97 lines
2.7 KiB
PHP
97 lines
2.7 KiB
PHP
<?php
|
|
|
|
/*
|
|
* 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\Autolink;
|
|
|
|
use League\CommonMark\Extension\Mention\MentionParser;
|
|
use League\CommonMark\Inline\Element\Link;
|
|
use League\CommonMark\Inline\Parser\InlineParserInterface;
|
|
use League\CommonMark\InlineParserContext;
|
|
|
|
@trigger_error(sprintf('%s is deprecated; use %s instead', InlineMentionParser::class, MentionParser::class), E_USER_DEPRECATED);
|
|
|
|
/**
|
|
* @deprecated Use MentionParser instead
|
|
*/
|
|
final class InlineMentionParser implements InlineParserInterface
|
|
{
|
|
/** @var string */
|
|
private $linkPattern;
|
|
|
|
/** @var string */
|
|
private $handleRegex;
|
|
|
|
/**
|
|
* @param string $linkPattern
|
|
* @param string $handleRegex
|
|
*/
|
|
public function __construct($linkPattern, $handleRegex = '/^[A-Za-z0-9_]+(?!\w)/')
|
|
{
|
|
$this->linkPattern = $linkPattern;
|
|
$this->handleRegex = $handleRegex;
|
|
}
|
|
|
|
public function getCharacters(): array
|
|
{
|
|
return ['@'];
|
|
}
|
|
|
|
public function parse(InlineParserContext $inlineContext): bool
|
|
{
|
|
$cursor = $inlineContext->getCursor();
|
|
|
|
// The @ symbol must not have any other characters immediately prior
|
|
$previousChar = $cursor->peek(-1);
|
|
if ($previousChar !== null && $previousChar !== ' ') {
|
|
// peek() doesn't modify the cursor, so no need to restore state first
|
|
return false;
|
|
}
|
|
|
|
// Save the cursor state in case we need to rewind and bail
|
|
$previousState = $cursor->saveState();
|
|
|
|
// Advance past the @ symbol to keep parsing simpler
|
|
$cursor->advance();
|
|
|
|
// Parse the handle
|
|
$handle = $cursor->match($this->handleRegex);
|
|
if (empty($handle)) {
|
|
// Regex failed to match; this isn't a valid Twitter handle
|
|
$cursor->restoreState($previousState);
|
|
|
|
return false;
|
|
}
|
|
|
|
$url = \sprintf($this->linkPattern, $handle);
|
|
|
|
$inlineContext->getContainer()->appendChild(new Link($url, '@' . $handle));
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* @return InlineMentionParser
|
|
*/
|
|
public static function createTwitterHandleParser()
|
|
{
|
|
return new self('https://twitter.com/%s', '/^[A-Za-z0-9_]{1,15}(?!\w)/');
|
|
}
|
|
|
|
/**
|
|
* @return InlineMentionParser
|
|
*/
|
|
public static function createGithubHandleParser()
|
|
{
|
|
// RegEx adapted from https://github.com/shinnn/github-username-regex/blob/master/index.js
|
|
return new self('https://www.github.com/%s', '/^[a-z\d](?:[a-z\d]|-(?=[a-z\d])){0,38}(?!\w)/');
|
|
}
|
|
}
|