From 2e4dbf98b96adc8731c3101385e47e1f00c21d31 Mon Sep 17 00:00:00 2001
From: Malf Furious <m@lfurio.us>
Date: Sun, 23 Oct 2016 17:21:16 -0400
Subject: Add database class

---
 app/class/database.class.php | 46 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 app/class/database.class.php

diff --git a/app/class/database.class.php b/app/class/database.class.php
new file mode 100644
index 0000000..c791088
--- /dev/null
+++ b/app/class/database.class.php
@@ -0,0 +1,46 @@
+<?php
+
+/*
+ * SCROTT IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * For more information, please refer to UNLICENSE
+ */
+
+/*
+ * This class provides a common interface to a database.  Scrott provides
+ * facilities for interacting with any DBMS that we can use in PHP.  To
+ * provide support for a new DBMS, extend this class and implement the
+ * abstract functions.  Additionally, update the getInstance() function
+ * in this class so that the new implementation is used under appropriate
+ * configuration.
+ */
+abstract class Database
+{
+    private static $instance = NULL;
+
+    /*
+     * Return the database instance object, creating it if this is the
+     * first call to this function.  This function will need maintained
+     * as new DBMSs are supported.
+     */
+    public static function getInstance() : Database
+    {
+        // todo
+    }
+
+    /*
+     * These functions are to be implemented by DBMS extensions,
+     * providing a uniform interface to database engines.
+     */
+    public abstract function close();
+    public abstract function query(string $query) : array;
+    public abstract function esc(string $str) : string;
+}
+
+?>
-- 
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