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<?php |
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namespace dokuwiki\Parsing\Handler; |
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class Lists implements ReWriterInterface |
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{ |
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/** @var CallWriterInterface original call writer */ |
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protected $callWriter; |
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protected $calls = array(); |
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protected $listCalls = array(); |
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protected $listStack = array(); |
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protected $initialDepth = 0; |
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const NODE = 1; |
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/** @inheritdoc */ |
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public function __construct(CallWriterInterface $CallWriter) |
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{ |
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$this->callWriter = $CallWriter; |
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} |
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/** @inheritdoc */ |
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public function writeCall($call) |
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{ |
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$this->calls[] = $call; |
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} |
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/** |
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* @inheritdoc |
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* Probably not needed but just in case... |
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*/ |
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public function writeCalls($calls) |
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{ |
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$this->calls = array_merge($this->calls, $calls); |
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} |
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/** @inheritdoc */ |
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public function finalise() |
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{ |
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$last_call = end($this->calls); |
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$this->writeCall(array('list_close',array(), $last_call[2])); |
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$this->process(); |
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$this->callWriter->finalise(); |
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unset($this->callWriter); |
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} |
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/** @inheritdoc */ |
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public function process() |
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{ |
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foreach ($this->calls as $call) { |
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switch ($call[0]) { |
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case 'list_item': |
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$this->listOpen($call); |
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break; |
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case 'list_open': |
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$this->listStart($call); |
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break; |
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case 'list_close': |
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$this->listEnd($call); |
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break; |
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default: |
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$this->listContent($call); |
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break; |
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} |
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} |
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$this->callWriter->writeCalls($this->listCalls); |
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return $this->callWriter; |
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} |
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protected function listStart($call) |
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{ |
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$depth = $this->interpretSyntax($call[1][0], $listType); |
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$this->initialDepth = $depth; |
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// array(list type, current depth, index of current listitem_open) |
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$this->listStack[] = array($listType, $depth, 1); |
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$this->listCalls[] = array('list'.$listType.'_open',array(),$call[2]); |
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$this->listCalls[] = array('listitem_open',array(1),$call[2]); |
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$this->listCalls[] = array('listcontent_open',array(),$call[2]); |
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} |
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protected function listEnd($call) |
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{ |
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$closeContent = true; |
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while ($list = array_pop($this->listStack)) { |
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if ($closeContent) { |
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$this->listCalls[] = array('listcontent_close',array(),$call[2]); |
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$closeContent = false; |
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} |
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$this->listCalls[] = array('listitem_close',array(),$call[2]); |
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$this->listCalls[] = array('list'.$list[0].'_close', array(), $call[2]); |
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} |
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} |
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protected function listOpen($call) |
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{ |
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$depth = $this->interpretSyntax($call[1][0], $listType); |
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$end = end($this->listStack); |
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$key = key($this->listStack); |
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// Not allowed to be shallower than initialDepth |
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if ($depth < $this->initialDepth) { |
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$depth = $this->initialDepth; |
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} |
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if ($depth == $end[1]) { |
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// Just another item in the list... |
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if ($listType == $end[0]) { |
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$this->listCalls[] = array('listcontent_close',array(),$call[2]); |
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$this->listCalls[] = array('listitem_close',array(),$call[2]); |
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$this->listCalls[] = array('listitem_open',array($depth-1),$call[2]); |
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$this->listCalls[] = array('listcontent_open',array(),$call[2]); |
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// new list item, update list stack's index into current listitem_open |
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$this->listStack[$key][2] = count($this->listCalls) - 2; |
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// Switched list type... |
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} else { |
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$this->listCalls[] = array('listcontent_close',array(),$call[2]); |
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$this->listCalls[] = array('listitem_close',array(),$call[2]); |
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$this->listCalls[] = array('list'.$end[0].'_close', array(), $call[2]); |
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$this->listCalls[] = array('list'.$listType.'_open', array(), $call[2]); |
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$this->listCalls[] = array('listitem_open', array($depth-1), $call[2]); |
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$this->listCalls[] = array('listcontent_open',array(),$call[2]); |
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array_pop($this->listStack); |
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$this->listStack[] = array($listType, $depth, count($this->listCalls) - 2); |
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} |
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} elseif ($depth > $end[1]) { // Getting deeper... |
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$this->listCalls[] = array('listcontent_close',array(),$call[2]); |
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$this->listCalls[] = array('list'.$listType.'_open', array(), $call[2]); |
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$this->listCalls[] = array('listitem_open', array($depth-1), $call[2]); |
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$this->listCalls[] = array('listcontent_open',array(),$call[2]); |
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// set the node/leaf state of this item's parent listitem_open to NODE |
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$this->listCalls[$this->listStack[$key][2]][1][1] = self::NODE; |
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$this->listStack[] = array($listType, $depth, count($this->listCalls) - 2); |
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} else { // Getting shallower ( $depth < $end[1] ) |
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$this->listCalls[] = array('listcontent_close',array(),$call[2]); |
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$this->listCalls[] = array('listitem_close',array(),$call[2]); |
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$this->listCalls[] = array('list'.$end[0].'_close',array(),$call[2]); |
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// Throw away the end - done |
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array_pop($this->listStack); |
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while (1) { |
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$end = end($this->listStack); |
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$key = key($this->listStack); |
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if ($end[1] <= $depth) { |
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// Normalize depths |
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$depth = $end[1]; |
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$this->listCalls[] = array('listitem_close',array(),$call[2]); |
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if ($end[0] == $listType) { |
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$this->listCalls[] = array('listitem_open',array($depth-1),$call[2]); |
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$this->listCalls[] = array('listcontent_open',array(),$call[2]); |
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// new list item, update list stack's index into current listitem_open |
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$this->listStack[$key][2] = count($this->listCalls) - 2; |
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} else { |
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// Switching list type... |
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$this->listCalls[] = array('list'.$end[0].'_close', array(), $call[2]); |
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$this->listCalls[] = array('list'.$listType.'_open', array(), $call[2]); |
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$this->listCalls[] = array('listitem_open', array($depth-1), $call[2]); |
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$this->listCalls[] = array('listcontent_open',array(),$call[2]); |
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array_pop($this->listStack); |
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$this->listStack[] = array($listType, $depth, count($this->listCalls) - 2); |
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} |
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break; |
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// Haven't dropped down far enough yet.... ( $end[1] > $depth ) |
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} else { |
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$this->listCalls[] = array('listitem_close',array(),$call[2]); |
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$this->listCalls[] = array('list'.$end[0].'_close',array(),$call[2]); |
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array_pop($this->listStack); |
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} |
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} |
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} |
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} |
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protected function listContent($call) |
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{ |
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$this->listCalls[] = $call; |
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} |
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protected function interpretSyntax($match, & $type) |
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{ |
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if (substr($match, -1) == '*') { |
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$type = 'u'; |
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} else { |
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$type = 'o'; |
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} |
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// Is the +1 needed? It used to be count(explode(...)) |
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// but I don't think the number is seen outside this handler |
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return substr_count(str_replace("\t", ' ', $match), ' ') + 1; |
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} |
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} |
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splitbrain /
dokuwiki
