From 57b8469e674ef082c30b7d1de40d5d53d50b251b Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <fox@madoka.volgo-balt.ru>
Date: Fri, 15 Mar 2013 14:15:06 +0400
Subject: db: use builtin classloader, lowercase class files

---
 classes/Db/Abstract.php  | 56 ---------------------------------
 classes/Db/Interface.php | 18 -----------
 classes/Db/Mysql.php     | 71 ------------------------------------------
 classes/Db/Pgsql.php     | 80 ------------------------------------------------
 classes/db/abstract.php  | 56 +++++++++++++++++++++++++++++++++
 classes/db/interface.php | 18 +++++++++++
 classes/db/mysql.php     | 71 ++++++++++++++++++++++++++++++++++++++++++
 classes/db/pgsql.php     | 80 ++++++++++++++++++++++++++++++++++++++++++++++++
 include/classloader.php  | 15 +++++++++
 include/db.php           | 10 ++----
 include/functions.php    | 16 ++--------
 11 files changed, 245 insertions(+), 246 deletions(-)
 delete mode 100644 classes/Db/Abstract.php
 delete mode 100644 classes/Db/Interface.php
 delete mode 100644 classes/Db/Mysql.php
 delete mode 100644 classes/Db/Pgsql.php
 create mode 100644 classes/db/abstract.php
 create mode 100644 classes/db/interface.php
 create mode 100644 classes/db/mysql.php
 create mode 100644 classes/db/pgsql.php
 create mode 100644 include/classloader.php

diff --git a/classes/Db/Abstract.php b/classes/Db/Abstract.php
deleted file mode 100644
index d84701fd7..000000000
--- a/classes/Db/Abstract.php
+++ /dev/null
@@ -1,56 +0,0 @@
-<?php
-
-abstract class Db_Abstract implements Db_Interface
-{
-    private $dbconn;
-    protected static $instance;
-
-    private function __construct() { }
-
-    public static function instance()
-    {
-        if (is_null(static::$instance)) {
-            static::$instance = new static();
-        }
-
-        return static::$instance;
-    }
-
-    public function connect($host, $user, $pass, $db) { }
-
-    public function getLink()
-    {
-        return $this->dbconn;
-    }
-
-    public function init() { }
-
-    public function escape_string($s, $strip_tags = true) { }
-
-    public function query($query, $die_on_error = true) { }
-
-    public function fetch_assoc($result) { }
-
-    public function num_rows($result) { }
-
-    public function fetch_result($result, $row, $param) { }
-
-    public function unescape_string($str)
-    {
-        $tmp = str_replace("\\\"", "\"", $str);
-        $tmp = str_replace("\\'", "'", $tmp);
-        return $tmp;
-    }
-
-    public function close() { }
-
-    public function affected_rows($result) { }
-
-    public function last_error() { }
-
-    public function quote($str)
-    {
-        return("'$str'");
-    }
-
-}
\ No newline at end of file
diff --git a/classes/Db/Interface.php b/classes/Db/Interface.php
deleted file mode 100644
index c5bfad56f..000000000
--- a/classes/Db/Interface.php
+++ /dev/null
@@ -1,18 +0,0 @@
-<?php
-
-interface Db_Interface
-{
-    public function connect($host, $user, $pass, $db);
-    public function getLink();
-    public function init();
-    public function escape_string($s, $strip_tags = true);
-    public function query($query, $die_on_error = true);
-    public function fetch_assoc($result);
-    public function num_rows($result);
-    public function fetch_result($result, $row, $param);
-    public function unescape_string($str);
-    public function close();
-    public function affected_rows($result);
-    public function last_error();
-    public function quote($str);
-}
diff --git a/classes/Db/Mysql.php b/classes/Db/Mysql.php
deleted file mode 100644
index 170628304..000000000
--- a/classes/Db/Mysql.php
+++ /dev/null
@@ -1,71 +0,0 @@
-<?php
-
-class Db_Mysql extends Db_Abstract
-{
-    public function connect($host, $user, $pass, $db)
-    {
-        $link = mysql_connect($host, $user, $pass);
-        if ($link) {
-            $result = mysql_select_db($db, $link);
-            if (!$result) {
-                die("Can't select DB: " . mysql_error($link));
-            }
-            $this->dbconn = $link;
-            return $link;
-        } else {
-            die("Unable to connect to database (as $user to $host, database $db): " . mysql_error());
-        }
-    }
-
-    public function init()
-    {
-        db_query($this->dbconn, "SET time_zone = '+0:0'");
-
-        if (defined('MYSQL_CHARSET') && MYSQL_CHARSET) {
-            db_query($this->dbconn, "SET NAMES " . MYSQL_CHARSET);
-        }
-    }
-
-    public function escape_string($s, $strip_tags = true)
-    {
-        if ($strip_tags) $s = strip_tags($s);
-        return mysql_real_escape_string($s);
-    }
-
-    public function query($query, $die_on_error = true)
-    {
-        $result = mysql_query($query, $this->dbconn);
-        if (!$result) {
-            $query = htmlspecialchars($query);
-            if ($die_on_error) {
-                die("Query <i>$query</i> failed: " . ($this->dbconn ? mysql_error($this->dbconn) : "No connection"));
-            }
-        }
-        return $result;
-    }
-
-    public function fetch_assoc($result) {
-        return mysql_fetch_assoc($result);
-    }
-
-    public function num_rows($result) {
-        return mysql_num_rows($result);
-    }
-
-    public function fetch_result($result, $row, $param) {
-        // I hate incoherent naming of PHP functions
-        return mysql_result($result, $row, $param);
-    }
-
-    public function close() {
-        return mysql_close($this->dbconn);
-    }
-
-    public function affected_rows($result) {
-        return mysql_affected_rows($this->dbconn);
-    }
-
-    public function last_error() {
-        return mysql_error($this->dbconn);
-    }
-}
diff --git a/classes/Db/Pgsql.php b/classes/Db/Pgsql.php
deleted file mode 100644
index 39ed181d7..000000000
--- a/classes/Db/Pgsql.php
+++ /dev/null
@@ -1,80 +0,0 @@
-<?php
-
-class Db_Pgsql extends Db_Abstract
-{
-    public function connect($host, $user, $pass, $db)
-    {
-        $string = "dbname=$db user=$user";
-
-        if ($pass) {
-            $string .= " password=$pass";
-        }
-
-        if ($host) {
-            $string .= " host=$host";
-        }
-
-        if (defined('DB_PORT')) {
-            $string = "$string port=" . DB_PORT;
-        }
-
-        $link = pg_connect($string);
-
-        if (!$link) {
-            die("Unable to connect to database (as $user to $host, database $db):" . pg_last_error());
-        }
-
-        $this->dbconn = $link;
-        return $link;
-    }
-
-    public function init()
-    {
-        pg_query($this->dbconn, "set client_encoding = 'UTF-8'");
-        pg_set_client_encoding("UNICODE");
-        pg_query($this->dbconn, "set datestyle = 'ISO, european'");
-        pg_query($this->dbconn, "set TIME ZONE 0");
-    }
-
-    public function escape_string($s, $strip_tags = true)
-    {
-        if ($strip_tags) $s = strip_tags($s);
-        return pg_escape_string($s);
-    }
-
-    public function query($query, $die_on_error = true)
-    {
-        $result = pg_query($this->dbconn, $query);
-        if (!$result) {
-            $query = htmlspecialchars($query); // just in case
-            if ($die_on_error) {
-                die("Query <i>$query</i> failed [$result]: " . ($this->dbconn ? pg_last_error($this->dbconn) : "No connection"));
-            }
-        }
-        return $result;
-    }
-
-    public function fetch_assoc($result) {
-        return pg_fetch_assoc($result);
-    }
-
-    public function num_rows($result) {
-        return pg_num_rows($result);
-    }
-
-    public function fetch_result($result, $row, $param) {
-        return pg_fetch_result($result, $row, $param);
-    }
-
-    public function close() {
-        return pg_close($this->dbconn);
-    }
-
-    public function affected_rows($result) {
-        return pg_affected_rows($result);
-    }
-
-    public function last_error() {
-        return pg_last_error($this->dbconn);
-    }
-}
diff --git a/classes/db/abstract.php b/classes/db/abstract.php
new file mode 100644
index 000000000..d84701fd7
--- /dev/null
+++ b/classes/db/abstract.php
@@ -0,0 +1,56 @@
+<?php
+
+abstract class Db_Abstract implements Db_Interface
+{
+    private $dbconn;
+    protected static $instance;
+
+    private function __construct() { }
+
+    public static function instance()
+    {
+        if (is_null(static::$instance)) {
+            static::$instance = new static();
+        }
+
+        return static::$instance;
+    }
+
+    public function connect($host, $user, $pass, $db) { }
+
+    public function getLink()
+    {
+        return $this->dbconn;
+    }
+
+    public function init() { }
+
+    public function escape_string($s, $strip_tags = true) { }
+
+    public function query($query, $die_on_error = true) { }
+
+    public function fetch_assoc($result) { }
+
+    public function num_rows($result) { }
+
+    public function fetch_result($result, $row, $param) { }
+
+    public function unescape_string($str)
+    {
+        $tmp = str_replace("\\\"", "\"", $str);
+        $tmp = str_replace("\\'", "'", $tmp);
+        return $tmp;
+    }
+
+    public function close() { }
+
+    public function affected_rows($result) { }
+
+    public function last_error() { }
+
+    public function quote($str)
+    {
+        return("'$str'");
+    }
+
+}
\ No newline at end of file
diff --git a/classes/db/interface.php b/classes/db/interface.php
new file mode 100644
index 000000000..c5bfad56f
--- /dev/null
+++ b/classes/db/interface.php
@@ -0,0 +1,18 @@
+<?php
+
+interface Db_Interface
+{
+    public function connect($host, $user, $pass, $db);
+    public function getLink();
+    public function init();
+    public function escape_string($s, $strip_tags = true);
+    public function query($query, $die_on_error = true);
+    public function fetch_assoc($result);
+    public function num_rows($result);
+    public function fetch_result($result, $row, $param);
+    public function unescape_string($str);
+    public function close();
+    public function affected_rows($result);
+    public function last_error();
+    public function quote($str);
+}
diff --git a/classes/db/mysql.php b/classes/db/mysql.php
new file mode 100644
index 000000000..170628304
--- /dev/null
+++ b/classes/db/mysql.php
@@ -0,0 +1,71 @@
+<?php
+
+class Db_Mysql extends Db_Abstract
+{
+    public function connect($host, $user, $pass, $db)
+    {
+        $link = mysql_connect($host, $user, $pass);
+        if ($link) {
+            $result = mysql_select_db($db, $link);
+            if (!$result) {
+                die("Can't select DB: " . mysql_error($link));
+            }
+            $this->dbconn = $link;
+            return $link;
+        } else {
+            die("Unable to connect to database (as $user to $host, database $db): " . mysql_error());
+        }
+    }
+
+    public function init()
+    {
+        db_query($this->dbconn, "SET time_zone = '+0:0'");
+
+        if (defined('MYSQL_CHARSET') && MYSQL_CHARSET) {
+            db_query($this->dbconn, "SET NAMES " . MYSQL_CHARSET);
+        }
+    }
+
+    public function escape_string($s, $strip_tags = true)
+    {
+        if ($strip_tags) $s = strip_tags($s);
+        return mysql_real_escape_string($s);
+    }
+
+    public function query($query, $die_on_error = true)
+    {
+        $result = mysql_query($query, $this->dbconn);
+        if (!$result) {
+            $query = htmlspecialchars($query);
+            if ($die_on_error) {
+                die("Query <i>$query</i> failed: " . ($this->dbconn ? mysql_error($this->dbconn) : "No connection"));
+            }
+        }
+        return $result;
+    }
+
+    public function fetch_assoc($result) {
+        return mysql_fetch_assoc($result);
+    }
+
+    public function num_rows($result) {
+        return mysql_num_rows($result);
+    }
+
+    public function fetch_result($result, $row, $param) {
+        // I hate incoherent naming of PHP functions
+        return mysql_result($result, $row, $param);
+    }
+
+    public function close() {
+        return mysql_close($this->dbconn);
+    }
+
+    public function affected_rows($result) {
+        return mysql_affected_rows($this->dbconn);
+    }
+
+    public function last_error() {
+        return mysql_error($this->dbconn);
+    }
+}
diff --git a/classes/db/pgsql.php b/classes/db/pgsql.php
new file mode 100644
index 000000000..39ed181d7
--- /dev/null
+++ b/classes/db/pgsql.php
@@ -0,0 +1,80 @@
+<?php
+
+class Db_Pgsql extends Db_Abstract
+{
+    public function connect($host, $user, $pass, $db)
+    {
+        $string = "dbname=$db user=$user";
+
+        if ($pass) {
+            $string .= " password=$pass";
+        }
+
+        if ($host) {
+            $string .= " host=$host";
+        }
+
+        if (defined('DB_PORT')) {
+            $string = "$string port=" . DB_PORT;
+        }
+
+        $link = pg_connect($string);
+
+        if (!$link) {
+            die("Unable to connect to database (as $user to $host, database $db):" . pg_last_error());
+        }
+
+        $this->dbconn = $link;
+        return $link;
+    }
+
+    public function init()
+    {
+        pg_query($this->dbconn, "set client_encoding = 'UTF-8'");
+        pg_set_client_encoding("UNICODE");
+        pg_query($this->dbconn, "set datestyle = 'ISO, european'");
+        pg_query($this->dbconn, "set TIME ZONE 0");
+    }
+
+    public function escape_string($s, $strip_tags = true)
+    {
+        if ($strip_tags) $s = strip_tags($s);
+        return pg_escape_string($s);
+    }
+
+    public function query($query, $die_on_error = true)
+    {
+        $result = pg_query($this->dbconn, $query);
+        if (!$result) {
+            $query = htmlspecialchars($query); // just in case
+            if ($die_on_error) {
+                die("Query <i>$query</i> failed [$result]: " . ($this->dbconn ? pg_last_error($this->dbconn) : "No connection"));
+            }
+        }
+        return $result;
+    }
+
+    public function fetch_assoc($result) {
+        return pg_fetch_assoc($result);
+    }
+
+    public function num_rows($result) {
+        return pg_num_rows($result);
+    }
+
+    public function fetch_result($result, $row, $param) {
+        return pg_fetch_result($result, $row, $param);
+    }
+
+    public function close() {
+        return pg_close($this->dbconn);
+    }
+
+    public function affected_rows($result) {
+        return pg_affected_rows($result);
+    }
+
+    public function last_error() {
+        return pg_last_error($this->dbconn);
+    }
+}
diff --git a/include/classloader.php b/include/classloader.php
new file mode 100644
index 000000000..4b8b3738e
--- /dev/null
+++ b/include/classloader.php
@@ -0,0 +1,15 @@
+<?php
+	function __autoload($class) {
+		$class_file1 = str_replace("_", "/", basename($class));   // PSR-0
+		$class_file2 = str_replace("_", "/", strtolower(basename($class)));
+
+		$file1 = dirname(__FILE__)."/../classes/$class_file1.php";
+		$file2 = dirname(__FILE__)."/../classes/$class_file2.php";
+
+		if (file_exists($file1)) {
+			require $file1;
+		} elseif (file_exists($file2)) {
+			require $file2;
+		}
+	}
+?>
diff --git a/include/db.php b/include/db.php
index 28718fb02..020fd08a4 100644
--- a/include/db.php
+++ b/include/db.php
@@ -1,13 +1,9 @@
 <?php
 
 require_once "config.php";
+require_once "classloader.php";
 
-$db_class = 'Db_'.ucfirst(DB_TYPE);
-$db_class_file = 'classes/' . str_replace('_', '/', $db_class) . '.php';
-
-require_once "classes/Db/Interface.php";
-require_once "classes/Db/Abstract.php";
-require_once $db_class_file;
+$db_class = 'db_'.lcfirst(DB_TYPE);
 
 $db = $db_class::instance(); //  call_user_func(array($db_class, 'instance'));
 
@@ -66,4 +62,4 @@ function db_quote($str){
     return $db->quote($str);
 }
 
-?>
\ No newline at end of file
+?>
diff --git a/include/functions.php b/include/functions.php
index 4dc286eb6..caea2576a 100644
--- a/include/functions.php
+++ b/include/functions.php
@@ -5,19 +5,7 @@
 	$fetch_last_error = false;
 	$pluginhost = false;
 
-	function __autoload($class) {
-		$class_file1 = str_replace("_", "/", basename($class));   // PSR-0
-		$class_file2 = str_replace("_", "/", strtolower(basename($class)));
-
-		$file1 = dirname(__FILE__)."/../classes/$class_file1.php";
-		$file2 = dirname(__FILE__)."/../classes/$class_file2.php";
-
-		if (file_exists($file1)) {
-			require $file1;
-		} elseif (file_exists($file2)) {
-			require $file2;
-		}
-	}
+	require_once "classloader.php";
 
 	mb_internal_encoding("UTF-8");
 	date_default_timezone_set('UTC');
@@ -3903,4 +3891,4 @@
 		return in_array($interface, class_implements($class));
 	}
 
-?>
\ No newline at end of file
+?>
-- 
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