diff options
Diffstat (limited to 'system/libraries/Parser.php')
-rw-r--r-- | system/libraries/Parser.php | 214 |
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 */ |