config.inc.php
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<?php
/**
* $Id$
*
* KnowledgeTree Community Edition
* Document Management Made Simple
* Copyright (C) 2008 KnowledgeTree Inc.
* Portions copyright The Jam Warehouse Software (Pty) Limited
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License version 3 as published by the
* Free Software Foundation.
*
* 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, see <http://www.gnu.org/licenses/>.
*
* You can contact KnowledgeTree Inc., PO Box 7775 #87847, San Francisco,
* California 94120-7775, or email info@knowledgetree.com.
*
* The interactive user interfaces in modified source and object code versions
* of this program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU General Public License version 3.
*
* In accordance with Section 7(b) of the GNU General Public License version 3,
* these Appropriate Legal Notices must retain the display of the "Powered by
* KnowledgeTree" logo and retain the original copyright notice. If the display of the
* logo is not reasonably feasible for technical reasons, the Appropriate Legal Notices
* must display the words "Powered by KnowledgeTree" and retain the original
* copyright notice.
* Contributor( s): ______________________________________
*
*/
require_once("Config.php");
require_once(KT_LIB_DIR . '/util/ktutil.inc');
class KTConfig {
var $conf = array();
var $aSectionFile;
var $aFileRoot;
var $flat = array();
var $flatns = array();
// FIXME nbm: how do we cache errors here?
function loadCache($filename) {
$config_str = file_get_contents($filename);
$config_cache = unserialize($config_str);
$this->flat = $config_cache['flat'];
$this->flatns = $config_cache['flatns'];
$this->expanded = $config_cache['expanded'];
$this->expanding = $config_cache['expanding'];
/*
print "----- Me\n";
unset($this->aFileRoot);
unset($this->aSectionFile);
var_dump($this);
print "----- Cache\n";
var_dump($config_cache);
*/
return true;
}
function createCache($filename) {
$config_cache = array();
$config_cache['flat'] = $this->flat;
$config_cache['flatns'] = $this->flatns;
$config_cache['expanded'] = $this->expanded;
$config_cache['expanding'] = $this->expanding;
file_put_contents($filename, serialize($config_cache));
}
function loadFile($filename, $bDefault = false) {
$c = new Config;
$root =& $c->parseConfig($filename, "IniCommented");
if (PEAR::isError($root)) {
return $root;
}
$this->aFileRoot[$filename] =& $root;
$conf =& $root->toArray();
foreach ($conf["root"] as $seck => $secv) {
$aSectionFile[$seck] = $filename;
if (is_array($secv)) {
foreach ($secv as $k => $v) {
$this->setns($seck, $k, $v);
}
} else {
$this->setns(null, $seck, $secv);
}
}
$this->conf = kt_array_merge($this->conf, $conf["root"]);
}
function setns($seck, $k, $v, $bDefault = false) {
if ($v === "default") {
return;
} elseif ($v === "true") {
$v = true;
} elseif ($v === "false") {
$v = false;
}
$this->flat[$k] = $v;
if (!is_null($seck)) {
$this->flatns["$seck/$k"] = $v;
}
return;
}
function setdefaultns($seck, $k, $v) {
return $this->setns($seck, $k, $v, true);
}
var $expanded = array();
var $expanding = array();
function expand($val) {
if (strpos($val, '$') === false) {
return $val;
}
$v = $val;
while(($m = preg_match('/\$\{([^}]+)\}/', $v, $matches))) {
array_push($this->expanding, $matches[1]);
$r = $this->get($matches[1]);
if (PEAR::isError($r)) {
return $r;
}
$v = str_replace($matches[0], $r, $v);
$this->expanded[$matches[1]] = $r;
}
return $v;
}
function get($var, $oDefault = null) {
if (array_key_exists($var, $this->flatns)) {
return $this->expand($this->flatns[$var]);
}
if (array_key_exists($var, $this->flat)) {
return $this->expand($this->flat[$var]);
}
return $oDefault;
}
/**
* Return the location of the config.ini
*
* @return string
*/
static function getConfigFilename()
{
$configPath = file_get_contents(KT_DIR . '/config/config-path');
if (is_file($configPath))
{
return $configPath;
}
else
{
return KT_DIR . '/' . $configPath;
}
}
static function &getSingleton() {
static $singleton = null;
if (is_null($singleton))
{
$singleton = new KTConfig();
}
return $singleton;
}
}
?>