private object DeserializeToFields(Type t, object o, DeserializationFlags flags, BindingFlags bindFlags)
{
// TODO: there /has/ to be some way to generalize this process
// for both fields and properties...
FieldInfo[] allFields;
Type fieldType;
bool isArray;
Type elemType;
bool isGeneric;
Type genType;
object val;
if (!flags.HasFlag(DeserializationFlags.Fields))
{
return(o);
}
allFields = t.GetFields(bindFlags);
foreach (FieldInfo f in allFields)
{
fieldType = f.FieldType;
isArray = fieldType.IsArray;
elemType = fieldType.GetElementType();
isGeneric = fieldType.IsGenericType;
if (isGeneric && fieldType.GetGenericTypeDefinition() == typeof(Primitive <>))
{
genType = fieldType.GetGenericArguments()[0];
val = DeserializePrimitive(f.Name, genType, o, flags);
}
else if (isArray)
{
if (PrimitiveTypeUtils.IsPrimitiveType(elemType))
{
val = DeserializeValueArray(f.Name, elemType, o, flags);
}
else
{
val = DeserializeStructureArray(f.Name, elemType, o, flags);
}
}
else if (PrimitiveTypeUtils.IsPrimitiveType(fieldType))
{
val = DeserializeValue(f.Name, fieldType, o, flags);
}
else
{
val = DeserializeStructure(f.Name, fieldType, o, flags);
}
if (val != null)
{
f.SetValue(o, val);
}
}
return(o);
}
/// <summary>
/// Sets an array of values in the file data.
/// </summary>
/// <remarks>
/// If <typeparamref name="T"/> is a multi-byte type, the bytes of each element
/// will be written in the order specified by the <see cref="Endianness"/> property.
/// </remarks>
/// <typeparam name="T">The type of the values to set.</typeparam>
/// <param name="index">The position in the file data of the first value to get.</param>
/// <param name="values">The values to be written to the binary file data starting at the index.</param>
/// <exception cref="ArgumentOutOfRangeException">
/// If the index is out of range or if the count results in an index that is out of range.
/// </exception>
public void Set <T>(int index, T[] values)
where T : struct
{
if (!PrimitiveTypeUtils.IsPrimitiveType <T>())
{
throw new ArgumentException(Resources.ArgumentExceptionPrimitiveType, nameof(T));
}
int elemSize = PrimitiveTypeUtils.SizeOf <T>();
int numBytes = elemSize * values.Length;
RangeCheck(index);
RangeCheck(index + numBytes - 1);
// Convert values into a single array of bytes
byte[] b = new byte[numBytes];
for (int i = 0; i < values.Length; i++)
{
byte[] valueBytes = PrimitiveTypeUtils.GetBytes <T>(values[i]);
if (Endianness == Endianness.Big)
{
valueBytes = valueBytes.Reverse().ToArray();
}
Buffer.BlockCopy(valueBytes, 0, b, i * elemSize, elemSize);
}
// Copy byte array to binary file data
Marshal.Copy(b, 0, dataPtr + index, numBytes);
}
/// <summary>
/// Gets an array of values from the file data.
/// </summary>
/// <remarks>
/// If <typeparamref name="T"/> is a multi-byte type, the bytes of each element
/// will be retrieved in the order specified by the <see cref="Endianness"/> property.
/// </remarks>
/// <typeparam name="T">The type of the values to get.</typeparam>
/// <param name="index">The position in the file data of the first value to get.</param>
/// <param name="count">The number of elements to get.</param>
/// <returns>
/// An array of <paramref name="count"/> values retrieved from the binary file data at the specified index.
/// </returns>
/// <exception cref="ArgumentOutOfRangeException">
/// If the index is out of range or if the count results in an index that is out of range.
/// </exception>
public T[] Get <T>(int index, int count)
where T : struct
{
if (!PrimitiveTypeUtils.IsPrimitiveType <T>())
{
throw new ArgumentException(Resources.ArgumentExceptionPrimitiveType, nameof(T));
}
int elemSize = PrimitiveTypeUtils.SizeOf <T>();
int numBytes = elemSize * count;
RangeCheck(index);
RangeCheck(index + numBytes - 1);
// Get bytes from binary file data
byte[] b = new byte[numBytes];
Marshal.Copy(dataPtr + index, b, 0, numBytes);
// Create array of values
T[] values = new T[count];
byte[] valueBytes = new byte[elemSize];
for (int i = 0; i < count; i++)
{
Buffer.BlockCopy(b, i * elemSize, valueBytes, 0, elemSize);
if (Endianness == Endianness.Big)
{
valueBytes = valueBytes.Reverse().ToArray();
}
values[i] = PrimitiveTypeUtils.GetValue <T>(valueBytes);
}
return(values);
}
/// <summary>
/// Creates a <see cref="Primitive{T}"/> at the specified offset in the
/// <see cref="BinaryData"/>.
/// </summary>
public Primitive(BinaryData data, int offset)
{
if (!PrimitiveTypeUtils.IsPrimitiveType <T>())
{
string msg = Resources.ArgumentExceptionPrimitiveType;
throw new ArgumentException(msg, nameof(T));
}
this.DataSource = data;
this.Symbol = new SymbolTable(null, null);
}
internal Primitive(BinaryData data, SymbolTable symbol)
{
if (!PrimitiveTypeUtils.IsPrimitiveType <T>())
{
string msg = Resources.ArgumentExceptionPrimitiveType;
throw new ArgumentException(msg, nameof(T));
}
if (PrimitiveTypeUtils.SizeOf <T>() > symbol.DataLength)
{
string msg = "The type provided cannot be larger than the size of the data field.";
throw new ArgumentException(msg, nameof(T));
}
this.DataSource = data;
this.Symbol = symbol;
}
private object DeserializeToProperties(Type t, object o, DeserializationFlags flags, BindingFlags bindFlags)
{
PropertyInfo[] allProperties;
Type propType;
bool isArray;
Type elemType;
bool isGeneric;
Type genType;
object val;
if (!flags.HasFlag(DeserializationFlags.Properties))
{
return(o);
}
allProperties = t.GetProperties(bindFlags);
foreach (PropertyInfo p in allProperties)
{
propType = p.PropertyType;
isArray = propType.IsArray;
elemType = propType.GetElementType();
isGeneric = propType.IsGenericType;
if (p.GetSetMethod() == null)
{
continue;
}
if (isGeneric && propType.GetGenericTypeDefinition() == typeof(Primitive <>))
{
genType = propType.GetGenericArguments()[0];
val = DeserializePrimitive(p.Name, genType, o, flags);
}
else if (isArray)
{
if (PrimitiveTypeUtils.IsPrimitiveType(elemType))
{
val = DeserializeValueArray(p.Name, elemType, o, flags);
}
else
{
val = DeserializeStructureArray(p.Name, elemType, o, flags);
}
}
else if (PrimitiveTypeUtils.IsPrimitiveType(propType))
{
val = DeserializeValue(p.Name, propType, o, flags);
}
else
{
val = DeserializeStructure(p.Name, propType, o, flags);
}
if (val != null)
{
p.SetValue(o, val);
}
}
return(o);
}