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<?php |
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namespace JsonCollectionParser; |
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use JsonStreamingParser\Parser as BaseParser; |
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class Parser |
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{ |
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/** |
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* @var array |
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*/ |
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protected $options = [ |
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'line_ending' => "\n", |
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'emit_whitespace' => false, |
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]; |
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/** |
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* @var BaseParser |
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*/ |
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protected $parser; |
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/** |
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* @var bool |
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*/ |
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protected $gzipSupported; |
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/** |
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* @var resource |
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*/ |
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protected $stream; |
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public function __construct() |
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{ |
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$this->gzipSupported = extension_loaded('zlib'); |
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} |
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/** |
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* @param string|resource $input File path or resource |
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* @param callback|callable $itemCallback Callback |
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* @param bool $assoc Parse as associative arrays |
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* |
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* @throws \Exception |
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*/ |
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public function parse($input, $itemCallback, $assoc = true) |
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{ |
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$this->checkCallback($itemCallback); |
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$stream = $this->openStream($input); |
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try { |
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$listener = new Listener($itemCallback, $assoc); |
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$this->parser = new BaseParser( |
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$stream, |
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$listener, |
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$this->getOption('line_ending'), |
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$this->getOption('emit_whitespace') |
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); |
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$this->parser->parse(); |
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} catch (\Exception $e) { |
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$this->closeStream($stream); |
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throw $e; |
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} |
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$this->closeStream($stream); |
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} |
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/** |
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* @param string|resource $input File path or resource |
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* @param callback|callable $itemCallback Callback |
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* |
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* @throws \Exception |
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*/ |
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public function parseAsObjects($input, $itemCallback) |
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{ |
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$this->parse($input, $itemCallback, false); |
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} |
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/** |
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* |
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*/ |
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public function stop() |
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{ |
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$this->parser->stop(); |
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} |
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/** |
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* @param callback|callable $callback |
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* |
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* @throws \Exception |
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*/ |
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protected function checkCallback($callback) |
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{ |
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if (!is_callable($callback)) { |
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throw new \Exception("Callback should be callable"); |
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} |
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} |
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/** |
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* @param string|resource $input File path or resource |
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* |
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* @return resource |
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* @throws \Exception |
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*/ |
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protected function openStream($input) |
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{ |
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if (is_resource($input)) { |
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return $input; |
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} |
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if (!is_file($input)) { |
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throw new \Exception('File does not exist: ' . $input); |
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} |
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$stream = $this->gzipSupported ? @gzopen($input, 'r') : @fopen($input, 'r'); |
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if (false === $stream) { |
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throw new \Exception('Unable to open file for read: ' . $input); |
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} |
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return $stream; |
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} |
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/** |
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* @param resource $stream |
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*/ |
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protected function closeStream($stream) |
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{ |
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if (!is_resource($stream)) { |
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return; |
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} |
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$this->gzipSupported ? gzclose($stream) : fclose($stream); |
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} |
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/** |
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* @param string $name |
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* @param mixed $value |
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*/ |
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public function setOption($name, $value) |
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{ |
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$this->options[$name] = $value; |
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} |
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/** |
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* @param string $name |
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* |
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* @return mixed |
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147
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*/ |
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public function getOption($name) |
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149
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{ |
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150
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if (isset($this->options[$name])) { |
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return $this->options[$name]; |
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} else { |
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return null; |
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} |
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} |
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} |
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MAXakaWIZARD /
JsonCollectionParser
