source: trunk/include/functions_xml.inc.php @ 2213

Last change on this file since 2213 was 2213, checked in by rub, 16 years ago

Resolved issue 0000712: PWG-ERROR-VERSION on remote synchronization

Merge branch-1_7 2211:2212 into BSF

  • Property svn:eol-style set to LF
  • Property svn:keywords set to Author Date Id Revision
File size: 4.8 KB
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1<?php
2// +-----------------------------------------------------------------------+
3// | PhpWebGallery - a PHP based picture gallery                           |
4// | Copyright (C) 2002-2003 Pierrick LE GALL - pierrick@phpwebgallery.net |
5// | Copyright (C) 2003-2008 PhpWebGallery Team - http://phpwebgallery.net |
6// +-----------------------------------------------------------------------+
7// | branch        : BSF (Best So Far)
8// | file          : $Id: functions_xml.inc.php 2213 2008-02-16 13:27:50Z rub $
9// | last update   : $Date: 2008-02-16 13:27:50 +0000 (Sat, 16 Feb 2008) $
10// | last modifier : $Author: rub $
11// | revision      : $Revision: 2213 $
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// +-----------------------------------------------------------------------+
27define( 'ATT_REG', '\w+' );
28define( 'VAL_REG', '[^"]*' );
29
30//------------------------------------------------------------------- functions
31// getContent returns the content of a tag
32//
33// example : getContent( "<name>Joe</name>" ) returns "Joe"
34//
35// It also works with strings containing themself sub-tags :
36// <perso><name>Jean</name><firstname>Billie</fisrtname></perso> ->
37// <name>Jean</name><firstname>Billie</firstname>
38function getContent( $element )
39{
40  // deleting start of the tag
41  $content = preg_replace( '/^<[^>]+>/', '', $element );
42  // deleting end of the tag
43  $content = preg_replace( '/<\/[^>]+>$/', '', $content );
44  // replacing multiple instance of space character
45  $content = preg_replace( '/\s+/', ' ', $content );
46
47  return $content;
48}
49
50// The function get Attribute returns the value corresponding to the
51// attribute $attribute for the tag $element.
52function getAttribute( $element, $attribute )
53{
54//  echo htmlentities($element).'<br /><br />';
55  $regex = '/^<\w+[^>]*\b'.$attribute.'\s*=\s*"('.VAL_REG.')"/i';
56  if ( preg_match( $regex, $element, $out ) ) 
57  {
58    return html_entity_decode($out[1], ENT_QUOTES);
59  }
60  else return '';
61}
62
63// The function encode Attribute returns the xml attribute $attribute="$value"
64function encodeAttribute( $attribute, $value )
65{
66  return $attribute.'="'.htmlspecialchars($value, ENT_QUOTES).'" ';
67}
68
69// The function getChild returns the first child
70// exemple : getChild( "<table><tr>XXX</tr><tr>YYY</tr></table>", "tr" )
71//           returns "<tr>XXX</tr>"
72function getChild( $document, $node )
73{
74  $regex = '/<'.$node.'(\s+'.ATT_REG.'="'.VAL_REG.'")*';
75  $regex.= '(\s*\/>|>.*<\/'.$node.'>)/U';
76
77  if
78    (
79      preg_match( $regex, $document, $out )
80      or
81      preg_last_error() == PREG_NO_ERROR
82    )
83  {
84    return $out[0];
85  }
86  else
87  {
88    die('getChild: error ['.preg_last_error().'] with preg_match function');
89  }
90}
91
92// getChildren returns a list of the children identified by the $node
93// example :
94//     getChild( "<table><tr>XXX</tr><tr>YYY</tr></table>", "tr" )
95//     returns an array with :
96//          $array[0] equals "<tr>XXX</tr>"
97//          $array[1] equals "<tr>YYY</tr>"
98function getChildren( $document, $node )
99{
100  $regex = '/<'.$node.'(\s+'.ATT_REG.'="'.VAL_REG.'")*';
101  $regex.= '(\s*\/>|>.*<\/'.$node.'>)/U';
102
103  if
104    (
105      preg_match_all( $regex, $document, $out )
106      or
107      preg_last_error() == PREG_NO_ERROR
108    )
109  {
110    return $out[0];
111  }
112  else
113  {
114    die('getChild: error ['.preg_last_error().'] with preg_match_all function');
115  }
116}
117
118// get_CodeXML places the content of a text file in a PHP variable and
119// return it. If the file can't be opened, returns false.
120function getXmlCode( $filename )
121{
122  if (function_exists('ini_set'))
123  {
124    // limit must be growed with php5 and "big" listing file
125    ini_set("pcre.backtrack_limit", pow(2, 32));
126  }
127
128  $file = fopen( $filename, 'r' );
129  if ( !$file )
130  {
131    return false;
132  }
133
134  $xml_content = '';
135  while ( !feof( $file ) )
136  {
137    $xml_content .= fgets( $file, 1024 );
138  }
139  fclose( $file );
140  $xml_content = str_replace( "\n", '', $xml_content );
141  $xml_content = str_replace( "\t", '', $xml_content );
142
143  return $xml_content;
144}
145?>
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