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<?php
if(!defined('DOKU_INC')) define('DOKU_INC',fullpath(dirname(__FILE__).'/../../').'/');
if (!defined('DOKU_PARSER_EOL')) define('DOKU_PARSER_EOL',"\n"); // add this to make handling test cases simpler
class Doku_Handler {
var $Renderer = NULL;
var $CallWriter = NULL;
var $calls = array();
var $status = array(
'section' => false,
'section_edit_start' => -1,
'section_edit_level' => 1,
'section_edit_title' => ''
);
var $rewriteBlocks = true;
function Doku_Handler() {
$this->CallWriter = & new Doku_Handler_CallWriter($this);
}
function _addCall($handler, $args, $pos) {
$call = array($handler,$args, $pos);
$this->CallWriter->writeCall($call);
}
function addPluginCall($plugin, $args, $state, $pos) {
$call = array('plugin',array($plugin, $args, $state), $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 $call['value'];
}
return false;
}
/**
* Special plugin handler
*
* This handler is called for all modes starting with 'plugin_'.
* An additional parameter with the plugin name is passed
*
* @author Andreas Gohr <andi@splitbrain.org>
*/
function plugin($match, $state, $pos, $pluginname){
$data = array($match);
$plugin =& plugin_load('syntax',$pluginname);
if($plugin != null){
$data = $plugin->handle($match, $state, $pos, $this);
}
$this->addPluginCall($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 ) {
$this->_addCall('php',array($match), $pos);
}
return true;
}
function phpblock($match, $state, $pos) {
global $conf;
if ( $state == DOKU_LEXER_UNMATCHED ) {
$this->_addCall('phpblock',array($match), $pos);
}
return true;
}
function html($match, $state, $pos) {
global $conf;
if ( $state == DOKU_LEXER_UNMATCHED ) {
$this->_addCall('html',array($match), $pos);
}
return true;
}
function htmlblock($match, $state, $pos) {
global $conf;
if ( $state == DOKU_LEXER_UNMATCHED ) {
$this->_addCall('htmlblock',array($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(), $pos);
return true;
}
function apostrophe($match, $state, $pos) {
$this->_addCall('apostrophe',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-Z0-9\.]+>{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]),
$pos
);
}elseif ( preg_match('<'.PREG_PATTERN_VALID_EMAIL.'>',$link[0]) ) {
// E-Mail (pattern above is defined in inc/mail.php)
$this->_addCall(
'emaillink',
array($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) {
$url = $match;
$title = null;
// add protocol on simple short URLs
if(substr($url,0,3) == 'ftp' && (substr($url,0,6) != 'ftp://')){
$title = $url;
$url = 'ftp://'.$url;
}
if(substr($url,0,3) == 'www' && (substr($url,0,7) != 'http://')){
$title = $url;
$url = 'http://'.$url;
}
$this->_addCall('externallink',array($url, $title), $pos);
return true;
}
function emaillink($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)){
$linking = 'direct';
}else if(preg_match('/linkonly/i',$param)){
$linking = 'linkonly';
}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 Doku_Handler_CallWriter(& $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 <chris@jalakai.co.uk>
*/
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 Doku_Handler_Nest(& $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() {
// merge consecutive cdata
$unmerged_calls = $this->calls;
$this->calls = array();
foreach ($unmerged_calls as $call) $this->addCall($call);
$first_call = reset($this->calls);
$this->CallWriter->writeCall(array("nest", array($this->calls), $first_call[2]));
}
function addCall($call) {
$key = count($this->calls);
if ($key and ($call[0] == 'cdata') and ($this->calls[$key-1][0] == 'cdata')) {
$this->calls[$key-1][1][0] .= $call[1][0];
} else {
$this->calls[] = $call;
}
}
}
class Doku_Handler_List {
var $CallWriter;
var $calls = array();
var $listCalls = array();
var $listStack = array();
function Doku_Handler_List(& $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 Doku_Handler_Preformatted(& $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 .= $call[1][0];
break;
case 'preformatted_end':
if (trim($this->text)) {
$this->CallWriter->writeCall(array('preformatted',array($this->text),$this->pos));
}
break;
}
}
}
}
//------------------------------------------------------------------------
class Doku_Handler_Quote {
var $CallWriter;
var $calls = array();
var $quoteCalls = array();
function Doku_Handler_Quote(& $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);
}
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 Doku_Handler_Table(& $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);
}
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 <hfuecks@gmail.com>
*/
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',
'htmlblock','phpblock',
);
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',
'htmlblock','phpblock',
);
// 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 <andi@splitbrain.org>
*/
function Doku_Handler_Block(){
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 <andi@splitbrain.org>
*/
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);
}
}
$this->inParagraph = false;
}
/**
* Processes the whole instruction stack to open and close paragraphs
*
* @author Harry Fuecks <hfuecks@gmail.com>
* @author Andreas Gohr <andi@splitbrain.org>
* @todo This thing is really messy and should be rewritten
*/
function process($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->addCall(array('cdata',array(DOKU_PARSER_EOL), $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 ) {
$this->addCall($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 {
$this->addCall($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 = $state[1];
}
function addCall($call) {
$key = count($this->calls);
if ($key and ($call[0] == 'cdata') and ($this->calls[$key-1][0] == 'cdata')) {
$this->calls[$key-1][1][0] .= $call[1][0];
} else {
$this->calls[] = $call;
}
}
}
//Setup VIM: ex: et ts=4 enc=utf-8 :
|