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tdenetwork/kopete/libkopete/kopetecommandhandler.cpp

491 lines
16 KiB

/*
kopetecommandhandler.cpp - Command Handler
Copyright (c) 2003 by Jason Keirstead <jason@keirstead.org>
Kopete (c) 2002-2003 by the Kopete developers <kopete-devel@kde.org>
*************************************************************************
* *
* 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. *
* *
*************************************************************************
*/
#include <kapplication.h>
#include <tqregexp.h>
#include <kdebug.h>
#include <klocale.h>
#include <kprocess.h>
#include <tdeversion.h>
#include <kxmlguiclient.h>
#include <kaction.h>
#include <tqdom.h>
#include "kopetechatsessionmanager.h"
#include "kopeteprotocol.h"
#include "kopetepluginmanager.h"
#include "kopeteview.h"
#include "kopeteaccountmanager.h"
#include "kopeteaccount.h"
#include "kopetecommandhandler.h"
#include "kopetecontact.h"
#include "kopetecommand.h"
using Kopete::CommandList;
typedef TQMap<TQObject*, CommandList> PluginCommandMap;
typedef TQMap<TQString,TQString> CommandMap;
typedef TQPair<Kopete::ChatSession*, Kopete::Message::MessageDirection> ManagerPair;
class KopeteCommandGUIClient : public TQObject, public KXMLGUIClient
{
public:
KopeteCommandGUIClient( Kopete::ChatSession *manager ) : TQObject(manager), KXMLGUIClient(manager)
{
setXMLFile( TQString::fromLatin1("kopetecommandui.rc") );
TQDomDocument doc = domDocument();
TQDomNode menu = doc.documentElement().firstChild().firstChild().firstChild();
CommandList mCommands = Kopete::CommandHandler::commandHandler()->commands(
manager->protocol()
);
for( TQDictIterator<Kopete::Command> it( mCommands ); it.current(); ++it )
{
KAction *a = static_cast<KAction*>( it.current() );
actionCollection()->insert( a );
TQDomElement newNode = doc.createElement( TQString::fromLatin1("Action") );
newNode.setAttribute( TQString::fromLatin1("name"),
TQString::fromLatin1( a->name() ) );
bool added = false;
for( TQDomElement n = menu.firstChild().toElement();
!n.isNull(); n = n.nextSibling().toElement() )
{
if( TQString::fromLatin1(a->name()) < n.attribute(TQString::fromLatin1("name")))
{
menu.insertBefore( newNode, n );
added = true;
break;
}
}
if( !added )
{
menu.appendChild( newNode );
}
}
setDOMDocument( doc );
}
};
struct CommandHandlerPrivate
{
PluginCommandMap pluginCommands;
Kopete::CommandHandler *s_handler;
TQMap<KProcess*,ManagerPair> processMap;
bool inCommand;
TQPtrList<KAction> m_commands;
};
CommandHandlerPrivate *Kopete::CommandHandler::p = 0L;
Kopete::CommandHandler::CommandHandler() : TQObject( tqApp )
{
p->s_handler = this;
p->inCommand = false;
CommandList mCommands(31, false);
mCommands.setAutoDelete( true );
p->pluginCommands.insert( this, mCommands );
registerCommand( this, TQString::fromLatin1("help"), TQT_SLOT( slotHelpCommand( const TQString &, Kopete::ChatSession * ) ),
i18n( "USAGE: /help [<command>] - Used to list available commands, or show help for a specified command." ), 0, 1 );
registerCommand( this, TQString::fromLatin1("close"), TQT_SLOT( slotCloseCommand( const TQString &, Kopete::ChatSession * ) ),
i18n( "USAGE: /close - Closes the current view." ) );
// FIXME: What's the difference with /close? The help doesn't explain it - Martijn
registerCommand( this, TQString::fromLatin1("part"), TQT_SLOT( slotPartCommand( const TQString &, Kopete::ChatSession * ) ),
i18n( "USAGE: /part - Closes the current view." ) );
registerCommand( this, TQString::fromLatin1("clear"), TQT_SLOT( slotClearCommand( const TQString &, Kopete::ChatSession * ) ),
i18n( "USAGE: /clear - Clears the active view's chat buffer." ) );
//registerCommand( this, TQString::fromLatin1("me"), TQT_SLOT( slotMeCommand( const TQString &, Kopete::ChatSession * ) ),
// i18n( "USAGE: /me <text> - Formats message as in '<nickname> went to the store'." ) );
registerCommand( this, TQString::fromLatin1("away"), TQT_SLOT( slotAwayCommand( const TQString &, Kopete::ChatSession * ) ),
i18n( "USAGE: /away [<reason>] - Marks you as away/back for the current account only." ) );
registerCommand( this, TQString::fromLatin1("awayall"), TQT_SLOT( slotAwayAllCommand( const TQString &, Kopete::ChatSession * ) ),
i18n( "USAGE: /awayall [<reason>] - Marks you as away/back for all accounts." ) );
registerCommand( this, TQString::fromLatin1("say"), TQT_SLOT( slotSayCommand( const TQString &, Kopete::ChatSession * ) ),
i18n( "USAGE: /say <text> - Say text in this chat. This is the same as just typing a message, but is very "
"useful for scripts." ), 1 );
registerCommand( this, TQString::fromLatin1("exec"), TQT_SLOT( slotExecCommand( const TQString &, Kopete::ChatSession * ) ),
i18n( "USAGE: /exec [-o] <command> - Executes the specified command and displays the output in the chat buffer. "
"If -o is specified, the output is sent to all members of the chat."), 1 );
connect( Kopete::PluginManager::self(), TQT_SIGNAL( pluginLoaded( Kopete::Plugin*) ),
this, TQT_SLOT(slotPluginLoaded(Kopete::Plugin*) ) );
connect( Kopete::ChatSessionManager::self(), TQT_SIGNAL( viewCreated( KopeteView * ) ),
this, TQT_SLOT( slotViewCreated( KopeteView* ) ) );
}
Kopete::CommandHandler::~CommandHandler()
{
delete p;
}
Kopete::CommandHandler *Kopete::CommandHandler::commandHandler()
{
if( !p )
{
p = new CommandHandlerPrivate;
p->s_handler = new Kopete::CommandHandler();
}
return p->s_handler;
}
void Kopete::CommandHandler::registerCommand( TQObject *parent, const TQString &command, const char* handlerSlot,
const TQString &help, uint minArgs, int maxArgs, const KShortcut &cut, const TQString &pix )
{
TQString lowerCommand = command.lower();
Kopete::Command *mCommand = new Kopete::Command( parent, lowerCommand, handlerSlot, help,
Normal, TQString(), minArgs, maxArgs, cut, pix);
p->pluginCommands[ parent ].insert( lowerCommand, mCommand );
}
void Kopete::CommandHandler::unregisterCommand( TQObject *parent, const TQString &command )
{
if( p->pluginCommands[ parent ].find(command) )
p->pluginCommands[ parent ].remove( command );
}
void Kopete::CommandHandler::registerAlias( TQObject *parent, const TQString &alias, const TQString &formatString,
const TQString &help, CommandType type, uint minArgs, int maxArgs, const KShortcut &cut, const TQString &pix )
{
TQString lowerAlias = alias.lower();
Kopete::Command *mCommand = new Kopete::Command( parent, lowerAlias, 0L, help, type,
formatString, minArgs, maxArgs, cut, pix );
p->pluginCommands[ parent ].insert( lowerAlias, mCommand );
}
void Kopete::CommandHandler::unregisterAlias( TQObject *parent, const TQString &alias )
{
if( p->pluginCommands[ parent ].find(alias) )
p->pluginCommands[ parent ].remove( alias );
}
bool Kopete::CommandHandler::processMessage( const TQString &msg, Kopete::ChatSession *manager )
{
if( p->inCommand )
return false;
TQRegExp splitRx( TQString::fromLatin1("^/([\\S]+)(.*)") );
TQString command;
TQString args;
if(splitRx.search(msg) != -1)
{
command = splitRx.cap(1);
args = splitRx.cap(2).mid(1);
}
else
return false;
CommandList mCommands = commands( manager->protocol() );
Kopete::Command *c = mCommands[ command ];
if(c)
{
kdDebug(14010) << k_funcinfo << "Handled Command" << endl;
if( c->type() != SystemAlias && c->type() != UserAlias )
p->inCommand = true;
c->processCommand( args, manager );
p->inCommand = false;
return true;
}
return false;
}
bool Kopete::CommandHandler::processMessage( Kopete::Message &msg, Kopete::ChatSession *manager )
{
TQString messageBody = msg.plainBody();
return processMessage( messageBody, manager );
}
void Kopete::CommandHandler::slotHelpCommand( const TQString &args, Kopete::ChatSession *manager )
{
TQString output;
if( args.isEmpty() )
{
int commandCount = 0;
output = i18n( "Available Commands:\n" );
CommandList mCommands = commands( manager->myself()->protocol() );
TQDictIterator<Kopete::Command> it( mCommands );
for( ; it.current(); ++it )
{
output.append( it.current()->command().upper() + '\t' );
if( commandCount++ == 5 )
{
commandCount = 0;
output.append( '\n' );
}
}
output.append( i18n( "\nType /help <command> for more information." ) );
}
else
{
TQString command = parseArguments( args ).front().lower();
Kopete::Command *c = commands( manager->myself()->protocol() )[ command ];
if( c && !c->help().isNull() )
output = c->help();
else
output = i18n("There is no help available for '%1'.").arg( command );
}
Kopete::Message msg(manager->myself(), manager->members(), output, Kopete::Message::Internal, Kopete::Message::PlainText);
manager->appendMessage(msg);
}
void Kopete::CommandHandler::slotSayCommand( const TQString &args, Kopete::ChatSession *manager )
{
//Just say whatever is passed
Kopete::Message msg(manager->myself(), manager->members(), args,
Kopete::Message::Outbound, Kopete::Message::PlainText);
manager->sendMessage(msg);
}
void Kopete::CommandHandler::slotExecCommand( const TQString &args, Kopete::ChatSession *manager )
{
if( !args.isEmpty() )
{
KProcess *proc = 0L;
if ( kapp->authorize( TQString::fromLatin1( "shell_access" ) ) )
proc = new KProcess(manager);
if( proc )
{
*proc << TQString::fromLatin1("sh") << TQString::fromLatin1("-c");
TQStringList argsList = parseArguments( args );
if( argsList.front() == TQString::fromLatin1("-o") )
{
p->processMap.insert( proc, ManagerPair(manager, Kopete::Message::Outbound) );
*proc << args.section(TQRegExp(TQString::fromLatin1("\\s+")), 1);
}
else
{
p->processMap.insert( proc, ManagerPair(manager, Kopete::Message::Internal) );
*proc << args;
}
connect(proc, TQT_SIGNAL(receivedStdout(KProcess *, char *, int)), this, TQT_SLOT(slotExecReturnedData(KProcess *, char *, int)));
connect(proc, TQT_SIGNAL(receivedStderr(KProcess *, char *, int)), this, TQT_SLOT(slotExecReturnedData(KProcess *, char *, int)));
proc->start( KProcess::NotifyOnExit, KProcess::AllOutput );
}
else
{
Kopete::Message msg(manager->myself(), manager->members(),
i18n( "ERROR: Shell access has been restricted on your system. The /exec command will not function." ),
Kopete::Message::Internal, Kopete::Message::PlainText );
manager->sendMessage( msg );
}
}
}
void Kopete::CommandHandler::slotClearCommand( const TQString &, Kopete::ChatSession *manager )
{
if( manager->view() )
manager->view()->clear();
}
void Kopete::CommandHandler::slotPartCommand( const TQString &, Kopete::ChatSession *manager )
{
if( manager->view() )
manager->view()->closeView();
}
void Kopete::CommandHandler::slotAwayCommand( const TQString &args, Kopete::ChatSession *manager )
{
bool goAway = !manager->account()->isAway();
if( args.isEmpty() )
manager->account()->setAway( goAway );
else
manager->account()->setAway( goAway, args );
}
void Kopete::CommandHandler::slotAwayAllCommand( const TQString &args, Kopete::ChatSession *manager )
{
if( manager->account()->isAway() )
Kopete::AccountManager::self()->setAvailableAll();
else
{
if( args.isEmpty() )
Kopete::AccountManager::self()->setAwayAll();
else
Kopete::AccountManager::self()->setAwayAll( args );
}
}
void Kopete::CommandHandler::slotCloseCommand( const TQString &, Kopete::ChatSession *manager )
{
if( manager->view() )
manager->view()->closeView();
}
void Kopete::CommandHandler::slotExecReturnedData(KProcess *proc, char *buff, int bufflen )
{
kdDebug(14010) << k_funcinfo << endl;
TQString buffer = TQString::fromLocal8Bit( buff, bufflen );
ManagerPair mgrPair = p->processMap[ proc ];
Kopete::Message msg( mgrPair.first->myself(), mgrPair.first->members(), buffer, mgrPair.second, Kopete::Message::PlainText );
if( mgrPair.second == Kopete::Message::Outbound )
mgrPair.first->sendMessage( msg );
else
mgrPair.first->appendMessage( msg );
}
void Kopete::CommandHandler::slotExecFinished(KProcess *proc)
{
delete proc;
p->processMap.remove( proc );
}
TQStringList Kopete::CommandHandler::parseArguments( const TQString &args )
{
TQStringList arguments;
TQRegExp quotedArgs( TQString::fromLatin1("\"(.*)\"") );
quotedArgs.setMinimal( true );
if ( quotedArgs.search( args ) != -1 )
{
for( int i = 0; i< quotedArgs.numCaptures(); i++ )
arguments.append( quotedArgs.cap(i) );
}
TQStringList otherArgs = TQStringList::split( TQRegExp(TQString::fromLatin1("\\s+")), args.section( quotedArgs, 0 ) );
for( TQStringList::Iterator it = otherArgs.begin(); it != otherArgs.end(); ++it )
arguments.append( *it );
return arguments;
}
bool Kopete::CommandHandler::commandHandled( const TQString &command )
{
for( PluginCommandMap::Iterator it = p->pluginCommands.begin(); it != p->pluginCommands.end(); ++it )
{
if( it.data()[ command ] )
return true;
}
return false;
}
bool Kopete::CommandHandler::commandHandledByProtocol( const TQString &command, Kopete::Protocol *protocol )
{
// Make sure the protocol is not NULL
if(!protocol)
return false;
// Fetch the commands for the protocol
CommandList commandList = commands( protocol );
TQDictIterator<Kopete::Command> it ( commandList );
// Loop through commands and check if they match the supplied command
for( ; it.current(); ++it )
{
if( it.current()->command().lower() == command )
return true;
}
// No commands found
return false;
}
CommandList Kopete::CommandHandler::commands( Kopete::Protocol *protocol )
{
CommandList commandList(63, false);
//Add plugin user aliases first
addCommands( p->pluginCommands[protocol], commandList, UserAlias );
//Add plugin system aliases next
addCommands( p->pluginCommands[protocol], commandList, SystemAlias );
//Add the commands for this protocol next
addCommands( p->pluginCommands[protocol], commandList );
//Add plugin commands
for( PluginCommandMap::Iterator it = p->pluginCommands.begin(); it != p->pluginCommands.end(); ++it )
{
if( !it.key()->inherits("Kopete::Protocol") && it.key()->inherits("Kopete::Plugin") )
addCommands( it.data(), commandList );
}
//Add global user aliases first
addCommands( p->pluginCommands[this], commandList, UserAlias );
//Add global system aliases next
addCommands( p->pluginCommands[this], commandList, SystemAlias );
//Add the internal commands *last*
addCommands( p->pluginCommands[this], commandList );
return commandList;
}
void Kopete::CommandHandler::addCommands( CommandList &from, CommandList &to, CommandType type )
{
TQDictIterator<Kopete::Command> itDict( from );
for( ; itDict.current(); ++itDict )
{
if( !to[ itDict.currentKey() ] &&
( type == Undefined || itDict.current()->type() == type ) )
to.insert( itDict.currentKey(), itDict.current() );
}
}
void Kopete::CommandHandler::slotViewCreated( KopeteView *view )
{
new KopeteCommandGUIClient( view->msgManager() );
}
void Kopete::CommandHandler::slotPluginLoaded( Kopete::Plugin *plugin )
{
connect( plugin, TQT_SIGNAL( destroyed( TQObject * ) ), this, TQT_SLOT( slotPluginDestroyed( TQObject * ) ) );
if( !p->pluginCommands.contains( plugin ) )
{
//Create a TQDict optomized for a larger # of commands, and case insensitive
CommandList mCommands(31, false);
mCommands.setAutoDelete( true );
p->pluginCommands.insert( plugin, mCommands );
}
}
void Kopete::CommandHandler::slotPluginDestroyed( TQObject *plugin )
{
p->pluginCommands.remove( static_cast<Kopete::Plugin*>(plugin) );
}
#include "kopetecommandhandler.moc"
// vim: set noet ts=4 sts=4 sw=4: