Question

Suppose i have input array byte A[50];

i have put three diffrent data types values in array as below

string of length 42 bytes(converted into binary)
long with length 4 bytes(converted into binary)
float with length of 4 bytes(converted into binary)

Now i have defined a schema like as below

    <schemaforparsing>
          <field>
                <name>fieldname1</name>
                <type>string</type>
                <length>42</length>
          </field>

         <field>
               <name>fieldname2</name>
               <type>long</type>
               <length>4</length>
         </field>

         <field>
              <name>fieldname3</name>
               <type>float</type>
              <length>4</length>
         </field>
    </schemaforparsing>

i want to parse this bytes array in to an user defined object. Userdefined object s class should be generated from specified schema.like in this case class will be as below

      classGenerated
      {
           String fieldname1[42];
           long fieldname2;
           float fiedlname3;
      }

So basically i want a component which will take input of a schema and based upon that schema, after parsing binary data in array it will generate object of class related to transaction schema.

Does dot net 3.5 platform provides such a component?

Answer 1

Well, it sounds like you basically want binary serialization of some form.

Normal built-in .NET serialization works with existing classes rather than a template, but personally I m not terribly keen on it.

If you want template-generated classes, I can recommend Protocol Buffers - portable, compact, efficient to serialize/deserialize. There are two main C# ports - my own, and Marc Gravell s one. Of course, there are other binary serialization formats around as well... protobuf is just the one I m most familiar with.

Answer 2

Without context this is a difficult question to answer - what do you want to do with the "user defined" object?

If you need to be able to create objects at runtime with dynamic fields, a possible solution is to wait until c# 4 s dynamic type and deserialize into the ExpandoObject, see ExpandoObject.

Answer 3

(Edited)There is no such component in the framework besides the usual binary serializer which uses its own "schema". It might not be too hard to implement yourself. I suppose the schema tells you something like this:

first there are 42 bytes to be interpreted as string, assign to field fieldname1
second there are 4 bytes to be interpreted as long, assign to field fieldname2
...

Shouldn t be too hard.

友情链接