/var/www/greso.tech/server/nsm/node_modules/CSSselect/lib
Edit: /var/www/greso.tech/server/nsm/node_modules/CSSselect/lib/pseudos.js (8230B)
/*
pseudo selectors
---
they are available in two forms:
* filters called when the selector
is compiled and return a function
that needs to return next()
* pseudos get called on execution
they need to return a boolean
*/
var DomUtils = require("domutils"),
isTag = DomUtils.isTag,
getText = DomUtils.getText,
getParent = DomUtils.getParent,
getChildren = DomUtils.getChildren,
getSiblings = DomUtils.getSiblings,
hasAttrib = DomUtils.hasAttrib,
getName = DomUtils.getName,
getAttribute= DomUtils.getAttributeValue,
getNCheck = require("./nth-check.js"),
checkAttrib = require("./attributes.js").rules.equals,
BaseFuncs = require("./basefunctions.js"),
trueFunc = BaseFuncs.trueFunc,
falseFunc = BaseFuncs.falseFunc;
//helper methods
function getFirstElement(elems){
for(var i = 0; elems && i < elems.length; i++){
if(isTag(elems[i])) return elems[i];
}
}
function getAttribFunc(name, value){
var data = {name: name, value: value};
return function attribFunc(next){
return checkAttrib(next, data);
};
}
function getChildFunc(next){
return function(elem){
return !!getParent(elem) && next(elem);
};
}
var filters = {
contains: function(next, text){
if(
(text.charAt(0) === "\"" || text.charAt(0) === "'") &&
text.charAt(0) === text.substr(-1)
){
text = text.slice(1, -1);
}
return function contains(elem){
return getText(elem).indexOf(text) >= 0 && next(elem);
};
},
//location specific methods
//first- and last-child methods return as soon as they find another element
"first-child": function(next){
return function firstChild(elem){
return getFirstElement(getSiblings(elem)) === elem && next(elem);
};
},
"last-child": function(next){
return function lastChild(elem){
var siblings = getSiblings(elem);
for(var i = siblings.length - 1; i >= 0; i--){
if(siblings[i] === elem) return next(elem);
if(isTag(siblings[i])) break;
}
return false;
};
},
"first-of-type": function(next){
return function firstOfType(elem){
var siblings = getSiblings(elem);
for(var i = 0; i < siblings.length; i++){
if(isTag(siblings[i])){
if(siblings[i] === elem) return next(elem);
if(getName(siblings[i]) === getName(elem)) break;
}
}
return false;
};
},
"last-of-type": function(next){
return function lastOfType(elem){
var siblings = getSiblings(elem);
for(var i = siblings.length-1; i >= 0; i--){
if(isTag(siblings[i])){
if(siblings[i] === elem) return next(elem);
if(getName(siblings[i]) === getName(elem)) break;
}
}
return false;
};
},
"only-of-type": function(next){
return function onlyOfType(elem){
var siblings = getSiblings(elem);
for(var i = 0, j = siblings.length; i < j; i++){
if(isTag(siblings[i])){
if(siblings[i] === elem) continue;
if(getName(siblings[i]) === getName(elem)) return false;
}
}
return next(elem);
};
},
"only-child": function(next){
return function onlyChild(elem){
var siblings = getSiblings(elem);
for(var i = 0; i < siblings.length; i++){
if(isTag(siblings[i]) && siblings[i] !== elem) return false;
}
return next(elem);
};
},
"nth-child": function(next, rule){
var func = getNCheck(rule);
if(func === falseFunc) return func;
if(func === trueFunc) return getChildFunc(next);
return function nthChild(elem){
var siblings = getSiblings(elem);
for(var i = 0, pos = 0; i < siblings.length; i++){
if(isTag(siblings[i])){
if(siblings[i] === elem) break;
else pos++;
}
}
return func(pos) && next(elem);
};
},
"nth-last-child": function(next, rule){
var func = getNCheck(rule);
if(func === falseFunc) return func;
if(func === trueFunc) return getChildFunc(next);
return function nthLastChild(elem){
var siblings = getSiblings(elem);
for(var pos = 0, i = siblings.length - 1; i >= 0; i--){
if(isTag(siblings[i])){
if(siblings[i] === elem) break;
else pos++;
}
}
return func(pos) && next(elem);
};
},
"nth-of-type": function(next, rule){
var func = getNCheck(rule);
if(func === falseFunc) return func;
if(func === trueFunc) return getChildFunc(next);
return function nthOfType(elem){
var siblings = getSiblings(elem);
for(var pos = 0, i = 0; i < siblings.length; i++){
if(isTag(siblings[i])){
if(siblings[i] === elem) break;
if(getName(siblings[i]) === getName(elem)) pos++;
}
}
return func(pos) && next(elem);
};
},
"nth-last-of-type": function(next, rule){
var func = getNCheck(rule);
if(func === falseFunc) return func;
if(func === trueFunc) return getChildFunc(next);
return function nthLastOfType(elem){
var siblings = getSiblings(elem);
for(var pos = 0, i = siblings.length - 1; i >= 0; i--){
if(siblings[i] === elem) break;
if(getName(siblings[i]) === getName(elem)) pos++;
}
return func(pos) && next(elem);
};
},
//jQuery extensions (others follow as pseudos)
checkbox: getAttribFunc("type", "checkbox"),
file: getAttribFunc("type", "file"),
password: getAttribFunc("type", "password"),
radio: getAttribFunc("type", "radio"),
reset: getAttribFunc("type", "reset"),
image: getAttribFunc("type", "image"),
submit: getAttribFunc("type", "submit")
};
//while filters are precompiled, pseudos get called when they are needed
var pseudos = {
root: function(elem){
return !getParent(elem);
},
empty: function(elem){
return !getChildren(elem).some(function(elem){
return isTag(elem) || elem.type === "text";
});
},
//forms
//to consider: :target, :enabled
selected: function(elem){
if(hasAttrib(elem, "selected")) return true;
else if(getName(elem) !== "option") return false;
//the first