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<?php
// +-----------------------------------------------------------------------+
// | Piwigo - a PHP based photo gallery |
// +-----------------------------------------------------------------------+
// | Copyright(C) 2008-2012 Piwigo Team http://piwigo.org |
// | Copyright(C) 2003-2008 PhpWebGallery Team http://phpwebgallery.net |
// | Copyright(C) 2002-2003 Pierrick LE GALL http://le-gall.net/pierrick |
// +-----------------------------------------------------------------------+
// | This program is free software; you can redistribute it and/or modify |
// | it under the terms of the GNU General Public License as published by |
// | the Free Software Foundation |
// | |
// | This program is distributed in the hope that it will be useful, but |
// | WITHOUT ANY WARRANTY; without even the implied warranty of |
// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
// | General Public License for more details. |
// | |
// | You should have received a copy of the GNU General Public License |
// | along with this program; if not, write to the Free Software |
// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
// | USA. |
// +-----------------------------------------------------------------------+
define( 'ATT_REG', '\w+' );
define( 'VAL_REG', '[^"]*' );
//------------------------------------------------------------------- functions
// getContent returns the content of a tag
//
// example : getContent( "<name>Joe</name>" ) returns "Joe"
//
// It also works with strings containing themself sub-tags :
// <perso><name>Jean</name><firstname>Billie</fisrtname></perso> ->
// <name>Jean</name><firstname>Billie</firstname>
function getContent( $element )
{
// deleting start of the tag
$content = preg_replace( '/^<[^>]+>/', '', $element );
// deleting end of the tag
$content = preg_replace( '/<\/[^>]+>$/', '', $content );
// replacing multiple instance of space character
$content = preg_replace( '/\s+/', ' ', $content );
return $content;
}
// The function get Attribute returns the value corresponding to the
// attribute $attribute for the tag $element.
function getAttribute( $element, $attribute )
{
// echo htmlentities($element).'<br /><br />';
$regex = '/^<\w+[^>]*\b'.$attribute.'\s*=\s*"('.VAL_REG.')"/i';
if ( preg_match( $regex, $element, $out ) )
{
return html_entity_decode($out[1], ENT_QUOTES);
}
else return '';
}
// The function encode Attribute returns the xml attribute $attribute="$value"
function encodeAttribute( $attribute, $value )
{
return $attribute.'="'.htmlspecialchars($value, ENT_QUOTES).'" ';
}
// The function getChild returns the first child
// exemple : getChild( "<table><tr>XXX</tr><tr>YYY</tr></table>", "tr" )
// returns "<tr>XXX</tr>"
function getChild( $document, $node )
{
$regex = '/<'.$node.'(\s+'.ATT_REG.'="'.VAL_REG.'")*';
$regex.= '(\s*\/>|>.*<\/'.$node.'>)/U';
if
(
preg_match( $regex, $document, $out )
or
preg_last_error() == PREG_NO_ERROR
)
{
return $out[0];
}
else
{
die('getChild: error ['.preg_last_error().'] with preg_match function');
}
}
// getChildren returns a list of the children identified by the $node
// example :
// getChild( "<table><tr>XXX</tr><tr>YYY</tr></table>", "tr" )
// returns an array with :
// $array[0] equals "<tr>XXX</tr>"
// $array[1] equals "<tr>YYY</tr>"
function getChildren( $document, $node )
{
$regex = '/<'.$node.'(\s+'.ATT_REG.'="'.VAL_REG.'")*';
$regex.= '(\s*\/>|>.*<\/'.$node.'>)/U';
if
(
preg_match_all( $regex, $document, $out )
or
preg_last_error() == PREG_NO_ERROR
)
{
return $out[0];
}
else
{
die('getChild: error ['.preg_last_error().'] with preg_match_all function');
}
}
// get_CodeXML places the content of a text file in a PHP variable and
// return it. If the file can't be opened, returns false.
function getXmlCode( $filename )
{
if (function_exists('ini_set'))
{
// limit must be growed with php5 and "big" listing file
ini_set("pcre.backtrack_limit", pow(2, 31));
}
if (!fetchRemote($filename, $xml_content))
{
return false;
}
$xml_content = str_replace( "\n", '', $xml_content );
$xml_content = str_replace( "\t", '', $xml_content );
return $xml_content;
}
?>
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