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| Редакция | Автор | № строки | Строка |
|---|---|---|---|
| 304 | alex-w | 1 | <?php |
| 2 | /** |
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| 3 | * Smarty plugin |
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| 4 | * @package Smarty |
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| 5 | * @subpackage PluginsFilter |
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| 6 | */ |
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| 7 | |||
| 8 | /** |
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| 9 | * Smarty trimwhitespace outputfilter plugin |
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| 10 | * |
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| 11 | * File: outputfilter.trimwhitespace.php<br> |
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| 12 | * Type: outputfilter<br> |
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| 13 | * Name: trimwhitespace<br> |
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| 14 | * Date: Jan 25, 2003<br> |
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| 15 | * Purpose: trim leading white space and blank lines from |
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| 16 | * template source after it gets interpreted, cleaning |
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| 17 | * up code and saving bandwidth. Does not affect |
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| 18 | * <<PRE>></PRE> and <SCRIPT></SCRIPT> blocks.<br> |
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| 19 | * Install: Drop into the plugin directory, call |
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| 20 | * <code>$smarty->load_filter('output','trimwhitespace');</code> |
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| 21 | * from application. |
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| 22 | * @author Monte Ohrt <monte at ohrt dot com> |
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| 23 | * @author Contributions from Lars Noschinski <lars@usenet.noschinski.de> |
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| 24 | * @version 1.3 |
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| 25 | * @param string $source input string |
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| 26 | * @param object &$smarty Smarty object |
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| 27 | * @return string filtered output |
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| 28 | */ |
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| 29 | function smarty_outputfilter_trimwhitespace($source, &$smarty) |
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| 30 | { |
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| 31 | // Pull out the script blocks |
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| 32 | preg_match_all("!<script[^>]*?>.*?</script>!is", $source, $match); |
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| 33 | $_script_blocks = $match[0]; |
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| 34 | $source = preg_replace("!<script[^>]*?>.*?</script>!is", |
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| 35 | '@@@SMARTY:TRIM:SCRIPT@@@', $source); |
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| 36 | |||
| 37 | // Pull out the pre blocks |
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| 38 | preg_match_all("!<pre[^>]*?>.*?</pre>!is", $source, $match); |
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| 39 | $_pre_blocks = $match[0]; |
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| 40 | $source = preg_replace("!<pre[^>]*?>.*?</pre>!is", |
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| 41 | '@@@SMARTY:TRIM:PRE@@@', $source); |
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| 42 | |||
| 43 | // Pull out the textarea blocks |
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| 44 | preg_match_all("!<textarea[^>]*?>.*?</textarea>!is", $source, $match); |
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| 45 | $_textarea_blocks = $match[0]; |
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| 46 | $source = preg_replace("!<textarea[^>]*?>.*?</textarea>!is", |
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| 47 | '@@@SMARTY:TRIM:TEXTAREA@@@', $source); |
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| 48 | |||
| 49 | // remove all leading spaces, tabs and carriage returns NOT |
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| 50 | // preceeded by a php close tag. |
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| 51 | $source = trim(preg_replace('/((?<!\?>)\n)[\s]+/m', '\1', $source)); |
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| 52 | |||
| 53 | // replace textarea blocks |
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| 54 | smarty_outputfilter_trimwhitespace_replace("@@@SMARTY:TRIM:TEXTAREA@@@",$_textarea_blocks, $source); |
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| 55 | |||
| 56 | // replace pre blocks |
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| 57 | smarty_outputfilter_trimwhitespace_replace("@@@SMARTY:TRIM:PRE@@@",$_pre_blocks, $source); |
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| 58 | |||
| 59 | // replace script blocks |
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| 60 | smarty_outputfilter_trimwhitespace_replace("@@@SMARTY:TRIM:SCRIPT@@@",$_script_blocks, $source); |
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| 61 | |||
| 62 | return $source; |
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| 63 | } |
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| 64 | |||
| 65 | function smarty_outputfilter_trimwhitespace_replace($search_str, $replace, &$subject) { |
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| 66 | $_len = strlen($search_str); |
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| 67 | $_pos = 0; |
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| 68 | for ($_i=0, $_count=count($replace); $_i<$_count; $_i++) |
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| 69 | if (($_pos=strpos($subject, $search_str, $_pos))!==false) |
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| 70 | $subject = substr_replace($subject, $replace[$_i], $_pos, $_len); |
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| 71 | else |
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| 72 | break; |
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| 73 | |||
| 74 | } |
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| 75 | |||
| 76 | ?> |