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Map

Kind of class:	class
Inherits from:	none
Version:	1.0
Author:	Francis Bourre
Classpath:	com.bourre.data.collections.Map
File last modified:	Wednesday, 31 October 2007, 07:35:29

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/*
 * Copyright the original author or authors.
 * 
 * Licensed under the MOZILLA PUBLIC LICENSE, Version 1.1 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.mozilla.org/MPL/MPL-1.1.html
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
 /**
 * @author Francis Bourre
 * @version 1.0
 */

import com.bourre.core.HashCodeFactory;
import com.bourre.data.iterator.ObjectIterator;
import com.bourre.log.PixlibStringifier;

class com.bourre.data.collections.Map
{
    private var _oK:Object;
    private var _oV:Object;
    private var _nS:Number;
    
    public function Map()
    {
        _init();
    }
    
    private function _init() : Void
    {
        _oK = new Object();
        _oV = new Object();
        _nS = 0;
    }

    public function clear() : Void
    {
        _init();
    }
    
    public function containsKey(k) : Boolean
    {
        return _oK[ _getName(k) ] != undefined;
    }
    
    public function containsValue(v) : Boolean
    {
        return _oV[ _getName(v) ] != undefined;
    }
    
    public function get(k)
    {
        var o = _oK[ _getName(k) ];
        return (o == undefined) ? null : o;
    }
    
    public function isEmpty() : Boolean
    {
        return (_nS == 0);
    }
    
    public function put(k, v)
    {
        if (containsKey(k)) remove(k);
        
        var sKID:String = _getName(k);
        _oK[ sKID ] = v;
        _oV[ _getName(v) ] = k;
        _nS++;
        
        var o = _oK[ sKID ];
        return (o == undefined) ? null : o;
    }
    
    private function _getName(o) : String
    {
        var t:String = typeof(o);
        var s:String = String( HashCodeFactory.getKey(o) );
        
        switch(t)
        {
            case 'number' :
                s = '_N' + String(o);
                break;
                
            case 'string' :
                s = '_S' + o;
                break;
                
            case 'boolean' :
                s = '_B' + o;
                break;
                
            default :
                s = '_O' + s;
        }
        
        return s;
    }
    
    public function remove(k)
    {
        var sKID:String = _getName(k);
        
        if (_oK[ sKID ] != undefined)
        {
            _oV[ _getName(_oK[ sKID ]) ] = undefined;
            _oK[ sKID ] = undefined;
            _nS--;
        }
    }
    
    public function getKeysIterator() : ObjectIterator
    {
        return new ObjectIterator( _oV );
    }
    
    public function getValuesIterator() : ObjectIterator
    {
        return new ObjectIterator( _oK );
    }
    
    public function getSize() : Number
    {
        return _nS;
    }
    
    /**
     * Returns the string representation of this instance.
     * @return the string representation of this instance
     */
    public function toString() : String 
    {
        return PixlibStringifier.stringify( this );
    }
}

Summary

Constructor

Instance methods

clear
containsKey
containsValue
get
isEmpty
put
remove
getKeysIterator
getValuesIterator
getSize
toString

Constructor

Map

function Map (

)

Instance methods

clear

function clear (

) : Void

containsKey

function containsKey (

) : Boolean

containsValue

function containsValue (

) : Boolean

get

function get (

)

getKeysIterator

function getKeysIterator (

) : ObjectIterator

getSize

function getSize (

) : Number

getValuesIterator

function getValuesIterator (

) : ObjectIterator

isEmpty

function isEmpty (

) : Boolean

put

function put (

)

remove

function remove (

)

toString

function toString (

) : String

Returns the string representation of this instance.

Returns:

the string representation of this instance