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| 1 | <?php |
| 2 | |
| 3 | /* |
| 4 | * This program is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU General Public License |
| 6 | * as published by the Free Software Foundation; under version 2 |
| 7 | * of the License (non-upgradable). |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, write to the Free Software |
| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 17 | * |
| 18 | * Copyright (c) 2002-2008 (original work) Public Research Centre Henri Tudor & University of Luxembourg |
| 19 | * (under the project TAO & TAO2); |
| 20 | * 2008-2010 (update and modification) Deutsche Institut für Internationale Pädagogische Forschung |
| 21 | * (under the project TAO-TRANSFER); |
| 22 | * 2009-2012 (update and modification) Public Research Centre Henri Tudor |
| 23 | * (under the project TAO-SUSTAIN & TAO-DEV); |
| 24 | * |
| 25 | */ |
| 26 | |
| 27 | /** |
| 28 | * An abstract SQL Parser. |
| 29 | * Concrete SQL Parser for installation should implement this class. |
| 30 | * |
| 31 | * @author Jerome BOGARTS <jerome.bogaerts@tudor.lu> |
| 32 | * @package tao |
| 33 | |
| 34 | */ |
| 35 | abstract class tao_install_utils_SQLParser implements tao_install_utils_Parser |
| 36 | { |
| 37 | private $file; |
| 38 | private $statements; |
| 39 | |
| 40 | /** |
| 41 | * Creates a new instance of tao_install_utils_SQLParser. |
| 42 | */ |
| 43 | public function __construct($file = 'unknown_path') |
| 44 | { |
| 45 | $this->setFile($file); |
| 46 | $this->setStatements([]); |
| 47 | } |
| 48 | |
| 49 | /** |
| 50 | * Sets the path to the SQL file that has to be parsed. |
| 51 | * @param string $file The file path to the SQL file to parse. |
| 52 | * @return void |
| 53 | */ |
| 54 | public function setFile($file) |
| 55 | { |
| 56 | $this->file = $file; |
| 57 | } |
| 58 | |
| 59 | /** |
| 60 | * Gets the path to the SQL file that has to be parsed. |
| 61 | * @return string The the path the SQL file that has to be parsed. |
| 62 | */ |
| 63 | public function getFile() |
| 64 | { |
| 65 | return $this->file; |
| 66 | } |
| 67 | |
| 68 | /** |
| 69 | * Sets the array of string that represents the parsed SQL statements. |
| 70 | * @param array $statements an array of SQL statements as strings. |
| 71 | * @return void |
| 72 | */ |
| 73 | protected function setStatements(array $statements) |
| 74 | { |
| 75 | $this->statements = $statements; |
| 76 | } |
| 77 | |
| 78 | /** |
| 79 | * Gets the array of SQL statements parsed by the parser. It is empty |
| 80 | * until the first call of the parse() method or if no SQL statements |
| 81 | * were found. |
| 82 | * @return array an array of SQL statements as string. |
| 83 | */ |
| 84 | public function getStatements() |
| 85 | { |
| 86 | return $this->statements; |
| 87 | } |
| 88 | |
| 89 | /** |
| 90 | * Adds a statement to the collection of parsed SQL statements. |
| 91 | * @param string $statement The SQL statement to add. |
| 92 | * @return void |
| 93 | */ |
| 94 | protected function addStatement($statement) |
| 95 | { |
| 96 | array_push($this->statements, $statement); |
| 97 | } |
| 98 | } |