From 31759cb3b3090c1b9d68ac54f2d2622584003563 Mon Sep 17 00:00:00 2001
From: Bharat Mediratta <bharat@menalto.com>
Date: Mon, 15 Dec 2008 08:37:09 +0000
Subject: Delete trunk/kohana and trunk/modules/unit_test in preparation to
 refresh them properly from the vendor branch.

---
 kohana/libraries/drivers/Cache/Sqlite.php | 228 ------------------------------
 1 file changed, 228 deletions(-)
 delete mode 100644 kohana/libraries/drivers/Cache/Sqlite.php

(limited to 'kohana/libraries/drivers/Cache/Sqlite.php')

diff --git a/kohana/libraries/drivers/Cache/Sqlite.php b/kohana/libraries/drivers/Cache/Sqlite.php
deleted file mode 100644
index bc3ea7a7..00000000
--- a/kohana/libraries/drivers/Cache/Sqlite.php
+++ /dev/null
@@ -1,228 +0,0 @@
-<?php defined('SYSPATH') or die('No direct script access.');
-/**
- * SQLite-based Cache driver.
- *
- * $Id$
- *
- * @package    Cache
- * @author     Kohana Team
- * @copyright  (c) 2007-2008 Kohana Team
- * @license    http://kohanaphp.com/license.html
- */
-class Cache_Sqlite_Driver implements Cache_Driver {
-
-	// SQLite database instance
-	protected $db;
-
-	// Database error messages
-	protected $error;
-
-	/**
-	 * Logs an SQLite error.
-	 */
-	protected static function log_error($code)
-	{
-		// Log an error
-		Kohana::log('error', 'Cache: SQLite error: '.sqlite_error_string($error));
-	}
-
-	/**
-	 * Tests that the storage location is a directory and is writable.
-	 */
-	public function __construct($filename)
-	{
-		// Get the directory name
-		$directory = str_replace('\\', '/', realpath(pathinfo($filename, PATHINFO_DIRNAME))).'/';
-
-		// Set the filename from the real directory path
-		$filename = $directory.basename($filename);
-
-		// Make sure the cache directory is writable
-		if ( ! is_dir($directory) OR ! is_writable($directory))
-			throw new Kohana_Exception('cache.unwritable', $directory);
-
-		// Make sure the cache database is writable
-		if (is_file($filename) AND ! is_writable($filename))
-			throw new Kohana_Exception('cache.unwritable', $filename);
-
-		// Open up an instance of the database
-		$this->db = new SQLiteDatabase($filename, '0666', $error);
-
-		// Throw an exception if there's an error
-		if ( ! empty($error))
-			throw new Kohana_Exception('cache.driver_error', sqlite_error_string($error));
-
-		$query  = "SELECT name FROM sqlite_master WHERE type = 'table' AND name = 'caches'";
-		$tables = $this->db->query($query, SQLITE_BOTH, $error);
-
-		// Throw an exception if there's an error
-		if ( ! empty($error))
-			throw new Kohana_Exception('cache.driver_error', sqlite_error_string($error));
-
-		if ($tables->numRows() == 0)
-		{
-			Kohana::log('error', 'Cache: Initializing new SQLite cache database');
-
-			// Issue a CREATE TABLE command
-			$this->db->unbufferedQuery(Kohana::config('cache_sqlite.schema'));
-		}
-	}
-
-	/**
-	 * Checks if a cache id is already set.
-	 *
-	 * @param  string   cache id
-	 * @return boolean
-	 */
-	public function exists($id)
-	{
-		// Find the id that matches
-		$query = "SELECT id FROM caches WHERE id = '$id'";
-
-		return ($this->db->query($query)->numRows() > 0);
-	}
-
-	/**
-	 * Sets a cache item to the given data, tags, and lifetime.
-	 *
-	 * @param   string   cache id to set
-	 * @param   string   data in the cache
-	 * @param   array    cache tags
-	 * @param   integer  lifetime
-	 * @return  bool
-	 */
-	public function set($id, $data, $tags, $lifetime)
-	{
-		// Find the data hash
-		$hash = sha1($data);
-
-		// Escape the data
-		$data = sqlite_escape_string($data);
-
-		// Escape the tags
-		$tags = sqlite_escape_string(implode(',', $tags));
-
-		// Cache Sqlite driver expects unix timestamp
-		if ($lifetime !== 0)
-		{
-			$lifetime += time();
-		}
-
-		$query = $this->exists($id)
-			? "UPDATE caches SET hash = '$hash', tags = '$tags', expiration = '$lifetime', cache = '$data' WHERE id = '$id'"
-			: "INSERT INTO caches VALUES('$id', '$hash', '$tags', '$lifetime', '$data')";
-
-		// Run the query
-		$this->db->unbufferedQuery($query, SQLITE_BOTH, $error);
-
-		empty($error) or self::log_error($error);
-
-		return empty($error);
-	}
-
-	/**
-	 * Finds an array of ids for a given tag.
-	 *
-	 * @param  string  tag name
-	 * @return array   of ids that match the tag
-	 */
-	public function find($tag)
-	{
-		$query = "SELECT id FROM caches WHERE tags LIKE '%{$tag}%'";
-		$query = $this->db->query($query, SQLITE_BOTH, $error);
-
-		empty($error) or self::log_error($error);
-
-		if (empty($error) AND $query->numRows() > 0)
-		{
-			$array = array();
-			while ($row = $query->fetchObject())
-			{
-				// Add each id to the array
-				$array[] = $row->id;
-			}
-			return $array;
-		}
-
-		return FALSE;
-	}
-
-	/**
-	 * Fetches a cache item. This will delete the item if it is expired or if
-	 * the hash does not match the stored hash.
-	 *
-	 * @param  string  cache id
-	 * @return mixed|NULL
-	 */
-	public function get($id)
-	{
-		$query = "SELECT id, hash, expiration, cache FROM caches WHERE id = '{$id}' LIMIT 0, 1";
-		$query = $this->db->query($query, SQLITE_BOTH, $error);
-
-		empty($error) or self::log_error($error);
-
-		if (empty($error) AND $cache = $query->fetchObject())
-		{
-			// Make sure the expiration is valid and that the hash matches
-			if (($cache->expiration != 0 AND $cache->expiration <= time()) OR $cache->hash !== sha1($cache->cache))
-			{
-				// Cache is not valid, delete it now
-				$this->delete($cache->id);
-			}
-			else
-			{
-				// Return the valid cache data
-				return $cache->cache;
-			}
-		}
-
-		// No valid cache found
-		return NULL;
-	}
-
-	/**
-	 * Deletes a cache item by id or tag
-	 *
-	 * @param  string  cache id or tag, or TRUE for "all items"
-	 * @param  bool    use tags
-	 * @return bool
-	 */
-	public function delete($id, $tag = FALSE)
-	{
-		if ($id === TRUE)
-		{
-			// Delete all caches
-			$where = '1';
-		}
-		elseif ($tag == FALSE)
-		{
-			// Delete by id
-			$where = "id = '{$id}'";
-		}
-		else
-		{
-			// Delete by tag
-			$where = "tags LIKE '%{$tag}%'";
-		}
-
-		$this->db->unbufferedQuery('DELETE FROM caches WHERE '.$where, SQLITE_BOTH, $error);
-
-		empty($error) or self::log_error($error);
-
-		return empty($error);
-	}
-
-	/**
-	 * Deletes all cache files that are older than the current time.
-	 */
-	public function delete_expired()
-	{
-		// Delete all expired caches
-		$query = 'DELETE FROM caches WHERE expiration != 0 AND expiration <= '.time();
-
-		$this->db->unbufferedQuery($query);
-
-		return TRUE;
-	}
-
-} // End Cache SQLite Driver
\ No newline at end of file
-- 
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