From 171e3f1b4c0117a7ea0160e2977d1e08e6612c0a Mon Sep 17 00:00:00 2001
From: Bjørn Lindeijer <bjorn@lindeijer.nl>
Date: Tue, 18 Dec 2007 18:44:12 +0000
Subject: Optimized with single loop approach and nicer printing calls,
 inspired by doener's version. Also added list of update entries and their
 respective update.

---
 tools/upalyzer/analyze.php | 79 ++++++++++++++++++++--------------------------
 1 file changed, 34 insertions(+), 45 deletions(-)

(limited to 'tools/upalyzer')

diff --git a/tools/upalyzer/analyze.php b/tools/upalyzer/analyze.php
index 45ba2f0c..36842a6d 100644
--- a/tools/upalyzer/analyze.php
+++ b/tools/upalyzer/analyze.php
@@ -26,13 +26,15 @@
 List of current updates:
 
 <?php
-$update_file = file('resources2.txt');
+$update_file = array_filter(array_reverse(file('resources2.txt')));
 $updates = array();
 $update_file_maxlen = 0;
 $data_size = 0;
 $data_uncompressed_size = 0;
 $data_used_size = 0;
 $data_overhead_size = 0;
+$update_entries = array();
+$update_entry_maxlen = 0;
 
 foreach ($update_file as $update_line)
 {
@@ -42,71 +44,51 @@ foreach ($update_file as $update_line)
     'file' => $file,
     'adler32' => trim($splitted[1]),
     'filesize' => filesize($file),
-    'size' => 0);
+    'size' => 0,
+    'used_entry_count' => 0,
+    'used_size' => 0,
+    'uncompressed_size' => 0);
   $update_file_maxlen = max($update_file_maxlen, strlen($file));
 
-  $uncompressed_size = 0;
   $entries = array();
   $zip = zip_open($file);
+
   if ($zip) {
     while ($zip_entry = zip_read($zip)) {
-      $uncompressed_size = $uncompressed_size + zip_entry_filesize($zip_entry);
+      $update['uncompressed_size'] += zip_entry_filesize($zip_entry);
+      $entry_name = zip_entry_name($zip_entry);
       $entry_size = zip_entry_compressedsize($zip_entry);
+      $entry_used = !array_key_exists($entry_name, $update_entries);
       $entries[zip_entry_name($zip_entry)] = array(
-        'name' => zip_entry_name($zip_entry),
-        'size' => $entry_size);
+        'name' => $entry_name,
+        'size' => $entry_size,
+        'used' => $entry_used);
       $update['size'] += $entry_size;
+
+      if ($entry_used) {
+        $update['used_entry_count']++;
+        $update['used_size'] += $entry_size;
+      }
+
+      $update_entries[$entry_name] = $update['file'];
+      $update_entry_maxlen = max($update_entry_maxlen, strlen($entry_name));
     }
     zip_close($zip);
   }
+
   $update['entries'] = $entries;
-  $update['uncompressed_size'] = $uncompressed_size;
+  $update['used_percentage'] = $update['used_size'] / $update['size'];
   $updates[] = $update;
 
+  $data_used_size += $update['used_size'];
   $data_size += $update['size'];
-  $data_uncompressed_size += $uncompressed_size;
+  $data_uncompressed_size += $update['uncompressed_size'];
   $data_overhead_size += $update['filesize'] - $update['size'];
 }
 
-function get_update_for_file($file)
-{
-  global $updates;
-
-  for ($i = count($updates) - 1; $i >= 0; $i--) {
-    $update = $updates[$i];
-    if (array_key_exists($file, $update['entries'])) {
-      return $update;
-    }
-  }
-  return null;
-}
-
-foreach ($updates as &$update)
-{
-  $entry_count = count($update['entries']);
-  $used_entry_count = 0;
-  $used_entry_size = 0;
-
-  foreach ($update['entries'] as $file => $entry) {
-    $update_for_file = get_update_for_file($file);
-    if (strcmp($update_for_file['file'], $update['file']) == 0) {
-      $used_entry_count++;
-      $used_entry_size += $entry['size'];
-      $entry['used'] = true;
-    }
-  }
-
-  $update['used_entry_count'] = $used_entry_count;
-  $update['used_size'] = $used_entry_size;
-  $update['used_percentage'] = $used_entry_size / $update['size'];
-
-  $data_used_size += $update['used_size'];
-}
-
 foreach ($updates as &$update)
 {
-  echo $update['file'];
-  echo str_repeat(' ', $update_file_maxlen - strlen($update['file']) + 2);
+  printf("%-{$update_file_maxlen}s  ", $update['file']);
   echo $update['adler32'];
   printf("  %4d kb", $update['filesize'] / 1024);
   printf("  %4d kb", $update['uncompressed_size'] / 1024);
@@ -125,6 +107,13 @@ printf("Obsoleted data: %4d kb (%d%%)\n",
     ($data_size - $data_used_size) / 1024,
     100 - ($data_used_size / $data_size) * 100);
 
+printf("\n");
+
+foreach ($update_entries as $entry => $update)
+{
+  printf("%-{$update_entry_maxlen}s  %s\n", $entry, $update);
+}
+
 /*
 if ($dh = opendir('.')) {
   while (($file = readdir($dh)) !== false) {
-- 
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