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74 lines
1.9 KiB
PHP
74 lines
1.9 KiB
PHP
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<?php
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/*
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* This file is part of Web Instant Messenger project.
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*
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* Copyright (c) 2005-2008 Web Messenger Community
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* which accompanies this distribution, and is available at
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* http://www.eclipse.org/legal/epl-v10.html
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*
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* Contributors:
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* Evgeny Gryaznov - initial API and implementation
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*/
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function check_condition($condition) {
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global $errors, $page;
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if($condition == 'errors') {
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return isset($errors) && count($errors) > 0;
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}
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return isset($page[$condition]) && $page[$condition];
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}
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function expand_condition($matches) {
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global $page;
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$value = check_condition($matches[2]) ^ ($matches[1] != 'if');
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if($value) {
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return $matches[3];
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} else if($matches[4]) {
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return substr($matches[4],strpos($matches[4],"}")+1);
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}
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return "";
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}
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function expand_var($matches) {
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global $page, $webimroot, $errors;
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$prefix = $matches[1];
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$var = $matches[2];
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if(!$prefix) {
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if($var == 'webimroot') {
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return $webimroot;
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} else if($var == 'errors') {
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if( isset($errors) && count($errors) > 0 ) {
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$result = getlocal("errors.header");
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foreach( $errors as $e ) {
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$result .= getlocal("errors.prefix").$e.getlocal("errors.suffix");
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}
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$result .= getlocal("errors.footer");
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return $result;
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}
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}
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} else if($prefix == 'msg:') {
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return getlocal($var);
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} else if($prefix == 'form:') {
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return $page["form$var"];
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} else if($prefix == 'page:') {
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return $page["$var"];
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}
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return "";
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}
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function expandtext($text) {
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$text = preg_replace_callback("/\\\${(if|ifnot):([\w\.]+)}(.*?)(\\\${else:\\2}.*?)?\\\${endif:\\2}/sm", "expand_condition", $text);
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return preg_replace_callback("/\\\${(\w+:)?([\w\.]+)}/", "expand_var", $text);
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}
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function expand($filename) {
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start_html_output();
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$contents = file_get_contents($filename) or die("illegal template");
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echo expandtext($contents);
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}
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?>
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