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<?php |
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namespace Dallgoot\Yaml; |
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use Dallgoot\Yaml\Nodes\NodeGeneric; |
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use Dallgoot\Yaml\NodeList; |
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use Dallgoot\Yaml\Nodes\Root; |
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use Dallgoot\Yaml\Nodes\DocEnd; |
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use Dallgoot\Yaml\Nodes\DocStart; |
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/** |
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* Constructs the result (YamlObject or array) according to every Nodes and their values |
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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 https://github.com/dallgoot/yaml |
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*/ |
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final class Builder |
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{ |
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/** @var boolean */ |
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public $dateAsObject = false; |
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private $_options; |
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private $_debug = 0; |
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const INVALID_DOCUMENT = "DOCUMENT %d is invalid,"; |
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public function __construct($options, $debug) |
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{ |
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$this->_options = $options; |
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$this->_debug = $debug; |
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} |
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/** |
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* Builds a YAM content. check multiple documents & split if more than one documents |
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* |
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* @param Root $root The NodeRoot node |
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* @param int $_debug the level of debugging requested |
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* |
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* @return array|YamlObject|null list of documents or just one, null if appropriate debug lvl |
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*/ |
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public function buildContent(Root $root) |
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{ |
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if ($this->_debug === 2) { |
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print_r($root); |
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return null; |
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1 |
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} |
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$documents = []; |
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$buffer = new NodeList(); |
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try { |
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foreach ($root->value as $child) { |
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if ($child instanceof DocEnd && $child !== $root->value->top()) { |
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$this->pushAndSave($child, $buffer, $documents); |
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} elseif ($child instanceof DocStart && $buffer->count() > 0 && $buffer->hasContent()) { |
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$this->saveAndPush($child, $buffer, $documents); |
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} else { |
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$buffer->push($child); |
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} |
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} |
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$documents[] = $this->buildDocument($buffer, count($documents) +1); |
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} catch (\Throwable $e) { |
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throw new \Exception($e->getMessage(), 1, $e); |
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} |
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return count($documents) === 1 ? $documents[0] : $documents; |
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} |
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/** |
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* Builds the tree of Node (NodeList) for this document |
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* |
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* @param NodeList $list the list of nodes that constitutes the current document |
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* @param int $docNum the index (starts @ 0) of this document in the whole YAML content provided to $this->buildContent |
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* |
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* @return YamlObject the YAML document as an object |
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*/ |
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public function buildDocument(NodeList &$list, int $docNum):YamlObject |
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{ |
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$yamlObject = new YamlObject($this->_options); |
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$rootNode = new Root(); |
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$list->setIteratorMode(NodeList::IT_MODE_DELETE); |
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try { |
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foreach ($list as $child) { |
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$rootNode->add($child); |
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} |
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if ($this->_debug === 3) { |
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echo "Document #$docNum\n"; |
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print_r($rootNode); |
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} |
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return $rootNode->build($yamlObject); |
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} catch (\Throwable $e) { |
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throw new \ParseError(sprintf(self::INVALID_DOCUMENT, $docNum).':'.$e->getMessage(), 2, $e); |
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} |
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} |
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public function pushAndSave(NodeGeneric $child, NodeList &$buffer, array &$documents) |
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{ |
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$buffer->push($child); |
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$documents[] = $this->buildDocument($buffer, count($documents) + 1); |
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$buffer = new NodeList(); |
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} |
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public function saveAndPush(NodeGeneric $child, NodeList &$buffer, array &$documents) |
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{ |
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$documents[] = $this->buildDocument($buffer, count($documents) + 1); |
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$buffer = new NodeList($child); |
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} |
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107
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} |
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dallgoot /
yaml
