/// <summary>
/// Initializes a new instance of the <see cref="SerializedObjectReader"/> class based on the specified input stream, output stream and configuration.
/// </summary>
/// <param name="input">The input stream.</param>
/// <param name="output">The output stream.</param>
/// <param name="configuration">The configuration parameters to use for the reader.</param>
/// <param name="label">The memory allocator label to use.</param>
/// <param name="leaveInputOpen">True to leave the input stream open after the reader object is disposed; otherwise, false.</param>
/// <param name="leaveOutputOpen">True to leave the output stream open after the reader object is disposed; otherwise, false.</param>
/// <exception cref="ArgumentException">The configuration is invalid.</exception>
public SerializedObjectReader(Stream input, PackedBinaryStream output, SerializedObjectReaderConfiguration configuration, Allocator label = SerializationConfiguration.DefaultAllocatorLabel, bool leaveInputOpen = true, bool leaveOutputOpen = true)
{
if (configuration.BlockBufferSize < 16)
{
throw new ArgumentException("BlockBufferSize < 16");
}
if (configuration.TokenBufferSize < 16)
{
throw new ArgumentException("TokenBufferSize < 16");
}
m_LeaveOutputOpen = leaveOutputOpen;
m_StreamBlockReader = configuration.UseReadAsync
? (IUnsafeStreamBlockReader) new AsyncBlockReader(input, configuration.BlockBufferSize, leaveInputOpen)
: (IUnsafeStreamBlockReader) new SyncBlockReader(input, configuration.BlockBufferSize, leaveInputOpen);
m_Tokenizer = new JsonTokenizer(configuration.TokenBufferSize, configuration.ValidationType, label);
m_Parser = new NodeParser(m_Tokenizer, configuration.NodeBufferSize, label);
m_BinaryStream = output;
m_BinaryWriter = new PackedBinaryWriter(m_BinaryStream, m_Tokenizer, label);
m_InitialBlock = default;
m_CurrentBlock = default;
}
static Stream OpenFileStreamWithConfiguration(string path, SerializedObjectReaderConfiguration configuration)
{
if (configuration.BlockBufferSize < 16)
{
throw new ArgumentException("SerializedObjectReaderConfiguration.BlockBufferSize < 16");
}
return(new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.Read, configuration.BlockBufferSize, configuration.UseReadAsync ? FileOptions.Asynchronous : FileOptions.None));
}
static PackedBinaryStream OpenBinaryStreamWithConfiguration(SerializedObjectReaderConfiguration configuration, Allocator label)
{
if (configuration.TokenBufferSize < 16)
{
throw new ArgumentException("TokenBufferSize < 16");
}
if (configuration.OutputBufferSize < 16)
{
throw new ArgumentException("OutputBufferSize < 16");
}
return(new PackedBinaryStream(configuration.TokenBufferSize, configuration.OutputBufferSize, label));
}
static TextReader CreateTextReader(Stream stream, SerializedObjectReaderConfiguration configuration, bool leaveInputOpen)
{
return(new StreamReader(stream, Encoding.UTF8, detectEncodingFromByteOrderMarks: false, bufferSize: configuration.BlockBufferSize, leaveInputOpen));
}
internal SerializedObjectReader(UnsafeBuffer <char> buffer, PackedBinaryStream output, SerializedObjectReaderConfiguration configuration, Allocator label = SerializationConfiguration.DefaultAllocatorLabel)
{
if (configuration.TokenBufferSize < 16)
{
throw new ArgumentException("TokenBufferSize < 16");
}
if (IsEmpty(buffer))
{
throw new ArgumentException("Input stream is null or empty.");
}
m_LeaveOutputOpen = false;
m_StreamBlockReader = null;
m_Tokenizer = new JsonTokenizer(configuration.TokenBufferSize, configuration.ValidationType, label);
m_Parser = new NodeParser(m_Tokenizer, configuration.NodeBufferSize, label);
m_BinaryStream = output;
m_BinaryWriter = new PackedBinaryWriter(m_BinaryStream, m_Tokenizer, label);
m_Block = buffer;
}
internal SerializedObjectReader(UnsafeBuffer <char> buffer, SerializedObjectReaderConfiguration configuration, Allocator label = SerializationConfiguration.DefaultAllocatorLabel)
: this(buffer, OpenBinaryStreamWithConfiguration(configuration, label), configuration, label)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="SerializedObjectReader"/> class based on the specified input stream and configuration.
/// </summary>
/// <param name="input">The input stream.</param>
/// <param name="configuration">The configuration parameters to use for the reader.</param>
/// <param name="label">The memory allocator label to use.</param>
/// <param name="leaveInputOpen">True to leave the input stream open after the reader object is disposed; otherwise, false.</param>
public SerializedObjectReader(Stream input, SerializedObjectReaderConfiguration configuration, Allocator label = SerializationConfiguration.DefaultAllocatorLabel, bool leaveInputOpen = true)
: this(input, OpenBinaryStreamWithConfiguration(configuration, label), configuration, label, leaveInputOpen, false)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="SerializedObjectReader"/> class with the specified path, output stream and configuration.
/// </summary>
/// <param name="path">A relative or absolute file path.</param>
/// <param name="output">The output stream.</param>
/// <param name="configuration">The configuration parameters to use for the reader.</param>
/// <param name="label">The memory allocator label to use.</param>
/// <param name="leaveOutputOpen">True to leave the output stream open after the reader object is disposed; otherwise, false.</param>
public SerializedObjectReader(string path, PackedBinaryStream output, SerializedObjectReaderConfiguration configuration, Allocator label = SerializationConfiguration.DefaultAllocatorLabel, bool leaveOutputOpen = true)
: this(OpenFileStreamWithConfiguration(path, configuration), output, configuration, label, false, leaveOutputOpen)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="SerializedObjectReader"/> class with the specified path and configuration.
/// </summary>
/// <param name="path">A relative or absolute file path.</param>
/// <param name="configuration">The configuration parameters to use for the reader.</param>
/// <param name="label">The memory allocator label to use.</param>
public SerializedObjectReader(string path, SerializedObjectReaderConfiguration configuration, Allocator label = SerializationConfiguration.DefaultAllocatorLabel)
: this(path, OpenBinaryStreamWithConfiguration(configuration, label), configuration, label, false)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="SerializedObjectReader"/> class based on the specified input buffer, output stream and configuration.
/// </summary>
/// <param name="buffer">The pointer to the input buffer.</param>
/// <param name="length">The input buffer length.</param>
/// <param name="output">The output stream.</param>
/// <param name="configuration">The configuration parameters to use for the reader.</param>
/// <param name="label">The memory allocator label to use.</param>
public unsafe SerializedObjectReader(char *buffer, int length, PackedBinaryStream output, SerializedObjectReaderConfiguration configuration, Allocator label = SerializationConfiguration.DefaultAllocatorLabel)
: this(new UnsafeBuffer <char>(buffer, length), output, configuration, label)
{
}
