add('name', PLUGIN_EVENT_NL2BR_NAME); $propbag->add('description', PLUGIN_EVENT_NL2BR_DESC); $propbag->add('stackable', false); $propbag->add('author', 'Serendipity Team'); $propbag->add('version', '2.16'); $propbag->add('requirements', array( 'serendipity' => '0.8', 'smarty' => '2.6.7', 'php' => '4.1.0' )); $propbag->add('cachable_events', array('frontend_display' => true)); $propbag->add('event_hooks', array('frontend_display' => true, 'backend_configure' => true, 'css' => 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', ) ); $conf_array = array('check_markup', 'isolate', 'p_tags', 'isobr', 'clean_tags'); foreach($this->markup_elements as $element) { $conf_array[] = $element['name']; } $propbag->add('configuration', $conf_array); } function cleanup() { global $serendipity; /* check possible config mismatch setting in combination with ISOBR */ if ( serendipity_db_bool($this->get_config('isobr')) === true ) { if( serendipity_db_bool($this->get_config('clean_tags')) === true ) { $this->set_config('clean_tags', false); echo '

'; echo sprintf(PLUGIN_EVENT_NL2BR_CONFIG_ERROR, 'clean_tags', 'ISOBR') . '

'; return false; } if ( serendipity_db_bool($this->get_config('p_tags')) === true ) { $this->set_config('p_tags', false); echo '

'; echo sprintf(PLUGIN_EVENT_NL2BR_CONFIG_ERROR, 'p_tags', 'ISOBR') . '

'; return false; } } /* check possible config mismatch setting in combination with P_TAGS */ if ( serendipity_db_bool($this->get_config('p_tags')) === true && serendipity_db_bool($this->get_config('clean_tags')) === true ) { $this->set_config('clean_tags', false); echo '

'; echo sprintf(PLUGIN_EVENT_NL2BR_CONFIG_ERROR, 'clean_tags', 'P_TAGS') . '

'; return false; } return true; } function install() { serendipity_plugin_api::hook_event('backend_cache_entries', $this->title); } function uninstall() { 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 'check_markup': $propbag->add('type', 'boolean'); $propbag->add('name', PLUGIN_EVENT_NL2BR_CHECK_MARKUP); $propbag->add('description', PLUGIN_EVENT_NL2BR_CHECK_MARKUP_DESC); $propbag->add('default', 'true'); break; case 'isolate': $propbag->add('type', 'string'); $propbag->add('name', PLUGIN_EVENT_NL2BR_ISOLATE_TAGS); $propbag->add('description', PLUGIN_EVENT_NL2BR_ISOLATE_TAGS_DESC); $propbag->add('default', ''); break; case 'p_tags': $propbag->add('type', 'boolean'); $propbag->add('name', PLUGIN_EVENT_NL2BR_PTAGS); $propbag->add('description', PLUGIN_EVENT_NL2BR_PTAGS_DESC); $propbag->add('default', 'false'); break; case 'isobr': $propbag->add('type', 'boolean'); $propbag->add('name', PLUGIN_EVENT_NL2BR_ISOBR_TAG); $propbag->add('description', PLUGIN_EVENT_NL2BR_ISOBR_TAG_DESC); $propbag->add('default', 'true'); break; case 'clean_tags': $propbag->add('type', 'boolean'); $propbag->add('name', PLUGIN_EVENT_NL2BR_CLEANTAGS); $propbag->add('description', PLUGIN_EVENT_NL2BR_CLEANTAGS_DESC); $propbag->add('default', 'false'); break; default: $propbag->add('type', 'boolean'); $propbag->add('name', constant($name)); $propbag->add('description', sprintf(APPLY_MARKUP_TO, constant($name))); $propbag->add('default', 'true'); } return true; } function isolate($src, $regexp = NULL) { if($regexp) return preg_replace_callback($regexp, array($this, 'isolate'), $src); global $_buf; $_buf[] = $src[0]; return "\001" . (count($_buf) - 1); } function restore($text) { global $_buf; return preg_replace('~\001(\d+)~e', '$_buf[$1]', $text); } function event_hook($event, &$bag, &$eventData) { global $serendipity; static $markup = null; static $isolate = null; static $p_tags = null; static $isobr = null; static $clean_tags = null; global $_buf; $hooks = &$bag->get('event_hooks'); if ($markup === null) { $markup = serendipity_db_bool($this->get_config('check_markup')); } if ($p_tags === null) { $p_tags = serendipity_db_bool($this->get_config('p_tags')); } if ($isobr === null) { $isobr = serendipity_db_bool($this->get_config('isobr')); } if ($clean_tags === null) { $clean_tags = serendipity_db_bool($this->get_config('clean_tags')); } if (isset($hooks[$event])) { switch($event) { case 'frontend_display': // check single entry for temporary disabled markups if ( !$eventData['properties']['ep_disable_markup_' . $this->instance] && !in_array($this->instance, (array)$serendipity['POST']['properties']['disable_markups']) && !$eventData['properties']['ep_no_textile'] && !isset($serendipity['POST']['properties']['ep_no_textile']) && !$eventData['properties']['ep_no_markdown'] && !isset($serendipity['POST']['properties']['ep_no_markdown'])) { // yes, this markup shall be applied $serendipity['nl2br']['entry_disabled_markup'] = false; } else { // no, do not apply markup $serendipity['nl2br']['entry_disabled_markup'] = true; } // don't add additional br or p tags, if the wysiwyg-editor, the textile, or markdown plugin already took care about markup if($markup) { if ( ($serendipity['wysiwyg'] && serendipity_userLoggedIn()) || ($serendipity['nl2br']['entry_disabled_markup'] === false && (class_exists('serendipity_event_textile') || class_exists('serendipity_event_markdown'))) ) { return true; } } // check for users isolation tags if ($isolate === null) { $isolate = $this->get_config('isolate'); $tags = (array)explode(',', $isolate); $isolate = array(); foreach($tags AS $tag) { $tag = trim($tag); if (!empty($tag)) { $isolate[] = $tag; } } if (count($isolate) < 1) { $isolate = false; } } foreach ($this->markup_elements as $temp) { if (serendipity_db_bool($this->get_config($temp['name'], true)) && isset($eventData[$temp['element']]) && !$eventData['properties']['ep_disable_markup_' . $this->instance] && !in_array($this->instance, (array)$serendipity['POST']['properties']['disable_markups']) && !$eventData['properties']['ep_no_nl2br'] && !isset($serendipity['POST']['properties']['ep_no_nl2br'])) { $element = $temp['element']; if ($p_tags) { $eventData[$element] = $this->nl2p($eventData[$element]); } else if ($isolate) { $eventData[$element] = $this->isolate($eventData[$element], '~[<\[](' . implode('|', $isolate) . ').*?[>\]].*?[<\[]/\1[>\]]~si'); $eventData[$element] = nl2br($eventData[$element]); $eventData[$element] = $this->restore($eventData[$element]); } else { if($isobr) { $eventData[$element] = $this->isolate($eventData[$element], '~[<\[](nl).*?[>\]].*?[<\[]/\1[>\]]~si'); $eventData[$element] = nl2br($eventData[$element]); $eventData[$element] = $this->restore($eventData[$element]); // unset nl tagline, if is $eventData[$element] = str_replace(array("", "
", "
", ""), "", $eventData[$element]); } else { $eventData[$element] = nl2br($eventData[$element]); } } /* this is an option if not using new isobr default config setting */ if (!$p_tags && $isobr === false && $clean_tags === true) { // convert line endings to Unix style, if not already done $eventData[$element] = str_replace(array("\r\n", "\r"), "\n", $eventData[$element]); // clean special tags from nl2br $eventData[$element] = $this->clean_nl2brtags($eventData[$element]); } } } return true; break; case 'backend_configure': // check single entry for temporary disabled markups if( $isobr ) { $serendipity['nl2br']['iso2br'] = true; // include to global as also used by staticpages now if (!is_object($serendipity['smarty'])) { serendipity_smarty_init(); // if not set to avoid member function assign() on a non-object error, start Smarty templating } // hook into default/admin/entries.tpl somehow via the Heart Of Gold = serendipity_printEntryForm() before! it is loaded $serendipity['smarty']->assign('iso2br', true); } return true; break; case 'css': ?> p.whiteline { margin-top: 0em; margin-bottom: 1em; } p.break { margin-top: 0em; margin-bottom: 0em; } ) * for \\4 (
) * regex modifier : i - using a case-insensitive match, as upper are valid in HTML * regex modifier : s - using the dot metacharacter in the pattern to match all characters, including newlines */ $br2nl[] = "%(<\s*/?$tag)(.*?)([^>]*>)()%is"; } if(sizeof($br2nl)) $entry = preg_replace($br2nl, '\\1\\2\\3', $entry); return $entry; } /* Insert

0) { if ($insert) { $i = $this->next_nl_block($i, $text); if ($i == 0) { //prevent replacing of first character break; } if ($whiteline == true) { $text[$i] = '

' . $big_p; } else { $text[$i] = '

' . $small_p; } $whiteline = false; $insert = false; } else { if ($text[$i-1] === "\n") { //newline is follower of a newline $whiteline = true; } $insert = true; } } if ($whiteline) { $start_tag = $big_p; } else { $start_tag = $small_p; } if ($complex) { $textstring = $this->tidy_block_elements($text); $textstring = $this->formate_block_elements($textstring); $textstring = $this->isolate_block_elements($textstring); $textstring = $start_tag . $textstring . '

'; return $this->clean_code($textstring); } return $start_tag . implode($text) . '

'; } /* * Remove unnecessary paragraphs * Unnecessary are those which start and end immediately. * They only get created by isolate_block_elements * @param mixed text * @return string * */ function clean_code ($text) { if (is_array($text)) { $text = implode($text); } return str_replace(array('

','

', '

'),"", $text); } function purge_p($text) { $text = str_replace('

', "", $text); return str_replace(array('

','

', '

'),"\n", $text); } /* * Use nl2p on text within blockelements, useful e.g. with blockquotes * @param array text * @return string * */ function formate_block_elements($textstring) { $block_elements = array('end_tags($start_tag); //first see if block-element really exists $start_tag_position = strpos($textstring, $start_tag); while ($start_tag_position !== false) { $start_tag_end = strpos($textstring, '>', $start_tag_position)+1; $blocktext = $this->get_string_till($textstring, $end_tag, $start_tag_end); $blocktext_length = strlen($blocktext); $formatted_blocktext = $this->nl2p($blocktext); //insert formatted_blocktext into old blockelement $textstring = substr_replace($textstring, $formatted_blocktext, $start_tag_end, $blocktext_length); //next blockelement $start_tag_position = strpos($textstring, $start_tag, $start_tag_end+strlen($formatted_blocktext)); } } return $textstring; } /** * Make sure none of these block_elements are within a

* @param string text * @return string * */ function isolate_block_elements($textstring) { $block_elements = array('end_tags($start_tag); $textstring = str_replace("$start_tag", "

$start_tag", $textstring); $textstring = str_replace("$end_tag", "$end_tag

", $textstring); } } return $textstring; } /** * Remove all

-tags from block-elements * Note: Walking from left to right * @param array text * @return string * */ function tidy_block_elements($text) { $remove = false; $textstring = implode($text); $block_elements = array('end_tags($start_tag); //first see if block-element really exists $start_tag_position = strpos($textstring, $start_tag); while ($start_tag_position !== false) { $start_tag_end = strpos($textstring, '>', $start_tag_position)+1; $blocktext = $this->get_string_till($textstring, $end_tag, $start_tag_end); $blocktext_length = strlen($blocktext); $formatted_blocktext = $this->purge_p($blocktext); //insert formatted_blocktext into old blockelement $textstring = substr_replace($textstring, $formatted_blocktext, $start_tag_end, $blocktext_length); //next blockelement $start_tag_position = strpos($textstring, $start_tag, $start_tag_end+strlen($formatted_blocktext)); } } return $textstring; } function get_string_till($text, $end_tag, $offset=0){ if (strpos($text, $end_tag, $offset) === false) { return ""; } $len = strpos($text, $end_tag, $offset) - $offset; return substr($text, $offset, $len); } /* * Return corresponding end-tag:

*/ function end_tags($start_tag) { return str_replace("<", ""; } /** * Find next newline seperated by text from current position * @param int start * $param array text */ function next_nl_block($i, $text) { $skipped = false; for ($i--; $i>0; $i-- ) { if (!$skipped){ //see if you skipped over a non-newline (heading to the next block) if (strpos($text[$i], "\n") === false) { $skipped = true; } }else if (strpos($text[$i], "\n") !== false) { break; } } return $i; } } /* vim: set sts=4 ts=4 expandtab : */