Rajout de doctrine/orm

[zf2.biz/galerie.git] / vendor / doctrine / orm / lib / Doctrine / ORM / Query / Expr / Base.php

diff --git a/vendor/doctrine/orm/lib/Doctrine/ORM/Query/Expr/Base.php b/vendor/doctrine/orm/lib/Doctrine/ORM/Query/Expr/Base.php
new file mode 100644 (file)
index 0000000..a2bc98c
--- /dev/null
+++ b/vendor/doctrine/orm/lib/Doctrine/ORM/Query/Expr/Base.php
@@ -0,0 +1,121 @@
+<?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\ORM\Query\Expr;
+
+/**
+ * Abstract base Expr class for building DQL parts
+ *
+ * 
+ * @link    www.doctrine-project.org
+ * @since   2.0
+ * @author  Guilherme Blanco <guilhermeblanco@hotmail.com>
+ * @author  Jonathan Wage <jonwage@gmail.com>
+ * @author  Roman Borschel <roman@code-factory.org>
+ */
+abstract class Base
+{
+    /**
+     * @var string
+     */
+    protected $preSeparator = '(';
+
+    /**
+     * @var string
+     */
+    protected $separator = ', ';
+
+    /**
+     * @var string
+     */
+    protected $postSeparator = ')';
+
+    /**
+     * @var array
+     */
+    protected $allowedClasses = array();
+
+    /**
+     * @var array
+     */
+    protected $parts = array();
+
+    /**
+     * @param array $args
+     */
+    public function __construct($args = array())
+    {
+        $this->addMultiple($args);
+    }
+
+    /**
+     * @param   array $args
+     * @return  Base
+     */
+    public function addMultiple($args = array())
+    {
+        foreach ((array) $args as $arg) {
+            $this->add($arg);
+        }
+
+        return $this;
+    }
+
+    /**
+     * @param   mixed $arg
+     * @return  Base
+     */
+    public function add($arg)
+    {
+        if ( $arg !== null || ($arg instanceof self && $arg->count() > 0) ) {
+            // If we decide to keep Expr\Base instances, we can use this check
+            if ( ! is_string($arg)) {
+                $class = get_class($arg);
+
+                if ( ! in_array($class, $this->allowedClasses)) {
+                    throw new \InvalidArgumentException("Expression of type '$class' not allowed in this context.");
+                }
+            }
+
+            $this->parts[] = $arg;
+        }
+
+        return $this;
+    }
+
+    /**
+     * @return integer
+     */
+    public function count()
+    {
+        return count($this->parts);
+    }
+
+    /**
+     * @return string
+     */
+    public function __toString()
+    {
+        if ($this->count() == 1) {
+            return (string) $this->parts[0];
+        }
+
+        return $this->preSeparator . implode($this->separator, $this->parts) . $this->postSeparator;
+    }
+}