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281 lines (260 loc) · 8.72 KB
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<?php
/**
* Load all internal libraries and setup class autoloader
*
* @author Andreas Gohr <andi@splitbrain.org>
*/
namespace dokuwiki;
use dokuwiki\Extension\PluginController;
return new class {
/** @var string[] Common libraries that are always loaded */
protected array $commonLibs = [
'defines.php',
'actions.php',
'changelog.php',
'common.php',
'confutils.php',
'pluginutils.php',
'form.php',
'fulltext.php',
'html.php',
'httputils.php',
'indexer.php',
'infoutils.php',
'io.php',
'mail.php',
'media.php',
'pageutils.php',
'parserutils.php',
'search.php',
'template.php',
'toolbar.php',
'utf8.php',
'auth.php',
'compatibility.php',
'deprecated.php',
'legacy.php',
];
/** @var string[] Classname to file mappings */
protected array $fixedClassNames = [
'Diff' => 'DifferenceEngine.php',
'UnifiedDiffFormatter' => 'DifferenceEngine.php',
'TableDiffFormatter' => 'DifferenceEngine.php',
'cache' => 'cache.php',
'cache_parser' => 'cache.php',
'cache_instructions' => 'cache.php',
'cache_renderer' => 'cache.php',
'JpegMeta' => 'JpegMeta.php',
'FeedParser' => 'FeedParser.php',
'SafeFN' => 'SafeFN.class.php',
'Mailer' => 'Mailer.class.php',
'Doku_Handler' => 'parser/handler.php',
'Doku_Renderer' => 'parser/renderer.php',
'Doku_Renderer_xhtml' => 'parser/xhtml.php',
'Doku_Renderer_code' => 'parser/code.php',
'Doku_Renderer_xhtmlsummary' => 'parser/xhtmlsummary.php',
'Doku_Renderer_metadata' => 'parser/metadata.php'
];
/**
* Load common libs and register autoloader
*/
public function __construct()
{
require_once(DOKU_INC . 'vendor/autoload.php');
spl_autoload_register([$this, 'autoload']);
$this->loadCommonLibs();
}
/**
* require all the common libraries
*
* @return true
*/
public function loadCommonLibs()
{
foreach ($this->commonLibs as $lib) {
require_once(DOKU_INC . 'inc/' . $lib);
}
return true;
}
/**
* spl_autoload_register callback
*
* @param string $className
* @return bool
*/
public function autoload($className)
{
// namespace to directory conversion
$classPath = str_replace('\\', '/', $className);
return $this->autoloadFixedClass($className)
|| $this->autoloadTestMockClass($classPath)
|| $this->autoloadTestClass($classPath)
|| $this->autoloadPluginClass($classPath)
|| $this->autoloadTemplateClass($classPath)
|| $this->autoloadCoreClass($classPath)
|| $this->autoloadNamedPluginClass($className);
}
/**
* Check if the class is one of the fixed names
*
* @param string $className
* @return bool true if the class was loaded, false otherwise
*/
protected function autoloadFixedClass($className)
{
if (isset($this->fixedClassNames[$className])) {
require($this->fixedClassNames[$className]);
return true;
}
return false;
}
/**
* Check if the class is a test mock class
*
* @param string $classPath The class name using forward slashes as namespace separators
* @return bool true if the class was loaded, false otherwise
*/
protected function autoloadTestMockClass($classPath)
{
if ($this->prefixStrip($classPath, 'dokuwiki/test/mock/')) {
$file = DOKU_INC . '_test/mock/' . $classPath . '.php';
if (file_exists($file)) {
require $file;
return true;
}
}
return false;
}
/**
* Check if the class is a test mock class
*
* @param string $classPath The class name using forward slashes as namespace separators
* @return bool true if the class was loaded, false otherwise
*/
protected function autoloadTestClass($classPath)
{
if ($this->prefixStrip($classPath, 'dokuwiki/test/')) {
$file = DOKU_INC . '_test/tests/' . $classPath . '.php';
if (file_exists($file)) {
require $file;
return true;
}
}
return false;
}
/**
* Check if the class is a namespaced plugin class
*
* @param string $classPath The class name using forward slashes as namespace separators
* @return bool true if the class was loaded, false otherwise
*/
protected function autoloadPluginClass($classPath)
{
global $plugin_controller;
if ($this->prefixStrip($classPath, 'dokuwiki/plugin/')) {
$classPath = str_replace('/test/', '/_test/', $classPath); // no underscore in test namespace
$file = DOKU_PLUGIN . $classPath . '.php';
if (file_exists($file)) {
$plugin = substr($classPath, 0, strpos($classPath, '/'));
// don't load disabled plugin classes (only if plugin controller is available)
if (!defined('DOKU_UNITTEST') && $plugin_controller && plugin_isdisabled($plugin)) return false;
try {
require $file;
} catch (\Throwable $e) {
ErrorHandler::showExceptionMsg($e, "Error loading plugin $plugin");
}
return true;
}
}
return false;
}
/**
* Check if the class is a namespaced template class
*
* @param string $classPath The class name using forward slashes as namespace separators
* @return bool true if the class was loaded, false otherwise
*/
protected function autoloadTemplateClass($classPath)
{
// template namespace
if ($this->prefixStrip($classPath, 'dokuwiki/template/')) {
$classPath = str_replace('/test/', '/_test/', $classPath); // no underscore in test namespace
$file = DOKU_INC . 'lib/tpl/' . $classPath . '.php';
if (file_exists($file)) {
$template = substr($classPath, 0, strpos($classPath, '/'));
try {
require $file;
} catch (\Throwable $e) {
ErrorHandler::showExceptionMsg($e, "Error loading template $template");
}
return true;
}
}
return false;
}
/**
* Check if the class is a namespaced DokuWiki core class
*
* @param string $classPath The class name using forward slashes as namespace separators
* @return bool true if the class was loaded, false otherwise
*/
protected function autoloadCoreClass($classPath)
{
if ($this->prefixStrip($classPath, 'dokuwiki/')) {
$file = DOKU_INC . 'inc/' . $classPath . '.php';
if (file_exists($file)) {
require $file;
return true;
}
}
return false;
}
/**
* Check if the class is a un-namespaced plugin class following our naming scheme
*
* @param string $className
* @return bool true if the class was loaded, false otherwise
*/
protected function autoloadNamedPluginClass($className)
{
global $plugin_controller;
if (
preg_match(
'/^(' . implode('|', PluginController::PLUGIN_TYPES) . ')_plugin_(' .
DOKU_PLUGIN_NAME_REGEX .
')(?:_([^_]+))?$/',
$className,
$m
)
) {
$c = ((count($m) === 4) ? "/{$m[3]}" : '');
$plg = DOKU_PLUGIN . "{$m[2]}/{$m[1]}$c.php";
if (file_exists($plg)) {
// don't load disabled plugin classes (only if plugin controller is available)
if (!defined('DOKU_UNITTEST') && $plugin_controller && plugin_isdisabled($m[2])) return false;
try {
require $plg;
} catch (\Throwable $e) {
ErrorHandler::showExceptionMsg($e, "Error loading plugin {$m[2]}");
}
}
return true;
}
return false;
}
/**
* Check if the given string starts with the given prefix and strip it
*
* @param string $string
* @param string $prefix
* @return bool true if the prefix was found and stripped, false otherwise
*/
protected function prefixStrip(&$string, $prefix)
{
if (str_starts_with($string, $prefix)) {
$string = substr($string, strlen($prefix));
return true;
}
return false;
}
};