X-Git-Url: https://git.m6w6.name/?p=m6w6%2Fpq-gateway;a=blobdiff_plain;f=lib%2Fpq%2FQuery%2FExpressible.php;fp=lib%2Fpq%2FQuery%2FExpressible.php;h=ffcf7c2c0f0936d0b693ece11846b85261492156;hp=0000000000000000000000000000000000000000;hb=dc87da9c4ec52918e34f2e43eac3014f0f99a8bc;hpb=519b07c17830f76e97b269a4b2a4936b02a4eae7

diff --git a/lib/pq/Query/Expressible.php b/lib/pq/Query/Expressible.php
new file mode 100644
index 0000000..ffcf7c2
--- /dev/null
+++ b/lib/pq/Query/Expressible.php
@@ -0,0 +1,72 @@
+<?php
+
+namespace pq\Query;
+
+class Expressible implements ExpressibleInterface
+{
+	/**
+	 * @var mixed
+	 */
+	protected $data;
+	
+	function __construct($data) {
+		$this->data = $data;
+	}
+	
+	/**
+	 * Get value as string
+	 * @return string
+	 */
+	function __toString() {
+		return (string) $this->data;
+	}
+	
+	/**
+	 * Test whether the value is an unevaluated expression
+	 * @return bool
+	 */
+	function isExpr() {
+		return $this->data instanceof Expr;
+	}
+
+	/**
+	 * Get value
+	 * @return mixed
+	 */
+	function get() {
+		return $this->data;
+	}
+	
+	/**
+	 * Set the value
+	 * @param mixed $data
+	 * @return \pq\Query\Expressible
+	 */
+	function set($data) {
+		$this->data = $data;
+		return $this;
+	}
+	
+	/**
+	 * Modify the data
+	 * @param mixed $data
+	 * @param string $op a specific operator
+	 * @return \pq\Query\Expressible
+	 */
+	function mod($data, $op = null) {
+		if (!($this->data instanceof Expr)) {
+			$this->data = new Expr($this->name);
+		}
+		
+		if ($data instanceof Expr) {
+			$this->data->add($data);
+		} elseif (!isset($op) && is_numeric($data)) {
+			$this->data->add(new Expr("+ $data"));
+		} else {
+			$data = $this->row->getTable()->getConnection()->quote($data);
+			$this->data->add(new Expr("%s %s", isset($op) ? $op : "||", $data));
+		}
+		
+		return $this;
+	}		
+}
\ No newline at end of file