true,
'list' => true,
'horizontal_rule' => true,
'table' => false,
'foot_note' => true,
'fenced_code_block' => true,
'abbreviation' => true,
'definition_list' => true,
'inline_link' => true, // [link text](url "optional title")
'reference_link' => true, // [link text] [id]
'shortcut_link' => true, // [link text]
'images' => true,
'block_quote' => true,
'code_block' => true,
'html_block' => false,
'auto_link' => true,
'auto_mailto' => true,
'entities' => true,
'no_html' => true,
'point_usernames' => true, // @user
'point_posts' => true, // #post
'point_tags' => false, // @todo implement
'point_inline_images' => true, // https://i.skobk.in/i/facepalm.jpg
);
public function __construct(array $features, RouterInterface $router)
{
$this->router = $router;
parent::__construct($features);
}
/**
* Point.im breaks Markdown rule about quotation on next line
*
* @param $text
*
* @return mixed
*/
protected function doBlockQuotes($text) {
$text = preg_replace_callback('/
( # Wrap whole match in $1
(?>
^[ ]*>[ ]? # ">" at the start of a line
.+\n # rest of the first line
\n* # blanks
)+
)
/xm',
array($this, '_doBlockQuotes_callback'), $text
);
return $text;
}
/**
* Point.im breaks Markdown double line wrap rule
* {@inheritdoc}
*/
protected function formParagraphs($text, $wrap_in_p = true) {
// Strip leading and trailing lines:
$text = preg_replace('/\A\n+|\n+\z/', '', $text);
$grafs = preg_split('/\n+/', $text, -1, PREG_SPLIT_NO_EMPTY);
// Wrap tags and unhashify HTML blocks
foreach ($grafs as $key => $value) {
if (!preg_match('/^B\x1A[0-9]+B$/', $value)) {
// Is a paragraph.
$value = $this->runSpanGamut($value);
if ($wrap_in_p) {
$value = preg_replace('/^([ ]*)/', "
", $value);
$value .= "
";
}
$grafs[$key] = $this->unhash($value);
} else {
// Is a block.
// Modify elements of @grafs in-place...
$graf = $value;
$block = $this->html_hashes[$graf];
$graf = $block;
$grafs[$key] = $graf;
}
}
return implode("\n\n", $grafs);
}
/**
* @param string $text
*
* @return string
*/
public function doAutoLinks($text)
{
if ($this->features['point_inline_images']) {
return preg_replace_callback('{((https?):\/\/[^\'">\s]+\.(jpg|jpeg|png|gif))}i', array(&$this, 'doAutoLinksInlineImageCallback'), $text);
}
return parent::doAutoLinks($text);
}
public function doAnchors($text)
{
$text = parent::doAnchors($text);
#
# Turn Markdown link shortcuts into XHTML tags.
#
if ($this->in_anchor) {
return $text;
}
$this->in_anchor = true;
#
# Handling username links: @some-point-username
#
if ($this->features['point_usernames']) {
$text = preg_replace_callback('{
( # wrap whole match in $1
@
(
[a-zA-Z0-9\-]+? # username = $2
)
)
([^a-zA-Z0-9\-]|$) # Tail of username
}xs',
array(&$this, 'doAnchorsPointUsernameCallback'), $text);
}
#
# Handling post links: #somepost
#
if ($this->features['point_posts']) {
$text = preg_replace_callback('{
( # wrap whole match in $1
\#
(
[a-zA-Z]+? # post id = $2
)
)
([^a-zA-Z]|$) # Tail of post
}xs',
array(&$this, 'doAnchorsPointPostCallback'), $text);
}
$this->in_anchor = false;
return $text;
}
protected function doAutoLinksInlineImageCallback($matches)
{
$url = trim($matches[1]);
$ext = $matches[2];
return $this->hashPart('
');
}
protected function doAnchorsPointUsernameCallback($matches)
{
$username = $matches[2];
$href = $this->router->generate('user_show', ['login' => $username]);
$tail = htmlspecialchars($matches[3]);
return $this->hashPart('@'.$username.''.$tail);
}
protected function doAnchorsPointPostCallback($matches)
{
$postId = $matches[2];
$href = $this->router->generate('post_show', ['id' => $postId]);
$tail = htmlspecialchars($matches[3]);
return $this->hashPart('#'.$postId.''.$tail);
}
}