963 lines
31 KiB
PHP
963 lines
31 KiB
PHP
<?php
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/**
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* XML_Util
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*
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* XML Utilities package
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*
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* PHP versions 4 and 5
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*
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* LICENSE:
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*
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* Copyright (c) 2003-2008 Stephan Schmidt <schst@php.net>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
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* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* @category XML
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* @package XML_Util
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* @author Stephan Schmidt <schst@php.net>
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* @copyright 2003-2008 Stephan Schmidt <schst@php.net>
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* @license http://opensource.org/licenses/bsd-license New BSD License
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* @version CVS: $Id$
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* @link http://pear.php.net/package/XML_Util
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*/
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/**
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* Error code for invalid chars in XML name
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*/
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define('XML_UTIL_ERROR_INVALID_CHARS', 51);
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/**
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* Error code for invalid chars in XML name
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*/
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define('XML_UTIL_ERROR_INVALID_START', 52);
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/**
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* Error code for non-scalar tag content
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*/
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define('XML_UTIL_ERROR_NON_SCALAR_CONTENT', 60);
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/**
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* Error code for missing tag name
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*/
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define('XML_UTIL_ERROR_NO_TAG_NAME', 61);
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/**
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* Replace XML entities
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*/
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define('XML_UTIL_REPLACE_ENTITIES', 1);
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/**
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* Embedd content in a CData Section
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*/
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define('XML_UTIL_CDATA_SECTION', 5);
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/**
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* Do not replace entitites
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*/
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define('XML_UTIL_ENTITIES_NONE', 0);
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/**
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* Replace all XML entitites
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* This setting will replace <, >, ", ' and &
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*/
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define('XML_UTIL_ENTITIES_XML', 1);
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/**
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* Replace only required XML entitites
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* This setting will replace <, " and &
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*/
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define('XML_UTIL_ENTITIES_XML_REQUIRED', 2);
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/**
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* Replace HTML entitites
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* @link http://www.php.net/htmlentities
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*/
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define('XML_UTIL_ENTITIES_HTML', 3);
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/**
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* Do not collapse any empty tags.
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*/
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define('XML_UTIL_COLLAPSE_NONE', 0);
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/**
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* Collapse all empty tags.
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*/
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define('XML_UTIL_COLLAPSE_ALL', 1);
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/**
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* Collapse only empty XHTML tags that have no end tag.
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*/
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define('XML_UTIL_COLLAPSE_XHTML_ONLY', 2);
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/**
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* Utility class for working with XML documents
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*
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* @category XML
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* @package XML_Util
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* @author Stephan Schmidt <schst@php.net>
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* @copyright 2003-2008 Stephan Schmidt <schst@php.net>
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* @license http://opensource.org/licenses/bsd-license New BSD License
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* @version Release: 1.4.3
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* @link http://pear.php.net/package/XML_Util
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*/
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class XML_Util
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{
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/**
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* Return API version
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*
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* @return string $version API version
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*/
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public static function apiVersion()
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{
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return '1.4';
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}
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/**
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* Replace XML entities
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*
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* With the optional second parameter, you may select, which
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* entities should be replaced.
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*
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* <code>
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* require_once 'XML/Util.php';
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*
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* // replace XML entites:
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* $string = XML_Util::replaceEntities('This string contains < & >.');
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* </code>
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*
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* With the optional third parameter, you may pass the character encoding
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* <code>
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* require_once 'XML/Util.php';
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*
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* // replace XML entites in UTF-8:
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* $string = XML_Util::replaceEntities(
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* 'This string contains < & > as well as ä, ö, ß, à and ê',
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* XML_UTIL_ENTITIES_HTML,
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* 'UTF-8'
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* );
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* </code>
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*
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* @param string $string string where XML special chars
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* should be replaced
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* @param int $replaceEntities setting for entities in attribute values
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* (one of XML_UTIL_ENTITIES_XML,
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* XML_UTIL_ENTITIES_XML_REQUIRED,
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* XML_UTIL_ENTITIES_HTML)
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* @param string $encoding encoding value (if any)...
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* must be a valid encoding as determined
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* by the htmlentities() function
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*
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* @return string string with replaced chars
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* @see reverseEntities()
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*/
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public static function replaceEntities(
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$string, $replaceEntities = XML_UTIL_ENTITIES_XML, $encoding = 'ISO-8859-1'
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) {
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switch ($replaceEntities) {
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case XML_UTIL_ENTITIES_XML:
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return strtr(
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$string,
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array(
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'&' => '&',
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'>' => '>',
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'<' => '<',
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'"' => '"',
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'\'' => '''
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)
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);
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break;
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case XML_UTIL_ENTITIES_XML_REQUIRED:
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return strtr(
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$string,
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array(
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'&' => '&',
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'<' => '<',
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'"' => '"'
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)
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);
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break;
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case XML_UTIL_ENTITIES_HTML:
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return htmlentities($string, ENT_COMPAT, $encoding);
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break;
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}
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return $string;
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}
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/**
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* Reverse XML entities
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*
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* With the optional second parameter, you may select, which
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* entities should be reversed.
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*
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* <code>
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* require_once 'XML/Util.php';
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*
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* // reverse XML entites:
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* $string = XML_Util::reverseEntities('This string contains < & >.');
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* </code>
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*
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* With the optional third parameter, you may pass the character encoding
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* <code>
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* require_once 'XML/Util.php';
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*
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* // reverse XML entites in UTF-8:
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* $string = XML_Util::reverseEntities(
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* 'This string contains < & > as well as'
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* . ' ä, ö, ß, à and ê',
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* XML_UTIL_ENTITIES_HTML,
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* 'UTF-8'
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* );
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* </code>
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*
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* @param string $string string where XML special chars
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* should be replaced
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* @param int $replaceEntities setting for entities in attribute values
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* (one of XML_UTIL_ENTITIES_XML,
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* XML_UTIL_ENTITIES_XML_REQUIRED,
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* XML_UTIL_ENTITIES_HTML)
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* @param string $encoding encoding value (if any)...
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* must be a valid encoding as determined
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* by the html_entity_decode() function
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*
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* @return string string with replaced chars
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* @see replaceEntities()
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*/
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public static function reverseEntities(
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$string, $replaceEntities = XML_UTIL_ENTITIES_XML, $encoding = 'ISO-8859-1'
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) {
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switch ($replaceEntities) {
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case XML_UTIL_ENTITIES_XML:
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return strtr(
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$string,
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array(
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'&' => '&',
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'>' => '>',
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'<' => '<',
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'"' => '"',
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''' => '\''
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)
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);
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break;
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case XML_UTIL_ENTITIES_XML_REQUIRED:
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return strtr(
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$string,
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array(
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'&' => '&',
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'<' => '<',
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'"' => '"'
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)
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);
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break;
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case XML_UTIL_ENTITIES_HTML:
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return html_entity_decode($string, ENT_COMPAT, $encoding);
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break;
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}
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return $string;
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}
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/**
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* Build an xml declaration
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*
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* <code>
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* require_once 'XML/Util.php';
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*
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* // get an XML declaration:
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* $xmlDecl = XML_Util::getXMLDeclaration('1.0', 'UTF-8', true);
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* </code>
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*
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* @param string $version xml version
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* @param string $encoding character encoding
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* @param bool $standalone document is standalone (or not)
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*
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* @return string xml declaration
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* @uses attributesToString() to serialize the attributes of the
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* XML declaration
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*/
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public static function getXMLDeclaration(
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$version = '1.0', $encoding = null, $standalone = null
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) {
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$attributes = array(
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'version' => $version,
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);
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// add encoding
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if ($encoding !== null) {
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$attributes['encoding'] = $encoding;
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}
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// add standalone, if specified
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if ($standalone !== null) {
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$attributes['standalone'] = $standalone ? 'yes' : 'no';
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}
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return sprintf(
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'<?xml%s?>',
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XML_Util::attributesToString($attributes, false)
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);
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}
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/**
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* Build a document type declaration
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*
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* <code>
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* require_once 'XML/Util.php';
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*
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* // get a doctype declaration:
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* $xmlDecl = XML_Util::getDocTypeDeclaration('rootTag','myDocType.dtd');
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* </code>
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*
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* @param string $root name of the root tag
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* @param string $uri uri of the doctype definition
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* (or array with uri and public id)
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* @param string $internalDtd internal dtd entries
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*
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* @return string doctype declaration
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* @since 0.2
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*/
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public static function getDocTypeDeclaration(
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$root, $uri = null, $internalDtd = null
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) {
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if (is_array($uri)) {
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$ref = sprintf(' PUBLIC "%s" "%s"', $uri['id'], $uri['uri']);
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} elseif (!empty($uri)) {
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$ref = sprintf(' SYSTEM "%s"', $uri);
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} else {
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$ref = '';
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}
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if (empty($internalDtd)) {
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return sprintf('<!DOCTYPE %s%s>', $root, $ref);
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} else {
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return sprintf("<!DOCTYPE %s%s [\n%s\n]>", $root, $ref, $internalDtd);
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}
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}
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/**
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* Create string representation of an attribute list
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*
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* <code>
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* require_once 'XML/Util.php';
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*
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* // build an attribute string
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* $att = array(
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* 'foo' => 'bar',
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* 'argh' => 'tomato'
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* );
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*
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* $attList = XML_Util::attributesToString($att);
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* </code>
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*
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* @param array $attributes attribute array
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* @param bool|array $sort sort attribute list alphabetically,
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* may also be an assoc array containing
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* the keys 'sort', 'multiline', 'indent',
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* 'linebreak' and 'entities'
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* @param bool $multiline use linebreaks, if more than
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* one attribute is given
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* @param string $indent string used for indentation of
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* multiline attributes
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* @param string $linebreak string used for linebreaks of
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* multiline attributes
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* @param int $entities setting for entities in attribute values
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* (one of XML_UTIL_ENTITIES_NONE,
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* XML_UTIL_ENTITIES_XML,
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* XML_UTIL_ENTITIES_XML_REQUIRED,
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* XML_UTIL_ENTITIES_HTML)
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*
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* @return string string representation of the attributes
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* @uses replaceEntities() to replace XML entities in attribute values
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* @todo allow sort also to be an options array
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*/
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public static function attributesToString(
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$attributes, $sort = true, $multiline = false,
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$indent = ' ', $linebreak = "\n", $entities = XML_UTIL_ENTITIES_XML
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) {
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/*
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* second parameter may be an array
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*/
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if (is_array($sort)) {
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if (isset($sort['multiline'])) {
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$multiline = $sort['multiline'];
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}
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if (isset($sort['indent'])) {
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$indent = $sort['indent'];
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}
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if (isset($sort['linebreak'])) {
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$multiline = $sort['linebreak'];
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}
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if (isset($sort['entities'])) {
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$entities = $sort['entities'];
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}
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if (isset($sort['sort'])) {
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$sort = $sort['sort'];
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} else {
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$sort = true;
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}
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}
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$string = '';
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if (is_array($attributes) && !empty($attributes)) {
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if ($sort) {
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ksort($attributes);
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}
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if (!$multiline || count($attributes) == 1) {
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foreach ($attributes as $key => $value) {
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if ($entities != XML_UTIL_ENTITIES_NONE) {
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if ($entities === XML_UTIL_CDATA_SECTION) {
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$entities = XML_UTIL_ENTITIES_XML;
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}
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$value = XML_Util::replaceEntities($value, $entities);
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}
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$string .= ' ' . $key . '="' . $value . '"';
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}
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} else {
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$first = true;
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foreach ($attributes as $key => $value) {
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if ($entities != XML_UTIL_ENTITIES_NONE) {
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$value = XML_Util::replaceEntities($value, $entities);
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}
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if ($first) {
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$string .= ' ' . $key . '="' . $value . '"';
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$first = false;
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} else {
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$string .= $linebreak . $indent . $key . '="' . $value . '"';
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}
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}
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}
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}
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return $string;
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}
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/**
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* Collapses empty tags.
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*
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* @param string $xml XML
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* @param int $mode Whether to collapse all empty tags (XML_UTIL_COLLAPSE_ALL)
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* or only XHTML (XML_UTIL_COLLAPSE_XHTML_ONLY) ones.
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*
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* @return string XML
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*/
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public static function collapseEmptyTags($xml, $mode = XML_UTIL_COLLAPSE_ALL)
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{
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if (preg_match('~<([^>])+/>~s', $xml, $matches)) {
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// it's already an empty tag
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return $xml;
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}
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switch ($mode) {
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case XML_UTIL_COLLAPSE_ALL:
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$preg1 =
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'~<' .
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'(?:' .
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'(https?://[^:\s]+:\w+)' . // <http://foo.com:bar ($1)
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'|(\w+:\w+)' . // <foo:bar ($2)
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'|(\w+)' . // <foo ($3)
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')+' .
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'([^>]*)' . // attributes ($4)
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'>' .
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'<\/(\1|\2|\3)>' . // 1, 2, or 3 again ($5)
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'~s'
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;
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$preg2 =
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'<' .
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'${1}${2}${3}' . // tag (only one should have been populated)
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'${4}' . // attributes
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' />'
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;
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return (preg_replace($preg1, $preg2, $xml)?:$xml);
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break;
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case XML_UTIL_COLLAPSE_XHTML_ONLY:
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return (
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preg_replace(
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'/<(area|base(?:font)?|br|col|frame|hr|img|input|isindex|link|meta|'
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. 'param)([^>]*)><\/\\1>/s',
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'<\\1\\2 />',
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$xml
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) ?: $xml
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);
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break;
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case XML_UTIL_COLLAPSE_NONE:
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// fall thru
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default:
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return $xml;
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}
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}
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/**
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* Create a tag
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*
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* This method will call XML_Util::createTagFromArray(), which
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* is more flexible.
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*
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* <code>
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* require_once 'XML/Util.php';
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*
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* // create an XML tag:
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* $tag = XML_Util::createTag('myNs:myTag',
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* array('foo' => 'bar'),
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* 'This is inside the tag',
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* 'http://www.w3c.org/myNs#');
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* </code>
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*
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* @param string $qname qualified tagname (including namespace)
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* @param array $attributes array containg attributes
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* @param mixed $content the content
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* @param string $namespaceUri URI of the namespace
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* @param int $replaceEntities whether to replace XML special chars in
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* content, embedd it in a CData section
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* or none of both
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* @param bool $multiline whether to create a multiline tag where
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* each attribute gets written to a single line
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* @param string $indent string used to indent attributes
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* (_auto indents attributes so they start
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* at the same column)
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* @param string $linebreak string used for linebreaks
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* @param bool $sortAttributes Whether to sort the attributes or not
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* @param int $collapseTagMode How to handle a content-less, and thus collapseable, tag
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*
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* @return string XML tag
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* @see createTagFromArray()
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* @uses createTagFromArray() to create the tag
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*/
|
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public static function createTag(
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$qname, $attributes = array(), $content = null,
|
|
$namespaceUri = null, $replaceEntities = XML_UTIL_REPLACE_ENTITIES,
|
|
$multiline = false, $indent = '_auto', $linebreak = "\n",
|
|
$sortAttributes = true, $collapseTagMode = XML_UTIL_COLLAPSE_ALL
|
|
) {
|
|
$tag = array(
|
|
'qname' => $qname,
|
|
'attributes' => $attributes
|
|
);
|
|
|
|
// add tag content
|
|
if ($content !== null) {
|
|
$tag['content'] = $content;
|
|
}
|
|
|
|
// add namespace Uri
|
|
if ($namespaceUri !== null) {
|
|
$tag['namespaceUri'] = $namespaceUri;
|
|
}
|
|
|
|
return XML_Util::createTagFromArray(
|
|
$tag, $replaceEntities, $multiline,
|
|
$indent, $linebreak, $sortAttributes,
|
|
$collapseTagMode
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Create a tag from an array.
|
|
* This method awaits an array in the following format
|
|
* <pre>
|
|
* array(
|
|
* // qualified name of the tag
|
|
* 'qname' => $qname
|
|
*
|
|
* // namespace prefix (optional, if qname is specified or no namespace)
|
|
* 'namespace' => $namespace
|
|
*
|
|
* // local part of the tagname (optional, if qname is specified)
|
|
* 'localpart' => $localpart,
|
|
*
|
|
* // array containing all attributes (optional)
|
|
* 'attributes' => array(),
|
|
*
|
|
* // tag content (optional)
|
|
* 'content' => $content,
|
|
*
|
|
* // namespaceUri for the given namespace (optional)
|
|
* 'namespaceUri' => $namespaceUri
|
|
* )
|
|
* </pre>
|
|
*
|
|
* <code>
|
|
* require_once 'XML/Util.php';
|
|
*
|
|
* $tag = array(
|
|
* 'qname' => 'foo:bar',
|
|
* 'namespaceUri' => 'http://foo.com',
|
|
* 'attributes' => array('key' => 'value', 'argh' => 'fruit&vegetable'),
|
|
* 'content' => 'I\'m inside the tag',
|
|
* );
|
|
* // creating a tag with qualified name and namespaceUri
|
|
* $string = XML_Util::createTagFromArray($tag);
|
|
* </code>
|
|
*
|
|
* @param array $tag tag definition
|
|
* @param int $replaceEntities whether to replace XML special chars in
|
|
* content, embedd it in a CData section
|
|
* or none of both
|
|
* @param bool $multiline whether to create a multiline tag where each
|
|
* attribute gets written to a single line
|
|
* @param string $indent string used to indent attributes
|
|
* (_auto indents attributes so they start
|
|
* at the same column)
|
|
* @param string $linebreak string used for linebreaks
|
|
* @param bool $sortAttributes Whether to sort the attributes or not
|
|
* @param int $collapseTagMode How to handle a content-less, and thus collapseable, tag
|
|
*
|
|
* @return string XML tag
|
|
*
|
|
* @see createTag()
|
|
* @uses attributesToString() to serialize the attributes of the tag
|
|
* @uses splitQualifiedName() to get local part and namespace of a qualified name
|
|
* @uses createCDataSection()
|
|
* @uses collapseEmptyTags()
|
|
* @uses raiseError()
|
|
*/
|
|
public static function createTagFromArray(
|
|
$tag, $replaceEntities = XML_UTIL_REPLACE_ENTITIES,
|
|
$multiline = false, $indent = '_auto', $linebreak = "\n",
|
|
$sortAttributes = true, $collapseTagMode = XML_UTIL_COLLAPSE_ALL
|
|
) {
|
|
if (isset($tag['content']) && !is_scalar($tag['content'])) {
|
|
return XML_Util::raiseError(
|
|
'Supplied non-scalar value as tag content',
|
|
XML_UTIL_ERROR_NON_SCALAR_CONTENT
|
|
);
|
|
}
|
|
|
|
if (!isset($tag['qname']) && !isset($tag['localPart'])) {
|
|
return XML_Util::raiseError(
|
|
'You must either supply a qualified name '
|
|
. '(qname) or local tag name (localPart).',
|
|
XML_UTIL_ERROR_NO_TAG_NAME
|
|
);
|
|
}
|
|
|
|
// if no attributes hav been set, use empty attributes
|
|
if (!isset($tag['attributes']) || !is_array($tag['attributes'])) {
|
|
$tag['attributes'] = array();
|
|
}
|
|
|
|
if (isset($tag['namespaces'])) {
|
|
foreach ($tag['namespaces'] as $ns => $uri) {
|
|
$tag['attributes']['xmlns:' . $ns] = $uri;
|
|
}
|
|
}
|
|
|
|
if (!isset($tag['qname'])) {
|
|
// qualified name is not given
|
|
|
|
// check for namespace
|
|
if (isset($tag['namespace']) && !empty($tag['namespace'])) {
|
|
$tag['qname'] = $tag['namespace'] . ':' . $tag['localPart'];
|
|
} else {
|
|
$tag['qname'] = $tag['localPart'];
|
|
}
|
|
} elseif (isset($tag['namespaceUri']) && !isset($tag['namespace'])) {
|
|
// namespace URI is set, but no namespace
|
|
|
|
$parts = XML_Util::splitQualifiedName($tag['qname']);
|
|
|
|
$tag['localPart'] = $parts['localPart'];
|
|
if (isset($parts['namespace'])) {
|
|
$tag['namespace'] = $parts['namespace'];
|
|
}
|
|
}
|
|
|
|
if (isset($tag['namespaceUri']) && !empty($tag['namespaceUri'])) {
|
|
// is a namespace given
|
|
if (isset($tag['namespace']) && !empty($tag['namespace'])) {
|
|
$tag['attributes']['xmlns:' . $tag['namespace']]
|
|
= $tag['namespaceUri'];
|
|
} else {
|
|
// define this Uri as the default namespace
|
|
$tag['attributes']['xmlns'] = $tag['namespaceUri'];
|
|
}
|
|
}
|
|
|
|
if (!array_key_exists('content', $tag)) {
|
|
$tag['content'] = '';
|
|
}
|
|
|
|
// check for multiline attributes
|
|
if ($multiline === true) {
|
|
if ($indent === '_auto') {
|
|
$indent = str_repeat(' ', (strlen($tag['qname'])+2));
|
|
}
|
|
}
|
|
|
|
// create attribute list
|
|
$attList = XML_Util::attributesToString(
|
|
$tag['attributes'],
|
|
$sortAttributes, $multiline, $indent, $linebreak
|
|
);
|
|
|
|
switch ($replaceEntities) {
|
|
case XML_UTIL_ENTITIES_NONE:
|
|
break;
|
|
case XML_UTIL_CDATA_SECTION:
|
|
$tag['content'] = XML_Util::createCDataSection($tag['content']);
|
|
break;
|
|
default:
|
|
$tag['content'] = XML_Util::replaceEntities(
|
|
$tag['content'], $replaceEntities
|
|
);
|
|
break;
|
|
}
|
|
$tag = sprintf(
|
|
'<%s%s>%s</%s>', $tag['qname'], $attList, $tag['content'],
|
|
$tag['qname']
|
|
);
|
|
|
|
return self::collapseEmptyTags($tag, $collapseTagMode);
|
|
}
|
|
|
|
/**
|
|
* Create a start element
|
|
*
|
|
* <code>
|
|
* require_once 'XML/Util.php';
|
|
*
|
|
* // create an XML start element:
|
|
* $tag = XML_Util::createStartElement('myNs:myTag',
|
|
* array('foo' => 'bar') ,'http://www.w3c.org/myNs#');
|
|
* </code>
|
|
*
|
|
* @param string $qname qualified tagname (including namespace)
|
|
* @param array $attributes array containg attributes
|
|
* @param string $namespaceUri URI of the namespace
|
|
* @param bool $multiline whether to create a multiline tag where each
|
|
* attribute gets written to a single line
|
|
* @param string $indent string used to indent attributes (_auto indents
|
|
* attributes so they start at the same column)
|
|
* @param string $linebreak string used for linebreaks
|
|
* @param bool $sortAttributes Whether to sort the attributes or not
|
|
*
|
|
* @return string XML start element
|
|
* @see createEndElement(), createTag()
|
|
*/
|
|
public static function createStartElement(
|
|
$qname, $attributes = array(), $namespaceUri = null,
|
|
$multiline = false, $indent = '_auto', $linebreak = "\n",
|
|
$sortAttributes = true
|
|
) {
|
|
// if no attributes hav been set, use empty attributes
|
|
if (!isset($attributes) || !is_array($attributes)) {
|
|
$attributes = array();
|
|
}
|
|
|
|
if ($namespaceUri != null) {
|
|
$parts = XML_Util::splitQualifiedName($qname);
|
|
}
|
|
|
|
// check for multiline attributes
|
|
if ($multiline === true) {
|
|
if ($indent === '_auto') {
|
|
$indent = str_repeat(' ', (strlen($qname)+2));
|
|
}
|
|
}
|
|
|
|
if ($namespaceUri != null) {
|
|
// is a namespace given
|
|
if (isset($parts['namespace']) && !empty($parts['namespace'])) {
|
|
$attributes['xmlns:' . $parts['namespace']] = $namespaceUri;
|
|
} else {
|
|
// define this Uri as the default namespace
|
|
$attributes['xmlns'] = $namespaceUri;
|
|
}
|
|
}
|
|
|
|
// create attribute list
|
|
$attList = XML_Util::attributesToString(
|
|
$attributes, $sortAttributes,
|
|
$multiline, $indent, $linebreak
|
|
);
|
|
$element = sprintf('<%s%s>', $qname, $attList);
|
|
return $element;
|
|
}
|
|
|
|
/**
|
|
* Create an end element
|
|
*
|
|
* <code>
|
|
* require_once 'XML/Util.php';
|
|
*
|
|
* // create an XML start element:
|
|
* $tag = XML_Util::createEndElement('myNs:myTag');
|
|
* </code>
|
|
*
|
|
* @param string $qname qualified tagname (including namespace)
|
|
*
|
|
* @return string XML end element
|
|
* @see createStartElement(), createTag()
|
|
*/
|
|
public static function createEndElement($qname)
|
|
{
|
|
$element = sprintf('</%s>', $qname);
|
|
return $element;
|
|
}
|
|
|
|
/**
|
|
* Create an XML comment
|
|
*
|
|
* <code>
|
|
* require_once 'XML/Util.php';
|
|
*
|
|
* // create an XML start element:
|
|
* $tag = XML_Util::createComment('I am a comment');
|
|
* </code>
|
|
*
|
|
* @param string $content content of the comment
|
|
*
|
|
* @return string XML comment
|
|
*/
|
|
public static function createComment($content)
|
|
{
|
|
$comment = sprintf('<!-- %s -->', $content);
|
|
return $comment;
|
|
}
|
|
|
|
/**
|
|
* Create a CData section
|
|
*
|
|
* <code>
|
|
* require_once 'XML/Util.php';
|
|
*
|
|
* // create a CData section
|
|
* $tag = XML_Util::createCDataSection('I am content.');
|
|
* </code>
|
|
*
|
|
* @param string $data data of the CData section
|
|
*
|
|
* @return string CData section with content
|
|
*/
|
|
public static function createCDataSection($data)
|
|
{
|
|
return sprintf(
|
|
'<![CDATA[%s]]>',
|
|
preg_replace('/\]\]>/', ']]]]><![CDATA[>', strval($data))
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Split qualified name and return namespace and local part
|
|
*
|
|
* <code>
|
|
* require_once 'XML/Util.php';
|
|
*
|
|
* // split qualified tag
|
|
* $parts = XML_Util::splitQualifiedName('xslt:stylesheet');
|
|
* </code>
|
|
* the returned array will contain two elements:
|
|
* <pre>
|
|
* array(
|
|
* 'namespace' => 'xslt',
|
|
* 'localPart' => 'stylesheet'
|
|
* );
|
|
* </pre>
|
|
*
|
|
* @param string $qname qualified tag name
|
|
* @param string $defaultNs default namespace (optional)
|
|
*
|
|
* @return array array containing namespace and local part
|
|
*/
|
|
public static function splitQualifiedName($qname, $defaultNs = null)
|
|
{
|
|
if (strstr($qname, ':')) {
|
|
$tmp = explode(':', $qname);
|
|
return array(
|
|
'namespace' => $tmp[0],
|
|
'localPart' => $tmp[1]
|
|
);
|
|
}
|
|
return array(
|
|
'namespace' => $defaultNs,
|
|
'localPart' => $qname
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Check, whether string is valid XML name
|
|
*
|
|
* <p>XML names are used for tagname, attribute names and various
|
|
* other, lesser known entities.</p>
|
|
* <p>An XML name may only consist of alphanumeric characters,
|
|
* dashes, undescores and periods, and has to start with a letter
|
|
* or an underscore.</p>
|
|
*
|
|
* <code>
|
|
* require_once 'XML/Util.php';
|
|
*
|
|
* // verify tag name
|
|
* $result = XML_Util::isValidName('invalidTag?');
|
|
* if (is_a($result, 'PEAR_Error')) {
|
|
* print 'Invalid XML name: ' . $result->getMessage();
|
|
* }
|
|
* </code>
|
|
*
|
|
* @param string $string string that should be checked
|
|
*
|
|
* @return mixed true, if string is a valid XML name, PEAR error otherwise
|
|
*
|
|
* @todo support for other charsets
|
|
* @todo PEAR CS - unable to avoid 85-char limit on second preg_match
|
|
*/
|
|
public static function isValidName($string)
|
|
{
|
|
// check for invalid chars
|
|
if (!preg_match('/^[[:alpha:]_]\\z/', $string{0})) {
|
|
return XML_Util::raiseError(
|
|
'XML names may only start with letter or underscore',
|
|
XML_UTIL_ERROR_INVALID_START
|
|
);
|
|
}
|
|
|
|
// check for invalid chars
|
|
$match = preg_match(
|
|
'/^([[:alpha:]_]([[:alnum:]\-\.]*)?:)?'
|
|
. '[[:alpha:]_]([[:alnum:]\_\-\.]+)?\\z/',
|
|
$string
|
|
);
|
|
if (!$match) {
|
|
return XML_Util::raiseError(
|
|
'XML names may only contain alphanumeric '
|
|
. 'chars, period, hyphen, colon and underscores',
|
|
XML_UTIL_ERROR_INVALID_CHARS
|
|
);
|
|
}
|
|
// XML name is valid
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Replacement for XML_Util::raiseError
|
|
*
|
|
* Avoids the necessity to always require
|
|
* PEAR.php
|
|
*
|
|
* @param string $msg error message
|
|
* @param int $code error code
|
|
*
|
|
* @return PEAR_Error
|
|
* @todo PEAR CS - should this use include_once instead?
|
|
*/
|
|
public static function raiseError($msg, $code)
|
|
{
|
|
include_once 'PEAR.php';
|
|
return PEAR::raiseError($msg, $code);
|
|
}
|
|
}
|
|
?>
|