the whole shebang

vendor/doctrine/collections/lib/Doctrine/Common/Collections/Expr/CompositeExpression.php

@@ -0,0 +1,90 @@
+<?php
+/*
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * This software consists of voluntary contributions made by many individuals
+ * and is licensed under the MIT license. For more information, see
+ * <http://www.doctrine-project.org>.
+ */
+
+namespace Doctrine\Common\Collections\Expr;
+
+/**
+ * Expression of Expressions combined by AND or OR operation.
+ *
+ * @author Benjamin Eberlei <kontakt@beberlei.de>
+ * @since  2.3
+ */
+class CompositeExpression implements Expression
+{
+    const TYPE_AND = 'AND';
+    const TYPE_OR = 'OR';
+
+    /**
+     * @var string
+     */
+    private $type;
+
+    /**
+     * @var Expression[]
+     */
+    private $expressions = array();
+
+    /**
+     * @param string $type
+     * @param array  $expressions
+     *
+     * @throws \RuntimeException
+     */
+    public function __construct($type, array $expressions)
+    {
+        $this->type = $type;
+
+        foreach ($expressions as $expr) {
+            if ($expr instanceof Value) {
+                throw new \RuntimeException("Values are not supported expressions as children of and/or expressions.");
+            }
+            if ( ! ($expr instanceof Expression)) {
+                throw new \RuntimeException("No expression given to CompositeExpression.");
+            }
+
+            $this->expressions[] = $expr;
+        }
+    }
+
+    /**
+     * Returns the list of expressions nested in this composite.
+     *
+     * @return Expression[]
+     */
+    public function getExpressionList()
+    {
+        return $this->expressions;
+    }
+
+    /**
+     * @return string
+     */
+    public function getType()
+    {
+        return $this->type;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function visit(ExpressionVisitor $visitor)
+    {
+        return $visitor->walkCompositeExpression($this);
+    }
+}