Просмотр архива Error Kitty - Better Errors for Node.js


<?php

var ElementType = require("domelementtype");
var isTag = exports.isTag = ElementType.isTag;

exports.testElement = function(options, element){
    for(var key in options){
        if(!options.hasOwnProperty(key));
        else if(key === "tag_name"){
            if(!isTag(element) || !options.tag_name(element.name)){
                return false;
            }
        } else if(key === "tag_type"){
            if(!options.tag_type(element.type)) return false;
        } else if(key === "tag_contains"){
            if(isTag(element) || !options.tag_contains(element.data)){
                return false;
            }
        } else if(!element.attribs || !options[key](element.attribs[key])){
            return false;
        }
    }
    return true;
};

var Checks = {
    tag_name: function(name){
        if(typeof name === "function"){
            return function(elem){ return isTag(elem) && name(elem.name); };
        } else if(name === "*"){
            return isTag;
        } else {
            return function(elem){ return isTag(elem) && elem.name === name; };
        }
    },
    tag_type: function(type){
        if(typeof type === "function"){
            return function(elem){ return type(elem.type); };
        } else {
            return function(elem){ return elem.type === type; };
        }
    },
    tag_contains: function(data){
        if(typeof data === "function"){
            return function(elem){ return !isTag(elem) && data(elem.data); };
        } else {
            return function(elem){ return !isTag(elem) && elem.data === data; };
        }
    }
};

function getAttribCheck(attrib, value){
    if(typeof value === "function"){
        return function(elem){ return elem.attribs && value(elem.attribs[attrib]); };
    } else {
        return function(elem){ return elem.attribs && elem.attribs[attrib] === value; };
    }
}

function combineFuncs(a, b){
    return function(elem){
        return a(elem) || b(elem);
    };
}

exports.getElements = function(options, element, recurse, limit){
    var funcs = Object.keys(options).map(function(key){
        var value = options[key];
        return key in Checks ? Checks[key](value) : getAttribCheck(key, value);
    });

    return funcs.length === 0 ? [] : this.filter(
        funcs.reduce(combineFuncs),
        element, recurse, limit
    );
};

exports.getElementById = function(id, element, recurse){
    if(!Array.isArray(element)) element = [element];
    return this.findOne(getAttribCheck("id", id), element, recurse !== false);
};

exports.getElementsByTagName = function(name, element, recurse, limit){
    return this.filter(Checks.tag_name(name), element, recurse, limit);
};

exports.getElementsByTagType = function(type, element, recurse, limit){
    return this.filter(Checks.tag_type(type), element, recurse, limit);
};

?>