Re: [Quickfix-developers] Field name to number conversion - more info

[George H. <ge...@so...>]

Hello again everyone,

Here is some more info on what I am trying to do:

Let's say I have a file called: fixfields.cfg

In the file I have:

OrderQty
Symbol
Price
ClOrdID
Side

Currently, from: "Application::onMessage" function, I do:

     FIX::Symbol symbol;
     FIX::Side side;
     FIX::OrderQty orderQty;
     FIX::Price price;
     FIX::ClOrdID clOrdID;

     ...
     ...

     message.get( symbol );
     message.get( side );
     message.get( orderQty );
     message.get( price );
     message.get( clOrdID );

I am sure you recognize this as the sample executor application.

What I want to do is:

	message.get( "symbol_1_from_file" );
	message.get( "symbol_2_from_file" );
	message.get( "symbol_3_from_file" );
	...
	...

You see, what I want to do is "message.get" for the fields I read in  
from the config file.
This way the fields are not hard coded in the app.

The question is, is there a way to get the field, as a string, and  
then find the appropriate enum?

I hope this makes more sense.

Also, and this is a big one, I am a "C" programmer. I am relatively  
new to "C++". So, please bear with me.

-George

On Aug 14, 2008, at 5:34 PM, George Hrysanthopoulos wrote:

> QuickFIX Documentation: http://www.quickfixengine.org/quickfix/doc/html/index.html
> QuickFIX Support: http://www.quickfixengine.org/services.html
>
> Hello everyone,
>
> During runtime I want to read a file, with field names, and when a
> deal comes in, just print to screen
> the fields I am interested in (for starters).
>
> However, I see that the field names are enum'ed from file:
> FieldNumbers.h
>
> How do I generate a field number from a string? Is there a built-in
> way of doing this
> or do I have to (somehow) keep a copy of "FieldNumbers.h" in my
> executable?
>
> Or, worst case, keep the fields I am interested in as numbers in the
> setup file?
> This is not at all user friendly and I would like to avoid that.
>
> -G
>
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