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<?php |
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declare(strict_types=1); |
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namespace Crossjoin\Browscap\Parser\Sqlite\Adapter; |
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use Crossjoin\Browscap\Exception\ParserConditionNotSatisfiedException; |
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use Crossjoin\Browscap\Exception\ParserConfigurationException; |
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use Crossjoin\Browscap\Exception\ParserRuntimeException; |
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/** |
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* Class Sqlite3 |
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* |
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* @package Crossjoin\Browscap\Parser\Sqlite\Adapter |
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* @author Christoph Ziegenberg <[email protected]> |
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* @link https://github.com/crossjoin/browscap |
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*/ |
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class Sqlite3 extends AdapterAbstract implements AdapterInterface, AdapterFactoryInterface |
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{ |
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/** |
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* @var \SQLite3 |
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*/ |
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protected $connection; |
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/** |
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* Sqlite3 constructor. |
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* |
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* @inheritdoc |
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* |
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* @throws ParserConditionNotSatisfiedException |
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*/ |
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public function __construct(string $fileName) |
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{ |
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if (!$this->checkConditions()) { |
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throw new ParserConditionNotSatisfiedException('Sqlite3 extension missing.'); |
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} |
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parent::__construct($fileName); |
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} |
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/** |
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* @return bool |
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*/ |
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protected function checkConditions() : bool |
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{ |
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return class_exists('\SQLite3'); |
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} |
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/** |
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* @return \SQLite3 |
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* @throws ParserConfigurationException |
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*/ |
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protected function getConnection() : \SQLite3 |
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{ |
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if ($this->connection === null) { |
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try { |
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$this->connection = new \SQLite3($this->getFileName()); |
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} catch (\Exception $e) { |
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throw new ParserConfigurationException( |
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"Could not connect to database '" . $this->getFileName() . "'.", 0, $e |
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); |
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} |
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} |
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return $this->connection; |
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} |
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/** |
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* @inheritdoc |
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* |
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* @throws ParserConfigurationException |
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* @throws ParserRuntimeException |
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*/ |
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public function beginTransaction() : bool |
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{ |
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$result = @$this->getConnection()->exec('BEGIN TRANSACTION'); |
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if ($result === false) { |
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throw new ParserRuntimeException('Transaction could not be started.', 0); |
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} |
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return $result; |
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} |
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/** |
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* @inheritdoc |
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* |
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* @throws ParserConfigurationException |
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* @throws ParserRuntimeException |
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*/ |
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public function commitTransaction() : bool |
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{ |
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$result = @$this->getConnection()->exec('COMMIT TRANSACTION'); |
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if ($result === false) { |
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throw new ParserRuntimeException('Transaction could not be committed.', 0); |
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} |
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return $result; |
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} |
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/** |
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* @inheritdoc |
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* |
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* @throws ParserConfigurationException |
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* @throws ParserRuntimeException |
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*/ |
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public function query(string $statement) : array |
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{ |
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$result = @$this->getConnection()->query($statement); |
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if ($result === false) { |
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throw new ParserRuntimeException('Statement could not be executed.', 0); |
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} |
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$results = []; |
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while ($row = $result->fetchArray(\SQLITE3_ASSOC)) { |
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$results[] = $row; |
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} |
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return $results; |
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} |
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/** |
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* @inheritdoc |
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* |
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* @throws ParserConfigurationException |
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* @throws ParserRuntimeException |
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*/ |
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public function prepare(string $statement) : PreparedStatementInterface |
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{ |
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$preparedStatement = @$this->getConnection()->prepare($statement); |
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if ($preparedStatement === false) { |
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throw new ParserRuntimeException('Statement could not be prepared.', 0); |
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} |
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return new Sqlite3PreparedStatement($preparedStatement); |
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} |
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/** |
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* @inheritdoc |
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* |
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* @throws ParserConfigurationException |
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* @throws ParserRuntimeException |
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*/ |
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public function exec(string $statement) : bool |
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{ |
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$result = @$this->getConnection()->exec($statement); |
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if ($result === false) { |
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throw new ParserRuntimeException('Statement could not be executed.', 0); |
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} |
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return $result; |
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} |
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public function __destruct() |
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{ |
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$this->connection = null; |
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} |
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} |
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crossjoin /
Browscap
