本文整理汇总了C#中SerializationContext.TryReadFieldPrefix方法的典型用法代码示例。如果您正苦于以下问题：C# SerializationContext.TryReadFieldPrefix方法的具体用法？C# SerializationContext.TryReadFieldPrefix怎么用？C# SerializationContext.TryReadFieldPrefix使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类SerializationContext的用法示例。
在下文中一共展示了SerializationContext.TryReadFieldPrefix方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: DeserializeDecimal
public static decimal DeserializeDecimal(SerializationContext context)
{
ulong low = 0;
uint high = 0;
uint signScale = 0;
uint prefix;
bool keepRunning = true;
while (keepRunning && context.TryReadFieldPrefix(out prefix))
{
switch (prefix)
{
case (FieldDecimalLow << 3) | (int)WireType.Variant:
low = (ulong)context.DecodeInt64();
break;
case (FieldDecimalHigh << 3) | (int)WireType.Variant:
high = (uint)context.DecodeInt32();
break;
case (FieldDecimalSignScale << 3) | (int)WireType.Variant:
signScale = (uint)context.DecodeInt32();
break;
default:
WireType wireType;
int fieldTag;
Serializer.ParseFieldToken(prefix, out wireType, out fieldTag);
if (wireType == WireType.EndGroup)
{
context.EndGroup(fieldTag);
keepRunning = false;
continue;
}
switch (fieldTag)
{
case FieldDecimalHigh:
case FieldDecimalLow:
case FieldDecimalSignScale:
throw new ProtoException("Incorrect wire-type deserializing Decimal");
default:
Serializer.SkipData(context, fieldTag, wireType);
break;
}
break;
}
}
if (low == 0 && high == 0) return decimal.Zero;
int lo = (int)(low & 0xFFFFFFFFL),
mid = (int)((low >> 32) & 0xFFFFFFFFL),
hi = (int)high;
bool isNeg = (signScale & 0x0001) == 0x0001;
byte scale = (byte)((signScale & 0x01FE) >> 1);
return new decimal(lo, mid, hi, isNeg, scale);
}示例2: Deserialize
internal static Guid Deserialize(SerializationContext context)
{
byte[] buffer = new byte[16];
uint prefix;
bool keepRunning = true;
while (keepRunning && context.TryReadFieldPrefix(out prefix))
{
switch (prefix)
{
case (FieldLo << 3) | (int)WireType.Fixed64:
context.ReadBlock(buffer, 0, 8);
break;
case (FieldHi << 3) | (int)WireType.Fixed64:
context.ReadBlock(buffer, 8, 8);
break;
default:
WireType wireType;
int fieldTag;
Serializer.ParseFieldToken(prefix, out wireType, out fieldTag);
if (wireType == WireType.EndGroup)
{
context.EndGroup(fieldTag);
keepRunning = false;
continue;
}
switch (fieldTag)
{
case FieldLo:
case FieldHi:
throw new ProtoException("Incorrect wire-type deserializing Guid");
default:
Serializer.SkipData(context, fieldTag, wireType);
break;
}
break;
}
}
return new Guid(buffer);
}示例3: DeserializeTicks
private static long DeserializeTicks(SerializationContext context)
{
long value = 0;
TimeSpanScale scale = TimeSpanScale.Days;
uint prefix;
bool keepRunning = true;
while (keepRunning && context.TryReadFieldPrefix(out prefix))
{
switch (prefix)
{
case (FieldTimeSpanScale << 3) | (int)WireType.Variant:
scale = (TimeSpanScale)context.DecodeInt32();
break;
case (FieldTimeSpanValue << 3) | (int)WireType.Variant:
value = SerializationContext.Zag(context.DecodeUInt64());
break;
default:
WireType wireType;
int fieldTag;
Serializer.ParseFieldToken(prefix, out wireType, out fieldTag);
if (wireType == WireType.EndGroup)
{
context.EndGroup(fieldTag);
keepRunning = false;
continue;
}
switch (fieldTag)
{
case FieldTimeSpanScale:
case FieldTimeSpanValue:
throw new ProtoException("Incorrect wire-type deserializing TimeSpan");
default:
Serializer.SkipData(context, fieldTag, wireType);
break;
}
break;
}
}
switch (scale)
{
case TimeSpanScale.Days:
return value * TimeSpan.TicksPerDay;
case TimeSpanScale.Hours:
return value * TimeSpan.TicksPerHour;
case TimeSpanScale.Minutes:
return value * TimeSpan.TicksPerMinute;
case TimeSpanScale.Seconds:
return value * TimeSpan.TicksPerSecond;
case TimeSpanScale.Milliseconds:
return value * TimeSpan.TicksPerMillisecond;
case TimeSpanScale.Ticks:
return value;
case TimeSpanScale.MinMax:
switch (value)
{
case 1: return long.MaxValue;
case -1: return long.MinValue;
default: throw new ProtoException("Unknown min/max value: " + value.ToString());
}
default:
throw new ProtoException("Unknown timescale: " + scale.ToString());
}
}