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/***************************************************************************
    begin                : Sun Oct 31 2004
    copyright            : (C) 2004 by Michael Pyne
    email                : [email protected]
***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/

#include <tqstring.h>

#include "filerenameroptions.h"
#include "categoryreaderinterface.h"

TQString CategoryReaderInterface::value(const CategoryID &category) const
{
    TQString value = categoryValue(category.category).stripWhiteSpace();

    if(category.category == Track)
        value = fixupTrack(value, category.categoryNumber).stripWhiteSpace();

    if(value.isEmpty() && emptyAction(category) == TagRenamerOptions::UseReplacementValue)
        value = emptyText(category);

    return prefix(category) + value + suffix(category);
}

bool CategoryReaderInterface::isRequired(const CategoryID &category) const
{
    return emptyAction(category) != TagRenamerOptions::IgnoreEmptyTag;
}

bool CategoryReaderInterface::isEmpty(TagType category) const
{
    return categoryValue(category).isEmpty();
}

TQString CategoryReaderInterface::fixupTrack(const TQString &track, unsigned categoryNum) const
{
    TQString str(track);
    CategoryID trackId(Track, categoryNum);

    if(track == "0") {
        if(emptyAction(trackId) == TagRenamerOptions::UseReplacementValue)
            str = emptyText(trackId);
        else
            return TQString();
    }

    unsigned minimumWidth = trackWidth(categoryNum);

    if(str.length() < minimumWidth) {
        TQString prefix;
        prefix.fill('0', minimumWidth - str.length());
        return prefix + str;
    }

    return str;
}

// vim: set et sw=4 ts=4: