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Add useIncludePath support to ClassLoader

pull/281/head
Jordi Boggiano 2012-02-09 15:42:47 +01:00
parent 247d19e2f8
commit 0e7c0d918f
1 changed files with 35 additions and 6 deletions
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41
src/Composer/Autoload/ClassLoader.php
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@ -26,6 +26,9 @@ namespace Composer\Autoload;
* // activate the autoloader
* $loader->register();
*
* // to enable searching the include path (eg. for PEAR packages)
* $loader->setUseIncludePath(true);
*
* In this example, if you try to use a class in the Symfony\Component
* namespace or one of its children (Symfony\Component\Console for instance),
* the autoloader will first look for the class under the component/
@ -41,6 +44,7 @@ class ClassLoader
{
private $prefixes = array();
private $fallbackDirs = array();
private $useIncludePath = false;
public function getPrefixes()
{
@ -74,6 +78,27 @@ class ClassLoader
}
}
/**
* Turns on searching the include for class files.
*
* @param Boolean $useIncludePath
*/
public function setUseIncludePath($useIncludePath)
{
$this->useIncludePath = $useIncludePath;
}
/**
* Can be used to check if the autoloader uses the include path to check
* for classes.
*
* @return Boolean
*/
public function getUseIncludePath()
{
return $this->useIncludePath;
}
/**
* Registers this instance as an autoloader.
*
@ -121,7 +146,7 @@ class ClassLoader
if (false !== $pos = strrpos($class, '\\')) {
// namespaced class name
$classPath = DIRECTORY_SEPARATOR . str_replace('\\', DIRECTORY_SEPARATOR, substr($class, 0, $pos));
$classPath = str_replace('\\', DIRECTORY_SEPARATOR, substr($class, 0, $pos)) . DIRECTORY_SEPARATOR;
$className = substr($class, $pos + 1);
} else {
// PEAR-like class name
@ -129,22 +154,26 @@ class ClassLoader
$className = $class;
}
$classPath .= DIRECTORY_SEPARATOR . str_replace('_', DIRECTORY_SEPARATOR, $className) . '.php';
$classPath .= str_replace('_', DIRECTORY_SEPARATOR, $className) . '.php';
foreach ($this->prefixes as $prefix => $dirs) {
foreach ($dirs as $dir) {
if (0 === strpos($class, $prefix)) {
if (file_exists($dir . $classPath)) {
return $dir . $classPath;
if (file_exists($dir . DIRECTORY_SEPARATOR . $classPath)) {
return $dir . DIRECTORY_SEPARATOR . $classPath;
}
}
}
}
foreach ($this->fallbackDirs as $dir) {
if (file_exists($dir . $classPath)) {
return $dir . $classPath;
if (file_exists($dir . DIRECTORY_SEPARATOR . $classPath)) {
return $dir . DIRECTORY_SEPARATOR . $classPath;
}
}
if ($this->useIncludePath && $file = stream_resolve_include_path($classPath)) {
return $file;
}
}
}