From fad93506cd56b976d1413ed5adef87701df715bd Mon Sep 17 00:00:00 2001
From: Kevin Chabowski <kevin@kch42.de>
Date: Sun, 18 May 2014 00:25:49 +0200
Subject: One file per class and new namespace.

We should be able to use a PSR4 autoloader (like composer's) now. ste.php
is still there as a fallback for old applications.
---
 FilesystemStorageAccess.php | 66 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 66 insertions(+)
 create mode 100644 FilesystemStorageAccess.php

(limited to 'FilesystemStorageAccess.php')

diff --git a/FilesystemStorageAccess.php b/FilesystemStorageAccess.php
new file mode 100644
index 0000000..61ad452
--- /dev/null
+++ b/FilesystemStorageAccess.php
@@ -0,0 +1,66 @@
+<?php
+
+namespace kch42\ste;
+
+/*
+ * Class: FilesystemStorageAccess
+ * The default <StorageAccess> implementation for loading / saving templates into a directory structure.
+ */
+class FilesystemStorageAccess implements StorageAccess {
+	protected $sourcedir;
+	protected $transcompileddir;
+	
+	/*
+	 * Constructor: __construct
+	 * 
+	 * Parameters:
+	 * 	$src - The directory with the sources (Writing permissions are not mandatory, because STE does not save template sources).
+	 * 	$transc - The directory with the transcompiled templates (the PHP instance / the HTTP Server needs writing permissions to this directory).
+	 */
+	public function __construct($src, $transc) {
+		$this->sourcedir        = $src;
+		$this->transcompileddir = $transc;
+	}
+	
+	public function load($tpl, &$mode) {
+		$src_fn    = $this->sourcedir        . "/" . $tpl;
+		$transc_fn = $this->transcompileddir . "/" . $tpl . ".php";
+		
+		if($mode == StorageAccess::MODE_SOURCE) {
+			$content = @file_get_contents($src_fn);
+			if($content === false) {
+				throw new CantLoadTemplate("Template not found.");
+			}
+			return $content;
+		}
+		
+		$src_stat    = @stat($src_fn);
+		$transc_stat = @stat($transc_fn);
+		
+		if(($src_stat === false) and ($transc_stat === false)) {
+			throw new CantLoadTemplate("Template not found.");
+		} else if($transc_stat === false) {
+			$mode = StorageAccess::MODE_SOURCE;
+			return file_get_contents($src_fn);
+		} else if($src_stat === false) {
+			include($transc_fn);
+			return $transcompile_fx;
+		} else {
+			if($src_stat["mtime"] > $transc_stat["mtime"]) {
+				$mode = StorageAccess::MODE_SOURCE;
+				return file_get_contents($src_fn);
+			} else {
+				include($transc_fn);
+				return $transcompile_fx;
+			}
+		}
+	}
+	
+	public function save($tpl, $data, $mode) {
+		$fn = (($mode == StorageAccess::MODE_SOURCE) ? $this->sourcedir : $this->transcompileddir) . "/" . $tpl . (($mode == StorageAccess::MODE_TRANSCOMPILED) ? ".php" : "");
+		@mkdir(dirname($fn), 0777, true);
+		if(file_put_contents($fn, "<?php \$transcompile_fx = $data; ?>") === false) {
+			throw new CantSaveTemplate("Unable to save template.");
+		}
+	}
+}
-- 
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