util.h

/*******************************************************************************
**
** Filename   : util
** Created on : 03 April, 2005
** Copyright  : (c) 2005 Till Adam
** Email      : <adam@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.
**
**   It 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, write to the Free Software
**   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
**
**   In addition, as a special exception, the copyright holders give
**   permission to link the code of this program with any edition of
**   the TQt library by Trolltech AS, Norway (or with modified versions
**   of TQt that use the same license as TQt), and distribute linked
**   combinations including the two.  You must obey the GNU General
**   Public License in all respects for all of the code used other than
**   TQt.  If you modify this file, you may extend this exception to
**   your version of the file, but you are not obligated to do so.  If
**   you do not wish to do so, delete this exception statement from
**   your version.
**
*******************************************************************************/
#ifndef KMAILUTIL_H
#define KMAILUTIL_H
 
#include <stdlib.h>
 
#include <tqobject.h>
#include <tqcstring.h>
 
#include <tdeio/netaccess.h>
#include <tdemessagebox.h>
#include <tdelocale.h>
 
class DwString;
class KURL;
class TQWidget;
 
namespace KMail
{
namespace Util {
    size_t crlf2lf( char* str, const size_t strLen );
 
 
    TQCString lf2crlf( const TQCString & src );
    TQByteArray lf2crlf( const TQByteArray & src );
 
    TQCString CString( const DwString& str );
 
    TQByteArray ByteArray( const DwString& str );
 
    DwString dwString( const TQCString& str );
 
    DwString dwString( const TQByteArray& str );
 
    void setFromTQCString( TQByteArray& arr, const TQCString& cstr );
 
    inline void setFromTQCString( TQByteArray& arr, const TQCString& cstr )
    {
      if ( cstr.size() )
        arr.duplicate( cstr.data(), cstr.size()-1 );
      else
        arr.resize(0);
    }
 
    TQByteArray byteArrayFromTQCStringNoDetach( TQCString& cstr );
    inline TQByteArray byteArrayFromTQCStringNoDetach( TQCString& cstr )
    {
      TQByteArray arr = cstr;
      if ( arr.size() )
        arr.resize( arr.size() - 1 );
      return arr;
    }
 
    void restoreTQCString( TQCString& str );
    inline void restoreTQCString( TQCString& str )
    {
      if ( str.data() )
        str.resize( str.size() + 1 );
    }
 
    void setFromByteArray( TQCString& cstr, const TQByteArray& arr );
 
    inline void setFromByteArray( TQCString& result, const TQByteArray& arr )
    {
      const int len = arr.size();
      result.resize( len + 1 /* trailing NUL */ );
      memcpy(result.data(), arr.data(), len);
      result[len] = 0;
    }
 
    void append( TQByteArray& that, const TQByteArray& str );
 
    void append( TQByteArray& that, const char* str );
 
    void append( TQByteArray& that, const TQCString& str );
 
    void insert( TQByteArray& that, uint index, const char* s );
 
    class LaterDeleter
    {
      public:
      LaterDeleter( TQObject *o)
        :m_object( o ), m_disabled( false )
      {
      }
      virtual ~LaterDeleter()
      {
        if ( !m_disabled ) {
          m_object->deleteLater();
        }
      }
      void setDisabled( bool v )
      {
        m_disabled = v;
      }
      protected:
      TQObject *m_object;
      bool m_disabled;
    };
 
    // return true if we should proceed, false if we should abort
    inline bool checkOverwrite( const KURL& url, TQWidget* w )
    {
        if ( TDEIO::NetAccess::exists( url, false /*dest*/, w ) ) {
            if ( KMessageBox::Cancel ==
                    KMessageBox::warningContinueCancel(
                        w,
                        i18n( "A file named \"%1\" already exists. "
                            "Are you sure you want to overwrite it?" ).arg( url.prettyURL() ),
                        i18n( "Overwrite File?" ),
                        i18n( "&Overwrite" ) ) )
                return false;
        }
        return true;
    }
 
 
 
}
}
 
#endif