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<?php
/* OpenDb - Open Lending Database Project
Copyright (C) 2001,2002 by Jason Pell
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; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
//
// Note: Does not support DIFF for $lang_var['site']['?????'] = array(....)
//
include_once("./functions/widgets.php");
include_once("./functions/http.php");
function get_lang_vars_from_file($filename)
{
include($filename);
if(is_not_empty_array($LANG_VARS))
return $LANG_VARS;
else if(is_not_empty_array($lang_var))
return $lang_var;
else
return NULL;
}
function display_changes($prefix, $diff_array)
{
if(is_array($diff_array))
{
reset($diff_array);
while(list($key,$value) = each($diff_array))
{
if(is_array($value))
display_changes($prefix."['$key']", $value);
else
{
echo($prefix."['$key']");
echo(" = '".htmlspecialchars($value)."';\n");
}
}
}
}
session_start();
if(is_opendb_valid_session())
{
if(is_file_upload_enabled())
{
if (is_user_admin($HTTP_SESSION_VARS['user_id'], $HTTP_SESSION_VARS['user_type']))
{
if($HTTP_VARS['op'] == 'diff')
{
echo("<div class=\"footer\">[<a href=\"$PHP_SELF?type=$ADMIN_TYPE\">New Diff</a>]</div>");
if(is_uploaded_file($HTTP_POST_FILES['old_file']['tmp_name']))
{
$old_lang_vars = get_lang_vars_from_file($HTTP_POST_FILES['old_file']['tmp_name']);
if(is_uploaded_file($HTTP_POST_FILES['new_file']['tmp_name']))
$new_lang_vars = get_lang_vars_from_file($HTTP_POST_FILES['new_file']['tmp_name']);
else
$new_lang_vars = get_lang_vars_from_file("lang/".$_OPENDB_LANGUAGE.".inc.php");
if(is_array($old_lang_vars) && is_array($new_lang_vars))
{
$diffs['added'] = NULL;
$diffs['updated'] = NULL;
$diffs['deleted'] = NULL;
// TODO: Support complete nesting diff checking
while(list($key,$var) = each($old_lang_vars))
{
if(isset($new_lang_vars[$key])) // found
{
// nested array.
if(is_array($var))
{
if(is_array($new_lang_vars[$key]))
{
// Compare the indexes.
while(list($key2,$value) = each($old_lang_vars[$key]))
{
if(isset($new_lang_vars[$key][$key2]))
{
// We are not checking nested arrays from this point!!!
// Generally the $lang_var['site'], is the only
// structure that goes to this depth anyway.
if(!is_array($value))
{
if($value != $new_lang_vars[$key][$key2])
$diffs['updated'][$key][$key2] = $new_lang_vars[$key][$key2];
}
//else ignore as too much nesting.
}
else
{
$diffs['deleted'][$key][$key2] = $old_lang_vars[$key][$key2];
}
}
while(list($key2,$value) = each($new_lang_vars[$key]))
{
if(!isset($old_lang_vars[$key][$key2]))
{
$diffs['added'][$key][$key2] = $new_lang_vars[$key][$key2];
}
}
}
else // No longer in new file, so it is deleted.
$diffs['deleted'][$key] = $var;
}
else //normal variable.
{
if($var != $new_lang_vars[$key])
$diffs['updated'][$key] = $new_lang_vars[$key];
}
}
else
{
$diffs['deleted'][$key] = $var;
}
}
while(list($key,$var) = each($new_lang_vars))
{
if(!isset($old_lang_vars[$key]))
{
$diffs['added'][$key] = $new_lang_vars[$key];
}
}
if(is_array($diffs['added']))
{
ksort($diffs['added']);
echo("<h3>New variables</h3>");
echo("<pre>");
display_changes("\$LANG_VARS", $diffs['added']);
echo("</pre>");
}
if(is_array($diffs['updated']))
{
ksort($diffs['updated']);
echo("<h3>Updated variables</h3>");
echo("<pre>");
display_changes("\$LANG_VARS", $diffs['updated']);
echo("</pre>");
}
if(is_array($diffs['deleted']))
{
ksort($diffs['deleted']);
echo("<h3>Deleted variables</h3>");
echo("<pre>");
display_changes("\$LANG_VARS", $diffs['deleted']);
echo("</pre>");
}
}
else if(is_array($old_lang_vars))
echo("<div class=\"error\">New language file not specified</div>");
else if(is_array($new_lang_vars))
echo("<div class=\"error\">Old language file not specified</div>");
else
echo("<div class=\"error\">Old and New language files not specified</div>");
}
else
{
echo("<div class=\"error\">Old and/or New language files not specified</div>");
}
}
else
{
echo("\n<table border=0 frameborder=0 cellspacing=1>");
echo("\n<form name=\"main\" action=\"$PHP_SELF\" method=\"post\" enctype=\"multipart/form-data\">");
echo("\n<input type=\"hidden\" name=\"type\" value=\"$ADMIN_TYPE\">");
echo("\n<input type=\"hidden\" name=\"op\" value=\"diff\">");
echo(get_input_field("old_file", NULL, 'Old File', "upload(25,*,\"php\")"));
echo(get_input_field("new_file", NULL, 'New File*', "upload(25,*,\"php\")"));
echo("\n<tr><td colspan=2><input type=submit>");
echo("\n</td></tr>");
echo("\n</form>");
echo("\n</table>");
echo("<p><div class=\"footer\">* If you do not specify a 'New File', the ".$CONFIG_VARS['site.title']." ".$CONFIG_VARS['site.version']." <i>lang/".$_OPENDB_LANGUAGE.".inc.php</i> language file will be used.</div></p>");
}
}
else
{
echo _theme_error($LANG_VARS['not_authorized_to_page']);
}
}
else// File upload not supported on server
{
echo _theme_error($LANG_VARS['file_upload_not_available']);
}
}//if(is_opendb_valid_session())
?>
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