77 lines
3.3 KiB
PHP
77 lines
3.3 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
|
|
/**
|
|
* This SQL Parser is able to deal with Stored Procedures and Functions
|
|
* for mySQL server in a compliant SQL file. The following statements are supported.
|
|
*
|
|
* - DROP PROCEDURE
|
|
* - DROP FUNCTION
|
|
* - CREATE PROCEDURE
|
|
* - CREATE FUNCTION
|
|
*
|
|
* @author Jerome BOGAERTS <jerome.bogaerts@tudor.lu>
|
|
* @package tao
|
|
|
|
*
|
|
*/
|
|
class tao_install_utils_MysqlProceduresParser extends tao_install_utils_SQLParser
|
|
{
|
|
|
|
/**
|
|
* Parse a SQL file containing mySQL compliant Procedures or Functions.
|
|
* @return void
|
|
* @throws tao_install_utils_SQLParsingException
|
|
*/
|
|
public function parse()
|
|
{
|
|
$this->setStatements([]);
|
|
$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.");
|
|
}
|
|
|
|
$content = @file_get_contents($file);
|
|
if ($content !== false) {
|
|
$matches = [];
|
|
$patterns = [ 'DROP\s+FUNCTION\s+IF\s+EXISTS\s*\w+\s*;',
|
|
'DROP\s+PROCEDURE\s+IF\s+EXISTS\s*\w+\s*;',
|
|
'CREATE\s+PROCEDURE\s+\w+\s*\(.*\)\s*(?:(?:NOT\s+){0,1}DETERMINISTIC){0,1}\s*BEGIN\s+(?:.*\s*;\s*)*END\s*;',
|
|
'CREATE\s+(DEFINER = \w+\s+)FUNCTION\s+\w+\s*\(.*\)\s*RETURNS\s+(?:.*)\s*(?:(?:NOT\s+){0,1}DETERMINISTIC){0,1}\s*(?:CONTAINS SQL\s+|NO SQL\s+|READS SQL DATA\s+|MODIFIES SQL DATA\s+|SQL SECURITY INVOKER\s+)*\s*BEGIN\s+(?:.*\s*;\s*)*END\s*;'];
|
|
|
|
if (preg_match_all('/' . implode($patterns, '|') . '/i', $content, $matches)) {
|
|
foreach ($matches[0] as $match) {
|
|
$this->addStatement($match);
|
|
}
|
|
}
|
|
} else {
|
|
throw new tao_install_utils_SQLParsingException("SQL file '${file}' cannot be read. An unknown error occured while reading it.");
|
|
}
|
|
}
|
|
}
|