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}$/) != null);
 151                 else
 152                         return (v.length == 5) || (v.length == 13);
 153         },
 154
 155         'uciname': function(v)
 156         {
 157                 return (v.match(/^[a-zA-Z0-9_]+$/) != null);
 158         },
 159
 160         'range': function(v, args)
 161         {
 162                 var min = parseInt(args[0]);
 163                 var max = parseInt(args[1]);
 164                 var val = parseInt(v);
 165
 166                 if (!isNaN(min) && !isNaN(max) && !isNaN(val))
 167                         return ((val >= min) && (val <= max));
 168
 169                 return false;
 170         }
 171 };
 172
 173
 174 function cbi_d_add(field, dep, next) {
 175         var obj = document.getElementById(field);
 176         if (obj) {
 177                 var entry
 178                 for (var i=0; i<cbi_d.length; i++) {
 179                         if (cbi_d[i].id == field) {
 180                                 entry = cbi_d[i];
 181                                 break;
 182                         }
 183                 }
 184                 if (!entry) {
 185                         entry = {
 186                                 "node": obj,
 187                                 "id": field,
 188                                 "parent": obj.parentNode.id,
 189                                 "next": next,
 190                                 "deps": []
 191                         };
 192                         cbi_d.unshift(entry);
 193                 }
 194                 entry.deps.push(dep)
 195         }
 196 }
 197
 198 function cbi_d_checkvalue(target, ref) {
 199         var t = document.getElementById(target);
 200         var value;
 201
 202         if (!t) {
 203                 var tl = document.getElementsByName(target);
 204
 205                 if( tl.length > 0 && tl[0].type == 'radio' )
 206                         for( var i = 0; i < tl.length; i++ )
 207                                 if( tl[i].checked ) {
 208                                         value = tl[i].value;
 209                                         break;
 210                                 }
 211
 212                 value = value ? value : "";
 213         } else if (!t.value) {
 214                 value = "";
 215         } else {
 216                 value = t.value;
 217
 218                 if (t.type == "checkbox") {
 219                         value = t.checked ? value : "";
 220                 }
 221         }
 222
 223         return (value == ref)
 224 }
 225
 226 function cbi_d_check(deps) {
 227         var reverse;
 228         var def = false;
 229         for (var i=0; i<deps.length; i++) {
 230                 var istat = true;
 231                 reverse = false;
 232                 for (var j in deps[i]) {
 233                         if (j == "!reverse") {
 234                                 reverse = true;
 235                         } else if (j == "!default") {
 236                                 def = true;
 237                                 istat = false;
 238                         } else {
 239                                 istat = (istat && cbi_d_checkvalue(j, deps[i][j]))
 240                         }
 241                 }
 242                 if (istat) {
 243                         return !reverse;
 244                 }
 245         }
 246         return def;
 247 }
 248
 249 function cbi_d_update() {
 250         var state = false;
 251         for (var i=0; i<cbi_d.length; i++) {
 252                 var entry = cbi_d[i];
 253                 var next  = document.getElementById(entry.next)
 254                 var node  = document.getElementById(entry.id)
 255                 var parent = document.getElementById(entry.parent)
 256
 257                 if (node && node.parentNode && !cbi_d_check(entry.deps)) {
 258                         node.parentNode.removeChild(node);
 259                         state = true;
 260                         if( entry.parent )
 261                                 cbi_c[entry.parent]--;
 262                 } else if ((!node || !node.parentNode) && cbi_d_check(entry.deps)) {
 263                         if (!next) {
 264                                 parent.appendChild(entry.node);
 265                         } else {
 266                                 next.parentNode.insertBefore(entry.node, next);
 267                         }
 268                         state = true;
 269                         if( entry.parent )
 270                                 cbi_c[entry.parent]++;
 271                 }
 272         }
 273
 274         if (entry && entry.parent) {
 275                 cbi_t_update();
 276         }
 277
 278         if (state) {
 279                 cbi_d_update();
 280         }
 281 }
 282
 283 function cbi_bind(obj, type, callback, mode) {
 284         if (!obj.addEventListener) {
 285                 obj.attachEvent('on' + type,
 286                         function(){
 287                                 var e = window.event;
 288
 289                                 if (!e.target && e.srcElement)
 290                                         e.target = e.srcElement;
 291
 292                                 return !!callback(e);
 293                         }
 294                 );
 295         } else {
 296                 obj.addEventListener(type, callback, !!mode);
 297         }
 298         return obj;
 299 }
 300
 301 function cbi_combobox(id, values, def, man) {
 302         var selid = "cbi.combobox." + id;
 303         if (document.getElementById(selid)) {
 304                 return
 305         }
 306
 307         var obj = document.getElementById(id)
 308         var sel = document.createElement("select");
 309                 sel.id = selid;
 310                 sel.className = 'cbi-input-select';
 311
 312         if (obj.nextSibling) {
 313                 obj.parentNode.insertBefore(sel, obj.nextSibling);
 314         } else {
 315                 obj.parentNode.appendChild(sel);
 316         }
 317
 318         var dt = obj.getAttribute('cbi_datatype');
 319         var op = obj.getAttribute('cbi_optional');
 320
 321         if (dt)
 322                 cbi_validate_field(sel, op == 'true', dt);
 323
 324         if (!values[obj.value]) {
 325                 if (obj.value == "") {
 326                         var optdef = document.createElement("option");
 327                         optdef.value = "";
 328                         optdef.appendChild(document.createTextNode(def));
 329                         sel.appendChild(optdef);
 330                 } else {
 331                         var opt = document.createElement("option");
 332                         opt.value = obj.value;
 333                         opt.selected = "selected";
 334                         opt.appendChild(document.createTextNode(obj.value));
 335                         sel.appendChild(opt);
 336                 }
 337         }
 338
 339         for (var i in values) {
 340                 var opt = document.createElement("option");
 341                 opt.value = i;
 342
 343                 if (obj.value == i) {
 344                         opt.selected = "selected";
 345                 }
 346
 347                 opt.appendChild(document.createTextNode(values[i]));
 348                 sel.appendChild(opt);
 349         }
 350
 351         var optman = document.createElement("option");
 352         optman.value = "";
 353         optman.appendChild(document.createTextNode(man));
 354         sel.appendChild(optman);
 355
 356         obj.style.display = "none";
 357
 358         cbi_bind(sel, "change", function() {
 359                 if (sel.selectedIndex == sel.options.length - 1) {
 360                         obj.style.display = "inline";
 361                         sel.parentNode.removeChild(sel);
 362                         obj.focus();
 363                 } else {
 364                         obj.value = sel.options[sel.selectedIndex].value;
 365                 }
 366
 367                 try {
 368                         cbi_d_update();
 369                 } catch (e) {
 370                         //Do nothing
 371                 }
 372         })
 373 }
 374
 375 function cbi_combobox_init(id, values, def, man) {
 376         var obj = document.getElementById(id);
 377         cbi_bind(obj, "blur", function() {
 378                 cbi_combobox(id, values, def, man)
 379         });
 380         cbi_combobox(id, values, def, man);
 381 }
 382
 383 function cbi_filebrowser(id, url, defpath) {
 384         var field   = document.getElementById(id);
 385         var browser = window.open(
 386                 url + ( field.value || defpath || '' ) + '?field=' + id,
 387                 "luci_filebrowser", "width=300,height=400,left=100,top=200,scrollbars=yes"
 388         );
 389
 390         browser.focus();
 391 }
 392
 393 function cbi_dynlist_init(name)
 394 {
 395         function cbi_dynlist_renumber(e)
 396         {
 397                 var count = 1;
 398                 var childs = e.parentNode.childNodes;
 399
 400                 for( var i = 0; i < childs.length; i++ )
 401                         if( childs[i].name == name )
 402                                 childs[i].id = name + '.' + (count++);
 403
 404                 e.focus();
 405         }
 406
 407         function cbi_dynlist_keypress(ev)
 408         {
 409                 ev = ev ? ev : window.event;
 410
 411                 var se = ev.target ? ev.target : ev.srcElement;
 412
 413                 if (se.nodeType == 3)
 414                         se = se.parentNode;
 415
 416                 switch (ev.keyCode)
 417                 {
 418                         /* backspace, delete */
 419                         case 8:
 420                         case 46:
 421                                 if (se.value.length == 0)
 422                                 {
 423                                         if (ev.preventDefault)
 424                                                 ev.preventDefault();
 425
 426                                         return false;
 427                                 }
 428
 429                                 return true;
 430
 431                         /* enter, arrow up, arrow down */
 432                         case 13:
 433                         case 38:
 434                         case 40:
 435                                 if (ev.preventDefault)
 436                                         ev.preventDefault();
 437
 438                                 return false;
 439                 }
 440
 441                 return true;
 442         }
 443
 444         function cbi_dynlist_keydown(ev)
 445         {
 446                 ev = ev ? ev : window.event;
 447
 448                 var se = ev.target ? ev.target : ev.srcElement;
 449
 450                 if (se.nodeType == 3)
 451                         se = se.parentNode;
 452
 453                 var prev = se.previousSibling;
 454                 while (prev && prev.name != name)
 455                         prev = prev.previousSibling;
 456
 457                 var next = se.nextSibling;
 458                 while (next && next.name != name)
 459                         next = next.nextSibling;
 460
 461                 switch (ev.keyCode)
 462                 {
 463                         /* backspace, delete */
 464                         case 8:
 465                         case 46:
 466                                 var jump = (ev.keyCode == 8)
 467                                         ? (prev || next) : (next || prev);
 468
 469                                 if (se.value.length == 0 && jump)
 470                                 {
 471                                         se.parentNode.removeChild(se.nextSibling);
 472                                         se.parentNode.removeChild(se);
 473
 474                                         cbi_dynlist_renumber(jump);
 475
 476                                         if (ev.preventDefault)
 477                                                 ev.preventDefault();
 478
 479                                         return false;
 480                                 }
 481
 482                                 break;
 483
 484                         /* enter */
 485                         case 13:
 486                                 var n = document.createElement('input');
 487                                         n.name       = se.name;
 488                                         n.type       = se.type;
 489
 490                                 cbi_bind(n, 'keydown',  cbi_dynlist_keydown);
 491                                 cbi_bind(n, 'keypress', cbi_dynlist_keypress);
 492
 493                                 if (next)
 494                                 {
 495                                         se.parentNode.insertBefore(n, next);
 496                                         se.parentNode.insertBefore(document.createElement('br'), next);
 497                                 }
 498                                 else
 499                                 {
 500                                         se.parentNode.appendChild(n);
 501                                         se.parentNode.appendChild(document.createElement('br'));
 502                                 }
 503
 504                                 var dt = se.getAttribute('cbi_datatype');
 505                                 var op = se.getAttribute('cbi_optional') == 'true';
 506
 507                                 if (dt)
 508                                         cbi_validate_field(n, op, dt);
 509
 510                                 cbi_dynlist_renumber(n);
 511                                 break;
 512
 513                         /* arrow up */
 514                         case 38:
 515                                 if (prev)
 516                                         prev.focus();
 517
 518                                 break;
 519
 520                         /* arrow down */
 521                         case 40:
 522                                 if (next)
 523                                         next.focus();
 524
 525                                 break;
 526                 }
 527
 528                 return true;
 529         }
 530
 531         var inputs = document.getElementsByName(name);
 532         for( var i = 0; i < inputs.length; i++ )
 533         {
 534                 cbi_bind(inputs[i], 'keydown',  cbi_dynlist_keydown);
 535                 cbi_bind(inputs[i], 'keypress', cbi_dynlist_keypress);
 536         }
 537 }
 538
 539 //Hijacks the CBI form to send via XHR (requires Prototype)
 540 function cbi_hijack_forms(layer, win, fail, load) {
 541         var forms = layer.getElementsByTagName('form');
 542         for (var i=0; i<forms.length; i++) {
 543                 $(forms[i]).observe('submit', function(event) {
 544                         // Prevent the form from also submitting the regular way
 545                         event.stop();
 546
 547                         // Submit via XHR
 548                         event.element().request({
 549                                 onSuccess: win,
 550                                 onFailure: fail
 551                         });
 552
 553                         if (load) {
 554                                 load();
 555                         }
 556                 });
 557         }
 558 }
 559
 560
 561 function cbi_t_add(section, tab) {
 562         var t = document.getElementById('tab.' + section + '.' + tab);
 563         var c = document.getElementById('container.' + section + '.' + tab);
 564
 565         if( t && c ) {
 566                 cbi_t[section] = (cbi_t[section] || [ ]);
 567                 cbi_t[section][tab] = { 'tab': t, 'container': c, 'cid': c.id };
 568         }
 569 }
 570
 571 function cbi_t_switch(section, tab) {
 572         if( cbi_t[section] && cbi_t[section][tab] ) {
 573                 var o = cbi_t[section][tab];
 574                 var h = document.getElementById('tab.' + section);
 575                 for( var tid in cbi_t[section] ) {
 576                         var o2 = cbi_t[section][tid];
 577                         if( o.tab.id != o2.tab.id ) {
 578                                 o2.tab.className = o2.tab.className.replace(/(^| )cbi-tab( |$)/, " cbi-tab-disabled ");
 579                                 o2.container.style.display = 'none';
 580                         }
 581                         else {
 582                                 if(h) h.value = tab;
 583                                 o2.tab.className = o2.tab.className.replace(/(^| )cbi-tab-disabled( |$)/, " cbi-tab ");
 584                                 o2.container.style.display = 'block';
 585                         }
 586                 }
 587         }
 588         return false
 589 }
 590
 591 function cbi_t_update() {
 592         var hl_tabs = [ ];
 593
 594         for( var sid in cbi_t )
 595                 for( var tid in cbi_t[sid] )
 596                         if( cbi_c[cbi_t[sid][tid].cid] == 0 ) {
 597                                 cbi_t[sid][tid].tab.style.display = 'none';
 598                         }
 599                         else if( cbi_t[sid][tid].tab && cbi_t[sid][tid].tab.style.display == 'none' ) {
 600                                 cbi_t[sid][tid].tab.style.display = '';
 601
 602                                 var t = cbi_t[sid][tid].tab;
 603                                 t.className += ' cbi-tab-highlighted';
 604                                 hl_tabs.push(t);
 605                         }
 606
 607         if( hl_tabs.length > 0 )
 608                 window.setTimeout(function() {
 609                         for( var i = 0; i < hl_tabs.length; i++ )
 610                                 hl_tabs[i].className = hl_tabs[i].className.replace(/ cbi-tab-highlighted/g, '');
 611                 }, 750);
 612 }
 613
 614
 615 function cbi_validate_form(form, errmsg)
 616 {
 617         /* if triggered by a section removal or addition, don't validate */
 618         if( form.cbi_state == 'add-section' || form.cbi_state == 'del-section' )
 619                 return true;
 620
 621         if( form.cbi_validators )
 622         {
 623                 for( var i = 0; i < form.cbi_validators.length; i++ )
 624                 {
 625                         var validator = form.cbi_validators[i];
 626                         if( !validator() && errmsg )
 627                         {
 628                                 alert(errmsg);
 629                                 return false;
 630                         }
 631                 }
 632         }
 633
 634         return true;
 635 }
 636
 637 function cbi_validate_reset(form)
 638 {
 639         window.setTimeout(
 640                 function() { cbi_validate_form(form, null) }, 100
 641         );
 642
 643         return true;
 644 }
 645
 646 function cbi_validate_field(cbid, optional, type)
 647 {
 648         var field = (typeof cbid == "string") ? document.getElementById(cbid) : cbid;
 649         var vargs;
 650
 651         if( type.match(/^(\w+)\(([^\(\)]+)\)/) )
 652         {
 653                 type  = RegExp.$1;
 654                 vargs = RegExp.$2.split(/\s*,\s*/);
 655         }
 656
 657         var vldcb = cbi_validators[type];
 658
 659         if( field && vldcb )
 660         {
 661                 var validator = function()
 662                 {
 663                         // is not detached
 664                         if( field.form )
 665                         {
 666                                 field.className = field.className.replace(/ cbi-input-invalid/g, '');
 667
 668                                 // validate value
 669                                 var value = (field.options && field.options.selectedIndex > -1)
 670                                         ? field.options[field.options.selectedIndex].value : field.value;
 671
 672                                 if( !(((value.length == 0) && optional) || vldcb(value, vargs)) )
 673                                 {
 674                                         // invalid
 675                                         field.className += ' cbi-input-invalid';
 676                                         return false;
 677                                 }
 678                         }
 679
 680                         return true;
 681                 };
 682
 683                 if( ! field.form.cbi_validators )
 684                         field.form.cbi_validators = [ ];
 685
 686                 field.form.cbi_validators.push(validator);
 687
 688                 cbi_bind(field, "blur",  validator);
 689                 cbi_bind(field, "keyup", validator);
 690
 691                 if (field.nodeName == 'SELECT')
 692                 {
 693                         cbi_bind(field, "change", validator);
 694                         cbi_bind(field, "click",  validator);
 695                 }
 696
 697                 field.setAttribute("cbi_validate", validator);
 698                 field.setAttribute("cbi_datatype", type);
 699                 field.setAttribute("cbi_optional", (!!optional).toString());
 700
 701                 validator();
 702
 703                 var fcbox = document.getElementById('cbi.combobox.' + field.id);
 704                 if (fcbox)
 705                         cbi_validate_field(fcbox, optional, type);
 706         }
 707 }
 708
 709 if( ! String.serialize )
 710         String.serialize = function(o)
 711         {
 712                 switch(typeof(o))
 713                 {
 714                         case 'object':
 715                                 // null
 716                                 if( o == null )
 717                                 {
 718                                         return 'null';
 719                                 }
 720
 721                                 // array
 722                                 else if( o.length )
 723                                 {
 724                                         var i, s = '';
 725
 726                                         for( var i = 0; i < o.length; i++ )
 727                                                 s += (s ? ', ' : '') + String.serialize(o[i]);
 728
 729                                         return '[ ' + s + ' ]';
 730                                 }
 731
 732                                 // object
 733                                 else
 734                                 {
 735                                         var k, s = '';
 736
 737                                         for( k in o )
 738                                                 s += (s ? ', ' : '') + k + ': ' + String.serialize(o[k]);
 739
 740                                         return '{ ' + s + ' }';
 741                                 }
 742
 743                                 break;
 744
 745                         case 'string':
 746                                 // complex string
 747                                 if( o.match(/[^a-zA-Z0-9_,.: -]/) )
 748                                         return 'decodeURIComponent("' + encodeURIComponent(o) + '")';
 749
 750                                 // simple string
 751                                 else
 752                                         return '"' + o + '"';
 753
 754                                 break;
 755
 756                         default:
 757                                 return o.toString();
 758                 }
 759         }
 760
 761
 762 if( ! String.format )
 763         String.format = function()
 764         {
 765                 if (!arguments || arguments.length < 1 || !RegExp)
 766                         return;
 767
 768                 var html_esc = [/&/g, '&#38;', /"/g, '&#34;', /'/g, '&#39;', /</g, '&#60;', />/g, '&#62;'];
 769                 var quot_esc = [/"/g, '&#34;', /'/g, '&#39;'];
 770
 771                 function esc(s, r) {
 772                         for( var i = 0; i < r.length; i += 2 )
 773                                 s = s.replace(r[i], r[i+1]);
 774                         return s;
 775                 }
 776
 777                 var str = arguments[0];
 778                 var out = '';
 779                 var re = /^(([^%]*)%('.|0|\x20)?(-)?(\d+)?(\.\d+)?(%|b|c|d|u|f|o|s|x|X|q|h|j))/;
 780                 var a = b = [], numSubstitutions = 0, numMatches = 0;
 781
 782                 while( a = re.exec(str) )
 783                 {
 784                         var m = a[1];
 785                         var leftpart = a[2], pPad = a[3], pJustify = a[4], pMinLength = a[5];
 786                         var pPrecision = a[6], pType = a[7];
 787
 788                         numMatches++;
 789
 790                         if (pType == '%')
 791                         {
 792                                 subst = '%';
 793                         }
 794                         else
 795                         {
 796                                 if (numSubstitutions++ < arguments.length)
 797                                 {
 798                                         var param = arguments[numSubstitutions];
 799
 800                                         var pad = '';
 801                                         if (pPad && pPad.substr(0,1) == "'")
 802                                                 pad = leftpart.substr(1,1);
 803                                         else if (pPad)
 804                                                 pad = pPad;
 805
 806                                         var justifyRight = true;
 807                                         if (pJustify && pJustify === "-")
 808                                                 justifyRight = false;
 809
 810                                         var minLength = -1;
 811                                         if (pMinLength)
 812                                                 minLength = parseInt(pMinLength);
 813
 814                                         var precision = -1;
 815                                         if (pPrecision && pType == 'f')
 816                                                 precision = parseInt(pPrecision.substring(1));
 817
 818                                         var subst = param;
 819
 820                                         switch(pType)
 821                                         {
 822                                                 case 'b':
 823                                                         subst = (parseInt(param) || 0).toString(2);
 824                                                         break;
 825
 826                                                 case 'c':
 827                                                         subst = String.fromCharCode(parseInt(param) || 0);
 828                                                         break;
 829
 830                                                 case 'd':
 831                                                         subst = (parseInt(param) || 0);
 832                                                         break;
 833
 834                                                 case 'u':
 835                                                         subst = Math.abs(parseInt(param) || 0);
 836                                                         break;
 837
 838                                                 case 'f':
 839                                                         subst = (precision > -1)
 840                                                                 ? Math.round((parseFloat(param) || 0.0) * Math.pow(10, precision)) / Math.pow(10, precision)
 841                                                                 : (parseFloat(param) || 0.0);
 842                                                         break;
 843
 844                                                 case 'o':
 845                                                         subst = (parseInt(param) || 0).toString(8);
 846                                                         break;
 847
 848                                                 case 's':
 849                                                         subst = param;
 850                                                         break;
 851
 852                                                 case 'x':
 853                                                         subst = ('' + (parseInt(param) || 0).toString(16)).toLowerCase();
 854                                                         break;
 855
 856                                                 case 'X':
 857                                                         subst = ('' + (parseInt(param) || 0).toString(16)).toUpperCase();
 858                                                         break;
 859
 860                                                 case 'h':
 861                                                         subst = esc(param, html_esc);
 862                                                         break;
 863
 864                                                 case 'q':
 865                                                         subst = esc(param, quot_esc);
 866                                                         break;
 867
 868                                                 case 'j':
 869                                                         subst = String.serialize(param);
 870                                                         break;
 871                                         }
 872                                 }
 873                         }
 874
 875                         out += leftpart + subst;
 876                         str = str.substr(m.length);
 877                 }
 878
 879                 return out + str;
 880         }