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<?php |
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namespace dokuwiki\Parsing\Handler; |
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/** |
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* Generic call writer class to handle nesting of rendering instructions |
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* within a render instruction. Also see nest() method of renderer base class |
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* |
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* @author Chris Smith <[email protected]> |
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*/ |
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class Nest implements ReWriterInterface |
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{ |
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/** @var CallWriterInterface original CallWriter */ |
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protected $callWriter; |
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protected $calls = array(); |
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protected $closingInstruction; |
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/** |
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* @inheritdoc |
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* |
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* @param CallWriterInterface $CallWriter the parser's current call writer, i.e. the one above us in the chain |
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* @param string $close closing instruction name, this is required to properly terminate the |
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* syntax mode if the document ends without a closing pattern |
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*/ |
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public function __construct(CallWriterInterface $CallWriter, $close = "nest_close") |
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{ |
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$this->callWriter = $CallWriter; |
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$this->closingInstruction = $close; |
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} |
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/** @inheritdoc */ |
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public function writeCall($call) |
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{ |
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$this->calls[] = $call; |
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} |
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/** @inheritdoc */ |
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public function writeCalls($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($this->closingInstruction,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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// merge consecutive cdata |
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$unmerged_calls = $this->calls; |
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$this->calls = array(); |
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foreach ($unmerged_calls as $call) $this->addCall($call); |
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$first_call = reset($this->calls); |
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$this->callWriter->writeCall(array("nest", array($this->calls), $first_call[2])); |
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return $this->callWriter; |
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} |
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protected function addCall($call) |
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{ |
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$key = count($this->calls); |
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if ($key and ($call[0] == 'cdata') and ($this->calls[$key-1][0] == 'cdata')) { |
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$this->calls[$key-1][1][0] .= $call[1][0]; |
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} elseif ($call[0] == 'eol') { |
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// do nothing (eol shouldn't be allowed, to counter preformatted fix in #1652 & #1699) |
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} else { |
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$this->calls[] = $call; |
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} |
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} |
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} |
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splitbrain /
dokuwiki
