status_t
FileManager::LoadSourceFile(LocatableFile* file, SourceFile*& _sourceFile)
{
AutoLocker<FileManager> locker(this);
// get the path
BString path;
BString originalPath;
file->GetPath(originalPath);
if (!file->GetLocatedPath(path)) {
// see if this is a file we have a lazy mapping for.
if (!_LocateFileIfMapped(originalPath, file)
|| !file->GetLocatedPath(path)) {
return B_ENTRY_NOT_FOUND;
}
}
// we might already know the source file
SourceFileEntry* entry = _LookupSourceFile(originalPath);
if (entry != NULL) {
entry->file->AcquireReference();
_sourceFile = entry->file;
return B_OK;
}
// create the hash table entry
entry = new(std::nothrow) SourceFileEntry(this, originalPath);
if (entry == NULL)
return B_NO_MEMORY;
// load the file
SourceFile* sourceFile = new(std::nothrow) SourceFile(entry);
if (sourceFile == NULL) {
delete entry;
return B_NO_MEMORY;
}
ObjectDeleter<SourceFile> sourceFileDeleter(sourceFile);
entry->file = sourceFile;
status_t error = sourceFile->Init(path);
if (error != B_OK)
return error;
fSourceFiles->Insert(entry);
_sourceFile = sourceFileDeleter.Detach();
return B_OK;
}
