MercuryCommands.cpp

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#include "MercuryCommands.h"
#include "MercuryLog.h"
#include "MercuryObject.h"
#include "MercuryUtil.h"
#include "PStack.h"
#include "MercuryObjectFactory.h"

using namespace std;

bool MercuryCommandHandler::Command( PStack & ret, const char * command, PStack & args )
{
    ret.PushItem( MercuryObjectFactory::GetInstance().GetCallback( GetType(), command )( this, args) );
    return true;
}

void MercuryCommandHandler::EnumerateCommands( MVector< MString > & toAdd )
{
    MercuryObjectFactory::GetInstance().GetAllFunctions( GetType(), toAdd );
}

void MercuryCommandRegisteringSystem::CheckInit()
{
    if ( !bInit )
    {
        mCommands = new std::map< MString, CMDCallback >;
        bInit = true;
    }
}

int MercuryCommandRegisteringSystem::Register( const MString & command, CMDCallback reg )
{
    CheckInit();
    if ( mCommands->find( command ) == mCommands->end() )
        (*mCommands)[command] = reg;
    else
    {
        LOG.Warn("Double registeration of command \""+command+"\"!");
        return 0;
    }
    return 1;
}

bool MercuryCommandRegisteringSystem::ExecuteCommand( PStack & ret, const MString & command, PStack & args, void * source )
{
    CheckInit();
    if ( mCommands->find( command ) == mCommands->end() )
    {
        LOG.Warn( "There is no command by the name: "+command );
        return false;
    }
    return (*(*mCommands)[command])( ret, command, args, source );
}

bool MercuryCommandRegisteringSystem::ExecuteObjectCommand( PStack & ret, const MString & object, const MString & command, PStack & args )
{
    CheckInit();
    return OBJECTREGISTER.GetObjectFromName( object )->Command( ret, command.c_str(), args );
}

bool MercuryCommandRegisteringSystem::ExecuteCommandString( const MString & sCommand )
{
    return false;
}

MercuryCommandRegisteringSystem CMDMAN;

/***************MERCURY COMMAND-MESSAGE BRIDGE INTERFACE*****************/

bool ToMessage( PStack & ret, const char * cmd, PStack & args, void * info )
{
    PSElement g = args.PopItem();
    if ( g.GetType() == PSElement::STRING )
    {
        MESSAGEMAN->BroadcastMessage( g.GetValueS(), args );
        return true;
    }
    else
    {
        LOG.Warn( "Message command was not a string!" );
        return false;
    }
}









REGISTER_FUNCTION_TO_COMMAND( Message, ToMessage );

bool HGEXPORT RunCommandOnObject( const char * sObjectName, const char * sCommandName, int iMPStackArgs, int iMPStackRet )
{
    PStack * args = GetMPStack( iMPStackArgs );
    PStack * ret = GetMPStack( iMPStackRet );
    if ( !args || !ret )
        return false;
    MercuryObject * obj = OBJECTREGISTER.GetObjectFromName( MString( sObjectName ) );
    if ( obj )
        return obj->Command( *ret, sCommandName, *args );
    else
        return false;
}

/* 
 * Copyright (c) 2006, Charles Lohr
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or
 * without modification, are permitted provided that the following
 * conditions are met:
 *  -   Redistributions of source code must retain the above
 *      copyright notice, this list of conditions and the following disclaimer.
 *  -   Redistributions in binary form must reproduce the above copyright
 *      notice, this list of conditions and the following disclaimer in
 *      the documentation and/or other materials provided with the distribution.
 *  -   Neither the name of the <ORGANIZATION> nor the names of its
 *      contributors may be used to endorse or promote products derived from
 *      this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
 * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

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