m_prefix;

    size_t                      m_maxVal;

    size_t                      m_currentVal;

    boost::mutex        m_mutex;

    int                 m_percent;

    stringstream        m_stream;

    string                      m_fillstring;

    static ProgressCallbackPtr                  m_progressCallback;
    static ProgressTitleCallbackPtr             m_titleCallback;
};


class ProgressCounter
{
public:

    /***
     * @brief CTor.
     *
     * @param   stepVal After m_stepVal operations a new output is generated
     * @param   prefix  The prefix string for progress output
     */
    ProgressCounter(int stepVal, string prefix = "");

    /***
     * @brief   Increase the progress counter
     */
    void operator++();

protected:

    void print_progress();

    string                      m_prefix;

    size_t                      m_stepVal;

    size_t                      m_currentVal;

    boost::mutex        m_mutex;

    stringstream        m_stream;

    string                      m_fillstring;
};


typedef void(*PacmanProgressCallbackPtr)(int);
typedef void(*PacmanProgressTitleCallbackPtr)(string);

class PacmanProgressBar
{

public:

        PacmanProgressBar(size_t max_val, string prefix = "", size_t bar_length = 60 );

        virtual ~PacmanProgressBar();

        void operator++();

        static void setProgressCallback(ProgressCallbackPtr);

        static void setProgressTitleCallback(ProgressTitleCallbackPtr);

protected:

        void print_bar();

        string                  m_prefix;

        size_t                  m_maxVal;

    size_t                      m_currentVal;

        boost::mutex    m_mutex;

        int                             m_percent;

        // bar length
        int                     m_bar_length;

        stringstream    m_stream;

        string                  m_fillstring;

        static PacmanProgressCallbackPtr                        m_progressCallback;
        static PacmanProgressTitleCallbackPtr           m_titleCallback;
};

} // namespace lvr2

#endif /* PROGRESSBAR_H_ */