/// <summary>
/// Returns the next file in a directory and updates the enumerator's position.
/// </summary>
/// <param name="position">The current position of the directory enumerator.
/// This position will be updated when the method returns.</param>
/// <param name="info">When this method returns, contains the file's metadata.</param>
/// <param name="name">When this method returns, contains the file's name (Not the full path).</param>
/// <returns><see langword="true"/> if the next file was successfully returned.
/// <see langword="false"/> if there are no more files to enumerate.</returns>
public bool FindNextFile(ref FindPosition position, out RomFileInfo info, out string name)
{
if (position.NextFile == -1)
{
info = default;
name = default;
return(false);
}
ref FileRomEntry entry = ref FileTable.GetValueReference(position.NextFile, out Span <byte> nameBytes);
public bool TryOpenFile(int fileId, out RomFileInfo fileInfo)
{
if (FileTable.TryGetValue(fileId, out RomKeyValuePair <FileRomEntry> keyValuePair))
{
fileInfo = keyValuePair.Value.Info;
return(true);
}
fileInfo = default;
return(false);
}
public bool TryOpenFile(string path, out RomFileInfo fileInfo)
{
FindPathRecursive(Util.GetUtf8Bytes(path), out RomEntryKey key);
if (FileTable.TryGetValue(ref key, out RomKeyValuePair <FileRomEntry> keyValuePair))
{
fileInfo = keyValuePair.Value.Info;
return(true);
}
fileInfo = default;
return(false);
}
/// <summary>
/// Adds a file to the RomFS.
/// </summary>
/// <param name="path">The full path in the RomFS</param>
/// <param name="file">An <see cref="IFile"/> of the file data to add.</param>
public void AddFile(string path, IFile file)
{
var fileInfo = new RomFileInfo();
long fileSize = file.GetSize();
fileInfo.Offset = CurrentOffset;
fileInfo.Length = fileSize;
IStorage fileStorage = file.AsStorage();
Sources.Add(fileStorage);
long newOffset = CurrentOffset + fileSize;
CurrentOffset = Util.AlignUp(newOffset, FileAlignment);
var padding = new NullStorage(CurrentOffset - newOffset);
Sources.Add(padding);
FileTable.AddFile(path, ref fileInfo);
}