<?php

namespace Doctrine\Common\Annotations;

use Doctrine\Common\Lexer\AbstractLexer;

use function ctype_alpha;
use function is_numeric;
use function str_replace;
use function stripos;
use function strlen;
use function strpos;
use function strtolower;
use function substr;

/**
 * Simple lexer for docblock annotations.
 *
 * @template-extends AbstractLexer<DocLexer::T_*, string>
 */
final class DocLexer extends AbstractLexer
{
    public const T_NONE = 1;
    public const T_INTEGER = 2;
    public const T_STRING = 3;
    public const T_FLOAT = 4;
    public const T_IDENTIFIER = 100;
    public const T_AT = 101;
    public const T_CLOSE_CURLY_BRACES = 102;
    public const T_CLOSE_PARENTHESIS = 103;
    public const T_COMMA = 104;
    public const T_EQUALS = 105;
    public const T_FALSE = 106;
    public const T_NAMESPACE_SEPARATOR = 107;
    public const T_OPEN_CURLY_BRACES = 108;
    public const T_OPEN_PARENTHESIS = 109;
    public const T_TRUE = 110;
    public const T_NULL = 111;
    public const T_COLON = 112;
    public const T_MINUS = 113;

    /** @var array<string, self::T*> */
    protected $noCase = [
        '@' => self::T_AT,
        ',' => self::T_COMMA,
        '(' => self::T_OPEN_PARENTHESIS,
        ')' => self::T_CLOSE_PARENTHESIS,
        '{' => self::T_OPEN_CURLY_BRACES,
        '}' => self::T_CLOSE_CURLY_BRACES,
        '=' => self::T_EQUALS,
        ':' => self::T_COLON,
        '-' => self::T_MINUS,
        '\\' => self::T_NAMESPACE_SEPARATOR,
    ];

    /** @var array<string, self::T*> */
    protected $withCase = ['true' => self::T_TRUE, 'false' => self::T_FALSE, 'null' => self::T_NULL];

    /**
     * Whether the next token starts immediately, or if there were
     * non-captured symbols before that
     */
    public function nextTokenIsAdjacent(): bool
    {
        return $this->token === null
            || ($this->lookahead !== null
                && ($this->lookahead['position'] - $this->token['position']) === strlen($this->token['value']));
    }

    /**
     * {@inheritDoc}
     */
    protected function getCatchablePatterns()
    {
        return [
            '[a-z_\\\][a-z0-9_\:\\\]*[a-z_][a-z0-9_]*',
            '(?:[+-]?[0-9]+(?:[\.][0-9]+)*)(?:[eE][+-]?[0-9]+)?',
            '"(?:""|[^"])*+"',
        ];
    }

    /**
     * {@inheritDoc}
     */
    protected function getNonCatchablePatterns()
    {
        return ['\s+', '\*+', '(.)'];
    }

    /**
     * {@inheritDoc}
     */
    protected function getType(&$value)
    {
        $type = self::T_NONE;

        if ($value[0] === '"') {
            $value = str_replace('""', '"', substr($value, 1, strlen($value) - 2));

            return self::T_STRING;
        }

        if (isset($this->noCase[$value])) {
            return $this->noCase[$value];
        }

        if ($value[0] === '_' || $value[0] === '\\' || ctype_alpha($value[0])) {
            return self::T_IDENTIFIER;
        }

        $lowerValue = strtolower($value);

        if (isset($this->withCase[$lowerValue])) {
            return $this->withCase[$lowerValue];
        }

        // Checking numeric value
        if (is_numeric($value)) {
            return strpos($value, '.') !== false || stripos($value, 'e') !== false
                ? self::T_FLOAT : self::T_INTEGER;
        }

        return $type;
    }

    /**
     * @return array{value: int|string, type:self::T_*|null, position:int}
     */
    public function peek(): ?array
    {
        $token = parent::peek();

        if ($token === null) {
            return null;
        }

        return (array) $token;
    }
}__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----NDY5ODc2MjcwNTU2MDE0NiA1NzE0NjUzNzAwMTc5MTQxIDU0MzE3ODAyOTU1NTEyMTg=