83 lines
2.2 KiB
PHP
83 lines
2.2 KiB
PHP
<?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 <chris@jalakai.co.uk>
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*/
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class Nest extends AbstractRewriter
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{
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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, $close = "nest_close")
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{
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parent::__construct($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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/**
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* @param array $call
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*/
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protected function addCall($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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