* Shaare's descriptions are parsed with Markdown.
*/
-require_once 'Parsedown.php';
+/*
+ * If this tag is used on a shaare, the description won't be processed by Parsedown.
+ */
+define('NO_MD_TAG', 'nomarkdown');
/**
* Parse linklist descriptions.
function hook_markdown_render_linklist($data)
{
foreach ($data['links'] as &$value) {
+ if (!empty($value['tags']) && noMarkdownTag($value['tags'])) {
+ $value = stripNoMarkdownTag($value);
+ continue;
+ }
+ $value['description'] = process_markdown($value['description']);
+ }
+ return $data;
+}
+
+/**
+ * Parse feed linklist descriptions.
+ *
+ * @param array $data linklist data.
+ *
+ * @return mixed linklist data parsed in markdown (and converted to HTML).
+ */
+function hook_markdown_render_feed($data)
+{
+ foreach ($data['links'] as &$value) {
+ if (!empty($value['tags']) && noMarkdownTag($value['tags'])) {
+ $value = stripNoMarkdownTag($value);
+ continue;
+ }
$value['description'] = process_markdown($value['description']);
}
// Manipulate columns data
foreach ($data['cols'] as &$value) {
foreach ($value as &$value2) {
+ if (!empty($value2['tags']) && noMarkdownTag($value2['tags'])) {
+ $value2 = stripNoMarkdownTag($value2);
+ continue;
+ }
$value2['formatedDescription'] = process_markdown($value2['formatedDescription']);
}
}
return $data;
}
+/**
+ * Check if noMarkdown is set in tags.
+ *
+ * @param string $tags tag list
+ *
+ * @return bool true if markdown should be disabled on this link.
+ */
+function noMarkdownTag($tags)
+{
+ return preg_match('/(^|\s)'. NO_MD_TAG .'(\s|$)/', $tags);
+}
+
+/**
+ * Remove the no-markdown meta tag so it won't be displayed.
+ *
+ * @param array $link Link data.
+ *
+ * @return array Updated link without no markdown tag.
+ */
+function stripNoMarkdownTag($link)
+{
+ if (! empty($link['taglist'])) {
+ $offset = array_search(NO_MD_TAG, $link['taglist']);
+ if ($offset !== false) {
+ unset($link['taglist'][$offset]);
+ }
+ }
+
+ if (!empty($link['tags'])) {
+ str_replace(NO_MD_TAG, '', $link['tags']);
+ }
+
+ return $link;
+}
+
/**
* When link list is displayed, include markdown CSS.
*
{
// Load help HTML into a string
$data['edit_link_plugin'][] = file_get_contents(PluginManager::$PLUGINS_PATH .'/markdown/help.html');
+
+ // Add no markdown 'meta-tag' in tag list if it was never used, for autocompletion.
+ if (! in_array(NO_MD_TAG, $data['tags'])) {
+ $data['tags'][NO_MD_TAG] = 0;
+ }
+
return $data;
}
*/
function reverse_text2clickable($description)
{
- return preg_replace('!<a +href="([^ ]*)">[^ ]+</a>!m', '$1', $description);
+ $descriptionLines = explode(PHP_EOL, $description);
+ $descriptionOut = '';
+ $codeBlockOn = false;
+ $lineCount = 0;
+
+ foreach ($descriptionLines as $descriptionLine) {
+ // Detect line of code: starting with 4 spaces,
+ // except lists which can start with +/*/- or `2.` after spaces.
+ $codeLineOn = preg_match('/^ +(?=[^\+\*\-])(?=(?!\d\.).)/', $descriptionLine) > 0;
+ // Detect and toggle block of code
+ if (!$codeBlockOn) {
+ $codeBlockOn = preg_match('/^```/', $descriptionLine) > 0;
+ }
+ elseif (preg_match('/^```/', $descriptionLine) > 0) {
+ $codeBlockOn = false;
+ }
+
+ $hashtagTitle = ' title="Hashtag [^"]+"';
+ // Reverse `inline code` hashtags.
+ $descriptionLine = preg_replace(
+ '!(`[^`\n]*)<a href="[^ ]*"'. $hashtagTitle .'>([^<]+)</a>([^`\n]*`)!m',
+ '$1$2$3',
+ $descriptionLine
+ );
+
+ // Reverse all links in code blocks, only non hashtag elsewhere.
+ $hashtagFilter = (!$codeBlockOn && !$codeLineOn) ? '(?!'. $hashtagTitle .')': '(?:'. $hashtagTitle .')?';
+ $descriptionLine = preg_replace(
+ '#<a href="[^ ]*"'. $hashtagFilter .'>([^<]+)</a>#m',
+ '$1',
+ $descriptionLine
+ );
+
+ $descriptionOut .= $descriptionLine;
+ if ($lineCount++ < count($descriptionLines) - 1) {
+ $descriptionOut .= PHP_EOL;
+ }
+ }
+ return $descriptionOut;
}
/**
$parsedown = new Parsedown();
$processedDescription = $description;
- $processedDescription = reverse_text2clickable($processedDescription);
$processedDescription = reverse_nl2br($processedDescription);
$processedDescription = reverse_space2nbsp($processedDescription);
+ $processedDescription = reverse_text2clickable($processedDescription);
$processedDescription = unescape($processedDescription);
$processedDescription = $parsedown
->setMarkupEscaped(false)