# Code coverage report for cheerio/lib/static.js

## Statements: 92.06% (58 / 63) Branches: 86.54% (45 / 52) Functions: 100% (8 / 8) Lines: 93.44% (57 / 61) Ignored: none

All files » cheerio/lib/ » static.js

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     /**
     * Module dependencies
     */

    var select = require('CSSselect'),
        parse = require('./parse'),
        render = require('dom-serializer'),
        _ = require('lodash');

    /**
     * $.load(str)
     */

    exports.load = function(content, options) {
      var Cheerio = require('./cheerio');

      options = _.defaults(options || {}, Cheerio.prototype.options);

      var root = parse(content, options);

      var initialize = function(selector, context, r, opts) {
        opts = _.defaults(opts || {}, options);
        return Cheerio.call(this, selector, context, r || root, opts);
      };

      // Ensure that selections created by the "loaded" `initialize` function are
      // true Cheerio instances.
      initialize.prototype = Cheerio.prototype;

      // Add in the static methods
      _.merge(initialize, exports);

      // Add in the root
      initialize._root = root;
      // store options
      initialize._options = options;

      return initialize;
    };

    /**
     * $.html([selector | dom])
     */

    exports.html = function(dom, options) {
      var Cheerio = require('./cheerio');

      // be flexible about parameters, sometimes we call html(),
      // with options as only parameter
      // check dom argument for dom element specific properties
      // assume there is no 'length' or 'type' properties in the options object
      if (Object.prototype.toString.call(dom) === '[object Object]' && !options && !('length' in dom) && !('type' in dom))
      {
        options = dom;
        dom = undefined;
      }

      // sometimes $.html() used without preloading html
      // so fallback non existing options to the default ones
      options = _.defaults(options || {}, this._options, Cheerio.prototype.options);

      if (dom) {
        dom = (typeof dom === 'string') ? select(dom, this._root, options) : dom;
        return render(dom, options);
      } else Eif (this._root && this._root.children) {
        return render(this._root.children, options);
      } else {
        return '';
      }
    };

    /**
     * $.xml([selector | dom])
     */

    exports.xml = function(dom) {
      Iif (dom) {
        dom = (typeof dom === 'string') ? select(dom, this._root, this.options) : dom;
        return render(dom, { xmlMode: true });
      } else Eif (this._root && this._root.children) {
        return render(this._root.children, { xmlMode: true });
      } else {
        return '';
      }
    };

    /**
     * $.text(dom)
     */

    exports.text = function(elems) {
      Iif (!elems) return '';

      var ret = '',
          len = elems.length,
          elem;

      for (var i = 0; i < len; i ++) {
        elem = elems[i];
        if (elem.type === 'text') ret += elem.data;
        else Eif (elem.children && elem.type !== 'comment') {
          ret += exports.text(elem.children);
        }
      }

      return ret;
    };

    /**
     * $.parseHTML(data [, context ] [, keepScripts ])
     * Parses a string into an array of DOM nodes. The `context` argument has no
     * meaning for Cheerio, but it is maintained for API compatibility with jQuery.
     */
    exports.parseHTML = function(data, context, keepScripts) {
      var parsed;

      if (!data || typeof data !== 'string') {
        return null;
      }

      if (typeof context === 'boolean') {
        keepScripts = context;
      }

      parsed = this.load(data);
      if (!keepScripts) {
        parsed('script').remove();
      }

      return parsed.root()[0].children;
    };

    /**
     * $.root()
     */
    exports.root = function() {
      return this(this._root);
    };

    /**
     * $.contains()
     */
    exports.contains = function(container, contained) {

      // According to the jQuery API, an element does not "contain" itself
      if (contained === container) {
        return false;
      }

      // Step up the descendants, stopping when the root element is reached
      // (signaled by `.parent` returning a reference to the same object)
      while (contained && contained !== contained.parent) {
        contained = contained.parent;
        if (contained === container) {
          return true;
        }
      }

      return false;
    };