2 files changed, 203 insertions, 0 deletions
diff --git a/vendor/fguillot/picofeed b/vendor/fguillot/picofeed
deleted file mode 160000
-Subproject 0a1d0d3950f7f047dc8fb1d80aa6296e15f306d
diff --git a/vendor/fguillot/picofeed/lib/PicoFeed/Filter/Html.php b/vendor/fguillot/picofeed/lib/PicoFeed/Filter/Html.php
new file mode 100644
index 000000000..7abd740b1
--- /dev/null
+++ b/vendor/fguillot/picofeed/lib/PicoFeed/Filter/Html.php
@@ -0,0 +1,203 @@
+<?php
+
+namespace PicoFeed\Filter;
+
+use \PicoFeed\Client\Url;
+use \PicoFeed\Parser\XmlParser;
+
+/**
+ * HTML Filter class
+ *
+ * @author  Frederic Guillot
+ * @package Filter
+ */
+class Html
+{
+    /**
+     * Config object
+     *
+     * @access private
+     * @var \PicoFeed\Config\Config
+     */
+    private $config;
+
+    /**
+     * Unfiltered XML data
+     *
+     * @access private
+     * @var string
+     */
+    private $input = '';
+
+    /**
+     * Filtered XML data
+     *
+     * @access private
+     * @var string
+     */
+    private $output = '';
+
+    /**
+     * List of empty tags
+     *
+     * @access private
+     * @var array
+     */
+    private $empty_tags = array();
+
+    /**
+     * Empty flag
+     *
+     * @access private
+     * @var boolean
+     */
+    private $empty = true;
+
+    /**
+     * Tag instance
+     *
+     * @access public
+     * @var \PicoFeed\Filter\Tag
+     */
+    public $tag = '';
+
+    /**
+     * Attribute instance
+     *
+     * @access public
+     * @var \PicoFeed\Filter\Attribute
+     */
+    public $attribute = '';
+
+    /**
+     * Initialize the filter, all inputs data must be encoded in UTF-8 before
+     *
+     * @access public
+     * @param  string  $html      HTML content
+     * @param  string  $website   Site URL (used to build absolute URL)
+     */
+    public function __construct($html, $website)
+    {
+        $this->input = XmlParser::HtmlToXml($html);
+        $this->output = '';
+        $this->tag = new Tag;
+        $this->attribute = new Attribute(new Url($website));
+    }
+
+    /**
+     * Set config object
+     *
+     * @access public
+     * @param  \PicoFeed\Config\Config  $config   Config instance
+     * @return \PicoFeed\Filter\Html
+     */
+    public function setConfig($config)
+    {
+        $this->config = $config;
+
+        if ($this->config !== null) {
+            $this->attribute->setImageProxyCallback($this->config->getFilterImageProxyCallback());
+            $this->attribute->setImageProxyUrl($this->config->getFilterImageProxyUrl());
+            $this->attribute->setIframeWhitelist($this->config->getFilterIframeWhitelist(array()));
+            $this->attribute->setIntegerAttributes($this->config->getFilterIntegerAttributes(array()));
+            $this->attribute->setAttributeOverrides($this->config->getFilterAttributeOverrides(array()));
+            $this->attribute->setRequiredAttributes($this->config->getFilterRequiredAttributes(array()));
+            $this->attribute->setMediaBlacklist($this->config->getFilterMediaBlacklist(array()));
+            $this->attribute->setMediaAttributes($this->config->getFilterMediaAttributes(array()));
+            $this->attribute->setSchemeWhitelist($this->config->getFilterSchemeWhitelist(array()));
+            $this->attribute->setWhitelistedAttributes($this->config->getFilterWhitelistedTags(array()));
+            $this->tag->setWhitelistedTags(array_keys($this->config->getFilterWhitelistedTags(array())));
+        }
+
+        return $this;
+    }
+
+    /**
+     * Run tags/attributes filtering
+     *
+     * @access public
+     * @return string
+     */
+    public function execute()
+    {
+        $parser = xml_parser_create();
+
+        xml_set_object($parser, $this);
+        xml_set_element_handler($parser, 'startTag', 'endTag');
+        xml_set_character_data_handler($parser, 'dataTag');
+        xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, false);
+        xml_parse($parser, $this->input, true);
+        xml_parser_free($parser);
+
+        $this->postFilter();
+
+        return $this->output;
+    }
+
+    /**
+     * Called after XML parsing
+     *
+     * @access public
+     */
+    public function postFilter()
+    {
+        $this->output = $this->tag->removeEmptyTags($this->output);
+        $this->output = trim($this->output);
+    }
+
+    /**
+     * Parse opening tag
+     *
+     * @access public
+     * @param  resource  $parser       XML parser
+     * @param  string    $tag          Tag name
+     * @param  array     $attributes   Tag attributes
+     */
+    public function startTag($parser, $tag, array $attributes)
+    {
+        $this->empty = true;
+
+        if ($this->tag->isAllowed($tag, $attributes)) {
+
+            $attributes = $this->attribute->filter($tag, $attributes);
+
+            if ($this->attribute->hasRequiredAttributes($tag, $attributes)) {
+
+                $attributes = $this->attribute->addAttributes($tag, $attributes);
+
+                $this->output .= $this->tag->openHtmlTag($tag, $this->attribute->toHtml($attributes));
+                $this->empty = false;
+            }
+        }
+
+        $this->empty_tags[] = $this->empty;
+    }
+
+    /**
+     * Parse closing tag
+     *
+     * @access public
+     * @param  resource  $parser    XML parser
+     * @param  string    $tag       Tag name
+     */
+    public function endTag($parser, $tag)
+    {
+        if (! array_pop($this->empty_tags) && $this->tag->isAllowedTag($tag)) {
+            $this->output .= $this->tag->closeHtmlTag($tag);
+        }
+    }
+
+    /**
+     * Parse tag content
+     *
+     * @access public
+     * @param  resource  $parser    XML parser
+     * @param  string    $content   Tag content
+     */
+    public function dataTag($parser, $content)
+    {
+        // Replace &nbsp; with normal space
+        $content = str_replace("\xc2\xa0", ' ', $content);
+        $this->output .= Filter::escape($content);
+    }
+}