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<?php |
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/****************************************************************************** |
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* An implementation of dicto (scg.unibe.ch/dicto) in and for PHP. |
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* |
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* Copyright (c) 2016, 2015 Richard Klees <[email protected]> |
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* |
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* This software is licensed under The MIT License. You should have received |
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* a copy of the license along with the code. |
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*/ |
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namespace Lechimp\Dicto\App; |
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use Doctrine\DBAL\DriverManager; |
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class DBFactory { |
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/** |
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* Create a new database for index at path. |
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* |
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* @param string $path |
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* @throws \RuntimeException if database already exists. |
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* @return IndexDB |
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*/ |
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public function build_index_db($path) { |
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if (file_exists($path)) { |
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throw new \RuntimeException("File at '$path' already exists, can't build database."); |
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} |
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$connection = $this->build_connection($path); |
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$db = new IndexDB($connection); |
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$db->init_sqlite_regexp(); |
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$db->init_database_schema(); |
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return $db; |
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} |
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/** |
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* Check if an index database exists. |
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* |
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* @param string $path |
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* @return bool |
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*/ |
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public function index_db_exists($path) { |
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return file_exists($path); |
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} |
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/** |
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* Load existing index database. |
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* |
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* @param string $path |
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* @throws \RuntimeException if file does not exist |
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* @return IndexDB |
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*/ |
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public function load_index_db($path) { |
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if (!$this->index_db_exists($path)) { |
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throw new \RuntimeException("There is no index database at '$path'"); |
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} |
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$connection = $this->build_connection($path); |
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$db = new IndexDB($connection); |
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$db->init_sqlite_regexp(); |
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return $db; |
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} |
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protected function build_connection($path) { |
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assert('is_string($path)'); |
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return DriverManager::getConnection |
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( array |
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( "driver" => "pdo_sqlite" |
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, "memory" => false |
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, "path" => $path |
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) |
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); |
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} |
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} |
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lechimp-p /
dicto.php
