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-<?php
-//
-// +----------------------------------------------------------------------+
-// | PHP Version 4 |
-// +----------------------------------------------------------------------+
-// | Copyright (c) 1997-2005 The PHP Group |
-// +----------------------------------------------------------------------+
-// | This source file is subject to version 2.02 of the PHP license, |
-// | that is bundled with this package in the file LICENSE, and is |
-// | available at through the world-wide-web at |
-// | http://www.php.net/license/2_02.txt. |
-// | If you did not receive a copy of the PHP license and are unable to |
-// | obtain it through the world-wide-web, please send a note to |
-// | license@php.net so we can mail you a copy immediately. |
-// +----------------------------------------------------------------------+
-// | Author: Sterling Hughes <sterling@php.net> |
-// +----------------------------------------------------------------------+
-//
-// $Id: Find.php,v 1.27 2006/06/30 14:06:16 techtonik Exp $
-//
-
-require_once 'PEAR.php';
-
-define('FILE_FIND_VERSION', '@package_version@');
-
-// to debug uncomment this string
-// define('FILE_FIND_DEBUG', '');
-
-/**
-* Commonly needed functions searching directory trees
-*
-* @access public
-* @version $Id: Find.php,v 1.27 2006/06/30 14:06:16 techtonik Exp $
-* @package File
-* @author Sterling Hughes <sterling@php.net>
-*/
-class File_Find
-{
- /**
- * internal dir-list
- * @var array
- */
- var $_dirs = array();
-
- /**
- * directory separator
- * @var string
- */
- var $dirsep = "/";
-
- /**
- * found files
- * @var array
- */
- var $files = array();
-
- /**
- * found dirs
- * @var array
- */
- var $directories = array();
-
- /**
- * Search specified directory to find matches for specified pattern
- *
- * @param string $pattern a string containing the pattern to search
- * the directory for.
- *
- * @param string $dirpath a string containing the directory path
- * to search.
- *
- * @param string $pattern_type a string containing the type of
- * pattern matching functions to use (can either be 'php',
- * 'perl' or 'shell').
- *
- * @return array containing all of the files and directories
- * matching the pattern or null if no matches
- *
- * @author Sterling Hughes <sterling@php.net>
- * @access public
- * @static
- */
- function &glob($pattern, $dirpath, $pattern_type = 'php')
- {
- $dh = @opendir($dirpath);
-
- if (!$dh) {
- $pe = PEAR::raiseError("Cannot open directory $dirpath");
- return $pe;
- }
-
- $match_function = File_Find::_determineRegex($pattern, $pattern_type);
- $matches = array();
-
- // empty string cannot be specified for 'php' and 'perl' pattern
- if ($pattern || ($pattern_type != 'php' && $pattern_type != 'perl')) {
- while (false !== ($entry = @readdir($dh))) {
- if ($match_function($pattern, $entry) &&
- $entry != '.' && $entry != '..') {
- $matches[] = $entry;
- }
- }
- }
-
- @closedir($dh);
-
- if (0 == count($matches)) {
- $matches = null;
- }
-
- return $matches ;
- }
-
- /**
- * Map the directory tree given by the directory_path parameter.
- *
- * @param string $directory contains the directory path that you
- * want to map.
- *
- * @return array a two element array, the first element containing a list
- * of all the directories, the second element containing a list of all the
- * files.
- *
- * @author Sterling Hughes <sterling@php.net>
- * @access public
- */
- function &maptree($directory)
- {
-
- /* if called statically */
- if (!isset($this) || !is_a($this, "File_Find")) {
- $obj = &new File_Find();
- return $obj->maptree($directory);
- }
-
- /* clear the results just in case */
- $this->files = array();
- $this->directories = array();
-
- /* strip out trailing slashes */
- $directory = preg_replace('![\\\\/]+$!', '', $directory);
-
- $this->_dirs = array($directory);
-
- while (count($this->_dirs)) {
- $dir = array_pop($this->_dirs);
- File_Find::_build($dir, $this->dirsep);
- array_push($this->directories, $dir);
- }
-
- $retval = array($this->directories, $this->files);
- return $retval;
-
- }
-
- /**
- * Map the directory tree given by the directory parameter.
- *
- * @param string $directory contains the directory path that you
- * want to map.
- * @param integer $maxrecursion maximun number of folders to recursive
- * map
- *
- * @return array a multidimensional array containing all subdirectories
- * and their files. For example:
- *
- * Array
- * (
- * [0] => file_1.php
- * [1] => file_2.php
- * [subdirname] => Array
- * (
- * [0] => file_1.php
- * )
- * )
- *
- * @author Mika Tuupola <tuupola@appelsiini.net>
- * @access public
- * @static
- */
- function &mapTreeMultiple($directory, $maxrecursion = 0, $count = 0)
- {
- $retval = array();
-
- $count++;
-
- /* strip trailing slashes */
- $directory = preg_replace('![\\\\/]+$!', '', $directory);
-
- if (is_readable($directory)) {
- $dh = opendir($directory);
- while (false !== ($entry = @readdir($dh))) {
- if ($entry != '.' && $entry != '..') {
- array_push($retval, $entry);
- }
- }
- closedir($dh);
- }
-
- while (list($key, $val) = each($retval)) {
- $path = $directory . "/" . $val;
-
- if (!is_array($val) && is_dir($path)) {
- unset($retval[$key]);
- if ($maxrecursion == 0 || $count < $maxrecursion) {
- $retval[$val] = &File_Find::mapTreeMultiple($path,
- $maxrecursion, $count);
- }
- }
- }
-
- return $retval;
- }
-
- /**
- * Search the specified directory tree with the specified pattern. Return
- * an array containing all matching files (no directories included).
- *
- * @param string $pattern the pattern to match every file with.
- *
- * @param string $directory the directory tree to search in.
- *
- * @param string $type the type of regular expression support to use, either
- * 'php', 'perl' or 'shell'.
- *
- * @param bool $fullpath whether the regex should be matched against the
- * full path or only against the filename
- *
- * @param string $match can be either 'files', 'dirs' or 'both' to specify
- * the kind of list to return
- *
- * @return array a list of files matching the pattern parameter in the the
- * directory path specified by the directory parameter
- *
- * @author Sterling Hughes <sterling@php.net>
- * @access public
- * @static
- */
- function &search($pattern, $directory, $type = 'php', $fullpath = true, $match = 'files')
- {
-
- $matches = array();
- list ($directories,$files) = File_Find::maptree($directory);
- switch($match) {
- case 'directories':
- $data = $directories;
- break;
- case 'both':
- $data = array_merge($directories, $files);
- break;
- case 'files':
- default:
- $data = $files;
- }
- unset($files, $directories);
-
- $match_function = File_Find::_determineRegex($pattern, $type);
-
- reset($data);
- // check if empty string given (ok for 'shell' method, but bad for others)
- if ($pattern || ($type != 'php' && $type != 'perl')) {
- while (list(,$entry) = each($data)) {
- if ($match_function($pattern,
- $fullpath ? $entry : basename($entry))) {
- $matches[] = $entry;
- }
- }
- }
-
- return $matches;
- }
-
- /**
- * Determine whether or not a variable is a PEAR error
- *
- * @param object PEAR_Error $var the variable to test.
- *
- * @return boolean returns true if the variable is a PEAR error, otherwise
- * it returns false.
- * @access public
- */
- function isError(&$var)
- {
- return PEAR::isError($var);
- }
-
- /**
- * internal function to build singular directory trees, used by
- * File_Find::maptree()
- *
- * @param string $directory name of the directory to read
- * @param string $separator directory separator
- * @return void
- */
- function _build($directory, $separator = "/")
- {
-
- $dh = @opendir($directory);
-
- if (!$dh) {
- $pe = PEAR::raiseError("Cannot open directory");
- return $pe;
- }
-
- while (false !== ($entry = @readdir($dh))) {
- if ($entry != '.' && $entry != '..') {
-
- $entry = $directory.$separator.$entry;
-
- if (is_dir($entry)) {
- array_push($this->_dirs, $entry);
- } else {
- array_push($this->files, $entry);
- }
- }
- }
-
- @closedir($dh);
- }
-
- /**
- * internal function to determine the type of regular expression to
- * use, implemented by File_Find::glob() and File_Find::search()
- *
- * @param string $type given RegExp type
- * @return string kind of function ( "eregi", "ereg" or "preg_match") ;
- *
- */
- function _determineRegex($pattern, $type)
- {
- if (!strcasecmp($type, 'shell')) {
- $match_function = 'File_Find_match_shell';
- } else if (!strcasecmp($type, 'perl')) {
- $match_function = 'preg_match';
- } else if (!strcasecmp(substr($pattern, -2), '/i')) {
- $match_function = 'eregi';
- } else {
- $match_function = 'ereg';
- }
- return $match_function;
- }
-
-}
-
-/**
-* Package method to match via 'shell' pattern. Provided in global
-* scope, because it should be called like 'preg_match' and 'eregi'
-* and can be easily copied into other packages
-*
-* @author techtonik <techtonik@php.net>
-* @return mixed bool on success and PEAR_Error on failure
-*/
-function File_Find_match_shell($pattern, $filename)
-{
- // {{{ convert pattern to positive and negative regexps
- $positive = $pattern;
- $negation = substr_count($pattern, "|");
-
- if ($negation > 1) {
- PEAR::raiseError("Mask string contains errors!");
- return FALSE;
- } elseif ($negation) {
- list($positive, $negative) = explode("|", $pattern);
- if (strlen($negative) == 0) {
- PEAR::raiseError("File-mask string contains errors!");
- return FALSE;
- }
- }
-
- $positive = _File_Find_match_shell_get_pattern($positive);
- if ($negation) {
- $negative = _File_Find_match_shell_get_pattern($negative);
- }
- // }}} convert end
-
-
- if (defined("FILE_FIND_DEBUG")) {
- print("Method: $type\nPattern: $pattern\n Converted pattern:");
- print_r($positive);
- if (isset($negative)) print_r($negative);
- }
-
- if (!preg_match($positive, $filename)) {
- return FALSE;
- } else {
- if (isset($negative)
- && preg_match($negative, $filename)) {
- return FALSE;
- } else {
- return TRUE;
- }
- }
-}
-
-/**
-* function used by File_Find_match_shell to convert 'shell' mask
-* into pcre regexp. Some of the rules (see testcases for more):
-* escaping all special chars and replacing
-* . with \.
-* * with .*
-* ? with .{1}
-* also adding ^ and $ as the pattern matches whole filename
-*
-* @author techtonik <techtonik@php.net>
-* @return string pcre regexp for preg_match
-*/
-function _File_Find_match_shell_get_pattern($mask) {
- // get array of several masks (if any) delimited by comma
- // do not touch commas in char class
- $premasks = preg_split("|(\[[^\]]+\])|", $mask, -1, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY );
- if (defined("FILE_FIND_DEBUG")) {
- print("\nPremask: ");
- print_r($premasks);
- }
- $pi = 0;
- foreach($premasks as $pm) {
- if (!isset($masks[$pi])) $masks[$pi] = "";
- if ($pm{0} == '[' && $pm{strlen($pm)-1} == ']') {
- // strip commas from character class
- $masks[$pi] .= str_replace(",", "", $pm);
- } else {
- $tarr = explode(",", $pm);
- if (sizeof($tarr) == 1) {
- $masks[$pi] .= $pm;
- } else {
- foreach ($tarr as $te) {
- $masks[$pi++] .= $te;
- $masks[$pi] = "";
- }
- unset($masks[$pi--]);
- }
- }
- }
-
- // if empty string given return *.* pattern
- if (strlen($mask) == 0) return "!^.*$!";
-
- // convert to preg regexp
- $regexmask = implode("|", $masks);
- if (defined("FILE_FIND_DEBUG")) {
- print("regexMask step one(implode): $regexmask");
- }
- $regexmask = addcslashes($regexmask, '^$}!{)(\/.+');
- if (defined("FILE_FIND_DEBUG")) {
- print("\nregexMask step two(addcslashes): $regexmask");
- }
- $regexmask = preg_replace("!(\*|\?)!", ".$1", $regexmask);
- if (defined("FILE_FIND_DEBUG")) {
- print("\nregexMask step three(* ? -> .* .?): $regexmask");
- }
- // a special case '*.' at the end means that there is no extension
- $regexmask = preg_replace("!\.\*\\\.(\||$)!", "[^\.]*$1", $regexmask);
- // it is impossible to have dot at the end of filename
- $regexmask = preg_replace("!\\\.(\||$)!", "$1", $regexmask);
- // and .* at the end also means that there could be nothing at all
- // (i.e. no dot at the end also)
- $regexmask = preg_replace("!\\\.\.\*(\||$)!", "(\\\\..*)?$1", $regexmask);
- if (defined("FILE_FIND_DEBUG")) {
- print("\nregexMask step two and half(*.$ \\..*$ .$ -> [^.]*$ .?.* $): $regexmask");
- }
- // if no extension supplied - add .* to match partially from filename start
- if (strpos($regexmask, "\\.") === FALSE) $regexmask .= ".*";
-
- // file mask match whole name - adding restrictions
- $regexmask = preg_replace("!(\|)!", '^'."$1".'$', $regexmask);
- $regexmask = '^'.$regexmask.'$';
- if (defined("FILE_FIND_DEBUG")) {
- print("\nregexMask step three(^ and $ to match whole name): $regexmask");
- }
- // wrap regex into ! since all ! are already escaped
- $regexmask = "!$regexmask!i";
- if (defined("FILE_FIND_DEBUG")) {
- print("\nWrapped regex: $regexmask\n");
- }
- return $regexmask;
-}
-
-/*
- * Local variables:
- * tab-width: 4
- * c-basic-offset: 4
- * End:
- */
-
-?>
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