Adding upstream version 2.11.4.upstream/2.11.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

4 files changed, 1262 insertions, 0 deletions

diff --git a/library/vendor/Zend/Json/Decoder.php b/library/vendor/Zend/Json/Decoder.php
new file mode 100644
index 0000000..0a06016
--- /dev/null
+++ b/library/vendor/Zend/Json/Decoder.php
@@ -0,0 +1,570 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category   Zend
+ * @package    Zend_Json
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Json
+ */
+
+/**
+ * Decode JSON encoded string to PHP variable constructs
+ *
+ * @category   Zend
+ * @package    Zend_Json
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Json_Decoder
+{
+    /**
+     * Parse tokens used to decode the JSON object. These are not
+     * for public consumption, they are just used internally to the
+     * class.
+     */
+    const EOF         = 0;
+    const DATUM        = 1;
+    const LBRACE    = 2;
+    const LBRACKET    = 3;
+    const RBRACE     = 4;
+    const RBRACKET    = 5;
+    const COMMA       = 6;
+    const COLON        = 7;
+
+    /**
+     * Use to maintain a "pointer" to the source being decoded
+     *
+     * @var string
+     */
+    protected $_source;
+
+    /**
+     * Caches the source length
+     *
+     * @var int
+     */
+    protected $_sourceLength;
+
+    /**
+     * The offset within the souce being decoded
+     *
+     * @var int
+     *
+     */
+    protected $_offset;
+
+    /**
+     * The current token being considered in the parser cycle
+     *
+     * @var int
+     */
+    protected $_token;
+
+    /**
+     * Flag indicating how objects should be decoded
+     *
+     * @var int
+     * @access protected
+     */
+    protected $_decodeType;
+
+    /**
+     * Constructor
+     *
+     * @param string $source String source to decode
+     * @param int $decodeType How objects should be decoded -- see
+     * {@link Zend_Json::TYPE_ARRAY} and {@link Zend_Json::TYPE_OBJECT} for
+     * valid values
+     * @return void
+     */
+    protected function __construct($source, $decodeType)
+    {
+        // Set defaults
+        $this->_source       = self::decodeUnicodeString($source);
+        $this->_sourceLength = strlen($this->_source);
+        $this->_token        = self::EOF;
+        $this->_offset       = 0;
+
+        // Normalize and set $decodeType
+        if (!in_array($decodeType, array(Zend_Json::TYPE_ARRAY, Zend_Json::TYPE_OBJECT)))
+        {
+            $decodeType = Zend_Json::TYPE_ARRAY;
+        }
+        $this->_decodeType   = $decodeType;
+
+        // Set pointer at first token
+        $this->_getNextToken();
+    }
+
+    /**
+     * Decode a JSON source string
+     *
+     * Decodes a JSON encoded string. The value returned will be one of the
+     * following:
+     *        - integer
+     *        - float
+     *        - boolean
+     *        - null
+     *      - StdClass
+     *      - array
+     *         - array of one or more of the above types
+     *
+     * By default, decoded objects will be returned as associative arrays; to
+     * return a StdClass object instead, pass {@link Zend_Json::TYPE_OBJECT} to
+     * the $objectDecodeType parameter.
+     *
+     * Throws a Zend_Json_Exception if the source string is null.
+     *
+     * @static
+     * @access public
+     * @param string $source String to be decoded
+     * @param int $objectDecodeType How objects should be decoded; should be
+     * either or {@link Zend_Json::TYPE_ARRAY} or
+     * {@link Zend_Json::TYPE_OBJECT}; defaults to TYPE_ARRAY
+     * @return mixed
+     * @throws Zend_Json_Exception
+     */
+    public static function decode($source = null, $objectDecodeType = Zend_Json::TYPE_ARRAY)
+    {
+        if (null === $source) {
+            throw new Zend_Json_Exception('Must specify JSON encoded source for decoding');
+        } elseif (!is_string($source)) {
+            throw new Zend_Json_Exception('Can only decode JSON encoded strings');
+        }
+
+        $decoder = new self($source, $objectDecodeType);
+
+        return $decoder->_decodeValue();
+    }
+
+
+    /**
+     * Recursive driving rountine for supported toplevel tops
+     *
+     * @return mixed
+     */
+    protected function _decodeValue()
+    {
+        switch ($this->_token) {
+            case self::DATUM:
+                $result  = $this->_tokenValue;
+                $this->_getNextToken();
+                return($result);
+                break;
+            case self::LBRACE:
+                return($this->_decodeObject());
+                break;
+            case self::LBRACKET:
+                return($this->_decodeArray());
+                break;
+            default:
+                return null;
+                break;
+        }
+    }
+
+    /**
+     * Decodes an object of the form:
+     *  { "attribute: value, "attribute2" : value,...}
+     *
+     * If Zend_Json_Encoder was used to encode the original object then
+     * a special attribute called __className which specifies a class
+     * name that should wrap the data contained within the encoded source.
+     *
+     * Decodes to either an array or StdClass object, based on the value of
+     * {@link $_decodeType}. If invalid $_decodeType present, returns as an
+     * array.
+     *
+     * @return array|StdClass
+     */
+    protected function _decodeObject()
+    {
+        $members = array();
+        $tok = $this->_getNextToken();
+
+        while ($tok && $tok != self::RBRACE) {
+            if ($tok != self::DATUM || ! is_string($this->_tokenValue)) {
+                throw new Zend_Json_Exception('Missing key in object encoding: ' . $this->_source);
+            }
+
+            $key = $this->_tokenValue;
+            $tok = $this->_getNextToken();
+
+            if ($tok != self::COLON) {
+                throw new Zend_Json_Exception('Missing ":" in object encoding: ' . $this->_source);
+            }
+
+            $tok = $this->_getNextToken();
+            $members[$key] = $this->_decodeValue();
+            $tok = $this->_token;
+
+            if ($tok == self::RBRACE) {
+                break;
+            }
+
+            if ($tok != self::COMMA) {
+                throw new Zend_Json_Exception('Missing "," in object encoding: ' . $this->_source);
+            }
+
+            $tok = $this->_getNextToken();
+        }
+
+        switch ($this->_decodeType) {
+            case Zend_Json::TYPE_OBJECT:
+                // Create new StdClass and populate with $members
+                $result = new StdClass();
+                foreach ($members as $key => $value) {
+                    if ($key === '') {
+                        $key = '_empty_';
+                    }
+                    $result->$key = $value;
+                }
+                break;
+            case Zend_Json::TYPE_ARRAY:
+            default:
+                $result = $members;
+                break;
+        }
+
+        $this->_getNextToken();
+        return $result;
+    }
+
+    /**
+     * Decodes a JSON array format:
+     *    [element, element2,...,elementN]
+     *
+     * @return array
+     */
+    protected function _decodeArray()
+    {
+        $result = array();
+        $starttok = $tok = $this->_getNextToken(); // Move past the '['
+        $index  = 0;
+
+        while ($tok && $tok != self::RBRACKET) {
+            $result[$index++] = $this->_decodeValue();
+
+            $tok = $this->_token;
+
+            if ($tok == self::RBRACKET || !$tok) {
+                break;
+            }
+
+            if ($tok != self::COMMA) {
+                throw new Zend_Json_Exception('Missing "," in array encoding: ' . $this->_source);
+            }
+
+            $tok = $this->_getNextToken();
+        }
+
+        $this->_getNextToken();
+        return($result);
+    }
+
+
+    /**
+     * Removes whitepsace characters from the source input
+     */
+    protected function _eatWhitespace()
+    {
+        if (preg_match(
+                '/([\t\b\f\n\r ])*/s',
+                $this->_source,
+                $matches,
+                PREG_OFFSET_CAPTURE,
+                $this->_offset)
+            && $matches[0][1] == $this->_offset)
+        {
+            $this->_offset += strlen($matches[0][0]);
+        }
+    }
+
+
+    /**
+     * Retrieves the next token from the source stream
+     *
+     * @return int Token constant value specified in class definition
+     */
+    protected function _getNextToken()
+    {
+        $this->_token      = self::EOF;
+        $this->_tokenValue = null;
+        $this->_eatWhitespace();
+
+        if ($this->_offset >= $this->_sourceLength) {
+            return(self::EOF);
+        }
+
+        $str        = $this->_source;
+        $str_length = $this->_sourceLength;
+        $i          = $this->_offset;
+        $start      = $i;
+
+        switch ($str[$i]) {
+            case '{':
+               $this->_token = self::LBRACE;
+               break;
+            case '}':
+                $this->_token = self::RBRACE;
+                break;
+            case '[':
+                $this->_token = self::LBRACKET;
+                break;
+            case ']':
+                $this->_token = self::RBRACKET;
+                break;
+            case ',':
+                $this->_token = self::COMMA;
+                break;
+            case ':':
+                $this->_token = self::COLON;
+                break;
+            case  '"':
+                $result = '';
+                do {
+                    $i++;
+                    if ($i >= $str_length) {
+                        break;
+                    }
+
+                    $chr = $str[$i];
+
+                    if ($chr == '\\') {
+                        $i++;
+                        if ($i >= $str_length) {
+                            break;
+                        }
+                        $chr = $str[$i];
+                        switch ($chr) {
+                            case '"' :
+                                $result .= '"';
+                                break;
+                            case '\\':
+                                $result .= '\\';
+                                break;
+                            case '/' :
+                                $result .= '/';
+                                break;
+                            case 'b' :
+                                $result .= "\x08";
+                                break;
+                            case 'f' :
+                                $result .= "\x0c";
+                                break;
+                            case 'n' :
+                                $result .= "\x0a";
+                                break;
+                            case 'r' :
+                                $result .= "\x0d";
+                                break;
+                            case 't' :
+                                $result .= "\x09";
+                                break;
+                            case '\'' :
+                                $result .= '\'';
+                                break;
+                            default:
+                                throw new Zend_Json_Exception("Illegal escape "
+                                    .  "sequence '" . $chr . "'");
+                        }
+                    } elseif($chr == '"') {
+                        break;
+                    } else {
+                        $result .= $chr;
+                    }
+                } while ($i < $str_length);
+
+                $this->_token = self::DATUM;
+                //$this->_tokenValue = substr($str, $start + 1, $i - $start - 1);
+                $this->_tokenValue = $result;
+                break;
+            case 't':
+                if (($i+ 3) < $str_length && substr($str, $start, 4) == "true") {
+                    $this->_token = self::DATUM;
+                }
+                $this->_tokenValue = true;
+                $i += 3;
+                break;
+            case 'f':
+                if (($i+ 4) < $str_length && substr($str, $start, 5) == "false") {
+                    $this->_token = self::DATUM;
+                }
+                $this->_tokenValue = false;
+                $i += 4;
+                break;
+            case 'n':
+                if (($i+ 3) < $str_length && substr($str, $start, 4) == "null") {
+                    $this->_token = self::DATUM;
+                }
+                $this->_tokenValue = NULL;
+                $i += 3;
+                break;
+        }
+
+        if ($this->_token != self::EOF) {
+            $this->_offset = $i + 1; // Consume the last token character
+            return($this->_token);
+        }
+
+        $chr = $str[$i];
+        if ($chr == '-' || $chr == '.' || ($chr >= '0' && $chr <= '9')) {
+            if (preg_match('/-?([0-9])*(\.[0-9]*)?((e|E)((-|\+)?)[0-9]+)?/s',
+                $str, $matches, PREG_OFFSET_CAPTURE, $start) && $matches[0][1] == $start) {
+
+                $datum = $matches[0][0];
+
+                if (is_numeric($datum)) {
+                    if (preg_match('/^0\d+$/', $datum)) {
+                        throw new Zend_Json_Exception("Octal notation not supported by JSON (value: $datum)");
+                    } else {
+                        $val  = intval($datum);
+                        $fVal = floatval($datum);
+                        $this->_tokenValue = ($val == $fVal ? $val : $fVal);
+                    }
+                } else {
+                    throw new Zend_Json_Exception("Illegal number format: $datum");
+                }
+
+                $this->_token = self::DATUM;
+                $this->_offset = $start + strlen($datum);
+            }
+        } else {
+            throw new Zend_Json_Exception('Illegal Token');
+        }
+
+        return($this->_token);
+    }
+
+    /**
+     * Decode Unicode Characters from \u0000 ASCII syntax.
+     *
+     * This algorithm was originally developed for the
+     * Solar Framework by Paul M. Jones
+     *
+     * @link   http://solarphp.com/
+     * @link   http://svn.solarphp.com/core/trunk/Solar/Json.php
+     * @param  string $value
+     * @return string
+     */
+    public static function decodeUnicodeString($chrs)
+    {
+        $delim       = substr($chrs, 0, 1);
+        $utf8        = '';
+        $strlen_chrs = strlen($chrs);
+
+        for($i = 0; $i < $strlen_chrs; $i++) {
+
+            $substr_chrs_c_2 = substr($chrs, $i, 2);
+            $ord_chrs_c = ord($chrs[$i]);
+
+            switch (true) {
+                case preg_match('/\\\u[0-9A-F]{4}/i', substr($chrs, $i, 6)):
+                    // single, escaped unicode character
+                    $utf16 = chr(hexdec(substr($chrs, ($i + 2), 2)))
+                           . chr(hexdec(substr($chrs, ($i + 4), 2)));
+                    $utf8 .= self::_utf162utf8($utf16);
+                    $i += 5;
+                    break;
+                case ($ord_chrs_c >= 0x20) && ($ord_chrs_c <= 0x7F):
+                    $utf8 .= $chrs[$i];
+                    break;
+                case ($ord_chrs_c & 0xE0) == 0xC0:
+                    // characters U-00000080 - U-000007FF, mask 110XXXXX
+                    //see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
+                    $utf8 .= substr($chrs, $i, 2);
+                    ++$i;
+                    break;
+                case ($ord_chrs_c & 0xF0) == 0xE0:
+                    // characters U-00000800 - U-0000FFFF, mask 1110XXXX
+                    // see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
+                    $utf8 .= substr($chrs, $i, 3);
+                    $i += 2;
+                    break;
+                case ($ord_chrs_c & 0xF8) == 0xF0:
+                    // characters U-00010000 - U-001FFFFF, mask 11110XXX
+                    // see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
+                    $utf8 .= substr($chrs, $i, 4);
+                    $i += 3;
+                    break;
+                case ($ord_chrs_c & 0xFC) == 0xF8:
+                    // characters U-00200000 - U-03FFFFFF, mask 111110XX
+                    // see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
+                    $utf8 .= substr($chrs, $i, 5);
+                    $i += 4;
+                    break;
+                case ($ord_chrs_c & 0xFE) == 0xFC:
+                    // characters U-04000000 - U-7FFFFFFF, mask 1111110X
+                    // see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
+                    $utf8 .= substr($chrs, $i, 6);
+                    $i += 5;
+                    break;
+            }
+        }
+
+        return $utf8;
+    }
+
+    /**
+     * Convert a string from one UTF-16 char to one UTF-8 char.
+     *
+     * Normally should be handled by mb_convert_encoding, but
+     * provides a slower PHP-only method for installations
+     * that lack the multibye string extension.
+     *
+     * This method is from the Solar Framework by Paul M. Jones
+     *
+     * @link   http://solarphp.com
+     * @param  string $utf16 UTF-16 character
+     * @return string UTF-8 character
+     */
+    protected static function _utf162utf8($utf16)
+    {
+        // Check for mb extension otherwise do by hand.
+        if( function_exists('mb_convert_encoding') ) {
+            return mb_convert_encoding($utf16, 'UTF-8', 'UTF-16');
+        }
+
+        $bytes = (ord($utf16[0]) << 8) | ord($utf16[1]);
+
+        switch (true) {
+            case ((0x7F & $bytes) == $bytes):
+                // this case should never be reached, because we are in ASCII range
+                // see: http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
+                return chr(0x7F & $bytes);
+
+            case (0x07FF & $bytes) == $bytes:
+                // return a 2-byte UTF-8 character
+                // see: http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
+                return chr(0xC0 | (($bytes >> 6) & 0x1F))
+                     . chr(0x80 | ($bytes & 0x3F));
+
+            case (0xFFFF & $bytes) == $bytes:
+                // return a 3-byte UTF-8 character
+                // see: http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
+                return chr(0xE0 | (($bytes >> 12) & 0x0F))
+                     . chr(0x80 | (($bytes >> 6) & 0x3F))
+                     . chr(0x80 | ($bytes & 0x3F));
+        }
+
+        // ignoring UTF-32 for now, sorry
+        return '';
+    }
+}
+
diff --git a/library/vendor/Zend/Json/Encoder.php b/library/vendor/Zend/Json/Encoder.php
new file mode 100644
index 0000000..57acb35
--- /dev/null
+++ b/library/vendor/Zend/Json/Encoder.php
@@ -0,0 +1,576 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category   Zend
+ * @package    Zend_Json
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * Encode PHP constructs to JSON
+ *
+ * @category   Zend
+ * @package    Zend_Json
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Json_Encoder
+{
+    /**
+     * Whether or not to check for possible cycling
+     *
+     * @var boolean
+     */
+    protected $_cycleCheck;
+
+    /**
+     * Additional options used during encoding
+     *
+     * @var array
+     */
+    protected $_options = array();
+
+    /**
+     * Array of visited objects; used to prevent cycling.
+     *
+     * @var array
+     */
+    protected $_visited = array();
+
+    /**
+     * Constructor
+     *
+     * @param boolean $cycleCheck Whether or not to check for recursion when encoding
+     * @param array $options Additional options used during encoding
+     * @return void
+     */
+    protected function __construct($cycleCheck = false, $options = array())
+    {
+        $this->_cycleCheck = $cycleCheck;
+        $this->_options = $options;
+    }
+
+    /**
+     * Use the JSON encoding scheme for the value specified
+     *
+     * @param mixed $value The value to be encoded
+     * @param boolean $cycleCheck Whether or not to check for possible object recursion when encoding
+     * @param array $options Additional options used during encoding
+     * @return string  The encoded value
+     */
+    public static function encode($value, $cycleCheck = false, $options = array())
+    {
+        $encoder = new self(($cycleCheck) ? true : false, $options);
+        return $encoder->_encodeValue($value);
+    }
+
+    /**
+     * Recursive driver which determines the type of value to be encoded
+     * and then dispatches to the appropriate method. $values are either
+     *    - objects (returns from {@link _encodeObject()})
+     *    - arrays (returns from {@link _encodeArray()})
+     *    - basic datums (e.g. numbers or strings) (returns from {@link _encodeDatum()})
+     *
+     * @param mixed $value The value to be encoded
+     * @return string Encoded value
+     */
+    protected function _encodeValue(&$value)
+    {
+        if (is_object($value)) {
+            return $this->_encodeObject($value);
+        } else if (is_array($value)) {
+            return $this->_encodeArray($value);
+        }
+
+        return $this->_encodeDatum($value);
+    }
+
+
+
+    /**
+     * Encode an object to JSON by encoding each of the public properties
+     *
+     * A special property is added to the JSON object called '__className'
+     * that contains the name of the class of $value. This is used to decode
+     * the object on the client into a specific class.
+     *
+     * @param object $value
+     * @return string
+     * @throws Zend_Json_Exception If recursive checks are enabled and the object has been serialized previously
+     */
+    protected function _encodeObject(&$value)
+    {
+        if ($this->_cycleCheck) {
+            if ($this->_wasVisited($value)) {
+
+                if (isset($this->_options['silenceCyclicalExceptions'])
+                    && $this->_options['silenceCyclicalExceptions']===true) {
+
+                    return '"* RECURSION (' . get_class($value) . ') *"';
+
+                } else {
+                    throw new Zend_Json_Exception(
+                        'Cycles not supported in JSON encoding, cycle introduced by '
+                        . 'class "' . get_class($value) . '"'
+                    );
+                }
+            }
+
+            $this->_visited[] = $value;
+        }
+
+        $props = '';
+        if (method_exists($value, 'toJson')) {
+            $props =',' . preg_replace("/^\{(.*)\}$/","\\1",$value->toJson());
+        } else {
+            if ($value instanceof IteratorAggregate) {
+                $propCollection = $value->getIterator();
+            } elseif ($value instanceof Iterator) {
+                $propCollection = $value;
+            } else {
+                $propCollection = get_object_vars($value);
+            }
+
+            foreach ($propCollection as $name => $propValue) {
+                if (isset($propValue)) {
+                    $props .= ','
+                            . $this->_encodeString($name)
+                            . ':'
+                            . $this->_encodeValue($propValue);
+                }
+            }
+        }
+        $className = get_class($value);
+        return '{"__className":' . $this->_encodeString($className)
+                . $props . '}';
+    }
+
+
+    /**
+     * Determine if an object has been serialized already
+     *
+     * @param mixed $value
+     * @return boolean
+     */
+    protected function _wasVisited(&$value)
+    {
+        if (in_array($value, $this->_visited, true)) {
+            return true;
+        }
+
+        return false;
+    }
+
+
+    /**
+     * JSON encode an array value
+     *
+     * Recursively encodes each value of an array and returns a JSON encoded
+     * array string.
+     *
+     * Arrays are defined as integer-indexed arrays starting at index 0, where
+     * the last index is (count($array) -1); any deviation from that is
+     * considered an associative array, and will be encoded as such.
+     *
+     * @param array& $array
+     * @return string
+     */
+    protected function _encodeArray(&$array)
+    {
+        $tmpArray = array();
+
+        // Check for associative array
+        if (!empty($array) && (array_keys($array) !== range(0, count($array) - 1))) {
+            // Associative array
+            $result = '{';
+            foreach ($array as $key => $value) {
+                $key = (string) $key;
+                $tmpArray[] = $this->_encodeString($key)
+                            . ':'
+                            . $this->_encodeValue($value);
+            }
+            $result .= implode(',', $tmpArray);
+            $result .= '}';
+        } else {
+            // Indexed array
+            $result = '[';
+            $length = count($array);
+            for ($i = 0; $i < $length; $i++) {
+                $tmpArray[] = $this->_encodeValue($array[$i]);
+            }
+            $result .= implode(',', $tmpArray);
+            $result .= ']';
+        }
+
+        return $result;
+    }
+
+
+    /**
+     * JSON encode a basic data type (string, number, boolean, null)
+     *
+     * If value type is not a string, number, boolean, or null, the string
+     * 'null' is returned.
+     *
+     * @param mixed& $value
+     * @return string
+     */
+    protected function _encodeDatum(&$value)
+    {
+        $result = 'null';
+
+        if (is_int($value) || is_float($value)) {
+            $result = (string) $value;
+            $result = str_replace(",", ".", $result);
+        } elseif (is_string($value)) {
+            $result = $this->_encodeString($value);
+        } elseif (is_bool($value)) {
+            $result = $value ? 'true' : 'false';
+        }
+
+        return $result;
+    }
+
+
+    /**
+     * JSON encode a string value by escaping characters as necessary
+     *
+     * @param string& $value
+     * @return string
+     */
+    protected function _encodeString(&$string)
+    {
+        // Escape these characters with a backslash:
+        // " \ / \n \r \t \b \f
+        $search  = array('\\', "\n", "\t", "\r", "\b", "\f", '"', '/');
+        $replace = array('\\\\', '\\n', '\\t', '\\r', '\\b', '\\f', '\"', '\\/');
+        $string  = str_replace($search, $replace, $string);
+
+        // Escape certain ASCII characters:
+        // 0x08 => \b
+        // 0x0c => \f
+        $string = str_replace(array(chr(0x08), chr(0x0C)), array('\b', '\f'), $string);
+        $string = self::encodeUnicodeString($string);
+
+        return '"' . $string . '"';
+    }
+
+
+    /**
+     * Encode the constants associated with the ReflectionClass
+     * parameter. The encoding format is based on the class2 format
+     *
+     * @param ReflectionClass $cls
+     * @return string Encoded constant block in class2 format
+     */
+    private static function _encodeConstants(ReflectionClass $cls)
+    {
+        $result    = "constants : {";
+        $constants = $cls->getConstants();
+
+        $tmpArray = array();
+        if (!empty($constants)) {
+            foreach ($constants as $key => $value) {
+                $tmpArray[] = "$key: " . self::encode($value);
+            }
+
+            $result .= implode(', ', $tmpArray);
+        }
+
+        return $result . "}";
+    }
+
+
+    /**
+     * Encode the public methods of the ReflectionClass in the
+     * class2 format
+     *
+     * @param ReflectionClass $cls
+     * @return string Encoded method fragment
+     *
+     */
+    private static function _encodeMethods(ReflectionClass $cls)
+    {
+        $methods = $cls->getMethods();
+        $result = 'methods:{';
+
+        $started = false;
+        foreach ($methods as $method) {
+            if (! $method->isPublic() || !$method->isUserDefined()) {
+                continue;
+            }
+
+            if ($started) {
+                $result .= ',';
+            }
+            $started = true;
+
+            $result .= '' . $method->getName(). ':function(';
+
+            if ('__construct' != $method->getName()) {
+                $parameters  = $method->getParameters();
+                $paramCount  = count($parameters);
+                $argsStarted = false;
+
+                $argNames = "var argNames=[";
+                foreach ($parameters as $param) {
+                    if ($argsStarted) {
+                        $result .= ',';
+                    }
+
+                    $result .= $param->getName();
+
+                    if ($argsStarted) {
+                        $argNames .= ',';
+                    }
+
+                    $argNames .= '"' . $param->getName() . '"';
+
+                    $argsStarted = true;
+                }
+                $argNames .= "];";
+
+                $result .= "){"
+                         . $argNames
+                         . 'var result = ZAjaxEngine.invokeRemoteMethod('
+                         . "this, '" . $method->getName()
+                         . "',argNames,arguments);"
+                         . 'return(result);}';
+            } else {
+                $result .= "){}";
+            }
+        }
+
+        return $result . "}";
+    }
+
+
+    /**
+     * Encode the public properties of the ReflectionClass in the class2
+     * format.
+     *
+     * @param ReflectionClass $cls
+     * @return string Encode properties list
+     *
+     */
+    private static function _encodeVariables(ReflectionClass $cls)
+    {
+        $properties = $cls->getProperties();
+        $propValues = get_class_vars($cls->getName());
+        $result = "variables:{";
+        $cnt = 0;
+
+        $tmpArray = array();
+        foreach ($properties as $prop) {
+            if (! $prop->isPublic()) {
+                continue;
+            }
+
+            $tmpArray[] = $prop->getName()
+                        . ':'
+                        . self::encode($propValues[$prop->getName()]);
+        }
+        $result .= implode(',', $tmpArray);
+
+        return $result . "}";
+    }
+
+    /**
+     * Encodes the given $className into the class2 model of encoding PHP
+     * classes into JavaScript class2 classes.
+     * NOTE: Currently only public methods and variables are proxied onto
+     * the client machine
+     *
+     * @param string $className The name of the class, the class must be
+     *  instantiable using a null constructor
+     * @param string $package Optional package name appended to JavaScript
+     *  proxy class name
+     * @return string The class2 (JavaScript) encoding of the class
+     * @throws Zend_Json_Exception
+     */
+    public static function encodeClass($className, $package = '')
+    {
+        $cls = new ReflectionClass($className);
+        if (! $cls->isInstantiable()) {
+            throw new Zend_Json_Exception("$className must be instantiable");
+        }
+
+        return "Class.create('$package$className',{"
+                . self::_encodeConstants($cls)    .","
+                . self::_encodeMethods($cls)      .","
+                . self::_encodeVariables($cls)    .'});';
+    }
+
+
+    /**
+     * Encode several classes at once
+     *
+     * Returns JSON encoded classes, using {@link encodeClass()}.
+     *
+     * @param array $classNames
+     * @param string $package
+     * @return string
+     */
+    public static function encodeClasses(array $classNames, $package = '')
+    {
+        $result = '';
+        foreach ($classNames as $className) {
+            $result .= self::encodeClass($className, $package);
+        }
+
+        return $result;
+    }
+
+    /**
+     * Encode Unicode Characters to \u0000 ASCII syntax.
+     *
+     * This algorithm was originally developed for the
+     * Solar Framework by Paul M. Jones
+     *
+     * @link   http://solarphp.com/
+     * @link   http://svn.solarphp.com/core/trunk/Solar/Json.php
+     * @param  string $value
+     * @return string
+     */
+    public static function encodeUnicodeString($value)
+    {
+        $strlen_var = strlen($value);
+        $ascii = "";
+
+        /**
+         * Iterate over every character in the string,
+         * escaping with a slash or encoding to UTF-8 where necessary
+         */
+        for($i = 0; $i < $strlen_var; $i++) {
+            $ord_var_c = ord($value[$i]);
+
+            switch (true) {
+                case (($ord_var_c >= 0x20) && ($ord_var_c <= 0x7F)):
+                    // characters U-00000000 - U-0000007F (same as ASCII)
+                    $ascii .= $value[$i];
+                    break;
+
+                case (($ord_var_c & 0xE0) == 0xC0):
+                    // characters U-00000080 - U-000007FF, mask 110XXXXX
+                    // see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
+                    $char = pack('C*', $ord_var_c, ord($value[$i + 1]));
+                    $i += 1;
+                    $utf16 = self::_utf82utf16($char);
+                    $ascii .= sprintf('\u%04s', bin2hex($utf16));
+                    break;
+
+                case (($ord_var_c & 0xF0) == 0xE0):
+                    // characters U-00000800 - U-0000FFFF, mask 1110XXXX
+                    // see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
+                    $char = pack('C*', $ord_var_c,
+                                 ord($value[$i + 1]),
+                                 ord($value[$i + 2]));
+                    $i += 2;
+                    $utf16 = self::_utf82utf16($char);
+                    $ascii .= sprintf('\u%04s', bin2hex($utf16));
+                    break;
+
+                case (($ord_var_c & 0xF8) == 0xF0):
+                    // characters U-00010000 - U-001FFFFF, mask 11110XXX
+                    // see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
+                    $char = pack('C*', $ord_var_c,
+                                 ord($value[$i + 1]),
+                                 ord($value[$i + 2]),
+                                 ord($value[$i + 3]));
+                    $i += 3;
+                    $utf16 = self::_utf82utf16($char);
+                    $ascii .= sprintf('\u%04s', bin2hex($utf16));
+                    break;
+
+                case (($ord_var_c & 0xFC) == 0xF8):
+                    // characters U-00200000 - U-03FFFFFF, mask 111110XX
+                    // see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
+                    $char = pack('C*', $ord_var_c,
+                                 ord($value[$i + 1]),
+                                 ord($value[$i + 2]),
+                                 ord($value[$i + 3]),
+                                 ord($value[$i + 4]));
+                    $i += 4;
+                    $utf16 = self::_utf82utf16($char);
+                    $ascii .= sprintf('\u%04s', bin2hex($utf16));
+                    break;
+
+                case (($ord_var_c & 0xFE) == 0xFC):
+                    // characters U-04000000 - U-7FFFFFFF, mask 1111110X
+                    // see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
+                    $char = pack('C*', $ord_var_c,
+                                 ord($value[$i + 1]),
+                                 ord($value[$i + 2]),
+                                 ord($value[$i + 3]),
+                                 ord($value[$i + 4]),
+                                 ord($value[$i + 5]));
+                    $i += 5;
+                    $utf16 = self::_utf82utf16($char);
+                    $ascii .= sprintf('\u%04s', bin2hex($utf16));
+                    break;
+            }
+        }
+
+        return $ascii;
+     }
+
+    /**
+     * Convert a string from one UTF-8 char to one UTF-16 char.
+     *
+     * Normally should be handled by mb_convert_encoding, but
+     * provides a slower PHP-only method for installations
+     * that lack the multibye string extension.
+     *
+     * This method is from the Solar Framework by Paul M. Jones
+     *
+     * @link   http://solarphp.com
+     * @param string $utf8 UTF-8 character
+     * @return string UTF-16 character
+     */
+    protected static function _utf82utf16($utf8)
+    {
+        // Check for mb extension otherwise do by hand.
+        if( function_exists('mb_convert_encoding') ) {
+            return mb_convert_encoding($utf8, 'UTF-16', 'UTF-8');
+        }
+
+        switch (strlen($utf8)) {
+            case 1:
+                // this case should never be reached, because we are in ASCII range
+                // see: http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
+                return $utf8;
+
+            case 2:
+                // return a UTF-16 character from a 2-byte UTF-8 char
+                // see: http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
+                return chr(0x07 & (ord($utf8[0]) >> 2))
+                     . chr((0xC0 & (ord($utf8[0]) << 6))
+                         | (0x3F & ord($utf8[1])));
+
+            case 3:
+                // return a UTF-16 character from a 3-byte UTF-8 char
+                // see: http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
+                return chr((0xF0 & (ord($utf8[0]) << 4))
+                         | (0x0F & (ord($utf8[1]) >> 2)))
+                     . chr((0xC0 & (ord($utf8[1]) << 6))
+                         | (0x7F & ord($utf8[2])));
+        }
+
+        // ignoring UTF-32 for now, sorry
+        return '';
+    }
+}
+
diff --git a/library/vendor/Zend/Json/Exception.php b/library/vendor/Zend/Json/Exception.php
new file mode 100644
index 0000000..5b4a0db
--- /dev/null
+++ b/library/vendor/Zend/Json/Exception.php
@@ -0,0 +1,36 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category   Zend
+ * @package    Zend_Json
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+
+/**
+ * Zend_Exception
+ */
+
+
+/**
+ * @category   Zend
+ * @package    Zend_Json
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Json_Exception extends Zend_Exception
+{}
+
diff --git a/library/vendor/Zend/Json/Expr.php b/library/vendor/Zend/Json/Expr.php
new file mode 100644
index 0000000..1fd5f23
--- /dev/null
+++ b/library/vendor/Zend/Json/Expr.php
@@ -0,0 +1,80 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category   Zend
+ * @package    Zend_Json
+ * @subpackage Expr
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * Class for Zend_Json encode method.
+ *
+ * This class simply holds a string with a native Javascript Expression,
+ * so objects | arrays to be encoded with Zend_Json can contain native
+ * Javascript Expressions.
+ *
+ * Example:
+ * <code>
+ * $foo = array(
+ *     'integer'  =>9,
+ *     'string'   =>'test string',
+ *     'function' => Zend_Json_Expr(
+ *         'function(){ window.alert("javascript function encoded by Zend_Json") }'
+ *     ),
+ * );
+ *
+ * Zend_Json::encode($foo, false, array('enableJsonExprFinder' => true));
+ * // it will returns json encoded string:
+ * // {"integer":9,"string":"test string","function":function(){window.alert("javascript function encoded by Zend_Json")}}
+ * </code>
+ *
+ * @category   Zend
+ * @package    Zend_Json
+ * @subpackage Expr
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Json_Expr
+{
+    /**
+     * Storage for javascript expression.
+     *
+     * @var string
+     */
+    protected $_expression;
+
+    /**
+     * Constructor
+     *
+     * @param  string $expression the expression to hold.
+     * @return void
+     */
+    public function __construct($expression)
+    {
+        $this->_expression = (string) $expression;
+    }
+
+    /**
+     * Cast to string
+     *
+     * @return string holded javascript expression.
+     */
+    public function __toString()
+    {
+        return $this->_expression;
+    }
+}