GetVldContext.cxx

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#include "GetVldContext.h"
#include <MinosObjectMap/MomNavigator.h>
#include <Record/RecMinos.h>
#include <Record/RecMinosHdr.h>
#include <Record/RecRecord.h>
#include <Record/RecHeader.h>
#include <DataUtil/GetTempTags.h>
#include <Util/UtilString.h>

#include <MessageService/MsgService.h>
CVSID("$Id: GetVldContext.cxx,v 1.4 2010/01/15 22:04:33 rhatcher Exp $");

#include <TIterator.h>

#include <string>
#include <map>
using namespace std;


vector<VldContext> DataUtil::GetVldContext(const MomNavigator* mom,
                                           const char* filter)
{
    static const char* last_filter = 0; // slight optimization
    static bool include = true;
    static map<string,int> filt;    

    if (filter && filter[0] && filter != last_filter) {
        last_filter = filter;
        filt.clear();

        if (filter[0] == '!') {
            include = false;
            ++filter;
        }

        std::vector<string> toklist;
        UtilString::StringTok(toklist,filter,",:;");
        for ( size_t i = 0; i < toklist.size(); ++i ) {
          std::string& item = toklist[i];
          filt[item] = 1;
          MSG("GetVldContext",Msg::kDebug) 
            << "filter by "
            << (include ? "including " : "excluding ")
            << item << endl;
        }
    }

    vector<VldContext> ret;
    if (!mom) return ret;

    TIter fiter(mom->GetFragmentArray());
    TObject* fragment = 0;
    while ((fragment = fiter())) {
        if (!fragment) continue;

        if (filter) {
            string classname  = fragment->ClassName();
            TNamed* named = dynamic_cast<TNamed*>(fragment);
            string username   = (named) ? named->GetName() : "<no-name>";
            string streamname = DataUtil::GetTempTagString(fragment,"stream");
            int found = filt[classname] || filt[username] || filt[streamname];
            if (found && !include) {
                MSG("GetVldContext",Msg::kDebug) 
                  << "excluding " << classname << "," << username
                  << "," << streamname << endl;
                continue;
            }
            if (!found && include) {
                MSG("GetVldContext",Msg::kDebug)
                  << "excluding " << classname << "," << username
                  << "," << streamname << endl;
                continue;
            }
        }

        if (RecMinos* rec = dynamic_cast<RecMinos*>(fragment)) {
            ret.push_back(rec->GetHeader()->GetVldContext());
        }
        else if (RecRecord* rec  = dynamic_cast<RecRecord*>(fragment)) {
            ret.push_back(rec->GetHeader().GetVldContext());
        }
    }
    return ret;
}

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