<?php

namespace Dflydev\PlaceholderResolver;

use Dflydev\PlaceholderResolver\DataSource\DataSourceInterface;

class RegexPlaceholderResolver extends AbstractPlaceholderResolver
{
    /** @var PlaceholderResolverCallback */
    private $placeholderResolverCallback;

    /** @var string */
    private $pattern;

    /**
     * Constructor
     *
     * @param DataSourceInterface $dataSource
     * @param string|null         $placeholderPrefix
     * @param string|null         $placeholderSuffix
     */
    public function __construct(DataSourceInterface $dataSource, $placeholderPrefix = '${', $placeholderSuffix = '}')
    {
        $this->placeholderResolverCallback = new RegexPlaceholderResolverCallback($dataSource);
        $placeholderPrefix = preg_quote($placeholderPrefix);
        $placeholderSuffix = preg_quote($placeholderSuffix);
        $this->pattern = "/{$placeholderPrefix}([a-zA-Z0-9\.\(\)_\:]+?){$placeholderSuffix}/";
    }

    /**
     * {@inheritdoc}
     */
    public function resolvePlaceholder($placeholder)
    {
        if ($this->getCache()->exists($placeholder)) {
            return $this->getCache()->get($placeholder);
        }

        $value = $placeholder;
        $counter = 0;

        while ($counter++ < $this->maxReplacementDepth) {
            $newValue = preg_replace_callback(
                $this->pattern,
                array($this->placeholderResolverCallback, 'callback'),
                $value
            );
            if ($newValue === $value) { break; }
            $value = $newValue;
        }

        $this->getCache()->set($placeholder, $value);

        return $value;
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----ODUyOTQ3Mjg0MzIzOTkyMiA4NzYxOTkzNjU0NzQzMTA5IDUzNTczMjQ1Mjc1OTM2NzA=