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<?php |
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namespace Dallgoot\Yaml; |
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use 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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*/ |
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class NodeKey extends Node |
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{ |
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const ERROR_NO_KEYNAME = self::class.": key has NO IDENTIFIER on line %d"; |
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public function __construct(string $nodeString, int $line, array $matches = null) |
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{ |
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parent::__construct($nodeString, $line); |
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if (is_null($matches)) { |
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if (!((bool) preg_match(Regex::KEY, ltrim($nodeString), $matches))) { |
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throw new \Exception("Not a KEY:VALUE syntax ($nodeString)", 1); |
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} |
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} |
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$this->setIdentifier(trim($matches[1], '"\' ')); |
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$value = isset($matches[2]) ? trim($matches[2]) : null; |
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if (!empty($value)) { |
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$child = NodeFactory::get($value, $line); |
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$child->indent = null; |
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$this->add($child); |
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} |
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} |
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public function setIdentifier(string $keyString) |
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{ |
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if ($keyString === '') { |
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throw new \ParseError(sprintf(self::ERROR_NO_KEYNAME, $this->line)); |
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} else { |
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$keyNode = NodeFactory::get($keyString); |
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if (!is_null($keyNode->anchor)) { |
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$this->anchor = $keyNode->anchor; |
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$anchor = $keyNode->anchor; |
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$pos = strlen($keyNode->anchor); |
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$this->identifier = $keyNode->value->raw; |
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} elseif (!is_null($keyNode->tag)) { |
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$this->tag = $keyNode->tag; |
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$raw = $keyNode->raw; |
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$pos = strlen($keyNode->tag); |
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$this->identifier = trim(substr($raw, $pos)); |
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} elseif ($keyNode instanceof NodeScalar) { |
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$this->identifier = ltrim($keyNode->raw); |
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} |
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} |
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} |
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public function add(Node $child):Node |
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{ |
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if ($this->value instanceof Node && Yaml::isOneOf($this->value, ['NodeLit','NodeLitFolded', 'NodeAnchor'])) { |
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return $this->value->add($child); |
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} else { |
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return parent::add($child); |
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} |
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} |
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public function getTargetOnEqualIndent(Node &$node):Node |
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{ |
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if ($node instanceof NodeItem) { |
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return $this; |
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} |
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return $this->getParent(); |
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} |
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public function getTargetOnMoreIndent(Node &$node):Node |
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{ |
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if (!is_null($this->value)) { |
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if ($this->getDeepestNode()->isAwaitingChild($node)) { |
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return $this->getDeepestNode(); |
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} |
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} |
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return $this; |
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} |
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public function isAwaitingChild(Node $node):bool |
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{ |
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if (is_null($this->value) || $node instanceof NodeComment) { |
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return true; |
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} |
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$current = $this->value instanceof Node ? $this->value : $this->value->current(); |
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if ($current instanceof NodeComment) { |
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return true; |
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} |
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if($current instanceof NodeScalar) { |
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return Yaml::isOneOf($node, ['NodeScalar', 'NodeBlank']); |
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} |
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if ($current instanceof NodeItem) { |
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return $node instanceof NodeItem; |
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} |
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if ($current instanceof NodeKey) { |
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return $node instanceof NodeKey; |
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} |
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if ($current instanceof NodeLiterals) { |
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return $node->indent > $this->indent; |
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} |
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if ($current instanceof NodeAnchor) { |
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return $current->isAwaitingChild($node); |
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} |
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return false; |
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} |
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/** |
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* Builds a key and set the property + value to the given parent |
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* |
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* @param object|array $parent The parent |
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* |
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* @throws \ParseError if Key has no name(identifier) Note: empty string is allowed |
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* @return null|\StdClass |
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*/ |
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public function build(&$parent = null) |
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{ |
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if (!is_null($this->tag)) { |
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return TagFactory::transform($this->tag, $this)->build($parent); |
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} |
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$result = is_null($this->value) ? null : $this->value->build(); |
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if (is_null($parent)) { |
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$parent = new \StdClass; |
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$parent->{$this->identifier} = $result; |
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return $parent; |
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} else { |
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$parent->{$this->identifier} = $result; |
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} |
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} |
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} |
dallgoot /
yaml
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