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| -rw-r--r-- | include/functions_xml.inc.php | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/include/functions_xml.inc.php b/include/functions_xml.inc.php new file mode 100644 index 000000000..1919608ad --- /dev/null +++ b/include/functions_xml.inc.php @@ -0,0 +1,119 @@ +<?php +/*************************************************************************** + * functions_xml.inc.php * + * ------------------- * + * application : PhpWebGallery 1.3 * + * author : Pierrick LE GALL <pierrick@z0rglub.com> * + * * + *************************************************************************** + + *************************************************************************** + * * + * 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; * + * * + ***************************************************************************/ + +//------------------------------------------------------------------ constantes +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 + $content = preg_replace( '/<\/\w+>$/', '', $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 ) +{ + $regex = '/^<\w+[^>]*'.$attribute.'\s*=\s*"('.VAL_REG.')"/i'; + if ( preg_match( $regex, $element, $out ) ) return $out[1]; + else return ''; +} + +function deprecated_getAttribute( $element, $attribute ) +{ + // Retrieving string with tag name and all attributes + $regex = '/^<\w+( '.ATT_REG.'="'.VAL_REG.'")*/'; + preg_match( $regex, $element, $out ); + + // Splitting string for retrieving separately attributes + // and corresponding values + $regex = '/('.ATT_REG.')="('.VAL_REG.')"/'; + preg_match_all( $regex, $out[0], $out ); + + // Searching and returning the value of the requested attribute + for ( $i = 0; $i < sizeof( $out[0] ); $i++ ) + { + if ( $out[1][$i] == $attribute ) + { + return $out[2][$i]; + } + } + return ''; +} + +// 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'; + + preg_match( $regex, $document, $out ); + return $out[0]; +} + +// 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'; + + preg_match_all( $regex, $document, $out ); + return $out[0]; +} + +// 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 ) +{ + $file = fopen( $filename, 'r' ); + if ( !$file ) + { + return false; + } + while ( !feof( $file ) ) + { + $xml_content .= fgets( $file, 1024 ); + } + fclose( $file ); + $xml_content = str_replace( "\n", '', $xml_content ); + $xml_content = str_replace( "\t", '', $xml_content ); + + return $xml_content; +} +?>
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