From 35c7ff28cbc311fba5e394b11fb756a4dc1edcb9 Mon Sep 17 00:00:00 2001
From: wei <>
Date: Tue, 13 Dec 2005 07:08:30 +0000
Subject: Removed inline javascript from components. Adding TJavascriptLogger
 and logger.js

---
 framework/Web/UI/TAssetManager.php | 25 +++++++++++++++++++++++--
 1 file changed, 23 insertions(+), 2 deletions(-)

(limited to 'framework/Web/UI/TAssetManager.php')

diff --git a/framework/Web/UI/TAssetManager.php b/framework/Web/UI/TAssetManager.php
index df189b58..dfc1fa53 100644
--- a/framework/Web/UI/TAssetManager.php
+++ b/framework/Web/UI/TAssetManager.php
@@ -150,7 +150,7 @@ class TAssetManager extends TModule
 			return '';
 		else if(is_file($fullpath))
 		{
-			$dir=md5(dirname($fullpath));
+			$dir=$this->hash(dirname($fullpath));
 			$file=$this->_basePath.'/'.$dir.'/'.basename($fullpath);
 			if(!is_file($file) || $checkTimestamp || $this->_application->getMode()!=='Performance')
 			{
@@ -164,7 +164,7 @@ class TAssetManager extends TModule
 		}
 		else
 		{
-			$dir=md5($fullpath);
+			$dir=$this->hash($fullpath);
 			if(!is_dir($this->_basePath.'/'.$dir) || $checkTimestamp || $this->_application->getMode()!=='Performance')
 				$this->copyDirectory($fullpath,$this->_basePath.'/'.$dir);
 			$this->_published[$path]=$this->_baseUrl.'/'.$dir;
@@ -172,6 +172,27 @@ class TAssetManager extends TModule
 		}
 	}
 
+	/**
+	 * Generate a CRC32 hash for the directory path. Collisions are higher
+	 * than MD5 but generates a much smaller hash string.
+	 * @param string string to be hashed.
+	 * @return string hashed string.
+	 */
+	private function hash($dir)
+	{
+		$num = sprintf('%u', crc32($dir));
+		$base = 62;
+		$index = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
+		$out = '';
+		for ( $t = floor( log10( $num ) / log10( $base ) ); $t >= 0; $t-- ) 
+		{
+			$a = floor( $num / pow( $base, $t ) );
+			$out = $out . substr( $index, $a, 1 );
+			$num = $num - ( $a * pow( $base, $t ) );
+		}
+		return $out;
+	}
+
 	/**
 	 * Copies a directory recursively as another.
 	 * If the destination directory does not exist, it will be created.
-- 
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