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"use strict";
module.exports = CSSselect;
var DomUtils = require("domutils"),
falseFunc = require("boolbase").falseFunc,
compileFactory = require("./lib/compile.js"),
defaultCompile = compileFactory(DomUtils);
function adapterCompile(adapter){
return adapter === DomUtils ? defaultCompile : compileFactory(adapter);
}
function getSelectorFunc(searchFunc){
return function select(query, elems, options){
options = options || {}
options.adapter = options.adapter || DomUtils;
var compile = adapterCompile(options.adapter);
if(typeof query !== "function") query = compile.compileUnsafe(query, options, elems);
if(query.shouldTestNextSiblings) elems = appendNextSiblings((options && options.context) || elems, options.adapter);
if(!Array.isArray(elems)) elems = options.adapter.getChildren(elems);
else elems = options.adapter.removeSubsets(elems);
return searchFunc(query, elems, options);
};
}
function getNextSiblings(elem, adapter){
var siblings = adapter.getSiblings(elem);
if(!Array.isArray(siblings)) return [];
siblings = siblings.slice(0);
while(siblings.shift() !== elem);
return siblings;
}
function appendNextSiblings(elems, adapter){
// Order matters because jQuery seems to check the children before the siblings
if(!Array.isArray(elems)) elems = [elems];
var newElems = elems.slice(0);
for(var i = 0, len = elems.length; i < len; i++){
var nextSiblings = getNextSiblings(newElems[i], adapter);
newElems.push.apply(newElems, nextSiblings);
}
return newElems;
}
var selectAll = getSelectorFunc(function selectAll(query, elems, options){
return (query === falseFunc || !elems || elems.length === 0) ? [] : options.adapter.findAll(query, elems);
});
var selectOne = getSelectorFunc(function selectOne(query, elems, options){
return (query === falseFunc || !elems || elems.length === 0) ? null : options.adapter.findOne(query, elems);
});
function is(elem, query, options){
options = options || {}
options.adapter = options.adapter || DomUtils;
var compile = adapterCompile(options.adapter);
return (typeof query === "function" ? query : compile(query, options))(elem);
}
/*
the exported interface
*/
function CSSselect(query, elems, options){
return selectAll(query, elems, options);
}
CSSselect.compile = defaultCompile;
CSSselect.filters = defaultCompile.Pseudos.filters;
CSSselect.pseudos = defaultCompile.Pseudos.pseudos;
CSSselect.selectAll = selectAll;
CSSselect.selectOne = selectOne;
CSSselect.is = is;
//legacy methods (might be removed)
CSSselect.parse = defaultCompile;
CSSselect.iterate = selectAll;
//hooks
CSSselect._compileUnsafe = defaultCompile.compileUnsafe;
CSSselect._compileToken = defaultCompile.compileToken;
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