/*
 * Copyright 1999-2009 Jeremy Friesner
 * Copyright 2009 Haiku, Inc. All rights reserved.
 * Distributed under the terms of the MIT License.
 *
 * Authors:
 *              Jeremy Friesner
 */


#include "MetaKeyStateMap.h"


#include <stdio.h>
#include <string.h>


#include "BitFieldTesters.h"


MetaKeyStateMap::MetaKeyStateMap()
        :
        fKeyName(NULL)
{
        // User MUST call SetInfo() before using!
}


MetaKeyStateMap::MetaKeyStateMap(const char* name)
{
        SetInfo(name);
}


void
MetaKeyStateMap::SetInfo(const char* keyName)
{
        fKeyName = new char[strlen(keyName) + 1];
        strcpy(fKeyName, keyName);
}


MetaKeyStateMap::~MetaKeyStateMap()
{
        delete [] fKeyName;
        int nr = fStateDescs.CountItems();
        for (int i = 0; i < nr; i++) 
                delete [] ((const char*) fStateDescs.ItemAt(i));
        
        nr = fStateTesters.CountItems();
        for (int j = 0; j < nr; j++) 
                delete ((BitFieldTester*) fStateTesters.ItemAt(j));
        // _stateBits are stored in-line, no need to delete them
}


void
MetaKeyStateMap::AddState(const char* d, const BitFieldTester* t)
{
        char* copy = new char[strlen(d) + 1];
        strcpy(copy, d);
        fStateDescs.AddItem(copy);
        fStateTesters.AddItem((void *)t);
}


int
MetaKeyStateMap::GetNumStates() const
{
        return fStateTesters.CountItems();
}


const BitFieldTester*
MetaKeyStateMap::GetNthStateTester(int stateNum) const
{
        return ((const BitFieldTester*) fStateTesters.ItemAt(stateNum));
}


const char*
MetaKeyStateMap::GetNthStateDesc(int stateNum) const
{
        return ((const char*) fStateDescs.ItemAt(stateNum));
}


const char*
MetaKeyStateMap::GetName() const
{
        return fKeyName;
}