| 1 | <?php |
| 2 | /*************************************************************************** |
| 3 | * Copyright (C) 2003-2004 Polytechnique.org * |
| 4 | * http://opensource.polytechnique.org/ * |
| 5 | * * |
| 6 | * This program is free software; you can redistribute it and/or modify * |
| 7 | * it under the terms of the GNU General Public License as published by * |
| 8 | * the Free Software Foundation; either version 2 of the License, or * |
| 9 | * (at your option) any later version. * |
| 10 | * * |
| 11 | * This program is distributed in the hope that it will be useful, * |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
| 14 | * GNU General Public License for more details. * |
| 15 | * * |
| 16 | * You should have received a copy of the GNU General Public License * |
| 17 | * along with this program; if not, write to the Free Software * |
| 18 | * Foundation, Inc., * |
| 19 | * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * |
| 20 | ***************************************************************************/ |
| 21 | |
| 22 | // {{{ function escape_html () |
| 23 | |
| 24 | /** |
| 25 | * default smarty plugin, used to auto-escape dangerous html. |
| 26 | * |
| 27 | * < --> < |
| 28 | * > --> > |
| 29 | * " --> " |
| 30 | * & not followed by some entity --> & |
| 31 | */ |
| 32 | function escape_html($string) |
| 33 | { |
| 34 | if(is_string($string)) { |
| 35 | $transtbl = Array('<' => '<', '>' => '>', '"' => '"', '\'' => '''); |
| 36 | return preg_replace("/&(?![A-Za-z]{0,4}\w{2,3};|#[0-9]{2,4};)/", "&" , strtr($string, $transtbl)); |
| 37 | } else { |
| 38 | return $string; |
| 39 | } |
| 40 | } |
| 41 | |
| 42 | // }}} |
| 43 | // {{{ function at_to_globals() |
| 44 | |
| 45 | /** |
| 46 | * helper |
| 47 | */ |
| 48 | |
| 49 | function _to_globals($s) { |
| 50 | global $globals; |
| 51 | $t = explode('.',$s); |
| 52 | if (count($t) == 1) { |
| 53 | return var_export($globals->$t[0],true); |
| 54 | } else { |
| 55 | return var_export($globals->$t[0]->$t[1],true); |
| 56 | } |
| 57 | } |
| 58 | |
| 59 | /** |
| 60 | * compilation plugin used to import $globals confing through #globals.foo.bar# directives |
| 61 | */ |
| 62 | |
| 63 | function at_to_globals($tpl_source, &$smarty) |
| 64 | { |
| 65 | return preg_replace('/#globals\.([a-zA-Z0-9_.]+?)#/e', '_to_globals(\'\\1\')', $tpl_source); |
| 66 | } |
| 67 | |
| 68 | // }}} |
| 69 | // {{{ function trimwhitespace |
| 70 | |
| 71 | function trimwhitespace($source, &$smarty) |
| 72 | { |
| 73 | $tags = array('script', 'pre', 'textarea'); |
| 74 | |
| 75 | foreach ($tags as $tag) { |
| 76 | preg_match_all("!<{$tag}[^>]+>.*?</{$tag}>!is", $source, ${$tag}); |
| 77 | $source = preg_replace("!<{$tag}[^>]+>.*?</{$tag}>!is", "&&&{$tag}&&&", $source); |
| 78 | } |
| 79 | |
| 80 | // remove all leading spaces, tabs and carriage returns NOT |
| 81 | // preceeded by a php close tag. |
| 82 | $source = preg_replace('/((?<!\?>)\n)[\s]+/m', '\1', $source); |
| 83 | |
| 84 | foreach ($tags as $tag) { |
| 85 | $source = preg_replace("!&&&{$tag}&&&!e", 'array_shift(${$tag}[0])', $source); |
| 86 | } |
| 87 | |
| 88 | return $source; |
| 89 | } |
| 90 | |
| 91 | // }}} |
| 92 | // vim:set et sw=4 sts=4 sws=4 foldmethod=marker: |
| 93 | ?> |