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<?php
/*
* This file is part of the eluceo/iCal package.
*
* (c) Markus Poerschke <markus@eluceo.de>
*
* This source file is subject to the MIT license that is bundled
* with this source code in the file LICENSE.
*/
namespace Eluceo\iCal;
class ParameterBag
{
/**
* The params.
*
* @var array
*/
protected $params;
public function __construct($params = array())
{
$this->params = $params;
}
/**
* @param string $name
* @param mixed $value
*/
public function setParam($name, $value)
{
$this->params[$name] = $value;
}
/**
* @param $name
*/
public function getParam($name)
{
if (array_key_exists($name, $this->params)) {
return $this->params[$name];
}
}
/**
* Checks if there are any params.
*
* @return bool
*/
public function hasParams()
{
return count($this->params) > 0;
}
/**
* @return string
*/
public function toString()
{
$line = '';
foreach ($this->params as $param => $paramValues) {
if (!is_array($paramValues)) {
$paramValues = array($paramValues);
}
foreach ($paramValues as $k => $v) {
$paramValues[$k] = $this->escapeParamValue($v);
}
if ('' != $line) {
$line .= ';';
}
$line .= $param . '=' . implode(',', $paramValues);
}
return $line;
}
/**
* Returns an escaped string for a param value.
*
* @param string $value
*
* @return string
*/
public function escapeParamValue($value)
{
$count = 0;
$value = str_replace('\\', '\\\\', $value);
$value = str_replace('"', '\"', $value, $count);
$value = str_replace("\n", '\\n', $value);
if (false !== strpos($value, ';') || false !== strpos($value, ',') || false !== strpos($value, ':') || $count) {
$value = '"' . $value . '"';
}
return $value;
}
/**
* @return string
*/
public function __toString()
{
return $this->toString();
}
}
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