/**
* Returns a file instance based on the specified path. The path can be in the following formats:
* - Scheme path: local:/mydir/myfile
* - Encoded path: {0}/myfile
* - Default scheme path: /myfile
*
* @param string $path Path to get the file system instance for.
* @param string $childPath Path to the child of specified parent path.
* @return MOXMAN_Vfs_IFile File instance from the specified path.
*/
public function getFile($path, $childPath = "")
{
// Verfiy that the path doesn't have any abnormalities
$path = MOXMAN_Util_Sanitize::path($path);
$childPath = MOXMAN_Util_Sanitize::childPath($childPath);
if ($this->fileSystems) {
$this->createFileSystems();
// Is a http URL then ask each file systems URL resolver for a file
if (preg_match('/^https?:\\/\\//', $path)) {
$file = null;
foreach ($this->fileSystems as $fileSystem) {
$urlResolver = $fileSystem->getFileUrlResolver();
if ($urlResolver) {
$file = $urlResolver->getFile($path);
if ($file) {
break;
}
}
}
return $file;
}
if ($childPath) {
$path = MOXMAN_Util_PathUtils::combine($path, $childPath);
}
// Decode {num} with root path
$matches = array();
if (preg_match('/^\\{([0-9]+)\\}/', $path, $matches)) {
$rootIdx = intval($matches[1]);
if (!isset($this->fileSystems[$rootIdx])) {
throw new MOXMAN_Exception("Could not decode {" . $rootIdx . "} with a root path. Index not found.");
}
$path = str_replace("{" . $rootIdx . "}", $this->fileSystems[$rootIdx]->getRootPath(), $path);
}
// Parse scheme like db, zip,
$matches = array();
$scheme = "";
if (preg_match('/^([a-z0-9]+):\\/\\/(.+)$/', $path, $matches)) {
$scheme = $matches[1];
//$pathPart = $matches[2];
//$pathPart = substr($pathPart, 0, 1) !== "/" ? "/" . $pathPart : $pathPart;
}
// Get file from one of the file systems
foreach ($this->fileSystems as $fileSystem) {
if (!$scheme || $fileSystem->getScheme() === $scheme) {
// Check if it matches the absolute root
if (strpos($path, $fileSystem->getRootPath()) === 0) {
$file = $fileSystem->getFile($path);
return $file;
}
// Check if path matches the public root
$rootPrefix = $fileSystem->getRootName();
if ($rootPrefix !== '/') {
$rootPrefix = '/' . $rootPrefix;
}
if ($path === $rootPrefix) {
return $fileSystem->getRootFile();
}
if ($rootPrefix !== '/') {
$rootPrefix .= '/';
}
// Check if path matches the beginning of public root
if (strpos($path, $rootPrefix) === 0) {
$filePath = MOXMAN_Util_PathUtils::combine($fileSystem->getRootPath(), substr($path, strlen($rootPrefix)));
$file = $fileSystem->getFile($filePath);
return $file;
}
}
}
}
// Could not resolve path no file system returned a file
throw new MOXMAN_Exception("Could not resolve path: " . $path);
}
