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Ataxya
2021-10-26 13:02:53 +02:00
commit 73843b66ce
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content/inc/Parsing/Handler/Lists.php Normal file
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<?php
namespace dokuwiki\Parsing\Handler;
class Lists extends AbstractRewriter
{
protected $listCalls = array();
protected $listStack = array();
protected $initialDepth = 0;
const NODE = 1;
/** @inheritdoc */
public function finalise()
{
$last_call = end($this->calls);
$this->writeCall(array('list_close',array(), $last_call[2]));
$this->process();
$this->callWriter->finalise();
unset($this->callWriter);
}
/** @inheritdoc */
public 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);
return $this->callWriter;
}
protected function listStart($call)
{
$depth = $this->interpretSyntax($call[1][0], $listType);
$this->initialDepth = $depth;
// array(list type, current depth, index of current listitem_open)
$this->listStack[] = array($listType, $depth, 1);
$this->listCalls[] = array('list'.$listType.'_open',array(),$call[2]);
$this->listCalls[] = array('listitem_open',array(1),$call[2]);
$this->listCalls[] = array('listcontent_open',array(),$call[2]);
}
protected 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(), $call[2]);
}
}
protected function listOpen($call)
{
$depth = $this->interpretSyntax($call[1][0], $listType);
$end = end($this->listStack);
$key = key($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]);
// new list item, update list stack's index into current listitem_open
$this->listStack[$key][2] = count($this->listCalls) - 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, $depth, count($this->listCalls) - 2);
}
} elseif ($depth > $end[1]) { // Getting deeper...
$this->listCalls[] = array('listcontent_close',array(),$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]);
// set the node/leaf state of this item's parent listitem_open to NODE
$this->listCalls[$this->listStack[$key][2]][1][1] = self::NODE;
$this->listStack[] = array($listType, $depth, count($this->listCalls) - 2);
} else { // Getting shallower ( $depth < $end[1] )
$this->listCalls[] = array('listcontent_close',array(),$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);
$key = key($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]);
// new list item, update list stack's index into current listitem_open
$this->listStack[$key][2] = count($this->listCalls) - 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, $depth, count($this->listCalls) - 2);
}
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);
}
}
}
}
protected function listContent($call)
{
$this->listCalls[] = $call;
}
protected function interpretSyntax($match, & $type)
{
if (substr($match, -1) == '*') {
$type = 'u';
} else {
$type = 'o';
}
// Is the +1 needed? It used to be count(explode(...))
// but I don't think the number is seen outside this handler
return substr_count(str_replace("\t", ' ', $match), ' ') + 1;
}
}