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<?php |
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namespace JsonCollectionParser; |
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use JsonStreamingParser\Listener\ListenerInterface; |
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class Listener implements ListenerInterface |
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{ |
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/** |
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* @var array |
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*/ |
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protected $stack; |
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/** |
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* @var string |
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*/ |
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protected $key; |
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/** |
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* @var int |
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*/ |
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protected $level; |
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/** |
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* @var int |
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*/ |
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protected $objectLevel; |
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/** |
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* @var array |
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*/ |
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protected $objectKeys; |
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/** |
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* @var callback|callable |
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*/ |
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protected $callback; |
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/** |
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* @var bool |
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*/ |
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protected $assoc; |
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/** |
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* @param callback|callable $callback callback for parsed collection item |
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* @param bool $assoc When true, returned objects will be converted into associative arrays |
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*/ |
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public function __construct($callback, $assoc = true) |
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{ |
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$this->callback = $callback; |
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$this->assoc = $assoc; |
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} |
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public function startDocument(): void |
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{ |
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$this->stack = []; |
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$this->key = null; |
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$this->objectLevel = 0; |
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$this->level = 0; |
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$this->objectKeys = []; |
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} |
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public function endDocument(): void |
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{ |
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$this->stack = []; |
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} |
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public function startObject(): void |
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{ |
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$this->objectLevel++; |
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$this->startCommon(); |
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} |
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public function endObject(): void |
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{ |
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$this->endCommon(); |
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$this->objectLevel--; |
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if ($this->objectLevel === 0) { |
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$obj = array_pop($this->stack); |
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$obj = reset($obj); |
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call_user_func($this->callback, $obj); |
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} |
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} |
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public function startArray(): void |
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{ |
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$this->startCommon(); |
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} |
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public function startCommon(): void |
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{ |
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$this->level++; |
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$this->objectKeys[$this->level] = ($this->key) ? $this->key : null; |
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$this->key = null; |
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array_push($this->stack, []); |
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} |
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public function endArray(): void |
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{ |
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$this->endCommon(false); |
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} |
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public function endCommon($isObject = true): void |
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{ |
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$obj = array_pop($this->stack); |
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if ($isObject && !$this->assoc) { |
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$obj = (object)$obj; |
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} |
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if (!empty($this->stack)) { |
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$parentObj = array_pop($this->stack); |
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if ($this->objectKeys[$this->level]) { |
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$objectKey = $this->objectKeys[$this->level]; |
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$parentObj[$objectKey] = $obj; |
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unset($this->objectKeys[$this->level]); |
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} else { |
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$parentObj[] = $obj; |
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} |
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} else { |
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$parentObj = [$obj]; |
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} |
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array_push($this->stack, $parentObj); |
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$this->level--; |
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} |
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public function key(string $key): void |
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{ |
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$this->key = $key; |
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} |
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/** |
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* @param mixed $value |
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*/ |
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public function value($value): void |
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{ |
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$obj = array_pop($this->stack); |
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if ($this->key) { |
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$obj[$this->key] = $value; |
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$this->key = null; |
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} else { |
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array_push($obj, $value); |
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} |
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array_push($this->stack, $obj); |
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} |
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public function whitespace(string $whitespace): void |
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157
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{ |
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158
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} |
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159
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} |
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160
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MAXakaWIZARD /
JsonCollectionParser
