| /**
 * Protect.js
 *
 * Released under LGPL License.
 * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
 *
 * License: http://www.tinymce.com/license
 * Contributing: http://www.tinymce.com/contributing
 */
define(
  'tinymce.plugins.fullpage.core.Parser',
  [
    'tinymce.core.html.DomParser',
    'tinymce.core.html.Node',
    'tinymce.core.html.Serializer',
    'tinymce.core.util.Tools',
    'tinymce.plugins.fullpage.api.Settings'
  ],
  function (DomParser, Node, Serializer, Tools, Settings) {
    var parseHeader = function (head) {
      // Parse the contents with a DOM parser
      return new DomParser({
        validate: false,
        root_name: '#document'
      }).parse(head);
    };
    var htmlToData = function (editor, head) {
      var headerFragment = parseHeader(head), data = {}, elm, matches;
      function getAttr(elm, name) {
        var value = elm.attr(name);
        return value || '';
      }
      // Default some values
      // TODO: Not sure these are used anymore
      data.fontface = Settings.getDefaultFontFamily(editor);
      data.fontsize = Settings.getDefaultFontSize(editor);
      // Parse XML PI
      elm = headerFragment.firstChild;
      if (elm.type === 7) {
        data.xml_pi = true;
        matches = /encoding="([^"]+)"/.exec(elm.value);
        if (matches) {
          data.docencoding = matches[1];
        }
      }
      // Parse doctype
      elm = headerFragment.getAll('#doctype')[0];
      if (elm) {
        data.doctype = '<!DOCTYPE' + elm.value + ">";
      }
      // Parse title element
      elm = headerFragment.getAll('title')[0];
      if (elm && elm.firstChild) {
        data.title = elm.firstChild.value;
      }
      // Parse meta elements
      Tools.each(headerFragment.getAll('meta'), function (meta) {
        var name = meta.attr('name'), httpEquiv = meta.attr('http-equiv'), matches;
        if (name) {
          data[name.toLowerCase()] = meta.attr('content');
        } else if (httpEquiv === "Content-Type") {
          matches = /charset\s*=\s*(.*)\s*/gi.exec(meta.attr('content'));
          if (matches) {
            data.docencoding = matches[1];
          }
        }
      });
      // Parse html attribs
      elm = headerFragment.getAll('html')[0];
      if (elm) {
        data.langcode = getAttr(elm, 'lang') || getAttr(elm, 'xml:lang');
      }
      // Parse stylesheets
      data.stylesheets = [];
      Tools.each(headerFragment.getAll('link'), function (link) {
        if (link.attr('rel') === 'stylesheet') {
          data.stylesheets.push(link.attr('href'));
        }
      });
      // Parse body parts
      elm = headerFragment.getAll('body')[0];
      if (elm) {
        data.langdir = getAttr(elm, 'dir');
        data.style = getAttr(elm, 'style');
        data.visited_color = getAttr(elm, 'vlink');
        data.link_color = getAttr(elm, 'link');
        data.active_color = getAttr(elm, 'alink');
      }
      return data;
    };
    var dataToHtml = function (editor, data, head) {
      var headerFragment, headElement, html, elm, value, dom = editor.dom;
      function setAttr(elm, name, value) {
        elm.attr(name, value ? value : undefined);
      }
      function addHeadNode(node) {
        if (headElement.firstChild) {
          headElement.insert(node, headElement.firstChild);
        } else {
          headElement.append(node);
        }
      }
      headerFragment = parseHeader(head);
      headElement = headerFragment.getAll('head')[0];
      if (!headElement) {
        elm = headerFragment.getAll('html')[0];
        headElement = new Node('head', 1);
        if (elm.firstChild) {
          elm.insert(headElement, elm.firstChild, true);
        } else {
          elm.append(headElement);
        }
      }
      // Add/update/remove XML-PI
      elm = headerFragment.firstChild;
      if (data.xml_pi) {
        value = 'version="1.0"';
        if (data.docencoding) {
          value += ' encoding="' + data.docencoding + '"';
        }
        if (elm.type !== 7) {
          elm = new Node('xml', 7);
          headerFragment.insert(elm, headerFragment.firstChild, true);
        }
        elm.value = value;
      } else if (elm && elm.type === 7) {
        elm.remove();
      }
      // Add/update/remove doctype
      elm = headerFragment.getAll('#doctype')[0];
      if (data.doctype) {
        if (!elm) {
          elm = new Node('#doctype', 10);
          if (data.xml_pi) {
            headerFragment.insert(elm, headerFragment.firstChild);
          } else {
            addHeadNode(elm);
          }
        }
        elm.value = data.doctype.substring(9, data.doctype.length - 1);
      } else if (elm) {
        elm.remove();
      }
      // Add meta encoding
      elm = null;
      Tools.each(headerFragment.getAll('meta'), function (meta) {
        if (meta.attr('http-equiv') === 'Content-Type') {
          elm = meta;
        }
      });
      if (data.docencoding) {
        if (!elm) {
          elm = new Node('meta', 1);
          elm.attr('http-equiv', 'Content-Type');
          elm.shortEnded = true;
          addHeadNode(elm);
        }
        elm.attr('content', 'text/html; charset=' + data.docencoding);
      } else if (elm) {
        elm.remove();
      }
      // Add/update/remove title
      elm = headerFragment.getAll('title')[0];
      if (data.title) {
        if (!elm) {
          elm = new Node('title', 1);
          addHeadNode(elm);
        } else {
          elm.empty();
        }
        elm.append(new Node('#text', 3)).value = data.title;
      } else if (elm) {
        elm.remove();
      }
      // Add/update/remove meta
      Tools.each('keywords,description,author,copyright,robots'.split(','), function (name) {
        var nodes = headerFragment.getAll('meta'), i, meta, value = data[name];
        for (i = 0; i < nodes.length; i++) {
          meta = nodes[i];
          if (meta.attr('name') === name) {
            if (value) {
              meta.attr('content', value);
            } else {
              meta.remove();
            }
            return;
          }
        }
        if (value) {
          elm = new Node('meta', 1);
          elm.attr('name', name);
          elm.attr('content', value);
          elm.shortEnded = true;
          addHeadNode(elm);
        }
      });
      var currentStyleSheetsMap = {};
      Tools.each(headerFragment.getAll('link'), function (stylesheet) {
        if (stylesheet.attr('rel') === 'stylesheet') {
          currentStyleSheetsMap[stylesheet.attr('href')] = stylesheet;
        }
      });
      // Add new
      Tools.each(data.stylesheets, function (stylesheet) {
        if (!currentStyleSheetsMap[stylesheet]) {
          elm = new Node('link', 1);
          elm.attr({
            rel: 'stylesheet',
            text: 'text/css',
            href: stylesheet
          });
          elm.shortEnded = true;
          addHeadNode(elm);
        }
        delete currentStyleSheetsMap[stylesheet];
      });
      // Delete old
      Tools.each(currentStyleSheetsMap, function (stylesheet) {
        stylesheet.remove();
      });
      // Update body attributes
      elm = headerFragment.getAll('body')[0];
      if (elm) {
        setAttr(elm, 'dir', data.langdir);
        setAttr(elm, 'style', data.style);
        setAttr(elm, 'vlink', data.visited_color);
        setAttr(elm, 'link', data.link_color);
        setAttr(elm, 'alink', data.active_color);
        // Update iframe body as well
        dom.setAttribs(editor.getBody(), {
          style: data.style,
          dir: data.dir,
          vLink: data.visited_color,
          link: data.link_color,
          aLink: data.active_color
        });
      }
      // Set html attributes
      elm = headerFragment.getAll('html')[0];
      if (elm) {
        setAttr(elm, 'lang', data.langcode);
        setAttr(elm, 'xml:lang', data.langcode);
      }
      // No need for a head element
      if (!headElement.firstChild) {
        headElement.remove();
      }
      // Serialize header fragment and crop away body part
      html = new Serializer({
        validate: false,
        indent: true,
        apply_source_formatting: true,
        indent_before: 'head,html,body,meta,title,script,link,style',
        indent_after: 'head,html,body,meta,title,script,link,style'
      }).serialize(headerFragment);
      return html.substring(0, html.indexOf('</body>'));
    };
    return {
      parseHeader: parseHeader,
      htmlToData: htmlToData,
      dataToHtml: dataToHtml
    };
  }
);
 |