public object Deserialize(
StreamReader streamReader,
SerializationContext serializationContext,
PropertyMetaData propertyMetaData = null)
{
int arrayLength;
if (propertyMetaData.Options.SerializeSize != ArraySizeType.NoSerialization)
{
var arraySizeSerializer = new ArraySizeSerializer(propertyMetaData.Options.SerializeSize);
arrayLength = (int)arraySizeSerializer.Deserialize(streamReader, serializationContext, propertyMetaData);
}
else
{
arrayLength = propertyMetaData.Options.FixedSizeLength;
}
var array = Array.CreateInstance(this.typeSerializer.Type, arrayLength);
for (var i = 0; i < arrayLength; i++)
{
var element = this.typeSerializer.Deserialize(streamReader, serializationContext, propertyMetaData);
array.SetValue(element, i);
}
return(array);
}
public Expression SerializerExpression(
ParameterExpression streamWriterExpression,
ParameterExpression serializationContextExpression,
Expression valueExpression,
PropertyMetaData propertyMetaData)
{
if (valueExpression.Type.IsAssignableFrom(this.type) == false)
{
valueExpression = Expression.Convert(valueExpression, this.type);
}
var expressions = new List <Expression>();
if (propertyMetaData.Options.SerializeSize != ArraySizeType.NoSerialization)
{
var serializeSizeExp =
new ArraySizeSerializer(propertyMetaData.Options.SerializeSize).SerializerExpression(
streamWriterExpression, serializationContextExpression, valueExpression, propertyMetaData);
expressions.Add(serializeSizeExp);
}
var @break = Expression.Label();
var arrayLength = Expression.ArrayLength(valueExpression);
var counter = Expression.Variable(typeof(int), "i");
expressions.Add(Expression.Assign(counter, Expression.Constant(0)));
var element = Expression.Variable(this.typeSerializer.Type, "element");
var assign = Expression.Assign(element, Expression.ArrayIndex(valueExpression, counter));
var ifElse = Expression.IfThenElse(
Expression.LessThan(counter, arrayLength),
Expression.Block(
new[] { element },
new[]
{
assign,
this.typeSerializer.SerializerExpression(
streamWriterExpression, serializationContextExpression, element, propertyMetaData),
Expression.Assign(counter, Expression.Increment(counter))
}),
Expression.Break(@break));
var forExp = Expression.Loop(ifElse, @break);
expressions.Add(forExp);
var block = Expression.Block(new[] { counter }, expressions);
return(block);
}
public object Deserialize(
StreamReader streamReader,
SerializationContext serializationContext,
PropertyMetaData propertyMetaData = null)
{
int arrayLength;
var array = Array.CreateInstance(this.typeSerializer.Type, 0);
if (propertyMetaData.Options.SerializeSize == ArraySizeType.NullTerminated)
{
List <object> temp = new List <object>();
int check = 0;
do
{
check = streamReader.ReadInt32();
if (check != 0)
{
streamReader.Position -= 4;
var element = this.typeSerializer.Deserialize(
streamReader,
serializationContext,
propertyMetaData);
temp.Add(element);
}
}while (check != 0);
}
else
{
if (propertyMetaData.Options.SerializeSize != ArraySizeType.NoSerialization)
{
var arraySizeSerializer = new ArraySizeSerializer(propertyMetaData.Options.SerializeSize);
arrayLength = (int)arraySizeSerializer.Deserialize(streamReader, serializationContext, propertyMetaData);
}
else
{
arrayLength = propertyMetaData.Options.FixedSizeLength;
}
array = Array.CreateInstance(this.typeSerializer.Type, arrayLength);
for (var i = 0; i < arrayLength; i++)
{
var element = this.typeSerializer.Deserialize(streamReader, serializationContext, propertyMetaData);
array.SetValue(element, i);
}
}
return(array);
}
public void Serialize(
StreamWriter streamWriter,
SerializationContext serializationContext,
object value,
PropertyMetaData propertyMetaData = null)
{
if (propertyMetaData.Options.SerializeSize != ArraySizeType.NoSerialization)
{
var arraySizeSerializer = new ArraySizeSerializer(propertyMetaData.Options.SerializeSize);
arraySizeSerializer.Serialize(streamWriter, serializationContext, value, propertyMetaData);
}
var writeStringParam = propertyMetaData.Options.IsFixedSize
? (int?)propertyMetaData.Options.FixedSizeLength
: null;
streamWriter.WriteString((string)value, writeStringParam);
}
public Expression DeserializerExpression(
ParameterExpression streamReaderExpression,
ParameterExpression serializationContextExpression,
Expression assignmentTargetExpression,
PropertyMetaData propertyMetaData)
{
var expressions = new List <Expression>();
var lengthExpression = Expression.Variable(typeof(int), "length");
Expression assignLengthExpression;
if (propertyMetaData.Options.SerializeSize == ArraySizeType.NoSerialization)
{
assignLengthExpression = Expression.Assign(
lengthExpression, Expression.Constant(propertyMetaData.Options.FixedSizeLength, typeof(int)));
}
else
{
assignLengthExpression =
new ArraySizeSerializer(propertyMetaData.Options.SerializeSize).DeserializerExpression(
streamReaderExpression, serializationContextExpression, lengthExpression, propertyMetaData);
}
expressions.Add(assignLengthExpression);
var readMethodInfo = ReflectionHelper.GetMethodInfo <StreamReader, Func <int, string> >(o => o.ReadString);
var callReadExp = Expression.Call(
streamReaderExpression, readMethodInfo, new Expression[] { lengthExpression });
Expression setString = assignmentTargetExpression.Type.IsAssignableFrom(this.type)
? Expression.Assign(assignmentTargetExpression, callReadExp)
: Expression.Assign(
assignmentTargetExpression,
Expression.Convert(callReadExp, assignmentTargetExpression.Type));
expressions.Add(setString);
var block = Expression.Block(new[] { lengthExpression }, expressions);
return(block);
}
public object Deserialize(
StreamReader streamReader,
SerializationContext serializationContext,
PropertyMetaData propertyMetaData = null)
{
int length;
if (propertyMetaData.Options.SerializeSize == ArraySizeType.NoSerialization)
{
length = propertyMetaData.Options.FixedSizeLength;
}
else
{
var arraySizeSerializer = new ArraySizeSerializer(propertyMetaData.Options.SerializeSize);
length =
(int)
arraySizeSerializer.Deserialize(
streamReader, serializationContext, propertyMetaData: propertyMetaData);
}
return streamReader.ReadString(length);
}
public void Serialize(
StreamWriter streamWriter,
SerializationContext serializationContext,
object value,
PropertyMetaData propertyMetaData = null)
{
if (propertyMetaData.Options.SerializeSize != ArraySizeType.NoSerialization)
{
var arraySizeSerializer = new ArraySizeSerializer(propertyMetaData.Options.SerializeSize);
arraySizeSerializer.Serialize(
streamWriter, serializationContext, value, propertyMetaData: propertyMetaData);
}
var array = (Array)value;
for (var i = 0; i < array.Length; i++)
{
this.typeSerializer.Serialize(
streamWriter, serializationContext, array.GetValue(i), propertyMetaData: propertyMetaData);
}
}
public object Deserialize(
StreamReader streamReader,
SerializationContext serializationContext,
PropertyMetaData propertyMetaData = null)
{
int length;
if (propertyMetaData.Options.SerializeSize == ArraySizeType.NoSerialization)
{
length = propertyMetaData.Options.FixedSizeLength;
}
else
{
var arraySizeSerializer = new ArraySizeSerializer(propertyMetaData.Options.SerializeSize);
length =
(int)
arraySizeSerializer.Deserialize(
streamReader, serializationContext, propertyMetaData: propertyMetaData);
}
return(streamReader.ReadString(length));
}
public Expression SerializerExpression(
ParameterExpression streamWriterExpression,
ParameterExpression serializationContextExpression,
Expression valueExpression,
PropertyMetaData propertyMetaData)
{
if (valueExpression.Type.IsAssignableFrom(this.type) == false)
{
valueExpression = Expression.Convert(valueExpression, this.type);
}
var expressions = new List <Expression>();
if (propertyMetaData.Options.SerializeSize != ArraySizeType.NoSerialization)
{
var serializeSizeExp =
new ArraySizeSerializer(propertyMetaData.Options.SerializeSize).SerializerExpression(
streamWriterExpression, serializationContextExpression, valueExpression, propertyMetaData);
expressions.Add(serializeSizeExp);
}
var writeMethodInfo = ReflectionHelper.GetMethodInfo <StreamWriter, Action <string, int?> >(o => o.WriteString);
Expression writeStringParam = propertyMetaData.Options.IsFixedSize
? Expression.Constant(
propertyMetaData.Options.FixedSizeLength, typeof(int?))
: Expression.Constant(null, typeof(int?));
var callWriteExp = Expression.Call(
streamWriterExpression,
writeMethodInfo,
new[] { Expression.Convert(valueExpression, this.type), writeStringParam });
expressions.Add(callWriteExp);
var block = Expression.Block(expressions);
return(block);
}
public void Serialize(
StreamWriter streamWriter,
SerializationContext serializationContext,
object value,
PropertyMetaData propertyMetaData = null)
{
if (propertyMetaData.Options.SerializeSize != ArraySizeType.NoSerialization)
{
var arraySizeSerializer = new ArraySizeSerializer(propertyMetaData.Options.SerializeSize);
arraySizeSerializer.Serialize(
streamWriter, serializationContext, value, propertyMetaData: propertyMetaData);
}
var array = (Array)value;
for (var i = 0; i < array.Length; i++)
{
this.typeSerializer.Serialize(
streamWriter, serializationContext, array.GetValue(i), propertyMetaData: propertyMetaData);
}
}
public Expression DeserializerExpression(
ParameterExpression streamReaderExpression,
ParameterExpression serializationContextExpression,
Expression assignmentTargetExpression,
PropertyMetaData propertyMetaData)
{
var expressions = new List<Expression>();
var lengthExpression = Expression.Variable(typeof(int), "length");
Expression assignLengthExpression;
if (propertyMetaData.Options.SerializeSize == ArraySizeType.NoSerialization)
{
assignLengthExpression = Expression.Assign(
lengthExpression, Expression.Constant(propertyMetaData.Options.FixedSizeLength, typeof(int)));
}
else
{
assignLengthExpression =
new ArraySizeSerializer(propertyMetaData.Options.SerializeSize).DeserializerExpression(
streamReaderExpression, serializationContextExpression, lengthExpression, propertyMetaData);
}
expressions.Add(assignLengthExpression);
var readMethodInfo = ReflectionHelper.GetMethodInfo<StreamReader, Func<int, string>>(o => o.ReadString);
var callReadExp = Expression.Call(
streamReaderExpression, readMethodInfo, new Expression[] { lengthExpression });
Expression setString = assignmentTargetExpression.Type.IsAssignableFrom(this.type)
? Expression.Assign(assignmentTargetExpression, callReadExp)
: Expression.Assign(
assignmentTargetExpression,
Expression.Convert(callReadExp, assignmentTargetExpression.Type));
expressions.Add(setString);
var block = Expression.Block(new[] { lengthExpression }, expressions);
return block;
}
public Expression SerializerExpression(
ParameterExpression streamWriterExpression,
ParameterExpression serializationContextExpression,
Expression valueExpression,
PropertyMetaData propertyMetaData)
{
if (valueExpression.Type.IsAssignableFrom(this.type) == false)
{
valueExpression = Expression.Convert(valueExpression, this.type);
}
var expressions = new List<Expression>();
if (propertyMetaData.Options.SerializeSize != ArraySizeType.NoSerialization)
{
var serializeSizeExp =
new ArraySizeSerializer(propertyMetaData.Options.SerializeSize).SerializerExpression(
streamWriterExpression, serializationContextExpression, valueExpression, propertyMetaData);
expressions.Add(serializeSizeExp);
}
var writeMethodInfo = ReflectionHelper.GetMethodInfo<StreamWriter, Action<string, int?>>(o => o.WriteString);
Expression writeStringParam = propertyMetaData.Options.IsFixedSize
? Expression.Constant(
propertyMetaData.Options.FixedSizeLength, typeof(int?))
: Expression.Constant(null, typeof(int?));
var callWriteExp = Expression.Call(
streamWriterExpression,
writeMethodInfo,
new[] { Expression.Convert(valueExpression, this.type), writeStringParam });
expressions.Add(callWriteExp);
var block = Expression.Block(expressions);
return block;
}
public void Serialize(
StreamWriter streamWriter,
SerializationContext serializationContext,
object value,
PropertyMetaData propertyMetaData = null)
{
if (propertyMetaData.Options.SerializeSize != ArraySizeType.NoSerialization)
{
var arraySizeSerializer = new ArraySizeSerializer(propertyMetaData.Options.SerializeSize);
arraySizeSerializer.Serialize(streamWriter, serializationContext, value, propertyMetaData);
}
var writeStringParam = propertyMetaData.Options.IsFixedSize
? (int?)propertyMetaData.Options.FixedSizeLength
: null;
streamWriter.WriteString((string)value, writeStringParam);
}
public object Deserialize(
StreamReader streamReader,
SerializationContext serializationContext,
PropertyMetaData propertyMetaData = null)
{
int arrayLength;
var array = Array.CreateInstance(this.typeSerializer.Type, 0);
if (propertyMetaData.Options.SerializeSize == ArraySizeType.NullTerminated)
{
List<object> temp = new List<object>();
int check = 0;
do
{
check = streamReader.ReadInt32();
if (check != 0)
{
streamReader.Position -= 4;
var element = this.typeSerializer.Deserialize(
streamReader,
serializationContext,
propertyMetaData);
temp.Add(element);
}
}
while (check != 0);
}
else
{
if (propertyMetaData.Options.SerializeSize != ArraySizeType.NoSerialization)
{
var arraySizeSerializer = new ArraySizeSerializer(propertyMetaData.Options.SerializeSize);
arrayLength = (int)arraySizeSerializer.Deserialize(streamReader, serializationContext, propertyMetaData);
}
else
{
arrayLength = propertyMetaData.Options.FixedSizeLength;
}
array = Array.CreateInstance(this.typeSerializer.Type, arrayLength);
for (var i = 0; i < arrayLength; i++)
{
var element = this.typeSerializer.Deserialize(streamReader, serializationContext, propertyMetaData);
array.SetValue(element, i);
}
}
return array;
}
public Expression SerializerExpression(
ParameterExpression streamWriterExpression,
ParameterExpression serializationContextExpression,
Expression valueExpression,
PropertyMetaData propertyMetaData)
{
if (valueExpression.Type.IsAssignableFrom(this.type) == false)
{
valueExpression = Expression.Convert(valueExpression, this.type);
}
var expressions = new List<Expression>();
if ((propertyMetaData.Options.SerializeSize != ArraySizeType.NoSerialization) && (propertyMetaData.Options.SerializeSize != ArraySizeType.NullTerminated))
{
var serializeSizeExp =
new ArraySizeSerializer(propertyMetaData.Options.SerializeSize).SerializerExpression(
streamWriterExpression, serializationContextExpression, valueExpression, propertyMetaData);
expressions.Add(serializeSizeExp);
}
var @break = Expression.Label();
var arrayLength = Expression.ArrayLength(valueExpression);
var counter = Expression.Variable(typeof(int), "i");
expressions.Add(Expression.Assign(counter, Expression.Constant(0)));
var element = Expression.Variable(this.typeSerializer.Type, "element");
var assign = Expression.Assign(element, Expression.ArrayIndex(valueExpression, counter));
var ifElse = Expression.IfThenElse(
Expression.LessThan(counter, arrayLength),
Expression.Block(
new[] { element },
new[]
{
assign,
this.typeSerializer.SerializerExpression(
streamWriterExpression, serializationContextExpression, element, propertyMetaData),
Expression.Assign(counter, Expression.Increment(counter))
}),
Expression.Break(@break));
var forExp = Expression.Loop(ifElse, @break);
expressions.Add(forExp);
if (propertyMetaData.Options.SerializeSize == ArraySizeType.NullTerminated)
{
MethodInfo writeCloser = null;
if ((propertyMetaData.Type == typeof(string)) || (propertyMetaData.Type == typeof(byte)))
{
writeCloser = ReflectionHelper.GetMethodInfo<StreamWriter, Action<byte>>(o => o.WriteByte);
}
else if (propertyMetaData.Type == typeof(short))
{
writeCloser = ReflectionHelper.GetMethodInfo<StreamWriter, Action<short>>(o => o.WriteInt16);
}
else
{
writeCloser = ReflectionHelper.GetMethodInfo<StreamWriter, Action<Int32>>(o => o.WriteInt32);
}
Expression sernull = Expression.Call(
streamWriterExpression,
writeCloser,
new[] { Expression.Constant(0) });
expressions.Add(sernull);
}
var block = Expression.Block(new[] { counter }, expressions);
return block;
}
public Expression DeserializerExpression(
ParameterExpression streamReaderExpression,
ParameterExpression serializationContextExpression,
Expression assignmentTargetExpression,
PropertyMetaData propertyMetaData)
{
var expressions = new List <Expression>();
var arrayLength = Expression.Variable(typeof(int), "size");
var newArray = Expression.Parameter(this.type, "newArray");
var counter = Expression.Variable(typeof(int), "i");
var element = Expression.Variable(this.typeSerializer.Type, "element");
var @break = Expression.Label();
Expression setArrayLength;
if (propertyMetaData.Options.SerializeSize == ArraySizeType.NullTerminated)
{
var xt1 = typeof(List <>).MakeGenericType(this.typeSerializer.Type);
var tempList = Expression.Variable(xt1, "xt1");
NewExpression newListExpression = Expression.New(xt1);
// Create temporary List<T>
expressions.Add(Expression.Assign(tempList, newListExpression));
var readint = Expression.Assign(arrayLength, Expression.Call(streamReaderExpression, ReflectionHelper.GetMethodInfo <StreamReader, Func <int> >(o => o.ReadInt32)));
var positionProp = Expression.PropertyOrField(streamReaderExpression, "Position");
var innerBlock = Expression.Block(
new[] { element },
new[]
{
Expression.SubtractAssign(positionProp, Expression.Constant((long)4)),
this.typeSerializer.DeserializerExpression(
streamReaderExpression,
serializationContextExpression,
element,
propertyMetaData),
Expression.Call(
tempList,
typeof(List <>).MakeGenericType(this.typeSerializer.Type).GetMethod("Add"),
new[] { element })
});
var ifElse3 = Expression.Block(
new[] { arrayLength },
new Expression[]
{ readint,
Expression.IfThenElse(
Expression.NotEqual(arrayLength, Expression.Constant(0)),
innerBlock,
Expression.Break(@break)) });
expressions.Add(Expression.Assign(arrayLength, Expression.Constant(1)));
expressions.Add(Expression.Loop(ifElse3, @break));
expressions.Add(Expression.Assign(newArray, Expression.Call(tempList, typeof(List <>).MakeGenericType(this.typeSerializer.Type).GetMethod("ToArray"))));
var assignExp = Expression.Assign(assignmentTargetExpression, Expression.Convert(newArray, this.type));
expressions.Add(assignExp);
var block = Expression.Block(new[] { tempList, arrayLength, newArray, counter }, expressions);
return(block);
}
else
{
if (propertyMetaData.Options.SerializeSize != ArraySizeType.NoSerialization)
{
setArrayLength =
new ArraySizeSerializer(propertyMetaData.Options.SerializeSize).DeserializerExpression(
streamReaderExpression, serializationContextExpression, arrayLength, propertyMetaData);
}
else
{
setArrayLength = Expression.Assign(
arrayLength, Expression.Constant(propertyMetaData.Options.FixedSizeLength, typeof(int)));
}
expressions.Add(setArrayLength);
var createNewArray = Expression.NewArrayBounds(this.typeSerializer.Type, arrayLength);
expressions.Add(Expression.Assign(newArray, createNewArray));
expressions.Add(Expression.Assign(counter, Expression.Constant(0)));
var assign = Expression.Assign(Expression.ArrayAccess(newArray, counter), element);
var ifElse = Expression.IfThenElse(
Expression.LessThan(counter, arrayLength),
Expression.Block(
new[] { element },
new[]
{
this.typeSerializer.DeserializerExpression(
streamReaderExpression, serializationContextExpression, element, propertyMetaData),
assign, Expression.Assign(counter, Expression.Increment(counter))
}),
Expression.Break(@break));
var forExp = Expression.Loop(ifElse, @break);
expressions.Add(forExp);
var assignExp = Expression.Assign(assignmentTargetExpression, Expression.Convert(newArray, this.type));
expressions.Add(assignExp);
var block = Expression.Block(new[] { arrayLength, newArray, counter }, expressions);
return(block);
}
}
public Expression SerializerExpression(
ParameterExpression streamWriterExpression,
ParameterExpression serializationContextExpression,
Expression valueExpression,
PropertyMetaData propertyMetaData)
{
if (valueExpression.Type.IsAssignableFrom(this.type) == false)
{
valueExpression = Expression.Convert(valueExpression, this.type);
}
var expressions = new List <Expression>();
if ((propertyMetaData.Options.SerializeSize != ArraySizeType.NoSerialization) && (propertyMetaData.Options.SerializeSize != ArraySizeType.NullTerminated))
{
var serializeSizeExp =
new ArraySizeSerializer(propertyMetaData.Options.SerializeSize).SerializerExpression(
streamWriterExpression, serializationContextExpression, valueExpression, propertyMetaData);
expressions.Add(serializeSizeExp);
}
var @break = Expression.Label();
var arrayLength = Expression.ArrayLength(valueExpression);
var counter = Expression.Variable(typeof(int), "i");
expressions.Add(Expression.Assign(counter, Expression.Constant(0)));
var element = Expression.Variable(this.typeSerializer.Type, "element");
var assign = Expression.Assign(element, Expression.ArrayIndex(valueExpression, counter));
var ifElse = Expression.IfThenElse(
Expression.LessThan(counter, arrayLength),
Expression.Block(
new[] { element },
new[]
{
assign,
this.typeSerializer.SerializerExpression(
streamWriterExpression, serializationContextExpression, element, propertyMetaData),
Expression.Assign(counter, Expression.Increment(counter))
}),
Expression.Break(@break));
var forExp = Expression.Loop(ifElse, @break);
expressions.Add(forExp);
if (propertyMetaData.Options.SerializeSize == ArraySizeType.NullTerminated)
{
MethodInfo writeCloser = null;
if ((propertyMetaData.Type == typeof(string)) || (propertyMetaData.Type == typeof(byte)))
{
writeCloser = ReflectionHelper.GetMethodInfo <StreamWriter, Action <byte> >(o => o.WriteByte);
}
else if (propertyMetaData.Type == typeof(short))
{
writeCloser = ReflectionHelper.GetMethodInfo <StreamWriter, Action <short> >(o => o.WriteInt16);
}
else
{
writeCloser = ReflectionHelper.GetMethodInfo <StreamWriter, Action <Int32> >(o => o.WriteInt32);
}
Expression sernull = Expression.Call(
streamWriterExpression,
writeCloser,
new[] { Expression.Constant(0) });
expressions.Add(sernull);
}
var block = Expression.Block(new[] { counter }, expressions);
return(block);
}
public Expression DeserializerExpression(
ParameterExpression streamReaderExpression,
ParameterExpression serializationContextExpression,
Expression assignmentTargetExpression,
PropertyMetaData propertyMetaData)
{
var expressions = new List <Expression>();
var arrayLength = Expression.Variable(typeof(int), "size");
Expression setArrayLength;
if (propertyMetaData.Options.SerializeSize != ArraySizeType.NoSerialization)
{
setArrayLength =
new ArraySizeSerializer(propertyMetaData.Options.SerializeSize).DeserializerExpression(
streamReaderExpression, serializationContextExpression, arrayLength, propertyMetaData);
}
else
{
setArrayLength = Expression.Assign(
arrayLength, Expression.Constant(propertyMetaData.Options.FixedSizeLength, typeof(int)));
}
expressions.Add(setArrayLength);
var createNewArray = Expression.NewArrayBounds(this.typeSerializer.Type, arrayLength);
var newArray = Expression.Parameter(this.type, "newArray");
expressions.Add(Expression.Assign(newArray, createNewArray));
var @break = Expression.Label();
var counter = Expression.Variable(typeof(int), "i");
expressions.Add(Expression.Assign(counter, Expression.Constant(0)));
var element = Expression.Variable(this.typeSerializer.Type, "element");
var assign = Expression.Assign(Expression.ArrayAccess(newArray, counter), element);
var ifElse = Expression.IfThenElse(
Expression.LessThan(counter, arrayLength),
Expression.Block(
new[] { element },
new[]
{
this.typeSerializer.DeserializerExpression(
streamReaderExpression, serializationContextExpression, element, propertyMetaData),
assign, Expression.Assign(counter, Expression.Increment(counter))
}),
Expression.Break(@break));
var forExp = Expression.Loop(ifElse, @break);
expressions.Add(forExp);
var assignExp = Expression.Assign(assignmentTargetExpression, Expression.Convert(newArray, this.type));
expressions.Add(assignExp);
var block = Expression.Block(new[] { arrayLength, newArray, counter }, expressions);
return(block);
}
public Expression DeserializerExpression(
ParameterExpression streamReaderExpression,
ParameterExpression serializationContextExpression,
Expression assignmentTargetExpression,
PropertyMetaData propertyMetaData)
{
var expressions = new List<Expression>();
var arrayLength = Expression.Variable(typeof(int), "size");
var newArray = Expression.Parameter(this.type, "newArray");
var counter = Expression.Variable(typeof(int), "i");
var element = Expression.Variable(this.typeSerializer.Type, "element");
var @break = Expression.Label();
Expression setArrayLength;
if (propertyMetaData.Options.SerializeSize == ArraySizeType.NullTerminated)
{
var xt1 = typeof(List<>).MakeGenericType(this.typeSerializer.Type);
var tempList = Expression.Variable(xt1, "xt1");
NewExpression newListExpression = Expression.New(xt1);
// Create temporary List<T>
expressions.Add(Expression.Assign(tempList, newListExpression));
var readint = Expression.Assign(arrayLength, Expression.Call(streamReaderExpression, ReflectionHelper.GetMethodInfo<StreamReader, Func<int>>(o => o.ReadInt32)));
var positionProp = Expression.PropertyOrField(streamReaderExpression, "Position");
var innerBlock = Expression.Block(
new[] { element },
new[]
{
Expression.SubtractAssign(positionProp, Expression.Constant((long)4)),
this.typeSerializer.DeserializerExpression(
streamReaderExpression,
serializationContextExpression,
element,
propertyMetaData),
Expression.Call(
tempList,
typeof(List<>).MakeGenericType(this.typeSerializer.Type).GetMethod("Add"),
new[] { element })
});
var ifElse3 = Expression.Block(
new[] { arrayLength },
new Expression[]
{readint,
Expression.IfThenElse(
Expression.NotEqual(arrayLength, Expression.Constant(0)),
innerBlock,
Expression.Break(@break))
});
expressions.Add(Expression.Assign(arrayLength, Expression.Constant(1)));
expressions.Add(Expression.Loop(ifElse3, @break));
expressions.Add(Expression.Assign(newArray, Expression.Call(tempList, typeof(List<>).MakeGenericType(this.typeSerializer.Type).GetMethod("ToArray"))));
var assignExp = Expression.Assign(assignmentTargetExpression, Expression.Convert(newArray, this.type));
expressions.Add(assignExp);
var block = Expression.Block(new[] { tempList, arrayLength, newArray, counter }, expressions);
return block;
}
else
{
if (propertyMetaData.Options.SerializeSize != ArraySizeType.NoSerialization)
{
setArrayLength =
new ArraySizeSerializer(propertyMetaData.Options.SerializeSize).DeserializerExpression(
streamReaderExpression, serializationContextExpression, arrayLength, propertyMetaData);
}
else
{
setArrayLength = Expression.Assign(
arrayLength, Expression.Constant(propertyMetaData.Options.FixedSizeLength, typeof(int)));
}
expressions.Add(setArrayLength);
var createNewArray = Expression.NewArrayBounds(this.typeSerializer.Type, arrayLength);
expressions.Add(Expression.Assign(newArray, createNewArray));
expressions.Add(Expression.Assign(counter, Expression.Constant(0)));
var assign = Expression.Assign(Expression.ArrayAccess(newArray, counter), element);
var ifElse = Expression.IfThenElse(
Expression.LessThan(counter, arrayLength),
Expression.Block(
new[] { element },
new[]
{
this.typeSerializer.DeserializerExpression(
streamReaderExpression, serializationContextExpression, element, propertyMetaData),
assign, Expression.Assign(counter, Expression.Increment(counter))
}),
Expression.Break(@break));
var forExp = Expression.Loop(ifElse, @break);
expressions.Add(forExp);
var assignExp = Expression.Assign(assignmentTargetExpression, Expression.Convert(newArray, this.type));
expressions.Add(assignExp);
var block = Expression.Block(new[] { arrayLength, newArray, counter }, expressions);
return block;
}
}
