private void InternalExpand(int expandMinSize)
{
if (hGlobal.Count == HGlobalCache <char> .MaxSize && textWriter != null && offset != 0)
{
VersionDifferences.WriteChars(textWriter, hGlobal.GetPointer(), offset);
offset = 0;
Expand(expandMinSize);
}
else
{
hGlobal.Expand(expandMinSize);
}
}
/// <summary>
/// 将 Stream 的内容缓存到 HGlobalCache 中。
/// </summary>
/// <param name="hGCache">HGlobalCache</param>
/// <param name="stream">Stream</param>
/// <param name="encoding">编码</param>
/// <returns>返回缓冲的长度</returns>
public static void ReadFrom(this HGlobalCache <char> hGCache, Stream stream, Encoding encoding)
{
var hGBytes = BytesPool.Rent();
hGBytes.ReadFrom(stream);
var maxCharsCount = encoding.GetMaxCharCount(hGBytes.Count);
if (maxCharsCount >= hGCache.Capacity)
{
hGCache.Expand(maxCharsCount);
}
hGCache.Count = encoding.GetChars(
hGBytes.GetPointer(),
hGBytes.Count,
hGCache.GetPointer(),
hGCache.Capacity);
BytesPool.Return(hGBytes);
}
/// <summary>
/// 将 HGlobalCache 中的内容写入到流中。
/// </summary>
/// <param name="hGCache">HGlobalCache</param>
/// <param name="stream">流</param>
/// <param name="encoding">编码</param>
public static void WriteTo(this HGlobalCache <char> hGCache, Stream stream, Encoding encoding)
{
var hGBytes = BytesPool.Rent();
var maxBytesCount = encoding.GetMaxByteCount(hGCache.Count);
if (maxBytesCount > hGBytes.Capacity)
{
hGBytes.Expand(maxBytesCount - hGBytes.Capacity);
}
hGBytes.Count = encoding.GetBytes(
hGCache.GetPointer(),
hGCache.Count,
hGBytes.GetPointer(),
hGBytes.Capacity);
hGBytes.WriteTo(stream);
BytesPool.Return(hGBytes);
}
/// <summary>
/// 异步将 Stream 的内容缓存到 HGlobalCache 中。
/// </summary>
/// <param name="hGCache">HGlobalCache</param>
/// <param name="stream">Stream</param>
/// <param name="encoding">编码</param>
/// <returns>返回缓冲的长度</returns>
public static async Task ReadFromAsync(this HGlobalCache <char> hGCache, Stream stream, Encoding encoding)
{
var hGBytes = BytesPool.Rent();
await hGBytes.ReadFromAsync(stream);
var maxCharsCount = encoding.GetMaxCharCount(hGBytes.Count);
if (maxCharsCount > hGCache.Capacity)
{
hGCache.Expand(maxCharsCount - hGCache.Capacity);
}
unsafe
{
hGCache.Count = encoding.GetChars(
hGBytes.GetPointer(),
hGBytes.Count,
hGCache.GetPointer(),
hGCache.Capacity);
}
BytesPool.Return(hGBytes);
}
/// <summary>
/// 将 JSON 字符串反序列化到指定的数据写入器中。
/// </summary>
/// <param name="hGCache">JSON 字符串缓存</param>
/// <param name="dataWriter">数据写入器</param>
public void DeserializeTo(HGlobalCache <char> hGCache, IDataWriter dataWriter)
{
DeserializeTo(hGCache.GetPointer(), hGCache.Count, dataWriter);
}
public object Deserialize(HGlobalCache <char> hGCache, Type type)
{
return(Deserialize(hGCache.GetPointer(), hGCache.Count, type));
}
public T Deserialize <T>(HGlobalCache <char> hGCache)
{
return(Deserialize <T>(hGCache.GetPointer(), hGCache.Count));
}
public void WriteDateTime(DateTime value)
{
WriteValueBefore();
Expand(32);
Append(FixString);
offset += DateTimeHelper.ToISOString(value, HGCache.GetPointer() + offset);
Append(FixString);
AppendValueAfter();
}
public static IJsonReader CreateJsonReader(HGlobalCache <char> hGCache)
{
return(CreateJsonReader(hGCache.GetPointer(), hGCache.Count));
}
public static object DeserializeObject(HGlobalCache <char> hGCache, Type type, JsonFormatterOptions options)
{
return(DeserializeObject(hGCache.GetPointer(), hGCache.Count, type, options));
}
public static T DeserializeObject <T>(HGlobalCache <char> hGCache, JsonFormatterOptions options)
{
return(DeserializeObject <T>(hGCache.GetPointer(), hGCache.Count, options));
}