source: trunk/include/functions_xml.inc.php @ 486

Last change on this file since 486 was 375, checked in by gweltas, 20 years ago

New default template - User side

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 4.6 KB
Line 
1<?php
2// +-----------------------------------------------------------------------+
3// |                         functions_xml.inc.php                         |
4// +-----------------------------------------------------------------------+
5// | application   : PhpWebGallery <http://phpwebgallery.net>              |
6// | branch        : BSF (Best So Far)                                     |
7// +-----------------------------------------------------------------------+
8// | file          : $RCSfile$
9// | last update   : $Date: 2004-02-26 18:33:45 +0000 (Thu, 26 Feb 2004) $
10// | last modifier : $Author: gweltas $
11// | revision      : $Revision: 375 $
12// +-----------------------------------------------------------------------+
13// | This program is free software; you can redistribute it and/or modify  |
14// | it under the terms of the GNU General Public License as published by  |
15// | the Free Software Foundation                                          |
16// |                                                                       |
17// | This program is distributed in the hope that it will be useful, but   |
18// | WITHOUT ANY WARRANTY; without even the implied warranty of            |
19// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU      |
20// | General Public License for more details.                              |
21// |                                                                       |
22// | You should have received a copy of the GNU General Public License     |
23// | along with this program; if not, write to the Free Software           |
24// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
25// | USA.                                                                  |
26// +-----------------------------------------------------------------------+
27// xml tags
28define( 'ATT_REG', '\w+' );
29define( 'VAL_REG', '[^"]*' );
30
31//------------------------------------------------------------------- functions
32// getContent returns the content of a tag
33//
34// example : getContent( "<name>Joe</name>" ) returns "Joe"
35//
36// It also works with strings containing themself sub-tags :
37// <perso><name>Jean</name><firstname>Billie</fisrtname></perso> ->
38// <name>Jean</name><firstname>Billie</firstname>
39function getContent( $element )
40{
41  // deleting start of the tag
42  $content = preg_replace( '/^<[^>]+>/', '', $element );
43  // deleting end of the tag
44  $content = preg_replace( '/<\/[^>]+>$/', '', $content );
45  // replacing multiple instance of space character
46  $content = preg_replace( '/\s+/', ' ', $content );
47
48  return $content;
49}
50
51// The function get Attribute returns the value corresponding to the
52// attribute $attribute for the tag $element.
53function getAttribute( $element, $attribute )
54{
55  $regex = '/^<\w+[^>]*'.$attribute.'\s*=\s*"('.VAL_REG.')"/i';
56  if ( preg_match( $regex, $element, $out ) ) return $out[1];
57  else return '';
58}
59
60function deprecated_getAttribute( $element, $attribute )
61{
62  // Retrieving string with tag name and all attributes
63  $regex = '/^<\w+( '.ATT_REG.'="'.VAL_REG.'")*/';
64  preg_match( $regex, $element, $out );
65
66  // Splitting string for retrieving separately attributes
67  // and corresponding values
68  $regex = '/('.ATT_REG.')="('.VAL_REG.')"/';
69  preg_match_all( $regex, $out[0], $out );
70
71  // Searching and returning the value of the requested attribute
72  for ( $i = 0; $i < sizeof( $out[0] ); $i++ )
73  {
74    if ( $out[1][$i] == $attribute )
75    {
76      return $out[2][$i];
77    }
78  }
79  return '';
80}
81       
82// The function getChild returns the first child
83// exemple : getChild( "<table><tr>XXX</tr><tr>YYY</tr></table>", "tr" )
84//           returns "<tr>XXX</tr>"
85function getChild( $document, $node )
86{
87  $regex = '/<'.$node.'(\s+'.ATT_REG.'="'.VAL_REG.'")*';
88  $regex.= '(\s*\/>|>.*<\/'.$node.'>)/U';
89
90  preg_match( $regex, $document, $out );
91  return $out[0];
92}
93
94// getChildren returns a list of the children identified by the $node
95// example :
96//     getChild( "<table><tr>XXX</tr><tr>YYY</tr></table>", "tr" )
97//     returns an array with :
98//          $array[0] equals "<tr>XXX</tr>"
99//          $array[1] equals "<tr>YYY</tr>"
100function getChildren( $document, $node )
101{
102  $regex = '/<'.$node.'(\s+'.ATT_REG.'="'.VAL_REG.'")*';
103  $regex.= '(\s*\/>|>.*<\/'.$node.'>)/U';
104
105  preg_match_all( $regex, $document, $out );
106  return $out[0];
107}
108       
109// get_CodeXML places the content of a text file in a PHP variable and
110// return it. If the file can't be opened, returns false.
111function getXmlCode( $filename )
112{
113  $file = fopen( $filename, 'r' );
114  if ( !$file )
115  {
116    return false;
117  }
118  while ( !feof( $file ) )
119  {
120    $xml_content .= fgets( $file, 1024 );
121  }
122  fclose( $file );
123  $xml_content = str_replace( "\n", '', $xml_content );
124  $xml_content = str_replace( "\t", '', $xml_content );
125
126  return $xml_content;
127}
128?>
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