710 lines
22 KiB
JavaScript
710 lines
22 KiB
JavaScript
/*
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Copyright 2008-2013 Clipperz Srl
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This file is part of Clipperz, the online password manager.
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For further information about its features and functionalities please
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refer to http://www.clipperz.com.
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* Clipperz is free software: you can redistribute it and/or modify it
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under the terms of the GNU Affero General Public License as published
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by the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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* Clipperz is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU Affero General Public License for more details.
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* You should have received a copy of the GNU Affero General Public
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License along with Clipperz. If not, see http://www.gnu.org/licenses/.
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*/
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if (typeof(Clipperz) == 'undefined') { Clipperz = {}; }
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if (typeof(Clipperz.YUI) == 'undefined') { Clipperz.YUI = {}; }
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/*
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* yui-ext 0.40
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* Copyright(c) 2006, Jack Slocum.
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*/
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/**
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* @class Clipperz.YUI.DomQuery
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* Provides high performance selector/xpath processing by compiling queries into reusable functions.
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* New pseudo classes and matchers can be plugged. It works on HTML and XML documents (if a content node is passed in).
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* @singleton
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*/
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Clipperz.YUI.DomQuery = function(){
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var cache = {}, simpleCache = {}, valueCache = {};
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var nonSpace = /\S/;
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var trimRe = /^\s*(.*?)\s*$/;
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var tplRe = /\{(\d+)\}/g;
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var modeRe = /^(\s?[\/>]\s?|\s|$)/;
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var clsRes = {};
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function child(p, index){
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var i = 0;
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var n = p.firstChild;
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while(n){
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if(n.nodeType == 1){
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i++;
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if(i == index){
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return n;
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}
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}
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n = n.nextSibling;
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}
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return null;
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};
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function next(d){
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var n = d.nextSibling;
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while(n && n.nodeType != 1){
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n = n.nextSibling;
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}
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return n;
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};
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function prev(d){
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var n = d.previousSibling;
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while(n && n.nodeType != 1){
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n = n.previousSibling;
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}
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return n;
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};
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function clean(d){
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var n = d.firstChild, ni = -1;
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while(n){
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var nx = n.nextSibling;
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if(n.nodeType == 3 && !nonSpace.test(n.nodeValue)){
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d.removeChild(n);
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}else{
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n.nodeIndex = ++ni;
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}
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n = nx;
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}
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return this;
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};
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function byClassName(c, a, v){
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if(!v){
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return c;
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}
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var re = clsRes[v];
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if(!re){
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re = new RegExp('(?:^|\\s)(?:' + v + ')(?:\\s|$)');
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clsRes[v] = re;
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}
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var r = [];
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for(var i = 0, ci; ci = c[i]; i++){
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if(re.test(ci.className)){
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r[r.length] = ci;
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}
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}
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return r;
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};
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function convert(c){
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if(c.slice){
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return c;
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}
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var r = [];
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for(var i = 0, l = c.length; i < l; i++){
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r[r.length] = c[i];
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}
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return r;
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};
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function attrValue(n, attr){
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if(!n.tagName && typeof n.length != 'undefined'){
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n = n[0];
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}
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if(!n){
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return null;
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}
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if(attr == 'for'){
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return n.htmlFor;
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}
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if(attr == 'class' || attr == 'className'){
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return n.className;
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}
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return n.getAttribute(attr) || n[attr];
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};
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function getNodes(ns, mode, tagName){
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var result = [], cs;
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if(!ns){
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return result;
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}
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mode = mode ? mode.replace(trimRe, '$1') : '';
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tagName = tagName || '*';
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if(ns.tagName || ns == document){
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ns = [ns];
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}
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if(mode != '/' && mode != '>'){
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for(var i = 0, ni; ni = ns[i]; i++){
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cs = ni.getElementsByTagName(tagName);
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result = concat(result, cs);
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}
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}else{
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for(var i = 0, ni; ni = ns[i]; i++){
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var cn = ni.getElementsByTagName(tagName);
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for(var j = 0, cj; cj = cn[j]; j++){
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if(cj.parentNode == ni){
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result[result.length] = cj;
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}
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}
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}
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}
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return result;
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};
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function concat(a, b){
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if(b.slice){
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return a.concat(b);
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}
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for(var i = 0, l = b.length; i < l; i++){
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a[a.length] = b[i];
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}
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return a;
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}
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function byTag(cs, tagName){
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if(cs.tagName || cs == document){
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cs = [cs];
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}
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if(!tagName){
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return cs;
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}
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var r = []; tagName = tagName.toLowerCase();
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for(var i = 0, ci; ci = cs[i]; i++){
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if(ci.nodeType == 1 && ci.tagName.toLowerCase()==tagName){
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r[r.length] = ci;
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}
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}
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return r;
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};
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function byId(cs, attr, id){
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if(cs.tagName || cs == document){
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cs = [cs];
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}
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if(!id){
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return cs;
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}
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var r = [];
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for(var i = 0, l = cs.length; i < l; i++){
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var ci = cs[i];
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if(ci && ci.id == id){
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r[r.length] = ci;
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}
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}
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return r;
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};
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function byAttribute(cs, attr, value, op, custom){
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var r = [], st = custom=='{';
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var f = Clipperz.YUI.DomQuery.operators[op];
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for(var i = 0, l = cs.length; i < l; i++){
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var a;
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if(st){
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a = Clipperz.YUI.DomQuery.getStyle(cs[i], attr);
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}
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else if(attr == 'class' || attr == 'className'){
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a = cs[i].className;
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}else if(attr == 'for'){
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a = cs[i].htmlFor;
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}else{
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a = cs[i].getAttribute(attr);
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}
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if((f && f(a, value)) || (!f && a)){
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r[r.length] = cs[i];
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}
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}
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return r;
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};
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function byPseudo(cs, name, value){
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return Clipperz.YUI.DomQuery.pseudos[name](cs, value);
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};
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// This is for IE MSXML which does not support expandos.
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// IE runs the same speed using setAttribute, however FF slows way down
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// and Safari completely fails so they need to continue to use expandos.
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// Branched at load time for faster execution.
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var isIE = window.ActiveXObject;
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var addAttr = isIE ?
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function(n, a, v){
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n.setAttribute(a, v);
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} :
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function(n, a, v){
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n[a] = v;
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};
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var getAttr = isIE ?
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function(n, a){
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return n.getAttribute(a);
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} :
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function(n, a){
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return n[a];
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};
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var clearAttr = isIE ?
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function(n, a){
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n.removeAttribute(a);
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} :
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function(n, a, v){
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delete n[a];
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};
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function nodup(cs){
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if(!cs.length){
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return cs;
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}
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addAttr(cs[0], '_nodup', true);
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var r = [cs[0]];
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for(var i = 1, len = cs.length; i < len; i++){
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var c = cs[i];
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if(!getAttr(c, '_nodup')){
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addAttr(c, '_nodup', true);
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r[r.length] = c;
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}
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}
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for(var i = 0, len = cs.length; i < len; i++){
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clearAttr(cs[i], '_nodup');
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}
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return r;
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}
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function quickDiff(c1, c2){
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if(!c1.length){
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return c2;
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}
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for(var i = 0, len = c1.length; i < len; i++){
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addAttr(c1[i], '_qdiff', true);
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}
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var r = [];
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for(var i = 0, len = c2.length; i < len; i++){
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if(!getAttr(c2[i], '_qdiff')){
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r[r.length] = c2[i];
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}
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}
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for(var i = 0, len = c1.length; i < len; i++){
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clearAttr(c1[i], '_qdiff');
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}
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return r;
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}
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function quickId(ns, mode, root, id){
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if(ns == root){
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var d = root.ownerDocument || root;
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return d.getElementById(id);
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}
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ns = getNodes(ns, mode, '*');
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return byId(ns, null, id);
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}
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return {
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getStyle : function(el, name){
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return YAHOO.util.Dom.getStyle(el, name);
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},
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/**
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* Compiles a selector/xpath query into a reusable function. The returned function
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* takes one parameter "root" (optional), which is the context node from where the query should start.
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* @param {String} selector The selector/xpath query
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* @param {String} type (optional) Either 'select' (the default) or 'simple' for a simple selector match
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* @return {Function}
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*/
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compile : function(path, type){
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// strip leading slashes
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while(path.substr(0, 1)=='/'){
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path = path.substr(1);
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}
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type = type || 'select';
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var fn = ['var f = function(root){\n var mode; var n = root || document;\n'];
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var q = path, mode, lq;
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var tk = Clipperz.YUI.DomQuery.matchers;
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var tklen = tk.length;
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var mm;
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while(q && lq != q){
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lq = q;
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var tm = q.match(/^(#)?([\w-\*]+)/);
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if(type == 'select'){
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if(tm){
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if(tm[1] == '#'){
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fn[fn.length] = 'n = quickId(n, mode, root, "'+tm[2]+'");';
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}else{
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fn[fn.length] = 'n = getNodes(n, mode, "'+tm[2]+'");';
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}
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q = q.replace(tm[0], '');
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}else{
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fn[fn.length] = 'n = getNodes(n, mode, "*");';
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}
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}else{
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if(tm){
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if(tm[1] == '#'){
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fn[fn.length] = 'n = byId(n, null, "'+tm[2]+'");';
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}else{
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fn[fn.length] = 'n = byTag(n, "'+tm[2]+'");';
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}
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q = q.replace(tm[0], '');
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}
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}
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while(!(mm = q.match(modeRe))){
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var matched = false;
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for(var j = 0; j < tklen; j++){
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var t = tk[j];
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var m = q.match(t.re);
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if(m){
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fn[fn.length] = t.select.replace(tplRe, function(x, i){
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return m[i];
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});
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q = q.replace(m[0], '');
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matched = true;
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break;
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}
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}
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// prevent infinite loop on bad selector
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if(!matched){
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throw 'Error parsing selector, parsing failed at "' + q + '"';
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}
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}
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if(mm[1]){
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fn[fn.length] = 'mode="'+mm[1]+'";';
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q = q.replace(mm[1], '');
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}
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}
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fn[fn.length] = 'return nodup(n);\n}';
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eval(fn.join(''));
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return f;
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},
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/**
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* Selects a group of elements.
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* @param {String} selector The selector/xpath query
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* @param {Node} root (optional) The start of the query (defaults to document).
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* @return {Array}
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*/
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select : function(path, root, type){
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if(!root || root == document){
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root = document;
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}
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if(typeof root == 'string'){
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root = document.getElementById(root);
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}
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var paths = path.split(',');
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var results = [];
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for(var i = 0, len = paths.length; i < len; i++){
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var p = paths[i].replace(trimRe, '$1');
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if(!cache[p]){
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cache[p] = Clipperz.YUI.DomQuery.compile(p);
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if(!cache[p]){
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throw p + ' is not a valid selector';
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}
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}
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var result = cache[p](root);
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if(result && result != document){
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results = results.concat(result);
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}
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}
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return results;
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},
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/**
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* Selects a single element.
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* @param {String} selector The selector/xpath query
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* @param {Node} root (optional) The start of the query (defaults to document).
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* @return {Element}
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*/
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selectNode : function(path, root){
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return Clipperz.YUI.DomQuery.select(path, root)[0];
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},
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/**
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* Selects the value of a node, optionally replacing null with the defaultValue.
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* @param {String} selector The selector/xpath query
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* @param {Node} root (optional) The start of the query (defaults to document).
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* @param {String} defaultValue
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*/
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selectValue : function(path, root, defaultValue){
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path = path.replace(trimRe, '$1');
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if(!valueCache[path]){
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valueCache[path] = Clipperz.YUI.DomQuery.compile(path, 'simple');
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}
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var n = valueCache[path](root);
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n = n[0] ? n[0] : n;
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var v = (n && n.firstChild ? n.firstChild.nodeValue : null);
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return (v === null ? defaultValue : v);
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},
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/**
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* Selects the value of a node, parsing integers and floats.
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* @param {String} selector The selector/xpath query
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* @param {Node} root (optional) The start of the query (defaults to document).
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* @param {Number} defaultValue
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* @return {Number}
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*/
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selectNumber : function(path, root, defaultValue){
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var v = Clipperz.YUI.DomQuery.selectValue(path, root, defaultValue || 0);
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return parseFloat(v);
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},
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/**
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* Returns true if the passed element(s) match the passed simple selector (e.g. div.some-class or span:first-child)
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* @param {String/HTMLElement/Array} el An element id, element or array of elements
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* @param {String} selector The simple selector to test
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* @return {Boolean}
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*/
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is : function(el, ss){
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if(typeof el == 'string'){
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el = document.getElementById(el);
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}
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var isArray = (el instanceof Array);
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var result = Clipperz.YUI.DomQuery.filter(isArray ? el : [el], ss);
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return isArray ? (result.length == el.length) : (result.length > 0);
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},
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/**
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* Filters an array of elements to only include matches of a simple selector (e.g. div.some-class or span:first-child)
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* @param {Array} el An array of elements to filter
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* @param {String} selector The simple selector to test
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* @param {Boolean} nonMatches If true, it returns the elements that DON'T match
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* the selector instead of the ones that match
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* @return {Array}
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*/
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filter : function(els, ss, nonMatches){
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ss = ss.replace(trimRe, '$1');
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if(!simpleCache[ss]){
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simpleCache[ss] = Clipperz.YUI.DomQuery.compile(ss, 'simple');
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}
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var result = simpleCache[ss](els);
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return nonMatches ? quickDiff(result, els) : result;
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},
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/**
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* Collection of matching regular expressions and code snippets.
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*/
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matchers : [{
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re: /^\.([\w-]+)/,
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select: 'n = byClassName(n, null, "{1}");'
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}, {
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re: /^\:([\w-]+)(?:\(((?:[^\s>\/]*|.*?))\))?/,
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select: 'n = byPseudo(n, "{1}", "{2}");'
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},{
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re: /^(?:([\[\{])(?:@)?([\w-]+)\s?(?:(=|.=)\s?['"]?(.*?)["']?)?[\]\}])/,
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select: 'n = byAttribute(n, "{2}", "{4}", "{3}", "{1}");'
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}, {
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re: /^#([\w-]+)/,
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select: 'n = byId(n, null, "{1}");'
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},{
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re: /^@([\w-]+)/,
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select: 'return {firstChild:{nodeValue:attrValue(n, "{1}")}};'
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}
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],
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/**
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* Collection of operator comparison functions. The default operators are =, !=, ^=, $=, *= and %=.
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* New operators can be added as long as the match the format <i>c</i>= where <i>c<i> is any character other than space, > <.
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*/
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operators : {
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'=' : function(a, v){
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return a == v;
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},
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'!=' : function(a, v){
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return a != v;
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},
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'^=' : function(a, v){
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return a && a.substr(0, v.length) == v;
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},
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'$=' : function(a, v){
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return a && a.substr(a.length-v.length) == v;
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},
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'*=' : function(a, v){
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return a && a.indexOf(v) !== -1;
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},
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|
'%=' : function(a, v){
|
|
return (a % v) == 0;
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Collection of "pseudo class" processors. Each processor is passed the current nodeset (array)
|
|
* and the argument (if any) supplied in the selector.
|
|
*/
|
|
pseudos : {
|
|
'first-child' : function(c){
|
|
var r = [];
|
|
for(var i = 0, l = c.length; i < l; i++){
|
|
var ci = c[i];
|
|
if(!prev(ci)){
|
|
r[r.length] = ci;
|
|
}
|
|
}
|
|
return r;
|
|
},
|
|
|
|
'last-child' : function(c){
|
|
var r = [];
|
|
for(var i = 0, l = c.length; i < l; i++){
|
|
var ci = c[i];
|
|
if(!next(ci)){
|
|
r[r.length] = ci;
|
|
}
|
|
}
|
|
return r;
|
|
},
|
|
|
|
'nth-child' : function(c, a){
|
|
var r = [];
|
|
if(a != 'odd' && a != 'even'){
|
|
for(var i = 0, ci; ci = c[i]; i++){
|
|
var m = child(ci.parentNode, a);
|
|
if(m == ci){
|
|
r[r.length] = m;
|
|
}
|
|
}
|
|
return r;
|
|
}
|
|
var p;
|
|
// first let's clean up the parent nodes
|
|
for(var i = 0, l = c.length; i < l; i++){
|
|
var cp = c[i].parentNode;
|
|
if(cp != p){
|
|
clean(cp);
|
|
p = cp;
|
|
}
|
|
}
|
|
// then lets see if we match
|
|
for(var i = 0, l = c.length; i < l; i++){
|
|
var ci = c[i], m = false;
|
|
if(a == 'odd'){
|
|
m = ((ci.nodeIndex+1) % 2 == 1);
|
|
}else if(a == 'even'){
|
|
m = ((ci.nodeIndex+1) % 2 == 0);
|
|
}
|
|
if(m){
|
|
r[r.length] = ci;
|
|
}
|
|
}
|
|
return r;
|
|
},
|
|
|
|
'only-child' : function(c){
|
|
var r = [];
|
|
for(var i = 0, l = c.length; i < l; i++){
|
|
var ci = c[i];
|
|
if(!prev(ci) && !next(ci)){
|
|
r[r.length] = ci;
|
|
}
|
|
}
|
|
return r;
|
|
},
|
|
|
|
'empty' : function(c){
|
|
var r = [];
|
|
for(var i = 0, l = c.length; i < l; i++){
|
|
var ci = c[i];
|
|
if(!ci.firstChild){
|
|
r[r.length] = ci;
|
|
}
|
|
}
|
|
return r;
|
|
},
|
|
|
|
'contains' : function(c, v){
|
|
var r = [];
|
|
for(var i = 0, l = c.length; i < l; i++){
|
|
var ci = c[i];
|
|
if(ci.innerHTML.indexOf(v) !== -1){
|
|
r[r.length] = ci;
|
|
}
|
|
}
|
|
return r;
|
|
},
|
|
|
|
'checked' : function(c){
|
|
var r = [];
|
|
for(var i = 0, l = c.length; i < l; i++){
|
|
if(c[i].checked == 'checked'){
|
|
r[r.length] = c[i];
|
|
}
|
|
}
|
|
return r;
|
|
},
|
|
|
|
'not' : function(c, ss){
|
|
return Clipperz.YUI.DomQuery.filter(c, ss, true);
|
|
},
|
|
|
|
'odd' : function(c){
|
|
return this['nth-child'](c, 'odd');
|
|
},
|
|
|
|
'even' : function(c){
|
|
return this['nth-child'](c, 'even');
|
|
},
|
|
|
|
'nth' : function(c, a){
|
|
return c[a-1];
|
|
},
|
|
|
|
'first' : function(c){
|
|
return c[0];
|
|
},
|
|
|
|
'last' : function(c){
|
|
return c[c.length-1];
|
|
},
|
|
|
|
'has' : function(c, ss){
|
|
var s = Clipperz.YUI.DomQuery.select;
|
|
var r = [];
|
|
for(var i = 0, ci; ci = c[i]; i++){
|
|
if(s(ss, ci).length > 0){
|
|
r[r.length] = ci;
|
|
}
|
|
}
|
|
return r;
|
|
},
|
|
|
|
'next' : function(c, ss){
|
|
var is = Clipperz.YUI.DomQuery.is;
|
|
var r = [];
|
|
for(var i = 0, ci; ci = c[i]; i++){
|
|
var n = next(ci);
|
|
if(n && is(n, ss)){
|
|
r[r.length] = ci;
|
|
}
|
|
}
|
|
return r;
|
|
},
|
|
|
|
'prev' : function(c, ss){
|
|
var is = Clipperz.YUI.DomQuery.is;
|
|
var r = [];
|
|
for(var i = 0, ci; ci = c[i]; i++){
|
|
var n = prev(ci);
|
|
if(n && is(n, ss)){
|
|
r[r.length] = ci;
|
|
}
|
|
}
|
|
return r;
|
|
}
|
|
}
|
|
};
|
|
}();
|
|
|
|
/**
|
|
* Selects an array of DOM nodes by CSS/XPath selector. Shorthand of {@link Clipperz.YUI.DomQuery#select}
|
|
* @param {String} path The selector/xpath query
|
|
* @param {Node} root (optional) The start of the query (defaults to document).
|
|
* @return {Array}
|
|
* @member Ext
|
|
* @method query
|
|
*/
|
|
Clipperz.YUI.query = Clipperz.YUI.DomQuery.select;
|