1 files changed, 136 insertions, 0 deletions
diff --git a/glpi-minify.php b/glpi-minify.php
new file mode 100644
index 0000000..91aa617
--- /dev/null
+++ b/glpi-minify.php
@@ -0,0 +1,136 @@
+<?php
+/**
+ * ---------------------------------------------------------------------
+ * GLPI - Gestionnaire Libre de Parc Informatique
+ * Copyright (C) 2015-2017 Teclib' and contributors.
+ *
+ * http://glpi-project.org
+ *
+ * based on GLPI - Gestionnaire Libre de Parc Informatique
+ * Copyright (C) 2003-2014 by the INDEPNET Development Team.
+ *
+ * ---------------------------------------------------------------------
+ *
+ * LICENSE
+ *
+ * This file is part of GLPI.
+ *
+ * GLPI is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * GLPI is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GLPI. If not, see <http://www.gnu.org/licenses/>.
+ * ---------------------------------------------------------------------
+ */
+
+require '/usr/share/php/natxet/CssMin/autoload.php';
+require '/usr/share/php/Patchwork/autoload-jsqueeze.php';
+
+class Task
+{
+   private function taskMinifyCSS($srce, $dest) {
+      $l = strlen(dirname(__DIR__))+1;
+      $in = file_get_contents($srce);
+      $out = \CssMin::minify($in);
+      if ($out && strlen($out) < strlen($in)) {
+         file_put_contents($dest, $out);
+         printf("+ minify from %-40s to %-40s: %2d%% of %6d\n", substr($srce, $l), substr($dest, $l), round(strlen($out)*100/strlen($in)), strlen($in));
+      } else {
+         printf("- minify from %40s to %40s: skipped", substr($srce, $l), substr($dest, $l));
+      }
+   }
+
+   private function taskMinifyJS($srce, $dest) {
+      $l = strlen(dirname(__DIR__))+1;
+      $in = file_get_contents($srce);
+      $jsqueeze = new \Patchwork\JSqueeze();
+      $out = $jsqueeze->squeeze($in);
+      if ($out && strlen($out) < strlen($in)) {
+         file_put_contents($dest, $out);
+         printf("+ minify from %-40s to %-40s: %2d%% of %6d\n", substr($srce, $l), substr($dest, $l), round(strlen($out)*100/strlen($in)), strlen($in));
+      } else {
+         printf("- minify from %40s to %40s: skipped", substr($srce, $l), substr($dest, $l));
+      }
+   }
+
+   /**
+    * Minify CSS stylesheets
+    *
+    * @param string $css_dir path of CSS files
+    *
+    * @return this
+    */
+   public function minifyCSS($css_dir) {
+
+      if (is_dir($css_dir)) {
+         $it = new RegexIterator(
+            new RecursiveIteratorIterator(
+               new RecursiveDirectoryIterator($css_dir)
+            ),
+            "/\\.css\$/i"
+         );
+
+         foreach ($it as $css_file) {
+            if (!$this->endsWith($css_file->getFilename(), 'min.css')) {
+               $this->taskMinifyCSS($css_file->getRealpath(), str_replace('.css', '.min.css', $css_file->getRealpath()));
+            }
+         }
+      }
+      return $this;
+   }
+
+   /**
+    * Minify JavaScript files stylesheets
+    *
+    * @param string $js_dir path of CSS files
+    *
+    * @return this
+    */
+   public function minifyJS($js_dir) {
+
+      if (is_dir($js_dir)) {
+         $it = new RegexIterator(
+            new RecursiveIteratorIterator(
+               new RecursiveDirectoryIterator($js_dir)
+            ),
+            "/\\.js\$/i"
+         );
+
+         foreach ($it as $js_file) {
+            if (!$this->endsWith($js_file->getFilename(), 'min.js')) {
+               $this->taskMinifyJS($js_file->getRealpath(), str_replace('.js', '.min.js', $js_file->getRealpath()));
+            }
+         }
+      }
+
+      return $this;
+   }
+
+   /**
+    * Checks if a string ends with another string
+    *
+    * @param string $haystack Full string
+    * @param string $needle   Ends string
+    *
+    * @return boolean
+    * @see http://stackoverflow.com/a/834355
+    */
+   private function endsWith($haystack, $needle) {
+      $length = strlen($needle);
+      if ($length == 0) {
+         return true;
+      }
+
+      return (substr($haystack, -$length) === $needle);
+   }
+}
+
+$task = new Task();
+$task->minifyCSS( __DIR__ . '/../css')->minifyJS( __DIR__ . '/../js');