vendor/doctrine/annotations/lib/Doctrine/Common/Annotations/DocLexer.php

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<?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\Annotations;

use Doctrine\Common\Lexer\AbstractLexer;

/**
 * Simple lexer for docblock annotations.
 *
 * @author Benjamin Eberlei <kontakt@beberlei.de>
 * @author Guilherme Blanco <guilhermeblanco@hotmail.com>
 * @author Jonathan Wage <jonwage@gmail.com>
 * @author Roman Borschel <roman@code-factory.org>
 * @author Johannes M. Schmitt <schmittjoh@gmail.com>
 */
final class DocLexer extends AbstractLexer
{
    const T_NONE                = 1;
    const T_INTEGER             = 2;
    const T_STRING              = 3;
    const T_FLOAT               = 4;

    // All tokens that are also identifiers should be >= 100
    const T_IDENTIFIER          = 100;
    const T_AT                  = 101;
    const T_CLOSE_CURLY_BRACES  = 102;
    const T_CLOSE_PARENTHESIS   = 103;
    const T_COMMA               = 104;
    const T_EQUALS              = 105;
    const T_FALSE               = 106;
    const T_NAMESPACE_SEPARATOR = 107;
    const T_OPEN_CURLY_BRACES   = 108;
    const T_OPEN_PARENTHESIS    = 109;
    const T_TRUE                = 110;
    const T_NULL                = 111;
    const T_COLON               = 112;

    /**
     * @var array
     */
    protected $noCase = array(
        '@'  => self::T_AT,
        ','  => self::T_COMMA,