From 6854cb3f4d8219cf1829e32122eb2502a916eae9 Mon Sep 17 00:00:00 2001 From: Andreas Baumann Date: Sat, 1 Feb 2020 09:05:48 +0100 Subject: initial checkin --- plugins/dokuwiki/inc/parser/handler.php | 1653 +++++++++++++++++++++++++++++++ 1 file changed, 1653 insertions(+) create mode 100644 plugins/dokuwiki/inc/parser/handler.php (limited to 'plugins/dokuwiki/inc/parser/handler.php') diff --git a/plugins/dokuwiki/inc/parser/handler.php b/plugins/dokuwiki/inc/parser/handler.php new file mode 100644 index 0000000..bd307d6 --- /dev/null +++ b/plugins/dokuwiki/inc/parser/handler.php @@ -0,0 +1,1653 @@ + FALSE, + 'section_edit_start' => -1, + 'section_edit_level' => 1, + 'section_edit_title' => '' + ); + + var $rewriteBlocks = TRUE; + + function __construct() { + $this->CallWriter = new Doku_Handler_CallWriter($this); + } + + function _addCall($handler, $args, $pos) { + $call = array($handler,$args, $pos); + $this->CallWriter->writeCall($call); + } + + function _finalize(){ + + $this->CallWriter->finalise(); + + if ( $this->status['section'] ) { + $last_call = end($this->calls); + array_push($this->calls,array('section_close',array(), $last_call[2])); + if ($this->status['section_edit_start']>1) { + // ignore last edit section if there is only one header + array_push($this->calls,array('section_edit',array($this->status['section_edit_start'], 0, $this->status['section_edit_level'], $this->status['section_edit_title']), $last_call[2])); + } + } + + if ( $this->rewriteBlocks ) { + $B = new Doku_Handler_Block(); + $this->calls = $B->process($this->calls); + } + + trigger_event('PARSER_HANDLER_DONE',$this); + + array_unshift($this->calls,array('document_start',array(),0)); + $last_call = end($this->calls); + array_push($this->calls,array('document_end',array(),$last_call[2])); + } + + function fetch() { + $call = each($this->calls); + if ( $call ) { + return $call['value']; + } + return FALSE; + } + + + /** + * Special plugin handler + * + * This handler is called for all modes starting with 'plugin_'. + * An additional parameter with the plugin name is passed + * + * @author Andreas Gohr + */ + function plugin($match, $state, $pos, $pluginname){ + $data = array($match); + $plugin =& plugin_load('syntax',$pluginname); + if($plugin != null){ + $data = $plugin->handle($match, $state, $pos, $this); + } + $this->_addCall('plugin',array($pluginname,$data,$state),$pos); + return TRUE; + } + + function base($match, $state, $pos) { + switch ( $state ) { + case DOKU_LEXER_UNMATCHED: + $this->_addCall('cdata',array($match), $pos); + return TRUE; + break; + + } + } + + function header($match, $state, $pos) { + global $conf; + + // get level and title + $title = trim($match); + $level = 7 - strspn($title,'='); + if($level < 1) $level = 1; + $title = trim($title,'='); + $title = trim($title); + + if ($this->status['section']) $this->_addCall('section_close',array(),$pos); + + if ($level<=$conf['maxseclevel']) { + $this->_addCall('section_edit',array($this->status['section_edit_start'], $pos-1, $this->status['section_edit_level'], $this->status['section_edit_title']), $pos); + $this->status['section_edit_start'] = $pos; + $this->status['section_edit_level'] = $level; + $this->status['section_edit_title'] = $title; + } + + $this->_addCall('header',array($title,$level,$pos), $pos); + + $this->_addCall('section_open',array($level),$pos); + $this->status['section'] = TRUE; + return TRUE; + } + + function notoc($match, $state, $pos) { + $this->_addCall('notoc',array(),$pos); + return TRUE; + } + + function nocache($match, $state, $pos) { + $this->_addCall('nocache',array(),$pos); + return TRUE; + } + + function linebreak($match, $state, $pos) { + $this->_addCall('linebreak',array(),$pos); + return TRUE; + } + + function eol($match, $state, $pos) { + $this->_addCall('eol',array(),$pos); + return TRUE; + } + + function hr($match, $state, $pos) { + $this->_addCall('hr',array(),$pos); + return TRUE; + } + + function _nestingTag($match, $state, $pos, $name) { + switch ( $state ) { + case DOKU_LEXER_ENTER: + $this->_addCall($name.'_open', array(), $pos); + break; + case DOKU_LEXER_EXIT: + $this->_addCall($name.'_close', array(), $pos); + break; + case DOKU_LEXER_UNMATCHED: + $this->_addCall('cdata',array($match), $pos); + break; + } + } + + function strong($match, $state, $pos) { + $this->_nestingTag($match, $state, $pos, 'strong'); + return TRUE; + } + + function emphasis($match, $state, $pos) { + $this->_nestingTag($match, $state, $pos, 'emphasis'); + return TRUE; + } + + function underline($match, $state, $pos) { + $this->_nestingTag($match, $state, $pos, 'underline'); + return TRUE; + } + + function monospace($match, $state, $pos) { + $this->_nestingTag($match, $state, $pos, 'monospace'); + return TRUE; + } + + function subscript($match, $state, $pos) { + $this->_nestingTag($match, $state, $pos, 'subscript'); + return TRUE; + } + + function superscript($match, $state, $pos) { + $this->_nestingTag($match, $state, $pos, 'superscript'); + return TRUE; + } + + function deleted($match, $state, $pos) { + $this->_nestingTag($match, $state, $pos, 'deleted'); + return TRUE; + } + + + function footnote($match, $state, $pos) { +// $this->_nestingTag($match, $state, $pos, 'footnote'); + if (!isset($this->_footnote)) $this->_footnote = false; + + switch ( $state ) { + case DOKU_LEXER_ENTER: + // footnotes can not be nested - however due to limitations in lexer it can't be prevented + // we will still enter a new footnote mode, we just do nothing + if ($this->_footnote) { + $this->_addCall('cdata',array($match), $pos); + break; + } + + $this->_footnote = true; + + $ReWriter = new Doku_Handler_Nest($this->CallWriter,'footnote_close'); + $this->CallWriter = & $ReWriter; + $this->_addCall('footnote_open', array(), $pos); + break; + case DOKU_LEXER_EXIT: + // check whether we have already exitted the footnote mode, can happen if the modes were nested + if (!$this->_footnote) { + $this->_addCall('cdata',array($match), $pos); + break; + } + + $this->_footnote = false; + + $this->_addCall('footnote_close', array(), $pos); + $this->CallWriter->process(); + $ReWriter = & $this->CallWriter; + $this->CallWriter = & $ReWriter->CallWriter; + break; + case DOKU_LEXER_UNMATCHED: + $this->_addCall('cdata', array($match), $pos); + break; + } + return TRUE; + } + + function listblock($match, $state, $pos) { + switch ( $state ) { + case DOKU_LEXER_ENTER: + $ReWriter = new Doku_Handler_List($this->CallWriter); + $this->CallWriter = & $ReWriter; + $this->_addCall('list_open', array($match), $pos); + break; + case DOKU_LEXER_EXIT: + $this->_addCall('list_close', array(), $pos); + $this->CallWriter->process(); + $ReWriter = & $this->CallWriter; + $this->CallWriter = & $ReWriter->CallWriter; + break; + case DOKU_LEXER_MATCHED: + $this->_addCall('list_item', array($match), $pos); + break; + case DOKU_LEXER_UNMATCHED: + $this->_addCall('cdata', array($match), $pos); + break; + } + return TRUE; + } + + function unformatted($match, $state, $pos) { + if ( $state == DOKU_LEXER_UNMATCHED ) { + $this->_addCall('unformatted',array($match), $pos); + } + return TRUE; + } + + function php($match, $state, $pos) { + global $conf; + if ( $state == DOKU_LEXER_UNMATCHED ) { + if ($conf['phpok']) { + $this->_addCall('php',array($match), $pos); + } else { + $this->_addCall('file',array($match), $pos); + } + } + return TRUE; + } + + function html($match, $state, $pos) { + global $conf; + if ( $state == DOKU_LEXER_UNMATCHED ) { + if($conf['htmlok']){ + $this->_addCall('html',array($match), $pos); + } else { + $this->_addCall('file',array($match), $pos); + } + } + return TRUE; + } + + function preformatted($match, $state, $pos) { + switch ( $state ) { + case DOKU_LEXER_ENTER: + $ReWriter = new Doku_Handler_Preformatted($this->CallWriter); + $this->CallWriter = & $ReWriter; + $this->_addCall('preformatted_start',array(), $pos); + break; + case DOKU_LEXER_EXIT: + $this->_addCall('preformatted_end',array(), $pos); + $this->CallWriter->process(); + $ReWriter = & $this->CallWriter; + $this->CallWriter = & $ReWriter->CallWriter; + break; + case DOKU_LEXER_MATCHED: + $this->_addCall('preformatted_newline',array(), $pos); + break; + case DOKU_LEXER_UNMATCHED: + $this->_addCall('preformatted_content',array($match), $pos); + break; + } + + return TRUE; + } + + function file($match, $state, $pos) { + if ( $state == DOKU_LEXER_UNMATCHED ) { + $this->_addCall('file',array($match), $pos); + } + return TRUE; + } + + function quote($match, $state, $pos) { + + switch ( $state ) { + + case DOKU_LEXER_ENTER: + $ReWriter = new Doku_Handler_Quote($this->CallWriter); + $this->CallWriter = & $ReWriter; + $this->_addCall('quote_start',array($match), $pos); + break; + + case DOKU_LEXER_EXIT: + $this->_addCall('quote_end',array(), $pos); + $this->CallWriter->process(); + $ReWriter = & $this->CallWriter; + $this->CallWriter = & $ReWriter->CallWriter; + break; + + case DOKU_LEXER_MATCHED: + $this->_addCall('quote_newline',array($match), $pos); + break; + + case DOKU_LEXER_UNMATCHED: + $this->_addCall('cdata',array($match), $pos); + break; + + } + + return TRUE; + } + + function code($match, $state, $pos) { + switch ( $state ) { + case DOKU_LEXER_UNMATCHED: + $matches = preg_split('/>/u',$match,2); + $matches[0] = trim($matches[0]); + if ( trim($matches[0]) == '' ) { + $matches[0] = NULL; + } + # $matches[0] contains name of programming language + # if available, We shortcut html here. + if($matches[0] == 'html') $matches[0] = 'html4strict'; + $this->_addCall( + 'code', + array($matches[1],$matches[0]), + $pos + ); + break; + } + return TRUE; + } + + function acronym($match, $state, $pos) { + $this->_addCall('acronym',array($match), $pos); + return TRUE; + } + + function smiley($match, $state, $pos) { + $this->_addCall('smiley',array($match), $pos); + return TRUE; + } + + function wordblock($match, $state, $pos) { + $this->_addCall('wordblock',array($match), $pos); + return TRUE; + } + + function entity($match, $state, $pos) { + $this->_addCall('entity',array($match), $pos); + return TRUE; + } + + function multiplyentity($match, $state, $pos) { + preg_match_all('/\d+/',$match,$matches); + $this->_addCall('multiplyentity',array($matches[0][0],$matches[0][1]), $pos); + return TRUE; + } + + function singlequoteopening($match, $state, $pos) { + $this->_addCall('singlequoteopening',array(), $pos); + return TRUE; + } + + function singlequoteclosing($match, $state, $pos) { + $this->_addCall('singlequoteclosing',array(), $pos); + return TRUE; + } + + function doublequoteopening($match, $state, $pos) { + $this->_addCall('doublequoteopening',array(), $pos); + return TRUE; + } + + function doublequoteclosing($match, $state, $pos) { + $this->_addCall('doublequoteclosing',array(), $pos); + return TRUE; + } + + function camelcaselink($match, $state, $pos) { + $this->_addCall('camelcaselink',array($match), $pos); + return TRUE; + } + + /* + */ + function internallink($match, $state, $pos) { + // Strip the opening and closing markup + $link = preg_replace(array('/^\[\[/','/\]\]$/u'),'',$match); + + // Split title from URL + $link = preg_split('/\|/u',$link,2); + if ( !isset($link[1]) ) { + $link[1] = NULL; + } else if ( preg_match('/^\{\{[^\}]+\}\}$/',$link[1]) ) { + // If the title is an image, convert it to an array containing the image details + $link[1] = Doku_Handler_Parse_Media($link[1]); + } + $link[0] = trim($link[0]); + + //decide which kind of link it is + + if ( preg_match('/^[a-zA-Z\.]+>{1}.*$/u',$link[0]) ) { + // Interwiki + $interwiki = preg_split('/>/u',$link[0]); + $this->_addCall( + 'interwikilink', + array($link[0],$link[1],strtolower($interwiki[0]),$interwiki[1]), + $pos + ); + }elseif ( preg_match('/^\\\\\\\\[\w.:?\-;,]+?\\\\/u',$link[0]) ) { + // Windows Share + $this->_addCall( + 'windowssharelink', + array($link[0],$link[1]), + $pos + ); + }elseif ( preg_match('#^([a-z0-9\-\.+]+?)://#i',$link[0]) ) { + // external link (accepts all protocols) + $this->_addCall( + 'externallink', + array($link[0],$link[1]), + $pos + ); + }elseif ( preg_match('#([a-z0-9\-_.]+?)@([\w\-]+\.([\w\-\.]+\.)*[\w]+)#i',$link[0]) ) { + // E-Mail + $this->_addCall( + 'emaillink', + array($link[0],$link[1]), + $pos + ); + }elseif ( preg_match('!^#.+!',$link[0]) ){ + // local link + $this->_addCall( + 'locallink', + array(substr($link[0],1),$link[1]), + $pos + ); + }else{ + // internal link + $this->_addCall( + 'internallink', + array($link[0],$link[1]), + $pos + ); + } + + return TRUE; + } + + function filelink($match, $state, $pos) { + $this->_addCall('filelink',array($match, NULL), $pos); + return TRUE; + } + + function windowssharelink($match, $state, $pos) { + $this->_addCall('windowssharelink',array($match, NULL), $pos); + return TRUE; + } + + function media($match, $state, $pos) { + $p = Doku_Handler_Parse_Media($match); + + $this->_addCall( + $p['type'], + array($p['src'], $p['title'], $p['align'], $p['width'], + $p['height'], $p['cache'], $p['linking']), + $pos + ); + return TRUE; + } + + function rss($match, $state, $pos) { + $link = preg_replace(array('/^\{\{rss>/','/\}\}$/'),'',$match); + + // get params + list($link,$params) = explode(' ',$link,2); + + $p = array(); + if(preg_match('/\b(\d+)\b/',$params,$match)){ + $p['max'] = $match[1]; + }else{ + $p['max'] = 8; + } + $p['reverse'] = (preg_match('/rev/',$params)); + $p['author'] = (preg_match('/\b(by|author)/',$params)); + $p['date'] = (preg_match('/\b(date)/',$params)); + $p['details'] = (preg_match('/\b(desc|detail)/',$params)); + + if (preg_match('/\b(\d+)([dhm])\b/',$params,$match)) { + $period = array('d' => 86400, 'h' => 3600, 'm' => 60); + $p['refresh'] = max(600,$match[1]*$period[$match[2]]); // n * period in seconds, minimum 10 minutes + } else { + $p['refresh'] = 14400; // default to 4 hours + } + + $this->_addCall('rss',array($link,$p),$pos); + return TRUE; + } + + function externallink($match, $state, $pos) { + // Prevent use of multibyte strings in URLs + // See: http://www.boingboing.net/2005/02/06/shmoo_group_exploit_.html + // Not worried about other charsets so long as page is output as UTF-8 + /*if ( strlen($match) != utf8_strlen($match) ) { + $this->_addCall('cdata',array($match), $pos); + } else {*/ + + $this->_addCall('externallink',array($match, NULL), $pos); + //} + return TRUE; + } + + function emaillink($match, $state, $pos) { + $email = preg_replace(array('/^$/'),'',$match); + $this->_addCall('emaillink',array($email, NULL), $pos); + return TRUE; + } + + function table($match, $state, $pos) { + switch ( $state ) { + + case DOKU_LEXER_ENTER: + + $ReWriter = new Doku_Handler_Table($this->CallWriter); + $this->CallWriter = & $ReWriter; + + $this->_addCall('table_start', array(), $pos); + //$this->_addCall('table_row', array(), $pos); + if ( trim($match) == '^' ) { + $this->_addCall('tableheader', array(), $pos); + } else { + $this->_addCall('tablecell', array(), $pos); + } + break; + + case DOKU_LEXER_EXIT: + $this->_addCall('table_end', array(), $pos); + $this->CallWriter->process(); + $ReWriter = & $this->CallWriter; + $this->CallWriter = & $ReWriter->CallWriter; + break; + + case DOKU_LEXER_UNMATCHED: + if ( trim($match) != '' ) { + $this->_addCall('cdata',array($match), $pos); + } + break; + + case DOKU_LEXER_MATCHED: + if ( $match == ' ' ){ + $this->_addCall('cdata', array($match), $pos); + } else if ( preg_match('/\t+/',$match) ) { + $this->_addCall('table_align', array($match), $pos); + } else if ( preg_match('/ {2,}/',$match) ) { + $this->_addCall('table_align', array($match), $pos); + } else if ( $match == "\n|" ) { + $this->_addCall('table_row', array(), $pos); + $this->_addCall('tablecell', array(), $pos); + } else if ( $match == "\n^" ) { + $this->_addCall('table_row', array(), $pos); + $this->_addCall('tableheader', array(), $pos); + } else if ( $match == '|' ) { + $this->_addCall('tablecell', array(), $pos); + } else if ( $match == '^' ) { + $this->_addCall('tableheader', array(), $pos); + } + break; + } + return TRUE; + } +} + +//------------------------------------------------------------------------ +function Doku_Handler_Parse_Media($match) { + + // Strip the opening and closing markup + $link = preg_replace(array('/^\{\{/','/\}\}$/u'),'',$match); + + // Split title from URL + $link = preg_split('/\|/u',$link,2); + + + // Check alignment + $ralign = (bool)preg_match('/^ /',$link[0]); + $lalign = (bool)preg_match('/ $/',$link[0]); + + // Logic = what's that ;)... + if ( $lalign & $ralign ) { + $align = 'center'; + } else if ( $ralign ) { + $align = 'right'; + } else if ( $lalign ) { + $align = 'left'; + } else { + $align = NULL; + } + + // The title... + if ( !isset($link[1]) ) { + $link[1] = NULL; + } + + //remove aligning spaces + $link[0] = trim($link[0]); + + //split into src and parameters (using the very last questionmark) + $pos = strrpos($link[0], '?'); + if($pos !== false){ + $src = substr($link[0],0,$pos); + $param = substr($link[0],$pos+1); + }else{ + $src = $link[0]; + $param = ''; + } + + //parse width and height + if(preg_match('#(\d+)(x(\d+))?#i',$param,$size)){ + ($size[1]) ? $w = $size[1] : $w = NULL; + ($size[3]) ? $h = $size[3] : $h = NULL; + } else { + $w = NULL; + $h = NULL; + } + + //get linking command + if(preg_match('/nolink/i',$param)){ + $linking = 'nolink'; + }else if(preg_match('/direct/i',$param)){ + $linking = 'direct'; + }else{ + $linking = 'details'; + } + + //get caching command + if (preg_match('/(nocache|recache)/i',$param,$cachemode)){ + $cache = $cachemode[1]; + }else{ + $cache = 'cache'; + } + + // Check whether this is a local or remote image + if ( preg_match('#^(https?|ftp)#i',$src) ) { + $call = 'externalmedia'; + } else { + $call = 'internalmedia'; + } + + $params = array( + 'type'=>$call, + 'src'=>$src, + 'title'=>$link[1], + 'align'=>$align, + 'width'=>$w, + 'height'=>$h, + 'cache'=>$cache, + 'linking'=>$linking, + ); + + return $params; +} + +//------------------------------------------------------------------------ +class Doku_Handler_CallWriter { + + var $Handler; + + function __construct(& $Handler) { + $this->Handler = & $Handler; + } + + function writeCall($call) { + $this->Handler->calls[] = $call; + } + + function writeCalls($calls) { + $this->Handler->calls = array_merge($this->Handler->calls, $calls); + } + + // function is required, but since this call writer is first/highest in + // the chain it is not required to do anything + function finalise() { + } +} + +//------------------------------------------------------------------------ +/** + * Generic call writer class to handle nesting of rendering instructions + * within a render instruction. Also see nest() method of renderer base class + * + * @author Chris Smith + */ +class Doku_Handler_Nest { + + var $CallWriter; + var $calls = array(); + + var $closingInstruction; + + /** + * constructor + * + * @param object $CallWriter the renderers current call writer + * @param string $close closing instruction name, this is required to properly terminate the + * syntax mode if the document ends without a closing pattern + */ + function __construct(& $CallWriter, $close="nest_close") { + $this->CallWriter = & $CallWriter; + + $this->closingInstruction = $close; + } + + function writeCall($call) { + $this->calls[] = $call; + } + + function writeCalls($calls) { + $this->calls = array_merge($this->calls, $calls); + } + + function finalise() { + $last_call = end($this->calls); + $this->writeCall(array($this->closingInstruction,array(), $last_call[2])); + + $this->process(); + $this->CallWriter->finalise(); + } + + function process() { + $first_call = reset($this->calls); + $this->CallWriter->writeCall(array("nest", array($this->calls), $first_call[2])); + } +} + +class Doku_Handler_List { + + var $CallWriter; + + var $calls = array(); + var $listCalls = array(); + var $listStack = array(); + + function __construct(& $CallWriter) { + $this->CallWriter = & $CallWriter; + } + + function writeCall($call) { + $this->calls[] = $call; + } + + // Probably not needed but just in case... + function writeCalls($calls) { + $this->calls = array_merge($this->calls, $calls); +# $this->CallWriter->writeCalls($this->calls); + } + + function finalise() { + $last_call = end($this->calls); + $this->writeCall(array('list_close',array(), $last_call[2])); + + $this->process(); + $this->CallWriter->finalise(); + } + + //------------------------------------------------------------------------ + function process() { + + foreach ( $this->calls as $call ) { + switch ($call[0]) { + case 'list_item': + $this->listOpen($call); + break; + case 'list_open': + $this->listStart($call); + break; + case 'list_close': + $this->listEnd($call); + break; + default: + $this->listContent($call); + break; + } + } + + $this->CallWriter->writeCalls($this->listCalls); + } + + //------------------------------------------------------------------------ + function listStart($call) { + $depth = $this->interpretSyntax($call[1][0], $listType); + + $this->initialDepth = $depth; + $this->listStack[] = array($listType, $depth); + + $this->listCalls[] = array('list'.$listType.'_open',array(),$call[2]); + $this->listCalls[] = array('listitem_open',array(1),$call[2]); + $this->listCalls[] = array('listcontent_open',array(),$call[2]); + } + + //------------------------------------------------------------------------ + function listEnd($call) { + $closeContent = TRUE; + + while ( $list = array_pop($this->listStack) ) { + if ( $closeContent ) { + $this->listCalls[] = array('listcontent_close',array(),$call[2]); + $closeContent = FALSE; + } + $this->listCalls[] = array('listitem_close',array(),$call[2]); + $this->listCalls[] = array('list'.$list[0].'_close', array(), $call[2]); + } + } + + //------------------------------------------------------------------------ + function listOpen($call) { + $depth = $this->interpretSyntax($call[1][0], $listType); + $end = end($this->listStack); + + // Not allowed to be shallower than initialDepth + if ( $depth < $this->initialDepth ) { + $depth = $this->initialDepth; + } + + //------------------------------------------------------------------------ + if ( $depth == $end[1] ) { + + // Just another item in the list... + if ( $listType == $end[0] ) { + $this->listCalls[] = array('listcontent_close',array(),$call[2]); + $this->listCalls[] = array('listitem_close',array(),$call[2]); + $this->listCalls[] = array('listitem_open',array($depth-1),$call[2]); + $this->listCalls[] = array('listcontent_open',array(),$call[2]); + + // Switched list type... + } else { + + $this->listCalls[] = array('listcontent_close',array(),$call[2]); + $this->listCalls[] = array('listitem_close',array(),$call[2]); + $this->listCalls[] = array('list'.$end[0].'_close', array(), $call[2]); + $this->listCalls[] = array('list'.$listType.'_open', array(), $call[2]); + $this->listCalls[] = array('listitem_open', array($depth-1), $call[2]); + $this->listCalls[] = array('listcontent_open',array(),$call[2]); + + array_pop($this->listStack); + $this->listStack[] = array($listType, $depth); + } + + //------------------------------------------------------------------------ + // Getting deeper... + } else if ( $depth > $end[1] ) { + + $this->listCalls[] = array('listcontent_close',array(),$call[2]); + $this->listCalls[] = array('list'.$listType.'_open', array(), $call[2]); + $this->listCalls[] = array('listitem_open', array($depth-1), $call[2]); + $this->listCalls[] = array('listcontent_open',array(),$call[2]); + + $this->listStack[] = array($listType, $depth); + + //------------------------------------------------------------------------ + // Getting shallower ( $depth < $end[1] ) + } else { + $this->listCalls[] = array('listcontent_close',array(),$call[2]); + $this->listCalls[] = array('listitem_close',array(),$call[2]); + $this->listCalls[] = array('list'.$end[0].'_close',array(),$call[2]); + + // Throw away the end - done + array_pop($this->listStack); + + while (1) { + $end = end($this->listStack); + + if ( $end[1] <= $depth ) { + + // Normalize depths + $depth = $end[1]; + + $this->listCalls[] = array('listitem_close',array(),$call[2]); + + if ( $end[0] == $listType ) { + $this->listCalls[] = array('listitem_open',array($depth-1),$call[2]); + $this->listCalls[] = array('listcontent_open',array(),$call[2]); + + } else { + // Switching list type... + $this->listCalls[] = array('list'.$end[0].'_close', array(), $call[2]); + $this->listCalls[] = array('list'.$listType.'_open', array(), $call[2]); + $this->listCalls[] = array('listitem_open', array($depth-1), $call[2]); + $this->listCalls[] = array('listcontent_open',array(),$call[2]); + + array_pop($this->listStack); + $this->listStack[] = array($listType, $depth); + } + + break; + + // Haven't dropped down far enough yet.... ( $end[1] > $depth ) + } else { + + $this->listCalls[] = array('listitem_close',array(),$call[2]); + $this->listCalls[] = array('list'.$end[0].'_close',array(),$call[2]); + + array_pop($this->listStack); + + } + + } + + } + } + + //------------------------------------------------------------------------ + function listContent($call) { + $this->listCalls[] = $call; + } + + //------------------------------------------------------------------------ + function interpretSyntax($match, & $type) { + if ( substr($match,-1) == '*' ) { + $type = 'u'; + } else { + $type = 'o'; + } + return count(explode(' ',str_replace("\t",' ',$match))); + } +} + +//------------------------------------------------------------------------ +class Doku_Handler_Preformatted { + + var $CallWriter; + + var $calls = array(); + var $pos; + var $text =''; + + + + function __construct(& $CallWriter) { + $this->CallWriter = & $CallWriter; + } + + function writeCall($call) { + $this->calls[] = $call; + } + + // Probably not needed but just in case... + function writeCalls($calls) { + $this->calls = array_merge($this->calls, $calls); +# $this->CallWriter->writeCalls($this->calls); + } + + function finalise() { + $last_call = end($this->calls); + $this->writeCall(array('preformatted_end',array(), $last_call[2])); + + $this->process(); + $this->CallWriter->finalise(); + } + + function process() { + foreach ( $this->calls as $call ) { + switch ($call[0]) { + case 'preformatted_start': + $this->pos = $call[2]; + break; + case 'preformatted_newline': + $this->text .= "\n"; + break; + case 'preformatted_content': + $this->text .= $call[1][0]; + break; + case 'preformatted_end': + $this->CallWriter->writeCall(array('preformatted',array($this->text),$this->pos)); + break; + } + } + } + +} + +//------------------------------------------------------------------------ +class Doku_Handler_Quote { + + var $CallWriter; + + var $calls = array(); + + var $quoteCalls = array(); + + function __construct(& $CallWriter) { + $this->CallWriter = & $CallWriter; + } + + function writeCall($call) { + $this->calls[] = $call; + } + + // Probably not needed but just in case... + function writeCalls($calls) { + $this->calls = array_merge($this->calls, $calls); +# $this->CallWriter->writeCalls($this->calls); + } + + function finalise() { + $last_call = end($this->calls); + $this->writeCall(array('quote_end',array(), $last_call[2])); + + $this->process(); + $this->CallWriter->finalise(); + } + + function process() { + + $quoteDepth = 1; + + foreach ( $this->calls as $call ) { + switch ($call[0]) { + + case 'quote_start': + + $this->quoteCalls[] = array('quote_open',array(),$call[2]); + + case 'quote_newline': + + $quoteLength = $this->getDepth($call[1][0]); + + if ( $quoteLength > $quoteDepth ) { + $quoteDiff = $quoteLength - $quoteDepth; + for ( $i = 1; $i <= $quoteDiff; $i++ ) { + $this->quoteCalls[] = array('quote_open',array(),$call[2]); + } + } else if ( $quoteLength < $quoteDepth ) { + $quoteDiff = $quoteDepth - $quoteLength; + for ( $i = 1; $i <= $quoteDiff; $i++ ) { + $this->quoteCalls[] = array('quote_close',array(),$call[2]); + } + } else { + if ($call[0] != 'quote_start') $this->quoteCalls[] = array('linebreak',array(),$call[2]); + } + + $quoteDepth = $quoteLength; + + break; + + case 'quote_end': + + if ( $quoteDepth > 1 ) { + $quoteDiff = $quoteDepth - 1; + for ( $i = 1; $i <= $quoteDiff; $i++ ) { + $this->quoteCalls[] = array('quote_close',array(),$call[2]); + } + } + + $this->quoteCalls[] = array('quote_close',array(),$call[2]); + + $this->CallWriter->writeCalls($this->quoteCalls); + break; + + default: + $this->quoteCalls[] = $call; + break; + } + } + } + + function getDepth($marker) { + preg_match('/>{1,}/', $marker, $matches); + $quoteLength = strlen($matches[0]); + return $quoteLength; + } +} + +//------------------------------------------------------------------------ +class Doku_Handler_Table { + + var $CallWriter; + + var $calls = array(); + var $tableCalls = array(); + var $maxCols = 0; + var $maxRows = 1; + var $currentCols = 0; + var $firstCell = FALSE; + var $lastCellType = 'tablecell'; + + function __construct(& $CallWriter) { + $this->CallWriter = & $CallWriter; + } + + function writeCall($call) { + $this->calls[] = $call; + } + + // Probably not needed but just in case... + function writeCalls($calls) { + $this->calls = array_merge($this->calls, $calls); +# $this->CallWriter->writeCalls($this->calls); + } + + function finalise() { + $last_call = end($this->calls); + $this->writeCall(array('table_end',array(), $last_call[2])); + + $this->process(); + $this->CallWriter->finalise(); + } + + //------------------------------------------------------------------------ + function process() { + foreach ( $this->calls as $call ) { + switch ( $call[0] ) { + case 'table_start': + $this->tableStart($call); + break; + case 'table_row': + $this->tableRowClose(array('tablerow_close',$call[1],$call[2])); + $this->tableRowOpen(array('tablerow_open',$call[1],$call[2])); + break; + case 'tableheader': + case 'tablecell': + $this->tableCell($call); + break; + case 'table_end': + $this->tableRowClose(array('tablerow_close',$call[1],$call[2])); + $this->tableEnd($call); + break; + default: + $this->tableDefault($call); + break; + } + } + $this->CallWriter->writeCalls($this->tableCalls); + } + + function tableStart($call) { + $this->tableCalls[] = array('table_open',array(),$call[2]); + $this->tableCalls[] = array('tablerow_open',array(),$call[2]); + $this->firstCell = TRUE; + } + + function tableEnd($call) { + $this->tableCalls[] = array('table_close',array(),$call[2]); + $this->finalizeTable(); + } + + function tableRowOpen($call) { + $this->tableCalls[] = $call; + $this->currentCols = 0; + $this->firstCell = TRUE; + $this->lastCellType = 'tablecell'; + $this->maxRows++; + } + + function tableRowClose($call) { + // Strip off final cell opening and anything after it + while ( $discard = array_pop($this->tableCalls ) ) { + + if ( $discard[0] == 'tablecell_open' || $discard[0] == 'tableheader_open') { + + // Its a spanning element - put it back and close it + if ( $discard[1][0] > 1 ) { + + $this->tableCalls[] = $discard; + if ( strstr($discard[0],'cell') ) { + $name = 'tablecell'; + } else { + $name = 'tableheader'; + } + $this->tableCalls[] = array($name.'_close',array(),$call[2]); + } + + break; + } + } + $this->tableCalls[] = $call; + + if ( $this->currentCols > $this->maxCols ) { + $this->maxCols = $this->currentCols; + } + } + + function tableCell($call) { + if ( !$this->firstCell ) { + + // Increase the span + $lastCall = end($this->tableCalls); + + // A cell call which follows an open cell means an empty cell so span + if ( $lastCall[0] == 'tablecell_open' || $lastCall[0] == 'tableheader_open' ) { + $this->tableCalls[] = array('colspan',array(),$call[2]); + + } + + $this->tableCalls[] = array($this->lastCellType.'_close',array(),$call[2]); + $this->tableCalls[] = array($call[0].'_open',array(1,NULL),$call[2]); + $this->lastCellType = $call[0]; + + } else { + + $this->tableCalls[] = array($call[0].'_open',array(1,NULL),$call[2]); + $this->lastCellType = $call[0]; + $this->firstCell = FALSE; + + } + + $this->currentCols++; + } + + function tableDefault($call) { + $this->tableCalls[] = $call; + } + + function finalizeTable() { + + // Add the max cols and rows to the table opening + if ( $this->tableCalls[0][0] == 'table_open' ) { + // Adjust to num cols not num col delimeters + $this->tableCalls[0][1][] = $this->maxCols - 1; + $this->tableCalls[0][1][] = $this->maxRows; + } else { + trigger_error('First element in table call list is not table_open'); + } + + $lastRow = 0; + $lastCell = 0; + $toDelete = array(); + + // Look for the colspan elements and increment the colspan on the + // previous non-empty opening cell. Once done, delete all the cells + // that contain colspans + foreach ( $this->tableCalls as $key => $call ) { + + if ( $call[0] == 'tablerow_open' ) { + + $lastRow = $key; + + } else if ( $call[0] == 'tablecell_open' || $call[0] == 'tableheader_open' ) { + + $lastCell = $key; + + } else if ( $call[0] == 'table_align' ) { + + // If the previous element was a cell open, align right + if ( $this->tableCalls[$key-1][0] == 'tablecell_open' || $this->tableCalls[$key-1][0] == 'tableheader_open' ) { + $this->tableCalls[$key-1][1][1] = 'right'; + + // If the next element if the close of an element, align either center or left + } else if ( $this->tableCalls[$key+1][0] == 'tablecell_close' || $this->tableCalls[$key+1][0] == 'tableheader_close' ) { + if ( $this->tableCalls[$lastCell][1][1] == 'right' ) { + $this->tableCalls[$lastCell][1][1] = 'center'; + } else { + $this->tableCalls[$lastCell][1][1] = 'left'; + } + + } + + // Now convert the whitespace back to cdata + $this->tableCalls[$key][0] = 'cdata'; + + } else if ( $call[0] == 'colspan' ) { + + $this->tableCalls[$key-1][1][0] = FALSE; + + for($i = $key-2; $i > $lastRow; $i--) { + + if ( $this->tableCalls[$i][0] == 'tablecell_open' || $this->tableCalls[$i][0] == 'tableheader_open' ) { + + if ( FALSE !== $this->tableCalls[$i][1][0] ) { + $this->tableCalls[$i][1][0]++; + break; + } + + + } + } + + $toDelete[] = $key-1; + $toDelete[] = $key; + $toDelete[] = $key+1; + } + } + + + // condense cdata + $cnt = count($this->tableCalls); + for( $key = 0; $key < $cnt; $key++){ + if($this->tableCalls[$key][0] == 'cdata'){ + $ckey = $key; + $key++; + while($this->tableCalls[$key][0] == 'cdata'){ + $this->tableCalls[$ckey][1][0] .= $this->tableCalls[$key][1][0]; + $toDelete[] = $key; + $key++; + } + continue; + } + } + + foreach ( $toDelete as $delete ) { + unset($this->tableCalls[$delete]); + } + $this->tableCalls = array_values($this->tableCalls); + } +} + +//------------------------------------------------------------------------ +class Doku_Handler_Section { + + function process($calls) { + + $sectionCalls = array(); + $inSection = FALSE; + + foreach ( $calls as $call ) { + + if ( $call[0] == 'header' ) { + + if ( $inSection ) { + $sectionCalls[] = array('section_close',array(), $call[2]); + } + + $sectionCalls[] = $call; + $sectionCalls[] = array('section_open',array($call[1][1]), $call[2]); + $inSection = TRUE; + + } else { + + if ($call[0] == 'section_open' ) { + $inSection = TRUE; + } else if ($call[0] == 'section_open' ) { + $inSection = FALSE; + } + $sectionCalls[] = $call; + } + } + + if ( $inSection ) { + $sectionCalls[] = array('section_close',array(), $call[2]); + } + + return $sectionCalls; + } + +} + +/** + * Handler for paragraphs + * + * @author Harry Fuecks + */ +class Doku_Handler_Block { + + var $calls = array(); + + var $blockStack = array(); + + var $inParagraph = FALSE; + var $atStart = TRUE; + var $skipEolKey = -1; + + // Blocks these should not be inside paragraphs + var $blockOpen = array( + 'header', + 'listu_open','listo_open','listitem_open','listcontent_open', + 'table_open','tablerow_open','tablecell_open','tableheader_open', + 'quote_open', + 'section_open', // Needed to prevent p_open between header and section_open + 'code','file','hr','preformatted','rss', + ); + + var $blockClose = array( + 'header', + 'listu_close','listo_close','listitem_close','listcontent_close', + 'table_close','tablerow_close','tablecell_close','tableheader_close', + 'quote_close', + 'section_close', // Needed to prevent p_close after section_close + 'code','file','hr','preformatted','rss', + ); + + // Stacks can contain paragraphs + var $stackOpen = array( + 'footnote_open','section_open', + ); + + var $stackClose = array( + 'footnote_close','section_close', + ); + + + /** + * Constructor. Adds loaded syntax plugins to the block and stack + * arrays + * + * @author Andreas Gohr + */ + function __construct(){ + global $DOKU_PLUGINS; + //check if syntax plugins were loaded + if(empty($DOKU_PLUGINS['syntax'])) return; + foreach($DOKU_PLUGINS['syntax'] as $n => $p){ + $ptype = $p->getPType(); + if($ptype == 'block'){ + $this->blockOpen[] = 'plugin_'.$n; + $this->blockClose[] = 'plugin_'.$n; + }elseif($ptype == 'stack'){ + $this->stackOpen[] = 'plugin_'.$n; + $this->stackClose[] = 'plugin_'.$n; + } + } + } + + /** + * Close a paragraph if needed + * + * This function makes sure there are no empty paragraphs on the stack + * + * @author Andreas Gohr + */ + function closeParagraph($pos){ + // look back if there was any content - we don't want empty paragraphs + $content = ''; + for($i=count($this->calls)-1; $i>=0; $i--){ + if($this->calls[$i][0] == 'p_open'){ + break; + }elseif($this->calls[$i][0] == 'cdata'){ + $content .= $this->calls[$i][1][0]; + }else{ + $content = 'found markup'; + break; + } + } + + if(trim($content)==''){ + //remove the whole paragraph + array_splice($this->calls,$i); + }else{ + if ($this->calls[count($this->calls)-1][0] == 'section_edit') { + $tmp = array_pop($this->calls); + $this->calls[] = array('p_close',array(), $pos); + $this->calls[] = $tmp; + } else { + $this->calls[] = array('p_close',array(), $pos); + } + } + + $this->inParagraph = FALSE; + } + + /** + * Processes the whole instruction stack to open and close paragraphs + * + * @author Harry Fuecks + * @author Andreas Gohr + * @todo This thing is really messy and should be rewritten + */ + function process($calls) { + foreach ( $calls as $key => $call ) { + $cname = $call[0]; + if($cname == 'plugin') { + $cname='plugin_'.$call[1][0]; + + $plugin = true; + $plugin_open = (($call[1][2] == DOKU_LEXER_ENTER) || ($call[1][2] == DOKU_LEXER_SPECIAL)); + $plugin_close = (($call[1][2] == DOKU_LEXER_EXIT) || ($call[1][2] == DOKU_LEXER_SPECIAL)); + } else { + $plugin = false; + } + + // Process blocks which are stack like... (contain linefeeds) + if ( in_array($cname,$this->stackOpen ) && (!$plugin || $plugin_open) ) { + + $this->calls[] = $call; + + // Hack - footnotes shouldn't immediately contain a p_open + if ( $cname != 'footnote_open' ) { + $this->addToStack(); + } else { + $this->addToStack(FALSE); + } + continue; + } + + if ( in_array($cname,$this->stackClose ) && (!$plugin || $plugin_close)) { + + if ( $this->inParagraph ) { + $this->closeParagraph($call[2]); + } + $this->calls[] = $call; + $this->removeFromStack(); + continue; + } + + if ( !$this->atStart ) { + + if ( $cname == 'eol' ) { + + // Check this isn't an eol instruction to skip... + if ( $this->skipEolKey != $key ) { + // Look to see if the next instruction is an EOL + if ( isset($calls[$key+1]) && $calls[$key+1][0] == 'eol' ) { + + if ( $this->inParagraph ) { + //$this->calls[] = array('p_close',array(), $call[2]); + $this->closeParagraph($call[2]); + } + + $this->calls[] = array('p_open',array(), $call[2]); + $this->inParagraph = TRUE; + + + // Mark the next instruction for skipping + $this->skipEolKey = $key+1; + + }else{ + //if this is just a single eol make a space from it + $this->calls[] = array('cdata',array(" "), $call[2]); + } + } + + + } else { + + $storeCall = TRUE; + if ( $this->inParagraph && (in_array($cname, $this->blockOpen) && (!$plugin || $plugin_open))) { + $this->closeParagraph($call[2]); + $this->calls[] = $call; + $storeCall = FALSE; + } + + if ( in_array($cname, $this->blockClose) && (!$plugin || $plugin_close)) { + if ( $this->inParagraph ) { + $this->closeParagraph($call[2]); + } + if ( $storeCall ) { + $this->calls[] = $call; + $storeCall = FALSE; + } + + // This really sucks and suggests this whole class sucks but... + if ( isset($calls[$key+1])) { + $cname_plusone = $calls[$key+1][0]; + if ($cname_plusone == 'plugin') { + $cname_plusone = 'plugin'.$calls[$key+1][1][0]; + + // plugin test, true if plugin has a state which precludes it requiring blockOpen or blockClose + $plugin_plusone = true; + $plugin_test = ($call[$key+1][1][2] == DOKU_LEXER_MATCHED) || ($call[$key+1][1][2] == DOKU_LEXER_MATCHED); + } else { + $plugin_plusone = false; + } + if ((!in_array($cname_plusone, $this->blockOpen) && !in_array($cname_plusone, $this->blockClose)) || + ($plugin_plusone && $plugin_test) + ) { + + $this->calls[] = array('p_open',array(), $call[2]); + $this->inParagraph = TRUE; + } + } + } + + if ( $storeCall ) { + $this->calls[] = $call; + } + + } + + + } else { + + // Unless there's already a block at the start, start a paragraph + if ( !in_array($cname,$this->blockOpen) ) { + $this->calls[] = array('p_open',array(), $call[2]); + if ( $call[0] != 'eol' ) { + $this->calls[] = $call; + } + $this->atStart = FALSE; + $this->inParagraph = TRUE; + } else { + $this->calls[] = $call; + $this->atStart = FALSE; + } + + } + + } + + if ( $this->inParagraph ) { + if ( $cname == 'p_open' ) { + // Ditch the last call + array_pop($this->calls); + } else if ( !in_array($cname, $this->blockClose) ) { + //$this->calls[] = array('p_close',array(), $call[2]); + $this->closeParagraph($call[2]); + } else { + $last_call = array_pop($this->calls); + //$this->calls[] = array('p_close',array(), $call[2]); + $this->closeParagraph($call[2]); + $this->calls[] = $last_call; + } + } + + return $this->calls; + } + + function addToStack($newStart = TRUE) { + $this->blockStack[] = array($this->atStart, $this->inParagraph); + $this->atStart = $newStart; + $this->inParagraph = FALSE; + } + + function removeFromStack() { + $state = array_pop($this->blockStack); + $this->atStart = $state[0]; + $this->inParagraph = $state[1]; + } +} + +//Setup VIM: ex: et ts=4 enc=utf-8 : -- cgit v1.2.3-70-g09d2