[phpwiki-checkins] SF.net SVN: phpwiki:[9896] trunk/lib/DbaListSet.php

[<var...@us...>]

Revision: 9896
          http://sourceforge.net/p/phpwiki/code/9896
Author:   vargenau
Date:     2016-07-21 09:56:45 +0000 (Thu, 21 Jul 2016)
Log Message:
-----------
Remove unused lib/DbaListSet.php -- previous comment was wrong

Removed Paths:
-------------
    trunk/lib/DbaListSet.php

Deleted: trunk/lib/DbaListSet.php
===================================================================
--- trunk/lib/DbaListSet.php	2016-07-21 09:51:17 UTC (rev 9895)
+++ trunk/lib/DbaListSet.php	2016-07-21 09:56:45 UTC (rev 9896)
@@ -1,155 +0,0 @@
-<?php
-
-class DbaListSet
-{
-    function DbaListSet(&$dbh)
-    {
-        $this->_dbh = &$dbh;
-    }
-
-    function create_sequence($seq)
-    {
-        $dbh = &$this->_dbh;
-
-        if (!$dbh->exists('max_key')) {
-            // echo "initializing DbaListSet";
-            // FIXME: check to see if it's really empty?
-            $dbh->insert('max_key', 0);
-        }
-
-        $key = "s" . urlencode($seq);
-        assert(intval($key) == 0 && !strstr($key, ':'));
-        if (!$dbh->exists($key))
-            $dbh->insert($key, "$key:$key:");
-    }
-
-    function delete_sequence($seq)
-    {
-        $key = "s" . urlencode($seq);
-        for ($i = $this->firstkey($seq); $i; $i = $next) {
-            $next = $this->next($i);
-            $this->delete($i);
-        }
-        $this->_dbh->delete($key);
-    }
-
-    function firstkey($seq)
-    {
-        $key = "s" . urlencode($seq);
-        list(, $next) = explode(':', $this->_dbh->fetch($key), 3);
-        return intval($next);
-    }
-
-    function lastkey($seq)
-    {
-        $key = "s" . urlencode($seq);
-        list($prev) = explode(':', $this->_dbh->fetch($key), 3);
-        return intval($prev);
-    }
-
-    function next($i)
-    {
-        list(, $next,) = explode(':', $this->_dbh->fetch(intval($i)), 3);
-        return intval($next);
-    }
-
-    function prev(&$i)
-    {
-        list($prev, ,) = explode(':', $this->_dbh->fetch(intval($i)), 3);
-        return intval($prev);
-    }
-
-    function exists($i)
-    {
-        $i = intval($i);
-        return $i && $this->_dbh->exists($i);
-    }
-
-    function fetch($i)
-    {
-        list(, , $data) = explode(':', $this->_dbh->fetch(intval($i)), 3);
-        return $data;
-    }
-
-    function replace($i, $data)
-    {
-        $dbh = &$this->_dbh;
-        list($prev, $next,) = explode(':', $dbh->fetch(intval($i)), 3);
-        $dbh->replace($i, "$prev:$next:$data");
-    }
-
-    function insert_before($i, $data)
-    {
-        assert(intval($i));
-        return $this->_insert_before_nc($i, $data);
-    }
-
-    function insert_after($i, $data)
-    {
-        assert(intval($i));
-        return $this->_insert_after_nc($i, $data);
-    }
-
-    function append($seq, $data)
-    {
-        $key = "s" . urlencode($seq);
-        $this->_insert_before_nc($key, $data);
-    }
-
-    function prepend($seq, $data)
-    {
-        $key = "s" . urlencode($seq);
-        $this->_insert_after_nc($key, $data);
-    }
-
-    function _insert_before_nc($i, &$data)
-    {
-        $newkey = $this->_new_key();
-        $old_prev = $this->_setprev($i, $newkey);
-        $this->_setnext($old_prev, $newkey);
-        $this->_dbh->insert($newkey, "$old_prev:$i:$data");
-        return $newkey;
-    }
-
-    function _insert_after_nc($i, &$data)
-    {
-        $newkey = $this->_new_key();
-        $old_next = $this->_setnext($i, $newkey);
-        $this->_setprev($old_next, $newkey);
-        $this->_dbh->insert($newkey, "$i:$old_next:$data");
-        return $newkey;
-    }
-
-    function delete($i)
-    {
-        $dbh = &$this->_dbh;
-        list($prev, $next) = explode(':', $dbh->fetch(intval($i)), 3);
-        $this->_setnext($prev, $next);
-        $this->_setprev($next, $prev);
-        $dbh->delete(intval($i));
-    }
-
-    function _new_key()
-    {
-        $dbh = &$this->_dbh;
-        $new_key = $dbh->fetch('max_key') + 1;
-        $dbh->replace('max_key', $new_key);
-        return $new_key;
-    }
-
-    function _setprev($i, $new_prev)
-    {
-        $dbh = &$this->_dbh;
-        list($old_prev, $next, $data) = explode(':', $dbh->fetch($i), 3);
-        $dbh->replace($i, "$new_prev:$next:$data");
-        return $old_prev;
-    }
-
-    function _setnext($i, $new_next)
-    {
-        $dbh = &$this->_dbh;
-        list($prev, $old_next, $data) = explode(':', $dbh->fetch($i), 3);
-        $dbh->replace($i, "$prev:$new_next:$data");
-        return $old_next;
-    }
-}

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