ruglory
97d6a88eec
git-svn-id: https://svn.code.sf.net/p/qlscribe/svn/trunk@105 cac9541e-1b8d-4bfa-827e-589bba606050
145 lines
3.9 KiB
C++
145 lines
3.9 KiB
C++
/* qlscribe - Qt based application to print lightScribe discs
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Copyright (C) 2009 Vyacheslav Kononenko <vyacheslav@kononenko.net>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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$Id$ */
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#ifndef DBUSCPP_H
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#define DBUSCPP_H
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#include <dbus/dbus.h>
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#include <string>
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#include <map>
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namespace DBusCpp {
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class Message;
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class Connection;
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class MessageHandler {
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public:
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MessageHandler() : m_connection( 0 ) {}
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virtual ~MessageHandler();
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virtual DBusHandlerResult processMessage( const Message &msg ) = 0;
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Connection *connection() const { return m_connection; }
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static std::string generateInrospectHeader( const std::string &nodename = std::string() );
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friend class Connection;
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private:
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Connection *m_connection;
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};
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class Connection {
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public:
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Connection( DBusConnection *conn );
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Connection( const Connection &conn ) : m_connection( conn.m_connection ) {}
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~Connection();
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dbus_uint32_t send( const Message &msg );
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void registerHandler( const std::string &path, MessageHandler *handler, bool fallback );
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void flush() { dbus_connection_flush( m_connection ); }
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DBusConnection *ptr() const { return m_connection; }
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private:
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typedef std::map< std::string, MessageHandler * > Handlers;
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DBusConnection *m_connection;
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Handlers m_handlers;
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};
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class MessageIter {
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public:
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MessageIter( const MessageIter &an );
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~MessageIter();
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MessageIter openContainer( int eemType, const char *signature );
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void append( const std::string &str ) { append( str.c_str() ); }
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void append( const char *str );
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friend class Message;
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private:
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MessageIter() : m_container( 0 ) {}
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DBusMessageIter m_iter;
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DBusMessageIter *m_container;
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};
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class MessageConstIter {
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public:
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MessageConstIter recurse() const;
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std::string signature() const;
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bool next() { return dbus_message_iter_next( &m_iter ); }
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bool hasNext() const { return dbus_message_iter_has_next( const_cast< DBusMessageIter *>( &m_iter ) ); }
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void *getFixedArray( int &elements ) const;
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template <typename T> T getValue() const
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{
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T rez = T();
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dbus_message_iter_get_basic( const_cast< DBusMessageIter *>( &m_iter ), &rez );
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return rez;
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}
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friend class Message;
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private:
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DBusMessageIter m_iter;
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};
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class Message {
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public:
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explicit Message( int type );
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Message( const Message &msg );
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~Message();
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static Message parameter( DBusMessage *msg ) { return Message( msg, false ); }
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Message newMethodReturn() const;
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Message newError( const char *error, const char *message ) const;
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static Message newSignal( const std::string &path,
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const std::string &interface,
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const std::string &name );
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bool isMethodCall( const char *interface, const char *method ) const
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{ return dbus_message_is_method_call( m_message, interface, method ); }
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MessageConstIter constIter() const;
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MessageIter appendIter();
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void append( const std::string &str ) { append( str.c_str() ); }
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void append( const char *str );
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void append( int32_t i );
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const char *path() const;
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const char *interface() const;
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const char *member() const;
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friend class Connection;
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private:
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Message( DBusMessage *msg, bool ownership );
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DBusMessage *m_message;
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};
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}
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#endif // DBUSCPP_H
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