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StateTransitionTable.cpp
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StateTransitionTable.cpp
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#include "StateTransitionTable.h"
#include <assert.h>
StateTransitionTable::StateTransitionTable( const int inNumStates, const int inNumColours )
: m_numState(0)
, m_numColour(0)
, m_operations(0)
{
// Check input params
assert( inNumStates > 0 && inNumColours > 0 );
if ( inNumStates > 0 && inNumColours > 0 )
{
// Set number of states and colours
m_numState = inNumStates;
m_numColour = inNumColours;
// Allocate table. For each state a list of Operation for each colour index
m_operations = new Operation*[ m_numState ];
assert( m_operations );
if ( m_operations )
{
for ( int state = 0; state < m_numState; state++ )
{
m_operations[ state ] = new Operation[ m_numColour ];
assert( m_operations[ state ] );
}
}
}
}
StateTransitionTable::~StateTransitionTable(void)
{
if ( m_operations )
{
for ( int state = 0; state < m_numState; state++ )
{
delete [] m_operations[ state ];
}
delete [] m_operations;
}
}
const Operation& StateTransitionTable::GetOperation(const int inState, const int inColour ) const
{
assert( m_operations );
if ( m_operations )
{
assert( inState >= 0 && inState < m_numState );
assert( inColour >= 0 && inColour < m_numColour );
if ( inState >= 0 && inState < m_numState && inColour >= 0 && inColour < m_numColour )
{
return m_operations[ inState ][ inColour ];
}
}
return m_invalidOperation;
}
bool StateTransitionTable::SetOperation( const State inState, const ColourIndex inColour, const Operation& inOperation )
{
assert( m_operations );
if ( m_operations )
{
assert( inState >= 0 && inState < m_numState );
assert( inColour >= 0 && inColour < m_numColour );
if ( inState >= 0 && inState < m_numState && inColour >= 0 && inColour < m_numColour )
{
m_operations[ inState ][ inColour ] = inOperation;
return true;
}
}
return false;
}