internal void Write()
{
var localDiagnostics = new DiagnosticBag();
ArArchiveFile.UpdateLayout(localDiagnostics);
if (localDiagnostics.HasErrors)
{
throw new ObjectFileException("Invalid ar file", localDiagnostics);
}
// Copy for warnings
localDiagnostics.CopyTo(Diagnostics);
_startStreamOffset = Stream.Position;
Stream.Write(ArArchiveFile.Magic);
Span <byte> entryBuffer = stackalloc byte[ArFile.FileEntrySizeInBytes];
var headers = ArArchiveFile.LongNamesTable;
// Serialize all file entries
for (var i = 0; i < ArArchiveFile.Files.Count; i++)
{
var file = ArArchiveFile.Files[i];
// Serialize the headers at the correct position only if they are required
if (headers != null && headers.Index == i && headers.Size > 0)
{
WriteFileEntry(entryBuffer, headers);
if (Diagnostics.HasErrors)
{
break;
}
}
WriteFileEntry(entryBuffer, file);
if (Diagnostics.HasErrors)
{
break;
}
}
if (Diagnostics.HasErrors)
{
throw new ObjectFileException("Unexpected error while writing ar file", Diagnostics);
}
}
/// <summary>
/// Tries to reads an 'ar' archive file from the specified stream.
/// </summary>
/// <param name="stream">The stream to read 'ar' a archive file from.</param>
/// <param name="options">The options used for reading this 'ar' file.</param>
/// <param name="arArchiveFile">The output 'ar' archive file if the read was successful.</param>
/// <param name="diagnostics">The output associated diagnostics after reading the archive.</param>
/// <returns><c>true</c> An instance of <see cref="ArArchiveFile"/> if the read was successful.</returns>
public static bool TryRead(Stream stream, ArArchiveFileReaderOptions options, out ArArchiveFile arArchiveFile, out DiagnosticBag diagnostics)
{
if (stream == null)
{
throw new ArgumentNullException(nameof(stream));
}
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
arArchiveFile = new ArArchiveFile {
Kind = options.ArchiveKind
};
var reader = new ArArchiveFileReader(arArchiveFile, stream, options);
diagnostics = reader.Diagnostics;
reader.Read();
return(!reader.Diagnostics.HasErrors);
}
internal ArArchiveFileWriter(ArArchiveFile archiveFile, Stream stream) : base(stream)
{
ArArchiveFile = archiveFile;
IsReadOnly = false;
}
internal ArArchiveFileReader(ArArchiveFile arArchiveFile, Stream stream, ArArchiveFileReaderOptions options) : base(stream)
{
ArArchiveFile = arArchiveFile;
Options = options;
IsReadOnly = options.IsReadOnly;
}
/// <summary>
/// Tries to reads an 'ar' archive file from the specified stream.
/// </summary>
/// <param name="stream">The stream to read 'ar' a archive file from.</param>
/// <param name="archiveKind">The type of 'ar' archive to read.</param>
/// <param name="arArchiveFile">The output 'ar' archive file if the read was successful.</param>
/// <param name="diagnostics">The output associated diagnostics after reading the archive.</param>
/// <returns><c>true</c> An instance of <see cref="ArArchiveFile"/> if the read was successful.</returns>
public static bool TryRead(Stream stream, ArArchiveKind archiveKind, out ArArchiveFile arArchiveFile, out DiagnosticBag diagnostics)
{
return(TryRead(stream, new ArArchiveFileReaderOptions(archiveKind), out arArchiveFile, out diagnostics));
}
