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Account for composer including the PHPCS autoloader a second time (re…
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…f #1259)
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@gsherwood
gsherwood committed Jan 25, 2017
1 parent 890832b commit a883210
Showing 1 changed file with 173 additions and 171 deletions.
344 changes: 173 additions & 171 deletions autoload.php
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namespace PHP_CodeSniffer;

class Autoload
{

/**
* The composer autoloader.
*
* @var Composer\Autoload\ClassLoader
*/
private static $composerAutoloader = null;

/**
* A mapping of file names to class names.
*
* @var array<string, string>
*/
private static $loadedClasses = array();

/**
* A mapping of class names to file names.
*
* @var array<string, string>
*/
private static $loadedFiles = array();


/**
* Loads a class.
*
* This method only loads classes that exist in the PHP_CodeSniffer namespace.
* All other classes are ignored and loaded by subsequent autoloaders.
*
* @param string $class The name of the class to load.
*
* @return bool
*/
public static function load($class)
if (class_exists('PHP_CodeSniffer\Autoload', false) === false) {
class Autoload
{
// Include the composer autoloader if there is one, but unregister it
// as we need to include all files so we can figure out what
// the class/interface/trait name is.
if (self::$composerAutoloader === null) {
if (strpos(__DIR__, 'phar://') !== 0
&& file_exists(__DIR__.'/../../autoload.php') === true
) {
self::$composerAutoloader = include_once __DIR__.'/../../autoload.php';
self::$composerAutoloader->unregister();
} else {
self::$composerAutoloader = false;

/**
* The composer autoloader.
*
* @var Composer\Autoload\ClassLoader
*/
private static $composerAutoloader = null;

/**
* A mapping of file names to class names.
*
* @var array<string, string>
*/
private static $loadedClasses = array();

/**
* A mapping of class names to file names.
*
* @var array<string, string>
*/
private static $loadedFiles = array();


/**
* Loads a class.
*
* This method only loads classes that exist in the PHP_CodeSniffer namespace.
* All other classes are ignored and loaded by subsequent autoloaders.
*
* @param string $class The name of the class to load.
*
* @return bool
*/
public static function load($class)
{
// Include the composer autoloader if there is one, but unregister it
// as we need to include all files so we can figure out what
// the class/interface/trait name is.
if (self::$composerAutoloader === null) {
if (strpos(__DIR__, 'phar://') !== 0
&& file_exists(__DIR__.'/../../autoload.php') === true
) {
self::$composerAutoloader = include_once __DIR__.'/../../autoload.php';
self::$composerAutoloader->unregister();
} else {
self::$composerAutoloader = false;
}
}
}

$ds = DIRECTORY_SEPARATOR;
$path = false;
$ds = DIRECTORY_SEPARATOR;
$path = false;

if (substr($class, 0, 16) === 'PHP_CodeSniffer\\') {
if (substr($class, 0, 22) === 'PHP_CodeSniffer\Tests\\') {
$isInstalled = !is_dir(__DIR__.$ds.'tests');
if ($isInstalled === false) {
$path = __DIR__.$ds.'tests';
} else {
$path = '@test_dir@'.$ds.'PHP_CodeSniffer'.$ds.'CodeSniffer';
}

if (substr($class, 0, 16) === 'PHP_CodeSniffer\\') {
if (substr($class, 0, 22) === 'PHP_CodeSniffer\Tests\\') {
$isInstalled = !is_dir(__DIR__.$ds.'tests');
if ($isInstalled === false) {
$path = __DIR__.$ds.'tests';
$path .= $ds.substr(str_replace('\\', $ds, $class), 22).'.php';
} else {
$path = '@test_dir@'.$ds.'PHP_CodeSniffer'.$ds.'CodeSniffer';
$path = __DIR__.$ds.'src'.$ds.substr(str_replace('\\', $ds, $class), 16).'.php';
}

$path .= $ds.substr(str_replace('\\', $ds, $class), 22).'.php';
} else {
$path = __DIR__.$ds.'src'.$ds.substr(str_replace('\\', $ds, $class), 16).'.php';
}
}

// See if the composer autoloader knows where the class is.
if ($path === false && self::$composerAutoloader !== false) {
$path = self::$composerAutoloader->findFile($class);
}
// See if the composer autoloader knows where the class is.
if ($path === false && self::$composerAutoloader !== false) {
$path = self::$composerAutoloader->findFile($class);
}

if ($path !== false && is_file($path) === true) {
self::loadFile($path);
return true;
}
if ($path !== false && is_file($path) === true) {
self::loadFile($path);
return true;
}

return false;
return false;

}//end load()
}//end load()


/**
* Includes a file and tracks what class or interface was loaded as a result.
*
* @param string $path The path of the file to load.
*
* @return string The fully qualified name of the class in the loaded file.
*/
public static function loadFile($path)
{
if (strpos(__DIR__, 'phar://') !== 0) {
$path = realpath($path);
if ($path === false) {
return false;
/**
* Includes a file and tracks what class or interface was loaded as a result.
*
* @param string $path The path of the file to load.
*
* @return string The fully qualified name of the class in the loaded file.
*/
public static function loadFile($path)
{
if (strpos(__DIR__, 'phar://') !== 0) {
$path = realpath($path);
if ($path === false) {
return false;
}
}
}

if (isset(self::$loadedClasses[$path]) === true) {
return self::$loadedClasses[$path];
}
if (isset(self::$loadedClasses[$path]) === true) {
return self::$loadedClasses[$path];
}

$classes = get_declared_classes();
$interfaces = get_declared_interfaces();
$traits = get_declared_traits();
$classes = get_declared_classes();
$interfaces = get_declared_interfaces();
$traits = get_declared_traits();

include $path;
include $path;

$className = null;
$newClasses = array_diff(get_declared_classes(), $classes);
foreach ($newClasses as $name) {
if (isset(self::$loadedFiles[$name]) === false) {
$className = $name;
break;
}
}

if ($className === null) {
$newClasses = array_reverse(array_diff(get_declared_traits(), $classes));
$className = null;
$newClasses = array_diff(get_declared_classes(), $classes);
foreach ($newClasses as $name) {
if (isset(self::$loadedFiles[$name]) === false) {
$className = $name;
break;
}
}
}

if ($className === null) {
$newClasses = array_reverse(array_diff(get_declared_interfaces(), $classes));
foreach ($newClasses as $name) {
if (isset(self::$loadedFiles[$name]) === false) {
$className = $name;
break;
if ($className === null) {
$newClasses = array_reverse(array_diff(get_declared_traits(), $classes));
foreach ($newClasses as $name) {
if (isset(self::$loadedFiles[$name]) === false) {
$className = $name;
break;
}
}
}
}

self::$loadedClasses[$path] = $className;
self::$loadedFiles[$className] = $path;
return self::$loadedClasses[$path];

}//end loadFile()

if ($className === null) {
$newClasses = array_reverse(array_diff(get_declared_interfaces(), $classes));
foreach ($newClasses as $name) {
if (isset(self::$loadedFiles[$name]) === false) {
$className = $name;
break;
}
}
}

/**
* Gets the class name for the given file path.
*
* @param string $path The name of the file.
*
* @throws \Exception If the file path has not been loaded.
* @return string
*/
public static function getLoadedClassName($path)
{
if (isset(self::$loadedClasses[$path]) === false) {
throw new \Exception("Cannot get class name for $path; file has not been included");
}

return self::$loadedClasses[$path];
self::$loadedClasses[$path] = $className;
self::$loadedFiles[$className] = $path;
return self::$loadedClasses[$path];

}//end getLoadedClassName()
}//end loadFile()


/**
* Gets the class name for the given file path.
*
* @param string $path The name of the file.
*
* @throws \Exception If the file path has not been loaded.
* @return string
*/
public static function getLoadedClassName($path)
{
if (isset(self::$loadedClasses[$path]) === false) {
throw new \Exception("Cannot get class name for $path; file has not been included");
}

return self::$loadedClasses[$path];

/**
* Gets the file path for the given class name.
*
* @param string $class The name of the class.
*
* @throws \Exception If the class name has not been loaded
* @return string
*/
public static function getLoadedFileName($class)
{
if (isset(self::$loadedFiles[$class]) === false) {
throw new \Exception("Cannot get file name for $class; class has not been included");
}
}//end getLoadedClassName()


/**
* Gets the file path for the given class name.
*
* @param string $class The name of the class.
*
* @throws \Exception If the class name has not been loaded
* @return string
*/
public static function getLoadedFileName($class)
{
if (isset(self::$loadedFiles[$class]) === false) {
throw new \Exception("Cannot get file name for $class; class has not been included");
}

return self::$loadedFiles[$class];
return self::$loadedFiles[$class];

}//end getLoadedFileName()
}//end getLoadedFileName()


/**
* Gets the mapping of file names to class names.
*
* @return array<string, string>
*/
public static function getLoadedClasses()
{
return self::$loadedClasses;
/**
* Gets the mapping of file names to class names.
*
* @return array<string, string>
*/
public static function getLoadedClasses()
{
return self::$loadedClasses;

}//end getLoadedClasses()
}//end getLoadedClasses()


/**
* Gets the mapping of class names to file names.
*
* @return array<string, string>
*/
public static function getLoadedFiles()
{
return self::$loadedFiles;
/**
* Gets the mapping of class names to file names.
*
* @return array<string, string>
*/
public static function getLoadedFiles()
{
return self::$loadedFiles;

}//end getLoadedFiles()
}//end getLoadedFiles()


}//end class
}//end class

// Register the autoloader before any existing autoloaders to ensure
// it gets a chance to hear about every autoload request, and record
// the file and class name for it.
spl_autoload_register(__NAMESPACE__.'\Autoload::load', true, true);
// Register the autoloader before any existing autoloaders to ensure
// it gets a chance to hear about every autoload request, and record
// the file and class name for it.
spl_autoload_register(__NAMESPACE__.'\Autoload::load', true, true);
}//end if

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