+++ /dev/null
-<?php
-
-/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
-
-/**
- * XML_Util
- *
- * XML Utilities package
- *
- * PHP versions 4 and 5
- *
- * LICENSE:
- *
- * Copyright (c) 2003-2008 Stephan Schmidt <schst@php.net>
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * * The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
- * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * @category XML
- * @package XML_Util
- * @author Stephan Schmidt <schst@php.net>
- * @copyright 2003-2008 Stephan Schmidt <schst@php.net>
- * @license http://opensource.org/licenses/bsd-license New BSD License
- * @version CVS: $Id: Util.php,v 1.38 2008/11/13 00:03:38 ashnazg Exp $
- * @link http://pear.php.net/package/XML_Util
- */
-
-/**
- * error code for invalid chars in XML name
- */
-define('XML_UTIL_ERROR_INVALID_CHARS', 51);
-
-/**
- * error code for invalid chars in XML name
- */
-define('XML_UTIL_ERROR_INVALID_START', 52);
-
-/**
- * error code for non-scalar tag content
- */
-define('XML_UTIL_ERROR_NON_SCALAR_CONTENT', 60);
-
-/**
- * error code for missing tag name
- */
-define('XML_UTIL_ERROR_NO_TAG_NAME', 61);
-
-/**
- * replace XML entities
- */
-define('XML_UTIL_REPLACE_ENTITIES', 1);
-
-/**
- * embedd content in a CData Section
- */
-define('XML_UTIL_CDATA_SECTION', 5);
-
-/**
- * do not replace entitites
- */
-define('XML_UTIL_ENTITIES_NONE', 0);
-
-/**
- * replace all XML entitites
- * This setting will replace <, >, ", ' and &
- */
-define('XML_UTIL_ENTITIES_XML', 1);
-
-/**
- * replace only required XML entitites
- * This setting will replace <, " and &
- */
-define('XML_UTIL_ENTITIES_XML_REQUIRED', 2);
-
-/**
- * replace HTML entitites
- * @link http://www.php.net/htmlentities
- */
-define('XML_UTIL_ENTITIES_HTML', 3);
-
-/**
- * Collapse all empty tags.
- */
-define('XML_UTIL_COLLAPSE_ALL', 1);
-
-/**
- * Collapse only empty XHTML tags that have no end tag.
- */
-define('XML_UTIL_COLLAPSE_XHTML_ONLY', 2);
-
-/**
- * utility class for working with XML documents
- *
- *
- * @category XML
- * @package XML_Util
- * @author Stephan Schmidt <schst@php.net>
- * @copyright 2003-2008 Stephan Schmidt <schst@php.net>
- * @license http://opensource.org/licenses/bsd-license New BSD License
- * @version Release: 1.2.1
- * @link http://pear.php.net/package/XML_Util
- */
-class XML_Util {
-
- /**
- * return API version
- *
- * @return string $version API version
- * @access public
- * @static
- */
- public function apiVersion() {
- return '1.1';
- }
-
- /**
- * replace XML entities
- *
- * With the optional second parameter, you may select, which
- * entities should be replaced.
- *
- * <code>
- * require_once 'XML/Util.php';
- *
- * // replace XML entites:
- * $string = XML_Util::replaceEntities('This string contains < & >.');
- * </code>
- *
- * With the optional third parameter, you may pass the character encoding
- * <code>
- * require_once 'XML/Util.php';
- *
- * // replace XML entites in UTF-8:
- * $string = XML_Util::replaceEntities(
- * 'This string contains < & > as well as ä, ö, ß, à and ê',
- * XML_UTIL_ENTITIES_HTML,
- * 'UTF-8'
- * );
- * </code>
- *
- * @param string $string string where XML special chars
- * should be replaced
- * @param int $replaceEntities
- * (one of XML_UTIL_ENTITIES_XML,
- * XML_UTIL_ENTITIES_XML_REQUIRED,
- * XML_UTIL_ENTITIES_HTML)
- * @param string $encoding encoding value (if any)...
- * must be a valid encoding as determined
- * by the htmlentities() function
- *
- * @return string string with replaced chars
- * @access public
- * @static
- * @see reverseEntities()
- */
- public function replaceEntities($string, $replaceEntities = XML_UTIL_ENTITIES_XML,
- $encoding = 'ISO-8859-1') {
- switch ($replaceEntities) {
- case XML_UTIL_ENTITIES_XML:
- return strtr($string, array(
- '&' => '&',
- '>' => '>',
- '<' => '<',
- '"' => '"',
- '\'' => ''',
- ));
-
- break;
- case XML_UTIL_ENTITIES_XML_REQUIRED:
- return strtr($string, array(
- '&' => '&',
- '<' => '<',
- '"' => '"',
- ));
-
- break;
- case XML_UTIL_ENTITIES_HTML:
- return htmlentities($string, ENT_COMPAT, $encoding);
-
- break;
- }
- return $string;
- }
-
- /**
- * reverse XML entities
- *
- * With the optional second parameter, you may select, which
- * entities should be reversed.
- *
- * <code>
- * require_once 'XML/Util.php';
- *
- * // reverse XML entites:
- * $string = XML_Util::reverseEntities('This string contains < & >.');
- * </code>
- *
- * With the optional third parameter, you may pass the character encoding
- * <code>
- * require_once 'XML/Util.php';
- *
- * // reverse XML entites in UTF-8:
- * $string = XML_Util::reverseEntities(
- * 'This string contains < & > as well as'
- * . ' ä, ö, ß, à and ê',
- * XML_UTIL_ENTITIES_HTML,
- * 'UTF-8'
- * );
- * </code>
- *
- * @param string $string string where XML special chars
- * should be replaced
- * @param int $replaceEntities
- * (one of XML_UTIL_ENTITIES_XML,
- * XML_UTIL_ENTITIES_XML_REQUIRED,
- * XML_UTIL_ENTITIES_HTML)
- * @param string $encoding encoding value (if any)...
- * must be a valid encoding as determined
- * by the html_entity_decode() function
- *
- * @return string string with replaced chars
- * @access public
- * @static
- * @see replaceEntities()
- */
- public function reverseEntities($string, $replaceEntities = XML_UTIL_ENTITIES_XML,
- $encoding = 'ISO-8859-1') {
- switch ($replaceEntities) {
- case XML_UTIL_ENTITIES_XML:
- return strtr($string, array(
- '&' => '&',
- '>' => '>',
- '<' => '<',
- '"' => '"',
- ''' => '\'',
- ));
-
- break;
- case XML_UTIL_ENTITIES_XML_REQUIRED:
- return strtr($string, array(
- '&' => '&',
- '<' => '<',
- '"' => '"',
- ));
-
- break;
- case XML_UTIL_ENTITIES_HTML:
- return html_entity_decode($string, ENT_COMPAT, $encoding);
-
- break;
- }
- return $string;
- }
-
- /**
- * build an xml declaration
- *
- * <code>
- * require_once 'XML/Util.php';
- *
- * // get an XML declaration:
- * $xmlDecl = XML_Util::getXMLDeclaration('1.0', 'UTF-8', true);
- * </code>
- *
- * @param string $version xml version
- * @param string $encoding character encoding
- * @param bool $standalone
- *
- * @return string xml declaration
- * @access public
- * @static
- * @uses attributesToString() to serialize the attributes of the XML declaration
- */
- public function getXMLDeclaration($version = '1.0', $encoding = NULL,
- $standalone = NULL) {
- $attributes = array(
- 'version' => $version,
- );
- // add encoding
- if ($encoding !== NULL) {
- $attributes['encoding'] = $encoding;
- }
- // add standalone, if specified
- if ($standalone !== NULL) {
- $attributes['standalone'] = $standalone ? 'yes' : 'no';
- }
-
- return sprintf('<?xml%s?>',
- XML_Util::attributesToString($attributes, FALSE));
- }
-
- /**
- * build a document type declaration
- *
- * <code>
- * require_once 'XML/Util.php';
- *
- * // get a doctype declaration:
- * $xmlDecl = XML_Util::getDocTypeDeclaration('rootTag','myDocType.dtd');
- * </code>
- *
- * @param string $root name of the root tag
- * @param string $uri uri of the doctype definition
- * (or array with uri and public id)
- * @param string $internalDtd internal dtd entries
- *
- * @return string doctype declaration
- * @access public
- * @static
- * @since 0.2
- */
- public function getDocTypeDeclaration($root, $uri = NULL, $internalDtd = NULL) {
- if (is_array($uri)) {
- $ref = sprintf(' PUBLIC "%s" "%s"', $uri['id'], $uri['uri']);
- }
- elseif (!empty($uri)) {
- $ref = sprintf(' SYSTEM "%s"', $uri);
- }
- else {
- $ref = '';
- }
-
- if (empty($internalDtd)) {
- return sprintf('<!DOCTYPE %s%s>', $root, $ref);
- }
- else {
- return sprintf("<!DOCTYPE %s%s [\n%s\n]>", $root, $ref, $internalDtd);
- }
- }
-
- /**
- * create string representation of an attribute list
- *
- * <code>
- * require_once 'XML/Util.php';
- *
- * // build an attribute string
- * $att = array(
- * 'foo' => 'bar',
- * 'argh' => 'tomato'
- * );
- *
- * $attList = XML_Util::attributesToString($att);
- * </code>
- *
- * @param array $attributes
- * @param bool|array $sort sort attribute list alphabetically,
- * may also be an assoc array containing
- * the keys 'sort', 'multiline', 'indent',
- * 'linebreak' and 'entities'
- * @param bool $multiline
- * one attribute is given
- * @param string $indent
- * multiline attributes
- * @param string $linebreak
- * multiline attributes
- * @param int $entities
- * (one of XML_UTIL_ENTITIES_NONE,
- * XML_UTIL_ENTITIES_XML,
- * XML_UTIL_ENTITIES_XML_REQUIRED,
- * XML_UTIL_ENTITIES_HTML)
- *
- * @return string string representation of the attributes
- * @access public
- * @static
- * @uses replaceEntities() to replace XML entities in attribute values
- * @todo allow sort also to be an options array
- */
- public function attributesToString($attributes, $sort = TRUE, $multiline = FALSE,
- $indent = ' ', $linebreak = "\n", $entities = XML_UTIL_ENTITIES_XML) {
- /*
- * second parameter may be an array
- */
- if (is_array($sort)) {
- if (isset($sort['multiline'])) {
- $multiline = $sort['multiline'];
- }
- if (isset($sort['indent'])) {
- $indent = $sort['indent'];
- }
- if (isset($sort['linebreak'])) {
- $multiline = $sort['linebreak'];
- }
- if (isset($sort['entities'])) {
- $entities = $sort['entities'];
- }
- if (isset($sort['sort'])) {
- $sort = $sort['sort'];
- }
- else {
- $sort = TRUE;
- }
- }
- $string = '';
- if (is_array($attributes) && !empty($attributes)) {
- if ($sort) {
- ksort($attributes);
- }
- if (!$multiline || count($attributes) == 1) {
- foreach ($attributes as $key => $value) {
- if ($entities != XML_UTIL_ENTITIES_NONE) {
- if ($entities === XML_UTIL_CDATA_SECTION) {
- $entities = XML_UTIL_ENTITIES_XML;
- }
- $value = XML_Util::replaceEntities($value, $entities);
- }
- $string .= ' ' . $key . '="' . $value . '"';
- }
- }
- else {
- $first = TRUE;
- foreach ($attributes as $key => $value) {
- if ($entities != XML_UTIL_ENTITIES_NONE) {
- $value = XML_Util::replaceEntities($value, $entities);
- }
- if ($first) {
- $string .= ' ' . $key . '="' . $value . '"';
- $first = FALSE;
- }
- else {
- $string .= $linebreak . $indent . $key . '="' . $value . '"';
- }
- }
- }
- }
- return $string;
- }
-
- /**
- * Collapses empty tags.
- *
- * @param string $xml XML
- * @param int $mode
- * or only XHTML (XML_UTIL_COLLAPSE_XHTML_ONLY) ones.
- *
- * @return string XML
- * @access public
- * @static
- * @todo PEAR CS - unable to avoid "space after open parens" error
- * in the IF branch
- */
- public function collapseEmptyTags($xml, $mode = XML_UTIL_COLLAPSE_ALL) {
- if ($mode == XML_UTIL_COLLAPSE_XHTML_ONLY) {
- return preg_replace(
- '/<(area|base(?:font)?|br|col|frame|hr|img|input|isindex|link|meta|'
- . 'param)([^>]*)><\/\\1>/s',
- '<\\1\\2 />',
- $xml);
- }
- else {
- return preg_replace('/<(\w+)([^>]*)><\/\\1>/s', '<\\1\\2 />', $xml);
- }
- }
-
- /**
- * create a tag
- *
- * This method will call XML_Util::createTagFromArray(), which
- * is more flexible.
- *
- * <code>
- * require_once 'XML/Util.php';
- *
- * // create an XML tag:
- * $tag = XML_Util::createTag('myNs:myTag',
- * array('foo' => 'bar'),
- * 'This is inside the tag',
- * 'http://www.w3c.org/myNs#');
- * </code>
- *
- * @param string $qname qualified tagname (including namespace)
- * @param array $attributes
- * @param mixed $content
- * @param string $namespaceUri URI of the namespace
- * @param int $replaceEntities
- * content, embedd it in a CData section
- * or none of both
- * @param bool $multiline
- * 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 $sortAttributes
- *
- * @return string XML tag
- * @access public
- * @static
- * @see createTagFromArray()
- * @uses createTagFromArray() to create the tag
- */
- public function createTag($qname, $attributes = array(), $content = NULL,
- $namespaceUri = NULL, $replaceEntities = XML_UTIL_REPLACE_ENTITIES,
- $multiline = FALSE, $indent = '_auto', $linebreak = "\n",
- $sortAttributes = TRUE) {
- $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);
- }
-
- /**
- * 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
- * @param int $replaceEntities
- * content, embedd it in a CData section
- * or none of both
- * @param bool $multiline
- * 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 $sortAttributes
- *
- * @return string XML tag
- * @access public
- * @static
- * @see createTag()
- * @uses attributesToString() to serialize the attributes of the tag
- * @uses splitQualifiedName() to get local part and namespace of a qualified name
- * @uses createCDataSection()
- * @uses raiseError()
- */
- public function createTagFromArray($tag, $replaceEntities = XML_UTIL_REPLACE_ENTITIES,
- $multiline = FALSE, $indent = '_auto', $linebreak = "\n",
- $sortAttributes = TRUE) {
- if (isset($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'] = $tag['namespaceUri'];
- }
- }
-
- // check for multiline attributes
- if ($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, $replaceEntities);
- if (!isset($tag['content']) || (string) $tag['content'] == '') {
- $tag = sprintf('<%s%s />', $tag['qname'], $attList);
- }
- else {
- switch ($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 $tag;
- }
-
- /**
- * 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
- * @param string $namespaceUri URI of the namespace
- * @param bool $multiline
- * 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 $sortAttributes
- *
- * @return string XML start element
- * @access public
- * @static
- * @see createEndElement()
- * @see createTag()
- */
- public function createStartElement($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 $qname qualified tagname (including namespace)
- *
- * @return string XML end element
- * @access public
- * @static
- * @see createStartElement()
- * @see createTag()
- */
- public function createEndElement($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 $content content of the comment
- *
- * @return string XML comment
- * @access public
- * @static
- */
- public function createComment($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 $data data of the CData section
- *
- * @return string CData section with content
- * @access public
- * @static
- */
- public function createCDataSection($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 $defaultNs default namespace (optional)
- *
- * @return array array containing namespace and local part
- * @access public
- * @static
- */
- public function splitQualifiedName($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 $string string that should be checked
- *
- * @return mixed true, if string is a valid XML name, PEAR error otherwise
- * @access public
- * @static
- * @todo support for other charsets
- * @todo PEAR CS - unable to avoid 85-char limit on second preg_match
- */
- public function isValidName($string) {
- // check for invalid chars
- if (!preg_match('/^[[:alpha:]_]$/', $string{0})) {
- return XML_Util::raiseError('XML names may only start with letter '
- . 'or underscore', XML_UTIL_ERROR_INVALID_START);
- }
-
- // check for invalid chars
- if (!preg_match('/^([[:alpha:]_]([[:alnum:]\-\.]*)?:)?[[:alpha:]_]([[:alnum:]\_\-\.]+)?$/',
- $string)
- ) {
- 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 $code
- *
- * @return PEAR_Error
- * @access public
- * @static
- * @todo PEAR CS - should this use include_once instead?
- */
- public function raiseError($msg, $code) {
- require_once 'PEAR.php';
- return PEAR::raiseError($msg, $code);
- }
-
-}