using System;

using System.Globalization;

using System.IO;

using System.Text;

using System.Threading;

using System.Threading.Tasks;

using ServiceStack.Text.Common;

using ServiceStack.Text.Json;

namespace ServiceStack.Text

{

public abstract class MemoryProvider

{

public static MemoryProvider Instance =

#if NETCORE2_1

ServiceStack.Memory.NetCoreMemory.Provider;

#else

DefaultMemory.Provider;

#endif

internal const string BadFormat = "Input string was not in a correct format.";

internal const string OverflowMessage = "Value was either too large or too small for an {0}.";

public abstract bool TryParseBoolean(ReadOnlySpan<char> value, out bool result);

public abstract bool ParseBoolean(ReadOnlySpan<char> value);

public abstract bool TryParseDecimal(ReadOnlySpan<char> value, out decimal result);

public abstract decimal ParseDecimal(ReadOnlySpan<char> value);

public abstract decimal ParseDecimal(ReadOnlySpan<char> value, bool allowThousands);

public abstract bool TryParseFloat(ReadOnlySpan<char> value, out float result);

public abstract float ParseFloat(ReadOnlySpan<char> value);

public abstract bool TryParseDouble(ReadOnlySpan<char> value, out double result);

public abstract double ParseDouble(ReadOnlySpan<char> value);

public abstract sbyte ParseSByte(ReadOnlySpan<char> value);

public abstract byte ParseByte(ReadOnlySpan<char> value);

public abstract short ParseInt16(ReadOnlySpan<char> value);

public abstract ushort ParseUInt16(ReadOnlySpan<char> value);

public abstract int ParseInt32(ReadOnlySpan<char> value);

public abstract uint ParseUInt32(ReadOnlySpan<char> value);

public abstract uint ParseUInt32(ReadOnlySpan<char> value, NumberStyles style);

public abstract long ParseInt64(ReadOnlySpan<char> value);

public abstract ulong ParseUInt64(ReadOnlySpan<char> value);

public abstract Guid ParseGuid(ReadOnlySpan<char> value);

public abstract byte[] ParseBase64(ReadOnlySpan<char> value);

public abstract Task WriteAsync(Stream stream, ReadOnlySpan<char> value, CancellationToken token = default);

public abstract Task WriteAsync(Stream stream, ReadOnlyMemory<byte> value, CancellationToken token = default);

public abstract object Deserialize(Stream stream, Type type, DeserializeStringSpanDelegate deserializer);

public abstract Task<object> DeserializeAsync(Stream stream, Type type,

DeserializeStringSpanDelegate deserializer);

public abstract StringBuilder Append(StringBuilder sb, ReadOnlySpan<char> value);

public abstract int GetUtf8CharCount(ReadOnlySpan<byte> bytes);

public abstract int GetUtf8ByteCount(ReadOnlySpan<char> chars);

public abstract ReadOnlyMemory<byte> ToUtf8(ReadOnlySpan<char> source);

public abstract ReadOnlyMemory<char> FromUtf8(ReadOnlySpan<byte> source);

public abstract int ToUtf8(ReadOnlySpan<char> source, Span<byte> destination);

public abstract int FromUtf8(ReadOnlySpan<byte> source, Span<char> destination);

public abstract byte[] ToUtf8Bytes(ReadOnlySpan<char> source);

public abstract string FromUtf8Bytes(ReadOnlySpan<byte> source);

}

}