public MultiValue ReadValueMultiValue(object state)
{
object arg;
var name = this._Input.ReadString(4, true, Encoding.ASCII);
MultiValueOpcode op;
if (MultiValue.TryParseOpcode(name, out op) == false)
{
throw new FormatException("invalid or unknown multivalue opcode");
}
// ReSharper disable BitwiseOperatorOnEnumWithoutFlags
switch (op & MultiValueOpcode.TypeMask) // ReSharper restore BitwiseOperatorOnEnumWithoutFlags
{
case MultiValueOpcode.NON:
{
arg = null;
break;
}
case MultiValueOpcode.StaticVariable:
{
StaticVariableType sv;
if (MultiValue.TryParseStaticVariable(this._Input.ReadValueU32(), out sv) == false)
{
throw new InvalidOperationException(
string.Format(
"multival {0} had an unexpected static variable index",
op));
}
arg = sv;
break;
}
case MultiValueOpcode.INT:
{
arg = this._Input.ReadValueS64();
break;
}
case MultiValueOpcode.FLT:
{
arg = this._Input.ReadValueF64();
break;
}
case MultiValueOpcode.STR:
{
arg = this._Input.ReadStringPascalUncapped();
break;
}
default:
throw new InvalidOperationException(
string.Format(
"multival {0} had an unsupported argument data type",
op));
}
return(new MultiValue()
{
Op = op,
Arg = arg,
});
}
public MultiValue ReadValueMultiValue(object state)
{
MultiValueOpcode op;
var _ = this._Input.ReadValueU32();
if (MultiValue.TryParseOpcode(_, out op) == false)
{
throw new FormatException();
}
object arg;
// ReSharper disable BitwiseOperatorOnEnumWithoutFlags
switch (op & MultiValueOpcode.TypeMask) // ReSharper restore BitwiseOperatorOnEnumWithoutFlags
{
case MultiValueOpcode.NON:
{
arg = null;
break;
}
case MultiValueOpcode.StaticVariable:
{
StaticVariableType sv;
if (MultiValue.TryParseStaticVariable(this.ReadNativeUInt32Packed(), out sv) == false)
{
throw new InvalidOperationException(
string.Format(
"multival {0} had an unexpected static variable index",
op));
}
arg = sv;
break;
}
case MultiValueOpcode.INT:
{
var lo = this.ReadNativeUInt32Packed();
var hi = this.ReadNativeUInt32Packed();
arg = (long)(((ulong)hi << 32) | lo);
break;
}
case MultiValueOpcode.FLT:
{
var lo = this.ReadNativeUInt32Packed();
var hi = this.ReadNativeUInt32Packed();
arg = BitConverter.Int64BitsToDouble(((long)hi << 32) | lo);
break;
}
case MultiValueOpcode.STR:
{
arg = this._Input.ReadStringZ(Encoding.UTF8);
break;
}
default:
{
throw new NotSupportedException("unhandled opcode in multival");
}
}
return(new MultiValue()
{
Op = op,
Arg = arg,
});
}
