*** empty log message ***

git-svn-id: http://piwigo.org/svn/trunk@13 68402e56-0260-453c-a942-63ccdbb3a9ee

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;
+}
+?>
\ No newline at end of file