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authorTreer <treer.git@the-bordello.com>2016-04-28 23:48:50 +1000
committerTreer <treer.git@the-bordello.com>2016-04-30 01:13:34 +1000
commit9d079e5d2b3dad4e9d0ce962ba2cd8a815a297db (patch)
tree3b914d80747697e2dbcd3dcd0cecb0281d01a182 /include
parentb664af748e32f6e8f3d451e95fd8cb65940eca17 (diff)
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Add definition lists to bbcode
Diffstat (limited to 'include')
-rw-r--r--include/bbcode.php48
1 files changed, 48 insertions, 0 deletions
diff --git a/include/bbcode.php b/include/bbcode.php
index b8cd23f59..1640307f8 100644
--- a/include/bbcode.php
+++ b/include/bbcode.php
@@ -345,6 +345,46 @@ function bb_spoilertag($match) {
return '<div onclick="openClose(\'opendiv-' . $rnd . '\'); return false;" class="fakelink">' . $openclose . '</div><blockquote id="opendiv-' . $rnd . '" style="display: none;">' . $text . '</blockquote>';
}
+function bb_definitionList($match) {
+ // $match[1] is the markup styles for the "terms" in the definition list.
+ // $match[2] is the content between the [dl]...[/dl] tags
+
+ $classes = '';
+ if (stripos($match[1], "b") !== false) $classes .= 'dl-terms-bold ';
+ if (stripos($match[1], "i") !== false) $classes .= 'dl-terms-italic ';
+ if (stripos($match[1], "u") !== false) $classes .= 'dl-terms-underline ';
+ if (stripos($match[1], "l") !== false) $classes .= 'dl-terms-large ';
+ if (stripos($match[1], "m") !== false) $classes .= 'dl-terms-monospace ';
+ if (stripos($match[1], "h") !== false) $classes .= 'dl-horizontal '; // dl-horizontal is already provided by bootstrap
+ if (strlen($classes) === 0) $classes = "dl-terms-plain";
+
+ // The bbcode transformation will be:
+ // [*=term-text] description-text => </dd> <dt>term-text<dt><dd> description-text
+ // then after all replacements have been made, the </dd> remaining the start of the
+ // string can be removed. HTML5 allows the missing end tag.
+ // Using '(?<!\\\)' to allow backslash-escaped closing braces to appear in the term-text.
+ $closeDescriptionTag = "</dd>\n";
+ $listElements = preg_replace(
+ '/\[\*=([[:print:]]*?)(?<!\\\)\]/ism',
+ $closeDescriptionTag . '<dt>$1</dt><dd>',
+ $match[2]
+ );
+ // Unescape any \] inside the <dt> tags
+ $listElements = preg_replace_callback('/<dt>(.*?)<\/dt>/ism', 'bb_definitionList_unescapeBraces', $listElements);
+
+ // Remove the extra </dd> at the start of the string, if there is one.
+ $firstOpenTag = strpos($listElements, '<dd>');
+ $firstCloseTag = strpos($listElements, $closeDescriptionTag);
+ if ($firstCloseTag !== false && ($firstOpenTag === false || ($firstCloseTag < $firstOpenTag))) {
+ $listElements = preg_replace( '/<\/dd>/ism', '', $listElements, 1);
+ }
+
+ return '<dl class="bb-dl ' . rtrim($classes) . '">' . $listElements . '</dl>';;
+}
+function bb_definitionList_unescapeBraces($match) {
+ return '<dt>' . str_replace('\]', ']', $match[1]) . '</dt>';
+}
+
/**
* @brief Sanitize style properties from BBCode to HTML.
*
@@ -713,6 +753,7 @@ function bbcode($Text, $preserve_nl = false, $tryoembed = true, $cache = false)
while ((((strpos($Text, "[/list]") !== false) && (strpos($Text, "[list") !== false)) ||
((strpos($Text, "[/ol]") !== false) && (strpos($Text, "[ol]") !== false)) ||
((strpos($Text, "[/ul]") !== false) && (strpos($Text, "[ul]") !== false)) ||
+ ((strpos($Text, "[/dl]") !== false) && (strpos($Text, "[dl") !== false)) ||
((strpos($Text, "[/li]") !== false) && (strpos($Text, "[li]") !== false))) && (++$endlessloop < 20)) {
$Text = preg_replace("/\[list\](.*?)\[\/list\]/ism", '<ul class="listbullet" style="list-style-type: circle;">$1</ul>', $Text);
$Text = preg_replace("/\[list=\](.*?)\[\/list\]/ism", '<ul class="listnone" style="list-style-type: none;">$1</ul>', $Text);
@@ -724,6 +765,13 @@ function bbcode($Text, $preserve_nl = false, $tryoembed = true, $cache = false)
$Text = preg_replace("/\[ul\](.*?)\[\/ul\]/ism", '<ul class="listbullet" style="list-style-type: circle;">$1</ul>', $Text);
$Text = preg_replace("/\[ol\](.*?)\[\/ol\]/ism", '<ul class="listdecimal" style="list-style-type: decimal;">$1</ul>', $Text);
$Text = preg_replace("/\[li\](.*?)\[\/li\]/ism", '<li>$1</li>', $Text);
+
+ // [dl] tags have an optional [dl terms="bi"] form where bold/italic/underline/mono/large
+ // etc. style may be specified for the "terms" in the definition list. The quotation marks
+ // are also optional. The regex looks intimidating, but breaks down as:
+ // "[dl" <optional-whitespace> <optional-termStyles> "]" <matchGroup2> "[/dl]"
+ // where optional-termStyles are: "terms=" <optional-quote> <matchGroup1> <optional-quote>
+ $Text = preg_replace_callback('/\[dl[[:space:]]*(?:terms=(?:&quot;|")?([a-zA-Z]+)(?:&quot;|")?)?\](.*?)\[\/dl\]/ism', 'bb_definitionList', $Text);
}
if (strpos($Text,'[th]') !== false) {
$Text = preg_replace("/\[th\](.*?)\[\/th\]/sm", '<th>$1</th>', $Text);