Parsing a string fix message.

[Mounika Allagadda]

Hi,

I have a fix message as a string.

Can someone please explain me how to get each field  from the string?

Thanks,

Mounika

[wengheng]

quickfix (c++) or quickfixj (java) should help.

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[Mounika Allagadda]

Can you please tell me the usage?

For example:

string fix_msg = "35=A|52=20160503-10:15:08.000|108=30|553=MDF_F";

how to get the value of 108?

Thanks,

Mounika

[vikram patil]

Using QuickFix(c++) you can handle fix communication. Once quickfix message crack by framework, you can use setField/getField to set/retrieve fields.

[Mounika Allagadda]

Hi,

I want to access the fields separately.

I got the solution now by splitting the string. :)

vector<string> tagValue, tagValuePairs;

std::map<std::string,std::string> fix_msg_map;

split(&tagValuePairs, decoded_message, '|');

  for(size_t i = 0; i < tagValuePairs.size(); i++) {

    if (tagValuePairs[i].empty()) { continue; }

    split(&tagValue, tagValuePairs[i], '=');

  }

  for(size_t i = 0; i < tagValue.size(); i=i+2) {

    (fix_msg_map).insert(pair<string, string>(tagValue[i],tagValue[i+1]));

  }

-Mounika

[Chris Aseltine]

This won't work for repeated groups or where the FIX value contains the '=' character.  And the performance is going to be abysmal.

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