/// <summary>
/// Initializes a new instance of the <see cref="StringValue"/> class.
/// </summary>
/// <param name="theBytes">The bytes.</param>
/// <param name="theStringDefinition">The string definition.</param>
/// <param name="parent">The parent.</param>
public StringValue(ByteStore theBytes, StringDefinition theStringDefinition, Value parent)
: base(theStringDefinition, parent)
{
List<Byte> stringBytes = new List<byte>();
// Read bytes until they run out or we hit null terminator
Byte theByte = 0xff;
while (theBytes.ReadPosition < theBytes.PayloadLength && theByte != '\0')
{
theByte = theBytes.GetByte();
stringBytes.Add(theByte);
}
m_Value = Encoding.ASCII.GetString(stringBytes.ToArray());
}
/// <summary>
/// Initializes a new instance of the <see cref="BaseTypeValue"/> class with
/// values extracted from the byte store
/// </summary>
/// <param name="baseTypeDefinition">The base type definition.</param>
/// <param name="theBytes">The bytes.</param>
/// <param name="parent">The parent.</param>
public BaseTypeValue(BaseTypeDefinition baseTypeDefinition, ByteStore theBytes, Value parent)
: this(baseTypeDefinition, parent)
{
ulong tempValue = 0;
switch (m_BaseTypeDefinition.FixedSizeBytes.Value)
{
case 0:
// Special case for end-markers for lists of elements
break;
case 1:
tempValue = theBytes.GetByte();
break;
case 2:
tempValue = theBytes.GetUint16();
break;
case 4:
tempValue = theBytes.GetUint32();
break;
case 8:
tempValue = theBytes.GetUint64();
break;
default:
throw new DataDictionaryException(String.Format("{0} Illegal ByteSize {1}",
m_BaseTypeDefinition.Name,
m_BaseTypeDefinition.FixedSizeBytes.Value));
}
if (m_BaseTypeDefinition.IsSigned)
{
SignedValue = (long)tempValue;
}
else
{
UnsignedValue = tempValue;
}
}
/// <summary>
/// Initializes a new instance of the <see cref="EnumValue"/> class by extracting the
/// encoded value from the byte store
/// </summary>
/// <param name="theEnumDefinition">The enum definition.</param>
/// <param name="theBytes">The bytes.</param>
/// <param name="parent">The parent.</param>
public EnumValue(EnumDefinition theEnumDefinition, ByteStore theBytes, Value parent)
: this(theEnumDefinition, parent)
{
switch (theEnumDefinition.FixedSizeBytes)
{
case 1:
IntegerValue = (int)theBytes.GetByte();
break;
case 2:
IntegerValue = (int)theBytes.GetUint16();
break;
case 4:
IntegerValue = (int)theBytes.GetUint32();
break;
default:
throw new DataDictionaryException(string.Format("Illegal byte size {0} for enum {1}", theEnumDefinition.FixedSizeBytes, m_EnumDefinition.Name));
}
StringValue = m_EnumDefinition.IntegerValueToString(IntegerValue);
}