Usuario:Dvicedova/monobook.js
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//<nowiki>
/* <pre><nowiki>
This is a copy of InstaView for use in other applications like [[User:Cacycle/wikEd|wikEd]].
Changes made:
The "Script to embed InstaView in MediaWiki's edit page" has been commented out
added: // get values from MediaWiki global variables (Cacycle)
Installation:
if (typeof(InstaView) != 'object')) {
var script = document.createElement('script');
script.type = 'text/javascript';
script.src = 'http://en.wikipedia.org/w/index.php?title=User:Pilaf/dev/instaview.js&action=raw&ctype=text/javascript&dontcountme=s';
document.getElementsByTagName('head')[0].appendChild(script);
}
*/
// Last update: 18:53, 24 February 2006 (UTC)
var BotonLive = 'Live Preview';
var BotonClean = 'Clean LP';
var BotonSave = 'Save page';
var BotonPreview = 'Show preview';
var BotonDiff = 'Show changes';
// Script to embed InstaView in MediaWiki's edit page
$(function(){
if (typeof ms_Activa_Livepreview == 'undefined') { ms_Activa_Livepreview = true;}
if (!msActivarModulo(ms_Activa_Livepreview)) return;
if (document.getElementById("PreviewBox")) return;
var btn_save = document.getElementById('wpSave');
var btn_preview = document.getElementById('wpPreview');
var btn_diff = document.getElementById('wpDiff');
if (btn_save) btn_save.value = msStringU(BotonSave);
if (btn_preview) btn_preview.value = msStringU(BotonPreview);
if (btn_diff) {
btn_diff.value = msStringU(BotonDiff);
cleaner = "<br style=\\'clear:both;\\' />";
var siguiente = btn_diff.nextSibling;
var parent = btn_diff.parentNode;
// así que meto el código a saco dentro de un "em" (con un div el botón se va a la línea siguiente)
var LivePreviewButton = document.createElement("em");
LivePreviewButton.innerHTML = '<input id="wpLivepreview" type="button" value="'+ msStringU(BotonLive) + '" onclick="Intermedio()+ \'' + cleaner + '\';" />';
LivePreviewButton.style.margin = "0 .5em 0 0";
if (siguiente) parent.insertBefore(LivePreviewButton, siguiente);
else parent.appendChild(LivePreviewButton);
var LivePreviewClear = document.createElement("em");
LivePreviewClear.innerHTML = '<input id="wpCleanLP" type="button" value="'+ msStringU(BotonClean) + '" onclick="document.getElementById(\'PreviewBox\').innerHTML = \'\';" />';
LivePreviewClear.style.margin = "0 .5em 0 0";
if (siguiente) parent.insertBefore(LivePreviewClear, siguiente);
else parent.appendChild(LivePreviewClear);
var LivePreviewForm = document.createElement("div");
LivePreviewForm.style.margin = "5px 0 5px 0";
LivePreviewForm.style.padding = "5px";
LivePreviewForm.style.border = "3px double orange";
LivePreviewForm.id="PreviewBox";
if (siguiente) parent.insertBefore(LivePreviewForm, siguiente);
else parent.appendChild(LivePreviewForm);
}
});
function Intermedio()
{ InstaView.dump('wpTextbox1', 'PreviewBox'); }
/*
* InstaView - a Mediawiki to HTML converter in JavaScript
* Version 0.6.1
* Copyright (C) Pedro Fayolle 2005-2006
* http://en.wikipedia.org/wiki/User:Pilaf
* Distributed under the BSD license
*
* Changelog:
*
* 0.6.1
* - Fixed problem caused by \r characters
* - Improved inline formatting parser
*
* 0.6
* - Changed name to InstaView
* - Some major code reorganizations and factored out some common functions
* - Handled conversion of relative links (i.e. [[/foo]])
* - Fixed misrendering of adjacent definition list items
* - Fixed bug in table headings handling
* - Changed date format in signatures to reflect Mediawiki's
* - Fixed handling of [[:Image:...]]
* - Updated MD5 function (hopefully it will work with UTF-8)
* - Fixed bug in handling of links inside images
*
* To do:
* - Better support for <math>
* - Full support for <nowiki>
* - Parser-based (as opposed to RegExp-based) inline wikicode handling (make it one-pass and bullet-proof)
* - Support for templates (through AJAX)
* - Support for coloured links (AJAX)
*/
var InstaView = {}
// options
InstaView.conf =
{
user: {},
wiki: {
lang: 'en',
interwiki: 'ab|aa|af|ak|sq|als|am|ang|ar|an|arc|hy|roa-rup|as|ast|av|ay|az|bm|ba|eu|be|bn|bh|bi|bs|br|bg|my|ca|ch|ce|chr|chy|ny|zh|zh-tw|zh-cn|cho|cv|kw|co|cr|hr|cs|da|dv|nl|dz|en|eo|et|ee|fo|fj|fi|fr|fy|ff|gl|ka|de|got|el|kl|gn|gu|ht|ha|haw|he|hz|hi|ho|hu|is|io|ig|id|ia|ie|iu|ik|ga|it|ja|jv|kn|kr|csb|ks|kk|km|ki|rw|rn|tlh|kv|kg|ko|kj|ku|ky|lo|la|lv|li|ln|lt|jbo|nds|lg|lb|mk|mg|ms|ml|mt|gv|mi|minnan|mr|mh|zh-min-nan|mo|mn|mus|nah|na|nv|ne|se|no|nn|oc|or|om|pi|fa|pl|pt|pa|ps|qu|ro|rm|ru|sm|sg|sa|sc|gd|sr|sh|st|tn|sn|scn|simple|sd|si|sk|sl|so|st|es|su|sw|ss|sv|tl|ty|tg|ta|tt|te|th|bo|ti|tpi|to|tokipona|ts|tum|tr|tk|tw|uk|ur|ug|uz|ve|vi|vo|wa|cy|wo|xh|ii|yi|yo|za|zu',
default_thumb_width: 180
},
paths: {
articles: '/wiki/',
math: '/math/',
images: '',
images_fallback: 'http://upload.wikimedia.org/wikipedia/commons/',
magnify_icon: 'skins/common/images/magnify-clip.png'
},
locale: {
user: 'User',
image: 'Image',
category: 'Category',
months: ['Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec']
}
}
// get values from MediaWiki global variables (Cacycle)
if (typeof(wgArticlePath != 'undefined')) { InstaView.conf.paths.articles = wgArticlePath.replace(/$1/, ''); }
if (typeof(wgContentLanguage != 'undefined')) { InstaView.conf.wiki.lang = wgContentLanguage; }
// options with default values or backreferences
with (InstaView.conf) {
user.name = user.name || 'Wikipedian'
user.signature = '[['+locale.user+':'+user.name+'|'+user.name+']]'
paths.images = 'http://upload.wikimedia.org/wikipedia/' + wiki.lang + '/'
}
// define constants
InstaView.BLOCK_IMAGE = new RegExp('^\\[\\['+InstaView.conf.locale.image+':.*?\\|.*?(?:frame|thumbnail|thumb|none|right|left|center)', 'i');
InstaView.dump = function(from, to)
{
if (typeof from == 'string') from = document.getElementById(from)
if (typeof to == 'string') to = document.getElementById(to)
to.innerHTML = this.convert(from.value)
}
InstaView.convert = function(wiki)
{
var ll = (typeof wiki == 'string')? wiki.replace(/\r/g,'').split(/\n/): wiki, // lines of wikicode
o='', // output
p=0, // para flag
$r // result of passing a regexp to $()
// some shorthands
function remain() { return ll.length }
function sh() { return ll.shift() } // shift
function ps(s) { o+=s } // push
function f() // similar to C's printf, uses ? as placeholders, ?? to escape question marks
{
var i=1,a=arguments,f=a[0],o='',c,p
for (;i<a.length; i++) if ((p=f.indexOf('?'))+1) {
// allow character escaping
i -= c=f.charAt(p+1)=='?'?1:0
o += f.substring(0,p)+(c?'?':a[i])
f=f.substr(p+1+c)
} else break;
return o+f
}
function html_entities(s) { return s.replace(/&/g,"&").replace(/</g,"<").replace(/>/g,">") }
function max(a,b) { return (a>b)?a:b }
function min(a,b) { return (a<b)?a:b }
// return the first non matching character position between two strings
function str_imatch(a, b)
{
for (var i=0, l=min(a.length, b.length); i<l; i++) if (a.charAt(i)!=b.charAt(i)) break
return i
}
// compare current line against a string or regexp
// if passed a string it will compare only the first string.length characters
// if passed a regexp the result is stored in $r
function $(c) { return (typeof c == 'string') ? (ll[0].substr(0,c.length)==c) : ($r = ll[0].match(c)) }
function $$(c) { return ll[0]==c } // compare current line against a string
function _(p) { return ll[0].charAt(p) } // return char at pos p
function endl(s) { ps(s); sh() }
function parse_list()
{
var prev='';
while (remain() && $(/^([*#:;]+)(.*)$/)) {
var l_match = $r
sh()
var ipos = str_imatch(prev, l_match[1])
// close uncontinued lists
for (var i=prev.length-1; i >= ipos; i--) {
var pi = prev.charAt(i)
if (pi=='*') ps('</ul>')
else if (pi=='#') ps('</ol>')
// close a dl only if the new item is not a dl item (:, ; or empty)
else switch (l_match[1].charAt(i)) { case'':case'*':case'#': ps('</dl>') }
}
// open new lists
for (var i=ipos; i<l_match[1].length; i++) {
var li = l_match[1].charAt(i)
if (li=='*') ps('<ul>')
else if (li=='#') ps('<ol>')
// open a new dl only if the prev item is not a dl item (:, ; or empty)
else switch(prev.charAt(i)) { case'':case'*':case'#': ps('<dl>') }
}
switch (l_match[1].charAt(l_match[1].length-1)) {
case '*': case '#':
ps('<li>' + parse_inline_nowiki(l_match[2])); break
case ';':
ps('<dt>')
var dt_match
// handle ;dt :dd format
if (dt_match = l_match[2].match(/(.*?) (:.*?)$/)) {
ps(parse_inline_nowiki(dt_match[1]))
ll.unshift(dt_match[2])
} else ps(parse_inline_nowiki(l_match[2]))
break
case ':':
ps('<dd>' + parse_inline_nowiki(l_match[2]))
}
prev=l_match[1]
}
// close remaining lists
for (var i=prev.length-1; i>=0; i--)
ps(f('</?>', (prev.charAt(i)=='*')? 'ul': ((prev.charAt(i)=='#')? 'ol': 'dl')))
}
function parse_table()
{
endl(f('<table?>', $(/^\{\|( .*)$/)? $r[1]: ''))
for (;remain();) if ($('|')) switch (_(1)) {
case '}': endl('</table>'); return
case '-': endl(f('<tr ?>', $(/\|-*(.*)/)[1])); break
default: parse_table_data()
}
else if ($('!')) parse_table_data()
else sh()
}
function parse_table_data()
{
var td_line, match_i
// 1: "|+", '|' or '+'
// 2: ??
// 3: attributes ??
// TODO: finish commenting this regexp
var td_match = sh().match(/^(\|\+|\||!)((?:([^[|]*?)\|(?!\|))?(.*))$/)
if (td_match[1] == '|+') ps('<caption');
else ps('<t' + ((td_match[1]=='|')?'d':'h'))
if (typeof td_match[3] != 'undefined') {
ps(' ' + td_match[3])
match_i = 4
} else match_i = 2
ps('>')
if (td_match[1] != '|+') {
// use || or !! as a cell separator depending on context
// NOTE: when split() is passed a regexp make sure to use non-capturing brackets
td_line = td_match[match_i].split((td_match[1] == '|')? '||': /(?:\|\||!!)/)
ps(parse_inline_nowiki(td_line.shift()))
while (td_line.length) ll.unshift(td_match[1] + td_line.pop())
} else ps(td_match[match_i])
var tc = 0, td = []
for (;remain(); td.push(sh()))
if ($('|')) {
if (!tc) break // we're at the outer-most level (no nested tables), skip to td parse
else if (_(1)=='}') tc--
}
else if (!tc && $('!')) break
else if ($('{|')) tc++
if (td.length) ps(InstaView.convert(td))
}
function parse_pre()
{
ps('<pre>')
do endl(parse_inline_nowiki(ll[0].substring(1)) + "\n"); while (remain() && $(' '))
ps('</pre>')
}
function parse_block_image()
{
ps(parse_image(sh()))
}
function parse_image(str)
{
// get what's in between "[[Image:" and "]]"
var tag = str.substring(InstaView.conf.locale.image.length + 3, str.length - 2);
var width;
var attr = [], filename, caption = '';
var thumb=0, frame=0, center=0;
var align='';
if (tag.match(/\|/)) {
// manage nested links
var nesting = 0;
var last_attr;
for (var i = tag.length-1; i > 0; i--) {
if (tag.charAt(i) == '|' && !nesting) {
last_attr = tag.substr(i+1);
tag = tag.substring(0, i);
break;
} else switch (tag.substr(i-1, 2)) {
case ']]':
nesting++;
i--;
break;
case '[[':
nesting--;
i--;
}
}
attr = tag.split(/\s*\|\s*/);
attr.push(last_attr);
filename = attr.shift();
var w_match;
for (;attr.length; attr.shift())
if (w_match = attr[0].match(/^(\d*)px$/)) width = w_match[1]
else switch(attr[0]) {
case 'thumb':
case 'thumbnail':
thumb=true;
case 'frame':
frame=true;
break;
case 'none':
case 'right':
case 'left':
center=false;
align=attr[0];
break;
case 'center':
center=true;
align='none';
break;
default:
if (attr.length == 1) caption = attr[0];
}
} else filename = tag;
var o='';
if (frame) {
if (align=='') align = 'right';
o += f("<div class='thumb t?'>", align);
if (thumb) {
if (!width) width = InstaView.conf.wiki.default_thumb_width;
o += f("<div style='width:?px;'>?", 2+width*1, make_image(filename, caption, width)) +
f("<div class='thumbcaption'><div class='magnify' style='float:right'><a href='?' class='internal' title='Enlarge'><img src='?'></a></div>?</div>",
InstaView.conf.paths.articles + InstaView.conf.locale.image + ':' + filename,
InstaView.conf.paths.magnify_icon,
parse_inline_nowiki(caption)
)
} else {
o += '<div>' + make_image(filename, caption) + f("<div class='thumbcaption'>?</div>", parse_inline_nowiki(caption))
}
o += '</div></div>';
} else if (align != '') {
o += f("<div class='float?'><span>?</span></div>", align, make_image(filename, caption, width));
} else {
return make_image(filename, caption, width);
}
return center? f("<div class='center'>?</div>", o): o;
}
function parse_inline_nowiki(str)
{
var start, lastend=0
var substart=0, nestlev=0, open, close, subloop;
var html='';
while (-1 != (start = str.indexOf('<nowiki>', substart))) {
html += parse_inline_wiki(str.substring(lastend, start));
start += 8;
substart = start;
subloop = true;
do {
open = str.indexOf('<nowiki>', substart);
close = str.indexOf('</nowiki>', substart);
if (close<=open || open==-1) {
if (close==-1) {
return html + html_entities(str.substr(start));
}
substart = close+9;
if (nestlev) {
nestlev--;
} else {
lastend = substart;
html += html_entities(str.substring(start, lastend-9));
subloop = false;
}
} else {
substart = open+8;
nestlev++;
}
} while (subloop)
}
return html + parse_inline_wiki(str.substr(lastend));
}
function make_image(filename, caption, width)
{
// uppercase first letter in file name
filename = filename.charAt(0).toUpperCase() + filename.substr(1);
// replace spaces with underscores
filename = filename.replace(/ /g, '_');
caption = strip_inline_wiki(caption);
var md5 = hex_md5(filename);
var source = md5.charAt(0) + '/' + md5.substr(0,2) + '/' + filename;
if (width) width = "width='" + width + "px'";
var img = f("<img onerror=\"this.onerror=null;this.src='?'\" src='?' ? ?>", InstaView.conf.paths.images_fallback + source, InstaView.conf.paths.images + source, (caption!='')? "alt='" + caption + "'" : '', width);
return f("<a class='image' ? href='?'>?</a>", (caption!='')? "title='" + caption + "'" : '', InstaView.conf.paths.articles + InstaView.conf.locale.image + ':' + filename, img);
}
function parse_inline_images(str)
{
var start, substart=0, nestlev=0;
var loop, close, open, wiki, html;
while (-1 != (start=str.indexOf('[[', substart))) {
if(str.substr(start+2).match(RegExp('^' + InstaView.conf.locale.image + ':','i'))) {
loop=true;
substart=start;
do {
substart+=2;
close=str.indexOf(']]',substart);
open=str.indexOf('[[',substart);
if (close<=open||open==-1) {
if (close==-1) return str;
substart=close;
if (nestlev) {
nestlev--;
} else {
wiki=str.substring(start,close+2);
html=parse_image(wiki);
str=str.replace(wiki,html);
substart=start+html.length;
loop=false;
}
} else {
substart=open;
nestlev++;
}
} while (loop)
} else break;
}
return str;
}
// the output of this function doesn't respect the FILO structure of HTML
// but since most browsers can handle it I'll save myself the hassle
function parse_inline_formatting(str)
{
var em,st,i,li,o='';
while ((i=str.indexOf("''",li))+1) {
o += str.substring(li,i);
li=i+2;
if (str.charAt(i+2)=="'") {
li++;
st=!st;
o+=st?'<strong>':'</strong>';
} else {
em=!em;
o+=em?'<em>':'</em>';
}
}
return o+str.substr(li);
}
function parse_inline_wiki(str)
{
var aux_match;
str = parse_inline_images(str);
str = parse_inline_formatting(str);
// math
while (aux_match = str.match(/<(?:)math>(.*?)<\/math>/i)) {
var math_md5 = hex_md5(aux_match[1]);
str = str.replace(aux_match[0], f("<img src='?.png'>", InstaView.conf.paths.math+math_md5));
}
// Build a Mediawiki-formatted date string
var date = new Date;
var minutes = date.getUTCMinutes();
if (minutes < 10) minutes = '0' + minutes;
var date = f("?:?, ? ? ? (UTC)", date.getUTCHours(), minutes, date.getUTCDate(), InstaView.conf.locale.months[date.getUTCMonth()], date.getUTCFullYear());
// text formatting
return str.
// signatures
replace(/~{5}(?!~)/g, date).
replace(/~{4}(?!~)/g, InstaView.conf.user.name+' '+date).
replace(/~{3}(?!~)/g, InstaView.conf.user.name).
// [[:Category:...]], [[:Image:...]], etc...
replace(RegExp('\\[\\[:((?:'+InstaView.conf.locale.category+'|'+InstaView.conf.locale.image+'|'+InstaView.conf.wiki.interwiki+'):.*?)\\]\\]','gi'), "<a href='"+InstaView.conf.paths.articles+"$1'>$1</a>").
replace(RegExp('\\[\\[(?:'+InstaView.conf.locale.category+'|'+InstaView.conf.wiki.interwiki+'):.*?\\]\\]','gi'),'').
// [[/Relative links]]
replace(/\[\[(\/[^|]*?)\]\]/g, f("<a href='?$1'>$1</a>", location)).
// [[/Replaced|Relative links]]
replace(/\[\[(\/.*?)\|(.+?)\]\]/g, f("<a href='?$1'>$2</a>", location)).
// [[Common links]]
replace(/\[\[([^|]*?)\]\](\w*)/g, f("<a href='?$1'>$1$2</a>", InstaView.conf.paths.articles)).
// [[Replaced|Links]]
replace(/\[\[(.*?)\|([^\]]+?)\]\](\w*)/g, f("<a href='?$1'>$2$3</a>", InstaView.conf.paths.articles)).
// [[Stripped:Namespace|Namespace]]
replace(/\[\[([^\]]*?:)?(.*?)( *\(.*?\))?\|\]\]/g, f("<a href='?$1$2$3'>$2</a>", InstaView.conf.paths.articles)).
// External links
replace(/\[(https?|news|ftp|mailto|gopher|irc):(\/*)([^\]]*?) (.*?)\]/g, "<a href='$1:$2$3'>$4</a>").
replace(/\[http:\/\/(.*?)\]/g, "<a href='http://$1'>[#]</a>").
replace(/\[(news|ftp|mailto|gopher|irc):(\/*)(.*?)\]/g, "<a href='$1:$2$3'>$1:$2$3</a>").
replace(/(^| )(https?|news|ftp|mailto|gopher|irc):(\/*)([^ $]*)/g, "$1<a href='$2:$3$4'>$2:$3$4</a>").
replace('__NOTOC__','').
replace('__NOEDITSECTION__','');
}
function strip_inline_wiki(str)
{
return str
.replace(/\[\[[^\]]*\|(.*?)\]\]/g,'$1')
.replace(/\[\[(.*?)\]\]/g,'$1')
.replace(/''(.*?)''/g,'$1');
}
// begin parsing
for (;remain();) if ($(/^(={1,6})(.*)\1(.*)$/)) {
p=0
endl(f('<h?>?</h?>?', $r[1].length, parse_inline_nowiki($r[2]), $r[1].length, $r[3]))
} else if ($(/^[*#:;]/)) {
p=0
parse_list()
} else if ($(' ')) {
p=0
parse_pre()
} else if ($('{|')) {
p=0
parse_table()
} else if ($(/^----+$/)) {
p=0
endl('<hr>')
} else if ($(InstaView.BLOCK_IMAGE)) {
p=0
parse_block_image()
} else {
// handle paragraphs
if ($$('')) {
if (p = (remain()>1 && ll[1]==(''))) endl('<p><br>')
} else {
if(!p) {
ps('<p>')
p=1
}
ps(parse_inline_nowiki(ll[0]) + ' ')
}
sh();
}
return o
}
/*
* A JavaScript implementation of the RSA Data Security, Inc. MD5 Message
* Digest Algorithm, as defined in RFC 1321.
* Version 2.2-alpha Copyright (C) Paul Johnston 1999 - 2005
* Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
* Distributed under the BSD License
* See http://pajhome.org.uk/crypt/md5 for more info.
*/
/*
* Configurable variables. You may need to tweak these to be compatible with
* the server-side, but the defaults work in most cases.
*/
var hexcase = 0; /* hex output format. 0 - lowercase; 1 - uppercase */
var b64pad = ""; /* base-64 pad character. "=" for strict RFC compliance */
/*
* These are the functions you'll usually want to call
* They take string arguments and return either hex or base-64 encoded strings
*/
function hex_md5(s) { return rstr2hex(rstr_md5(str2rstr_utf8(s))); }
function b64_md5(s) { return rstr2b64(rstr_md5(str2rstr_utf8(s))); }
function any_md5(s, e) { return rstr2any(rstr_md5(str2rstr_utf8(s)), e); }
function hex_hmac_md5(k, d)
{ return rstr2hex(rstr_hmac_md5(str2rstr_utf8(k), str2rstr_utf8(d))); }
function b64_hmac_md5(k, d)
{ return rstr2b64(rstr_hmac_md5(str2rstr_utf8(k), str2rstr_utf8(d))); }
function any_hmac_md5(k, d, e)
{ return rstr2any(rstr_hmac_md5(str2rstr_utf8(k), str2rstr_utf8(d)), e); }
/*
* Calculate the MD5 of a raw string
*/
function rstr_md5(s)
{
return binl2rstr(binl_md5(rstr2binl(s), s.length * 8));
}
/*
* Calculate the HMAC-MD5, of a key and some data (raw strings)
*/
function rstr_hmac_md5(key, data)
{
var bkey = rstr2binl(key);
if(bkey.length > 16) bkey = binl_md5(bkey, key.length * 8);
var ipad = Array(16), opad = Array(16);
for(var i = 0; i < 16; i++)
{
ipad[i] = bkey[i] ^ 0x36363636;
opad[i] = bkey[i] ^ 0x5C5C5C5C;
}
var hash = binl_md5(ipad.concat(rstr2binl(data)), 512 + data.length * 8);
return binl2rstr(binl_md5(opad.concat(hash), 512 + 128));
}
/*
* Convert a raw string to a hex string
*/
function rstr2hex(input)
{
var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef";
var output = "";
var x;
for(var i = 0; i < input.length; i++)
{
x = input.charCodeAt(i);
output += hex_tab.charAt((x >>> 4) & 0x0F)
+ hex_tab.charAt( x & 0x0F);
}
return output;
}
/*
* Convert a raw string to a base-64 string
*/
function rstr2b64(input)
{
var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
var output = "";
var len = input.length;
for(var i = 0; i < len; i += 3)
{
var triplet = (input.charCodeAt(i) << 16)
| (i + 1 < len ? input.charCodeAt(i+1) << 8 : 0)
| (i + 2 < len ? input.charCodeAt(i+2) : 0);
for(var j = 0; j < 4; j++)
{
if(i * 8 + j * 6 > input.length * 8) output += b64pad;
else output += tab.charAt((triplet >>> 6*(3-j)) & 0x3F);
}
}
return output;
}
/*
* Convert a raw string to an arbitrary string encoding
*/
function rstr2any(input, encoding)
{
var divisor = encoding.length;
var remainders = Array();
var i, q, x, quotient;
/* Convert to an array of 16-bit big-endian values, forming the dividend */
var dividend = Array(input.length / 2);
for(i = 0; i < dividend.length; i++)
{
dividend[i] = (input.charCodeAt(i * 2) << 8) | input.charCodeAt(i * 2 + 1);
}
/*
* Repeatedly perform a long division. The binary array forms the dividend,
* the length of the encoding is the divisor. Once computed, the quotient
* forms the dividend for the next step. We stop when the dividend is zero.
* All remainders are stored for later use.
*/
while(dividend.length > 0)
{
quotient = Array();
x = 0;
for(i = 0; i < dividend.length; i++)
{
x = (x << 16) + dividend[i];
q = Math.floor(x / divisor);
x -= q * divisor;
if(quotient.length > 0 || q > 0)
quotient[quotient.length] = q;
}
remainders[remainders.length] = x;
dividend = quotient;
}
/* Convert the remainders to the output string */
var output = "";
for(i = remainders.length - 1; i >= 0; i--)
output += encoding.charAt(remainders[i]);
return output;
}
/*
* Encode a string as utf-8.
* For efficiency, this assumes the input is valid utf-16.
*/
function str2rstr_utf8(input)
{
var output = "";
var i = -1;
var x, y;
while(++i < input.length)
{
/* Decode utf-16 surrogate pairs */
x = input.charCodeAt(i);
y = i + 1 < input.length ? input.charCodeAt(i + 1) : 0;
if(0xD800 <= x && x <= 0xDBFF && 0xDC00 <= y && y <= 0xDFFF)
{
x = 0x10000 + ((x & 0x03FF) << 10) + (y & 0x03FF);
i++;
}
/* Encode output as utf-8 */
if(x <= 0x7F)
output += String.fromCharCode(x);
else if(x <= 0x7FF)
output += String.fromCharCode(0xC0 | ((x >>> 6 ) & 0x1F),
0x80 | ( x & 0x3F));
else if(x <= 0xFFFF)
output += String.fromCharCode(0xE0 | ((x >>> 12) & 0x0F),
0x80 | ((x >>> 6 ) & 0x3F),
0x80 | ( x & 0x3F));
else if(x <= 0x1FFFFF)
output += String.fromCharCode(0xF0 | ((x >>> 18) & 0x07),
0x80 | ((x >>> 12) & 0x3F),
0x80 | ((x >>> 6 ) & 0x3F),
0x80 | ( x & 0x3F));
}
return output;
}
/*
* Encode a string as utf-16
*/
function str2rstr_utf16le(input)
{
var output = "";
for(var i = 0; i < input.length; i++)
output += String.fromCharCode( input.charCodeAt(i) & 0xFF,
(input.charCodeAt(i) >>> 8) & 0xFF);
return output;
}
function str2rstr_utf16be(input)
{
var output = "";
for(var i = 0; i < input.length; i++)
output += String.fromCharCode((input.charCodeAt(i) >>> 8) & 0xFF,
input.charCodeAt(i) & 0xFF);
return output;
}
/*
* Convert a raw string to an array of little-endian words
* Characters >255 have their high-byte silently ignored.
*/
function rstr2binl(input)
{
var output = Array(input.length >> 2);
for(var i = 0; i < output.length; i++)
output[i] = 0;
for(var i = 0; i < input.length * 8; i += 8)
output[i>>5] |= (input.charCodeAt(i / 8) & 0xFF) << (i%32);
return output;
}
/*
* Convert an array of little-endian words to a string
*/
function binl2rstr(input)
{
var output = "";
for(var i = 0; i < input.length * 32; i += 8)
output += String.fromCharCode((input[i>>5] >>> (i % 32)) & 0xFF);
return output;
}
/*
* Calculate the MD5 of an array of little-endian words, and a bit length.
*/
function binl_md5(x, len)
{
/* append padding */
x[len >> 5] |= 0x80 << ((len) % 32);
x[(((len + 64) >>> 9) << 4) + 14] = len;
var a = 1732584193;
var b = -271733879;
var c = -1732584194;
var d = 271733878;
for(var i = 0; i < x.length; i += 16)
{
var olda = a;
var oldb = b;
var oldc = c;
var oldd = d;
a = md5_ff(a, b, c, d, x[i+ 0], 7 , -680876936);
d = md5_ff(d, a, b, c, x[i+ 1], 12, -389564586);
c = md5_ff(c, d, a, b, x[i+ 2], 17, 606105819);
b = md5_ff(b, c, d, a, x[i+ 3], 22, -1044525330);
a = md5_ff(a, b, c, d, x[i+ 4], 7 , -176418897);
d = md5_ff(d, a, b, c, x[i+ 5], 12, 1200080426);
c = md5_ff(c, d, a, b, x[i+ 6], 17, -1473231341);
b = md5_ff(b, c, d, a, x[i+ 7], 22, -45705983);
a = md5_ff(a, b, c, d, x[i+ 8], 7 , 1770035416);
d = md5_ff(d, a, b, c, x[i+ 9], 12, -1958414417);
c = md5_ff(c, d, a, b, x[i+10], 17, -42063);
b = md5_ff(b, c, d, a, x[i+11], 22, -1990404162);
a = md5_ff(a, b, c, d, x[i+12], 7 , 1804603682);
d = md5_ff(d, a, b, c, x[i+13], 12, -40341101);
c = md5_ff(c, d, a, b, x[i+14], 17, -1502002290);
b = md5_ff(b, c, d, a, x[i+15], 22, 1236535329);
a = md5_gg(a, b, c, d, x[i+ 1], 5 , -165796510);
d = md5_gg(d, a, b, c, x[i+ 6], 9 , -1069501632);
c = md5_gg(c, d, a, b, x[i+11], 14, 643717713);
b = md5_gg(b, c, d, a, x[i+ 0], 20, -373897302);
a = md5_gg(a, b, c, d, x[i+ 5], 5 , -701558691);
d = md5_gg(d, a, b, c, x[i+10], 9 , 38016083);
c = md5_gg(c, d, a, b, x[i+15], 14, -660478335);
b = md5_gg(b, c, d, a, x[i+ 4], 20, -405537848);
a = md5_gg(a, b, c, d, x[i+ 9], 5 , 568446438);
d = md5_gg(d, a, b, c, x[i+14], 9 , -1019803690);
c = md5_gg(c, d, a, b, x[i+ 3], 14, -187363961);
b = md5_gg(b, c, d, a, x[i+ 8], 20, 1163531501);
a = md5_gg(a, b, c, d, x[i+13], 5 , -1444681467);
d = md5_gg(d, a, b, c, x[i+ 2], 9 , -51403784);
c = md5_gg(c, d, a, b, x[i+ 7], 14, 1735328473);
b = md5_gg(b, c, d, a, x[i+12], 20, -1926607734);
a = md5_hh(a, b, c, d, x[i+ 5], 4 , -378558);
d = md5_hh(d, a, b, c, x[i+ 8], 11, -2022574463);
c = md5_hh(c, d, a, b, x[i+11], 16, 1839030562);
b = md5_hh(b, c, d, a, x[i+14], 23, -35309556);
a = md5_hh(a, b, c, d, x[i+ 1], 4 , -1530992060);
d = md5_hh(d, a, b, c, x[i+ 4], 11, 1272893353);
c = md5_hh(c, d, a, b, x[i+ 7], 16, -155497632);
b = md5_hh(b, c, d, a, x[i+10], 23, -1094730640);
a = md5_hh(a, b, c, d, x[i+13], 4 , 681279174);
d = md5_hh(d, a, b, c, x[i+ 0], 11, -358537222);
c = md5_hh(c, d, a, b, x[i+ 3], 16, -722521979);
b = md5_hh(b, c, d, a, x[i+ 6], 23, 76029189);
a = md5_hh(a, b, c, d, x[i+ 9], 4 , -640364487);
d = md5_hh(d, a, b, c, x[i+12], 11, -421815835);
c = md5_hh(c, d, a, b, x[i+15], 16, 530742520);
b = md5_hh(b, c, d, a, x[i+ 2], 23, -995338651);
a = md5_ii(a, b, c, d, x[i+ 0], 6 , -198630844);
d = md5_ii(d, a, b, c, x[i+ 7], 10, 1126891415);
c = md5_ii(c, d, a, b, x[i+14], 15, -1416354905);
b = md5_ii(b, c, d, a, x[i+ 5], 21, -57434055);
a = md5_ii(a, b, c, d, x[i+12], 6 , 1700485571);
d = md5_ii(d, a, b, c, x[i+ 3], 10, -1894986606);
c = md5_ii(c, d, a, b, x[i+10], 15, -1051523);
b = md5_ii(b, c, d, a, x[i+ 1], 21, -2054922799);
a = md5_ii(a, b, c, d, x[i+ 8], 6 , 1873313359);
d = md5_ii(d, a, b, c, x[i+15], 10, -30611744);
c = md5_ii(c, d, a, b, x[i+ 6], 15, -1560198380);
b = md5_ii(b, c, d, a, x[i+13], 21, 1309151649);
a = md5_ii(a, b, c, d, x[i+ 4], 6 , -145523070);
d = md5_ii(d, a, b, c, x[i+11], 10, -1120210379);
c = md5_ii(c, d, a, b, x[i+ 2], 15, 718787259);
b = md5_ii(b, c, d, a, x[i+ 9], 21, -343485551);
a = safe_add(a, olda);
b = safe_add(b, oldb);
c = safe_add(c, oldc);
d = safe_add(d, oldd);
}
return Array(a, b, c, d);
}
/*
* These functions implement the four basic operations the algorithm uses.
*/
function md5_cmn(q, a, b, x, s, t)
{
return safe_add(bit_rol(safe_add(safe_add(a, q), safe_add(x, t)), s),b);
}
function md5_ff(a, b, c, d, x, s, t)
{
return md5_cmn((b & c) | ((~b) & d), a, b, x, s, t);
}
function md5_gg(a, b, c, d, x, s, t)
{
return md5_cmn((b & d) | (c & (~d)), a, b, x, s, t);
}
function md5_hh(a, b, c, d, x, s, t)
{
return md5_cmn(b ^ c ^ d, a, b, x, s, t);
}
function md5_ii(a, b, c, d, x, s, t)
{
return md5_cmn(c ^ (b | (~d)), a, b, x, s, t);
}
/*
* Add integers, wrapping at 2^32. This uses 16-bit operations internally
* to work around bugs in some JS interpreters.
*/
function safe_add(x, y)
{
var lsw = (x & 0xFFFF) + (y & 0xFFFF);
var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
return (msw << 16) | (lsw & 0xFFFF);
}
/*
* Bitwise rotate a 32-bit number to the left.
*/
function bit_rol(num, cnt)
{
return (num << cnt) | (num >>> (32 - cnt));
}
// </nowiki></pre>