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<?php
namespace Bitrix\Perfmon\Sql;
/**
* Class BaseObject
* Base class for all schema objects such as tables, columns, indexes, etc.
* @package Bitrix\Perfmon\Sql
*/
abstract class BaseObject
{
/** @var BaseObject|null */
public $parent = null;
public $name = '';
public $body = '';
protected $ciName = '';
/**
* @param string $name Name of the table.
*/
function __construct($name = '')
{
$this->name = (string)$name;
$this->ciName = $this->getCompareName($this->name);
}
/**
* Sets source code for object.
*
* @param string $body The body.
*
* @return BaseObject
*/
public function setBody($body)
{
$this->body = trim($body);
return $this;
}
/**
* Sets parent for object.
* <p>
* For example Table for Column.
*
* @param BaseObject $parent Parent object.
*
* @return BaseObject
*/
public function setParent(BaseObject $parent = null)
{
$this->parent = $parent;
return $this;
}
/**
* Returns "unquoted" name of the object.
*
* @param array|string $name Name or array of names to unquote.
*
* @return array|string
*/
final public function getUnquotedName($name = null)
{
if ($name === null && $this->name)
{
return $this->getUnquotedName($this->name);
}
elseif (is_array($name))
{
foreach ($name as $key => $value)
{
$name[$key] = $this->getUnquotedName($value);
}
}
elseif ($name[0] == '`')
$name = trim($name, '`');
elseif ($name[0] == '"')
$name = trim($name, '"');
elseif ($name[0] == '[')
$name = trim($name, '[]');
return $name;
}
/**
* Returns "lowercased" name of the object.
* <p>
* If name is not quoted then it made lowercase.
*
* @return string
*/
final public function getLowercasedName()
{
if ($this->name[0] == '`')
return $this->name;
elseif ($this->name[0] == '"')
return $this->name;
elseif ($this->name[0] == '[')
return $this->name;
else
return mb_strtolower($this->name);
}
/**
* Returns "normalized" name of the table.
* <p>
* If name is not quoted then it made uppercase.
*
* @param string $name Table name.
* @return string
*/
final public static function getCompareName($name)
{
if ($name[0] == '`')
return $name;
elseif ($name[0] == '"')
return $name;
elseif ($name[0] == '[')
return $name;
else
return mb_strtoupper($name);
}
/**
* Compares name of the table with given.
* <p>
* If name has no quotes when comparison is case insensitive.
*
* @param string $name Table name to compare.
* @return int
* @see strcmp
*/
final public function compareName($name)
{
return strcmp($this->ciName, $this->getCompareName($name));
}
/**
* Return DDL or commentary for object creation.
*
* @param string $dbType Database type.
*
* @return array|string
*/
public function getCreateDdl($dbType = '')
{
return "// ".get_class($this).":getCreateDdl not implemented";
}
/**
* Return DDL or commentary for object destruction.
*
* @param string $dbType Database type.
*
* @return array|string
*/
public function getDropDdl($dbType = '')
{
return "// ".get_class($this).":getDropDdl not implemented";
}
/**
* Return DDL or commentary for object modification.
*
* @param BaseObject $target Target object.
* @param string $dbType Database type.
*
* @return array|string
*/
public function getModifyDdl(BaseObject $target, $dbType = '')
{
return "// ".get_class($this).":getModifyDdl not implemented";
}
}