* Class that represents an RDF Literal of datatype xsd:decimal
*
* @package EasyRdf
* @link http://www.w3.org/TR/xmlschema-2/#decimal
* @copyright Copyright (c) 2009-2012 Nicholas J Humfrey
* @license http://www.opensource.org/licenses/bsd-license.php
*/
class EasyRdf_Literal_Decimal extends EasyRdf_Literal
{
/** Constructor for creating a new decimal literal
*
* @param mixed $value The value of the literal
* @param string $lang Should be null (literals with a datatype can't have a language)
* @param string $datatype Optional datatype (default 'xsd:decimal')
* @return object EasyRdf_Literal_Decimal
*/
public function __construct($value, $lang = null, $datatype = null)
{
parent::__construct($value, null, $datatype);
}
/** Return the value of the literal cast to a PHP double
*
* @return double
*/
public function getValue()
{
return (double) $this->_value;
}
}
EasyRdf_Literal::setDatatypeMapping('xsd:decimal', 'EasyRdf_Literal_Decimal');
public function year()
{
return (int) $this->_value->format('Y');
}
/** Integer representation of the month
*
* @return integer
*/
public function month()
{
return (int) $this->_value->format('m');
}
/** Integer representation of the day of the month
*
* @return integer
*/
public function day()
{
return (int) $this->_value->format('d');
}
/** Magic method to return the value as an ISO8601 date string
*
* @return string The date as an ISO8601 string
*/
public function __toString()
{
return $this->_value->format('Y-m-d');
}
}
EasyRdf_Literal::setDatatypeMapping('xsd:date', 'EasyRdf_Literal_Date');
{
$binary = pack("H*", $value);
return new self($binary);
}
/** Return the literal value as a hexadecimal string
*
* @return string The value as a hexadecimal string
*/
public function toHex()
{
return $this->checkbinary($this->_value) !== true ? $this->_value : strtoupper(bin2hex($this->_value));
}
/** Magic method to return the value as a hexadecimal string
*
* @return string The value as a hexadecimal string
*/
public function __toString()
{
return $this->toHex();
}
/** Check if a variable contains binary data or not
*
* @retun true/false
*/
function checkbinary($bin)
{
return preg_match('#^[01]+$#', $bin);
}
}
EasyRdf_Literal::setDatatypeMapping('xsd:hexBinary', 'EasyRdf_Literal_HexBinary');
parent::__construct($value, null, $datatype);
}
/** Return the value of the literal cast to a PHP bool
*
* If the value is 'true' or '1' return true, otherwise returns false.
*
* @return bool
*/
public function getValue()
{
return strtolower($this->_value) === 'true' or $this->_value === '1';
}
/** Return true if the value of the literal is 'true' or '1'
*
* @return bool
*/
public function isTrue()
{
return strtolower($this->_value) === 'true' or $this->_value === '1';
}
/** Return true if the value of the literal is 'false' or '0'
*
* @return bool
*/
public function isFalse()
{
return strtolower($this->_value) === 'false' or $this->_value === '0';
}
}
EasyRdf_Literal::setDatatypeMapping('xsd:boolean', 'EasyRdf_Literal_Boolean');
* @package EasyRdf
* @copyright Copyright (c) 2009-2011 Nicholas J Humfrey
* @license http://www.opensource.org/licenses/bsd-license.php
* @version $Id: Integer.php 98993 2011-10-05 12:20:17Z bkaempgen $
*/
/**
* Class that represents an RDF Literal of datatype xsd:integer
*
* @package EasyRdf
* @link http://www.w3.org/TR/xmlschema-2/#integer
* @copyright Copyright (c) 2009-2011 Nicholas J Humfrey
* @license http://www.opensource.org/licenses/bsd-license.php
*/
class EasyRdf_Literal_Integer extends EasyRdf_Literal
{
/** Constructor for creating a new integer literal
*
* Non-integer values will be cast to integer.
*
* @param mixed $value The value of the literal
* @param string $lang Should be null (literals with a datatype can't have a language)
* @param string $datatype Optional datatype (default 'xsd:integer')
* @return object EasyRdf_Literal_Integer
*/
public function __construct($value, $lang = null, $datatype = null)
{
parent::__construct((int) $value, null, $datatype);
}
}
EasyRdf_Literal::setDatatypeMapping('xsd:integer', 'EasyRdf_Literal_Integer');
public function testSetDatatypeMappingClassNonString()
{
$this->setExpectedException('InvalidArgumentException', '$class should be a string and cannot be null or empty');
EasyRdf_Literal::setDatatypeMapping('ex:mytype', array());
}
/** Magic method to return the value of a literal as a string
*
* @return string The value of the literal
*/
public function __toString()
{
return isset($this->value) ? $this->value : '';
}
/** Return pretty-print view of the literal
*
* @param string $format Either 'html' or 'text'
* @param string $color The colour of the text
* @return string
*/
public function dumpValue($format = 'html', $color = 'black')
{
return EasyRdf_Utils::dumpLiteralValue($this, $format, $color);
}
}
/*
Register default set of datatype classes
*/
EasyRdf_Literal::setDatatypeMapping('xsd:boolean', 'EasyRdf_Literal_Boolean');
EasyRdf_Literal::setDatatypeMapping('xsd:date', 'EasyRdf_Literal_Date');
EasyRdf_Literal::setDatatypeMapping('xsd:dateTime', 'EasyRdf_Literal_DateTime');
EasyRdf_Literal::setDatatypeMapping('xsd:decimal', 'EasyRdf_Literal_Decimal');
EasyRdf_Literal::setDatatypeMapping('xsd:hexBinary', 'EasyRdf_Literal_HexBinary');
EasyRdf_Literal::setDatatypeMapping('rdf:HTML', 'EasyRdf_Literal_HTML');
EasyRdf_Literal::setDatatypeMapping('xsd:integer', 'EasyRdf_Literal_Integer');
EasyRdf_Literal::setDatatypeMapping('rdf:XMLLiteral', 'EasyRdf_Literal_XML');
