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<?php
/**
* Set of functions used to build NHibernate dumps of tables
*/
declare(strict_types=1);
namespace PhpMyAdmin\Plugins\Export;
use PhpMyAdmin\Plugins\Export\Helpers\TableProperty;
use PhpMyAdmin\Plugins\ExportPlugin;
use PhpMyAdmin\Properties\Options\Groups\OptionsPropertyMainGroup;
use PhpMyAdmin\Properties\Options\Groups\OptionsPropertyRootGroup;
use PhpMyAdmin\Properties\Options\Items\HiddenPropertyItem;
use PhpMyAdmin\Properties\Options\Items\SelectPropertyItem;
use PhpMyAdmin\Properties\Plugins\ExportPluginProperties;
use PhpMyAdmin\Util;
use function implode;
use function preg_match;
use function preg_replace;
use function sprintf;
use function ucfirst;
/**
* Handles the export for the CodeGen class
*/
class ExportCodegen extends ExportPlugin
{
/**
* CodeGen Formats
*
* @var array
*/
private $cgFormats;
private const HANDLER_NHIBERNATE_CS = 0;
private const HANDLER_NHIBERNATE_XML = 1;
public function __construct()
{
parent::__construct();
// initialize the specific export CodeGen variables
$this->initSpecificVariables();
$this->setProperties();
}
/**
* Initialize the local variables that are used for export CodeGen
*
* @return void
*/
protected function initSpecificVariables()
{
$this->setCgFormats([
self::HANDLER_NHIBERNATE_CS => 'NHibernate C# DO',
self::HANDLER_NHIBERNATE_XML => 'NHibernate XML',
]);
}
/**
* Sets the export CodeGen properties
*
* @return void
*/
protected function setProperties()
{
$exportPluginProperties = new ExportPluginProperties();
$exportPluginProperties->setText('CodeGen');
$exportPluginProperties->setExtension('cs');
$exportPluginProperties->setMimeType('text/cs');
$exportPluginProperties->setOptionsText(__('Options'));
// create the root group that will be the options field for
// $exportPluginProperties
// this will be shown as "Format specific options"
$exportSpecificOptions = new OptionsPropertyRootGroup(
'Format Specific Options'
);
// general options main group
$generalOptions = new OptionsPropertyMainGroup('general_opts');
// create primary items and add them to the group
$leaf = new HiddenPropertyItem('structure_or_data');
$generalOptions->addProperty($leaf);
$leaf = new SelectPropertyItem(
'format',
__('Format:')
);
$leaf->setValues($this->getCgFormats());
$generalOptions->addProperty($leaf);
// add the main group to the root group
$exportSpecificOptions->addProperty($generalOptions);
// set the options for the export plugin property item
$exportPluginProperties->setOptions($exportSpecificOptions);
$this->properties = $exportPluginProperties;
}
/**
* Outputs export header
*
* @return bool Whether it succeeded
*/
public function exportHeader()
{
return true;
}
/**
* Outputs export footer
*
* @return bool Whether it succeeded
*/
public function exportFooter()
{
return true;
}
/**
* Outputs database header
*
* @param string $db Database name
* @param string $db_alias Aliases of db
*
* @return bool Whether it succeeded
*/
public function exportDBHeader($db, $db_alias = '')
{
return true;
}
/**
* Outputs database footer
*
* @param string $db Database name
*
* @return bool Whether it succeeded
*/
public function exportDBFooter($db)
{
return true;
}
/**
* Outputs CREATE DATABASE statement
*
* @param string $db Database name
* @param string $export_type 'server', 'database', 'table'
* @param string $db_alias Aliases of db
*
* @return bool Whether it succeeded
*/
public function exportDBCreate($db, $export_type, $db_alias = '')
{
return true;
}
/**
* Outputs the content of a table in NHibernate format
*
* @param string $db database name
* @param string $table table name
* @param string $crlf the end of line sequence
* @param string $error_url the url to go back in case of error
* @param string $sql_query SQL query for obtaining data
* @param array $aliases Aliases of db/table/columns
*
* @return bool Whether it succeeded
*/
public function exportData(
$db,
$table,
$crlf,
$error_url,
$sql_query,
array $aliases = []
) {
$format = (int) $GLOBALS['codegen_format'];
if ($format === self::HANDLER_NHIBERNATE_CS) {
return $this->export->outputHandler($this->handleNHibernateCSBody($db, $table, $crlf, $aliases));
}
if ($format === self::HANDLER_NHIBERNATE_XML) {
return $this->export->outputHandler($this->handleNHibernateXMLBody($db, $table, $crlf, $aliases));
}
return $this->export->outputHandler(sprintf('%s is not supported.', $format));
}
/**
* Used to make identifiers (from table or database names)
*
* @param string $str name to be converted
* @param bool $ucfirst whether to make the first character uppercase
*
* @return string identifier
*/
public static function cgMakeIdentifier($str, $ucfirst = true)
{
// remove unsafe characters
$str = (string) preg_replace('/[^\p{L}\p{Nl}_]/u', '', $str);
// make sure first character is a letter or _
if (! preg_match('/^\pL/u', $str)) {
$str = '_' . $str;
}
if ($ucfirst) {
$str = ucfirst($str);
}
return $str;
}
/**
* C# Handler
*
* @param string $db database name
* @param string $table table name
* @param string $crlf line separator
* @param array $aliases Aliases of db/table/columns
*
* @return string containing C# code lines, separated by "\n"
*/
private function handleNHibernateCSBody($db, $table, $crlf, array $aliases = [])
{
global $dbi;
$db_alias = $db;
$table_alias = $table;
$this->initAlias($aliases, $db_alias, $table_alias);
$lines = [];
$result = $dbi->query(
sprintf(
'DESC %s.%s',
Util::backquote($db),
Util::backquote($table)
)
);
if ($result) {
/** @var TableProperty[] $tableProperties */
$tableProperties = [];
while ($row = $dbi->fetchRow($result)) {
$col_as = $this->getAlias($aliases, $row[0], 'col', $db, $table);
if (! empty($col_as)) {
$row[0] = $col_as;
}
$tableProperties[] = new TableProperty($row);
}
$dbi->freeResult($result);
$lines[] = 'using System;';
$lines[] = 'using System.Collections;';
$lines[] = 'using System.Collections.Generic;';
$lines[] = 'using System.Text;';
$lines[] = 'namespace ' . self::cgMakeIdentifier($db_alias);
$lines[] = '{';
$lines[] = ' #region '
. self::cgMakeIdentifier($table_alias);
$lines[] = ' public class '
. self::cgMakeIdentifier($table_alias);
$lines[] = ' {';
$lines[] = ' #region Member Variables';
foreach ($tableProperties as $tableProperty) {
$lines[] = $tableProperty->formatCs(
' protected #dotNetPrimitiveType# _#name#;'
);
}
$lines[] = ' #endregion';
$lines[] = ' #region Constructors';
$lines[] = ' public '
. self::cgMakeIdentifier($table_alias) . '() { }';
$temp = [];
foreach ($tableProperties as $tableProperty) {
if ($tableProperty->isPK()) {
continue;
}
$temp[] = $tableProperty->formatCs(
'#dotNetPrimitiveType# #name#'
);
}
$lines[] = ' public '
. self::cgMakeIdentifier($table_alias)
. '('
. implode(', ', $temp)
. ')';
$lines[] = ' {';
foreach ($tableProperties as $tableProperty) {
if ($tableProperty->isPK()) {
continue;
}
$lines[] = $tableProperty->formatCs(
' this._#name#=#name#;'
);
}
$lines[] = ' }';
$lines[] = ' #endregion';
$lines[] = ' #region Public Properties';
foreach ($tableProperties as $tableProperty) {
$lines[] = $tableProperty->formatCs(
' public virtual #dotNetPrimitiveType# #ucfirstName#'
. "\n"
. ' {' . "\n"
. ' get {return _#name#;}' . "\n"
. ' set {_#name#=value;}' . "\n"
. ' }'
);
}
$lines[] = ' #endregion';
$lines[] = ' }';
$lines[] = ' #endregion';
$lines[] = '}';
}
return implode($crlf, $lines);
}
/**
* XML Handler
*
* @param string $db database name
* @param string $table table name
* @param string $crlf line separator
* @param array $aliases Aliases of db/table/columns
*
* @return string containing XML code lines, separated by "\n"
*/
private function handleNHibernateXMLBody(
$db,
$table,
$crlf,
array $aliases = []
) {
global $dbi;
$db_alias = $db;
$table_alias = $table;
$this->initAlias($aliases, $db_alias, $table_alias);
$lines = [];
$lines[] = '<?xml version="1.0" encoding="utf-8" ?' . '>';
$lines[] = '<hibernate-mapping xmlns="urn:nhibernate-mapping-2.2" '
. 'namespace="' . self::cgMakeIdentifier($db_alias) . '" '
. 'assembly="' . self::cgMakeIdentifier($db_alias) . '">';
$lines[] = ' <class '
. 'name="' . self::cgMakeIdentifier($table_alias) . '" '
. 'table="' . self::cgMakeIdentifier($table_alias) . '">';
$result = $dbi->query(
sprintf(
'DESC %s.%s',
Util::backquote($db),
Util::backquote($table)
)
);
if ($result) {
while ($row = $dbi->fetchRow($result)) {
$col_as = $this->getAlias($aliases, $row[0], 'col', $db, $table);
if (! empty($col_as)) {
$row[0] = $col_as;
}
$tableProperty = new TableProperty($row);
if ($tableProperty->isPK()) {
$lines[] = $tableProperty->formatXml(
' <id name="#ucfirstName#" type="#dotNetObjectType#"'
. ' unsaved-value="0">' . "\n"
. ' <column name="#name#" sql-type="#type#"'
. ' not-null="#notNull#" unique="#unique#"'
. ' index="PRIMARY"/>' . "\n"
. ' <generator class="native" />' . "\n"
. ' </id>'
);
} else {
$lines[] = $tableProperty->formatXml(
' <property name="#ucfirstName#"'
. ' type="#dotNetObjectType#">' . "\n"
. ' <column name="#name#" sql-type="#type#"'
. ' not-null="#notNull#" #indexName#/>' . "\n"
. ' </property>'
);
}
}
$dbi->freeResult($result);
}
$lines[] = ' </class>';
$lines[] = '</hibernate-mapping>';
return implode($crlf, $lines);
}
/**
* Getter for CodeGen formats
*
* @return array
*/
private function getCgFormats()
{
return $this->cgFormats;
}
/**
* Setter for CodeGen formats
*
* @param array $CG_FORMATS contains CodeGen Formats
*
* @return void
*/
private function setCgFormats(array $CG_FORMATS)
{
$this->cgFormats = $CG_FORMATS;
}
}
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