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-rw-r--r--system/libraries/Parser.php214
1 files changed, 125 insertions, 89 deletions
diff --git a/system/libraries/Parser.php b/system/libraries/Parser.php
index 4d31f81c7..fdd958b22 100644
--- a/system/libraries/Parser.php
+++ b/system/libraries/Parser.php
@@ -1,19 +1,41 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP
*
- * @package CodeIgniter
- * @author ExpressionEngine Dev Team
- * @copyright Copyright (c) 2008 - 2014, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
- * @link http://codeigniter.com
- * @since Version 1.0
+ * This content is released under the MIT License (MIT)
+ *
+ * Copyright (c) 2014 - 2017, British Columbia Institute of Technology
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @package CodeIgniter
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
+ * @copyright Copyright (c) 2014 - 2017, British Columbia Institute of Technology (http://bcit.ca/)
+ * @license http://opensource.org/licenses/MIT MIT License
+ * @link https://codeigniter.com
+ * @since Version 1.0.0
* @filesource
*/
-
-// ------------------------------------------------------------------------
+defined('BASEPATH') OR exit('No direct script access allowed');
/**
* Parser Class
@@ -21,22 +43,53 @@
* @package CodeIgniter
* @subpackage Libraries
* @category Parser
- * @author ExpressionEngine Dev Team
- * @link http://codeigniter.com/user_guide/libraries/parser.html
+ * @author EllisLab Dev Team
+ * @link https://codeigniter.com/user_guide/libraries/parser.html
*/
class CI_Parser {
- var $l_delim = '{';
- var $r_delim = '}';
- var $object;
+ /**
+ * Left delimiter character for pseudo vars
+ *
+ * @var string
+ */
+ public $l_delim = '{';
+
+ /**
+ * Right delimiter character for pseudo vars
+ *
+ * @var string
+ */
+ public $r_delim = '}';
+
+ /**
+ * Reference to CodeIgniter instance
+ *
+ * @var object
+ */
+ protected $CI;
+
+ // --------------------------------------------------------------------
/**
- * Parse a template
+ * Class constructor
+ *
+ * @return void
+ */
+ public function __construct()
+ {
+ $this->CI =& get_instance();
+ log_message('info', 'Parser Class Initialized');
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Parse a template
*
* Parses pseudo-variables contained in the specified template view,
* replacing them with the data in the second param
*
- * @access public
* @param string
* @param array
* @param bool
@@ -44,8 +97,7 @@ class CI_Parser {
*/
public function parse($template, $data, $return = FALSE)
{
- $CI =& get_instance();
- $template = $CI->load->view($template, $data, TRUE);
+ $template = $this->CI->load->view($template, $data, TRUE);
return $this->_parse($template, $data, $return);
}
@@ -53,18 +105,17 @@ class CI_Parser {
// --------------------------------------------------------------------
/**
- * Parse a String
+ * Parse a String
*
* Parses pseudo-variables contained in the specified string,
* replacing them with the data in the second param
*
- * @access public
* @param string
* @param array
* @param bool
* @return string
*/
- function parse_string($template, $data, $return = FALSE)
+ public function parse_string($template, $data, $return = FALSE)
{
return $this->_parse($template, $data, $return);
}
@@ -72,40 +123,40 @@ class CI_Parser {
// --------------------------------------------------------------------
/**
- * Parse a template
+ * Parse a template
*
* Parses pseudo-variables contained in the specified template,
* replacing them with the data in the second param
*
- * @access public
* @param string
* @param array
* @param bool
* @return string
*/
- function _parse($template, $data, $return = FALSE)
+ protected function _parse($template, $data, $return = FALSE)
{
- if ($template == '')
+ if ($template === '')
{
return FALSE;
}
+ $replace = array();
foreach ($data as $key => $val)
{
- if (is_array($val))
- {
- $template = $this->_parse_pair($key, $val, $template);
- }
- else
- {
- $template = $this->_parse_single($key, (string)$val, $template);
- }
+ $replace = array_merge(
+ $replace,
+ is_array($val)
+ ? $this->_parse_pair($key, $val, $template)
+ : $this->_parse_single($key, (string) $val, $template)
+ );
}
- if ($return == FALSE)
+ unset($data);
+ $template = strtr($template, $replace);
+
+ if ($return === FALSE)
{
- $CI =& get_instance();
- $CI->output->append_output($template);
+ $this->CI->output->append_output($template);
}
return $template;
@@ -114,14 +165,13 @@ class CI_Parser {
// --------------------------------------------------------------------
/**
- * Set the left/right variable delimiters
+ * Set the left/right variable delimiters
*
- * @access public
* @param string
* @param string
* @return void
*/
- function set_delimiters($l = '{', $r = '}')
+ public function set_delimiters($l = '{', $r = '}')
{
$this->l_delim = $l;
$this->r_delim = $r;
@@ -130,83 +180,69 @@ class CI_Parser {
// --------------------------------------------------------------------
/**
- * Parse a single key/value
+ * Parse a single key/value
*
- * @access private
* @param string
* @param string
* @param string
* @return string
*/
- function _parse_single($key, $val, $string)
+ protected function _parse_single($key, $val, $string)
{
- return str_replace($this->l_delim.$key.$this->r_delim, $val, $string);
+ return array($this->l_delim.$key.$this->r_delim => (string) $val);
}
// --------------------------------------------------------------------
/**
- * Parse a tag pair
+ * Parse a tag pair
*
- * Parses tag pairs: {some_tag} string... {/some_tag}
+ * Parses tag pairs: {some_tag} string... {/some_tag}
*
- * @access private
* @param string
* @param array
* @param string
* @return string
*/
- function _parse_pair($variable, $data, $string)
+ protected function _parse_pair($variable, $data, $string)
{
- if (FALSE === ($match = $this->_match_pair($string, $variable)))
- {
- return $string;
- }
-
- $str = '';
- foreach ($data as $row)
+ $replace = array();
+ preg_match_all(
+ '#'.preg_quote($this->l_delim.$variable.$this->r_delim).'(.+?)'.preg_quote($this->l_delim.'/'.$variable.$this->r_delim).'#s',
+ $string,
+ $matches,
+ PREG_SET_ORDER
+ );
+
+ foreach ($matches as $match)
{
- $temp = $match['1'];
- foreach ($row as $key => $val)
+ $str = '';
+ foreach ($data as $row)
{
- if ( ! is_array($val))
- {
- $temp = $this->_parse_single($key, $val, $temp);
- }
- else
+ $temp = array();
+ foreach ($row as $key => $val)
{
- $temp = $this->_parse_pair($key, $val, $temp);
+ if (is_array($val))
+ {
+ $pair = $this->_parse_pair($key, $val, $match[1]);
+ if ( ! empty($pair))
+ {
+ $temp = array_merge($temp, $pair);
+ }
+
+ continue;
+ }
+
+ $temp[$this->l_delim.$key.$this->r_delim] = $val;
}
- }
-
- $str .= $temp;
- }
- return str_replace($match['0'], $str, $string);
- }
-
- // --------------------------------------------------------------------
+ $str .= strtr($match[1], $temp);
+ }
- /**
- * Matches a variable pair
- *
- * @access private
- * @param string
- * @param string
- * @return mixed
- */
- function _match_pair($string, $variable)
- {
- if ( ! preg_match("|" . preg_quote($this->l_delim) . $variable . preg_quote($this->r_delim) . "(.+?)". preg_quote($this->l_delim) . '/' . $variable . preg_quote($this->r_delim) . "|s", $string, $match))
- {
- return FALSE;
+ $replace[$match[0]] = $str;
}
- return $match;
+ return $replace;
}
}
-// END Parser Class
-
-/* End of file Parser.php */
-/* Location: ./system/libraries/Parser.php */