public function open($path, $mode)
{
$fullPath = $this->getFullPath($path);
$dir = $this->getDir($fullPath);
$node = $this->getNode($path);
if ($node && $node->type == Node::DIR) {
throw FileException::EISDIR();
}
switch ($mode) {
case 'r':
case 'r+':
case 'rb':
case 'r+b':
case 'rb+':
if (!$node) {
throw FileException::ENOENT();
}
break;
case 'x':
case 'x+':
case 'xb':
case 'x+b':
case 'xb+':
if ($node) {
throw FileException::ENOENT();
} elseif (!is_dir($dir)) {
throw FileException::ENOENT();
}
break;
case 'a':
case 'a+':
case 'ab':
case 'a+b':
case 'ab+':
case 'c':
case 'c+':
case 'cb':
case 'c+b':
case 'cb+':
case 'w':
case 'w+':
case 'wb':
case 'w+b':
case 'wb+':
if (!is_dir($dir)) {
throw FileException::ENOENT();
}
break;
default:
throw new \InvalidArgumentException("Unknown mode {$mode}");
}
$h = fopen($fullPath, $mode);
if (!$h) {
throw new \UnexpectedValueException();
}
$streamMode = Stream\Base::calculateStreamMode($mode);
return new Stream\LocalFile($path, $mode, $streamMode, $h);
}
protected function createStream(Node $node, $streamMode)
{
$memNode = $this->getInternalNode($node->path);
if (!$memNode && $streamMode & Stream::WRITE) {
$this->addNode($node);
$memNode = $this->getInternalNode($node->path);
}
if (!$memNode) {
return false;
}
if ($memNode->node->type == Node::DIR) {
throw FileException::EISDIR();
}
return new Stream\Memory($this, $node, $streamMode, $memNode->data);
}
