Maslosoft Whitelist API

Namespaces

• Maslosoft
  • Whitelist
    • Interfaces
    • Tokenizer
      • Composite
      • Tokens

Classes

• AbstractToken
• CompositeTokenizer
• Factory
• Method
• StaticMethod
• Tokenizer

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<?php

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */

namespace Maslosoft\Whitelist\Tokenizer;

use Maslosoft\Whitelist\Interfaces\TokenInterface;
use Maslosoft\Whitelist\Tokenizer\Tokens\EmptyToken;

/**
 * AbstractToken
 *
 * @author Piotr Maselkowski <pmaselkowski at gmail.com>
 */
abstract class AbstractToken
{

    public $line = 0;
    public $type = '';
    public $name = '';
    public $value = '';

    /**
     *
     * @var TokenInterface[]
     */
    protected $tokens = [];
    protected $index = 0;

    //abstract public function __construct(&$data, &$tokens, $index);

    /**
     *
     * @param int $type
     * @return bool
     */
    public function is($type)
    {
        return $this->type === $type;
    }

    /**
     *
     * @param int $type
     * @return bool
     */
    public function not($type)
    {
        return $this->type !== $type;
    }

    /**
     * Check token value
     * @param string $value
     */
    public function valIs($value)
    {
        return $this->value === $value;
    }

    /**
     * Get token value
     * @param string $value
     */
    public function val()
    {
        return $this->value;
    }

    /**
     * Get previous token, ignoring whitespace
     * @return TokenInterface
     */
    public function prev()
    {
        $i = $this->index - 1;
        if (isset($this->tokens[$i]))
        {
            $token = $this->tokens[$i];
            while ($token->is(T_WHITESPACE))
            {
                $token = $token->prev();
            }
            return $token;
        }
        return new EmptyToken();
    }

    /**
     * Get next token, ignoring whitespace
     * @return TokenInterface
     */
    public function next()
    {
        $i = $this->index + 1;
        if (isset($this->tokens[$i]))
        {
            $token = $this->tokens[$i];
            while ($token->is(T_WHITESPACE))
            {
                $token = $token->next();
            }
            return $token;
        }
        return new EmptyToken();
    }

}