Файл: concrete5.7.5.6/concrete/vendor/doctrine/dbal/lib/Doctrine/DBAL/Schema/AbstractAsset.php
Строк: 225
<?php
/*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This software consists of voluntary contributions made by many individuals
* and is licensed under the MIT license. For more information, see
* <http://www.doctrine-project.org>.
*/
namespace DoctrineDBALSchema;
use DoctrineDBALPlatformsAbstractPlatform;
/**
* The abstract asset allows to reset the name of all assets without publishing this to the public userland.
*
* This encapsulation hack is necessary to keep a consistent state of the database schema. Say we have a list of tables
* array($tableName => Table($tableName)); if you want to rename the table, you have to make sure
*
* @link www.doctrine-project.org
* @since 2.0
* @author Benjamin Eberlei <kontakt@beberlei.de>
*/
abstract class AbstractAsset
{
/**
* @var string
*/
protected $_name;
/**
* Namespace of the asset. If none isset the default namespace is assumed.
*
* @var string|null
*/
protected $_namespace = null;
/**
* @var boolean
*/
protected $_quoted = false;
/**
* Sets the name of this asset.
*
* @param string $name
*
* @return void
*/
protected function _setName($name)
{
if ($this->isIdentifierQuoted($name)) {
$this->_quoted = true;
$name = $this->trimQuotes($name);
}
if (strpos($name, ".") !== false) {
$parts = explode(".", $name);
$this->_namespace = $parts[0];
$name = $parts[1];
}
$this->_name = $name;
}
/**
* Is this asset in the default namespace?
*
* @param string $defaultNamespaceName
*
* @return boolean
*/
public function isInDefaultNamespace($defaultNamespaceName)
{
return $this->_namespace == $defaultNamespaceName || $this->_namespace === null;
}
/**
* Gets the namespace name of this asset.
*
* If NULL is returned this means the default namespace is used.
*
* @return string|null
*/
public function getNamespaceName()
{
return $this->_namespace;
}
/**
* The shortest name is stripped of the default namespace. All other
* namespaced elements are returned as full-qualified names.
*
* @param string $defaultNamespaceName
*
* @return string
*/
public function getShortestName($defaultNamespaceName)
{
$shortestName = $this->getName();
if ($this->_namespace == $defaultNamespaceName) {
$shortestName = $this->_name;
}
return strtolower($shortestName);
}
/**
* The normalized name is full-qualified and lowerspaced. Lowerspacing is
* actually wrong, but we have to do it to keep our sanity. If you are
* using database objects that only differentiate in the casing (FOO vs
* Foo) then you will NOT be able to use Doctrine Schema abstraction.
*
* Every non-namespaced element is prefixed with the default namespace
* name which is passed as argument to this method.
*
* @param string $defaultNamespaceName
*
* @return string
*/
public function getFullQualifiedName($defaultNamespaceName)
{
$name = $this->getName();
if ( ! $this->_namespace) {
$name = $defaultNamespaceName . "." . $name;
}
return strtolower($name);
}
/**
* Checks if this asset's name is quoted.
*
* @return boolean
*/
public function isQuoted()
{
return $this->_quoted;
}
/**
* Checks if this identifier is quoted.
*
* @param string $identifier
*
* @return boolean
*/
protected function isIdentifierQuoted($identifier)
{
return (isset($identifier[0]) && ($identifier[0] == '`' || $identifier[0] == '"' || $identifier[0] == '['));
}
/**
* Trim quotes from the identifier.
*
* @param string $identifier
*
* @return string
*/
protected function trimQuotes($identifier)
{
return str_replace(array('`', '"', '[', ']'), '', $identifier);
}
/**
* Returns the name of this schema asset.
*
* @return string
*/
public function getName()
{
if ($this->_namespace) {
return $this->_namespace . "." . $this->_name;
}
return $this->_name;
}
/**
* Gets the quoted representation of this asset but only if it was defined with one. Otherwise
* return the plain unquoted value as inserted.
*
* @param DoctrineDBALPlatformsAbstractPlatform $platform
*
* @return string
*/
public function getQuotedName(AbstractPlatform $platform)
{
$keywords = $platform->getReservedKeywordsList();
$parts = explode(".", $this->getName());
foreach ($parts as $k => $v) {
$parts[$k] = ($this->_quoted || $keywords->isKeyword($v)) ? $platform->quoteIdentifier($v) : $v;
}
return implode(".", $parts);
}
/**
* Generates an identifier from a list of column names obeying a certain string length.
*
* This is especially important for Oracle, since it does not allow identifiers larger than 30 chars,
* however building idents automatically for foreign keys, composite keys or such can easily create
* very long names.
*
* @param array $columnNames
* @param string $prefix
* @param integer $maxSize
*
* @return string
*/
protected function _generateIdentifierName($columnNames, $prefix='', $maxSize=30)
{
$hash = implode("", array_map(function ($column) {
return dechex(crc32($column));
}, $columnNames));
return substr(strtoupper($prefix . "_" . $hash), 0, $maxSize);
}
}