128 lines
4.6 KiB
PHP
128 lines
4.6 KiB
PHP
<?php
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// +-----------------------------------------------------------------------+
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// | functions_xml.inc.php |
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// +-----------------------------------------------------------------------+
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// | application : PhpWebGallery <http://phpwebgallery.net> |
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// | branch : BSF (Best So Far) |
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// +-----------------------------------------------------------------------+
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// | file : $RCSfile$
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// | last update : $Date$
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// | last modifier : $Author$
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// | revision : $Revision$
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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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// xml tags
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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, $attribute )
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{
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$regex = '/^<\w+[^>]*'.$attribute.'\s*=\s*"('.VAL_REG.')"/i';
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if ( preg_match( $regex, $element, $out ) ) return $out[1];
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else return '';
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}
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function deprecated_getAttribute( $element, $attribute )
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{
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// Retrieving string with tag name and all attributes
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$regex = '/^<\w+( '.ATT_REG.'="'.VAL_REG.'")*/';
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preg_match( $regex, $element, $out );
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// Splitting string for retrieving separately attributes
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// and corresponding values
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$regex = '/('.ATT_REG.')="('.VAL_REG.')"/';
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preg_match_all( $regex, $out[0], $out );
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// Searching and returning the value of the requested attribute
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for ( $i = 0; $i < sizeof( $out[0] ); $i++ )
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{
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if ( $out[1][$i] == $attribute )
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{
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return $out[2][$i];
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}
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}
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return '';
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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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preg_match( $regex, $document, $out );
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return $out[0];
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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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preg_match_all( $regex, $document, $out );
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return $out[0];
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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( $filename )
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{
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$file = fopen( $filename, 'r' );
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if ( !$file )
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{
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return false;
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}
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while ( !feof( $file ) )
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{
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$xml_content .= fgets( $file, 1024 );
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}
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fclose( $file );
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$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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