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amortips.cpp

/* amortips.cpp
**
** Copyright (c) 1999 Martin R. Jones <mjones@kde.org>
**
*/

/*
** 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.
**
** 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 in a file called COPYING; if not, write to
** the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
** MA 02111-1307, USA.
*/

/*
** Bug reports and questions can be sent to kde-devel@kde.org
*/
#include <stdlib.h>
#include <kapplication.h>
#include "amortips.h"
#include <kstandarddirs.h>
#include <klocale.h>
#include <qfile.h>

//---------------------------------------------------------------------------
//
AmorTips::AmorTips()
{
}

//---------------------------------------------------------------------------
//
// Set the file containing tips.  This reads all tips into memory at the
// moment - need to make more efficient.
//
bool AmorTips::setFile(const QString& file)
{
    bool rv = false;

    QString path( locate("appdata", file) );
    if(path.length() && read(path))
        rv = true;

    rv |= readKTips();

    return rv;
}

//---------------------------------------------------------------------------
//
// Clear all tips from memory
//
void AmorTips::reset()
{
    mTips.clear();
}

//---------------------------------------------------------------------------
//
// Get a tip randomly from the list
//
QString AmorTips::tip()
{
    if (mTips.count())
    {
        QString tip = *mTips.at(kapp->random() % mTips.count());
            return i18n(tip.utf8());
    }

    return i18n("No tip");
}

//---------------------------------------------------------------------------
//
// Read the tips from ktip's file
//
bool AmorTips::readKTips()
{
    QString fname;

    fname = locate("data", QString("kdewizard/tips"));

    if (fname.isEmpty())
      return false;

    QFile f(fname);
    if (f.open(IO_ReadOnly))
    {
      QTextStream ts(&f);

      QString line, tag, tip;
      bool inTip = false;
      while (!ts.eof())
      {
          line = ts.readLine();
          tag = line.stripWhiteSpace().lower();

          if (tag == "<html>")
          {
            inTip = true;
            tip = QString::null;
            continue;
          }

          if (inTip)
          {
            if (tag == "</html>")
            {
                mTips.append(tip);
                inTip = false;
            }
            else
                tip.append(line).append("\n");
          }

      }

      f.close();
    }

    return true;
}

//---------------------------------------------------------------------------
//
// Read all tips from the specified file.
//
bool AmorTips::read(const QString& path)
{
    QFile file(path);

    if (file.open(IO_ReadOnly))
    {
        while (!file.atEnd())
        {
            readTip(file);
        }

      return true;
    }

    return false;
}

//---------------------------------------------------------------------------
//
// Read a single tip.
//
bool AmorTips::readTip(QFile &file)
{
    char buffer[1024] = "";
    QString tip;

    while (!file.atEnd() && buffer[0] != '%')
    {
        file.readLine(buffer, 1024);
        if (buffer[0] != '%')
        {
            tip += QString::fromUtf8(buffer);
        }
    }

    if (!tip.isEmpty())
    {
        if (tip[tip.length()-1] == '\n')
        {
            tip.truncate(tip.length()-1);
        }
        mTips.append(tip);
        return true;
    }

    return false;
}



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