diff options
Diffstat (limited to 'kioslaves/mbox/readmbox.cc')
| -rw-r--r-- | kioslaves/mbox/readmbox.cc | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/kioslaves/mbox/readmbox.cc b/kioslaves/mbox/readmbox.cc new file mode 100644 index 000000000..c7513c6eb --- /dev/null +++ b/kioslaves/mbox/readmbox.cc @@ -0,0 +1,204 @@ +/* + * 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 <config.h> + +#include "readmbox.h" + +#include "mbox.h" +#include "urlinfo.h" + +#include <kdebug.h> +#include <kio/global.h> + +#include <qfile.h> +#include <qfileinfo.h> +#include <qstring.h> +#include <qtextstream.h> + +#ifdef HAVE_SYS_TYPES_H +#include <sys/types.h> +#endif + +#include <utime.h> + +ReadMBox::ReadMBox( const UrlInfo* info, MBoxProtocol* parent, bool onlynew, bool savetime ) + : MBoxFile( info, parent ), + m_file( 0 ), + m_stream( 0 ), + m_current_line( new QString( QString::null ) ), + m_current_id( new QString( QString::null ) ), + m_atend( true ), + m_prev_time( 0 ), + m_only_new( onlynew ), + m_savetime( savetime ), + m_status( false ), + m_prev_status( false ), + m_header( true ) + +{ + if( m_info->type() == UrlInfo::invalid ) + m_mbox->emitError( KIO::ERR_DOES_NOT_EXIST, info->url() ); + + if( !open( savetime ) ) + m_mbox->emitError( KIO::ERR_CANNOT_OPEN_FOR_READING, info->url() ); + + if( m_info->type() == UrlInfo::message ) + if( !searchMessage( m_info->id() ) ) + m_mbox->emitError( KIO::ERR_DOES_NOT_EXIST, info->url() ); +} + +ReadMBox::~ReadMBox() +{ + delete m_current_line; + close(); +} + +QString ReadMBox::currentLine() const +{ + return *m_current_line; +} + +QString ReadMBox::currentID() const +{ + return *m_current_id; +} + +bool ReadMBox::nextLine() +{ + if( !m_stream ) + return true; + + *m_current_line = m_stream->readLine(); + m_atend = m_current_line->isNull(); + if( m_atend ) // Cursor was at EOF + { + *m_current_id = QString::null; + m_prev_status = m_status; + return true; + } + + //New message + if( m_current_line->left( 5 ) == "From " ) + { + *m_current_id = *m_current_line; + m_prev_status = m_status; + m_status = true; + m_header = true; + return true; + } else if( m_only_new ) + { + if( m_header && m_current_line->left( 7 ) == "Status:" && + ! m_current_line->contains( "U" ) && ! m_current_line->contains( "N" ) ) + { + m_status = false; + } + } + + if( m_current_line->stripWhiteSpace().isEmpty() ) + m_header = false; + + return false; +} + +bool ReadMBox::searchMessage( const QString& id ) +{ + if( !m_stream ) + return false; + + while( !m_atend && *m_current_id != id ) + nextLine(); + + return *m_current_id == id; +} + +unsigned int ReadMBox::skipMessage() +{ + unsigned int result = m_current_line->length(); + + if( !m_stream ) + return 0; + + while( !nextLine() ) + result += m_current_line->length(); + + return result; +} + +void ReadMBox::rewind() +{ + if( !m_stream ) + return; //Rewinding not possible + + m_stream->device()->reset(); + m_atend = m_stream->atEnd(); +} + +bool ReadMBox::atEnd() const +{ + if( !m_stream ) + return true; + + return m_atend || ( m_info->type() == UrlInfo::message && *m_current_id != m_info->id() ); +} + +bool ReadMBox::inListing() const +{ + return !m_only_new || m_prev_status; +} + +bool ReadMBox::open( bool savetime ) +{ + if( savetime ) + { + QFileInfo info( m_info->filename() ); + + m_prev_time = new utimbuf; + m_prev_time->actime = info.lastRead().toTime_t(); + m_prev_time->modtime = info.lastModified().toTime_t(); + } + + if( m_file ) + return false; //File already open + + m_file = new QFile( m_info->filename() ); + if( !m_file->open( IO_ReadOnly ) ) + { + delete m_file; + m_file = 0; + return false; + } + m_stream = new QTextStream( m_file ); + skipMessage(); + + return true; +} + +void ReadMBox::close() +{ + if( !m_stream ) + return; + + delete m_stream; m_stream = 0; + m_file->close(); + delete m_file; m_file = 0; + + if( m_prev_time ) + utime( QFile::encodeName( m_info->filename() ), m_prev_time ); +} + |