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additional_plugins/serendipity_event_markdown/serendipity_event_markdown.php
Thomas Hochstein ae01d649d8 Add a prefix for footnote links. (#56) 
Add the entry id as a prefix to every footnote
links so links are unique even when more than
one entry is displayed (title page, search
results etc.).

This can only be done with PHP Markdown Lib;
the "classic" version does not have such a
configuration variable.

Signed-off-by: Thomas Hochstein <thh@inter.net>
2017-05-22 17:29:08 +02:00

250 lines
9.7 KiB
PHP
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<?php #
use \Michelf\Markdown, \Michelf\MarkdownExtra, \Michelf\SmartyPants, \Michelf\SmartyPantsTypographer;
if (IN_serendipity !== true) {
die ("Don't hack!");
}
// Probe for a language include with constants. Still include defines later on, if some constants were missing
$probelang = dirname(__FILE__) . '/' . $serendipity['charset'] . 'lang_' . $serendipity['lang'] . '.inc.php';
if (file_exists($probelang)) {
include $probelang;
}
include_once dirname(__FILE__) . '/lang_en.inc.php';
class serendipity_event_markdown extends serendipity_event
{
var $title = PLUGIN_EVENT_MARKDOWN_NAME;
function introspect(&$propbag)
{
global $serendipity;
$propbag->add('name', PLUGIN_EVENT_MARKDOWN_NAME);
$propbag->add('description', PLUGIN_EVENT_MARKDOWN_DESC);
$propbag->add('stackable', false);
$propbag->add('author', 'Serendipity Team, Jan Lehnardt and Thomas Hochstein');
$propbag->add('requirements', array(
'serendipity' => '0.7',
'smarty' => '2.6.7',
'php' => '5.3.0'
));
$propbag->add('version', '1.24');
$propbag->add('cachable_events', array('frontend_display' => true));
$propbag->add('event_hooks', array('frontend_display' => true, 'frontend_comment' => true));
$propbag->add('groups', array('MARKUP'));
$this->markup_elements = array(
array(
'name' => 'ENTRY_BODY',
'element' => 'body',
),
array(
'name' => 'EXTENDED_BODY',
'element' => 'extended',
),
array(
'name' => 'COMMENT',
'element' => 'comment',
),
array(
'name' => 'HTML_NUGGET',
'element' => 'html_nugget',
)
);
$conf_array = array();
foreach($this->markup_elements as $element) {
$conf_array[] = $element['name'];
}
$conf_array[] = 'MARKDOWN_EXTRA';
$conf_array[] = 'MARKDOWN_VERSION';
$conf_array[] = 'MARKDOWN_SMARTYPANTS';
$propbag->add('configuration', $conf_array);
}
function install() {
serendipity_plugin_api::hook_event('backend_cache_entries', $this->title);
}
function uninstall(&$propbag) {
serendipity_plugin_api::hook_event('backend_cache_purge', $this->title);
serendipity_plugin_api::hook_event('backend_cache_entries', $this->title);
}
function generate_content(&$title) {
$title = $this->title;
}
function introspect_config_item($name, &$propbag)
{
switch($name) {
case 'ENTRY_BODY':
case 'EXTENDED_BODY':
case 'COMMENT':
case 'HTML_NUGGET':
$propbag->add('type', 'boolean');
$propbag->add('name', constant($name));
$propbag->add('description', sprintf(APPLY_MARKUP_TO, constant($name)));
$propbag->add('default', 'true');
return true;
break;
case 'MARKDOWN_EXTRA':
$propbag->add('type', 'boolean');
$propbag->add('name', PLUGIN_EVENT_MARKDOWN_EXTRA_NAME);
$propbag->add('description', PLUGIN_EVENT_MARKDOWN_EXTRA_DESC);
$propbag->add('default', false);
return true;
break;
case 'MARKDOWN_SMARTYPANTS':
$propbag->add('type', 'radio');
$propbag->add('name', PLUGIN_EVENT_MARKDOWN_SMARTYPANTS_NAME);
$propbag->add('description', PLUGIN_EVENT_MARKDOWN_SMARTYPANTS_DESC);
$propbag->add('radio', array(
'value' => array(1, 2, 0),
'desc' => array(YES, PLUGIN_EVENT_MARKDOWN_SMARTYPANTS_EXTENDED, PLUGIN_EVENT_MARKDOWN_SMARTYPANTS_NEVER)
));
$propbag->add('default', 0);
return true;
break;
case 'MARKDOWN_VERSION':
$propbag->add('type', 'radio');
$propbag->add('name', PLUGIN_EVENT_MARKDOWN_VERSION);
$propbag->add('description', PLUGIN_EVENT_MARKDOWN_VERSION_BLABLAH);
$propbag->add('radio', array(
'value' => array(1, 2),
'desc' => array('classic', 'lib'),
));
$propbag->add('default', 2);
return true;
break;
}
}
function event_hook($event, &$bag, &$eventData, $addData = null) {
global $serendipity;
$mdsp = $this->get_config('MARKDOWN_SMARTYPANTS');
$mdv = $this->get_config('MARKDOWN_VERSION');
$mde = serendipity_db_bool($this->get_config('MARKDOWN_EXTRA', false));
switch($mdv) {
case 2:
if ($mde) {
require_once dirname(__FILE__) . '/lib/Michelf/MarkdownExtra.inc.php';
} else {
require_once dirname(__FILE__) . '/lib/Michelf/Markdown.inc.php';
}
if ($mdsp > 0) {
require_once dirname(__FILE__) . '/lib/Michelf/SmartyPants.php';
}
if ($mdsp == 2) {
require_once dirname(__FILE__) . '/lib/Michelf/SmartyPantsTypographer.php';
}
break;
case 1:
if ($mde) {
include_once dirname(__FILE__) . '/markdown_extra.php';
} else {
include_once dirname(__FILE__) . '/markdown.php';
}
break;
}
$hooks = &$bag->get('event_hooks');
if (isset($hooks[$event])) {
switch($event) {
case 'frontend_display':
foreach ($this->markup_elements as $temp) {
if (serendipity_db_bool($this->get_config($temp['name'], true)) && !empty($eventData[$temp['element']]) &&
!$eventData['properties']['ep_disable_markup_' . $this->instance] &&
!isset($serendipity['POST']['properties']['disable_markup_' . $this->instance])) {
$element = $temp['element'];
if ($mdv == 2) {
if ($mde) {
$parser = new MarkdownExtra;
$parser->fn_id_prefix = $eventData['id'] . '_';
$eventData[$element] = str_replace('javascript:', '', $parser->transform($eventData[$element]));
} else {
$eventData[$element] = str_replace('javascript:', '', Markdown::defaultTransform($eventData[$element]));
}
if ($mdsp == 1) $eventData[$element] = SmartyPants::defaultTransform($eventData[$element]);
if ($mdsp == 2) $eventData[$element] = SmartyPantsTypographer::defaultTransform($eventData[$element]);
} else {
$eventData[$element] = str_replace('javascript:', '', Markdown($eventData[$element]));
}
}
}
$this->setPlaintextBody($eventData, $mde, $mdv, $mdsp);
return true;
break;
case 'frontend_comment':
if (serendipity_db_bool($this->get_config('COMMENT', true))) {
echo '<div class="serendipity_commentDirection serendipity_comment_markdown">' . PLUGIN_EVENT_MARKDOWN_TRANSFORM . '</div>';
}
return true;
break;
default:
return false;
}
} else {
return false;
}
}
/**
* Sets a GLOBAL plaintext body by first transforming the body to HTML, then stripping HTML tags from the body
* @see http://board.s9y.org/viewtopic.php?f=11&t=18351 Discussion of this feature in the S9y forum.
*
* @param array $eventData
* @param bool $extra Markdown Extra default FALSE
* @param int $version Markdown Classic or Lib default 2
* @param int $pants SmartyPants option default 0
*/
function setPlaintextBody(array $eventData, $extra=FALSE, $version=2, $pants=0)
{
if (isset($GLOBALS['entry'][0]['plaintext_body'])) {
$plaintext_body = $GLOBALS['entry'][0]['plaintext_body'];
} else {
$plaintext_body = html_entity_decode($eventData['body'], ENT_COMPAT, LANG_CHARSET);
}
if ($mde) {
$html = ($version == 2) ? MarkdownExtra::defaultTransform($plaintext_body) : Markdown($plaintext_body);
} else {
$html = ($version == 2) ? Markdown::defaultTransform($plaintext_body) : Markdown($plaintext_body);
}
if ($pants > 0) $html = ($pants == 2) ? SmartyPantsTypographer::defaultTransform($html) : SmartyPants::defaultTransform($html);
$GLOBALS['entry'][0]['plaintext_body'] = trim(strip_tags(str_replace('javascript:', '', $html)));
}
/* disabled, probably used in later versions
function _markdown_markup($text) {
return Markdown($text);
}
*/
}
/* vim: set sts=4 ts=4 expandtab :
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* indent-tabs-mode: nil
* End:
*/
?>
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