/*
 *  Copyright (c) 2002-2003 Jesper K. Pedersen <blackie@kde.org>
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Library General Public
 *  License version 2 as published by the Free Software Foundation.
 *
 *  This library 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
 *  Library General Public License for more details.
 *
 *  You should have received a copy of the GNU Library General Public License
 *  along with this library; see the file COPYING.LIB.  If not, write to
 *  the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 *  Boston, MA 02111-1307, USA.
 **/
#ifdef QT_ONLY
  #include "compat.h"
#else
  #include "kmessagebox.h"
  #include <klocale.h>
#endif

#include "repeatregexp.h"

RepeatRegExp::RepeatRegExp( bool selected, int lower, int upper, RegExp* child) : RegExp( selected )
{
	_lower = lower;
	_upper = upper;
	_child = child;
    if (child)
        addChild( child );
}

bool RepeatRegExp::check( ErrorMap& map, bool first, bool last )
{
    _child->check( map, first, last );
    return ( _lower == 0 );
}

QDomNode RepeatRegExp::toXml( QDomDocument* doc ) const
{
    QDomElement top = doc->createElement( QString::fromLocal8Bit("Repeat") );
    top.setAttribute( QString::fromLocal8Bit("lower"), _lower );
    top.setAttribute( QString::fromLocal8Bit("upper"), _upper );
    top.appendChild( _child->toXml( doc ) );
    return top;
}

bool RepeatRegExp::load( QDomElement top, const QString& version )
{
    Q_ASSERT( top.tagName() == QString::fromLocal8Bit( "Repeat" ) );
    QString lower = top.attribute( QString::fromLocal8Bit("lower"), QString::fromLocal8Bit("0") );
    QString upper = top.attribute( QString::fromLocal8Bit("upper"), QString::fromLocal8Bit("0") );
    bool ok;
    _lower = lower.toInt( &ok );
    if ( !ok ) {
        KMessageBox::sorry( 0, i18n("<p>Value for attribute <b>%1</b> was not an integer for element "
                                    "<b>%2</b></p><p>It contained the value <b>%3</b></p>")
                            .arg(QString::fromLatin1("lower")).arg(QString::fromLatin1("Repeat")).arg(lower),
                            i18n("Error While Loading From XML File") ) ;
        _lower = 0;
    }
    _upper = upper.toInt( &ok );
    if ( !ok ) {
        KMessageBox::sorry( 0, i18n("<p>Value for attribute <b>%1</b> was not an integer for element "
                                    "<b>%2</b></p><p>It contained the value <b>%3</b></p>")
                            .arg(QString::fromLatin1("upper")).arg(QString::fromLatin1("Repeat")).arg(upper),
                            i18n("Error While Loading From XML File") ) ;
        _upper = -1;
    }

    _child = readRegExp( top, version );
    if ( _child ) {
        addChild( _child );
        return true;
    }
    else
        return false;
}

bool RepeatRegExp::operator==( const RegExp& other ) const
{
    if ( type() != other.type() )
        return false;

    const RepeatRegExp& theOther = dynamic_cast<const RepeatRegExp&>( other );
    if ( _lower != theOther._lower || _upper != theOther._upper )
        return false;

    return (*_child == *(theOther._child) );
}

