MediaWiki 1.7.1 wiederhergestellt

1 files changed, 279 insertions, 0 deletions

diff --git a/includes/Xml.php b/includes/Xml.php
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+<?php

+

+/**

+ * Module of static functions for generating XML

+ */

+

+class Xml {

+	/**

+	 * Format an XML element with given attributes and, optionally, text content.

+	 * Element and attribute names are assumed to be ready for literal inclusion.

+	 * Strings are assumed to not contain XML-illegal characters; special

+	 * characters (<, >, &) are escaped but illegals are not touched.

+	 *

+	 * @param $element String:

+	 * @param $attribs Array: Name=>value pairs. Values will be escaped.

+	 * @param $contents String: NULL to make an open tag only; '' for a contentless closed tag (default)

+	 * @return string

+	 */

+	function element( $element, $attribs = null, $contents = '') {

+		$out = '<' . $element;

+		if( !is_null( $attribs ) ) {

+			foreach( $attribs as $name => $val ) {

+				$out .= ' ' . $name . '="' . Sanitizer::encodeAttribute( $val ) . '"';

+			}

+		}

+		if( is_null( $contents ) ) {

+			$out .= '>';

+		} else {

+			if( $contents === '' ) {

+				$out .= ' />';

+			} else {

+				$out .= '>' . htmlspecialchars( $contents ) . "</$element>";

+			}

+		}

+		return $out;

+	}

+

+	/**

+	 * Format an XML element as with self::element(), but run text through the

+	 * UtfNormal::cleanUp() validator first to ensure that no invalid UTF-8

+	 * is passed.

+	 *

+	 * @param $element String:

+	 * @param $attribs Array: Name=>value pairs. Values will be escaped.

+	 * @param $contents String: NULL to make an open tag only; '' for a contentless closed tag (default)

+	 * @return string

+	 */

+	function elementClean( $element, $attribs = array(), $contents = '') {

+		if( $attribs ) {

+			$attribs = array_map( array( 'UtfNormal', 'cleanUp' ), $attribs );

+		}

+		if( $contents ) {

+			$contents = UtfNormal::cleanUp( $contents );

+		}

+		return self::element( $element, $attribs, $contents );

+	}

+

+	// Shortcuts

+	function openElement( $element, $attribs = null ) { return self::element( $element, $attribs, null ); }

+	function closeElement( $element ) { return "</$element>"; }

+

+	/**

+	 * Create a namespace selector

+	 *

+	 * @param $selected Mixed: the namespace which should be selected, default ''

+	 * @param $allnamespaces String: value of a special item denoting all namespaces. Null to not include (default)

+	 * @param $includehidden Bool: include hidden namespaces?

+	 * @return String: Html string containing the namespace selector

+	 */

+	function &namespaceSelector($selected = '', $allnamespaces = null, $includehidden=false) {

+		global $wgContLang;

+		if( $selected !== '' ) {

+			if( is_null( $selected ) ) {

+				// No namespace selected; let exact match work without hitting Main

+				$selected = '';

+			} else {

+				// Let input be numeric strings without breaking the empty match.

+				$selected = intval( $selected );

+			}

+		}

+		$s = "<select id='namespace' name='namespace' class='namespaceselector'>\n\t";

+		$arr = $wgContLang->getFormattedNamespaces();

+		if( !is_null($allnamespaces) ) {

+			$arr = array($allnamespaces => wfMsg('namespacesall')) + $arr;

+		}

+		foreach ($arr as $index => $name) {

+			if ($index < NS_MAIN) continue;

+

+			$name = $index !== 0 ? $name : wfMsg('blanknamespace');

+

+			if ($index === $selected) {

+				$s .= self::element("option",

+						array("value" => $index, "selected" => "selected"),

+						$name);

+			} else {

+				$s .= self::element("option", array("value" => $index), $name);

+			}

+		}

+		$s .= "\n</select>\n";

+		return $s;

+	}

+

+	function span( $text, $class, $attribs=array() ) {

+		return self::element( 'span', array( 'class' => $class ) + $attribs, $text );

+	}

+

+	/**

+	 * Convenience function to build an HTML text input field

+	 * @return string HTML

+	 */

+	function input( $name, $size=false, $value=false, $attribs=array() ) {

+		return self::element( 'input', array(

+			'name' => $name,

+			'size' => $size,

+			'value' => $value ) + $attribs );

+	}

+

+	/**

+	 * Internal function for use in checkboxes and radio buttons and such.

+	 * @return array

+	 */

+	function attrib( $name, $present = true ) {

+		return $present ? array( $name => $name ) : array();

+	}

+

+	/**

+	 * Convenience function to build an HTML checkbox

+	 * @return string HTML

+	 */

+	function check( $name, $checked=false, $attribs=array() ) {

+		return self::element( 'input', array(

+			'name' => $name,

+			'type' => 'checkbox',

+			'value' => 1 ) + self::attrib( 'checked', $checked ) +  $attribs );

+	}

+

+	/**

+	 * Convenience function to build an HTML radio button

+	 * @return string HTML

+	 */

+	function radio( $name, $value, $checked=false, $attribs=array() ) {

+		return self::element( 'input', array(

+			'name' => $name,

+			'type' => 'radio',

+			'value' => $value ) + self::attrib( 'checked', $checked ) + $attribs );

+	}

+

+	/**

+	 * Convenience function to build an HTML form label

+	 * @return string HTML

+	 */

+	function label( $label, $id ) {

+		return self::element( 'label', array( 'for' => $id ), $label );

+	}

+

+	/**

+	 * Convenience function to build an HTML text input field with a label

+	 * @return string HTML

+	 */

+	function inputLabel( $label, $name, $id, $size=false, $value=false, $attribs=array() ) {

+		return Xml::label( $label, $id ) .

+			'&nbsp;' .

+			self::input( $name, $size, $value, array( 'id' => $id ) + $attribs );

+	}

+

+	/**

+	 * Convenience function to build an HTML checkbox with a label

+	 * @return string HTML

+	 */

+	function checkLabel( $label, $name, $id, $checked=false, $attribs=array() ) {

+		return self::check( $name, $checked, array( 'id' => $id ) + $attribs ) .

+			'&nbsp;' .

+			self::label( $label, $id );

+	}

+

+	/**

+	 * Convenience function to build an HTML radio button with a label

+	 * @return string HTML

+	 */

+	function radioLabel( $label, $name, $value, $id, $checked=false, $attribs=array() ) {

+		return self::radio( $name, $value, $checked, array( 'id' => $id ) + $attribs ) .

+			'&nbsp;' .

+			self::label( $label, $id );

+	}

+

+	/**

+	 * Convenience function to build an HTML submit button

+	 * @param $value String: label text for the button

+	 * @param $attribs Array: optional custom attributes

+	 * @return string HTML

+	 */

+	function submitButton( $value, $attribs=array() ) {

+		return self::element( 'input', array( 'type' => 'submit', 'value' => $value ) + $attribs );

+	}

+

+	/**

+	 * Convenience function to build an HTML hidden form field.

+	 * @todo Document $name parameter.

+	 * @param $name FIXME

+	 * @param $value String: label text for the button

+	 * @param $attribs Array: optional custom attributes

+	 * @return string HTML

+	 */

+	function hidden( $name, $value, $attribs=array() ) {

+		return self::element( 'input', array(

+			'name' => $name,

+			'type' => 'hidden',

+			'value' => $value ) + $attribs );

+	}

+

+	/**

+	 * Returns an escaped string suitable for inclusion in a string literal

+	 * for JavaScript source code.

+	 * Illegal control characters are assumed not to be present.

+	 *

+	 * @param string $string

+	 * @return string

+	 */

+	function escapeJsString( $string ) {

+		// See ECMA 262 section 7.8.4 for string literal format

+		$pairs = array(

+			"\\" => "\\\\",

+			"\"" => "\\\"",

+			'\'' => '\\\'',

+			"\n" => "\\n",

+			"\r" => "\\r",

+

+			# To avoid closing the element or CDATA section

+			"<" => "\\x3c",

+			">" => "\\x3e",

+		);

+		return strtr( $string, $pairs );

+	}

+

+	/**

+	 * Check if a string is well-formed XML.

+	 * Must include the surrounding tag.

+	 *

+	 * @param $text String: string to test.

+	 * @return bool

+	 *

+	 * @todo Error position reporting return

+	 */

+	function isWellFormed( $text ) {

+		$parser = xml_parser_create( "UTF-8" );

+

+		# case folding violates XML standard, turn it off

+		xml_parser_set_option( $parser, XML_OPTION_CASE_FOLDING, false );

+

+		if( !xml_parse( $parser, $text, true ) ) {

+			$err = xml_error_string( xml_get_error_code( $parser ) );

+			$position = xml_get_current_byte_index( $parser );

+			//$fragment = $this->extractFragment( $html, $position );

+			//$this->mXmlError = "$err at byte $position:\n$fragment";

+			xml_parser_free( $parser );

+			return false;

+		}

+		xml_parser_free( $parser );

+		return true;

+	}

+

+	/**

+	 * Check if a string is a well-formed XML fragment.

+	 * Wraps fragment in an \<html\> bit and doctype, so it can be a fragment

+	 * and can use HTML named entities.

+	 *

+	 * @param $text String:

+	 * @return bool

+	 */

+	function isWellFormedXmlFragment( $text ) {

+		$html =

+			Sanitizer::hackDocType() .

+			'<html>' .

+			$text .

+			'</html>';

+		return Xml::isWellFormed( $html );

+	}

+}

+?>