diff options
Diffstat (limited to 'include/bbcode.php')
| -rw-r--r-- | include/bbcode.php | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/include/bbcode.php b/include/bbcode.php index b8cd23f59..5bd5301cc 100644 --- a/include/bbcode.php +++ b/include/bbcode.php @@ -345,6 +345,48 @@ 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 extra </dd> at the start of the + // first line can be removed. HTML5 allows the tag to be missing from the end of the last line. + // Using '(?<!\\\)' to allow backslash-escaped closing braces to appear in the term-text. + $closeDescriptionTag = "</dd>\n"; + $eatLeadingSpaces = '(?: |[ \t])*'; // prevent spaces infront of [*= from adding another line to the previous element + $listElements = preg_replace('/^(\n|<br \/>)/', '', $match[2]); // ltrim the first newline + $listElements = preg_replace( + '/' . $eatLeadingSpaces . '\[\*=([[:print:]]*?)(?<!\\\)\]/ism', + $closeDescriptionTag . '<dt>$1</dt><dd>', + $listElements + ); + // 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('\]', ']', $match[1]) . '</dt>'; +} + /** * @brief Sanitize style properties from BBCode to HTML. * @@ -713,6 +755,7 @@ function bbcode($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>', $Text); @@ -724,6 +767,13 @@ function bbcode($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('/\[dl[[:space:]]*(?:terms=(?:"|")?([a-zA-Z]+)(?:"|")?)?\](.*?)\[\/dl\]/ism', 'bb_definitionList', $Text); } if (strpos($Text,'[th]') !== false) { $Text = preg_replace("/\[th\](.*?)\[\/th\]/sm", '<th>$1</th>', $Text); |