functions.php | searchcode

/modules/xlanguage/include/functions.php

https://gitlab.com/BaseX/BaseX
PHP | 276 lines | 218 code | 12 blank | 46 comment | 24 complexity | b7d73c90131d4a6497533faf075681e1 MD5 | raw file

<?php

// $Id: functions.php,v 1.5 2004/12/12 04:50:37 phppp Exp $

//  ------------------------------------------------------------------------ //

//         Xlanguage: eXtensible Language Management For Xoops               //

//             Copyright (c) 2004 Xoops China Community                      //

//                    <http://www.xoops.org.cn/>                             //

//  ------------------------------------------------------------------------ //

//  This program is free software; you can redistribute it and/or modify     //

//  it under the terms of the GNU General Public License as published by     //

//  the Free Software Foundation; either version 2 of the License, or        //

//  (at your option) any later version.                                      //

//                                                                           //

//  You may not change or alter any portion of this comment or credits       //

//  of supporting developers from this source code or any supporting         //

//  source code which is considered copyrighted (c) material of the          //

//  original comment or credit authors.                                      //

//                                                                           //

//  This program is distributed in the hope that it will be useful,          //

//  but WITHOUT ANY WARRANTY; without even the implied warranty of           //

//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the            //

//  GNU General Public License for more details.                             //

//                                                                           //

//  You should have received a copy of the GNU General Public License        //

//  along with this program; if not, write to the Free Software              //

//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA //

//  ------------------------------------------------------------------------ //

// Author: D.J.(phppp) php_pp@hotmail.com                                    //

// URL: http://www.xoops.org.cn                                              //

// ------------------------------------------------------------------------- //



function xlanguage_convert_encoding($value, $out_charset, $in_charset)

{

	if (is_array($value)) {

		foreach($value as $key => $val){

		 	$value[$key] = xlanguage_convert_encoding($val, $out_charset, $in_charset);

	 	}

	}

	else {

		$value = xlanguage_convert_item($value, $out_charset, $in_charset);

	}

	return $value;

}



function xlanguage_convert_item($value, $out_charset, $in_charset)

{

	if(strtolower($in_charset) == strtolower($out_charset)) {

		return $value;

	}

	$xconv_handler = @xoops_getmodulehandler('xconv', 'xconv', true);

	if(is_object($xconv_handler) &&

		$converted_value = @$xconv_handler->convert_encoding($value, $out_charset, $in_charset)

	){

		return $converted_value;

	}

	if(XOOPS_USE_MULTIBYTES && function_exists('mb_convert_encoding')) {

		$converted_value = @mb_convert_encoding($value, $out_charset, $in_charset);

	}elseif(function_exists('iconv')) {

		$converted_value = @iconv($in_charset, $out_charset, $value);

	}

	$value = empty($converted_value) ? $value : $converted_value;



	return $value;

}



function xlanguage_createConfig()

{

	$xlang_handler=& xoops_getmodulehandler('language', 'xlanguage');

	return $xlang_handler->createConfig();

}



function &xlanguage_loadConfig()

{

	$xlang_handler=& xoops_getmodulehandler('language', 'xlanguage');

	$config =& $xlang_handler->loadFileConfig();

	return $config;

}



/**

 * Analyzes some PHP environment variables to find the most probable language

 * that should be used

 *

 * @param string $ string to analyze

 * @param integer $ type of the PHP environment variable which value is $str

 * @global array    the list of available translations

 * @global string   the retained translation keyword

 * @access private

 */

function xlanguage_lang_detect($str = '', $envType = '')

{

    global $available_languages;



    foreach ($available_languages AS $key => $value) {

        // $envType =  1 for the 'HTTP_ACCEPT_LANGUAGE' environment variable,

        //             2 for the 'HTTP_USER_AGENT' one

        $expr = $value[0];

        if (strpos($expr, '[-_]') === FALSE) {

            $expr = str_replace('|', '([-_][[:alpha:]]{2,3})?|', $expr);

        }

        if (($envType == 1 && eregi('^(' . $expr . ')(;q=[0-9]\\.[0-9])?$', $str))

            || ($envType == 2 && eregi('(\(|\[|;[[:space:]])(' . $expr . ')(;|\]|\))', $str))) {

            $lang     = $key;

            //if($lang != 'en')

            break;

        }

    }

    return $lang;

}



function xlanguage_detectLang()

{

	global $available_languages,$_SERVER;



	if (!empty($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {

	    $HTTP_ACCEPT_LANGUAGE = $_SERVER['HTTP_ACCEPT_LANGUAGE'];

	}



	if (!empty($_SERVER['HTTP_USER_AGENT'])) {

	    $HTTP_USER_AGENT = $_SERVER['HTTP_USER_AGENT'];

	}



	$lang = '';

	$xoops_lang ='';

	// 1. try to findout user's language by checking its HTTP_ACCEPT_LANGUAGE

	// variable

	if (empty($lang) && !empty($HTTP_ACCEPT_LANGUAGE)) {

	    $accepted = explode(',', $HTTP_ACCEPT_LANGUAGE);

	    $acceptedCnt = count($accepted);

	    reset($accepted);

	    for ($i = 0; $i < $acceptedCnt; $i++) {

	        $lang = xlanguage_lang_detect($accepted[$i], 1);

            if(strncasecmp($lang,'en',2)){

	            break;

            }

	    }

	}

	// 2. try to findout user's language by checking its HTTP_USER_AGENT variable

	if (empty($lang) && !empty($HTTP_USER_AGENT)) {

	    $lang = xlanguage_lang_detect($HTTP_USER_AGENT, 2);

	}

	// 3. If we catch a valid language, configure it

	if (!empty($lang)) {

	    $xoops_lang = $available_languages[$lang][1];

	}

	return $xoops_lang;

}



function xlanguage_encoding($output){

	global $xlanguage;

	$output = xlanguage_ml($output);

	// escape XML doc

	if(preg_match("/^\<\?[\s]?xml[\s]+version=([\"'])[^\>]+\\1[\s]+encoding=([\"'])[^\>]+\\2[\s]?\?\>/i", $output)){

		return $output;

	}

    $in_charset = $xlanguage["charset_base"];

    $out_charset = $xlanguage["charset"];

    

	return $output = xlanguage_convert_encoding($output, $out_charset, $in_charset);

}



function xlanguage_ml($s)

{

	global $xoopsConfig;

	global $xlanguage_langs;

	

	if(!isset($xlanguage_langs)){

		$langs =& $GLOBALS["xlanguage_handler"]->getAll(true);

		foreach( array_keys($langs) as $_lang ) {

			$xlanguage_langs[$_lang] = $langs[$_lang]->getVar("lang_code");

		}

		unset($langs);

	}

	if(empty($xlanguage_langs) || count($xlanguage_langs) ==0) return $s;

	

	// escape brackets inside of <code>...</code>

	$patterns[] = '/(\<code>.*\<\/code>)/isU';

	

	// escape brackets inside of <input type="..." value="...">

	$patterns[] = '/(\<input\b(?![^\>]*\btype=([\'"]?)(submit|image|reset|button))[^\>]*\>)/isU';

		

	// escape brackets inside of <textarea></textarea>

	$patterns[] = '/(\<textarea\b[^>]*>[^\<]*\<\/textarea>)/isU';

	

	$s = preg_replace_callback( $patterns , 'xlanguage_ml_escape_bracket' , $s ) ;

		

		

	// create the pattern between language tags

	$pqhtmltags = explode( ',' , preg_quote( XLANGUAGE_TAGS_RESERVED , '/' ) ) ;

	$mid_pattern = '(?:(?!(' . implode( '|' , $pqhtmltags ) . ')).)*' ;

	

	$patterns = array();

	$replaces = array();

	/* */

	if(isset($xlanguage_langs[$xoopsConfig['language']])) {

		$lang = $xlanguage_langs[$xoopsConfig['language']];

		$patterns[] = '/(\[([^\]]*\|)?'.preg_quote($lang).'(\|[^\]]*)?\])('.$mid_pattern.')(\[\/([^\]]*\|)?'.preg_quote($lang).'(\|[^\]]*)?\])/isU';

		$replaces[] = '$4';

	}

	/* */

	foreach( array_keys($xlanguage_langs) as $_lang ) {

		if($_lang == @$xoopsConfig['language']) continue;

		$name = $xlanguage_langs[$_lang];

		$patterns[] = '/(\[([^\]]*\|)?'.preg_quote($name).'(\|[^\]]*)?\])('.$mid_pattern.')(\[\/([^\]]*\|)?'.preg_quote($name).'(\|[^\]]*)?(\]\<br[\s]?[\/]?\>|\]))/isU';

		$replaces[] = '';

	}

	if(!empty($xoopsConfig['language'])){

		$s = preg_replace( '/\[[\/]?[\|]?'.preg_quote($xoopsConfig['language']).'[\|]?\](\<br \/\>)?/i' , '' , $s ) ;

	}

	if(count($replaces)>0){

		$s = preg_replace( $patterns , $replaces , $s ) ;

	}



	return $s ;

}



function xlanguage_ml_escape_bracket( $matches )

{

	global $xlanguage_langs;

	$ret = $matches[1];

	if(!empty($xlanguage_langs)) {

		$pattern = '/(\[([\/])?('.implode("|",array_map("preg_quote", array_values($xlanguage_langs))).')([\|\]]))/isU';

		$ret = preg_replace($pattern, "&#91;\\2\\3\\4", $ret);

	}

	return $ret;

}





function xlanguage_select_show($options = null)

{

	include_once XOOPS_ROOT_PATH."/modules/xlanguage/blocks/xlanguage_blocks.php";

	if(empty($options)){

		$options[0] = "images";		// display style: image, text, select

		$options[1] = " ";			// delimitor

		$options[2] = 5; 			// items per line

	}

	

	$block = b_xlanguage_select_show($options);

	$block["tag"] = "xlanguage";

	

	$content = "";

	$i = 1;

	if(in_array($block["display"], array("images", "text"))){

		foreach($block["languages"] as $name => $lang){

			$content .= "<a href=\"".$block["url"].$lang["name"]."\" title=\"".$lang["desc"]."\">";

			if($block["display"] == "images"){

				$content .= "<img src=\"".$lang["image"]."\" alt=\"".$lang["desc"]."\"";

				if($block["selected"] != $lang["name"]){

					$content .= " style=\"MozOpacity: .8; opacity: .8; filter:Alpha(opacity=80);\"";

				}

				$content .= "/>";

			}else{

				$content .= $lang["desc"];

			}

			$content .= "</a>";

			if( ( $i++ % $block["number"] ) == 0){

				$content .= "<br />";

			}

		}

	}else{

		$content .= "<select name=\"".$block["tag"]."\"

				onChange=\"if(this.options[this.selectedIndex].value.length >0 )	{ window.document.location=this.options[this.selectedIndex].value;}\"

				>";

		foreach($block["languages"] as $name => $lang){

			$content .= "<option value=\"".$block["url"].$lang["name"]."\"";

			if($block["selected"] == $lang["name"]){

				$content .= " selected ";

			}

			$content .= "/>".$lang["desc"]."</option>";

		}

		$content .= "</select>";

	}



	define("XLANGUAGE_SWITCH_CODE", $content);

	return true;

}



?>