functions.parse.php

来自「php 开发的内容管理系统」· PHP 代码 · 共 162 行

<?php
/**
 * Article management
 *
 * @copyright	The XOOPS project http://www.xoops.org/
 * @license		http://www.fsf.org/copyleft/gpl.html GNU public license
 * @author		Taiwen Jiang (phppp or D.J.) <[e-mail]>
 * @since		1.00
 * @version		$Id$
 * @package		module::article
 */

if (!defined('XOOPS_ROOT_PATH')){ exit(); }

include dirname(__FILE__)."/vars.php";
define($GLOBALS["artdirname"]."_FUNCTIONS_PARSE_LOADED", TRUE);

IF(!defined("ART_FUNCTIONS_PARSE")):
define("ART_FUNCTIONS_PARSE", 1);

/**
 * Function to parse arguments for a page according to $_SERVER['REQUEST_URI']
 * 
 * @var array $args_numeric	array of numeric variable values
 * @var array $args			array of indexed variables: name and value
 * @var array $args_string	array of string variable values
 *
 * @return bool	true on args parsed
 */

/* known issues:
 * - "/" in a string 
 * - "&" in a string 
*/
function art_parse_args(&$args_numeric, &$args, &$args_string)
{
	$args_abb = array(
						"a"	=> "article", 
						"c"	=> "category", 
						"k"	=> "keyword", 
						"p"	=> "page", 
						"s"	=> "start", 
						"t"	=> "topic", 
						"u"	=> "uid"
						);
	$args = array();
	$args_numeric = array();
	$args_string = array();
	if(preg_match("/[^\?]*\.php[\/|\?]([^\?]*)/i", $_SERVER['REQUEST_URI'], $matches)){
		$vars = preg_split("/[\/|&]/", $matches[1]);
		$vars = array_map("trim", $vars);
		if(count($vars)>0) {
			foreach($vars as $var){
				if(is_numeric($var)){
					$args_numeric[] = $var;
				}elseif(false === strpos($var, "=")){
					if(is_numeric(substr($var, 1))){
						$args[$args_abb[strtolower($var{0})]] = intval(substr($var, 1));
					}else{
						$args_string[] = urldecode($var);
					}
				}else{
					parse_str($var, $args);
				}
			}
		}
	}
	return (count($args) + count($args_numeric) + count($args_string) == 0) ? null : true;
}

/**
 * Function to parse class prefix
 * 
 * @var string 	$class_string	string to be parsed
 * @var mixed 	$pattern
 * @var mixed 	$replacement
 *
 * @return bool	true on success
 */
function art_parse_class($class_string, $pattern = "", $replacement = "")
{
	if(empty($class_string)) return;
	$patterns = array("/\[CLASS_PREFIX\]/");
	$replacements = array(ucfirst(strtolower($GLOBALS["artdirname"])));
	if(!empty($pattern) && !is_array($pattern) && !is_array($replacement)){
		$pattern = array($pattern);
		$replacement = array($replacement);
	}
	if(is_array($pattern) && count($pattern)>0){
		$ii = 0;
		foreach($pattern as $pat){
			if(!in_array($pat, $patterns)){
				$patterns[] = $pat;
				$replacements[] = isset($replacement[$ii])?$replacement[$ii]:"";
			}
			$ii++;
		}
	}
	$class_string = preg_replace($patterns, $replacements, $class_string);
	eval($class_string);
	return true;
}

/**
 * Function to parse function prefix
 * 
 * @var string 	$function_string	string to be parsed
 * @var mixed 	$pattern
 * @var mixed 	$replacement
 *
 * @return bool	true on success
 */
function art_parse_function($function_string, $pattern = "", $replacement = "")
{
	if(empty($function_string)) return;
	$patterns = array("/\[DIRNAME\]/", "/\[VAR_PREFIX\]/");
	$replacements = array($GLOBALS["artdirname"], $GLOBALS["ART_VAR_PREFIX"]);
	if(!empty($pattern) && !is_array($pattern) && !is_array($replacement)){
		$pattern = array($pattern);
		$replacement = array($replacement);
	}
	if(is_array($pattern) && count($pattern)>0){
		$ii = 0;
		foreach($pattern as $pat){
			if(!in_array($pat, $patterns)){
				$patterns[] = $pat;
				$replacements[] = isset($replacement[$ii])?$replacement[$ii]:"";
			}
			$ii++;
		}
	}
	$function_string = preg_replace($patterns, $replacements, $function_string);
	eval($function_string);
	return true;
}

/**
 * Function to parse links, links are delimited by link break, URL and title of a link are delimited by space
 * 
 * @var string 	$text raw content
 *
 * @return array	associative array of link url and title
 */
function &art_parseLinks($text)
{
	$myts =& MyTextSanitizer::getInstance();
	$link_array = preg_split("/(\r\n|\r|\n)( *)/", $text);
    $links = array();
    if(count($link_array)>0) foreach($link_array as $link){
	    @list($url, $title) = array_map("trim",preg_split("/ /", $link, 2));
	    if(empty($url)) continue;
	    if(empty($title)) $title = $url;
	    $links[] = array(
	    	"url"	=> $url, 
	    	"title"	=> $myts->htmlSpecialChars($title)
	    	);
    }
    return $links;
}

ENDIF;
?>