The Tor Browser: parser/htmlparser/tests/mochitest/parser_datreader.js@6474c204b198 (annotated)

parser/htmlparser/tests/mochitest/parser_datreader.js@6474c204b198 (annotated)

parser/htmlparser/tests/mochitest/parser_datreader.js

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 /* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 /**
  * A test suite that runs WHATWG HTML parser tests.
  * The tests are from html5lib.
  *
  * http://html5lib.googlecode.com/
  */
 /**
  * A few utility functions.
  */
 function log(entry) {
 }
 function startsWith(s, s2) {
   return s.indexOf(s2)==0;
 }
 function trimString(s) {
   return(s.replace(/^\s+/,'').replace(/\s+$/,''));
 }
 /**
  * Parses an individual testcase into an array containing the input
  * string, a string representing the expected tree (DOM), and a list
  * of error messages.
  *
  * @param A string containing a single testcase
  */
 function parseTestcase(testcase) {
   var lines = testcase.split("\n");
   /* check that the first non-empty, non-comment line is #data */
   for each (var line in lines) {
     if (!line || startsWith(line, "##")) {
       continue;
     }
     if (line == "#data")
       break;
     log(lines);
     throw "Unknown test format."
   }
   var input = [];
   var output = [];
   var errors = [];
   var fragment = [];
   var currentList = input;
   for each (var line in lines) {
     if (startsWith(line, "##todo")) {
       todo(false, line.substring(6));
       continue;
     }
     if (!(startsWith(line, "#error") ||
           startsWith(line, "#document") ||
           startsWith(line, "#document-fragment") ||
           startsWith(line, "#data"))) {
       currentList.push(line);
     } else if (line == "#errors") {
       currentList = errors;
     } else if (line == "#document") {
       currentList = output;
     } else if (line == "#document-fragment") {
       currentList = fragment;
     }
   }
   while (!output[output.length - 1]) {
     output.pop(); // zap trailing blank lines
   }
   //logger.log(input.length, output.length, errors.length);
   return [input.join("\n"), output.join("\n"), errors, fragment[0]];
 }
 /**
  * A generator function that accepts a list of strings. Each list
  * member corresponds to the contents of a ".dat" file from the
  * html5lib test suite.
  *
  * @param The list of strings
  */
 function test_parser(testlist) {
   for each (var testgroup in testlist) {
     var tests = testgroup.split("#data\n");
     tests = ["#data\n" + test for each(test in tests) if (test)];
     for each (var test in tests) {
       yield parseTestcase(test);
     }
   }
 }
 /**
  * Transforms a DOM document to a string matching the format in
  * the test cases.
  *
  * @param the DOM document
  */
 function docToTestOutput(doc) {
   var walker = doc.createTreeWalker(doc, NodeFilter.SHOW_ALL, null);
   return addLevels(walker, "", "| ").slice(0,-1); // remove the last newline
 }
 /**
  * Creates a walker for a fragment that skips over the root node.
  *
  * @param an element
  */
 function createFragmentWalker(elt) {
   return elt.ownerDocument.createTreeWalker(elt, NodeFilter.SHOW_ALL,
     function (node) {
       return elt == node ? NodeFilter.FILTER_SKIP : NodeFilter.FILTER_ACCEPT;
     });
 }
 /**
  * Transforms the descendants of an element to a string matching the format
  * in the test cases.
  *
  * @param an element
  */
 function fragmentToTestOutput(elt) {
   var walker = createFragmentWalker(elt);
   return addLevels(walker, "", "| ").slice(0,-1); // remove the last newline
 }
 function addLevels(walker, buf, indent) {
   if(walker.firstChild()) {
     do {
       buf += indent;
       switch (walker.currentNode.nodeType) {
         case Node.ELEMENT_NODE:
           buf += "<"
           var ns = walker.currentNode.namespaceURI;
           if ("http://www.w3.org/1998/Math/MathML" == ns) {
             buf += "math ";
           } else if ("http://www.w3.org/2000/svg" == ns) {
             buf += "svg ";
           } else if ("http://www.w3.org/1999/xhtml" != ns) {
             buf += "otherns ";
           }
           buf += walker.currentNode.localName + ">";
           if (walker.currentNode.hasAttributes()) {
             var valuesByName = {};
             var attrs = walker.currentNode.attributes;
             for (var i = 0; i < attrs.length; ++i) {
               var localName = attrs[i].localName;
               var name;
               var attrNs = attrs[i].namespaceURI;
               if (null == attrNs) {
                 name = localName;
               } else if ("http://www.w3.org/XML/1998/namespace" == attrNs) {
                 name = "xml " + localName;
               } else if ("http://www.w3.org/1999/xlink" == attrNs) {
                 name = "xlink " + localName;
               } else if ("http://www.w3.org/2000/xmlns/" == attrNs) {
                 name = "xmlns " + localName;
               } else {
                 name = "otherns " + localName;
               }
               valuesByName[name] = attrs[i].value;
             }
             var keys = Object.keys(valuesByName).sort();
             for (var i = 0; i < keys.length; ++i) {
               buf += "\n" + indent + "  " + keys[i] +
                      "=\"" + valuesByName[keys[i]] +"\"";
             }
           }
           break;
         case Node.DOCUMENT_TYPE_NODE:
           buf += "<!DOCTYPE " + walker.currentNode.name;
           if (walker.currentNode.publicId || walker.currentNode.systemId) {
             buf += " \"";
             buf += walker.currentNode.publicId;
             buf += "\" \"";
             buf += walker.currentNode.systemId;
             buf += "\"";
           }
           buf += ">";
           break;
         case Node.COMMENT_NODE:
           buf += "<!-- " + walker.currentNode.nodeValue + " -->";
           break;
         case Node.TEXT_NODE:
           buf += "\"" + walker.currentNode.nodeValue + "\"";
           break;
       }
       buf += "\n";
       // In the case of template elements, children do not get inserted as
       // children of the template element, instead they are inserted
       // as children of the template content (which is a document fragment).
       if (walker.currentNode instanceof HTMLTemplateElement) {
         buf += indent + "  content\n";
         // Walk through the template content.
         var templateWalker = createFragmentWalker(walker.currentNode.content);
         buf = addLevels(templateWalker, buf, indent + "    ");
       }
       buf = addLevels(walker, buf, indent + "  ");
     } while(walker.nextSibling());
     walker.parentNode();
   }
   return buf;
 }