new connection module: Formatter
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zYne
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lib/Doctrine/Formatter.php
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217
lib/Doctrine/Formatter.php
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<?php
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/*
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* $Id$
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This software consists of voluntary contributions made by many individuals
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* and is licensed under the LGPL. For more information, see
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* <http://www.phpdoctrine.com>.
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*/
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Doctrine::autoload('Doctrine_Connection_Module');
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/**
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* Doctrine_Formatter
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*
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* @package Doctrine
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* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
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* @category Object Relational Mapping
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* @link www.phpdoctrine.com
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* @since 1.0
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* @version $Revision$
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* @author Konsta Vesterinen <kvesteri@cc.hut.fi>
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*/
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class Doctrine_Formatter extends Doctrine_Connection_Module
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{
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/**
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* Quotes pattern (% and _) characters in a string)
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*
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* EXPERIMENTAL
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*
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* WARNING: this function is experimental and may change signature at
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* any time until labelled as non-experimental
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*
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* @param string the input string to quote
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*
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* @return string quoted string
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*/
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public function escapePattern($text)
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{
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if ($this->string_quoting['escape_pattern']) {
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$text = str_replace($this->string_quoting['escape_pattern'],
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$this->string_quoting['escape_pattern'] .
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$this->string_quoting['escape_pattern'], $text);
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foreach ($this->wildcards as $wildcard) {
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$text = str_replace($wildcard, $this->string_quoting['escape_pattern'] . $wildcard, $text);
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}
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}
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return $text;
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}
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/**
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* convertBoolean
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* some drivers need the boolean values to be converted into integers
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* when using DQL API
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*
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* This method takes care of that conversion
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*
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* @param array $item
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* @return void
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*/
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public function convertBooleans($item)
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{
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if (is_array($item)) {
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foreach ($item as $k => $value) {
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if (is_bool($item)) {
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$item[$k] = (int) $value;
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}
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}
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} else {
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if (is_bool($item)) {
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$item = (int) $item;
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}
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}
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return $item;
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}
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/**
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* Quote a string so it can be safely used as a table or column name
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*
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* Delimiting style depends on which database driver is being used.
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*
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* NOTE: just because you CAN use delimited identifiers doesn't mean
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* you SHOULD use them. In general, they end up causing way more
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* problems than they solve.
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*
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* Portability is broken by using the following characters inside
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* delimited identifiers:
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* + backtick (<kbd>`</kbd>) -- due to MySQL
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* + double quote (<kbd>"</kbd>) -- due to Oracle
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* + brackets (<kbd>[</kbd> or <kbd>]</kbd>) -- due to Access
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*
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* Delimited identifiers are known to generally work correctly under
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* the following drivers:
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* + mssql
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* + mysql
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* + mysqli
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* + oci8
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* + pgsql
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* + sqlite
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*
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* InterBase doesn't seem to be able to use delimited identifiers
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* via PHP 4. They work fine under PHP 5.
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*
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* @param string $str identifier name to be quoted
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* @param bool $checkOption check the 'quote_identifier' option
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*
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* @return string quoted identifier string
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*/
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public function quoteIdentifier($str, $checkOption = true)
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{
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if ($checkOption && ! $this->getAttribute(Doctrine::ATTR_QUOTE_IDENTIFIER)) {
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return $str;
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}
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$str = str_replace($this->properties['identifier_quoting']['end'],
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$this->properties['identifier_quoting']['escape'] .
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$this->properties['identifier_quoting']['end'], $str);
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return $this->properties['identifier_quoting']['start']
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. $str . $this->properties['identifier_quoting']['end'];
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}
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/**
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* quote
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* quotes given input parameter
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*
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* @param mixed $input parameter to be quoted
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* @param string $type
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* @return mixed
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*/
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public function quote($input, $type = null)
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{
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if ($type == null) {
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$type = gettype($input);
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}
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switch ($type) {
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case 'integer':
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case 'enum':
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case 'boolean':
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case 'double':
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case 'float':
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case 'bool':
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case 'int':
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return $input;
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case 'array':
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case 'object':
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$input = serialize($input);
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case 'string':
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case 'char':
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case 'varchar':
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case 'text':
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case 'gzip':
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case 'blob':
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case 'clob':
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return $this->dbh->quote($input);
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}
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}
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/**
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* Removes any formatting in an sequence name using the 'seqname_format' option
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*
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* @param string $sqn string that containts name of a potential sequence
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* @return string name of the sequence with possible formatting removed
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*/
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public function fixSequenceName($sqn)
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{
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$seqPattern = '/^'.preg_replace('/%s/', '([a-z0-9_]+)', $this->getAttribute(Doctrine::ATTR_SEQNAME_FORMAT)).'$/i';
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$seqName = preg_replace($seqPattern, '\\1', $sqn);
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if ($seqName && ! strcasecmp($sqn, $this->getSequenceName($seqName))) {
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return $seqName;
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}
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return $sqn;
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}
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/**
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* Removes any formatting in an index name using the 'idxname_format' option
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*
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* @param string $idx string that containts name of anl index
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* @return string name of the index with possible formatting removed
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*/
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public function fixIndexName($idx)
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{
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$indexPattern = '/^'.preg_replace('/%s/', '([a-z0-9_]+)', $this->getAttribute(Doctrine::ATTR_IDXNAME_FORMAT)).'$/i';
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$indexName = preg_replace($indexPattern, '\\1', $idx);
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if ($indexName && ! strcasecmp($idx, $this->getIndexName($indexName))) {
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return $indexName;
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}
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return $idx;
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}
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/**
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* adds sequence name formatting to a sequence name
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*
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* @param string name of the sequence
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* @return string formatted sequence name
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*/
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public function getSequenceName($sqn)
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{
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return sprintf($this->getAttribute(Doctrine::ATTR_SEQNAME_FORMAT),
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preg_replace('/[^a-z0-9_\$.]/i', '_', $sqn));
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}
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/**
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* adds index name formatting to a index name
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*
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* @param string name of the index
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* @return string formatted index name
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*/
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public function getIndexName($idx)
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{
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return sprintf($this->getAttribute(Doctrine::ATTR_IDXNAME_FORMAT),
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preg_replace('/[^a-z0-9_\$]/i', '_', $idx));
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}
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}
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