From 7fe54067201e2837862d2692a01b32e5b5249ee7 Mon Sep 17 00:00:00 2001
From: wangyidong <wangyidong@cnezsoft.com>
Date: Mon, 27 Jun 2011 06:03:21 +0000
Subject: [PATCH]  + add a file of class.

---
 lib/file/file.class.php | 119 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 119 insertions(+)
 create mode 100644 lib/file/file.class.php

diff --git a/lib/file/file.class.php b/lib/file/file.class.php
new file mode 100644
index 0000000000..b25fda0987
--- /dev/null
+++ b/lib/file/file.class.php
@@ -0,0 +1,119 @@
+<?php
+class file
+{
+    /**
+     * Copy a directory from an directory to another directory.
+     * 
+     * @param  string    $from 
+     * @param  string    $to 
+     * @access public
+     * @return array     copied files.
+     */
+    public function copyDir($from, $to)
+    {
+        static $copiedFiles = array();
+
+        if(!is_dir($from) or !is_readable($from)) return $copiedFiles;
+        if(!is_dir($to))
+        {
+            if(!is_writable(dirname($to))) return $copiedFiles;
+            mkdir($to);
+        }
+
+        $from    = realpath($from) . '/';
+        $to      = realpath($to) . '/';
+        $entries = scandir($from);
+
+        foreach($entries as $entry)
+        {
+            if($entry == '.' or $entry == '..' or $entry == '.svn') continue;
+
+            $fullEntry = $from . $entry;
+            if(is_file($fullEntry))
+            {
+                if(file_exists($to . $entry))
+                {
+                    unlink($to . $entry);
+                }
+                copy($fullEntry, $to . $entry);
+                $copiedFiles[] = $to . $entry;
+            }
+            else
+            {
+                $nextFrom = $from . $entry;
+                $nextTo   = $to . $entry;
+                $this->copyDir($nextFrom, $nextTo);
+            }
+        }
+        return $copiedFiles;
+    }
+
+    /**
+     * Remove a dir.
+     * 
+     * @param  string    $dir 
+     * @access public
+     * @return bool
+     */
+    public function removeDir($dir)
+    {
+        $dir = realpath($dir) . '/';
+
+        if(!is_writable($dir)) return false;
+        if(!is_dir($dir)) return true;
+
+        $entries = scandir($dir);
+        foreach($entries as $entry)
+        {
+            if($entry == '.' or $entry == '..' or $entry == '.svn') continue;
+
+            $fullEntry = $dir . $entry;
+            if(is_file($fullEntry))
+            {
+                unlink($fullEntry);
+            }
+            else
+            {
+                $this->removeDir($fullEntry);
+            }
+        }
+        if(!@rmdir($dir)) return false;
+        return true;
+    }
+
+    /**
+     * Get files under a directory recursive.
+     * 
+     * @param  string    $dir 
+     * @param  array     $exceptions 
+     * @access private
+     * @return array
+     */
+    public function readDir($dir, $exceptions = array())
+    {
+         static $files = array();
+
+         if(!is_dir($dir)) return $files;
+
+         $dir    = realpath($dir) . '/';
+         $entries = scandir($dir);
+ 
+         foreach($entries as $entry)
+         {
+             if($entry == '.' or $entry == '..' or $entry == '.svn') continue;
+             if(in_array($entry, $exceptions)) continue;
+
+             $fullEntry = $dir . $entry;
+             if(is_file($fullEntry))
+             {
+                 $files[] = $dir . $entry;
+             }
+             else
+             {
+                 $nextDir = $dir . $entry;
+                 $this->readDir($nextDir);
+             }
+         }
+         return $files;
+    }
+}