OutputProcessor.h

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/*
 * Copyright (c) [2004-2009] Novell, Inc.
 *
 * All Rights Reserved.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of version 2 of the GNU General Public License as published
 * by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, contact Novell, Inc.
 *
 * To contact Novell about this file by physical or electronic mail, you may
 * find current contact information at www.novell.com.
 */


#ifndef OUTPUT_PROCESSOR_H
#define OUTPUT_PROCESSOR_H


#include "storage/StorageInterface.h"


namespace storage
{

    class OutputProcessor
    {
    public:
        OutputProcessor() {}
        virtual ~OutputProcessor() {}
        virtual void reset() = 0;
        virtual void finish() = 0;
        virtual void process(const string& txt, bool stderr) = 0;
    };


    class ProgressBar : public OutputProcessor
    {
    public:
        ProgressBar(const string& id, CallbackProgressBar callback)
            : id(id), callback(callback), first(true), max(100), cur(0)
        {}

        virtual ~ProgressBar() {}

        virtual void reset() { first = true; cur = 0; }
        virtual void finish() { setCurValue(max); }
        virtual void process(const string& txt, bool stderr) {}

        void setMaxValue(unsigned val) { max = val; }
        unsigned getMaxValue() const { return max; }
        void setCurValue(unsigned val);
        unsigned getCurValue() const { return cur; }

    protected:
        const string id;
        const CallbackProgressBar callback;

        bool first;

    private:
        unsigned long max;
        unsigned long cur;
    };


    class Mke2fsProgressBar : public ProgressBar
    {
    public:
        Mke2fsProgressBar(CallbackProgressBar callback)
            : ProgressBar("format", callback)
        {
            setMaxValue(100);
            done = false;
        }

        virtual void process(const string& txt, bool stderr);

    protected:
        string seen;
        bool done;
    };


    class ReiserProgressBar : public ProgressBar
    {
    public:
        ReiserProgressBar(CallbackProgressBar callback)
            : ProgressBar("format", callback)
        {
            setMaxValue(100);
        }

        virtual void process(const string& txt, bool stderr);

    protected:
        string seen;
    };


    class DasdfmtProgressBar : public ProgressBar
    {
    public:
        DasdfmtProgressBar(CallbackProgressBar callback)
            : ProgressBar("dasdfmt", callback)
        {
            setMaxValue(100);
            max_cyl = cur_cyl = 0;
        }

        virtual void process(const string& txt, bool stderr);

    protected:
        string seen;
        unsigned long max_cyl;
        unsigned long cur_cyl;
    };

}


#endif

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