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<?php |
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namespace Dallgoot\Yaml; |
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use Dallgoot\Yaml\{Yaml as Y, Regex as R}; |
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/** |
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* Constructs the result (YamlObject or array) according to every Node and respecting value |
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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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final class Builder |
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{ |
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private static $_root; |
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private static $_debug; |
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const ERROR_NO_KEYNAME = self::class.": key has NO IDENTIFIER on line %d"; |
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const INVALID_DOCUMENT = self::class.": DOCUMENT %d can NOT be a mapping AND a sequence"; |
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/** |
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* Builds a file. check multiple documents & split if more than one documents |
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* |
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* @param Node $_root The root node : Node with Node->type === YAML::ROOT |
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* @param int $_debug the level of debugging requested |
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* |
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* @return array|YamlObject list of documents or just one. |
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* @todo implement splitting on YAML::DOC_END also |
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*/ |
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public static function buildContent(Node $_root, int $_debug) |
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{ |
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self::$_debug = $_debug; |
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$totalDocStart = 0; |
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$documents = []; |
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if ($_root->value instanceof Node) { |
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$q = new NodeList; |
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$q->push($_root->value); |
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// return self::buildNodeList($q, new YamlObject); |
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self::$_root = new YamlObject; |
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$tmp = self::buildNodeList($q, self::$_root); |
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// var_dump('alone', $tmp); |
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return $tmp; |
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} |
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$_root->value instanceof NodeList && $_root->value->setIteratorMode(NodeList::IT_MODE_DELETE); |
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foreach ($_root->value as $child) { |
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if ($child->type & Y::DOC_START) $totalDocStart++; |
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//if 0 or 1 DOC_START = we are still in first document |
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$currentDoc = $totalDocStart > 1 ? $totalDocStart - 1 : 0; |
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if (!isset($documents[$currentDoc])) $documents[$currentDoc] = new NodeList(); |
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$documents[$currentDoc]->push($child); |
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} |
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// $content = array_map([self::class, 'buildDocument'], $documents, array_keys($documents)); |
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$content = []; |
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foreach ($documents as $num => $list) { |
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try { |
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self::$_root = new YamlObject; |
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// $tmp = var_dump('insideforeach'.$tmp); |
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$content[] = self::buildNodeList($list, self::$_root); |
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} catch (\Exception $e) { |
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throw new \ParseError(sprintf(self::INVALID_DOCUMENT, $num)); |
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} |
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} |
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// $content = array_map([self::class, 'buildNodeList'], $documents, array_keys($documents)); |
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return count($content) === 1 ? $content[0] : $content; |
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} |
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/** |
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* Generic function to distinguish between Node and NodeList |
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* |
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* @param Node|NodeList $node The node. |
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* @param mixed $parent The parent |
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* |
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* @return mixed ( description_of_the_return_value ) |
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*/ |
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private static function build(object $node, &$parent = null) |
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{ |
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if ($node instanceof NodeList) return self::buildNodeList($node, $parent); |
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return self::buildNode($node, $parent); |
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} |
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/** |
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* Builds a node list. |
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* |
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* @param NodeList $node The node |
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* @param mixed $parent The parent |
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* |
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* @return mixed The parent (object|array) or a string representing the NodeList. |
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*/ |
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private static function buildNodeList(NodeList $node, &$parent=null) |
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{ |
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if (is_null($node->type)) { |
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$childTypes = $node->getTypes(); |
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if ($childTypes & (Y::KEY|Y::SET_KEY)) { |
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if ($childTypes & Y::ITEM) { |
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// TODO: replace the document index in HERE ----------v |
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throw new \ParseError(sprintf(self::INVALID_DOCUMENT, 0)); |
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} else { |
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$node->type = Y::MAPPING; |
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} |
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} else { |
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if ($childTypes & Y::ITEM) { |
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$node->type = Y::SEQUENCE; |
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} elseif (!($childTypes & Y::COMMENT)) { |
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$node->type = Y::LITT_FOLDED; |
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} |
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} |
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} |
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if ($node->type & (Y::RAW | Y::LITTERALS)) { |
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return self::buildLitteral($node, (int) $node->type); |
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} |
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$action = function ($child, &$parent, &$out) { |
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self::build($child, $out); |
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}; |
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if ($node->type & (Y::COMPACT_MAPPING|Y::MAPPING|Y::SET)) { |
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$out = $parent ?? new \StdClass; |
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} elseif ($node->type & (Y::COMPACT_SEQUENCE|Y::SEQUENCE)) { |
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$out = $parent ?? []; |
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} else { |
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$out = ''; |
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$action = function ($child, &$out) { |
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if ($child->type & (Y::SCALAR|Y::QUOTED)) { |
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if ($parent) { |
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$parent->setText(self::build($child)); |
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} else { |
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$out .= self::build($child); |
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} |
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} |
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}; |
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} |
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foreach ($node as $child) { |
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$action($child, $parent, $out); |
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} |
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if ($node->type & (Y::COMPACT_SEQUENCE|Y::COMPACT_MAPPING)) { |
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$out = new Compact($out); |
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} |
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return is_null($out) ? $parent : $out; |
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} |
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/** |
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* Builds a node. |
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* |
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* @param Node $node The node of any Node->type |
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* @param mixed $parent The parent |
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* |
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* @return mixed The node value as scalar, array or object or null to otherwise. |
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*/ |
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private static function buildNode(Node $node, &$parent) |
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{ |
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extract((array) $node, EXTR_REFS); |
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if ($type & (Y::REF_DEF | Y::REF_CALL)) { |
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if (is_object($value)) { |
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$tmp = self::build($value, $parent) ?? $parent; |
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} else { |
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$tmp = Node2PHP::get($node); |
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} |
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if ($type === Y::REF_DEF) self::$_root->addReference($identifier, $tmp); |
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return self::$_root->getReference($identifier); |
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} |
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if ($type & (Y::COMPACT_MAPPING|Y::COMPACT_SEQUENCE)) { |
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return self::buildNodeList($node->value, $parent); |
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} |
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if ($type & Y::COMMENT) self::$_root->addComment($node->line, $node->value); |
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$typesActions = [Y::DIRECTIVE => 'buildDirective', |
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Y::ITEM => 'buildItem', |
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Y::KEY => 'buildKey', |
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Y::SET_KEY => 'buildSetKey', |
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Y::SET_VALUE => 'buildSetValue', |
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Y::TAG => 'buildTag', |
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]; |
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if (isset($typesActions[$type])) { |
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return self::{$typesActions[$type]}($node, $parent); |
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} |
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return is_object($value) ? self::build($value, $parent) : Node2PHP::get($node); |
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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 Node $node The node with type YAML::KEY |
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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 |
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*/ |
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private static function buildKey(Node $node, &$parent=null) |
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{ |
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extract((array) $node, EXTR_REFS); |
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if (is_null($identifier)) { |
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throw new \ParseError(sprintf(self::ERROR_NO_KEYNAME, $line)); |
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} else { |
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if ($value instanceof Node) { |
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if ($value->type & (Y::ITEM|Y::KEY)) { |
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$list = new NodeList(); |
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$list->push($value); |
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$list->type = $value->type & Y::ITEM ? Y::SEQUENCE : Y::MAPPING; |
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$value = $list; |
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} else { |
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$result = self::build($value); |
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} |
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} |
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if ($value instanceof NodeList) { |
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$childTypes = $value->getTypes(); |
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if (is_null($value->type) && $childTypes & Y::SCALAR && !($childTypes & Y::COMMENT)) { |
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$result = self::buildLitteral($value, Y::LITT_FOLDED); |
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} else { |
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$result = self::buildNodeList($value); |
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} |
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} |
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if (is_null($parent)) { |
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return $result; |
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} else { |
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if (is_array($parent)) { |
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$parent[$identifier] = $result; |
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} else { |
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$parent->{$identifier} = $result; |
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} |
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} |
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} |
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} |
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/** |
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* Builds an item. Adds the item value to the parent array|Iterator |
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* |
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* @param Node $node The node with type YAML::ITEM |
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* @param array|\Iterator $parent The parent |
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* |
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* @throws \Exception if parent is another type than array or object Iterator |
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* @return null |
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*/ |
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private static function buildItem(Node $node, &$parent) |
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{ |
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extract((array) $node, EXTR_REFS);//var_dump(__METHOD__); |
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if (!is_array($parent) && !($parent instanceof \ArrayIterator)) { |
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throw new \Exception("parent must be an Iterable not ".(is_object($parent) ? get_class($parent) : gettype($parent)), 1); |
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} |
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$ref = $parent instanceof \ArrayIterator ? $parent->getArrayCopy() : $parent; |
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$numKeys = array_filter(array_keys($ref), 'is_int'); |
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$key = count($numKeys) > 0 ? max($numKeys) + 1 : 0; |
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if ($value instanceof Node) { |
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if($value->type & Y::KEY) { |
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self::buildKey($node->value, $parent); |
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return; |
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} elseif ($value->type & Y::ITEM) { |
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$list = new NodeList(); |
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$list->push($value); |
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$list->type = Y::SEQUENCE; |
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$result = self::buildNodeList($list); |
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} else { |
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$result = self::build($value); |
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} |
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} elseif ($value instanceof NodeList) { |
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$result = self::buildNodeList($value); |
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} |
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$parent[$key] = $result; |
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} |
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/** |
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* Builds a litteral (folded or not) or any NodeList that has YAML::RAW type (like a multiline value) |
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* |
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* @param NodeList $children The children |
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* @param integer $type The type |
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* |
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* @return string The litteral. |
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*/ |
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private static function buildLitteral(NodeList $children, int $type):string |
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{ |
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$lines = []; |
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$children->rewind(); |
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$refIndent = $children->current()->indent; |
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//remove trailing blank nodes |
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$max = $children->count() - 1; |
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while ($children->offsetGet($max)->type & Y::BLANK) { |
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$children->offsetUnset($max); |
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$max = $children->count() - 1; |
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} |
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$children->rewind(); |
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// TODO : Example 6.1. Indentation Spaces spaces must be considered as content |
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foreach ($children as $child) { |
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if ($child->value instanceof NodeList) { |
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$lines[] = self::buildLitteral($child->value, $type); |
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} else { |
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$prefix = ''; |
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if ($type & Y::LITT_FOLDED && ($child->indent > $refIndent || ($child->type & Y::BLANK))) { |
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$prefix = "\n"; |
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} |
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if (!($child->type & (Y::SCALAR|Y::BLANK))) { |
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switch ($child->type) { |
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case Y::ITEM: $child->value = '- '.$child->value;break; |
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case Y::COMMENT: $child->value = '# '.$child->value;break; |
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default: //die(__METHOD__.Y::getName($child->type)); |
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} |
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} |
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$val = $child->value; |
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while (is_object($val)) { |
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$val = $val->value; |
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} |
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299
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|
|
$lines[] = $prefix.trim($val); |
|
300
|
|
|
} |
|
301
|
|
|
} |
|
302
|
|
|
if ($type & Y::RAW) return implode('', $lines); |
|
303
|
|
|
if ($type & Y::LITT) return implode("\n", $lines); |
|
304
|
|
|
if ($type & Y::LITT_FOLDED) return preg_replace(['/ +(\n)/','/(\n+) +/'], "$1", implode(' ', $lines)); |
|
305
|
|
|
// TODO : rewrite without 'preg_replace' if ($type & Y::LITT_FOLDED) return implode(' ', $lines); |
|
306
|
|
|
return ''; |
|
307
|
|
|
} |
|
308
|
|
|
|
|
309
|
|
|
/** |
|
310
|
|
|
* Builds a set key. |
|
311
|
|
|
* |
|
312
|
|
|
* @param Node $node The node of type YAML::SET_KEY. |
|
313
|
|
|
* @param object $parent The parent |
|
314
|
|
|
* |
|
315
|
|
|
* @throws \Exception if a problem occurs during serialisation (json format) of the key |
|
316
|
|
|
*/ |
|
|
|
|
|
|
317
|
|
|
private function buildSetKey(Node $node, &$parent) |
|
|
|
|
|
|
318
|
|
|
{ |
|
319
|
|
|
$built = is_object($node->value) ? self::build($node->value) : null; |
|
320
|
|
|
$stringKey = is_string($built) && Regex::isProperlyQuoted($built) ? trim($built, '\'" '): $built; |
|
321
|
|
|
$key = json_encode($stringKey, JSON_PARTIAL_OUTPUT_ON_ERROR|JSON_UNESCAPED_SLASHES); |
|
322
|
|
|
// if (empty($key)) throw new \Exception("Cant serialize complex key: ".var_export($node->value, true), 1); |
|
323
|
|
|
$parent->{trim($key, '\'" ')} = null; |
|
324
|
|
|
} |
|
325
|
|
|
|
|
326
|
|
|
/** |
|
327
|
|
|
* Builds a set value. |
|
328
|
|
|
* |
|
329
|
|
|
* @param Node $node The node of type YAML::SET_VALUE |
|
330
|
|
|
* @param object $parent The parent (the document object or any previous object created through a mapping key) |
|
331
|
|
|
*/ |
|
|
|
|
|
|
332
|
|
|
private function buildSetValue(Node $node, &$parent) |
|
|
|
|
|
|
333
|
|
|
{ |
|
334
|
|
|
$prop = array_keys(get_object_vars($parent)); |
|
335
|
|
|
$key = end($prop); |
|
336
|
|
|
if ($node->value->type & (Y::ITEM|Y::KEY|Y::SEQUENCE|Y::MAPPING)) { |
|
337
|
|
|
$p = $node->value->type === Y::ITEM ? [] : new \StdClass; |
|
338
|
|
|
self::build($node->value, $p); |
|
|
|
|
|
|
339
|
|
|
} else { |
|
340
|
|
|
$p = self::build($node->value, $parent->{$key}); |
|
341
|
|
|
} |
|
342
|
|
|
$parent->{$key} = $p; |
|
343
|
|
|
} |
|
344
|
|
|
|
|
345
|
|
|
/** |
|
346
|
|
|
* Builds a tag and its value (also built) and encapsulates them in a Tag object. |
|
347
|
|
|
* |
|
348
|
|
|
* @param Node $node The node of type YAML::TAG |
|
349
|
|
|
* @param mixed $parent The parent |
|
350
|
|
|
* |
|
351
|
|
|
* @return Tag|null The tag object of class Dallgoot\Yaml\Tag. |
|
352
|
|
|
*/ |
|
353
|
|
|
private static function buildTag(Node $node, &$parent) |
|
354
|
|
|
{ |
|
355
|
|
|
$name = (string) $node->identifier; |
|
356
|
|
|
if ($parent === self::$_root && empty($node->value)) { |
|
357
|
|
|
$parent->addTag($name); |
|
358
|
|
|
return; |
|
359
|
|
|
} |
|
360
|
|
|
$target = $node->value; |
|
361
|
|
|
if ($node->value instanceof Node) { |
|
362
|
|
|
if ($node->value->type & (Y::KEY|Y::ITEM)) { |
|
363
|
|
|
if (is_null($parent)) { |
|
364
|
|
|
$target = new NodeList; |
|
365
|
|
|
$target->push($node->value); |
|
366
|
|
|
$target->type = $node->value->type & Y::KEY ? Y::MAPPING : Y::SEQUENCE; |
|
367
|
|
|
} else { |
|
368
|
|
|
$node->value->type & Y::KEY ? self::buildKey($node->value, $parent) : self::buildItem($node->value, $parent); |
|
369
|
|
|
} |
|
370
|
|
|
} |
|
371
|
|
|
} |
|
372
|
|
|
//TODO: have somewhere a list of common tags and their treatment |
|
373
|
|
|
// if (in_array($node->identifier, ['!binary', '!str'])) { |
|
374
|
|
|
// $target->type = Y::RAW; |
|
375
|
|
|
// } |
|
376
|
|
|
return new Tag($name, is_object($target) ? self::build($target) : null); |
|
377
|
|
|
} |
|
378
|
|
|
|
|
379
|
|
|
/** |
|
380
|
|
|
* Builds a directive. NOT IMPLEMENTED YET |
|
381
|
|
|
* |
|
382
|
|
|
* @param Node $node The node |
|
383
|
|
|
* @param mixed $parent The parent |
|
384
|
|
|
*/ |
|
|
|
|
|
|
385
|
|
|
private function buildDirective(Node $node, $parent) |
|
|
|
|
|
|
386
|
|
|
{ |
|
387
|
|
|
// TODO : implement |
|
388
|
|
|
} |
|
389
|
|
|
} |
|
390
|
|
|
|
dallgoot /
yaml
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