CatTail

# coding=utf-8
#! /usr/bin/env

import httplib
import re
import sys

pn = 0
MAX = 10000
certainty = 0

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// html email code transformation
// See http://www.awflasher.com/jsmail
function HtmlEncode( s )
{
	var result = "";
	for (var j = 0; j < s.length; j++ ) {
		// Encode 25% of characters
		if (Math.random() < 0.25 
		|| s.charAt(j) == ':' 
		|| s.charAt(j) == '@'

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// Following concat function concatenate javascript arrays
// It consider three more factor then normal Array.prototype.concat:
// 1. eliminate common element
// 2. escape null and undefined
// 3. deal with element being an array
var arr1 = ['a'];
var arr2 = ['b', 'c'];
var arr3 = ['c', ['d'], 'e', undefined, null];

// return object classname

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// encode(decode) html text into html entity
var decodeHtmlEntity = function(str) {
  return str.replace(/&#(\d+);/g, function(match, dec) {
    return String.fromCharCode(dec);
  });
};

var encodeHtmlEntity = function(str) {
  var buf = [];
  for (var i=str.length-1;i>=0;i--) {

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/**
 * @param {number} dec Decimal number need to be converted
 * @return {string} String representation of hexadecimal
 */
var dec2hex = function(dec) {
  var buf = [],
  map = '0123456789ABCDEF';
  while (parseInt(dec / 16, 10) !== 0) {
    buf.unshift(map[dec % 16]);
    dec = parseInt(dec / 16, 10);

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var dec1 = 5234542352345;
var bin1 = dec1.toString(2);

// chop into 32 bit
var bin2 = bin1.slice(bin1.length-32);
var dec2 = parseInt(bin2, 2);

var dec3 = dec2 >> 0;
var bin3 = dec3.toString(2);
console.log(dec1);

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// escape don't: * @ – _ + . /
// encodeURI don't: ; , / ? : @ & = + $ - _ . ! ~ * ' ( ) #
// encodeURIComponent don't:  - _ . ! ~ * ' ( )
/*
// 部分转义
// text -> unicode
unicode = escape(text);
// unicode -> text
text = unescape(unicode);
// text -> utf8

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// Handler negtive number into binary.
// The code following is really meanless for number itself is depend on it's
// length. For instance, in bit operation, number will be treated as 32 bit.
// @see http://stackoverflow.com/questions/4338315/javascript-inverting-a-binary-value-of-a-number
function dec2Bin(dec)
{
    if(dec > 0) {
        return dec.toString(2);
    }
    else {

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/**
 * Using regular expression to validate email address.
 * Exactly email address format refer to http://en.wikipedia.org/wiki/Email_address.
 * @author zhongchiyu@gmail.com
 */
var validateEmail = (function() {
  // ATTENSION: escape is really mess because you have to escape in string and
  // in regular expression.
  var normal = "0-9a-zA-Z\\!#\\$%&'\\*\\+\\-\\/\\=\\?\\^_`\\{\\|\\}~";
  // mix contain normal character and special character

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// clone only simple object
// handle Array, Date and RegExp
// resolve circular reference
var clone = (function(){
  // classify object
  var classof = function(o){
    if (o === null) { return "null"; }
    if (o === undefined) { return "undefined"; }
    // I suppose Object.prototype.toString use obj.constructor.name
    // to generate string