From 45e0f801d896258022c6a70a7738b991cb19aafe Mon Sep 17 00:00:00 2001
From: Asmir Mustafic <goetas@gmail.com>
Date: Thu, 26 Jun 2014 15:19:38 +0200
Subject: Added compatibility with Facebook HHVM 3.2

---
 .travis.yml                               |  1 +
 phpunit.xml.dist                          |  1 +
 src/HTML5.php                             | 10 +++-------
 src/HTML5/Parser/DOMTreeBuilder.php       | 23 +++++++++++++++++++----
 src/HTML5/Serializer/OutputRules.php      | 29 ++++++++++++++++++++---------
 test/HTML5/Parser/DOMTreeBuilderTest.php  | 16 ++++++++--------
 test/HTML5/Serializer/OutputRulesTest.php |  6 +++---
 7 files changed, 55 insertions(+), 31 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index af88acc..6adea14 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,6 +4,7 @@ php:
   - 5.3
   - 5.4
   - 5.5
+  - hhvm-nightly
 
 notifications:
   irc: "irc.freenode.net#masterminds"
diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index 8dff222..c344880 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -7,6 +7,7 @@
     </testsuites>
     <filter>
         <blacklist>
+            <file>systemlib.phpreflection_hni</file>
             <file>src/HTML5/Parser/InputStream.php</file>
             <file>src/HTML5/Serializer/RulesInterface.php</file>
             <file>src/HTML5/Entities.php</file>
diff --git a/src/HTML5.php b/src/HTML5.php
index 16187df..0b2d368 100644
--- a/src/HTML5.php
+++ b/src/HTML5.php
@@ -163,14 +163,9 @@ class HTML5
         $parser = new Tokenizer($scanner, $events);
 
         $parser->parse();
+        $this->errors = $events->getErrors();
 
-        $document = $events->document();
-
-        if ($document) {
-            $this->errors = $document->errors;
-        }
-
-        return $document;
+        return $events->document();
     }
 
     /**
@@ -186,6 +181,7 @@ class HTML5
         $parser = new Tokenizer($scanner, $events);
 
         $parser->parse();
+        $this->errors = $events->getErrors();
 
         return $events->fragment();
     }
diff --git a/src/HTML5/Parser/DOMTreeBuilder.php b/src/HTML5/Parser/DOMTreeBuilder.php
index 731d1d8..b9e587f 100644
--- a/src/HTML5/Parser/DOMTreeBuilder.php
+++ b/src/HTML5/Parser/DOMTreeBuilder.php
@@ -145,6 +145,8 @@ class DOMTreeBuilder implements EventHandler
      */
     protected $quirks = true;
 
+    protected $errors = array();
+
     public function __construct($isFragment = false, array $options = array())
     {
         $this->options = $options;
@@ -156,7 +158,7 @@ class DOMTreeBuilder implements EventHandler
         $dt = $impl->createDocumentType('html');
         // $this->doc = \DOMImplementation::createDocument(NULL, 'html', $dt);
         $this->doc = $impl->createDocument(null, null, $dt);
-        $this->doc->errors = array();
+        $this->errors = array();
 
         $this->current = $this->doc; // ->documentElement;
 
@@ -195,7 +197,6 @@ class DOMTreeBuilder implements EventHandler
      */
     public function fragment()
     {
-        $this->frag->errors = $this->doc->errors;
         return $this->frag;
     }
 
@@ -337,6 +338,9 @@ class DOMTreeBuilder implements EventHandler
             // to avoid spl_object_hash collisions whe have to avoid garbage collection of $ele storing it into $pushes
             // see https://bugs.php.net/bug.php?id=67459
             $this->pushes[spl_object_hash($ele)] = array($pushes, $ele);
+
+            // SEE https://github.com/facebook/hhvm/issues/2962
+            $ele->setAttribute('html5-php-fake-id-attribute', spl_object_hash($ele));
         }
 
         foreach ($attributes as $aName => $aVal) {
@@ -438,7 +442,13 @@ class DOMTreeBuilder implements EventHandler
             return;
         }
 
-        $cid = spl_object_hash($this->current);
+        // https://github.com/facebook/hhvm/issues/2962
+        if ($cid = $this->current->getAttribute('html5-php-fake-id-attribute')) {
+            $this->current->removeAttribute('html5-php-fake-id-attribute');
+        } else {
+            $cid = spl_object_hash($this->current);
+        }
+
         // remove the namespaced definded by current node
         if (isset($this->pushes[$cid])) {
             for ($i = 0; $i < $this->pushes[$cid][0]; $i ++) {
@@ -501,7 +511,12 @@ class DOMTreeBuilder implements EventHandler
 
     public function parseError($msg, $line = 0, $col = 0)
     {
-        $this->doc->errors[] = sprintf("Line %d, Col %d: %s", $line, $col, $msg);
+        $this->errors[] = sprintf("Line %d, Col %d: %s", $line, $col, $msg);
+    }
+
+    public function getErrors()
+    {
+        return $this->errors;
     }
 
     public function cdata($data)
diff --git a/src/HTML5/Serializer/OutputRules.php b/src/HTML5/Serializer/OutputRules.php
index 2969383..ff8341e 100644
--- a/src/HTML5/Serializer/OutputRules.php
+++ b/src/HTML5/Serializer/OutputRules.php
@@ -22,6 +22,8 @@ class OutputRules implements \Masterminds\HTML5\Serializer\RulesInterface
 
     const IM_IN_MATHML = 3;
 
+    private $hasHTML5 = false;
+
     protected $traverser;
 
     protected $encode = false;
@@ -40,6 +42,9 @@ class OutputRules implements \Masterminds\HTML5\Serializer\RulesInterface
 
         $this->outputMode = static::IM_IN_HTML;
         $this->out = $output;
+
+        // If HHVM, see https://github.com/facebook/hhvm/issues/2727
+        $this->hasHTML5 = defined('ENT_HTML5') && !defined('HHVM_VERSION');
     }
 
     public function setTraverser(\Masterminds\HTML5\Serializer\Traverser $traverser)
@@ -83,15 +88,20 @@ class OutputRules implements \Masterminds\HTML5\Serializer\RulesInterface
         }
 
         $this->openTag($ele);
+        if (Elements::isA($name, Elements::TEXT_RAW)) {
+            foreach ($ele->childNodes as $child) {
+                $this->wr($child->data);
+            }
+        } else {
+            // Handle children.
+            if ($ele->hasChildNodes()) {
+                $this->traverser->children($ele->childNodes);
+            }
 
-        // Handle children.
-        if ($ele->hasChildNodes()) {
-            $this->traverser->children($ele->childNodes);
-        }
-
-        // Close out the SVG or MathML special handling.
-        if ($name == 'svg' || $name == 'math') {
-            $this->outputMode = static::IM_IN_HTML;
+            // Close out the SVG or MathML special handling.
+            if ($name == 'svg' || $name == 'math') {
+                $this->outputMode = static::IM_IN_HTML;
+            }
         }
 
         // If not unary, add a closing tag.
@@ -285,7 +295,8 @@ class OutputRules implements \Masterminds\HTML5\Serializer\RulesInterface
 
         // If we are in PHP 5.4+ we can use the native html5 entity functionality to
         // convert the named character references.
-        if (defined('ENT_HTML5')) {
+
+        if ($this->hasHTML5) {
             return htmlentities($text, ENT_HTML5 | ENT_SUBSTITUTE | ENT_QUOTES, 'UTF-8', false);
         }         // If a version earlier than 5.4 html5 entities are not entirely handled.
         // This manually handles them.
diff --git a/test/HTML5/Parser/DOMTreeBuilderTest.php b/test/HTML5/Parser/DOMTreeBuilderTest.php
index 0046d88..2745395 100644
--- a/test/HTML5/Parser/DOMTreeBuilderTest.php
+++ b/test/HTML5/Parser/DOMTreeBuilderTest.php
@@ -15,7 +15,7 @@ use Masterminds\HTML5\Parser\DOMTreeBuilder;
  */
 class DOMTreeBuilderTest extends \Masterminds\HTML5\Tests\TestCase
 {
-
+    protected $errors = array();
     /**
      * Convenience function for parsing.
      */
@@ -27,6 +27,7 @@ class DOMTreeBuilderTest extends \Masterminds\HTML5\Tests\TestCase
         $parser = new Tokenizer($scanner, $treeBuilder);
 
         $parser->parse();
+        $this->errors = $treeBuilder->getErrors();
 
         return $treeBuilder->document();
     }
@@ -42,6 +43,7 @@ class DOMTreeBuilderTest extends \Masterminds\HTML5\Tests\TestCase
         $parser = new Tokenizer($scanner, $treeBuilder);
 
         $parser->parse();
+        $this->errors = $treeBuilder->getErrors();
 
         return $treeBuilder->fragment();
     }
@@ -153,12 +155,10 @@ class DOMTreeBuilderTest extends \Masterminds\HTML5\Tests\TestCase
                 <c id="bar2" xmlns="bar2"></c>
                 <div id="div"></div>
                 <d id="bar3"></d>
-
             </body>
           </html>', array(
                 'xmlNamespaces' => true
             ));
-
         $div = $dom->getElementById('div');
         $this->assertEquals('http://www.w3.org/1999/xhtml', $div->namespaceURI);
 
@@ -307,7 +307,7 @@ class DOMTreeBuilderTest extends \Masterminds\HTML5\Tests\TestCase
         $html = "<!DOCTYPE html><html>
     Foo<head></head><body></body></html>";
         $doc = $this->parse($html);
-        $this->assertEquals('Line 0, Col 0: Unexpected text. Ignoring: Foo', $doc->errors[0]);
+        $this->assertEquals('Line 0, Col 0: Unexpected text. Ignoring: Foo', $this->errors[0]);
         $headElement = $doc->documentElement->firstChild;
         $this->assertEquals('head', $headElement->tagName);
     }
@@ -319,8 +319,8 @@ class DOMTreeBuilderTest extends \Masterminds\HTML5\Tests\TestCase
 
         // We're JUST testing that we can access errors. Actual testing of
         // error messages happen in the Tokenizer's tests.
-        $this->assertGreaterThan(0, count($doc->errors));
-        $this->assertTrue(is_string($doc->errors[0]));
+        $this->assertGreaterThan(0, count($this->errors));
+        $this->assertTrue(is_string($this->errors[0]));
     }
 
     public function testProcessingInstruction()
@@ -419,7 +419,7 @@ class DOMTreeBuilderTest extends \Masterminds\HTML5\Tests\TestCase
     {
         $html = '<!DOCTYPE html><html><head><noscript>No JS</noscript></head></html>';
         $doc = $this->parse($html);
-        $this->assertEmpty($doc->errors);
+        $this->assertEmpty($this->errors);
         $noscript = $doc->getElementsByTagName('noscript')->item(0);
         $this->assertEquals('noscript', $noscript->tagName);
     }
@@ -433,7 +433,7 @@ class DOMTreeBuilderTest extends \Masterminds\HTML5\Tests\TestCase
         $doc = $this->parse($html);
         $span = $doc->getElementById('test');
 
-        $this->assertEmpty($doc->errors);
+        $this->assertEmpty($this->errors);
 
         $this->assertEquals('span', $span->tagName);
         $this->assertEquals('Test', $span->textContent);
diff --git a/test/HTML5/Serializer/OutputRulesTest.php b/test/HTML5/Serializer/OutputRulesTest.php
index a54a754..f12acbb 100644
--- a/test/HTML5/Serializer/OutputRulesTest.php
+++ b/test/HTML5/Serializer/OutputRulesTest.php
@@ -330,14 +330,14 @@ class OutputRulesTest extends \Masterminds\HTML5\Tests\TestCase
     <html lang="en">
       <head id="foo"></head>
     </html>');
-        $dom->getElementById('foo')->appendChild(new \DOMText('<script>alert("hi");</script>'));
+        $foo = $dom->getElementById('foo');
+        $foo->appendChild(new \DOMText('<script>alert("hi");</script>'));
 
         $stream = fopen('php://temp', 'w');
         $r = new OutputRules($stream, $this->html5->getOptions());
         $t = new Traverser($dom, $stream, $r, $this->html5->getOptions());
 
-        $item = $dom->getElementById('foo');
-        $r->text($item->firstChild);
+        $r->text($foo->firstChild);
         $this->assertEquals('&lt;script&gt;alert("hi");&lt;/script&gt;', stream_get_contents($stream, - 1, 0));
     }
 
-- 
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