fix: Missing class OdbcResultSet

src/Db/OdbcResultSet.php

@@ -0,0 +1,122 @@
+<?php
+namespace Bsr\Db;
+
+class OdbcResultSet implements \Iterator, \ArrayAccess, \Countable
+{
+    public $length;
+
+    private $results;
+    private $error = false;
+    private $num_fields;
+    private $num_rows;
+    private $cursor_index;
+
+    public function __construct($resultset)
+    {
+        $this->results = $resultset;
+        $this->num_fields = is_array(current($resultset)) ? count(current($resultset)) : count($resultset);
+        $this->num_rows = count($this->results);
+        $this->length = $this->num_rows;
+        $this->cursor_index = 0;
+    }
+
+    public function get_num_rows()
+    {
+        return $this->num_rows;
+    }
+
+    public function count() {
+        return $this->get_num_rows();
+    }
+
+    public function is_error()
+    {
+        return ($this->error ? true : false);
+    }
+
+    public function get_error()
+    {
+        return $this->error;
+    }
+
+    public function get_row()
+    {
+        return $this->current();
+    }
+
+    public function to_array()
+    {
+        return $this->results;
+    }
+
+    // ArrayAccess
+    /**
+     * @param int $offset
+     * @return bool
+     */
+    public function offsetExists($offset)
+    {
+        return !$this->error && $this->cursor_index < $this->length && $this->cursor_index >= 0;
+    }
+
+    /**
+     * @param int $offset
+     * @return bool|array
+     */
+    public function offsetGet($offset)
+    {
+        return $this->offsetExists($offset) ? $this->results[$offset] : false;
+    }
+
+    public function offsetSet($offset, $value)
+    {
+        if($this->offsetExists($offset)) {
+            $this->results[$offset] = $value;
+        }
+    }
+
+    public function offsetUnset($offset)
+    {
+        throw new \RuntimeException("This makes no sense at all.");
+    }
+
+    // Iterator
+    /**
+     * @return bool|array
+     */
+    public function current()
+    {
+        return $this->offsetGet($this->cursor_index);
+    }
+
+    /**
+     * @return int
+     */
+    public function key()
+    {
+        return $this->cursor_index;
+    }
+
+    /**
+     * @return array|bool
+     */
+    public function next()
+    {
+        $current = $this->current();
+        ++$this->cursor_index;
+        return $current;
+    }
+
+    public function rewind()
+    {
+        $this->cursor_index = 0;
+    }
+
+    /**
+     * @return bool
+     */
+    public function valid()
+    {
+        return $this->offsetExists($this->cursor_index);
+    }
+}