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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><HTML>
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<TITLE>code/nel/src/logic/logic_condition.cpp - view - 1.2</TITLE></HEAD>
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<table width="100%" border=0 cellspacing=0 cellpadding=1 bgcolor="#aaaaaa"><tr valign=bottom><td><a href="logic_condition.cpp?sortby=log"><IMG SRC="/inc/img/picto-up.gif" ALT="[BACK]" BORDER="0" WIDTH="14" HEIGHT="13"></a> <b>Return to <A HREF="logic_condition.cpp?sortby=log">logic_condition.cpp</A>
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Revision <B>1.2</B>, <i>Thu Jun 20 12:17:56 2002 UTC</i> (5 weeks, 3 days ago) by <i>lecroart</i>
<BR>Branch: <b>MAIN</b>
<BR>CVS Tags: <b>HEAD</b><BR>Changes since <b>1.1: +156 -9
lines</b><PRE>
CHANGED: now load/save state machine in XML format
</PRE>
</td></tr></table><HR noshade><PRE>/** \file logic_condition.cpp
*
*
* $Id: logic_condition.cpp,v 1.2 2002/06/20 12:17:56 lecroart Exp $
*/
/* Copyright, 2000 Nevrax Ltd.
*
* This file is part of NEVRAX NEL.
* NEVRAX NEL is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
* NEVRAX NEL 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
* General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with NEVRAX NEL; see the file COPYING. If not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
* MA 02111-1307, USA.
*/
#include "nel/misc/o_xml.h"
#include "nel/logic/logic_condition.h"
#include "nel/logic/logic_variable.h"
#include "nel/logic/logic_state_machine.h"
using namespace NLMISC;
using namespace std;
namespace NLLOGIC
{
//-------------------------------------------------
// setLogicStateMachine :
//
//-------------------------------------------------
void CLogicComparisonBlock::setLogicStateMachine( CLogicStateMachine * logicStateMachine )
{
if( logicStateMachine == 0 )
{
nlwarning("(LOGIC)<CLogicComparisonBlock::setLogicStateMachine> The state machine is null");
}
else
{
_LogicStateMachine = logicStateMachine;
}
} // setLogicStateMachine //
//-------------------------------------------------
// testLogic :
//
//-------------------------------------------------
bool CLogicComparisonBlock::testLogic()
{
CLogicVariable var;
if( _LogicStateMachine->getVariable( VariableName, var ) == false )
{
nlwarning("(LOGIC)<CLogicComparisonBlock::testLogic> The variable %s is unknown in the state machine",VariableName.c_str());
return false;
}
if( Operator == "<" ) return ( var.getValue() < Comparand );
if( Operator == "<=" ) return ( var.getValue() <= Comparand );
if( Operator == ">" ) return ( var.getValue() > Comparand );
if( Operator == ">=" ) return ( var.getValue() >= Comparand );
if( Operator == "==" ) return ( var.getValue() == Comparand );
if( Operator == "!=" ) return ( var.getValue() != Comparand );
nlwarning("(LOGIC)<CLogicComparisonBlock::testLogic> The comparison block operator %s is unknown",Operator.c_str());
return false;
} // testLogic //
//-------------------------------------------------
// serial :
//
//-------------------------------------------------
/*void CLogicComparisonBlock::serial( IStream &f )
{
f.xmlPush("COMPARISON_BLOCK");
f.serial( VariableName );
f.serial( Operator );
f.serial( Comparand );
f.xmlPop();
} // serial //*/
void CLogicComparisonBlock::write (xmlNodePtr node) const
{
xmlNodePtr elmPtr = xmlNewChild ( node, NULL, (const xmlChar*)"COMPARISON_BLOCK", NULL);
xmlSetProp (elmPtr, (const xmlChar*)"VariableName", (const xmlChar*)VariableName.c_str());
xmlSetProp (elmPtr, (const xmlChar*)"Operator", (const xmlChar*)Operator.c_str());
xmlSetProp (elmPtr, (const xmlChar*)"Comparand", (const xmlChar*)toString(Comparand).c_str());
}
void CLogicComparisonBlock::read (xmlNodePtr node)
{
xmlCheckNodeName (node, "COMPARISON_BLOCK");
VariableName = getXMLProp (node, "VariableName");
Operator = getXMLProp (node, "Operator");
Comparand = atoiInt64(getXMLProp (node, "Comparand").c_str());
}
//-------------------------------------------------
// setLogicStateMachine :
//
//-------------------------------------------------
void CLogicConditionLogicBlock::setLogicStateMachine( CLogicStateMachine * logicStateMachine )
{
if( logicStateMachine == 0 )
{
nlwarning("(LOGIC)<CCLogicConditionLogicBlock::setLogicStateMachine> The state machine is null");
}
else
{
// set the state machine of this node
_LogicStateMachine = logicStateMachine;
// set the state machine of the logic block
ComparisonBlock.setLogicStateMachine( logicStateMachine );
}
} // setLogicStateMachine //
//-------------------------------------------------
// testLogic :
//
//-------------------------------------------------
bool CLogicConditionLogicBlock::testLogic()
{
switch( Type )
{
case NOT :
{
return true;
}
break;
case COMPARISON :
{
return ComparisonBlock.testLogic();
}
break;
case SUB_CONDITION :
{
CLogicCondition condition;
if( _LogicStateMachine->getCondition(SubCondition,condition) )
{
return condition.testLogic();
}
else
{
nlwarning("(LOGIC)<CLogicConditionLogicBlock::testLogic> The subcondition \"%s\" is unknown in the state machine \"%s\"",
SubCondition.c_str(),_LogicStateMachine->getName().c_str());
}
}
default :
nlerror("(LOGIC)<CLogicConditionLogicBlock::testLogic> logic block type %d is unknown",Type);
}
return false;
} // testLogic //
//-------------------------------------------------
// fillVarSet :
//
//-------------------------------------------------
void CLogicConditionLogicBlock::fillVarSet( set<string>& condVars )
{
if( Type == COMPARISON )
{
condVars.insert( ComparisonBlock.VariableName );
}
else
{
if( Type == SUB_CONDITION )
{
CLogicCondition condition;
if( _LogicStateMachine->getCondition(SubCondition,condition) )
{
condition.fillVarSet( condVars );
}
}
}
} // fillVarSet //
//-------------------------------------------------
// serial :
//
//-------------------------------------------------
/*void CLogicConditionLogicBlock::serial( IStream &f )
{
f.xmlPush("CONDITION_LOGIC_BLOCK");
f.serialEnum( Type );
switch( Type )
{
case NOT : break;
case COMPARISON :
{
f.serial( ComparisonBlock );
}
break;
case SUB_CONDITION :
{
f.serial( SubCondition );
}
break;
};
f.xmlPop();
};*/
void CLogicConditionLogicBlock::write (xmlNodePtr node) const
{
xmlNodePtr elmPtr = xmlNewChild ( node, NULL, (const xmlChar*)"CONDITION_LOGIC_NODE", NULL);
xmlSetProp (elmPtr, (const xmlChar*)"Type", (const xmlChar*)toString(Type).c_str());
switch( Type )
{
case NOT : break;
case COMPARISON :
{
ComparisonBlock.write(elmPtr);
}
break;
case SUB_CONDITION :
{
xmlSetProp (elmPtr, (const xmlChar*)"SubCondition", (const xmlChar*)SubCondition.c_str());
}
break;
};
}
void CLogicConditionLogicBlock::read (xmlNodePtr node)
{
xmlCheckNodeName (node, "CONDITION_LOGIC_NODE");
Type = (TLogicConditionLogicBlockType)atoi(getXMLProp (node, "Type").c_str());
switch( Type )
{
case NOT : break;
case COMPARISON :
{
ComparisonBlock.read (node);
}
break;
case SUB_CONDITION :
{
SubCondition = getXMLProp (node, "SubCondition");
}
break;
};
}
//-----------------------------------------
//-------------------------------------------------
// setLogicStateMachine :
//
//-------------------------------------------------
void CLogicConditionNode::setLogicStateMachine( CLogicStateMachine * logicStateMachine )
{
if( logicStateMachine == 0 )
{
nlwarning("(LOGIC)<CLogicConditionNode::setLogicStateMachine> The state machine is null");
}
else
{
// set the state machine of this node
_LogicStateMachine = logicStateMachine;
// set the state machine of the logic block
LogicBlock.setLogicStateMachine( logicStateMachine );
// set the state machine for the sub nodes
vector<CLogicConditionNode *>::iterator itNodes;
for( itNodes = _Nodes.begin(); itNodes != _Nodes.end(); ++itNodes )
{
(*itNodes)->setLogicStateMachine( logicStateMachine );
}
}
} // setLogicStateMachine //
//-------------------------------------------------
// addNode :
//
//-------------------------------------------------
void CLogicConditionNode::addNode( CLogicConditionNode * node )
{
node->setLogicStateMachine( _LogicStateMachine );
_Nodes.push_back( node );
} // addToSubNodes //
//-------------------------------------------------
// testLogic :
//
//-------------------------------------------------
bool CLogicConditionNode::testLogic()
{
// test the logic block
if( LogicBlock.testLogic() == false )
{
return false;
}
// if there's no subtree we assess the subtree is true
if( _Nodes.size() == 0 )
{
return true;
}
// test the subtree
if( LogicBlock.isNotBlock() )
{
// the subtree is false if at least one node is true
vector<CLogicConditionNode *>::iterator itNodes;
for( itNodes = _Nodes.begin(); itNodes != _Nodes.end(); ++itNodes )
{
if( (*itNodes)->testLogic() == true )
{
return false;
}
}
return true;
}
else
{
// the subtree is true if at least one node is true
vector<CLogicConditionNode *>::iterator itNodes;
for( itNodes = _Nodes.begin(); itNodes != _Nodes.end(); ++itNodes )
{
if( (*itNodes)->testLogic() == true )
{
return true;
}
}
return false;
}
} // testLogic //
//-------------------------------------------------
// fillVarSet :
//
//-------------------------------------------------
void CLogicConditionNode::fillVarSet( set<string>& condVars )
{
if( Type == LOGIC_NODE )
{
LogicBlock.fillVarSet( condVars );
}
vector<CLogicConditionNode *>::iterator itNode;
for( itNode = _Nodes.begin(); itNode != _Nodes.end(); ++itNode )
{
(*itNode)->fillVarSet( condVars );
}
} // fillVarSet //
//-------------------------------------------------
// serial :
//
//-------------------------------------------------
/*void CLogicConditionNode::serial( IStream &f )
{
f.xmlPush("CONDITION_NODE");
f.serialEnum( Type );
switch( Type )
{
case TERMINATOR : break;
case LOGIC_NODE :
{
f.serial( LogicBlock );
if( f.isReading() )
{
uint32 sz;
f.serial( sz );
uint i;
for( i = 0; i < sz; i++ )
{
CLogicConditionNode * node = new CLogicConditionNode();
f.serial( *node );
_Nodes.push_back( node );
}
}
else
{
uint32 sz = _Nodes.size();
f.serial( sz );
vector<CLogicConditionNode *>::iterator itNode;
for( itNode = _Nodes.begin(); itNode != _Nodes.end(); ++itNode )
{
f.serial( **itNode );
}
}
}
break;
};
f.xmlPop();
} // serial //*/
void CLogicConditionNode::write (xmlNodePtr node) const
{
xmlNodePtr elmPtr = xmlNewChild ( node, NULL, (const xmlChar*)"CONDITION_NODE", NULL);
xmlSetProp (elmPtr, (const xmlChar*)"Type", (const xmlChar*)toString(Type).c_str());
switch( Type )
{
case TERMINATOR : break;
case LOGIC_NODE :
{
LogicBlock.write(elmPtr);
vector<CLogicConditionNode *>::const_iterator itNode = _Nodes.begin();
for( ; itNode != _Nodes.end(); ++itNode )
{
(*itNode)->write(elmPtr);
}
}
break;
};
}
void CLogicConditionNode::read (xmlNodePtr node)
{
xmlCheckNodeName (node, "CONDITION_NODE");
Type = (TConditionNodeType )atoi(getXMLProp (node, "Type").c_str());
switch( Type )
{
case TERMINATOR : break;
case LOGIC_NODE :
{
LogicBlock.read (node);
{
// Count the parent
uint nb = CIXml::countChildren (node, "CONDITION_NODE");
uint i = 0;
xmlNodePtr parent = CIXml::getFirstChildNode (node, "CONDITION_NODE");
while (i<nb)
{
CLogicConditionNode *v = new CLogicConditionNode();
v->read(parent);
_Nodes.push_back (v);
// Next parent
parent = CIXml::getNextChildNode (parent, "CONDITION_NODE");
i++;
}
}
}
break;
};
}
//-------------------------------------------------
// ~CLogicConditionNode :
//
//-------------------------------------------------
CLogicConditionNode::~CLogicConditionNode()
{
vector<CLogicConditionNode *>::iterator itNodes;
for( itNodes = _Nodes.begin(); itNodes != _Nodes.end(); ++itNodes )
{
delete (*itNodes);
}
} // ~CLogicConditionNode //
//-------------------------------------------------
// setLogicStateMachine :
//
//-------------------------------------------------
void CLogicCondition::setLogicStateMachine( CLogicStateMachine * logicStateMachine )
{
if( logicStateMachine == 0 )
{
nlwarning("(LOGIC)<CLogicCondition::setLogicStateMachine> The state machine is null");
}
else
{
// init the logic state machine for each node
vector<CLogicConditionNode>::iterator itNodes;
for( itNodes = Nodes.begin(); itNodes != Nodes.end(); ++itNodes )
{
(*itNodes).setLogicStateMachine( logicStateMachine );
}
}
} // setLogicStateMachine //
//-------------------------------------------------
// testLogic :
//
//-------------------------------------------------
bool CLogicCondition::testLogic()
{
vector<CLogicConditionNode>::iterator itNodes;
for( itNodes = Nodes.begin(); itNodes != Nodes.end(); ++itNodes )
{
if( (*itNodes).testLogic() == false )
{
return false;
}
}
return true;
} // testLogic //
//-------------------------------------------------
// fillVarSet :
//
//-------------------------------------------------
void CLogicCondition::fillVarSet( set<string>& condVars )
{
vector<CLogicConditionNode>::iterator itNode;
for( itNode = Nodes.begin(); itNode != Nodes.end(); ++itNode )
{
(*itNode).fillVarSet( condVars );
}
} // fillVarSet //
//-------------------------------------------------
// serial :
//
//-------------------------------------------------
/*void CLogicCondition::serial( IStream &f )
{
f.xmlPush("CONDITION");
f.serial( _ConditionName );
f.serialCont( Nodes );
f.xmlPop();
} // serial //*/
void CLogicCondition::write (xmlNodePtr node) const
{
xmlNodePtr elmPtr = xmlNewChild ( node, NULL, (const xmlChar*)"CONDITION", NULL);
xmlSetProp (elmPtr, (const xmlChar*)"Name", (const xmlChar*)_ConditionName.c_str());
uint i;
for (i = 0; i < Nodes.size(); i++)
{
Nodes[i].write(elmPtr);
}
}
void CLogicCondition::read (xmlNodePtr node)
{
xmlCheckNodeName (node, "CONDITION");
_ConditionName = getXMLProp (node, "Name");
{
// Count the parent
uint nb = CIXml::countChildren (node, "CONDITION_NODE");
uint i = 0;
xmlNodePtr parent = CIXml::getFirstChildNode (node, "CONDITION_NODE");
while (i<nb)
{
CLogicConditionNode v;
v.read(parent);
Nodes.push_back (v);
// Next parent
parent = CIXml::getNextChildNode (parent, "CONDITION_NODE");
i++;
}
}
}
} // NLLOGIC
</PRE>
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