/usr/share/php/Doctrine/ORM/Query/Printer.php is in php-doctrine-orm 2.5.14+dfsg-1.
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/*
* 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;
/**
* A parse tree printer for Doctrine Query Language parser.
*
* @author Janne Vanhala <jpvanhal@cc.hut.fi>
* @license http://www.opensource.org/licenses/mit-license.php MIT
* @link http://www.phpdoctrine.org
* @since 2.0
*/
class Printer
{
/**
* Current indentation level
*
* @var int
*/
protected $_indent = 0;
/**
* Defines whether parse tree is printed (default, false) or not (true).
*
* @var bool
*/
protected $_silent;
/**
* Constructs a new parse tree printer.
*
* @param bool $silent Parse tree will not be printed if true.
*/
public function __construct($silent = false)
{
$this->_silent = $silent;
}
/**
* Prints an opening parenthesis followed by production name and increases
* indentation level by one.
*
* This method is called before executing a production.
*
* @param string $name Production name.
*
* @return void
*/
public function startProduction($name)
{
$this->println('(' . $name);
$this->_indent++;
}
/**
* Decreases indentation level by one and prints a closing parenthesis.
*
* This method is called after executing a production.
*
* @return void
*/
public function endProduction()
{
$this->_indent--;
$this->println(')');
}
/**
* Prints text indented with spaces depending on current indentation level.
*
* @param string $str The text.
*
* @return void
*/
public function println($str)
{
if ( ! $this->_silent) {
echo str_repeat(' ', $this->_indent), $str, "\n";
}
}
}
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