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[project/luci.git] / 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]+$/) != null);
23 },
24
25 'uinteger': function(v)
26 {
27 return (cbi_validators.integer(v) && (v >= 0));
28 },
29
30 'float': function(v)
31 {
32 return !isNaN(parseFloat(v));
33 },
34
35 'ufloat': function(v)
36 {
37 return (cbi_validators['float'](v) && (v >= 0));
38 },
39
40 'ipaddr': function(v)
41 {
42 return cbi_validators.ip4addr(v) || cbi_validators.ip6addr(v);
43 },
44
45 'ip4addr': function(v)
46 {
47 if( v.match(/^(\d+)\.(\d+)\.(\d+)\.(\d+)(\/(\d+))?$/) )
48 {
49 return (RegExp.$1 >= 0) && (RegExp.$1 <= 255) &&
50 (RegExp.$2 >= 0) && (RegExp.$2 <= 255) &&
51 (RegExp.$3 >= 0) && (RegExp.$3 <= 255) &&
52 (RegExp.$4 >= 0) && (RegExp.$4 <= 255) &&
53 (!RegExp.$5 || ((RegExp.$6 >= 0) && (RegExp.$6 <= 32)))
54 ;
55 }
56
57 return false;
58 },
59
60 'ip6addr': function(v)
61 {
62 if( v.match(/^([a-fA-F0-9:.]+)(\/(\d+))?$/) )
63 {
64 if( !RegExp.$2 || ((RegExp.$3 >= 0) && (RegExp.$3 <= 128)) )
65 {
66 var addr = RegExp.$1;
67
68 if( addr == '::' )
69 {
70 return true;
71 }
72
73 if( addr.indexOf('.') > 0 )
74 {
75 var off = addr.lastIndexOf(':');
76
77 if( !(off && cbi_validators.ip4addr(addr.substr(off+1))) )
78 return false;
79
80 addr = addr.substr(0, off) + ':0:0';
81 }
82
83 if( addr.indexOf('::') >= 0 )
84 {
85 var colons = 0;
86 var fill = '0';
87
88 for( var i = 1; i < (addr.length-1); i++ )
89 if( addr.charAt(i) == ':' )
90 colons++;
91
92 if( colons > 7 )
93 return false;
94
95 for( var i = 0; i < (7 - colons); i++ )
96 fill += ':0';
97
98 if (addr.match(/^(.*?)::(.*?)$/))
99 addr = (RegExp.$1 ? RegExp.$1 + ':' : '') + fill +
100 (RegExp.$2 ? ':' + RegExp.$2 : '');
101 }
102
103 return (addr.match(/^(?:[a-fA-F0-9]{1,4}:){7}[a-fA-F0-9]{1,4}$/) != null);
104 }
105 }
106
107 return false;
108 },
109
110 'port': function(v)
111 {
112 return cbi_validators.integer(v) && (v >= 0) && (v <= 65535);
113 },
114
115 'portrange': function(v)
116 {
117 if( v.match(/^(\d+)-(\d+)$/) )
118 {
119 var p1 = RegExp.$1;
120 var p2 = RegExp.$2;
121
122 return cbi_validators.port(p1) &&
123 cbi_validators.port(p2) &&
124 (parseInt(p1) <= parseInt(p2))
125 ;
126 }
127 else
128 {
129 return cbi_validators.port(v);
130 }
131 },
132
133 'macaddr': function(v)
134 {
135 return (v.match(/^([a-fA-F0-9]{2}:){5}[a-fA-F0-9]{2}$/) != null);
136 },
137
138 'host': function(v)
139 {
140 return cbi_validators.hostname(v) || cbi_validators.ipaddr(v);
141 },
142
143 'hostname': function(v)
144 { if ( v.length <= 253 )
145 return (v.match(/^[a-zA-Z0-9][a-zA-Z0-9\-.]*[a-zA-Z0-9]$/) != null);
146 },
147
148 'wpakey': function(v)
149 {
150 if( v.length == 64 )
151 return (v.match(/^[a-fA-F0-9]{64}$/) != null);
152 else
153 return (v.length >= 8) && (v.length <= 63);
154 },
155
156 'wepkey': function(v)
157 {
158 if( v.substr(0,2) == 's:' )
159 v = v.substr(2);
160
161 if( (v.length == 10) || (v.length == 26) )
162 return (v.match(/^[a-fA-F0-9]{10,26}$/) != null);
163 else
164 return (v.length == 5) || (v.length == 13);
165 },
166
167 'uciname': function(v)
168 {
169 return (v.match(/^[a-zA-Z0-9_]+$/) != null);
170 },
171
172 'range': function(v, args)
173 {
174 var min = parseInt(args[0]);
175 var max = parseInt(args[1]);
176 var val = parseInt(v);
177
178 if (!isNaN(min) && !isNaN(max) && !isNaN(val))
179 return ((val >= min) && (val <= max));
180
181 return false;
182 }
183 };
184
185
186 function cbi_d_add(field, dep, next) {
187 var obj = document.getElementById(field);
188 if (obj) {
189 var entry
190 for (var i=0; i<cbi_d.length; i++) {
191 if (cbi_d[i].id == field) {
192 entry = cbi_d[i];
193 break;
194 }
195 }
196 if (!entry) {
197 entry = {
198 "node": obj,
199 "id": field,
200 "parent": obj.parentNode.id,
201 "next": next,
202 "deps": []
203 };
204 cbi_d.unshift(entry);
205 }
206 entry.deps.push(dep)
207 }
208 }
209
210 function cbi_d_checkvalue(target, ref) {
211 var t = document.getElementById(target);
212 var value;
213
214 if (!t) {
215 var tl = document.getElementsByName(target);
216
217 if( tl.length > 0 && tl[0].type == 'radio' )
218 for( var i = 0; i < tl.length; i++ )
219 if( tl[i].checked ) {
220 value = tl[i].value;
221 break;
222 }
223
224 value = value ? value : "";
225 } else if (!t.value) {
226 value = "";
227 } else {
228 value = t.value;
229
230 if (t.type == "checkbox") {
231 value = t.checked ? value : "";
232 }
233 }
234
235 return (value == ref)
236 }
237
238 function cbi_d_check(deps) {
239 var reverse;
240 var def = false;
241 for (var i=0; i<deps.length; i++) {
242 var istat = true;
243 reverse = false;
244 for (var j in deps[i]) {
245 if (j == "!reverse") {
246 reverse = true;
247 } else if (j == "!default") {
248 def = true;
249 istat = false;
250 } else {
251 istat = (istat && cbi_d_checkvalue(j, deps[i][j]))
252 }
253 }
254 if (istat) {
255 return !reverse;
256 }
257 }
258 return def;
259 }
260
261 function cbi_d_update() {
262 var state = false;
263 for (var i=0; i<cbi_d.length; i++) {
264 var entry = cbi_d[i];
265 var next = document.getElementById(entry.next)
266 var node = document.getElementById(entry.id)
267 var parent = document.getElementById(entry.parent)
268
269 if (node && node.parentNode && !cbi_d_check(entry.deps)) {
270 node.parentNode.removeChild(node);
271 state = true;
272 if( entry.parent )
273 cbi_c[entry.parent]--;
274 } else if ((!node || !node.parentNode) && cbi_d_check(entry.deps)) {
275 if (!next) {
276 parent.appendChild(entry.node);
277 } else {
278 next.parentNode.insertBefore(entry.node, next);
279 }
280 state = true;
281 if( entry.parent )
282 cbi_c[entry.parent]++;
283 }
284 }
285
286 if (entry && entry.parent) {
287 cbi_t_update();
288 }
289
290 if (state) {
291 cbi_d_update();
292 }
293 }
294
295 function cbi_bind(obj, type, callback, mode) {
296 if (!obj.addEventListener) {
297 obj.attachEvent('on' + type,
298 function(){
299 var e = window.event;
300
301 if (!e.target && e.srcElement)
302 e.target = e.srcElement;
303
304 return !!callback(e);
305 }
306 );
307 } else {
308 obj.addEventListener(type, callback, !!mode);
309 }
310 return obj;
311 }
312
313 function cbi_combobox(id, values, def, man) {
314 var selid = "cbi.combobox." + id;
315 if (document.getElementById(selid)) {
316 return
317 }
318
319 var obj = document.getElementById(id)
320 var sel = document.createElement("select");
321 sel.id = selid;
322 sel.className = 'cbi-input-select';
323
324 if (obj.nextSibling) {
325 obj.parentNode.insertBefore(sel, obj.nextSibling);
326 } else {
327 obj.parentNode.appendChild(sel);
328 }
329
330 var dt = obj.getAttribute('cbi_datatype');
331 var op = obj.getAttribute('cbi_optional');
332
333 if (dt)
334 cbi_validate_field(sel, op == 'true', dt);
335
336 if (!values[obj.value]) {
337 if (obj.value == "") {
338 var optdef = document.createElement("option");
339 optdef.value = "";
340 optdef.appendChild(document.createTextNode(def));
341 sel.appendChild(optdef);
342 } else {
343 var opt = document.createElement("option");
344 opt.value = obj.value;
345 opt.selected = "selected";
346 opt.appendChild(document.createTextNode(obj.value));
347 sel.appendChild(opt);
348 }
349 }
350
351 for (var i in values) {
352 var opt = document.createElement("option");
353 opt.value = i;
354
355 if (obj.value == i) {
356 opt.selected = "selected";
357 }
358
359 opt.appendChild(document.createTextNode(values[i]));
360 sel.appendChild(opt);
361 }
362
363 var optman = document.createElement("option");
364 optman.value = "";
365 optman.appendChild(document.createTextNode(man));
366 sel.appendChild(optman);
367
368 obj.style.display = "none";
369
370 cbi_bind(sel, "change", function() {
371 if (sel.selectedIndex == sel.options.length - 1) {
372 obj.style.display = "inline";
373 sel.parentNode.removeChild(sel);
374 obj.focus();
375 } else {
376 obj.value = sel.options[sel.selectedIndex].value;
377 }
378
379 try {
380 cbi_d_update();
381 } catch (e) {
382 //Do nothing
383 }
384 })
385 }
386
387 function cbi_combobox_init(id, values, def, man) {
388 var obj = document.getElementById(id);
389 cbi_bind(obj, "blur", function() {
390 cbi_combobox(id, values, def, man)
391 });
392 cbi_combobox(id, values, def, man);
393 }
394
395 function cbi_filebrowser(id, url, defpath) {
396 var field = document.getElementById(id);
397 var browser = window.open(
398 url + ( field.value || defpath || '' ) + '?field=' + id,
399 "luci_filebrowser", "width=300,height=400,left=100,top=200,scrollbars=yes"
400 );
401
402 browser.focus();
403 }
404
405 function cbi_browser_init(id, respath, url, defpath)
406 {
407 function cbi_browser_btnclick(e) {
408 cbi_filebrowser(id, url, defpath);
409 return false;
410 }
411
412 var field = document.getElementById(id);
413
414 var btn = document.createElement('img');
415 btn.className = 'cbi-image-button';
416 btn.src = respath + '/cbi/folder.gif';
417 field.parentNode.insertBefore(btn, field.nextSibling);
418
419 cbi_bind(btn, 'click', cbi_browser_btnclick);
420 }
421
422 function cbi_dynlist_init(name, respath)
423 {
424 function cbi_dynlist_renumber(e)
425 {
426 /* in a perfect world, we could just getElementsByName() - but not if
427 * MSIE is involved... */
428 var inputs = [ ]; // = document.getElementsByName(name);
429 for (var i = 0; i < e.parentNode.childNodes.length; i++)
430 if (e.parentNode.childNodes[i].name == name)
431 inputs.push(e.parentNode.childNodes[i]);
432
433 for (var i = 0; i < inputs.length; i++)
434 {
435 inputs[i].id = name + '.' + (i + 1);
436 inputs[i].nextSibling.src = respath + (
437 (i+1) < inputs.length ? '/cbi/remove.gif' : '/cbi/add.gif'
438 );
439 }
440
441 e.focus();
442 }
443
444 function cbi_dynlist_keypress(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 switch (ev.keyCode)
454 {
455 /* backspace, delete */
456 case 8:
457 case 46:
458 if (se.value.length == 0)
459 {
460 if (ev.preventDefault)
461 ev.preventDefault();
462
463 return false;
464 }
465
466 return true;
467
468 /* enter, arrow up, arrow down */
469 case 13:
470 case 38:
471 case 40:
472 if (ev.preventDefault)
473 ev.preventDefault();
474
475 return false;
476 }
477
478 return true;
479 }
480
481 function cbi_dynlist_keydown(ev)
482 {
483 ev = ev ? ev : window.event;
484
485 var se = ev.target ? ev.target : ev.srcElement;
486
487 if (se.nodeType == 3)
488 se = se.parentNode;
489
490 var prev = se.previousSibling;
491 while (prev && prev.name != name)
492 prev = prev.previousSibling;
493
494 var next = se.nextSibling;
495 while (next && next.name != name)
496 next = next.nextSibling;
497
498 switch (ev.keyCode)
499 {
500 /* backspace, delete */
501 case 8:
502 case 46:
503 var jump = (ev.keyCode == 8)
504 ? (prev || next) : (next || prev);
505
506 if (se.value.length == 0 && jump)
507 {
508 se.parentNode.removeChild(se.nextSibling.nextSibling);
509 se.parentNode.removeChild(se.nextSibling);
510 se.parentNode.removeChild(se);
511
512 cbi_dynlist_renumber(jump);
513
514 if (ev.preventDefault)
515 ev.preventDefault();
516
517 /* IE Quirk, needs double focus somehow */
518 jump.focus();
519
520 return false;
521 }
522
523 break;
524
525 /* enter */
526 case 13:
527 var n = document.createElement('input');
528 n.name = se.name;
529 n.type = se.type;
530
531 var b = document.createElement('img');
532
533 cbi_bind(n, 'keydown', cbi_dynlist_keydown);
534 cbi_bind(n, 'keypress', cbi_dynlist_keypress);
535 cbi_bind(b, 'click', cbi_dynlist_btnclick);
536
537 if (next)
538 {
539 se.parentNode.insertBefore(n, next);
540 se.parentNode.insertBefore(b, next);
541 se.parentNode.insertBefore(document.createElement('br'), next);
542 }
543 else
544 {
545 se.parentNode.appendChild(n);
546 se.parentNode.appendChild(b);
547 se.parentNode.appendChild(document.createElement('br'));
548 }
549
550 var dt = se.getAttribute('cbi_datatype');
551 var op = se.getAttribute('cbi_optional') == 'true';
552
553 if (dt)
554 cbi_validate_field(n, op, dt);
555
556 cbi_dynlist_renumber(n);
557 break;
558
559 /* arrow up */
560 case 38:
561 if (prev)
562 prev.focus();
563
564 break;
565
566 /* arrow down */
567 case 40:
568 if (next)
569 next.focus();
570
571 break;
572 }
573
574 return true;
575 }
576
577 function cbi_dynlist_btnclick(ev)
578 {
579 ev = ev ? ev : window.event;
580
581 var se = ev.target ? ev.target : ev.srcElement;
582
583 if (se.src.indexOf('remove') > -1)
584 {
585 se.previousSibling.value = '';
586
587 cbi_dynlist_keydown({
588 target: se.previousSibling,
589 keyCode: 8
590 });
591 }
592 else
593 {
594 cbi_dynlist_keydown({
595 target: se.previousSibling,
596 keyCode: 13
597 });
598 }
599
600 return false;
601 }
602
603 var inputs = document.getElementsByName(name);
604 for( var i = 0; i < inputs.length; i++ )
605 {
606 var btn = document.createElement('img');
607 btn.className = 'cbi-image-button';
608 btn.src = respath + (
609 (i+1) < inputs.length ? '/cbi/remove.gif' : '/cbi/add.gif'
610 );
611
612 inputs[i].parentNode.insertBefore(btn, inputs[i].nextSibling);
613
614 cbi_bind(inputs[i], 'keydown', cbi_dynlist_keydown);
615 cbi_bind(inputs[i], 'keypress', cbi_dynlist_keypress);
616 cbi_bind(btn, 'click', cbi_dynlist_btnclick);
617 }
618 }
619
620 //Hijacks the CBI form to send via XHR (requires Prototype)
621 function cbi_hijack_forms(layer, win, fail, load) {
622 var forms = layer.getElementsByTagName('form');
623 for (var i=0; i<forms.length; i++) {
624 $(forms[i]).observe('submit', function(event) {
625 // Prevent the form from also submitting the regular way
626 event.stop();
627
628 // Submit via XHR
629 event.element().request({
630 onSuccess: win,
631 onFailure: fail
632 });
633
634 if (load) {
635 load();
636 }
637 });
638 }
639 }
640
641
642 function cbi_t_add(section, tab) {
643 var t = document.getElementById('tab.' + section + '.' + tab);
644 var c = document.getElementById('container.' + section + '.' + tab);
645
646 if( t && c ) {
647 cbi_t[section] = (cbi_t[section] || [ ]);
648 cbi_t[section][tab] = { 'tab': t, 'container': c, 'cid': c.id };
649 }
650 }
651
652 function cbi_t_switch(section, tab) {
653 if( cbi_t[section] && cbi_t[section][tab] ) {
654 var o = cbi_t[section][tab];
655 var h = document.getElementById('tab.' + section);
656 for( var tid in cbi_t[section] ) {
657 var o2 = cbi_t[section][tid];
658 if( o.tab.id != o2.tab.id ) {
659 o2.tab.className = o2.tab.className.replace(/(^| )cbi-tab( |$)/, " cbi-tab-disabled ");
660 o2.container.style.display = 'none';
661 }
662 else {
663 if(h) h.value = tab;
664 o2.tab.className = o2.tab.className.replace(/(^| )cbi-tab-disabled( |$)/, " cbi-tab ");
665 o2.container.style.display = 'block';
666 }
667 }
668 }
669 return false
670 }
671
672 function cbi_t_update() {
673 var hl_tabs = [ ];
674
675 for( var sid in cbi_t )
676 for( var tid in cbi_t[sid] )
677 if( cbi_c[cbi_t[sid][tid].cid] == 0 ) {
678 cbi_t[sid][tid].tab.style.display = 'none';
679 }
680 else if( cbi_t[sid][tid].tab && cbi_t[sid][tid].tab.style.display == 'none' ) {
681 cbi_t[sid][tid].tab.style.display = '';
682
683 var t = cbi_t[sid][tid].tab;
684 t.className += ' cbi-tab-highlighted';
685 hl_tabs.push(t);
686 }
687
688 if( hl_tabs.length > 0 )
689 window.setTimeout(function() {
690 for( var i = 0; i < hl_tabs.length; i++ )
691 hl_tabs[i].className = hl_tabs[i].className.replace(/ cbi-tab-highlighted/g, '');
692 }, 750);
693 }
694
695
696 function cbi_validate_form(form, errmsg)
697 {
698 /* if triggered by a section removal or addition, don't validate */
699 if( form.cbi_state == 'add-section' || form.cbi_state == 'del-section' )
700 return true;
701
702 if( form.cbi_validators )
703 {
704 for( var i = 0; i < form.cbi_validators.length; i++ )
705 {
706 var validator = form.cbi_validators[i];
707 if( !validator() && errmsg )
708 {
709 alert(errmsg);
710 return false;
711 }
712 }
713 }
714
715 return true;
716 }
717
718 function cbi_validate_reset(form)
719 {
720 window.setTimeout(
721 function() { cbi_validate_form(form, null) }, 100
722 );
723
724 return true;
725 }
726
727 function cbi_validate_field(cbid, optional, type)
728 {
729 var field = (typeof cbid == "string") ? document.getElementById(cbid) : cbid;
730 var vargs;
731
732 if( type.match(/^(\w+)\(([^\(\)]+)\)/) )
733 {
734 type = RegExp.$1;
735 vargs = RegExp.$2.split(/\s*,\s*/);
736 }
737
738 var vldcb = cbi_validators[type];
739
740 if( field && vldcb )
741 {
742 var validator = function()
743 {
744 // is not detached
745 if( field.form )
746 {
747 field.className = field.className.replace(/ cbi-input-invalid/g, '');
748
749 // validate value
750 var value = (field.options && field.options.selectedIndex > -1)
751 ? field.options[field.options.selectedIndex].value : field.value;
752
753 if( !(((value.length == 0) && optional) || vldcb(value, vargs)) )
754 {
755 // invalid
756 field.className += ' cbi-input-invalid';
757 return false;
758 }
759 }
760
761 return true;
762 };
763
764 if( ! field.form.cbi_validators )
765 field.form.cbi_validators = [ ];
766
767 field.form.cbi_validators.push(validator);
768
769 cbi_bind(field, "blur", validator);
770 cbi_bind(field, "keyup", validator);
771
772 if (field.nodeName == 'SELECT')
773 {
774 cbi_bind(field, "change", validator);
775 cbi_bind(field, "click", validator);
776 }
777
778 field.setAttribute("cbi_validate", validator);
779 field.setAttribute("cbi_datatype", type);
780 field.setAttribute("cbi_optional", (!!optional).toString());
781
782 validator();
783
784 var fcbox = document.getElementById('cbi.combobox.' + field.id);
785 if (fcbox)
786 cbi_validate_field(fcbox, optional, type);
787 }
788 }
789
790 function cbi_row_swap(elem, up, store)
791 {
792 var tr = elem.parentNode;
793 while (tr && tr.nodeName.toLowerCase() != 'tr')
794 tr = tr.parentNode;
795
796 if (!tr)
797 return false;
798
799 var table = tr.parentNode;
800 while (table && table.nodeName.toLowerCase() != 'table')
801 table = table.parentNode;
802
803 if (!table)
804 return false;
805
806 var s = up ? 3 : 2;
807 var e = up ? table.rows.length : table.rows.length - 1;
808
809 for (var idx = s; idx < e; idx++)
810 {
811 if (table.rows[idx] == tr)
812 {
813 if (up)
814 tr.parentNode.insertBefore(table.rows[idx], table.rows[idx-1]);
815 else
816 tr.parentNode.insertBefore(table.rows[idx+1], table.rows[idx]);
817
818 break;
819 }
820 }
821
822 var ids = [ ];
823 for (idx = 2; idx < table.rows.length; idx++)
824 {
825 table.rows[idx].className = table.rows[idx].className.replace(
826 /cbi-rowstyle-[12]/, 'cbi-rowstyle-' + (1 + (idx % 2))
827 );
828
829 if (table.rows[idx].id && table.rows[idx].id.match(/-([^\-]+)$/) )
830 ids.push(RegExp.$1);
831 }
832
833 var input = document.getElementById(store);
834 if (input)
835 input.value = ids.join(' ');
836
837 return false;
838 }
839
840 if( ! String.serialize )
841 String.serialize = function(o)
842 {
843 switch(typeof(o))
844 {
845 case 'object':
846 // null
847 if( o == null )
848 {
849 return 'null';
850 }
851
852 // array
853 else if( o.length )
854 {
855 var i, s = '';
856
857 for( var i = 0; i < o.length; i++ )
858 s += (s ? ', ' : '') + String.serialize(o[i]);
859
860 return '[ ' + s + ' ]';
861 }
862
863 // object
864 else
865 {
866 var k, s = '';
867
868 for( k in o )
869 s += (s ? ', ' : '') + k + ': ' + String.serialize(o[k]);
870
871 return '{ ' + s + ' }';
872 }
873
874 break;
875
876 case 'string':
877 // complex string
878 if( o.match(/[^a-zA-Z0-9_,.: -]/) )
879 return 'decodeURIComponent("' + encodeURIComponent(o) + '")';
880
881 // simple string
882 else
883 return '"' + o + '"';
884
885 break;
886
887 default:
888 return o.toString();
889 }
890 }
891
892
893 if( ! String.format )
894 String.format = function()
895 {
896 if (!arguments || arguments.length < 1 || !RegExp)
897 return;
898
899 var html_esc = [/&/g, '&#38;', /"/g, '&#34;', /'/g, '&#39;', /</g, '&#60;', />/g, '&#62;'];
900 var quot_esc = [/"/g, '&#34;', /'/g, '&#39;'];
901
902 function esc(s, r) {
903 for( var i = 0; i < r.length; i += 2 )
904 s = s.replace(r[i], r[i+1]);
905 return s;
906 }
907
908 var str = arguments[0];
909 var out = '';
910 var re = /^(([^%]*)%('.|0|\x20)?(-)?(\d+)?(\.\d+)?(%|b|c|d|u|f|o|s|x|X|q|h|j|t|m))/;
911 var a = b = [], numSubstitutions = 0, numMatches = 0;
912
913 while( a = re.exec(str) )
914 {
915 var m = a[1];
916 var leftpart = a[2], pPad = a[3], pJustify = a[4], pMinLength = a[5];
917 var pPrecision = a[6], pType = a[7];
918
919 numMatches++;
920
921 if (pType == '%')
922 {
923 subst = '%';
924 }
925 else
926 {
927 if (numSubstitutions++ < arguments.length)
928 {
929 var param = arguments[numSubstitutions];
930
931 var pad = '';
932 if (pPad && pPad.substr(0,1) == "'")
933 pad = leftpart.substr(1,1);
934 else if (pPad)
935 pad = pPad;
936
937 var justifyRight = true;
938 if (pJustify && pJustify === "-")
939 justifyRight = false;
940
941 var minLength = -1;
942 if (pMinLength)
943 minLength = parseInt(pMinLength);
944
945 var precision = -1;
946 if (pPrecision && pType == 'f')
947 precision = parseInt(pPrecision.substring(1));
948
949 var subst = param;
950
951 switch(pType)
952 {
953 case 'b':
954 subst = (parseInt(param) || 0).toString(2);
955 break;
956
957 case 'c':
958 subst = String.fromCharCode(parseInt(param) || 0);
959 break;
960
961 case 'd':
962 subst = (parseInt(param) || 0);
963 break;
964
965 case 'u':
966 subst = Math.abs(parseInt(param) || 0);
967 break;
968
969 case 'f':
970 subst = (precision > -1)
971 ? ((parseFloat(param) || 0.0)).toFixed(precision)
972 : (parseFloat(param) || 0.0);
973 break;
974
975 case 'o':
976 subst = (parseInt(param) || 0).toString(8);
977 break;
978
979 case 's':
980 subst = param;
981 break;
982
983 case 'x':
984 subst = ('' + (parseInt(param) || 0).toString(16)).toLowerCase();
985 break;
986
987 case 'X':
988 subst = ('' + (parseInt(param) || 0).toString(16)).toUpperCase();
989 break;
990
991 case 'h':
992 subst = esc(param, html_esc);
993 break;
994
995 case 'q':
996 subst = esc(param, quot_esc);
997 break;
998
999 case 'j':
1000 subst = String.serialize(param);
1001 break;
1002
1003 case 't':
1004 var td = 0;
1005 var th = 0;
1006 var tm = 0;
1007 var ts = (param || 0);
1008
1009 if (ts > 60) {
1010 tm = Math.floor(ts / 60);
1011 ts = (ts % 60);
1012 }
1013
1014 if (tm > 60) {
1015 th = Math.floor(tm / 60);
1016 tm = (tm % 60);
1017 }
1018
1019 if (th > 24) {
1020 td = Math.floor(th / 24);
1021 th = (th % 24);
1022 }
1023
1024 subst = (td > 0)
1025 ? String.format('%dd %dh %dm %ds', td, th, tm, ts)
1026 : String.format('%dh %dm %ds', th, tm, ts);
1027
1028 break;
1029
1030 case 'm':
1031 var mf = pMinLength ? parseInt(pMinLength) : 1000;
1032 var pr = pPrecision ? Math.floor(10*parseFloat('0'+pPrecision)) : 2;
1033
1034 var i = 0;
1035 var val = parseFloat(param || 0);
1036 var units = [ '', 'K', 'M', 'G', 'T', 'P', 'E' ];
1037
1038 for (i = 0; (i < units.length) && (val > mf); i++)
1039 val /= mf;
1040
1041 subst = val.toFixed(pr) + ' ' + units[i];
1042 break;
1043 }
1044 }
1045 }
1046
1047 out += leftpart + subst;
1048 str = str.substr(m.length);
1049 }
1050
1051 return out + str;
1052 }
Lua Configuration Interface (mirror)