1 files changed, 362 insertions, 0 deletions

diff --git a/inc/3rdparty/simplepie/SimplePie/XML/Declaration/Parser.php b/inc/3rdparty/simplepie/SimplePie/XML/Declaration/Parser.php
new file mode 100644
index 00000000..b7ebc6f5
--- /dev/null
+++ b/inc/3rdparty/simplepie/SimplePie/XML/Declaration/Parser.php
@@ -0,0 +1,362 @@
+<?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
+ */
+
+
+/**
+ * Parses the XML Declaration
+ *
+ * @package SimplePie
+ */
+class SimplePie_XML_Declaration_Parser
+{
+        /**
+         * XML Version
+         *
+         * @access public
+         * @var string
+         */
+        var $version = '1.0';
+
+        /**
+         * Encoding
+         *
+         * @access public
+         * @var string
+         */
+        var $encoding = 'UTF-8';
+
+        /**
+         * Standalone
+         *
+         * @access public
+         * @var bool
+         */
+        var $standalone = false;
+
+        /**
+         * Current state of the state machine
+         *
+         * @access private
+         * @var string
+         */
+        var $state = 'before_version_name';
+
+        /**
+         * Input data
+         *
+         * @access private
+         * @var string
+         */
+        var $data = '';
+
+        /**
+         * Input data length (to avoid calling strlen() everytime this is needed)
+         *
+         * @access private
+         * @var int
+         */
+        var $data_length = 0;
+
+        /**
+         * Current position of the pointer
+         *
+         * @var int
+         * @access private
+         */
+        var $position = 0;
+
+        /**
+         * Create an instance of the class with the input data
+         *
+         * @access public
+         * @param string $data Input data
+         */
+        public function __construct($data)
+        {
+                $this->data = $data;
+                $this->data_length = strlen($this->data);
+        }
+
+        /**
+         * Parse the input data
+         *
+         * @access public
+         * @return bool true on success, false on failure
+         */
+        public function parse()
+        {
+                while ($this->state && $this->state !== 'emit' && $this->has_data())
+                {
+                        $state = $this->state;
+                        $this->$state();
+                }
+                $this->data = '';
+                if ($this->state === 'emit')
+                {
+                        return true;
+                }
+                else
+                {
+                        $this->version = '';
+                        $this->encoding = '';
+                        $this->standalone = '';
+                        return false;
+                }
+        }
+
+        /**
+         * Check whether there is data beyond the pointer
+         *
+         * @access private
+         * @return bool true if there is further data, false if not
+         */
+        public function has_data()
+        {
+                return (bool) ($this->position < $this->data_length);
+        }
+
+        /**
+         * Advance past any whitespace
+         *
+         * @return int Number of whitespace characters passed
+         */
+        public function skip_whitespace()
+        {
+                $whitespace = strspn($this->data, "\x09\x0A\x0D\x20", $this->position);
+                $this->position += $whitespace;
+                return $whitespace;
+        }
+
+        /**
+         * Read value
+         */
+        public function get_value()
+        {
+                $quote = substr($this->data, $this->position, 1);
+                if ($quote === '"' || $quote === "'")
+                {
+                        $this->position++;
+                        $len = strcspn($this->data, $quote, $this->position);
+                        if ($this->has_data())
+                        {
+                                $value = substr($this->data, $this->position, $len);
+                                $this->position += $len + 1;
+                                return $value;
+                        }
+                }
+                return false;
+        }
+
+        public function before_version_name()
+        {
+                if ($this->skip_whitespace())
+                {
+                        $this->state = 'version_name';
+                }
+                else
+                {
+                        $this->state = false;
+                }
+        }
+
+        public function version_name()
+        {
+                if (substr($this->data, $this->position, 7) === 'version')
+                {
+                        $this->position += 7;
+                        $this->skip_whitespace();
+                        $this->state = 'version_equals';
+                }
+                else
+                {
+                        $this->state = false;
+                }
+        }
+
+        public function version_equals()
+        {
+                if (substr($this->data, $this->position, 1) === '=')
+                {
+                        $this->position++;
+                        $this->skip_whitespace();
+                        $this->state = 'version_value';
+                }
+                else
+                {
+                        $this->state = false;
+                }
+        }
+
+        public function version_value()
+        {
+                if ($this->version = $this->get_value())
+                {
+                        $this->skip_whitespace();
+                        if ($this->has_data())
+                        {
+                                $this->state = 'encoding_name';
+                        }
+                        else
+                        {
+                                $this->state = 'emit';
+                        }
+                }
+                else
+                {
+                        $this->state = false;
+                }
+        }
+
+        public function encoding_name()
+        {
+                if (substr($this->data, $this->position, 8) === 'encoding')
+                {
+                        $this->position += 8;
+                        $this->skip_whitespace();
+                        $this->state = 'encoding_equals';
+                }
+                else
+                {
+                        $this->state = 'standalone_name';
+                }
+        }
+
+        public function encoding_equals()
+        {
+                if (substr($this->data, $this->position, 1) === '=')
+                {
+                        $this->position++;
+                        $this->skip_whitespace();
+                        $this->state = 'encoding_value';
+                }
+                else
+                {
+                        $this->state = false;
+                }
+        }
+
+        public function encoding_value()
+        {
+                if ($this->encoding = $this->get_value())
+                {
+                        $this->skip_whitespace();
+                        if ($this->has_data())
+                        {
+                                $this->state = 'standalone_name';
+                        }
+                        else
+                        {
+                                $this->state = 'emit';
+                        }
+                }
+                else
+                {
+                        $this->state = false;
+                }
+        }
+
+        public function standalone_name()
+        {
+                if (substr($this->data, $this->position, 10) === 'standalone')
+                {
+                        $this->position += 10;
+                        $this->skip_whitespace();
+                        $this->state = 'standalone_equals';
+                }
+                else
+                {
+                        $this->state = false;
+                }
+        }
+
+        public function standalone_equals()
+        {
+                if (substr($this->data, $this->position, 1) === '=')
+                {
+                        $this->position++;
+                        $this->skip_whitespace();
+                        $this->state = 'standalone_value';
+                }
+                else
+                {
+                        $this->state = false;
+                }
+        }
+
+        public function standalone_value()
+        {
+                if ($standalone = $this->get_value())
+                {
+                        switch ($standalone)
+                        {
+                                case 'yes':
+                                        $this->standalone = true;
+                                        break;
+
+                                case 'no':
+                                        $this->standalone = false;
+                                        break;
+
+                                default:
+                                        $this->state = false;
+                                        return;
+                        }
+
+                        $this->skip_whitespace();
+                        if ($this->has_data())
+                        {
+                                $this->state = false;
+                        }
+                        else
+                        {
+                                $this->state = 'emit';
+                        }
+                }
+                else
+                {
+                        $this->state = false;
+                }
+        }
+}