134 lines
4.6 KiB
PHP
134 lines
4.6 KiB
PHP
<?php
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// +-----------------------------------------------------------------------+
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// | Piwigo - a PHP based picture gallery |
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// +-----------------------------------------------------------------------+
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// | Copyright(C) 2008-2009 Piwigo Team http://piwigo.org |
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// | Copyright(C) 2003-2008 PhpWebGallery Team http://phpwebgallery.net |
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// | Copyright(C) 2002-2003 Pierrick LE GALL http://le-gall.net/pierrick |
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// +-----------------------------------------------------------------------+
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// | This program is free software; you can redistribute it and/or modify |
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// | it under the terms of the GNU General Public License as published by |
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// | the Free Software Foundation |
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// | |
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// | This program is distributed in the hope that it will be useful, but |
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// | WITHOUT ANY WARRANTY; without even the implied warranty of |
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// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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// | General Public License for more details. |
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// | |
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// | You should have received a copy of the GNU General Public License |
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// | along with this program; if not, write to the Free Software |
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// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
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// | USA. |
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// +-----------------------------------------------------------------------+
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define( 'ATT_REG', '\w+' );
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define( 'VAL_REG', '[^"]*' );
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//------------------------------------------------------------------- functions
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// getContent returns the content of a tag
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//
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// example : getContent( "<name>Joe</name>" ) returns "Joe"
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//
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// It also works with strings containing themself sub-tags :
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// <perso><name>Jean</name><firstname>Billie</fisrtname></perso> ->
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// <name>Jean</name><firstname>Billie</firstname>
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function getContent( $element )
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{
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// deleting start of the tag
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$content = preg_replace( '/^<[^>]+>/', '', $element );
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// deleting end of the tag
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$content = preg_replace( '/<\/[^>]+>$/', '', $content );
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// replacing multiple instance of space character
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$content = preg_replace( '/\s+/', ' ', $content );
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return $content;
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}
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// The function get Attribute returns the value corresponding to the
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// attribute $attribute for the tag $element.
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function getAttribute( $element, $attribute )
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{
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// echo htmlentities($element).'<br /><br />';
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$regex = '/^<\w+[^>]*\b'.$attribute.'\s*=\s*"('.VAL_REG.')"/i';
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if ( preg_match( $regex, $element, $out ) )
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{
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return html_entity_decode($out[1], ENT_QUOTES);
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}
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else return '';
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}
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// The function encode Attribute returns the xml attribute $attribute="$value"
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function encodeAttribute( $attribute, $value )
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{
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return $attribute.'="'.htmlspecialchars($value, ENT_QUOTES).'" ';
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}
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// The function getChild returns the first child
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// exemple : getChild( "<table><tr>XXX</tr><tr>YYY</tr></table>", "tr" )
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// returns "<tr>XXX</tr>"
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function getChild( $document, $node )
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{
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$regex = '/<'.$node.'(\s+'.ATT_REG.'="'.VAL_REG.'")*';
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$regex.= '(\s*\/>|>.*<\/'.$node.'>)/U';
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if
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(
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preg_match( $regex, $document, $out )
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or
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preg_last_error() == PREG_NO_ERROR
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)
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{
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return $out[0];
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}
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else
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{
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die('getChild: error ['.preg_last_error().'] with preg_match function');
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}
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}
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// getChildren returns a list of the children identified by the $node
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// example :
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// getChild( "<table><tr>XXX</tr><tr>YYY</tr></table>", "tr" )
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// returns an array with :
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// $array[0] equals "<tr>XXX</tr>"
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// $array[1] equals "<tr>YYY</tr>"
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function getChildren( $document, $node )
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{
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$regex = '/<'.$node.'(\s+'.ATT_REG.'="'.VAL_REG.'")*';
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$regex.= '(\s*\/>|>.*<\/'.$node.'>)/U';
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if
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(
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preg_match_all( $regex, $document, $out )
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or
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preg_last_error() == PREG_NO_ERROR
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)
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{
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return $out[0];
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}
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else
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{
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die('getChild: error ['.preg_last_error().'] with preg_match_all function');
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}
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}
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// get_CodeXML places the content of a text file in a PHP variable and
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// return it. If the file can't be opened, returns false.
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function getXmlCode( $filename )
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{
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if (function_exists('ini_set'))
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{
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// limit must be growed with php5 and "big" listing file
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ini_set("pcre.backtrack_limit", pow(2, 32));
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}
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if (!fetchRemote($filename, $xml_content))
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{
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return false;
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}
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$xml_content = str_replace( "\n", '', $xml_content );
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$xml_content = str_replace( "\t", '', $xml_content );
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return $xml_content;
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}
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?>
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