libs/web/htdocs/luci-static/resources/cbi.js

   1 /*
   2         LuCI - Lua Configuration Interface
   3
   4         Copyright 2008 Steven Barth <steven@midlink.org>
   5         Copyright 2008-2010 Jo-Philipp Wich <xm@subsignal.org>
   6
   7         Licensed under the Apache License, Version 2.0 (the "License");
   8         you may not use this file except in compliance with the License.
   9         You may obtain a copy of the License at
  10
  11         http://www.apache.org/licenses/LICENSE-2.0
  12 */
  13
  14 var cbi_d = [];
  15 var cbi_t = [];
  16 var cbi_c = [];
  17
  18 var cbi_validators = {
  19
  20         'integer': function(v)
  21         {
  22                 return (v.match(/^-?[0-9]+$/) != null);
  23         },
  24
  25         'uinteger': function(v)
  26         {
  27                 return (cbi_validators.integer(v) && (v >= 0));
  28         },
  29
  30         'ipaddr': function(v)
  31         {
  32                 return cbi_validators.ip4addr(v) || cbi_validators.ip6addr(v);
  33         },
  34
  35         'ip4addr': function(v)
  36         {
  37                 if( v.match(/^(\d+)\.(\d+)\.(\d+)\.(\d+)(\/(\d+))?$/) )
  38                 {
  39                         return (RegExp.$1 >= 0) && (RegExp.$1 <= 255) &&
  40                                (RegExp.$2 >= 0) && (RegExp.$2 <= 255) &&
  41                                (RegExp.$3 >= 0) && (RegExp.$3 <= 255) &&
  42                                (RegExp.$4 >= 0) && (RegExp.$4 <= 255) &&
  43                                (!RegExp.$5 || ((RegExp.$6 >= 0) && (RegExp.$6 <= 32)))
  44                         ;
  45                 }
  46
  47                 return false;
  48         },
  49
  50         'ip6addr': function(v)
  51         {
  52                 if( v.match(/^([a-fA-F0-9:.]+)(\/(\d+))?$/) )
  53                 {
  54                         if( !RegExp.$2 || ((RegExp.$3 >= 0) && (RegExp.$3 <= 128)) )
  55                         {
  56                                 var addr = RegExp.$1;
  57
  58                                 if( addr == '::' )
  59                                 {
  60                                         return true;
  61                                 }
  62
  63                                 if( addr.indexOf('.') > 0 )
  64                                 {
  65                                         var off = addr.lastIndexOf(':');
  66
  67                                         if( !(off && cbi_validators.ip4addr(addr.substr(off+1))) )
  68                                                 return false;
  69
  70                                         addr = addr.substr(0, off) + ':0:0';
  71                                 }
  72
  73                                 if( addr.indexOf('::') >= 0 )
  74                                 {
  75                                         var colons = 0;
  76                                         var fill = '0';
  77
  78                                         for( var i = 0; i < addr.length; i++ )
  79                                                 if( addr.charAt(i) == ':' )
  80                                                         colons++;
  81
  82                                         if( colons > 7 )
  83                                                 return false;
  84
  85                                         for( var i = 0; i < (7 - colons); i++ )
  86                                                 fill += ':0';
  87
  88                                         addr = addr.replace(/::/, ':' + fill + ':');
  89                                 }
  90
  91                                 return (addr.match(/^(?:[a-fA-F0-9]{1,4}:){7}[a-fA-F0-9]{1,4}$/) != null);
  92                         }
  93                 }
  94
  95                 return false;
  96         },
  97
  98         'port': function(v)
  99         {
 100                 return cbi_validators.integer(v) && (v >= 0) && (v <= 65535);
 101         },
 102
 103         'portrange': function(v)
 104         {
 105                 if( v.match(/^(\d+)-(\d+)$/) )
 106                 {
 107                         var p1 = RegExp.$1;
 108                         var p2 = RegExp.$2;
 109
 110                         return cbi_validators.port(p1) &&
 111                                cbi_validators.port(p2) &&
 112                                (parseInt(p1) <= parseInt(p2))
 113                         ;
 114                 }
 115                 else
 116                 {
 117                         return cbi_validators.port(v);
 118                 }
 119         },
 120
 121         'macaddr': function(v)
 122         {
 123                 return (v.match(/^([a-fA-F0-9]{2}:){5}[a-fA-F0-9]{2}$/) != null);
 124         },
 125
 126         'host': function(v)
 127         {
 128                 return cbi_validators.hostname(v) || cbi_validators.ipaddr(v);
 129         },
 130
 131         'hostname': function(v)
 132         {
 133                 return (v.match(/^[a-zA-Z_][a-zA-Z0-9_\-.]*$/) != null);
 134         },
 135
 136         'wpakey': function(v)
 137         {
 138                 if( v.length == 64 )
 139                         return (v.match(/^[a-fA-F0-9]{64}$/) != null);
 140                 else
 141                         return (v.length >= 8) && (v.length <= 63);
 142         },
 143
 144         'wepkey': function(v)
 145         {
 146                 if( v.substr(0,2) == 's:' )
 147                         v = v.substr(2);
 148
 149                 if( (v.length == 10) || (v.length == 26) )
 150                         return (v.match(/^[a-fA-F0-9]{10,26}$/) != null);
 151                 else
 152                         return (v.length == 5) || (v.length == 13);
 153         },
 154
 155 };
 156
 157
 158 function cbi_d_add(field, dep, next) {
 159         var obj = document.getElementById(field);
 160         if (obj) {
 161                 var entry
 162                 for (var i=0; i<cbi_d.length; i++) {
 163                         if (cbi_d[i].id == field) {
 164                                 entry = cbi_d[i];
 165                                 break;
 166                         }
 167                 }
 168                 if (!entry) {
 169                         entry = {
 170                                 "node": obj,
 171                                 "id": field,
 172                                 "parent": obj.parentNode.id,
 173                                 "next": next,
 174                                 "deps": []
 175                         };
 176                         cbi_d.unshift(entry);
 177                 }
 178                 entry.deps.push(dep)
 179         }
 180 }
 181
 182 function cbi_d_checkvalue(target, ref) {
 183         var t = document.getElementById(target);
 184         var value;
 185
 186         if (!t) {
 187                 var tl = document.getElementsByName(target);
 188
 189                 if( tl.length > 0 && tl[0].type == 'radio' )
 190                         for( var i = 0; i < tl.length; i++ )
 191                                 if( tl[i].checked ) {
 192                                         value = tl[i].value;
 193                                         break;
 194                                 }
 195
 196                 value = value ? value : "";
 197         } else if (!t.value) {
 198                 value = "";
 199         } else {
 200                 value = t.value;
 201
 202                 if (t.type == "checkbox") {
 203                         value = t.checked ? value : "";
 204                 }
 205         }
 206
 207         return (value == ref)
 208 }
 209
 210 function cbi_d_check(deps) {
 211         var reverse;
 212         var def = false;
 213         for (var i=0; i<deps.length; i++) {
 214                 var istat = true;
 215                 reverse = false;
 216                 for (var j in deps[i]) {
 217                         if (j == "!reverse") {
 218                                 reverse = true;
 219                         } else if (j == "!default") {
 220                                 def = true;
 221                                 istat = false;
 222                         } else {
 223                                 istat = (istat && cbi_d_checkvalue(j, deps[i][j]))
 224                         }
 225                 }
 226                 if (istat) {
 227                         return !reverse;
 228                 }
 229         }
 230         return def;
 231 }
 232
 233 function cbi_d_update() {
 234         var state = false;
 235         for (var i=0; i<cbi_d.length; i++) {
 236                 var entry = cbi_d[i];
 237                 var next  = document.getElementById(entry.next)
 238                 var node  = document.getElementById(entry.id)
 239                 var parent = document.getElementById(entry.parent)
 240
 241                 if (node && node.parentNode && !cbi_d_check(entry.deps)) {
 242                         node.parentNode.removeChild(node);
 243                         state = true;
 244                         if( entry.parent )
 245                                 cbi_c[entry.parent]--;
 246                 } else if ((!node || !node.parentNode) && cbi_d_check(entry.deps)) {
 247                         if (!next) {
 248                                 parent.appendChild(entry.node);
 249                         } else {
 250                                 next.parentNode.insertBefore(entry.node, next);
 251                         }
 252                         state = true;
 253                         if( entry.parent )
 254                                 cbi_c[entry.parent]++;
 255                 }
 256         }
 257
 258         if (entry && entry.parent) {
 259                 cbi_t_update();
 260         }
 261
 262         if (state) {
 263                 cbi_d_update();
 264         }
 265 }
 266
 267 function cbi_bind(obj, type, callback, mode) {
 268         if (!obj.addEventListener) {
 269                 obj.attachEvent('on' + type,
 270                         function(){
 271                                 var e = window.event;
 272
 273                                 if (!e.target && e.srcElement)
 274                                         e.target = e.srcElement;
 275
 276                                 return !!callback(e);
 277                         }
 278                 );
 279         } else {
 280                 obj.addEventListener(type, callback, !!mode);
 281         }
 282         return obj;
 283 }
 284
 285 function cbi_combobox(id, values, def, man) {
 286         var selid = "cbi.combobox." + id;
 287         if (document.getElementById(selid)) {
 288                 return
 289         }
 290
 291         var obj = document.getElementById(id)
 292         var sel = document.createElement("select");
 293         sel.id = selid;
 294         sel.className = 'cbi-input-select';
 295         if (obj.className && obj.className.match(/cbi-input-invalid/)) {
 296                 sel.className += ' cbi-input-invalid';
 297         }
 298         if (obj.nextSibling) {
 299                 obj.parentNode.insertBefore(sel, obj.nextSibling);
 300         } else {
 301                 obj.parentNode.appendChild(sel);
 302         }
 303
 304         if (!values[obj.value]) {
 305                 if (obj.value == "") {
 306                         var optdef = document.createElement("option");
 307                         optdef.value = "";
 308                         optdef.appendChild(document.createTextNode(def));
 309                         sel.appendChild(optdef);
 310                 } else {
 311                         var opt = document.createElement("option");
 312                         opt.value = obj.value;
 313                         opt.selected = "selected";
 314                         opt.appendChild(document.createTextNode(obj.value));
 315                         sel.appendChild(opt);
 316                 }
 317         }
 318
 319         for (var i in values) {
 320                 var opt = document.createElement("option");
 321                 opt.value = i;
 322
 323                 if (obj.value == i) {
 324                         opt.selected = "selected";
 325                 }
 326
 327                 opt.appendChild(document.createTextNode(values[i]));
 328                 sel.appendChild(opt);
 329         }
 330
 331         var optman = document.createElement("option");
 332         optman.value = "";
 333         optman.appendChild(document.createTextNode(man));
 334         sel.appendChild(optman);
 335
 336         obj.style.display = "none";
 337
 338         cbi_bind(sel, "change", function() {
 339                 if (sel.selectedIndex == sel.options.length - 1) {
 340                         obj.style.display = "inline";
 341                         sel.parentNode.removeChild(sel);
 342                         obj.focus();
 343                 } else {
 344                         obj.value = sel.options[sel.selectedIndex].value;
 345
 346                         var vld = obj.getAttribute("cbi_validate");
 347                         sel.className = (!vld || vld())
 348                                 ? 'cbi-input-select' : 'cbi-input-select cbi-input-invalid';
 349                 }
 350
 351                 try {
 352                         cbi_d_update();
 353                 } catch (e) {
 354                         //Do nothing
 355                 }
 356         })
 357 }
 358
 359 function cbi_combobox_init(id, values, def, man) {
 360         var obj = document.getElementById(id);
 361         cbi_bind(obj, "blur", function() {
 362                 cbi_combobox(id, values, def, man)
 363         });
 364         cbi_combobox(id, values, def, man);
 365 }
 366
 367 function cbi_filebrowser(id, url, defpath) {
 368         var field   = document.getElementById(id);
 369         var browser = window.open(
 370                 url + ( field.value || defpath || '' ) + '?field=' + id,
 371                 "luci_filebrowser", "width=300,height=400,left=100,top=200,scrollbars=yes"
 372         );
 373
 374         browser.focus();
 375 }
 376
 377 function cbi_dynlist_init(name)
 378 {
 379         function cbi_dynlist_renumber(e)
 380         {
 381                 var count = 1;
 382                 var childs = e.parentNode.childNodes;
 383
 384                 for( var i = 0; i < childs.length; i++ )
 385                         if( childs[i].name == name )
 386                                 childs[i].id = name + '.' + (count++);
 387
 388                 e.focus();
 389         }
 390
 391         function cbi_dynlist_keypress(ev)
 392         {
 393                 ev = ev ? ev : window.event;
 394
 395                 var se = ev.target ? ev.target : ev.srcElement;
 396
 397                 if (se.nodeType == 3)
 398                         se = se.parentNode;
 399
 400                 switch (ev.keyCode)
 401                 {
 402                         /* backspace, delete */
 403                         case 8:
 404                         case 46:
 405                                 if (se.value.length == 0)
 406                                 {
 407                                         if (ev.preventDefault)
 408                                                 ev.preventDefault();
 409
 410                                         return false;
 411                                 }
 412
 413                                 return true;
 414
 415                         /* enter, arrow up, arrow down */
 416                         case 13:
 417                         case 38:
 418                         case 40:
 419                                 if (ev.preventDefault)
 420                                         ev.preventDefault();
 421
 422                                 return false;
 423                 }
 424
 425                 return true;
 426         }
 427
 428         function cbi_dynlist_keydown(ev)
 429         {
 430                 ev = ev ? ev : window.event;
 431
 432                 var se = ev.target ? ev.target : ev.srcElement;
 433
 434                 if (se.nodeType == 3)
 435                         se = se.parentNode;
 436
 437                 var prev = se.previousSibling;
 438                 while (prev && prev.name != name)
 439                         prev = prev.previousSibling;
 440
 441                 var next = se.nextSibling;
 442                 while (next && next.name != name)
 443                         next = next.nextSibling;
 444
 445                 switch (ev.keyCode)
 446                 {
 447                         /* backspace, delete */
 448                         case 8:
 449                         case 46:
 450                                 var jump = (ev.keyCode == 8)
 451                                         ? (prev || next) : (next || prev);
 452
 453                                 if (se.value.length == 0 && jump)
 454                                 {
 455                                         se.parentNode.removeChild(se.nextSibling);
 456                                         se.parentNode.removeChild(se);
 457
 458                                         cbi_dynlist_renumber(jump);
 459
 460                                         if (ev.preventDefault)
 461                                                 ev.preventDefault();
 462
 463                                         return false;
 464                                 }
 465
 466                                 break;
 467
 468                         /* enter */
 469                         case 13:
 470                                 var n = document.createElement('input');
 471                                         n.name       = se.name;
 472                                         n.type       = se.type;
 473
 474                                 cbi_bind(n, 'keydown',  cbi_dynlist_keydown);
 475                                 cbi_bind(n, 'keypress', cbi_dynlist_keypress);
 476
 477                                 if (next)
 478                                 {
 479                                         se.parentNode.insertBefore(n, next);
 480                                         se.parentNode.insertBefore(document.createElement('br'), next);
 481                                 }
 482                                 else
 483                                 {
 484                                         se.parentNode.appendChild(n);
 485                                         se.parentNode.appendChild(document.createElement('br'));
 486                                 }
 487
 488                                 var dt = se.getAttribute('cbi_datatype');
 489                                 var op = se.getAttribute('cbi_optional') == 'true';
 490
 491                                 if (dt)
 492                                         cbi_validate_field(n, op, dt);
 493
 494                                 cbi_dynlist_renumber(n);
 495                                 break;
 496
 497                         /* arrow up */
 498                         case 38:
 499                                 if (prev)
 500                                         prev.focus();
 501
 502                                 break;
 503
 504                         /* arrow down */
 505                         case 40:
 506                                 if (next)
 507                                         next.focus();
 508
 509                                 break;
 510                 }
 511
 512                 return true;
 513         }
 514
 515         var inputs = document.getElementsByName(name);
 516         for( var i = 0; i < inputs.length; i++ )
 517         {
 518                 cbi_bind(inputs[i], 'keydown',  cbi_dynlist_keydown);
 519                 cbi_bind(inputs[i], 'keypress', cbi_dynlist_keypress);
 520         }
 521 }
 522
 523 //Hijacks the CBI form to send via XHR (requires Prototype)
 524 function cbi_hijack_forms(layer, win, fail, load) {
 525         var forms = layer.getElementsByTagName('form');
 526         for (var i=0; i<forms.length; i++) {
 527                 $(forms[i]).observe('submit', function(event) {
 528                         // Prevent the form from also submitting the regular way
 529                         event.stop();
 530
 531                         // Submit via XHR
 532                         event.element().request({
 533                                 onSuccess: win,
 534                                 onFailure: fail
 535                         });
 536
 537                         if (load) {
 538                                 load();
 539                         }
 540                 });
 541         }
 542 }
 543
 544
 545 function cbi_t_add(section, tab) {
 546         var t = document.getElementById('tab.' + section + '.' + tab);
 547         var c = document.getElementById('container.' + section + '.' + tab);
 548
 549         if( t && c ) {
 550                 cbi_t[section] = (cbi_t[section] || [ ]);
 551                 cbi_t[section][tab] = { 'tab': t, 'container': c, 'cid': c.id };
 552         }
 553 }
 554
 555 function cbi_t_switch(section, tab) {
 556         if( cbi_t[section] && cbi_t[section][tab] ) {
 557                 var o = cbi_t[section][tab];
 558                 var h = document.getElementById('tab.' + section);
 559                 for( var tid in cbi_t[section] ) {
 560                         var o2 = cbi_t[section][tid];
 561                         if( o.tab.id != o2.tab.id ) {
 562                                 o2.tab.className = o2.tab.className.replace(/(^| )cbi-tab( |$)/, " cbi-tab-disabled ");
 563                                 o2.container.style.display = 'none';
 564                         }
 565                         else {
 566                                 if(h) h.value = tab;
 567                                 o2.tab.className = o2.tab.className.replace(/(^| )cbi-tab-disabled( |$)/, " cbi-tab ");
 568                                 o2.container.style.display = 'block';
 569                         }
 570                 }
 571         }
 572         return false
 573 }
 574
 575 function cbi_t_update() {
 576         var hl_tabs = [ ];
 577
 578         for( var sid in cbi_t )
 579                 for( var tid in cbi_t[sid] )
 580                         if( cbi_c[cbi_t[sid][tid].cid] == 0 ) {
 581                                 cbi_t[sid][tid].tab.style.display = 'none';
 582                         }
 583                         else if( cbi_t[sid][tid].tab && cbi_t[sid][tid].tab.style.display == 'none' ) {
 584                                 cbi_t[sid][tid].tab.style.display = '';
 585
 586                                 var t = cbi_t[sid][tid].tab;
 587                                 t.className += ' cbi-tab-highlighted';
 588                                 hl_tabs.push(t);
 589                         }
 590
 591         if( hl_tabs.length > 0 )
 592                 window.setTimeout(function() {
 593                         for( var i = 0; i < hl_tabs.length; i++ )
 594                                 hl_tabs[i].className = hl_tabs[i].className.replace(/ cbi-tab-highlighted/g, '');
 595                 }, 750);
 596 }
 597
 598
 599 function cbi_validate_form(form, errmsg)
 600 {
 601         /* if triggered by a section removal or addition, don't validate */
 602         if( form.cbi_state == 'add-section' || form.cbi_state == 'del-section' )
 603                 return true;
 604
 605         if( form.cbi_validators )
 606         {
 607                 for( var i = 0; i < form.cbi_validators.length; i++ )
 608                 {
 609                         var validator = form.cbi_validators[i];
 610                         if( !validator() && errmsg )
 611                         {
 612                                 alert(errmsg);
 613                                 return false;
 614                         }
 615                 }
 616         }
 617
 618         return true;
 619 }
 620
 621 function cbi_validate_reset(form)
 622 {
 623         window.setTimeout(
 624                 function() { cbi_validate_form(form, null) }, 100
 625         );
 626
 627         return true;
 628 }
 629
 630 function cbi_validate_field(cbid, optional, type)
 631 {
 632         var field = (typeof cbid == "string") ? document.getElementById(cbid) : cbid;
 633         var vldcb = cbi_validators[type];
 634
 635         if( field && vldcb )
 636         {
 637                 var validator = function()
 638                 {
 639                         // is not detached
 640                         if( field.form )
 641                         {
 642                                 field.className = field.className.replace(/ cbi-input-invalid/g, '');
 643
 644                                 // validate value
 645                                 var value = (field.options) ? field.options[field.options.selectedIndex].value : field.value;
 646                                 if( !(((value.length == 0) && optional) || vldcb(value)) )
 647                                 {
 648                                         // invalid
 649                                         field.className += ' cbi-input-invalid';
 650                                         return false;
 651                                 }
 652                         }
 653
 654                         return true;
 655                 };
 656
 657                 if( ! field.form.cbi_validators )
 658                         field.form.cbi_validators = [ ];
 659
 660                 field.form.cbi_validators.push(validator);
 661
 662                 cbi_bind(field, "blur",  validator);
 663                 cbi_bind(field, "keyup", validator);
 664
 665                 field.setAttribute("cbi_validate", validator);
 666                 field.setAttribute("cbi_datatype", type);
 667                 field.setAttribute("cbi_optional", (!!optional).toString());
 668
 669                 validator();
 670         }
 671 }
 672
 673 if( ! String.serialize )
 674         String.serialize = function(o)
 675         {
 676                 switch(typeof(o))
 677                 {
 678                         case 'object':
 679                                 // null
 680                                 if( o == null )
 681                                 {
 682                                         return 'null';
 683                                 }
 684
 685                                 // array
 686                                 else if( o.length )
 687                                 {
 688                                         var i, s = '';
 689
 690                                         for( var i = 0; i < o.length; i++ )
 691                                                 s += (s ? ', ' : '') + String.serialize(o[i]);
 692
 693                                         return '[ ' + s + ' ]';
 694                                 }
 695
 696                                 // object
 697                                 else
 698                                 {
 699                                         var k, s = '';
 700
 701                                         for( k in o )
 702                                                 s += (s ? ', ' : '') + k + ': ' + String.serialize(o[k]);
 703
 704                                         return '{ ' + s + ' }';
 705                                 }
 706
 707                                 break;
 708
 709                         case 'string':
 710                                 // complex string
 711                                 if( o.match(/[^a-zA-Z0-9_,.: -]/) )
 712                                         return 'decodeURIComponent("' + encodeURIComponent(o) + '")';
 713
 714                                 // simple string
 715                                 else
 716                                         return '"' + o + '"';
 717
 718                                 break;
 719
 720                         default:
 721                                 return o.toString();
 722                 }
 723         }
 724
 725
 726 if( ! String.format )
 727         String.format = function()
 728         {
 729                 if (!arguments || arguments.length < 1 || !RegExp)
 730                         return;
 731
 732                 var html_esc = [/&/g, '&#38;', /"/g, '&#34;', /'/g, '&#39;', /</g, '&#60;', />/g, '&#62;'];
 733                 var quot_esc = [/"/g, '&#34;', /'/g, '&#39;'];
 734
 735                 function esc(s, r) {
 736                         for( var i = 0; i < r.length; i += 2 )
 737                                 s = s.replace(r[i], r[i+1]);
 738                         return s;
 739                 }
 740
 741                 var str = arguments[0];
 742                 var out = '';
 743                 var re = /^(([^%]*)%('.|0|\x20)?(-)?(\d+)?(\.\d+)?(%|b|c|d|u|f|o|s|x|X|q|h|j))/;
 744                 var a = b = [], numSubstitutions = 0, numMatches = 0;
 745
 746                 while( a = re.exec(str) )
 747                 {
 748                         var m = a[1];
 749                         var leftpart = a[2], pPad = a[3], pJustify = a[4], pMinLength = a[5];
 750                         var pPrecision = a[6], pType = a[7];
 751
 752                         numMatches++;
 753
 754                         if (pType == '%')
 755                         {
 756                                 subst = '%';
 757                         }
 758                         else
 759                         {
 760                                 if (numSubstitutions++ < arguments.length)
 761                                 {
 762                                         var param = arguments[numSubstitutions];
 763
 764                                         var pad = '';
 765                                         if (pPad && pPad.substr(0,1) == "'")
 766                                                 pad = leftpart.substr(1,1);
 767                                         else if (pPad)
 768                                                 pad = pPad;
 769
 770                                         var justifyRight = true;
 771                                         if (pJustify && pJustify === "-")
 772                                                 justifyRight = false;
 773
 774                                         var minLength = -1;
 775                                         if (pMinLength)
 776                                                 minLength = parseInt(pMinLength);
 777
 778                                         var precision = -1;
 779                                         if (pPrecision && pType == 'f')
 780                                                 precision = parseInt(pPrecision.substring(1));
 781
 782                                         var subst = param;
 783
 784                                         switch(pType)
 785                                         {
 786                                                 case 'b':
 787                                                         subst = (parseInt(param) || 0).toString(2);
 788                                                         break;
 789
 790                                                 case 'c':
 791                                                         subst = String.fromCharCode(parseInt(param) || 0);
 792                                                         break;
 793
 794                                                 case 'd':
 795                                                         subst = (parseInt(param) || 0);
 796                                                         break;
 797
 798                                                 case 'u':
 799                                                         subst = Math.abs(parseInt(param) || 0);
 800                                                         break;
 801
 802                                                 case 'f':
 803                                                         subst = (precision > -1)
 804                                                                 ? Math.round((parseFloat(param) || 0.0) * Math.pow(10, precision)) / Math.pow(10, precision)
 805                                                                 : (parseFloat(param) || 0.0);
 806                                                         break;
 807
 808                                                 case 'o':
 809                                                         subst = (parseInt(param) || 0).toString(8);
 810                                                         break;
 811
 812                                                 case 's':
 813                                                         subst = param;
 814                                                         break;
 815
 816                                                 case 'x':
 817                                                         subst = ('' + (parseInt(param) || 0).toString(16)).toLowerCase();
 818                                                         break;
 819
 820                                                 case 'X':
 821                                                         subst = ('' + (parseInt(param) || 0).toString(16)).toUpperCase();
 822                                                         break;
 823
 824                                                 case 'h':
 825                                                         subst = esc(param, html_esc);
 826                                                         break;
 827
 828                                                 case 'q':
 829                                                         subst = esc(param, quot_esc);
 830                                                         break;
 831
 832                                                 case 'j':
 833                                                         subst = String.serialize(param);
 834                                                         break;
 835                                         }
 836                                 }
 837                         }
 838
 839                         out += leftpart + subst;
 840                         str = str.substr(m.length);
 841                 }
 842
 843                 return out + str;
 844         }