100 lines
2.1 KiB
JavaScript
100 lines
2.1 KiB
JavaScript
var attributeFactory = require("./attributes.js");
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function generalFactory(adapter, Pseudos){
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/*
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all available rules
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*/
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return {
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__proto__: null,
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attribute: attributeFactory(adapter).compile,
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pseudo: Pseudos.compile,
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//tags
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tag: function(next, data){
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var name = data.name;
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return function tag(elem){
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return adapter.getName(elem) === name && next(elem);
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};
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},
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//traversal
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descendant: function(next){
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return function descendant(elem){
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var found = false;
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while(!found && (elem = adapter.getParent(elem))){
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found = next(elem);
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}
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return found;
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};
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},
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_flexibleDescendant: function(next){
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// Include element itself, only used while querying an array
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return function descendant(elem){
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var found = next(elem);
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while(!found && (elem = adapter.getParent(elem))){
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found = next(elem);
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}
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return found;
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};
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},
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parent: function(next, data, options){
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if(options && options.strict) throw new Error("Parent selector isn't part of CSS3");
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return function parent(elem){
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return adapter.getChildren(elem).some(test);
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};
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function test(elem){
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return adapter.isTag(elem) && next(elem);
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}
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},
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child: function(next){
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return function child(elem){
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var parent = adapter.getParent(elem);
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return !!parent && next(parent);
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};
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},
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sibling: function(next){
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return function sibling(elem){
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var siblings = adapter.getSiblings(elem);
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for(var i = 0; i < siblings.length; i++){
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if(adapter.isTag(siblings[i])){
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if(siblings[i] === elem) break;
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if(next(siblings[i])) return true;
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}
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}
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return false;
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};
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},
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adjacent: function(next){
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return function adjacent(elem){
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var siblings = adapter.getSiblings(elem),
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lastElement;
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for(var i = 0; i < siblings.length; i++){
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if(adapter.isTag(siblings[i])){
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if(siblings[i] === elem) break;
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lastElement = siblings[i];
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}
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}
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return !!lastElement && next(lastElement);
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};
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},
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universal: function(next){
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return next;
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}
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};
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}
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module.exports = generalFactory;
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