Initial commit

#pma/libraries/file_listing.lib.php

@@ -0,0 +1,97 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * Functions for listing directories
+ *
+ * @package PhpMyAdmin
+ */
+
+/**
+ * Returns array of filtered file names
+ *
+ * @param string $dir        directory to list
+ * @param string $expression regular expression to match files
+ *
+ * @return array   sorted file list on success, false on failure
+ */
+function PMA_getDirContent($dir, $expression = '')
+{
+    if (!@file_exists($dir) || !($handle = @opendir($dir))) {
+        return false;
+    }
+
+    $result = array();
+    if (substr($dir, -1) != '/') {
+        $dir .= '/';
+    }
+    while ($file = @readdir($handle)) {
+        if (@is_file($dir . $file)
+            && ! @is_link($dir . $file)
+            && ($expression == '' || preg_match($expression, $file))
+        ) {
+            $result[] = $file;
+        }
+    }
+    closedir($handle);
+    asort($result);
+    return $result;
+}
+
+/**
+ * Returns options of filtered file names
+ *
+ * @param string $dir        directory to list
+ * @param string $extensions regular expression to match files
+ * @param string $active     currently active choice
+ *
+ * @return array   sorted file list on success, false on failure
+ */
+function PMA_getFileSelectOptions($dir, $extensions = '', $active = '')
+{
+    $list = PMA_getDirContent($dir, $extensions);
+    if ($list === false) {
+        return false;
+    }
+    $result = '';
+    foreach ($list as $val) {
+        $result .= '<option value="' . htmlspecialchars($val) . '"';
+        if ($val == $active) {
+            $result .= ' selected="selected"';
+        }
+        $result .= '>' . htmlspecialchars($val) . '</option>' . "\n";
+    }
+    return $result;
+}
+
+/**
+ * Get currently supported decompressions.
+ *
+ * @return string separated list of extensions usable in PMA_getDirContent
+ */
+function PMA_supportedDecompressions()
+{
+    global $cfg;
+
+    $compressions = '';
+
+    if ($cfg['GZipDump'] && @function_exists('gzopen')) {
+        if (!empty($compressions)) {
+            $compressions .= '|';
+        }
+        $compressions .= 'gz';
+    }
+    if ($cfg['BZipDump'] && @function_exists('bzopen')) {
+        if (!empty($compressions)) {
+            $compressions .= '|';
+        }
+        $compressions .= 'bz2';
+    }
+    if ($cfg['ZipDump'] && @function_exists('gzinflate')) {
+        if (!empty($compressions)) {
+            $compressions .= '|';
+        }
+        $compressions .= 'zip';
+    }
+
+    return $compressions;
+}