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<?php |
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namespace Dallgoot\Yaml; |
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/** |
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* |
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* @author Stéphane Rebai <[email protected]> |
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* @license Apache 2.0 |
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* @link TODO : url to specific online doc |
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* @todo implement Indentation indicator 8.1.1 |
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*/ |
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abstract class NodeLiterals extends Node |
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{ |
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abstract protected function getFinalString(NodeList $list):string; |
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public function __construct(string $nodeString, int $line) |
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{ |
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parent::__construct($nodeString, $line); |
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if (isset($nodeString[1]) && in_array($nodeString[1], ['-', '+'])) { |
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$this->identifier = $nodeString[1]; |
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} |
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} |
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public function add(Node $child):Node |
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{ |
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if (is_null($this->value)) $this->value = new NodeList(); |
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$candidate = $child; |
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if (!isOneOf($child, ['NodeScalar', 'NodeBlank', 'NodeComment', 'NodeQuoted'])) { |
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$candidate = new NodeScalar($child->raw, $child->line); |
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} |
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return parent::add($candidate); |
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} |
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protected static function litteralStripLeading(NodeList &$list) |
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{ |
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$list->rewind(); |
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while ($list->bottom() instanceof NodeBlank) {//remove leading blank |
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$list->shift(); |
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$list->rewind(); |
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} |
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$list->rewind(); |
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} |
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protected static function litteralStripTrailing(NodeList &$list) |
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{ |
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$list->rewind(); |
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while ($list->top() instanceof NodeBlank) {//remove trailing blank |
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$list->pop(); |
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} |
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$list->rewind(); |
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} |
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/** |
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* Builds a litteral (folded or not) |
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* As per Documentation : 8.1.1.2. Block Chomping Indicator |
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* Chomping controls how final line breaks and trailing empty lines are interpreted. |
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* YAML provides three chomping methods: |
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* Clip (default behavior) : FINAL_LINE_BREAK, NO TRAILING EMPTY LINES |
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* Strip (“-” chomping indicator) NO FINAL_LINE_BREAK, NO TRAILING EMPTY LINES |
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* Keep (“+” chomping indicator) FINAL_LINE_BREAK && TRAILING EMPTY LINES |
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*/ |
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public function build(&$parent = null) |
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{ |
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$result = ''; |
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if (!is_null($this->_tag)) { |
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return TagFactory::transform($this->_tag, $this->value)->build($parent); |
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} |
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if (!is_null($this->value)) { |
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$tmp = $this->getFinalString($this->value->filterComment()); |
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$result = $this->identifier === '-' ? $tmp : $tmp."\n"; |
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} |
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if ($this->_parent instanceof NodeRoot) { |
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$this->getRoot()->getYamlObject()->setText($result); |
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} else { |
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return $result; |
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} |
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} |
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protected function getChildValue(Node $child, int $refIndent):string |
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{ |
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$value = $child->value; |
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$start = ''; |
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if (is_null($value)) { |
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return $child instanceof NodeQuoted ? $child->build() : ltrim($child->raw); |
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} elseif ($value instanceof Node) { |
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if ($child instanceof NodeKey || $child instanceof NodeItem) { |
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$start = ltrim($child->raw)."\n"; |
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} |
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return $this->getFinalString(new NodeList($value), $refIndent); |
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} elseif ($value instanceof NodeList) { |
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if ($child instanceof NodeKey || $child instanceof NodeItem) { |
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$start = ltrim($child->raw)."\n"; |
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} |
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return $start.$this->getFinalString($value, $refIndent); |
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} |
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return ''; |
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} |
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public function isAwaitingChild(Node $node):bool |
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{ |
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return true; |
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} |
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} |
dallgoot /
yaml
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