poche now uses Full Text RSS to fetch content

1 files changed, 387 insertions, 0 deletions

diff --git a/inc/3rdparty/simplepie/SimplePie/Parser.php b/inc/3rdparty/simplepie/SimplePie/Parser.php
new file mode 100644
index 00000000..182bf861
--- /dev/null
+++ b/inc/3rdparty/simplepie/SimplePie/Parser.php
@@ -0,0 +1,387 @@
+<?php
+/**
+ * SimplePie
+ *
+ * A PHP-Based RSS and Atom Feed Framework.
+ * Takes the hard work out of managing a complete RSS/Atom solution.
+ *
+ * Copyright (c) 2004-2009, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ *      * Redistributions of source code must retain the above copyright notice, this list of
+ *        conditions and the following disclaimer.
+ *
+ *      * Redistributions in binary form must reproduce the above copyright notice, this list
+ *        of conditions and the following disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ *      * Neither the name of the SimplePie Team nor the names of its contributors may be used
+ *        to endorse or promote products derived from this software without specific prior
+ *        written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
+ * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @package SimplePie
+ * @version 1.3-dev
+ * @copyright 2004-2010 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @author Ryan Parman
+ * @author Geoffrey Sneddon
+ * @author Ryan McCue
+ * @link http://simplepie.org/ SimplePie
+ * @license http://www.opensource.org/licenses/bsd-license.php BSD License
+ * @todo phpDoc comments
+ */
+
+
+class SimplePie_Parser
+{
+        var $error_code;
+        var $error_string;
+        var $current_line;
+        var $current_column;
+        var $current_byte;
+        var $separator = ' ';
+        var $namespace = array('');
+        var $element = array('');
+        var $xml_base = array('');
+        var $xml_base_explicit = array(false);
+        var $xml_lang = array('');
+        var $data = array();
+        var $datas = array(array());
+        var $current_xhtml_construct = -1;
+        var $encoding;
+
+        public function parse(&$data, $encoding)
+        {
+                // Use UTF-8 if we get passed US-ASCII, as every US-ASCII character is a UTF-8 character
+                if (strtoupper($encoding) === 'US-ASCII')
+                {
+                        $this->encoding = 'UTF-8';
+                }
+                else
+                {
+                        $this->encoding = $encoding;
+                }
+
+                // Strip BOM:
+                // UTF-32 Big Endian BOM
+                if (substr($data, 0, 4) === "\x00\x00\xFE\xFF")
+                {
+                        $data = substr($data, 4);
+                }
+                // UTF-32 Little Endian BOM
+                elseif (substr($data, 0, 4) === "\xFF\xFE\x00\x00")
+                {
+                        $data = substr($data, 4);
+                }
+                // UTF-16 Big Endian BOM
+                elseif (substr($data, 0, 2) === "\xFE\xFF")
+                {
+                        $data = substr($data, 2);
+                }
+                // UTF-16 Little Endian BOM
+                elseif (substr($data, 0, 2) === "\xFF\xFE")
+                {
+                        $data = substr($data, 2);
+                }
+                // UTF-8 BOM
+                elseif (substr($data, 0, 3) === "\xEF\xBB\xBF")
+                {
+                        $data = substr($data, 3);
+                }
+
+                if (substr($data, 0, 5) === '<?xml' && strspn(substr($data, 5, 1), "\x09\x0A\x0D\x20") && ($pos = strpos($data, '?>')) !== false)
+                {
+                        $declaration = new SimplePie_XML_Declaration_Parser(substr($data, 5, $pos - 5));
+                        if ($declaration->parse())
+                        {
+                                $data = substr($data, $pos + 2);
+                                $data = '<?xml version="' . $declaration->version . '" encoding="' . $encoding . '" standalone="' . (($declaration->standalone) ? 'yes' : 'no') . '"?>' . $data;
+                        }
+                        else
+                        {
+                                $this->error_string = 'SimplePie bug! Please report this!';
+                                return false;
+                        }
+                }
+
+                $return = true;
+
+                static $xml_is_sane = null;
+                if ($xml_is_sane === null)
+                {
+                        $parser_check = xml_parser_create();
+                        xml_parse_into_struct($parser_check, '<foo>&amp;</foo>', $values);
+                        xml_parser_free($parser_check);
+                        $xml_is_sane = isset($values[0]['value']);
+                }
+
+                // Create the parser
+                if ($xml_is_sane)
+                {
+                        $xml = xml_parser_create_ns($this->encoding, $this->separator);
+                        xml_parser_set_option($xml, XML_OPTION_SKIP_WHITE, 1);
+                        xml_parser_set_option($xml, XML_OPTION_CASE_FOLDING, 0);
+                        xml_set_object($xml, $this);
+                        xml_set_character_data_handler($xml, 'cdata');
+                        xml_set_element_handler($xml, 'tag_open', 'tag_close');
+
+                        // Parse!
+                        if (!xml_parse($xml, $data, true))
+                        {
+                                $this->error_code = xml_get_error_code($xml);
+                                $this->error_string = xml_error_string($this->error_code);
+                                $return = false;
+                        }
+                        $this->current_line = xml_get_current_line_number($xml);
+                        $this->current_column = xml_get_current_column_number($xml);
+                        $this->current_byte = xml_get_current_byte_index($xml);
+                        xml_parser_free($xml);
+                        return $return;
+                }
+                else
+                {
+                        libxml_clear_errors();
+                        $xml = new XMLReader();
+                        $xml->xml($data);
+                        while (@$xml->read())
+                        {
+                                switch ($xml->nodeType)
+                                {
+
+                                        case constant('XMLReader::END_ELEMENT'):
+                                                if ($xml->namespaceURI !== '')
+                                                {
+                                                        $tagName = $xml->namespaceURI . $this->separator . $xml->localName;
+                                                }
+                                                else
+                                                {
+                                                        $tagName = $xml->localName;
+                                                }
+                                                $this->tag_close(null, $tagName);
+                                                break;
+                                        case constant('XMLReader::ELEMENT'):
+                                                $empty = $xml->isEmptyElement;
+                                                if ($xml->namespaceURI !== '')
+                                                {
+                                                        $tagName = $xml->namespaceURI . $this->separator . $xml->localName;
+                                                }
+                                                else
+                                                {
+                                                        $tagName = $xml->localName;
+                                                }
+                                                $attributes = array();
+                                                while ($xml->moveToNextAttribute())
+                                                {
+                                                        if ($xml->namespaceURI !== '')
+                                                        {
+                                                                $attrName = $xml->namespaceURI . $this->separator . $xml->localName;
+                                                        }
+                                                        else
+                                                        {
+                                                                $attrName = $xml->localName;
+                                                        }
+                                                        $attributes[$attrName] = $xml->value;
+                                                }
+                                                $this->tag_open(null, $tagName, $attributes);
+                                                if ($empty)
+                                                {
+                                                        $this->tag_close(null, $tagName);
+                                                }
+                                                break;
+                                        case constant('XMLReader::TEXT'):
+
+                                        case constant('XMLReader::CDATA'):
+                                                $this->cdata(null, $xml->value);
+                                                break;
+                                }
+                        }
+                        if ($error = libxml_get_last_error())
+                        {
+                                $this->error_code = $error->code;
+                                $this->error_string = $error->message;
+                                $this->current_line = $error->line;
+                                $this->current_column = $error->column;
+                                return false;
+                        }
+                        else
+                        {
+                                return true;
+                        }
+                }
+        }
+
+        public function get_error_code()
+        {
+                return $this->error_code;
+        }
+
+        public function get_error_string()
+        {
+                return $this->error_string;
+        }
+
+        public function get_current_line()
+        {
+                return $this->current_line;
+        }
+
+        public function get_current_column()
+        {
+                return $this->current_column;
+        }
+
+        public function get_current_byte()
+        {
+                return $this->current_byte;
+        }
+
+        public function get_data()
+        {
+                return $this->data;
+        }
+
+        public function tag_open($parser, $tag, $attributes)
+        {
+                list($this->namespace[], $this->element[]) = $this->split_ns($tag);
+
+                $attribs = array();
+                foreach ($attributes as $name => $value)
+                {
+                        list($attrib_namespace, $attribute) = $this->split_ns($name);
+                        $attribs[$attrib_namespace][$attribute] = $value;
+                }
+
+                if (isset($attribs[SIMPLEPIE_NAMESPACE_XML]['base']))
+                {
+                        $this->xml_base[] = SimplePie_Misc::absolutize_url($attribs[SIMPLEPIE_NAMESPACE_XML]['base'], end($this->xml_base));
+                        $this->xml_base_explicit[] = true;
+                }
+                else
+                {
+                        $this->xml_base[] = end($this->xml_base);
+                        $this->xml_base_explicit[] = end($this->xml_base_explicit);
+                }
+
+                if (isset($attribs[SIMPLEPIE_NAMESPACE_XML]['lang']))
+                {
+                        $this->xml_lang[] = $attribs[SIMPLEPIE_NAMESPACE_XML]['lang'];
+                }
+                else
+                {
+                        $this->xml_lang[] = end($this->xml_lang);
+                }
+
+                if ($this->current_xhtml_construct >= 0)
+                {
+                        $this->current_xhtml_construct++;
+                        if (end($this->namespace) === SIMPLEPIE_NAMESPACE_XHTML)
+                        {
+                                $this->data['data'] .= '<' . end($this->element);
+                                if (isset($attribs['']))
+                                {
+                                        foreach ($attribs[''] as $name => $value)
+                                        {
+                                                $this->data['data'] .= ' ' . $name . '="' . htmlspecialchars($value, ENT_COMPAT, $this->encoding) . '"';
+                                        }
+                                }
+                                $this->data['data'] .= '>';
+                        }
+                }
+                else
+                {
+                        $this->datas[] =& $this->data;
+                        $this->data =& $this->data['child'][end($this->namespace)][end($this->element)][];
+                        $this->data = array('data' => '', 'attribs' => $attribs, 'xml_base' => end($this->xml_base), 'xml_base_explicit' => end($this->xml_base_explicit), 'xml_lang' => end($this->xml_lang));
+                        if ((end($this->namespace) === SIMPLEPIE_NAMESPACE_ATOM_03 && in_array(end($this->element), array('title', 'tagline', 'copyright', 'info', 'summary', 'content')) && isset($attribs['']['mode']) && $attribs['']['mode'] === 'xml')
+                        || (end($this->namespace) === SIMPLEPIE_NAMESPACE_ATOM_10 && in_array(end($this->element), array('rights', 'subtitle', 'summary', 'info', 'title', 'content')) && isset($attribs['']['type']) && $attribs['']['type'] === 'xhtml'))
+                        {
+                                $this->current_xhtml_construct = 0;
+                        }
+                }
+        }
+
+        public function cdata($parser, $cdata)
+        {
+                if ($this->current_xhtml_construct >= 0)
+                {
+                        $this->data['data'] .= htmlspecialchars($cdata, ENT_QUOTES, $this->encoding);
+                }
+                else
+                {
+                        $this->data['data'] .= $cdata;
+                }
+        }
+
+        public function tag_close($parser, $tag)
+        {
+                if ($this->current_xhtml_construct >= 0)
+                {
+                        $this->current_xhtml_construct--;
+                        if (end($this->namespace) === SIMPLEPIE_NAMESPACE_XHTML && !in_array(end($this->element), array('area', 'base', 'basefont', 'br', 'col', 'frame', 'hr', 'img', 'input', 'isindex', 'link', 'meta', 'param')))
+                        {
+                                $this->data['data'] .= '</' . end($this->element) . '>';
+                        }
+                }
+                if ($this->current_xhtml_construct === -1)
+                {
+                        $this->data =& $this->datas[count($this->datas) - 1];
+                        array_pop($this->datas);
+                }
+
+                array_pop($this->element);
+                array_pop($this->namespace);
+                array_pop($this->xml_base);
+                array_pop($this->xml_base_explicit);
+                array_pop($this->xml_lang);
+        }
+
+        public function split_ns($string)
+        {
+                static $cache = array();
+                if (!isset($cache[$string]))
+                {
+                        if ($pos = strpos($string, $this->separator))
+                        {
+                                static $separator_length;
+                                if (!$separator_length)
+                                {
+                                        $separator_length = strlen($this->separator);
+                                }
+                                $namespace = substr($string, 0, $pos);
+                                $local_name = substr($string, $pos + $separator_length);
+                                if (strtolower($namespace) === SIMPLEPIE_NAMESPACE_ITUNES)
+                                {
+                                        $namespace = SIMPLEPIE_NAMESPACE_ITUNES;
+                                }
+
+                                // Normalize the Media RSS namespaces
+                                if ($namespace === SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG ||
+                                        $namespace === SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG2 ||
+                                        $namespace === SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG3 ||
+                                        $namespace === SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG4 ||
+                                        $namespace === SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG5 )
+                                {
+                                        $namespace = SIMPLEPIE_NAMESPACE_MEDIARSS;
+                                }
+                                $cache[$string] = array($namespace, $local_name);
+                        }
+                        else
+                        {
+                                $cache[$string] = array('', $string);
+                        }
+                }
+                return $cache[$string];
+        }
+}