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#!/usr/bin/env php |
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<?php |
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/** |
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* EGroupware - check namespace usage in converted code |
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* |
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* @link http://www.egroupware.org |
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* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License |
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* @author Ralf Becker <[email protected]> |
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* @copyright 2015 by Ralf Becker <[email protected]> |
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* @version $Id$ |
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*/ |
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if (php_sapi_name() !== 'cli') // security precaution: forbit calling as web-page |
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{ |
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die('<h1>check_namespace.php must NOT be called as web-page --> exiting !!!</h1>'); |
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} |
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/** |
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* Check namespace usage in converted code |
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* |
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* @param string $file filename |
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* @return boolean false on error |
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*/ |
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function check_namespace($file) |
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{ |
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global $prog; |
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if (basename($file) == $prog) return true; // dont fix ourself ;-) |
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if (($content = file_get_contents($file)) === false) return false; |
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// replace commented lines with empty ones |
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$lines = preg_replace_callback('#(//.*$|/\\*.*\\*/)#msU', function($matches) |
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{ |
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return str_repeat("\n", substr_count($matches[0], "\n")); |
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}, $content); |
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// find classes declared in file itself, in case they are used |
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$declared = array(); |
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foreach(explode("\n", $lines) as $num => $line) |
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{ |
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$matches = null; |
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if (preg_match('/class\s+([^ ]+)/', $line, $matches)) |
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{ |
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$declared[] = $matches[1]; |
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} |
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} |
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$namespace = ''; |
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$use = array(); |
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$allways = array('self', 'parent', 'static'); |
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foreach(explode("\n", $lines) as $num => $line) |
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{ |
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$matches = null; |
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if (preg_match('/namespace\s+([A-Za-z0-9_\\\\]+);/', $line, $matches)) |
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{ |
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$namespace = $matches[1]; |
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$use = array(); |
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} |
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if ($namespace === '') continue; |
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if (preg_match('/use\s+([^;]+);/', $line, $matches)) |
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{ |
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foreach(preg_split('/,\s*/', $matches[1]) as $alias) |
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{ |
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$parts = explode('\\', $alias); |
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$use[$alias] = array_pop($parts); |
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} |
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} |
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$all_matches_raw = array(); |
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if (preg_match_all('/[=\s]new\s+([a-z0-9_\\\\]+)\s*\(/i', $line, $matches)) |
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{ |
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$all_matches_raw = $matches[1]; |
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} |
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if (preg_match_all('/[\s,\(]([a-z0-9_\\\\]+)::/i', $line, $matches)) |
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{ |
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$all_matches_raw = array_merge($all_matches_raw, $matches[1]); |
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} |
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$all_matches = array_unique($all_matches_raw); |
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foreach($all_matches as $c => $class) |
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{ |
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$parts = explode('\\', $class); |
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$first_part = array_shift($parts); |
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if (in_array($class, $allways) || in_array($class, $declared) || $class[0] == '\\' || in_array($first_part, $use)) |
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{ |
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unset($all_matches[$c]); |
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continue; |
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} |
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if (file_exists(dirname($file).'/'.str_replace('\\', '/', $class).'.php')) |
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{ |
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$use[$namespace.'\\'.$class] = $class; |
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unset($all_matches[$c]); |
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continue; |
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} |
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} |
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if ($all_matches) |
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{ |
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echo (1+$num).":\t".$line."\n"; |
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echo "--> ".implode(', ', $all_matches)."\n\n"; |
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} |
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} |
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//print_r($use); |
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return true; |
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} |
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/** |
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* Loop recursive through directory and call check_namespace for each php file |
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* |
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* @param string $dir |
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* @return boolean false on error |
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*/ |
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function check_namespace_recursive($dir) |
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{ |
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if (!is_dir($dir)) return false; |
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foreach(scandir($dir) as $file) |
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{ |
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if ($file == '.' || $file == '..') continue; |
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if (is_dir($dir.'/'.$file)) |
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{ |
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check_namespace_recursive($dir.'/'.$file); |
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} |
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elseif(substr($file,-4) == '.php') |
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{ |
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echo "\r".str_repeat(' ',100)."\r".$dir.'/'.$file.': '; |
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check_namespace($dir.'/'.$file); |
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} |
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} |
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echo "\r".str_repeat(' ',100)."\r"; |
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return true; |
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} |
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/** |
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* Give usage |
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* |
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* @param string $error =null |
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*/ |
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function usage($error=null) |
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{ |
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global $prog; |
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echo "Usage: $prog [-h|--help] file or dir\n\n"; |
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if ($error) echo $error."\n\n"; |
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exit($error ? 1 : 0); |
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} |
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$args = $_SERVER['argv']; |
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$prog = basename(array_shift($args)); |
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if (!$args) usage(); |
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$replace_file = false; |
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while(($arg = array_shift($args))) |
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{ |
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switch($arg) |
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{ |
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case '-h': |
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case '--help': |
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usage(); |
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break; |
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default: |
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if ($args) // not last argument |
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{ |
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usage("Unknown argument '$arg'!"); |
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} |
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break 2; |
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} |
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} |
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if (!file_exists($arg)) usage("Error: $arg not found!"); |
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if (!is_dir($arg)) |
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{ |
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check_namespace($arg,$replace_file); |
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} |
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else |
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{ |
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check_namespace_recursive($arg,$replace_file); |
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} |
EGroupware /
egroupware
Loading history...
This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent.
Consider making the comparison explicit by using
empty(..)or! empty(...)instead.