split into a separate repo

1 files changed, 246 insertions, 0 deletions

diff --git a/vendor/masterminds/html5/src/HTML5.php b/vendor/masterminds/html5/src/HTML5.php
new file mode 100644
index 0000000..c857145
--- /dev/null
+++ b/vendor/masterminds/html5/src/HTML5.php
@@ -0,0 +1,246 @@
+<?php
+
+namespace Masterminds;
+
+use Masterminds\HTML5\Parser\DOMTreeBuilder;
+use Masterminds\HTML5\Parser\Scanner;
+use Masterminds\HTML5\Parser\Tokenizer;
+use Masterminds\HTML5\Serializer\OutputRules;
+use Masterminds\HTML5\Serializer\Traverser;
+
+/**
+ * This class offers convenience methods for parsing and serializing HTML5.
+ * It is roughly designed to mirror the \DOMDocument native class.
+ */
+class HTML5
+{
+    /**
+     * Global options for the parser and serializer.
+     *
+     * @var array
+     */
+    private $defaultOptions = array(
+        // Whether the serializer should aggressively encode all characters as entities.
+        'encode_entities' => false,
+
+        // Prevents the parser from automatically assigning the HTML5 namespace to the DOM document.
+        'disable_html_ns' => false,
+    );
+
+    protected $errors = array();
+
+    public function __construct(array $defaultOptions = array())
+    {
+        $this->defaultOptions = array_merge($this->defaultOptions, $defaultOptions);
+    }
+
+    /**
+     * Get the current default options.
+     *
+     * @return array
+     */
+    public function getOptions()
+    {
+        return $this->defaultOptions;
+    }
+
+    /**
+     * 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|resource $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           $options Configuration options when parsing the HTML.
+     *
+     * @return \DOMDocument A DOM document. These object type is defined by the libxml
+     *                      library, and should have been included with your version of PHP.
+     */
+    public function load($file, array $options = array())
+    {
+        // Handle the case where file is a resource.
+        if (is_resource($file)) {
+            return $this->parse(stream_get_contents($file), $options);
+        }
+
+        return $this->parse(file_get_contents($file), $options);
+    }
+
+    /**
+     * Parse a HTML Document from a string.
+     *
+     * Take a string of HTML 5 (or earlier) and parse it into a
+     * DOMDocument.
+     *
+     * @param string $string  A html5 document as a string.
+     * @param array  $options Configuration options when parsing the HTML.
+     *
+     * @return \DOMDocument A DOM document. DOM is part of libxml, which is included with
+     *                      almost all distribtions of PHP.
+     */
+    public function loadHTML($string, array $options = array())
+    {
+        return $this->parse($string, $options);
+    }
+
+    /**
+     * Convenience function to load an HTML file.
+     *
+     * This is here to provide backwards compatibility with the
+     * PHP DOM implementation. It simply calls load().
+     *
+     * @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  $options Configuration options when parsing the HTML.
+     *
+     * @return \DOMDocument A DOM document. These object type is defined by the libxml
+     *                      library, and should have been included with your version of PHP.
+     */
+    public function loadHTMLFile($file, array $options = array())
+    {
+        return $this->load($file, $options);
+    }
+
+    /**
+     * Parse a HTML fragment from a string.
+     *
+     * @param string $string  the HTML5 fragment as a string
+     * @param array  $options Configuration options when parsing the HTML
+     *
+     * @return \DOMDocumentFragment A DOM fragment. The DOM is part of libxml, which is included with
+     *                              almost all distributions of PHP.
+     */
+    public function loadHTMLFragment($string, array $options = array())
+    {
+        return $this->parseFragment($string, $options);
+    }
+
+    /**
+     * Return all errors encountered into parsing phase.
+     *
+     * @return array
+     */
+    public function getErrors()
+    {
+        return $this->errors;
+    }
+
+    /**
+     * Return true it some errors were encountered into parsing phase.
+     *
+     * @return bool
+     */
+    public function hasErrors()
+    {
+        return count($this->errors) > 0;
+    }
+
+    /**
+     * Parse an input string.
+     *
+     * @param string $input
+     * @param array  $options
+     *
+     * @return \DOMDocument
+     */
+    public function parse($input, array $options = array())
+    {
+        $this->errors = array();
+        $options = array_merge($this->defaultOptions, $options);
+        $events = new DOMTreeBuilder(false, $options);
+        $scanner = new Scanner($input, !empty($options['encoding']) ? $options['encoding'] : 'UTF-8');
+        $parser = new Tokenizer($scanner, $events, !empty($options['xmlNamespaces']) ? Tokenizer::CONFORMANT_XML : Tokenizer::CONFORMANT_HTML);
+
+        $parser->parse();
+        $this->errors = $events->getErrors();
+
+        return $events->document();
+    }
+
+    /**
+     * Parse an input stream where the stream is a fragment.
+     *
+     * Lower-level loading function. This requires an input stream instead
+     * of a string, file, or resource.
+     *
+     * @param string $input   The input data to parse in the form of a string.
+     * @param array  $options An array of options.
+     *
+     * @return \DOMDocumentFragment
+     */
+    public function parseFragment($input, array $options = array())
+    {
+        $options = array_merge($this->defaultOptions, $options);
+        $events = new DOMTreeBuilder(true, $options);
+        $scanner = new Scanner($input, !empty($options['encoding']) ? $options['encoding'] : 'UTF-8');
+        $parser = new Tokenizer($scanner, $events, !empty($options['xmlNamespaces']) ? Tokenizer::CONFORMANT_XML : Tokenizer::CONFORMANT_HTML);
+
+        $parser->parse();
+        $this->errors = $events->getErrors();
+
+        return $events->fragment();
+    }
+
+    /**
+     * Save a DOM into a given file as HTML5.
+     *
+     * @param mixed           $dom     The DOM to be serialized.
+     * @param string|resource $file    The filename to be written or resource to write to.
+     * @param array           $options Configuration options when serializing the DOM. These include:
+     *                                 - encode_entities: Text written to the output is escaped by default and not all
+     *                                 entities are encoded. If this is set to true all entities will be encoded.
+     *                                 Defaults to false.
+     */
+    public function save($dom, $file, $options = array())
+    {
+        $close = true;
+        if (is_resource($file)) {
+            $stream = $file;
+            $close = false;
+        } else {
+            $stream = fopen($file, 'wb');
+        }
+        $options = array_merge($this->defaultOptions, $options);
+        $rules = new OutputRules($stream, $options);
+        $trav = new Traverser($dom, $stream, $rules, $options);
+
+        $trav->walk();
+        /*
+         * release the traverser to avoid cyclic references and allow PHP to free memory without waiting for gc_collect_cycles
+         */
+        $rules->unsetTraverser();
+        if ($close) {
+            fclose($stream);
+        }
+    }
+
+    /**
+     * Convert a DOM into an HTML5 string.
+     *
+     * @param mixed $dom     The DOM to be serialized.
+     * @param array $options Configuration options when serializing the DOM. These include:
+     *                       - encode_entities: Text written to the output is escaped by default and not all
+     *                       entities are encoded. If this is set to true all entities will be encoded.
+     *                       Defaults to false.
+     *
+     * @return string A HTML5 documented generated from the DOM.
+     */
+    public function saveHTML($dom, $options = array())
+    {
+        $stream = fopen('php://temp', 'wb');
+        $this->save($dom, $stream, array_merge($this->defaultOptions, $options));
+
+        $html = stream_get_contents($stream, -1, 0);
+
+        fclose($stream);
+
+        return $html;
+    }
+}