Base 58 encode (used for flic.kr short urls) - ActionScript 3 Snipplr Social Repository

Revision: 30609

at August 18, 2010 10:31 by ninjaparade

Updated Code

/*
 Function used to return flickr short url from a photo id.
 example of usage
 var shortFlickrURL:String = 'www.flic.kr/p/' + Base58Encoder.encode(Number('4725679319') );
/// returns www.flic.kr/p/8cAkPD
/// short url for this full url http://www.flickr.com/photos/ninjaparade/4725679319/


*/

package {

	/**
	 * @author ninjaparade
	 */
	public class Base58Encoder {

		
		public static function encode( num : Number ) : String
		{
		var alphabet : String = '123456789abcdefghijkmnopqrstuvwxyzABCDEFGHJKLMNPQRSTUVWXYZ' ;
			var base_count : int = alphabet.length;
			var encode : String = "";
			while(num >= base_count) {
				var div : int = num / base_count;
				var mod : int = (num - base_count * Math.round(div) );
				encode = alphabet.charAt(mod) + encode;
				num = Math.round(div);
			}

			if(num) 
			{
				encode = alphabet.charAt(num) + encode;
			}
			return encode;
		}
	}
}

Revision: 30608

at August 18, 2010 07:53 by ninjaparade

Updated Code

/*
 Function used to return flickr short url from a photo id.
 example of usage
 var shortFlickrURL:String = 'www.flic.kr/p/' + Base58Encoder.encode('4725679319');
/// returns www.flic.kr/p/8cAkPD
/// short url for this full url http://www.flickr.com/photos/ninjaparade/4725679319/


*/

package {

	/**
	 * @author ninjaparade
	 */
	public class Base58Encoder {

		
		public static function encode( num : Number ) : String
		{
		var alphabet : String = '123456789abcdefghijkmnopqrstuvwxyzABCDEFGHJKLMNPQRSTUVWXYZ' ;
			var base_count : int = alphabet.length;
			var encode : String = "";
			while(num >= base_count) {
				var div : int = num / base_count;
				var mod : int = (num - base_count * Math.round(div) );
				encode = alphabet.charAt(mod) + encode;
				num = Math.round(div);
			}

			if(num) 
			{
				encode = alphabet.charAt(num) + encode;
			}
			return encode;
		}
	}
}

Revision: 30607

at August 18, 2010 07:51 by ninjaparade

Updated Code

/*
 Function used to return flickr short url from a photo id.
 example of usage
 var shortFlickrURL:String = Base58Encoder.encode('4725679319');
/// returns www.flic.kr/p/8cAkPD
/// short url for this full url http://www.flickr.com/photos/ninjaparade/4725679319/


*/

package {

	/**
	 * @author ninjaparade
	 */
	public class Base58Encoder {

		
		public static function encode( num : Number ) : String
		{
		var alphabet : String = '123456789abcdefghijkmnopqrstuvwxyzABCDEFGHJKLMNPQRSTUVWXYZ' ;
			var base_count : int = alphabet.length;
			var encode : String = "";
			while(num >= base_count) {
				var div : int = num / base_count;
				var mod : int = (num - base_count * Math.round(div) );
				encode = alphabet.charAt(mod) + encode;
				num = Math.round(div);
			}

			if(num) 
			{
				encode = alphabet.charAt(num) + encode;
			}
			return encode;
		}
	}
}

Revision: 30606

at August 18, 2010 03:37 by ninjaparade

Updated Code

/*
 Function used to return flickr short url from a photo id.
 example of usage
 var shortFlickrURL:String = Base58Encoder.encode('4725679319');
/// returns www.flic.kr/p/8cAkPD
/// short url for this full url http://www.flickr.com/photos/ninjaparade/4725679319/


*/

package {

	/**
	 * @author ninjaparade
	 */
	public class Base58Encoder {

		
		public static function encode( num : Number ) : String
		{
			var alphabet : String = '123456789abcdefghijkmnopqrstuvwxyzABCDEFGHJKLMNPQRSTUVWXYZ' ;
			var base_count : int = alphabet.length;
			var encode : String = "";
			while(num >= base_count) {
				var div : int = num / base_count;
				var mod : int = (num - base_count * Math.round(div) );
				encode = alphabet.charAt(mod) + encode;
				num = Math.round(div);
			}

			if(num) 
			{
				encode = alphabet.charAt(num) + encode;
			}
			return 'www.flic.kr/p/' + encode;
		}
	}
}

Revision: 30605

at August 18, 2010 03:35 by ninjaparade

Updated Code

package {

	/**
	 * @author ninjaparade
	 */
	public class Base58Encoder {

		
		public static function encode( num : Number ) : String
		{
			var alphabet : String = '123456789abcdefghijkmnopqrstuvwxyzABCDEFGHJKLMNPQRSTUVWXYZ' ;
			var base_count : int = alphabet.length;
			var encode : String = "";
			while(num >= base_count) {
				var div : int = num / base_count;
				var mod : int = (num - base_count * Math.round(div) );
				encode = alphabet.charAt(mod) + encode;
				num = Math.round(div);
			}

			if(num) 
			{
				encode = alphabet.charAt(num) + encode;
			}
			return 'www.flic.kr/p/' + encode;
		}
	}
}

Revision: 30604

at August 18, 2010 03:30 by ninjaparade

Updated Code

package com.ninjaparade.util
{

/**
* @author Ninjaparade
*/
public class Base58Encoder
{

public static function encode( num : Number ) : String
{
var alphabet : String = '123456789abcdefghijkmnopqrstuvwxyzABCDEFGHJKLMNPQRSTUVWXYZ' ;
var base_count : int = alphabet.length;
var encode : String = "";
while(num &gt;= base_count) {
var div : int = num / base_count;
var mod : int = (num - base_count * Math.round(div) );
encode = alphabet.charAt(mod) + encode;
num = Math.round(div);
}

if(num) {
encode = alphabet.charAt(num) + encode;
}

return 'www.flic.kr/p/' + encode;
}
}
}

Revision: 30603

at August 18, 2010 03:25 by ninjaparade

Initial Code

public static function base58_decode( num : Number ) : String
		{
			var alphabet : String = '123456789abcdefghijkmnopqrstuvwxyzABCDEFGHJKLMNPQRSTUVWXYZ' ;
			var base_count:int = alphabet.length;
			var encode:String = "";
			while(num >= base_count)
			{
				var div : int = num / base_count;
				var mod: int = (num - base_count * Math.round(div) );
				encode = alphabet.charAt(mod) + encode;
				num = Math.round(div);
			}
					
			if(num)
			{
				encode = alphabet.charAt(num) + encode;
			}
			
			return 'www.flic.kr/p/'+ encode;
		}

Initial URL

Initial Description

base 58 encoding in AS3 used to create a short url for flickr (flic.kr/p/) from a photo id. Function requires the flickr photo id to be passed in cast as a Number. Example below

Initial Title

Base 58 encode (used for flic.kr short urls)

Initial Tags

Initial Language

ActionScript 3

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