From ac286005c0eef03c85a4d75a6b36cc30d2c5990e Mon Sep 17 00:00:00 2001
From: Matt Butcher <technosophos@gmail.com>
Date: Wed, 15 May 2013 09:33:25 -0500
Subject: Updated main HTML5 class.

It now uses the real library, and matches the DOMDocument interface.
---
 src/HTML5.php | 86 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 84 insertions(+), 2 deletions(-)

(limited to 'src/HTML5.php')

diff --git a/src/HTML5.php b/src/HTML5.php
index 31db307..23948b3 100644
--- a/src/HTML5.php
+++ b/src/HTML5.php
@@ -1,14 +1,82 @@
 <?php
 
+use HTML5\Parser\StringInputStream;
+use HTML5\Parser\FileInputStream;
+use HTML5\Parser\Scanner;
+use HTML5\Parser\Tokenizer;
+use HTML5\Parser\DOMTreeBuilder;
+use HTML5\Serializer\Serializer;
+
 /**
  * The main HTML5 front end.
  *
  * This class offers convenience methods for parsing and serializing HTML5.
+ * It is roughly designed to mirror the \DOMDocument class that is 
+ * provided with most versions of PHP.
  *
  * EXPERIMENTAL. This may change or be completely replaced.
  */
-class HTML5 extends \HTML5\Parser {
-  // Inherit parse() and parseFragment().
+class HTML5 {
+
+  /**
+   * Load and parse an HTML file.
+   *
+   * This will apply the HTML5 parser, which is tolerant of many 
+   * varieties of HTML, including XHTML 1, HTML 4, and well-formed HTML 
+   * 3. Note that in these cases, not all of the old data will be 
+   * preserved. For example, XHTML's XML declaration will be removed.
+   *
+   * The rules governing parsing are set out in the HTML 5 spec.
+   *
+   * @param string $file
+   *   The path to the file to parse. If this is a resource, it is 
+   *   assumed to be an open stream whose pointer is set to the first 
+   *   byte of input.
+   * @param array $options
+   *   An array of options.
+   * @return \DOMDocument
+   *   A DOM document. These object type is defined by the libxml 
+   *   library, and should have been included with your version of PHP.
+   */
+  public function load($file, $options = NULL) {
+
+    // Handle the case where file is a resource.
+    if (is_resource($file)) {
+      // FIXME: We need a StreamInputStream class.
+      return $this->loadHTML(stream_get_contents($file));
+    }
+
+    $input = new FileInputStream($file);
+    return $this->parse($input);
+  }
+
+  /**
+   * Parse an HTML string.
+   * 
+   * Take a string of HTML 5 (or earlier) and parse it into a 
+   * DOMDocument.
+   *
+   *
+   * @param array $options
+   *   An array of options.
+   * @return \DOMDocument
+   *   A DOM document. DOM is part of libxml, which is included with 
+   *   almost all distribtions of PHP.
+   */
+  public function loadHTML($string, $options = NULL) {
+    $input = new StringInputStream($string);
+    return $this->parse($input);
+  }
+
+  /**
+   * Convenience function to load an HTML file.
+   *
+   * This is here to provide backwards compatibility with the
+   * PHP DOM implementation. It simply calls load().
+   */
+  public function loadHTMLFile($file, $options = NULL) {
+    return $this->load($file, $options);
+  }
 
   /**
    * Save a DOM into a given file as HTML5.
@@ -25,4 +93,18 @@ class HTML5 extends \HTML5\Parser {
     $serializer = new \HTML5\Serializer\Serializer($dom);
     return $serializer->saveHTML();
   }
+
+  /**
+   * Parse an input stream.
+   */
+  protected function parse($input) {
+    $events = new DOMTreeBuilder();
+    $scanner = new Scanner($input);
+    $parser = new Tokenizer($scanner, $events);
+
+    $parser->parse();
+
+    return $events->document();
+  }
+
 }
-- 
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