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.$1;
  57
  58                                 if( addr == '::' )
  59                                 {
  60                                         return true;
  61                                 }
  62
  63                                 if( addr.indexOf('.') > 0 )
  64                                 {
  65                                         var off = addr.lastIndexOf(':');
  66
  67                                         if( !(off && cbi_validators.ip4addr(addr.substr(off+1))) )
  68                                                 return false;
  69
  70                                         addr = addr.substr(0, off) + ':0:0';
  71                                 }
  72
  73                                 if( addr.indexOf('::') >= 0 )
  74                                 {
  75                                         var colons = 0;
  76                                         var fill = '0';
  77
  78                                         for( var i = 1; i < (addr.length-1); i++ )
  79                                                 if( addr.charAt(i) == ':' )
  80                                                         colons++;
  81
  82                                         if( colons > 7 )
  83                                                 return false;
  84
  85                                         for( var i = 0; i < (7 - colons); i++ )
  86                                                 fill += ':0';
  87
  88                                         if (addr.match(/^(.*?)::(.*?)$/))
  89                                                 addr = (RegExp.$1 ? RegExp.$1 + ':' : '') + fill +
  90                                                        (RegExp.$2 ? ':' + RegExp.$2 : '');
  91                                 }
  92
  93                                 window.status = addr;
  94                                 return (addr.match(/^(?:[a-fA-F0-9]{1,4}:){7}[a-fA-F0-9]{1,4}$/) != null);
  95                         }
  96                 }
  97
  98                 return false;
  99         },
 100
 101         'port': function(v)
 102         {
 103                 return cbi_validators.integer(v) && (v >= 0) && (v <= 65535);
 104         },
 105
 106         'portrange': function(v)
 107         {
 108                 if( v.match(/^(\d+)-(\d+)$/) )
 109                 {
 110                         var p1 = RegExp.$1;
 111                         var p2 = RegExp.$2;
 112
 113                         return cbi_validators.port(p1) &&
 114                                cbi_validators.port(p2) &&
 115                                (parseInt(p1) <= parseInt(p2))
 116                         ;
 117                 }
 118                 else
 119                 {
 120                         return cbi_validators.port(v);
 121                 }
 122         },
 123
 124         'macaddr': function(v)
 125         {
 126                 return (v.match(/^([a-fA-F0-9]{2}:){5}[a-fA-F0-9]{2}$/) != null);
 127         },
 128
 129         'host': function(v)
 130         {
 131                 return cbi_validators.hostname(v) || cbi_validators.ipaddr(v);
 132         },
 133
 134         'hostname': function(v)
 135         {
 136                 return (v.match(/^[a-zA-Z_][a-zA-Z0-9_\-.]*$/) != null);
 137         },
 138
 139         'wpakey': function(v)
 140         {
 141                 if( v.length == 64 )
 142                         return (v.match(/^[a-fA-F0-9]{64}$/) != null);
 143                 else
 144                         return (v.length >= 8) && (v.length <= 63);
 145         },
 146
 147         'wepkey': function(v)
 148         {
 149                 if( v.substr(0,2) == 's:' )
 150                         v = v.substr(2);
 151
 152                 if( (v.length == 10) || (v.length == 26) )
 153                         return (v.match(/^[a-fA-F0-9]{10,26}$/) != null);
 154                 else
 155                         return (v.length == 5) || (v.length == 13);
 156         },
 157
 158         'uciname': function(v)
 159         {
 160                 return (v.match(/^[a-zA-Z0-9_]+$/) != null);
 161         },
 162
 163         'range': function(v, args)
 164         {
 165                 var min = parseInt(args[0]);
 166                 var max = parseInt(args[1]);
 167                 var val = parseInt(v);
 168
 169                 if (!isNaN(min) && !isNaN(max) && !isNaN(val))
 170                         return ((val >= min) && (val <= max));
 171
 172                 return false;
 173         }
 174 };
 175
 176
 177 function cbi_d_add(field, dep, next) {
 178         var obj = document.getElementById(field);
 179         if (obj) {
 180                 var entry
 181                 for (var i=0; i<cbi_d.length; i++) {
 182                         if (cbi_d[i].id == field) {
 183                                 entry = cbi_d[i];
 184                                 break;
 185                         }
 186                 }
 187                 if (!entry) {
 188                         entry = {
 189                                 "node": obj,
 190                                 "id": field,
 191                                 "parent": obj.parentNode.id,
 192                                 "next": next,
 193                                 "deps": []
 194                         };
 195                         cbi_d.unshift(entry);
 196                 }
 197                 entry.deps.push(dep)
 198         }
 199 }
 200
 201 function cbi_d_checkvalue(target, ref) {
 202         var t = document.getElementById(target);
 203         var value;
 204
 205         if (!t) {
 206                 var tl = document.getElementsByName(target);
 207
 208                 if( tl.length > 0 && tl[0].type == 'radio' )
 209                         for( var i = 0; i < tl.length; i++ )
 210                                 if( tl[i].checked ) {
 211                                         value = tl[i].value;
 212                                         break;
 213                                 }
 214
 215                 value = value ? value : "";
 216         } else if (!t.value) {
 217                 value = "";
 218         } else {
 219                 value = t.value;
 220
 221                 if (t.type == "checkbox") {
 222                         value = t.checked ? value : "";
 223                 }
 224         }
 225
 226         return (value == ref)
 227 }
 228
 229 function cbi_d_check(deps) {
 230         var reverse;
 231         var def = false;
 232         for (var i=0; i<deps.length; i++) {
 233                 var istat = true;
 234                 reverse = false;
 235                 for (var j in deps[i]) {
 236                         if (j == "!reverse") {
 237                                 reverse = true;
 238                         } else if (j == "!default") {
 239                                 def = true;
 240                                 istat = false;
 241                         } else {
 242                                 istat = (istat && cbi_d_checkvalue(j, deps[i][j]))
 243                         }
 244                 }
 245                 if (istat) {
 246                         return !reverse;
 247                 }
 248         }
 249         return def;
 250 }
 251
 252 function cbi_d_update() {
 253         var state = false;
 254         for (var i=0; i<cbi_d.length; i++) {
 255                 var entry = cbi_d[i];
 256                 var next  = document.getElementById(entry.next)
 257                 var node  = document.getElementById(entry.id)
 258                 var parent = document.getElementById(entry.parent)
 259
 260                 if (node && node.parentNode && !cbi_d_check(entry.deps)) {
 261                         node.parentNode.removeChild(node);
 262                         state = true;
 263                         if( entry.parent )
 264                                 cbi_c[entry.parent]--;
 265                 } else if ((!node || !node.parentNode) && cbi_d_check(entry.deps)) {
 266                         if (!next) {
 267                                 parent.appendChild(entry.node);
 268                         } else {
 269                                 next.parentNode.insertBefore(entry.node, next);
 270                         }
 271                         state = true;
 272                         if( entry.parent )
 273                                 cbi_c[entry.parent]++;
 274                 }
 275         }
 276
 277         if (entry && entry.parent) {
 278                 cbi_t_update();
 279         }
 280
 281         if (state) {
 282                 cbi_d_update();
 283         }
 284 }
 285
 286 function cbi_bind(obj, type, callback, mode) {
 287         if (!obj.addEventListener) {
 288                 obj.attachEvent('on' + type,
 289                         function(){
 290                                 var e = window.event;
 291
 292                                 if (!e.target && e.srcElement)
 293                                         e.target = e.srcElement;
 294
 295                                 return !!callback(e);
 296                         }
 297                 );
 298         } else {
 299                 obj.addEventListener(type, callback, !!mode);
 300         }
 301         return obj;
 302 }
 303
 304 function cbi_combobox(id, values, def, man) {
 305         var selid = "cbi.combobox." + id;
 306         if (document.getElementById(selid)) {
 307                 return
 308         }
 309
 310         var obj = document.getElementById(id)
 311         var sel = document.createElement("select");
 312                 sel.id = selid;
 313                 sel.className = 'cbi-input-select';
 314
 315         if (obj.nextSibling) {
 316                 obj.parentNode.insertBefore(sel, obj.nextSibling);
 317         } else {
 318                 obj.parentNode.appendChild(sel);
 319         }
 320
 321         var dt = obj.getAttribute('cbi_datatype');
 322         var op = obj.getAttribute('cbi_optional');
 323
 324         if (dt)
 325                 cbi_validate_field(sel, op == 'true', dt);
 326
 327         if (!values[obj.value]) {
 328                 if (obj.value == "") {
 329                         var optdef = document.createElement("option");
 330                         optdef.value = "";
 331                         optdef.appendChild(document.createTextNode(def));
 332                         sel.appendChild(optdef);
 333                 } else {
 334                         var opt = document.createElement("option");
 335                         opt.value = obj.value;
 336                         opt.selected = "selected";
 337                         opt.appendChild(document.createTextNode(obj.value));
 338                         sel.appendChild(opt);
 339                 }
 340         }
 341
 342         for (var i in values) {
 343                 var opt = document.createElement("option");
 344                 opt.value = i;
 345
 346                 if (obj.value == i) {
 347                         opt.selected = "selected";
 348                 }
 349
 350                 opt.appendChild(document.createTextNode(values[i]));
 351                 sel.appendChild(opt);
 352         }
 353
 354         var optman = document.createElement("option");
 355         optman.value = "";
 356         optman.appendChild(document.createTextNode(man));
 357         sel.appendChild(optman);
 358
 359         obj.style.display = "none";
 360
 361         cbi_bind(sel, "change", function() {
 362                 if (sel.selectedIndex == sel.options.length - 1) {
 363                         obj.style.display = "inline";
 364                         sel.parentNode.removeChild(sel);
 365                         obj.focus();
 366                 } else {
 367                         obj.value = sel.options[sel.selectedIndex].value;
 368                 }
 369
 370                 try {
 371                         cbi_d_update();
 372                 } catch (e) {
 373                         //Do nothing
 374                 }
 375         })
 376 }
 377
 378 function cbi_combobox_init(id, values, def, man) {
 379         var obj = document.getElementById(id);
 380         cbi_bind(obj, "blur", function() {
 381                 cbi_combobox(id, values, def, man)
 382         });
 383         cbi_combobox(id, values, def, man);
 384 }
 385
 386 function cbi_filebrowser(id, url, defpath) {
 387         var field   = document.getElementById(id);
 388         var browser = window.open(
 389                 url + ( field.value || defpath || '' ) + '?field=' + id,
 390                 "luci_filebrowser", "width=300,height=400,left=100,top=200,scrollbars=yes"
 391         );
 392
 393         browser.focus();
 394 }
 395
 396 function cbi_dynlist_init(name)
 397 {
 398         function cbi_dynlist_renumber(e)
 399         {
 400                 var count = 1;
 401                 var childs = e.parentNode.childNodes;
 402
 403                 for( var i = 0; i < childs.length; i++ )
 404                         if( childs[i].name == name )
 405                                 childs[i].id = name + '.' + (count++);
 406
 407                 e.focus();
 408         }
 409
 410         function cbi_dynlist_keypress(ev)
 411         {
 412                 ev = ev ? ev : window.event;
 413
 414                 var se = ev.target ? ev.target : ev.srcElement;
 415
 416                 if (se.nodeType == 3)
 417                         se = se.parentNode;
 418
 419                 switch (ev.keyCode)
 420                 {
 421                         /* backspace, delete */
 422                         case 8:
 423                         case 46:
 424                                 if (se.value.length == 0)
 425                                 {
 426                                         if (ev.preventDefault)
 427                                                 ev.preventDefault();
 428
 429                                         return false;
 430                                 }
 431
 432                                 return true;
 433
 434                         /* enter, arrow up, arrow down */
 435                         case 13:
 436                         case 38:
 437                         case 40:
 438                                 if (ev.preventDefault)
 439                                         ev.preventDefault();
 440
 441                                 return false;
 442                 }
 443
 444                 return true;
 445         }
 446
 447         function cbi_dynlist_keydown(ev)
 448         {
 449                 ev = ev ? ev : window.event;
 450
 451                 var se = ev.target ? ev.target : ev.srcElement;
 452
 453                 if (se.nodeType == 3)
 454                         se = se.parentNode;
 455
 456                 var prev = se.previousSibling;
 457                 while (prev && prev.name != name)
 458                         prev = prev.previousSibling;
 459
 460                 var next = se.nextSibling;
 461                 while (next && next.name != name)
 462                         next = next.nextSibling;
 463
 464                 switch (ev.keyCode)
 465                 {
 466                         /* backspace, delete */
 467                         case 8:
 468                         case 46:
 469                                 var jump = (ev.keyCode == 8)
 470                                         ? (prev || next) : (next || prev);
 471
 472                                 if (se.value.length == 0 && jump)
 473                                 {
 474                                         se.parentNode.removeChild(se.nextSibling);
 475                                         se.parentNode.removeChild(se);
 476
 477                                         cbi_dynlist_renumber(jump);
 478
 479                                         if (ev.preventDefault)
 480                                                 ev.preventDefault();
 481
 482                                         return false;
 483                                 }
 484
 485                                 break;
 486
 487                         /* enter */
 488                         case 13:
 489                                 var n = document.createElement('input');
 490                                         n.name       = se.name;
 491                                         n.type       = se.type;
 492
 493                                 cbi_bind(n, 'keydown',  cbi_dynlist_keydown);
 494                                 cbi_bind(n, 'keypress', cbi_dynlist_keypress);
 495
 496                                 if (next)
 497                                 {
 498                                         se.parentNode.insertBefore(n, next);
 499                                         se.parentNode.insertBefore(document.createElement('br'), next);
 500                                 }
 501                                 else
 502                                 {
 503                                         se.parentNode.appendChild(n);
 504                                         se.parentNode.appendChild(document.createElement('br'));
 505                                 }
 506
 507                                 var dt = se.getAttribute('cbi_datatype');
 508                                 var op = se.getAttribute('cbi_optional') == 'true';
 509
 510                                 if (dt)
 511                                         cbi_validate_field(n, op, dt);
 512
 513                                 cbi_dynlist_renumber(n);
 514                                 break;
 515
 516                         /* arrow up */
 517                         case 38:
 518                                 if (prev)
 519                                         prev.focus();
 520
 521                                 break;
 522
 523                         /* arrow down */
 524                         case 40:
 525                                 if (next)
 526                                         next.focus();
 527
 528                                 break;
 529                 }
 530
 531                 return true;
 532         }
 533
 534         var inputs = document.getElementsByName(name);
 535         for( var i = 0; i < inputs.length; i++ )
 536         {
 537                 cbi_bind(inputs[i], 'keydown',  cbi_dynlist_keydown);
 538                 cbi_bind(inputs[i], 'keypress', cbi_dynlist_keypress);
 539         }
 540 }
 541
 542 //Hijacks the CBI form to send via XHR (requires Prototype)
 543 function cbi_hijack_forms(layer, win, fail, load) {
 544         var forms = layer.getElementsByTagName('form');
 545         for (var i=0; i<forms.length; i++) {
 546                 $(forms[i]).observe('submit', function(event) {
 547                         // Prevent the form from also submitting the regular way
 548                         event.stop();
 549
 550                         // Submit via XHR
 551                         event.element().request({
 552                                 onSuccess: win,
 553                                 onFailure: fail
 554                         });
 555
 556                         if (load) {
 557                                 load();
 558                         }
 559                 });
 560         }
 561 }
 562
 563
 564 function cbi_t_add(section, tab) {
 565         var t = document.getElementById('tab.' + section + '.' + tab);
 566         var c = document.getElementById('container.' + section + '.' + tab);
 567
 568         if( t && c ) {
 569                 cbi_t[section] = (cbi_t[section] || [ ]);
 570                 cbi_t[section][tab] = { 'tab': t, 'container': c, 'cid': c.id };
 571         }
 572 }
 573
 574 function cbi_t_switch(section, tab) {
 575         if( cbi_t[section] && cbi_t[section][tab] ) {
 576                 var o = cbi_t[section][tab];
 577                 var h = document.getElementById('tab.' + section);
 578                 for( var tid in cbi_t[section] ) {
 579                         var o2 = cbi_t[section][tid];
 580                         if( o.tab.id != o2.tab.id ) {
 581                                 o2.tab.className = o2.tab.className.replace(/(^| )cbi-tab( |$)/, " cbi-tab-disabled ");
 582                                 o2.container.style.display = 'none';
 583                         }
 584                         else {
 585                                 if(h) h.value = tab;
 586                                 o2.tab.className = o2.tab.className.replace(/(^| )cbi-tab-disabled( |$)/, " cbi-tab ");
 587                                 o2.container.style.display = 'block';
 588                         }
 589                 }
 590         }
 591         return false
 592 }
 593
 594 function cbi_t_update() {
 595         var hl_tabs = [ ];
 596
 597         for( var sid in cbi_t )
 598                 for( var tid in cbi_t[sid] )
 599                         if( cbi_c[cbi_t[sid][tid].cid] == 0 ) {
 600                                 cbi_t[sid][tid].tab.style.display = 'none';
 601                         }
 602                         else if( cbi_t[sid][tid].tab && cbi_t[sid][tid].tab.style.display == 'none' ) {
 603                                 cbi_t[sid][tid].tab.style.display = '';
 604
 605                                 var t = cbi_t[sid][tid].tab;
 606                                 t.className += ' cbi-tab-highlighted';
 607                                 hl_tabs.push(t);
 608                         }
 609
 610         if( hl_tabs.length > 0 )
 611                 window.setTimeout(function() {
 612                         for( var i = 0; i < hl_tabs.length; i++ )
 613                                 hl_tabs[i].className = hl_tabs[i].className.replace(/ cbi-tab-highlighted/g, '');
 614                 }, 750);
 615 }
 616
 617
 618 function cbi_validate_form(form, errmsg)
 619 {
 620         /* if triggered by a section removal or addition, don't validate */
 621         if( form.cbi_state == 'add-section' || form.cbi_state == 'del-section' )
 622                 return true;
 623
 624         if( form.cbi_validators )
 625         {
 626                 for( var i = 0; i < form.cbi_validators.length; i++ )
 627                 {
 628                         var validator = form.cbi_validators[i];
 629                         if( !validator() && errmsg )
 630                         {
 631                                 alert(errmsg);
 632                                 return false;
 633                         }
 634                 }
 635         }
 636
 637         return true;
 638 }
 639
 640 function cbi_validate_reset(form)
 641 {
 642         window.setTimeout(
 643                 function() { cbi_validate_form(form, null) }, 100
 644         );
 645
 646         return true;
 647 }
 648
 649 function cbi_validate_field(cbid, optional, type)
 650 {
 651         var field = (typeof cbid == "string") ? document.getElementById(cbid) : cbid;
 652         var vargs;
 653
 654         if( type.match(/^(\w+)\(([^\(\)]+)\)/) )
 655         {
 656                 type  = RegExp.$1;
 657                 vargs = RegExp.$2.split(/\s*,\s*/);
 658         }
 659
 660         var vldcb = cbi_validators[type];
 661
 662         if( field && vldcb )
 663         {
 664                 var validator = function()
 665                 {
 666                         // is not detached
 667                         if( field.form )
 668                         {
 669                                 field.className = field.className.replace(/ cbi-input-invalid/g, '');
 670
 671                                 // validate value
 672                                 var value = (field.options && field.options.selectedIndex > -1)
 673                                         ? field.options[field.options.selectedIndex].value : field.value;
 674
 675                                 if( !(((value.length == 0) && optional) || vldcb(value, vargs)) )
 676                                 {
 677                                         // invalid
 678                                         field.className += ' cbi-input-invalid';
 679                                         return false;
 680                                 }
 681                         }
 682
 683                         return true;
 684                 };
 685
 686                 if( ! field.form.cbi_validators )
 687                         field.form.cbi_validators = [ ];
 688
 689                 field.form.cbi_validators.push(validator);
 690
 691                 cbi_bind(field, "blur",  validator);
 692                 cbi_bind(field, "keyup", validator);
 693
 694                 if (field.nodeName == 'SELECT')
 695                 {
 696                         cbi_bind(field, "change", validator);
 697                         cbi_bind(field, "click",  validator);
 698                 }
 699
 700                 field.setAttribute("cbi_validate", validator);
 701                 field.setAttribute("cbi_datatype", type);
 702                 field.setAttribute("cbi_optional", (!!optional).toString());
 703
 704                 validator();
 705
 706                 var fcbox = document.getElementById('cbi.combobox.' + field.id);
 707                 if (fcbox)
 708                         cbi_validate_field(fcbox, optional, type);
 709         }
 710 }
 711
 712 if( ! String.serialize )
 713         String.serialize = function(o)
 714         {
 715                 switch(typeof(o))
 716                 {
 717                         case 'object':
 718                                 // null
 719                                 if( o == null )
 720                                 {
 721                                         return 'null';
 722                                 }
 723
 724                                 // array
 725                                 else if( o.length )
 726                                 {
 727                                         var i, s = '';
 728
 729                                         for( var i = 0; i < o.length; i++ )
 730                                                 s += (s ? ', ' : '') + String.serialize(o[i]);
 731
 732                                         return '[ ' + s + ' ]';
 733                                 }
 734
 735                                 // object
 736                                 else
 737                                 {
 738                                         var k, s = '';
 739
 740                                         for( k in o )
 741                                                 s += (s ? ', ' : '') + k + ': ' + String.serialize(o[k]);
 742
 743                                         return '{ ' + s + ' }';
 744                                 }
 745
 746                                 break;
 747
 748                         case 'string':
 749                                 // complex string
 750                                 if( o.match(/[^a-zA-Z0-9_,.: -]/) )
 751                                         return 'decodeURIComponent("' + encodeURIComponent(o) + '")';
 752
 753                                 // simple string
 754                                 else
 755                                         return '"' + o + '"';
 756
 757                                 break;
 758
 759                         default:
 760                                 return o.toString();
 761                 }
 762         }
 763
 764
 765 if( ! String.format )
 766         String.format = function()
 767         {
 768                 if (!arguments || arguments.length < 1 || !RegExp)
 769                         return;
 770
 771                 var html_esc = [/&/g, '&#38;', /"/g, '&#34;', /'/g, '&#39;', /</g, '&#60;', />/g, '&#62;'];
 772                 var quot_esc = [/"/g, '&#34;', /'/g, '&#39;'];
 773
 774                 function esc(s, r) {
 775                         for( var i = 0; i < r.length; i += 2 )
 776                                 s = s.replace(r[i], r[i+1]);
 777                         return s;
 778                 }
 779
 780                 var str = arguments[0];
 781                 var out = '';
 782                 var re = /^(([^%]*)%('.|0|\x20)?(-)?(\d+)?(\.\d+)?(%|b|c|d|u|f|o|s|x|X|q|h|j|t))/;
 783                 var a = b = [], numSubstitutions = 0, numMatches = 0;
 784
 785                 while( a = re.exec(str) )
 786                 {
 787                         var m = a[1];
 788                         var leftpart = a[2], pPad = a[3], pJustify = a[4], pMinLength = a[5];
 789                         var pPrecision = a[6], pType = a[7];
 790
 791                         numMatches++;
 792
 793                         if (pType == '%')
 794                         {
 795                                 subst = '%';
 796                         }
 797                         else
 798                         {
 799                                 if (numSubstitutions++ < arguments.length)
 800                                 {
 801                                         var param = arguments[numSubstitutions];
 802
 803                                         var pad = '';
 804                                         if (pPad && pPad.substr(0,1) == "'")
 805                                                 pad = leftpart.substr(1,1);
 806                                         else if (pPad)
 807                                                 pad = pPad;
 808
 809                                         var justifyRight = true;
 810                                         if (pJustify && pJustify === "-")
 811                                                 justifyRight = false;
 812
 813                                         var minLength = -1;
 814                                         if (pMinLength)
 815                                                 minLength = parseInt(pMinLength);
 816
 817                                         var precision = -1;
 818                                         if (pPrecision && pType == 'f')
 819                                                 precision = parseInt(pPrecision.substring(1));
 820
 821                                         var subst = param;
 822
 823                                         switch(pType)
 824                                         {
 825                                                 case 'b':
 826                                                         subst = (parseInt(param) || 0).toString(2);
 827                                                         break;
 828
 829                                                 case 'c':
 830                                                         subst = String.fromCharCode(parseInt(param) || 0);
 831                                                         break;
 832
 833                                                 case 'd':
 834                                                         subst = (parseInt(param) || 0);
 835                                                         break;
 836
 837                                                 case 'u':
 838                                                         subst = Math.abs(parseInt(param) || 0);
 839                                                         break;
 840
 841                                                 case 'f':
 842                                                         subst = (precision > -1)
 843                                                                 ? ((parseFloat(param) || 0.0)).toFixed(precision)
 844                                                                 : (parseFloat(param) || 0.0);
 845                                                         break;
 846
 847                                                 case 'o':
 848                                                         subst = (parseInt(param) || 0).toString(8);
 849                                                         break;
 850
 851                                                 case 's':
 852                                                         subst = param;
 853                                                         break;
 854
 855                                                 case 'x':
 856                                                         subst = ('' + (parseInt(param) || 0).toString(16)).toLowerCase();
 857                                                         break;
 858
 859                                                 case 'X':
 860                                                         subst = ('' + (parseInt(param) || 0).toString(16)).toUpperCase();
 861                                                         break;
 862
 863                                                 case 'h':
 864                                                         subst = esc(param, html_esc);
 865                                                         break;
 866
 867                                                 case 'q':
 868                                                         subst = esc(param, quot_esc);
 869                                                         break;
 870
 871                                                 case 'j':
 872                                                         subst = String.serialize(param);
 873                                                         break;
 874
 875                                                 case 't':
 876                                                         var td = 0;
 877                                                         var th = 0;
 878                                                         var tm = 0;
 879                                                         var ts = (param || 0);
 880
 881                                                         if (ts > 60) {
 882                                                                 tm = Math.floor(ts / 60);
 883                                                                 ts = (ts % 60);
 884                                                         }
 885
 886                                                         if (tm > 60) {
 887                                                                 th = Math.floor(tm / 60);
 888                                                                 tm = (tm % 60);
 889                                                         }
 890
 891                                                         if (th > 24) {
 892                                                                 td = Math.floor(th / 24);
 893                                                                 th = (th % 24);
 894                                                         }
 895
 896                                                         subst = (td > 0)
 897                                                                 ? String.format('%dd %dh %dm %ds', td, th, tm, ts)
 898                                                                 : String.format('%dh %dm %ds', th, tm, ts);
 899
 900                                                         break;
 901                                         }
 902                                 }
 903                         }
 904
 905                         out += leftpart + subst;
 906                         str = str.substr(m.length);
 907                 }
 908
 909                 return out + str;
 910         }