CVS: phpwiki/lib BlockParser.php,1.52,1.53 config.php,1.129,1.130

Update of /cvsroot/phpwiki/phpwiki/lib
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv4409

Modified Files:
        BlockParser.php config.php 
Log Message:
very important php5 fix! clone objects

Index: BlockParser.php
===================================================================
RCS file: /cvsroot/phpwiki/phpwiki/lib/BlockParser.php,v
retrieving revision 1.52
retrieving revision 1.53
diff -u -2 -b -p -d -r1.52 -r1.53
--- BlockParser.php     21 Oct 2004 19:52:10 -0000      1.52
+++ BlockParser.php     29 Jan 2005 20:36:44 -0000      1.53
@@ -202,5 +202,6 @@ class BlockParser_Input {
 
     function advance () {
-        $this->_atSpace = $this->_lines[$this->_pos++] === '';
+        $this->_atSpace = ($this->_lines[$this->_pos] === '');
+        $this->_pos++;
     }
     
@@ -348,5 +349,7 @@ class ParsedBlock extends Block_HtmlElem
 
     function _parse (&$input) {
-        for ($block = $this->_getBlock($input); $block; $block = $nextBlock) {
+        // php5 failed to advance the block. php5 copies objects by ref.
+        // nextBlock == block, both are the same objects. So we have to clone 
it.
+        for ($block = $this->_getBlock($input); $block; $block = 
clone($nextBlock)) {
             while ($nextBlock = $this->_getBlock($input)) {
                 // Attempt to merge current with following block.
@@ -393,10 +396,12 @@ class ParsedBlock extends Block_HtmlElem
         $tight_top = !$this->_atSpace;
         $re_set = &$this->_regexpset;
+        //FIXME: php5 fails to advance here!
         for ($m = $re_set->match($line); $m; $m = $re_set->nextMatch($line, 
$m)) {
-            $block = $this->_block_types[$m->regexp_ind];
+            $block = clone($this->_block_types[$m->regexp_ind]);
             if (DEBUG & _DEBUG_PARSER)
                 $input->_debug('>', get_class($block));
             
             if ($block->_match($input, $m)) {
+               //$block->_text = $line;
                 if (DEBUG & _DEBUG_PARSER)
                     $input->_debug('<', get_class($block));
@@ -480,5 +485,4 @@ class Block_blockquote extends BlockMark
 {
     var $_depth;
-
     var $_re = '\ +(?=\S)';
 
@@ -512,5 +516,4 @@ class Block_list extends BlockMarkup
                   | [*] (?!(?=\S)[^*]*(?<=\S)[*](?:\\s|[-)}>"\'\\/:.,;!?_*=]) )
                 )\ *(?=\S)';
-
     var $_content = array();
 
@@ -1015,4 +1018,5 @@ class Block_p extends BlockMarkup
     var $_tag = 'p';
     var $_re = '\S.*';
+    var $_text = '';
 
     function _match (&$input, $m) {
@@ -1067,7 +1071,4 @@ function TransformTextPre ($text, $marku
     $output = new WikiText($text);
 
-    /* if (0 and DEBUG and DEBUG & _DEBUG_VERBOSE and check_php_version(5)) {
-        echo "<pre>"; var_dump($output); echo "</pre>"; 
-    } */
     return $output;
 }
@@ -1089,4 +1090,7 @@ function TransformText ($text, $markup =
 
 // $Log$
+// Revision 1.53  2005/01/29 20:36:44  rurban
+// very important php5 fix! clone objects
+//
 // Revision 1.52  2004/10/21 19:52:10  rurban
 // Patch #994487: Allow callers to get the parse tree for a page (danfr)

Index: config.php
===================================================================
RCS file: /cvsroot/phpwiki/phpwiki/lib/config.php,v
retrieving revision 1.129
retrieving revision 1.130
diff -u -2 -b -p -d -r1.129 -r1.130
--- config.php  8 Jan 2005 22:53:50 -0000       1.129
+++ config.php  29 Jan 2005 20:36:44 -0000      1.130
@@ -58,8 +58,11 @@ set_magic_quotes_runtime(0);
 function browserAgent() {
     static $HTTP_USER_AGENT = false;
+    if ($HTTP_USER_AGENT !== false) return $HTTP_USER_AGENT;
     if (!$HTTP_USER_AGENT)
         $HTTP_USER_AGENT = @$GLOBALS['HTTP_SERVER_VARS']['HTTP_USER_AGENT'];
     if (!$HTTP_USER_AGENT) // CGI
-        $HTTP_USER_AGENT = $GLOBALS['HTTP_ENV_VARS']['HTTP_USER_AGENT'];
+        $HTTP_USER_AGENT = @$GLOBALS['HTTP_ENV_VARS']['HTTP_USER_AGENT'];
+    if (!$HTTP_USER_AGENT) // local CGI testing
+        $HTTP_USER_AGENT = 'none';
     return $HTTP_USER_AGENT;
 }
@@ -435,4 +438,19 @@ if (!function_exists('is_a')) {
 
 /** 
+ * safe php4 definition for clone.
+ * php5 copies objects by reference, but we need to clone "deep copy" in some 
places.
+ * (BlockParser)
+ * We need to eval it as workaround for the php5 parser.
+ * See http://www.acko.net/node/54
+ */
+if (!check_php_version(5)) {
+    eval('
+    function clone($object) {
+      return $object;
+    }
+    ');
+}
+
+/** 
  * wordwrap() might crash between 4.1.2 and php-4.3.0RC2, fixed in 4.3.0
  * See http://bugs.php.net/bug.php?id=20927 and 
@@ -507,4 +525,7 @@ function getUploadDataPath() {
 
 // $Log$
+// Revision 1.130  2005/01/29 20:36:44  rurban
+// very important php5 fix! clone objects
+//
 // Revision 1.129  2005/01/08 22:53:50  rurban
 // hardcode list of langs (file access is slow)



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