Рефакторинг

src/Database/PDOStatement.php

@@ -0,0 +1,97 @@
+<?php
+
+require_once 'tools/string.php';
+
+class Database_PDOStatement extends PDOStatement implements IteratorAggregate
+{
+    protected $cursorPos = 0;
+    public $cache = array();   
+    public $fields;
+
+    function getIterator() {
+        return new Database_StatementIterator($this);
+    }
+
+    protected function __construct() {    
+    }
+
+    function rewind() {        
+        $this->cursorPos = 0;
+    }
+
+	public function seek($rownum) {
+		if ($rownum < 0) {
+			return false;
+		}
+		
+		// PostgreSQL rows start w/ 0, but this works, because we are
+		// looking to move the position _before_ the next desired position
+		$this->cursorPos = $rownum;
+		return true;
+	}
+
+    function valid() {
+		return true;
+    }
+
+
+    public function first() {
+        if($this->cursorPos !== 0) { $this->seek(0); }
+        return $this->next();
+    }
+
+    function next() {
+        if ($this->getRecordCount() > $this->cursorPos) {
+            if (!isset($this->cache[$this->cursorPos])) {
+                $this->cache[$this->cursorPos] = $this->fetch(PDO::FETCH_ASSOC);
+            } 
+            $this->fields = $this->cache[$this->cursorPos];
+
+            $this->cursorPos++;
+            return true;
+        } else {
+            $this->fields = null;
+            return false;
+        }
+    }
+
+    function key() {
+        return $this->cursorPos;
+    }
+
+    function current() {
+       return $this->cache[$this->cursorPos];
+    }
+
+    function getRow() {
+        return $this->fields;
+    }
+
+    function getInt($name) {
+        return intval($this->fields[$name]);
+    }
+
+    function getBlob($name) {
+        return $this->fields[$name];
+    }
+
+    function getString($name) {
+        return $this->fields[$name];
+    }
+
+    function getBoolean($name) {
+        return (bool)$this->fields[$name];
+    }
+
+    function get($name) {
+        return $this->fields[$name];
+    }
+
+    function getArray($name) {
+        return strToArray($this->fields[$name]);
+    }
+
+    function getRecordCount() {
+        return count($this->cache);
+    }
+}