<?php

declare(strict_types=1);

/*
 * This file is part of the league/commonmark package.
 *
 * (c) Colin O'Dell <colinodell@gmail.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace League\CommonMark\Extension\FrontMatter;

use League\CommonMark\Extension\FrontMatter\Data\FrontMatterDataParserInterface;
use League\CommonMark\Extension\FrontMatter\Exception\InvalidFrontMatterException;
use League\CommonMark\Extension\FrontMatter\Input\MarkdownInputWithFrontMatter;
use League\CommonMark\Parser\Cursor;

final class FrontMatterParser implements FrontMatterParserInterface
{
    /** @psalm-readonly */
    private FrontMatterDataParserInterface $frontMatterParser;

    private const REGEX_FRONT_MATTER = '/^---\\R.*?\\R---\\R/s';

    public function __construct(FrontMatterDataParserInterface $frontMatterParser)
    {
        $this->frontMatterParser = $frontMatterParser;
    }

    /**
     * @throws InvalidFrontMatterException if the front matter cannot be parsed
     */
    public function parse(string $markdownContent): MarkdownInputWithFrontMatter
    {
        $cursor = new Cursor($markdownContent);

        // Locate the front matter
        $frontMatter = $cursor->match(self::REGEX_FRONT_MATTER);
        if ($frontMatter === null) {
            return new MarkdownInputWithFrontMatter($markdownContent);
        }

        // Trim the last line (ending ---s and newline)
        $frontMatter = \preg_replace('/---\R$/', '', $frontMatter);
        if ($frontMatter === null) {
            return new MarkdownInputWithFrontMatter($markdownContent);
        }

        // Parse the resulting YAML data
        $data = $this->frontMatterParser->parse($frontMatter);

        // Advance through any remaining newlines which separated the front matter from the Markdown text
        $trailingNewlines = $cursor->match('/^\R+/');

        // Calculate how many lines the Markdown is offset from the front matter by counting the number of newlines
        // Don't forget to add 1 because we stripped one out when trimming the trailing delims
        $lineOffset = \preg_match_all('/\R/', $frontMatter . $trailingNewlines) + 1;

        return new MarkdownInputWithFrontMatter($cursor->getRemainder(), $lineOffset, $data);
    }
}

• [D] Data
• [D] Exception
• [D] Input
• [D] Listener
• [D] Output
• [F] FrontMatterExtension.php
  Delete
• [F] FrontMatterParser.php
  Delete
• [F] FrontMatterParserInterface.php
  Delete
• [F] FrontMatterProviderInterface.php
  Delete

About Section

About NFC Pay: Our Story and Mission

NFC Pay was founded with a vision to transform the way people handle transactions. Our journey is defined by a commitment to innovation, security, and convenience. We strive to deliver seamless, user-friendly payment solutions that make everyday transactions effortless and secure. Our mission is to empower you to pay with ease and confidence, anytime, anywhere.

• Simplifying Payments, One Tap at a Time.
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• Experience the Ease of Tap and Pay.
• Innovative Solutions for Your Daily Transactions.

FAQ Section

Frequently Asked Questions About NFC Pay

Here are answers to some common questions about NFC Pay. We aim to provide clear and concise information to help you understand how our platform works and how it can benefit you. If you have any further inquiries, please don’t hesitate to contact our support team.

How do I register for NFC Pay?

Download the app and sign up using your email or phone number, then complete the verification process.

Is my payment information secure?

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Can I add multiple cards to my NFC Pay wallet?

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How do I transfer money to another user?

Go to the transfer section, select the recipient, enter the amount, and authorize the transfer.

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Sign up for a merchant account through the app and follow the setup instructions to start accepting payments.

Can I track my payment status?

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