tao-test/app/tao/install/utils/class.SimpleSQLParser.php

83 lines
3.2 KiB
PHP

<?php
/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; under version 2
* of the License (non-upgradable).
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Copyright (c) 2002-2008 (original work) Public Research Centre Henri Tudor & University of Luxembourg (under the project TAO & TAO2);
* 2008-2010 (update and modification) Deutsche Institut für Internationale Pädagogische Forschung (under the project TAO-TRANSFER);
* 2009-2012 (update and modification) Public Research Centre Henri Tudor (under the project TAO-SUSTAIN & TAO-DEV);
*
*/
?>
<?php
/**
* A simple XML parser that is able to parse SQL files with Simple statements.
* Please note that complex statements like Procedure or Functions are not
* supported by this implementation.
*
* @author Jerome BOGAERTS <jerome.bogaerts@tudor.lu>
* @package tao
*/
class tao_install_utils_SimpleSQLParser extends tao_install_utils_SQLParser
{
/**
* Parses a SQL file containing simple statements.
* @return void
* @throws tao_install_utils_SQLParsingException
*/
public function parse()
{
$this->setStatements([]);
//common file checks
$file = $this->getFile();
if (!file_exists($file)) {
throw new tao_install_utils_SQLParsingException("SQL file '${file}' does not exist.");
} elseif (!is_readable($file)) {
throw new tao_install_utils_SQLParsingException("SQL file '${file}' is not readable.");
} elseif (!preg_match("/\.sql$/", basename($file))) {
throw new tao_install_utils_SQLParsingException("File '${file}' is not a valid SQL file. Extension '.sql' not found.");
}
if ($handler = fopen($file, "r")) {
//parse file and get only usefull lines
$ch = "";
while (!feof($handler)) {
$line = utf8_decode(fgets($handler));
if (isset($line[0]) && ($line[0] != '#') && ($line[0] != '-')) {
$ch = $ch . $line;
}
}
//explode and execute
$requests = explode(";", $ch);
try {
foreach ($requests as $index => $request) {
$requestTrim = trim($request);
if (!empty($requestTrim)) {
$this->addStatement($request);
}
}
} catch (Exception $e) {
throw new tao_install_utils_SQLParsingException("Error executing query #$index : $request . " . $e->getMessage());
}
fclose($handler);
}
}
}