--- /dev/null
+<?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 Doctrine\DBAL\Schema;
+
+use Doctrine\DBAL\Platforms\AbstractPlatform;
+
+/**
+ * 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
+ */
+ protected $_namespace;
+
+ /**
+ * @var bool
+ */
+ protected $_quoted = false;
+
+ /**
+ * Set name of this asset
+ *
+ * @param string $name
+ */
+ protected function _setName($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 $defaultNamespaceName
+ * @return bool
+ */
+ public function isInDefaultNamespace($defaultNamespaceName)
+ {
+ return $this->_namespace == $defaultNamespaceName || $this->_namespace === null;
+ }
+
+ /**
+ * Get namespace name of this asset.
+ *
+ * If NULL is returned this means the default namespace is used.
+ *
+ * @return string
+ */
+ public function getNamespaceName()
+ {
+ return $this->_namespace;
+ }
+
+ /**
+ * The shortest name is stripped of the default namespace. All other
+ * namespaced elements are returned as full-qualified names.
+ *
+ * @param string
+ * @return string
+ */
+ public function getShortestName($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.
+ *
+ * @return string
+ */
+ public function getFullQualifiedName($defaultNamespaceName)
+ {
+ $name = $this->getName();
+ if ( ! $this->_namespace) {
+ $name = $defaultNamespaceName . "." . $name;
+ }
+ return strtolower($name);
+ }
+
+ /**
+ * Check if this asset's name is quoted
+ *
+ * @return bool
+ */
+ public function isQuoted()
+ {
+ return $this->_quoted;
+ }
+
+ /**
+ * Check if this identifier is quoted.
+ *
+ * @param string $identifier
+ * @return bool
+ */
+ protected function isIdentifierQuoted($identifier)
+ {
+ return (isset($identifier[0]) && ($identifier[0] == '`' || $identifier[0] == '"'));
+ }
+
+ /**
+ * Trim quotes from the identifier.
+ *
+ * @param string $identifier
+ * @return string
+ */
+ protected function trimQuotes($identifier)
+ {
+ return str_replace(array('`', '"'), '', $identifier);
+ }
+
+ /**
+ * Return name of this schema asset.
+ *
+ * @return string
+ */
+ public function getName()
+ {
+ if ($this->_namespace) {
+ return $this->_namespace . "." . $this->_name;
+ }
+ return $this->_name;
+ }
+
+ /**
+ * Get the quoted representation of this asset but only if it was defined with one. Otherwise
+ * return the plain unquoted value as inserted.
+ *
+ * @param AbstractPlatform $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);
+ }
+
+ /**
+ * Generate 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 int $maxSize
+ * @return string
+ */
+ protected function _generateIdentifierName($columnNames, $prefix='', $maxSize=30)
+ {
+ $hash = implode("", array_map(function($column) {
+ return dechex(crc32($column));
+ }, $columnNames));
+ return substr(strtoupper($prefix . "_" . $hash), 0, $maxSize);
+ }
+}
projects / zf2.biz / application_blanche.git / blobdiff