163 Zeilen
4.1 KiB
PHP
163 Zeilen
4.1 KiB
PHP
<?php
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/* vim: set expandtab tabstop=4 shiftwidth=4: */
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// +----------------------------------------------------------------------+
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// | PHP version 4 |
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// +----------------------------------------------------------------------+
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// | Copyright (c) 1997-2002 The PHP Group |
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// +----------------------------------------------------------------------+
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// | This source file is subject to version 3.0 of the PHP license, |
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// | that is bundled with this package in the file LICENSE, and is |
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// | available at through the world-wide-web at |
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// | http://www.php.net/license/3_0.txt. |
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// | If you did not receive a copy of the PHP license and are unable to |
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// | obtain it through the world-wide-web, please send a note to |
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// | license@php.net so we can mail you a copy immediately. |
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// +----------------------------------------------------------------------+
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// | Authors: Ian Eure <ieure@php.net> |
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// +----------------------------------------------------------------------+
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//
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// $Id: Parameter.php 6 2010-11-23 17:57:24Z oldperl $
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/**
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* Class for working with MIME type parameters
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*
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* @version @version@
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* @package MIME_Type
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* @author Ian Eure <ieure@php.net>
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*/
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class MIME_Type_Parameter {
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/**
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* Parameter name
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*
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* @var string
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*/
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var $name;
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/**
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* Parameter value
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*
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* @var string
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*/
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var $value;
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/**
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* Parameter comment
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*
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* @var string
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*/
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var $comment;
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/**
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* Constructor.
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*
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* @param string $param MIME parameter to parse, if set.
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* @return void
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*/
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function MIME_Type_Parameter($param = false)
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{
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if ($param) {
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$this->parse($param);
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}
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}
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/**
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* Parse a MIME type parameter and set object fields
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*
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* @param string $param MIME type parameter to parse
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* @return void
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*/
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function parse($param)
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{
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$comment = '';
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$param = MIME_Type::stripComments($param, $comment);
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$this->name = $this->getAttribute($param);
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$this->value = $this->getValue($param);
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$this->comment = $comment;
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}
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/**
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* Get a parameter attribute (e.g. name)
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*
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* @param string MIME type parameter
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* @return string Attribute name
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* @static
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*/
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function getAttribute($param)
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{
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$tmp = explode('=', $param);
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return trim($tmp[0]);
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}
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/**
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* Get a parameter value
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*
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* @param string $param MIME type parameter
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* @return string Value
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* @static
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*/
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function getValue($param)
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{
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$tmp = explode('=', $param, 2);
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$value = $tmp[1];
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$value = trim($value);
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if ($value[0] == '"' && $value[strlen($value)-1] == '"') {
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$value = substr($value, 1, -1);
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}
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$value = str_replace('\\"', '"', $value);
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return $value;
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}
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/**
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* Get a parameter comment
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*
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* @param string $param MIME type parameter
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* @return string Parameter comment
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* @see getComment()
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* @static
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*/
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function getComment($param)
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{
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$cs = strpos($param, '(');
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$comment = substr($param, $cs);
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return trim($comment, '() ');
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}
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/**
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* Does this parameter have a comment?
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*
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* @param string $param MIME type parameter
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* @return boolean true if $param has a comment, false otherwise
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* @static
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*/
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function hasComment($param)
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{
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if (strstr($param, '(')) {
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return true;
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}
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return false;
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}
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/**
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* Get a string representation of this parameter
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*
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* This function performs the oppsite of parse()
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*
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* @return string String representation of parameter
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*/
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function get()
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{
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$val = $this->name . '="' . str_replace('"', '\\"', $this->value) . '"';
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if ($this->comment) {
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$val .= ' (' . $this->comment . ')';
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}
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return $val;
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}
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}
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?>
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