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<?php
/*
** $Id$
**
** Copyright (C) 1995-2007 by the ITools Authors.
** This file is part of ITools - the Internet Tools Library
**
** ITools 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 3 of the License, or
** (at your option) any later version.
**
** ITools 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, see <http://www.gnu.org/licenses/>.
*/
define('IT_CONVERT_DIR', "/tmp/it_syntaxconverter");
#$debug_itclassloader = true;
it_initialize();
function it_initialize()
{
static $it_initrecursion;
if (!$it_initrecursion++)
{
if ($_SERVER['REMOTE_ADDR']) # Web?
{
$GLOBALS['ULTRAHOME'] = dirname($_SERVER['DOCUMENT_ROOT']);
umask(0002); # Work around bugs.php.net/bug.php?id=28401
$_SERVER['HTTP_HOST'] = strtolower($_SERVER['HTTP_HOST']);
}
else # Shell
$GLOBALS['ULTRAHOME'] = dirname(dirname(preg_match('|^/|', $argv[0]) ? $argv[0] : getcwd() . '/' . $argv[0]));
$needsconvert = !@eval("return is_array(42=>69,);"); # Check if PHP is patched to support our syntax, see http://cschneid.com/php/
$include_path = ini_get('include_path');
$it_path = dirname(__FILE__);
if ($autoloader = function_exists('spl_autoload_register') && spl_autoload_register('it_classloader'))
{
ini_set('include_path', "$it_path:$include_path");
require_once("$it_path/auto_prepend.php");
if (file_exists("$it_path/auto_prepend_local.php"))
require_once("$it_path/auto_prepend_local.php");
}
else
{
ini_set('include_path', "$it_path/..:$include_path");
require("itools.lib"); # PHP 4 fallback
}
@set_error_handler("it_errorhandler", E_USER_ERROR | E_RECOVERABLE_ERROR | E_WARNING | E_USER_WARNING | E_NOTICE | E_USER_NOTICE);
ini_set('include_path', IT_CONVERT_DIR . ":$it_path:$include_path");
$user_includes = explode(":", $include_path);
# XXX Note: Comment this out if you want system wide include path converted and auto_prepend.php considered
$user_includes = array_diff($user_includes, array_diff(explode(":", get_cfg_var('include_path')), array(".")));
foreach (array_reverse($user_includes) as $include)
{
if ($include == ".")
$include = dirname($_SERVER['SCRIPT_FILENAME']);
if ($needsconvert)
it_convert($include);
if (file_exists($autoprepend = "$include/auto_prepend.php"))
{
if ($needsconvert && ($include != $it_path))
$autoprepend = it_convert($autoprepend);
require_once($autoprepend);
if (file_exists("$include/auto_prepend_local.php"))
require_once("$include/auto_prepend_local.php");
}
}
if (!isset($GLOBALS['it_html']))
new it_html;
if ($needsconvert)
{
# Convert syntax and start
$converted = it_convert($_SERVER['SCRIPT_FILENAME']);
/* XXX Disabled as DB not always there
if (!$autoloader) # PHP 4 fallback
it_dbi::createclasses();
*/
require($converted);
exit;
}
}
}
function it_convert($source)
{
if (is_dir($source) && !is_link($source))
{
foreach (glob("$source/*") as $file)
it_convert($file);
}
else if (is_readable($source))
{
$converted = IT_CONVERT_DIR . "/$source";
if (@filemtime($converted) < filemtime($source))
{
$converter = new it_syntaxconverter(file_get_contents($source));
$parts = explode("/", dirname($converted));
for ($i = 1; $i <= count($parts); $i++)
@mkdir(join("/", array_slice($parts, 0, $i)));
if ($output = fopen($converted, "w"))
{
fputs($output, $converter->output);
fclose($output);
chmod($converted, 0666);
}
clearstatcache();
}
}
return $converted;
}
function it_classloader($classname)
{
if ($file = @fopen("$classname.class", "r", true)) # Check for file in include path, do not use @include to get failures on inheritance
{
include("$classname.class");
fclose($file);
}
else
it_dbi::createclass($classname);
EDC('ultraclassloader', $classname, it_debug::backtrace());
}
function it_errorhandler($errno, $errstr, $errfile, $errline, $errcontext)
{
if ($result = error_reporting() & $errno) # Is this error enabled?
{
static $it_errnames = array();
if (!$it_errnames)
{
foreach (get_defined_constants() as $name => $no)
{
if (preg_match('/^E_/', $name))
$it_errnames[$no] = "$name: ";
}
}
$error = array(
'title' => $it_errnames[$errno] . $errstr,
'locals' => $errcontext,
'file' => $errfile,
'line' => $errline,
'backtraceskip' => 1,
);
switch ($errno)
{
case E_USER_ERROR: case E_RECOVERABLE_ERROR:
it::fatal($error);
break;
default:
it::error($error);
break;
}
}
return $result; # True means do not execute standard PHP error handler
}
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