kde-playground/kdepimlibs/kioslave/mbox/mbox.cpp

/*
 * This is a simple kioslave to handle mbox-files.
 * Copyright (C) 2004 Mart Kelder (mart.kde@hccnet.nl)
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */
#include "mbox.h"

#include "readmbox.h"
#include "stat.h"
#include "urlinfo.h"

#include <QString>

#include <kdebug.h>
#include <klocalizedstring.h>
#include <kcomponentdata.h>
#include <kglobal.h>
#include <kurl.h>
#include <kio/global.h>

#include <stdlib.h>

#include "kdemacros.h"

extern "C" { KDE_EXPORT int kdemain(int argc, char* argv[]); }

int kdemain( int argc, char * argv[] )
{
    KComponentData instance("kio_mbox", "kdelibs4");
    (void) KGlobal::locale();

    if (argc != 4) {
        fprintf(stderr, "Usage: kio_mbox protocol "
                        "domain-socket1 domain-socket2\n");
        exit(-1);
    }

    MBoxProtocol slave(argv[2], argv[3]);
    slave.dispatchLoop();

    return 0;
}

MBoxProtocol::MBoxProtocol( const QByteArray& arg1, const QByteArray& arg2 )
    : KIO::SlaveBase( "mbox2", arg1, arg2 ),
      m_errorState( true )
{
}

MBoxProtocol::~MBoxProtocol()
{
}

void MBoxProtocol::get( const KUrl& url )
{
    m_errorState = false;

    UrlInfo info( url, UrlInfo::message );
    QString line;
    QByteArray ba_line;

    if( info.type() == UrlInfo::invalid && !m_errorState ) {
        error( KIO::ERR_DOES_NOT_EXIST, info.url() );
        return;
    }

    ReadMBox mbox( &info, this );

    while( !mbox.atEnd() && !m_errorState) {
        line = mbox.currentLine();
        line += '\n';
        ba_line = QByteArray( line.toUtf8() );
        ba_line.truncate( ba_line.size() - 1 ); //Removing training '\0'
        data( ba_line );
        mbox.nextLine();
    };

    if( !m_errorState ) {
        data( QByteArray() );
        finished();
    }
}

void MBoxProtocol::listDir( const KUrl& url )
{
    m_errorState = false;

    KIO::UDSEntry entry;
    UrlInfo info( url, UrlInfo::directory );
    ReadMBox mbox( &info, this, hasMetaData( "onlynew" ), hasMetaData( "savetime" ) );

    if( m_errorState ) {
        return;
    }

    if( info.type() != UrlInfo::directory ) {
        error( KIO::ERR_DOES_NOT_EXIST, info.url() );
        return;
    }

    while( !mbox.atEnd() && !m_errorState ) {
        entry = Stat::stat( mbox, info );
        if( mbox.inListing() ) {
            listEntry( entry, false );
        }
    }

    listEntry( KIO::UDSEntry(), true );
    finished();
}

void MBoxProtocol::stat( const KUrl& url )
{
    UrlInfo info( url );
    if( info.type() == UrlInfo::invalid ) {
        error( KIO::ERR_DOES_NOT_EXIST, url.path() );
        return;
    } else {
        statEntry( Stat::stat( info ) );
    }
    finished();
}

void MBoxProtocol::mimetype( const KUrl& url )
{
    m_errorState = false;

    UrlInfo info( url );

    if( m_errorState ) {
        return;
    }

    if( info.type() == UrlInfo::invalid ) {
        error( KIO::ERR_DOES_NOT_EXIST, i18n( "Invalid URL" ) );
    } else {
        mimeType( info.mimetype() );
    }
    finished();
}

void MBoxProtocol::emitError( int _errno, const QString& arg )
{
    m_errorState = true;
    error( _errno, arg );
}