<?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 MailPoetVendor\Doctrine\ORM\Query;

if (!defined('ABSPATH')) exit;


/**
 * Scans a DQL query for tokens.
 *
 * @author Guilherme Blanco <guilhermeblanco@hotmail.com>
 * @author Janne Vanhala <jpvanhal@cc.hut.fi>
 * @author Roman Borschel <roman@code-factory.org>
 * @since 2.0
 */
class Lexer extends \MailPoetVendor\Doctrine\Common\Lexer
{
    // All tokens that are not valid identifiers must be < 100
    const T_NONE = 1;
    const T_INTEGER = 2;
    const T_STRING = 3;
    const T_INPUT_PARAMETER = 4;
    const T_FLOAT = 5;
    const T_CLOSE_PARENTHESIS = 6;
    const T_OPEN_PARENTHESIS = 7;
    const T_COMMA = 8;
    const T_DIVIDE = 9;
    const T_DOT = 10;
    const T_EQUALS = 11;
    const T_GREATER_THAN = 12;
    const T_LOWER_THAN = 13;
    const T_MINUS = 14;
    const T_MULTIPLY = 15;
    const T_NEGATE = 16;
    const T_PLUS = 17;
    const T_OPEN_CURLY_BRACE = 18;
    const T_CLOSE_CURLY_BRACE = 19;
    // All tokens that are also identifiers should be >= 100
    const T_IDENTIFIER = 100;
    const T_ALL = 101;
    const T_AND = 102;
    const T_ANY = 103;
    const T_AS = 104;
    const T_ASC = 105;
    const T_AVG = 106;
    const T_BETWEEN = 107;
    const T_BOTH = 108;
    const T_BY = 109;
    const T_CASE = 110;
    const T_COALESCE = 111;
    const T_COUNT = 112;
    const T_DELETE = 113;
    const T_DESC = 114;
    const T_DISTINCT = 115;
    const T_ELSE = 116;
    const T_EMPTY = 117;
    const T_END = 118;
    const T_ESCAPE = 119;
    const T_EXISTS = 120;
    const T_FALSE = 121;
    const T_FROM = 122;
    const T_GROUP = 123;
    const T_HAVING = 124;
    const T_HIDDEN = 125;
    const T_IN = 126;
    const T_INDEX = 127;
    const T_INNER = 128;
    const T_INSTANCE = 129;
    const T_IS = 130;
    const T_JOIN = 131;
    const T_LEADING = 132;
    const T_LEFT = 133;
    const T_LIKE = 134;
    const T_MAX = 135;
    const T_MEMBER = 136;
    const T_MIN = 137;
    const T_NOT = 138;
    const T_NULL = 139;
    const T_NULLIF = 140;
    const T_OF = 141;
    const T_OR = 142;
    const T_ORDER = 143;
    const T_OUTER = 144;
    const T_SELECT = 145;
    const T_SET = 146;
    const T_SOME = 147;
    const T_SUM = 148;
    const T_THEN = 149;
    const T_TRAILING = 150;
    const T_TRUE = 151;
    const T_UPDATE = 152;
    const T_WHEN = 153;
    const T_WHERE = 154;
    const T_WITH = 155;
    const T_PARTIAL = 156;
    const T_NEW = 157;
    /**
     * Creates a new query scanner object.
     *
     * @param string $input A query string.
     */
    public function __construct($input)
    {
        $this->setInput($input);
    }
    /**
     * @inheritdoc
     */
    protected function getCatchablePatterns()
    {
        return array('[a-z_\\\\][a-z0-9_\\:\\\\]*[a-z0-9_]{1}', '(?:[0-9]+(?:[\\.][0-9]+)*)(?:e[+-]?[0-9]+)?', "'(?:[^']|'')*'", '\\?[0-9]*|:[a-z_][a-z0-9_]*');
    }
    /**
     * @inheritdoc
     */
    protected function getNonCatchablePatterns()
    {
        return array('\\s+', '(.)');
    }
    /**
     * @inheritdoc
     */
    protected function getType(&$value)
    {
        $type = self::T_NONE;
        switch (\true) {
            // Recognize numeric values
            case \is_numeric($value):
                if (\strpos($value, '.') !== \false || \stripos($value, 'e') !== \false) {
                    return self::T_FLOAT;
                }
                return self::T_INTEGER;
            // Recognize quoted strings
            case $value[0] === "'":
                $value = \str_replace("''", "'", \substr($value, 1, \strlen($value) - 2));
                return self::T_STRING;
            // Recognize identifiers
            case \ctype_alpha($value[0]) || $value[0] === '_':
                $name = 'MailPoetVendor\\Doctrine\\ORM\\Query\\Lexer::T_' . \strtoupper($value);
                if (\defined($name)) {
                    $type = \constant($name);
                    if ($type > 100) {
                        return $type;
                    }
                }
                return self::T_IDENTIFIER;
            // Recognize input parameters
            case $value[0] === '?' || $value[0] === ':':
                return self::T_INPUT_PARAMETER;
            // Recognize symbols
            case $value === '.':
                return self::T_DOT;
            case $value === ',':
                return self::T_COMMA;
            case $value === '(':
                return self::T_OPEN_PARENTHESIS;
            case $value === ')':
                return self::T_CLOSE_PARENTHESIS;
            case $value === '=':
                return self::T_EQUALS;
            case $value === '>':
                return self::T_GREATER_THAN;
            case $value === '<':
                return self::T_LOWER_THAN;
            case $value === '+':
                return self::T_PLUS;
            case $value === '-':
                return self::T_MINUS;
            case $value === '*':
                return self::T_MULTIPLY;
            case $value === '/':
                return self::T_DIVIDE;
            case $value === '!':
                return self::T_NEGATE;
            case $value === '{':
                return self::T_OPEN_CURLY_BRACE;
            case $value === '}':
                return self::T_CLOSE_CURLY_BRACE;
            // Default
            default:
        }
        return $type;
    }
}
