public CodeExpression GetReaderExpression(CodeExpression reader)
{
CodeExpression returnExpression;
// Might as well return an empty string
if (!_reference.IsValid())
{
returnExpression = CodeGen.GetPrimitive(String.Empty);
}
else
{
string name = _isByteLength ? "FixBS" : "FixS";
List <CodeExpression> parameters = new List <CodeExpression>();
parameters.Add(reader);
parameters.Add(CodeGen.GetEnum(StringEncoding));
parameters.Add(CodeGen.GetField(CodeGen.GetThis(), _reference.GetNames()));
EvalExpression lengthRead = LengthReadExpression;
if (lengthRead.IsValid)
{
parameters.Add(CodeGen.GetPrimitive(lengthRead.Expression));
}
else
{
parameters.Add(CodeGen.GetPrimitive(_adjustment));
}
returnExpression = CodeGen.CallMethod(CodeGen.GetThis(), name, parameters.ToArray());
}
return(returnExpression);
}
public CodeExpression GetReaderExpression(CodeExpression reader)
{
CodeExpression ret;
if (!String.IsNullOrEmpty(_termString))
{
ret = CodeGen.CallMethod(CodeGen.GetThis(), "RTS",
reader, CodeGen.GetEnum(StringEncoding), CodeGen.GetPrimitive(GeneralUtils.DecodeEscapedString(_termString)), CodeGen.GetPrimitive(!_notrequired));
}
else
{
ret = CodeGen.CallMethod(CodeGen.GetThis(), "RTS",
reader, CodeGen.GetEnum(StringEncoding), CodeGen.GetPrimitive(_termChar), CodeGen.GetPrimitive(!_notrequired));
}
return(ret);
}
public CodeExpression GetWriterExpression(CodeExpression writer, CodeExpression obj)
{
CodeExpression ret;
if (!String.IsNullOrEmpty(_termString))
{
ret = CodeGen.CallMethod(CodeGen.GetThis(), "WTS",
writer, CodeGen.GetEnum(StringEncoding), obj, CodeGen.GetPrimitive(GeneralUtils.DecodeEscapedString(_termString)));
}
else
{
ret = CodeGen.CallMethod(CodeGen.GetThis(), "WTS",
writer, CodeGen.GetEnum(StringEncoding), obj, CodeGen.GetPrimitive(_termChar)
);
}
return(ret);
}
public CodeExpression GetWriterExpression(CodeExpression writer, CodeExpression obj)
{
// No point doing anything if there is no length to write
if (_reference.IsValid())
{
if (StringEncoding == BinaryStringEncoding.ASCII)
{
return(CodeGen.CallMethod(writer, "Write", obj));
}
else
{
return(CodeGen.CallMethod(writer, "Write", obj, CodeGen.GetEnum(StringEncoding)));
}
}
else
{
return(CodeGen.CallMethod(writer, "Write", CodeGen.GetPrimitive(String.Empty)));
}
}
/// <summary>
/// Create expression to get the encoding of the string
/// </summary>
/// <returns>The expression to get the encoding</returns>
protected CodeExpression GetEncoding()
{
return(CodeGen.CallMethod(typeof(GeneralUtils), "GetEncodingFromType", CodeGen.GetEnum(StringEncoding)));
}
public override CodeMemberMethod GetPreSerializeMethod()
{
CodeMemberMethod method = base.GetPreSerializeMethod();
if (_reference.IsValid())
{
CodeExpression right;
if (_isByteLength)
{
right = CodeGen.CallMethod(CodeGen.GetThis(), "SBL", CodeGen.GetThisField(Name), CodeGen.GetEnum(StringEncoding));
}
else
{
right = CodeGen.GetProperty(CodeGen.GetThisField(Name), "Length");
}
EvalExpression lengthWrite = LengthWriteExpression;
if (lengthWrite.IsValid)
{
right = lengthWrite.GetEvalExpression(right);
}
else if (_adjustment != 0)
{
right = CodeGen.GetOperator(right, CodeBinaryOperatorType.Subtract, CodeGen.GetPrimitive(_adjustment));
}
if (_reference.GetTargetMember().BaseType is StringParserType)
{
right = CodeGen.CallMethod(right, "ToString");
}
else
{
right = CodeGen.GetCast(_reference.GetTargetMember().GetTypeReference(), right);
}
method.Statements.Add(CodeGen.GetAssign(CodeGen.GetField(CodeGen.GetThis(), _reference.GetNames()), right));
}
return(method);
}
