98 lines
2.9 KiB
PHP
98 lines
2.9 KiB
PHP
<?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\AST;
|
|
|
|
/**
|
|
* Abstract class of an AST node
|
|
*
|
|
*
|
|
* @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 Node
|
|
{
|
|
/**
|
|
* Double-dispatch method, supposed to dispatch back to the walker.
|
|
*
|
|
* Implementation is not mandatory for all nodes.
|
|
*
|
|
* @param $walker
|
|
* @return string
|
|
* @throws ASTException
|
|
*/
|
|
public function dispatch($walker)
|
|
{
|
|
throw ASTException::noDispatchForNode($this);
|
|
}
|
|
|
|
/**
|
|
* Dumps the AST Node into a string representation for information purpose only
|
|
*
|
|
* @return string
|
|
*/
|
|
public function __toString()
|
|
{
|
|
return $this->dump($this);
|
|
}
|
|
|
|
public function dump($obj)
|
|
{
|
|
static $ident = 0;
|
|
|
|
$str = '';
|
|
|
|
if ($obj instanceof Node) {
|
|
$str .= get_class($obj) . '(' . PHP_EOL;
|
|
$props = get_object_vars($obj);
|
|
|
|
foreach ($props as $name => $prop) {
|
|
$ident += 4;
|
|
$str .= str_repeat(' ', $ident) . '"' . $name . '": '
|
|
. $this->dump($prop) . ',' . PHP_EOL;
|
|
$ident -= 4;
|
|
}
|
|
|
|
$str .= str_repeat(' ', $ident) . ')';
|
|
} else if (is_array($obj)) {
|
|
$ident += 4;
|
|
$str .= 'array(';
|
|
$some = false;
|
|
|
|
foreach ($obj as $k => $v) {
|
|
$str .= PHP_EOL . str_repeat(' ', $ident) . '"'
|
|
. $k . '" => ' . $this->dump($v) . ',';
|
|
$some = true;
|
|
}
|
|
|
|
$ident -= 4;
|
|
$str .= ($some ? PHP_EOL . str_repeat(' ', $ident) : '') . ')';
|
|
} else if (is_object($obj)) {
|
|
$str .= 'instanceof(' . get_class($obj) . ')';
|
|
} else {
|
|
$str .= var_export($obj, true);
|
|
}
|
|
|
|
return $str;
|
|
}
|
|
}
|