/afs/cern.ch/work/a/aaltunda/public/www/CMSSW_5_3_14/src/FWCore/MessageService/src/MessageServicePSetValidation.cc

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// -*- C++ -*-
//
// Package:     Services
// Class  :     MessageServicePSetValidation
//
// Implementation:
//     <Notes on implementation>
//
// Original Author:  M. Fischler
//         Created:  Wed May 20 2009
//
// Change log
//
//

// system include files

#include <algorithm>

// user include files

#include "FWCore/MessageService/interface/MessageServicePSetValidation.h"

using namespace edm;
using namespace edm::service;

namespace edm {
namespace service {

std::string
edm::service::MessageServicePSetValidation::
operator() (ParameterSet const & pset)
{
  messageLoggerPSet (pset); 
  return flaws.str();  
}  // operator() to validate the PSet passed in

void
edm::service::MessageServicePSetValidation::
messageLoggerPSet (ParameterSet const & pset) 
{
  // Four types of material are allowed at the MessageLogger level:
  //   PSet lists (such as destinations or categories
  //   Suppression lists, such as SuppressInfo or debugModules
  //   General parameters, such as threshold or messageSummaryToJobReport
  //   Nested PSets, such as those for each destination

  // PSet lists

  psetLists(pset);

  // Suppression lists

  suppressionLists(pset);

  // No other vstrings
  
  vStringsCheck(pset, "MessageLogger");
  
  // General Parameters
  
  check<bool> 
        ( pset, "MessageLogger", "messageSummaryToJobReport" );
  std::string dumps = check<std::string> 
        ( pset, "MessageLogger", "generate_preconfiguration_message" );
  std::string thresh = check<std::string> 
        ( pset, "MessageLogger", "threshold" );
  if (!thresh.empty()) validateThreshold(thresh, "MessageLogger");
  
  // Nested PSets

  destinationPSets(pset);
  defaultPSet(pset);
  statisticsPSets(pset);
  fwkJobReportPSets(pset);
  categoryPSets(pset, "MessageLogger");  

  // No other PSets -- unless they contain optionalPSet or placeholder=True 

  noOtherPsets (pset); 

  // Nothing else -- look for int, unsigned int, bool, float, double, string

  noneExcept <int> (pset, "MessageLogger", "int");
  noneExcept <unsigned int> (pset, "MessageLogger", "unsigned int");
  noneExcept <bool> (pset, "MessageLogger","bool","messageSummaryToJobReport");
        // Note - at this, the upper MessageLogger PSet level, the use of 
        // optionalPSet makes no sense, so we are OK letting that be a flaw
  noneExcept <float> (pset, "MessageLogger","float");
  noneExcept <double> (pset, "MessageLogger","double");
  noneExcept <std::string> (pset, "MessageLogger","string", 
                            "threshold", "generate_preconfiguration_message");

  // Append explanatory information if flaws were found
  
  if (!flaws.str().empty()) {
    flaws << "\nThe above are from MessageLogger configuration validation.\n"
    << "In most cases, these involve lines that the logger configuration code\n"
    << "would not process, but which the cfg creator obviously meant to have "
    << "effect.\n";
  }
     
} // messageLoggerPSet

void 
edm::service::MessageServicePSetValidation:: 
psetLists ( ParameterSet const & pset ) 
{
  destinations = check<vString>
        (pset, "MessageLogger", "destinations");
  noDuplicates(destinations,"MessageLogger", "destinations");
  noKeywords(destinations,"MessageLogger", "destinations");
  noNonPSetUsage(pset, destinations,"MessageLogger", "destinations");
  // REMOVED: noCoutCerrClash(destinations,"MessageLogger", "destinations");

  statistics = check<vString>
        (pset, "MessageLogger", "statistics");
  noDuplicates(statistics,"MessageLogger", "statistics");
  noKeywords(statistics,"MessageLogger", "statistics");
  noNonPSetUsage(pset, statistics,"MessageLogger", "statistics");

  fwkJobReports = check<vString>
        (pset, "MessageLogger", "fwkJobReports");
  noDuplicates(fwkJobReports,"MessageLogger", "fwkJobReports");
  noKeywords(fwkJobReports,"MessageLogger", "fwkJobReports");
  noNonPSetUsage(pset, fwkJobReports,"MessageLogger", "fwkJobReports");
  noDuplicates(fwkJobReports,destinations,
                "MessageLogger", "fwkJobReports","destinations");
  noDuplicates(fwkJobReports,statistics,
                "MessageLogger", "fwkJobReports","statistics");

  categories = check<vString>
        (pset, "MessageLogger", "categories");
  noDuplicates(categories,"MessageLogger", "categories");
  noKeywords(categories,"MessageLogger", "categories");
  noNonPSetUsage(pset, categories,"MessageLogger", "categories");
  noDuplicates(categories,destinations,
                "MessageLogger", "categories","destinations");
  noDuplicates(categories,statistics,
                "MessageLogger", "categories","statistics");
  noDuplicates(categories,fwkJobReports,
                "MessageLogger", "categories","fwkJobReports");

  messageIDs = check<vString>
        (pset, "MessageLogger", "messageIDs");
  noDuplicates(messageIDs,"MessageLogger", "messageIDs");
  noKeywords(messageIDs,"MessageLogger", "messageIDs");
  noNonPSetUsage(pset, messageIDs,"MessageLogger", "messageIDs");
  noDuplicates(messageIDs,destinations,
                "MessageLogger", "messageIDs","destinations");
  noDuplicates(messageIDs,statistics,
                "MessageLogger", "messageIDs","statistics");
  noDuplicates(messageIDs,fwkJobReports,
                "MessageLogger", "messageIDs","fwkJobReports");
  noDuplicates(messageIDs,fwkJobReports,
                "MessageLogger", "messageIDs","categories");

} // psetLists

void 
edm::service::MessageServicePSetValidation:: 
suppressionLists ( ParameterSet const & pset ) 
{
  debugModules = check<vString>
        (pset, "MessageLogger", "debugModules");
  bool dmStar = wildcard(debugModules);
  if ( dmStar && debugModules.size() != 1) {
    flaws << "MessageLogger" << " PSet: \n"
          << "debugModules contains wildcard character *" 
          << " and also " << debugModules.size()-1 
          << " other entries - * must be alone\n";
  } 
  suppressDebug = check<vString>
        (pset, "MessageLogger", "suppressDebug");
  if ( (suppressDebug.size() > 0)  && (!dmStar) ) {
    flaws << "MessageLogger" << " PSet: \n"
          << "suppressDebug contains modules, but debugModules is not *\n"
          << "Unless all the debugModules are enabled,\n"
          << "suppressing specific modules is meaningless\n";  
  }
  if (wildcard(suppressDebug)) {
    flaws << "MessageLogger" << " PSet: \n"
          << "Use of wildcard (*) in suppressDebug is not supported\n"
          << "By default, LogDebug is suppressed for all modules\n";
  }
  suppressInfo = check<vString>
        (pset, "MessageLogger", "suppressInfo");
  if (wildcard(suppressInfo)) {
    flaws << "MessageLogger" << " PSet: \n"
          << "Use of wildcard (*) in suppressInfo is not supported\n";
  }
  suppressWarning = check<vString>
        (pset, "MessageLogger", "suppressWarning");
  if (wildcard(suppressWarning)) {
    flaws << "MessageLogger" << " PSet: \n"
          << "Use of wildcard (*) in suppressWarning is not supported\n";
  }
  suppressError = check<vString>
        (pset, "MessageLogger", "suppressError");
  if (wildcard(suppressError)) {
    flaws << "MessageLogger" << " PSet: \n"
          << "Use of wildcard (*) in suppressError is not supported\n";
  }

} // suppressionLists


void 
edm::service::MessageServicePSetValidation:: 
vStringsCheck ( ParameterSet const & pset,std::string const & /*psetName*/ ) 
{
  vString vStrings = pset.getParameterNamesForType <vString> (false); 
  vString::const_iterator end = vStrings.end();
  for ( vString::const_iterator i = vStrings.begin(); i != end; ++i ) {
    if ( !allowedVstring(*i) ) {
      flaws << "MessageLogger" << " PSet: \n"
            << (*i) << " is used as a vstring, "
            << "but no such vstring is recognized\n"; 
    }
  }
  vStrings = pset.getParameterNamesForType <vString> (true); 
  end = vStrings.end();
  for ( vString::const_iterator i = vStrings.begin(); i != end; ++i ) {
      flaws << "MessageLogger" << " PSet: \n"
            << (*i) << " is used as a tracked vstring: "
            << "tracked parameters not allowed here\n"; 
  }
} // vStringsCheck

bool 
edm::service::MessageServicePSetValidation:: 
allowedVstring (std::string const & s)
{
  if (s == "destinations")      return true;
  if (s == "statistics")        return true;
  if (s == "destinations")      return true;
  if (s == "fwkJobReports")     return true;
  if (s == "categories")        return true;
  if (s == "messageIDs")        return true;
  if (s == "debugModules")      return true;
  if (s == "suppressInfo")      return true;
  if (s == "suppressDebug")     return true;
  if (s == "suppressWarning")   return true;
  if (s == "suppressError")     return true;
  return false;
}  // allowedVstring



bool 
edm::service::MessageServicePSetValidation::  
validateThreshold (std::string const & thresh, std::string const & psetName)
{
  if (checkThreshold(thresh)) return true;
  flaws << psetName << " PSet: \n"
        << "threshold has value " << thresh 
        << " which is not among {DEBUG, INFO, WARNING, ERROR}\n";
  return false;
} // validateThreshold

bool 
edm::service::MessageServicePSetValidation::  
checkThreshold (std::string const & thresh)
{
  if (thresh == "WARNING")      return true;
  if (thresh == "INFO")         return true;
  if (thresh == "ERROR")        return true;
  if (thresh == "DEBUG")        return true;
  return false;
}  

void
edm::service::MessageServicePSetValidation::  
noDuplicates(vString const & v, std::string const & psetName,
             std::string  const & parameterLabel ) 
{
  vString::const_iterator end = v.end();
  for (vString::const_iterator i = v.begin(); i != end; ++i) {
    for (vString::const_iterator j = i+1; j != end; ++j)       {
      if ( *i == *j ) {
        flaws << psetName << " PSet: \n"
              << "in vString " << parameterLabel
              << " duplication of the string " << *i << "\n";
      }
    }
  }
} // noDuplicates(v)

void
edm::service::MessageServicePSetValidation::  
noDuplicates(vString const & v1, vString const & v2, 
             std::string const & psetName,
             std::string  const & p1, std::string  const & p2 )
{
  vString::const_iterator end1 = v1.end();
  vString::const_iterator end2 = v2.end();
  for (vString::const_iterator i = v1.begin(); i != end1; ++i) {
    for (vString::const_iterator j = v2.begin(); j != end2; ++j) {
      if ( *i == *j ) {
        flaws << psetName << " PSet: \n"
              << "in vStrings " << p1 << " and " << p2
              << " duplication of the string " << *i << "\n";
      }
    }
  }
} // noDuplicates(v1,v2)

void
edm::service::MessageServicePSetValidation::  
noCoutCerrClash(vString const & v, std::string const & psetName,
                std::string  const & parameterLabel ) 
{
  vString::const_iterator end = v.end();
  bool coutPresent = false;
  bool cerrPresent = false;
  for (vString::const_iterator i = v.begin(); i != end; ++i) {
    if ( *i == "cout" ) coutPresent = true;
    if ( *i == "cerr" ) cerrPresent = true;
  }
  if (coutPresent && cerrPresent) {
        flaws << psetName << " PSet: \n"
              << "vString " << parameterLabel
              << " has both cout and cerr \n";
  }
} // noCoutCerrClash(v)

void
edm::service::MessageServicePSetValidation::  
noKeywords(vString const & v, std::string const & psetName,
           std::string  const & parameterLabel ) 
{
  vString::const_iterator end = v.end();
  for (vString::const_iterator i = v.begin(); i != end; ++i) {
     if (!keywordCheck(*i)) {
        flaws << psetName << " PSet: \n"
              << "vString " << parameterLabel
              << " should not contain the keyword " << *i << "\n";
     }
  }
} // noKeywords(v)

bool
edm::service::MessageServicePSetValidation::  
keywordCheck(std::string const & word)
{
  if (word == "default")        return false;
  if (word == "categories")     return false;
  if (word == "messageIDs")     return false;
  if (word == "fwkJobReports")  return false;
  if (word == "destinations")   return false;
  if (word == "statistics")     return false;
  if (word == "debugModules")   return false;
  if (word == "suppressInfo")   return false;
  if (word == "suppressDebug")  return false;
  if (word == "suppressWarning")return false;
  if (word == "suppressError")  return false;
  if (word == "threshold")      return false;
  if (word == "ERROR")          return false;
  if (word == "WARNING")        return false;
  if (word == "INFO")           return false;
  if (word == "DEBUG")          return false;
  if (word == "placeholder")    return false;
  if (word == "limit")          return false;
  if (word == "reportEvery")    return false;
  if (word == "timespan")       return false;
  if (word == "noLineBreaks")   return false;
  if (word == "lineLength")     return false;
  if (word == "noTimeStamps")   return false;
  if (word == "output")         return false;
  if (word == "filename")       return false;
  if (word == "extension")      return false;
  if (word == "reset")          return false;
  if (word == "optionalPSet")   return false;
  return true;
} // keywordCheck

void
edm::service::MessageServicePSetValidation::  
noNonPSetUsage(ParameterSet const & pset ,
               vString const & v, std::string const & psetName,
               std::string  const & parameterLabel ) 
{
  disallowedParam <int> ( pset, v, psetName, parameterLabel, "int" );
  disallowedParam <unsigned int> ( pset, v, psetName, parameterLabel, "uint" );
  disallowedParam <bool> ( pset, v, psetName, parameterLabel, "bool" );
  disallowedParam <float> ( pset, v, psetName, parameterLabel, "float" );
  disallowedParam <double> ( pset, v, psetName, parameterLabel, "double" );
  disallowedParam <std::string> ( pset, v, psetName, parameterLabel, "string" );
  disallowedParam <std::vector<std::string> > 
        ( pset, v, psetName, parameterLabel, "vstring" );
} // noNonPSetUsage

void 
edm::service::MessageServicePSetValidation::  
noBadParams(vString const & v, vString const & params, 
            std::string const & psetName, 
            std::string const & parameterLabel, 
            std::string const & type)
{
  vString::const_iterator end1 = v.end();
  vString::const_iterator end2 = params.end();
  for (vString::const_iterator i = v.begin(); i != end1; ++i) {
    for (vString::const_iterator j = params.begin(); j != end2; ++j) {
      if ( *i == *j ) {
        flaws << psetName << " PSet: \n"
              << *i << " (listed in vstring " << parameterLabel << ")\n"
              << "is used as a parameter of type " << type
              << " instead of as a PSet \n"; 
      }
    }
  }

} // noBadParams
 
bool
edm::service::MessageServicePSetValidation::  
wildcard(vString const & v) 
{
  vString::const_iterator end = v.end();
  for (vString::const_iterator i = v.begin(); i != end; ++i) {
    if ((*i) == "*") return true;
  }
  return false;
}

void
edm::service::MessageServicePSetValidation::  
noOtherPsets(ParameterSet const & pset)
{
  vString psnames;
  pset.getParameterSetNames(psnames, false);
  vString::const_iterator end = psnames.end();
  for (vString::const_iterator i = psnames.begin(); i != end; ++i) {
    if ( lookForMatch (destinations, *i) )      continue;
    if ( lookForMatch (statistics, *i) )        continue;
    if ( lookForMatch (fwkJobReports, *i) )     continue;
    if ( lookForMatch (categories, *i) )        continue;
    if ( lookForMatch (messageIDs, *i) )        continue;
    if ( (*i) == "default" )                    continue;
    ParameterSet empty_PSet;
    bool ok_optionalPSet = false; 
    try {
      ParameterSet const& culprit = 
                    pset.getUntrackedParameterSet((*i),empty_PSet);
      ok_optionalPSet = 
          culprit.getUntrackedParameter<bool>("placeholder",  ok_optionalPSet);
      ok_optionalPSet = 
          culprit.getUntrackedParameter<bool>("optionalPSet", ok_optionalPSet);
    } catch (cms::Exception& e) { 
    }
    if (ok_optionalPSet) continue; 
    flaws << "MessageLogger " << " PSet: \n"
          << *i << " is an unrecognized name for a PSet\n";
  }
  psnames.clear();
  unsigned int n = pset.getParameterSetNames(psnames, true);
  if ( n > 0 ) {
    end = psnames.end();
    for (vString::const_iterator i = psnames.begin(); i != end; ++i) {
      flaws << "MessageLogger " << " PSet: \n"
            << "PSet " << *i << " is tracked - not allowed\n";
    }
  }
}

bool
edm::service::MessageServicePSetValidation::  
lookForMatch(vString const & v, std::string const & s)
{
  vString::const_iterator begin = v.begin();
  vString::const_iterator end = v.end();
  return ( std::find(begin, end, s) != end );
}

void
edm::service::MessageServicePSetValidation::  
destinationPSets(ParameterSet const & pset)
{
  ParameterSet empty_PSet;
  std::vector<std::string>::const_iterator end = destinations.end();
  for ( std::vector<std::string>::const_iterator i = destinations.begin();
                                                             i != end; ++i )  {
    ParameterSet const& d = pset.getUntrackedParameterSet(*i,empty_PSet);
    destinationPSet(d,*i); 
  }
} // destinationPSets

void
edm::service::MessageServicePSetValidation::  
destinationPSet(ParameterSet const & pset, std::string const & psetName)
{
  // Category PSets

  categoryPSets (pset, psetName);
     
  // No other PSets -- unless they contain optionalPSet or placeholder=True 
  
  noNoncategoryPsets (pset, psetName);
  
  // General parameters
  
  check <bool> ( pset, psetName, "placeholder" );
  std::string thresh = check<std::string> ( pset, "psetName", "threshold" );
  if (!thresh.empty()) validateThreshold(thresh, psetName);
  check <bool> ( pset, psetName, "noLineBreaks" );
  check <int>  ( pset, psetName, "lineLength" );
  check <bool> ( pset, psetName, "noTimeStamps" );
  std::string s = check<std::string> ( pset, "psetName", "filename" );
  if ( (s == "cerr") || (s == "cout") ) {
    flaws << psetName << " PSet: \n"
          << s << " is not allowed as a value of filename \n";
  }
  s = check<std::string> ( pset, "psetName", "extension" );
  if ( (s == "cerr") || (s == "cout") ) {
    flaws << psetName << " PSet: \n"
         << s << " is not allowed as a value of extension \n";
  }
  s = check<std::string> ( pset, "psetName", "output" );  
  
  // No other parameters

  noneExcept <int> (pset, psetName, "int", "lineLength"); 

  vString okbool;
  okbool.push_back ("placeholder");
  okbool.push_back ("optionalPSet");
  okbool.push_back ("noLineBreaks");
  okbool.push_back ("noTimeStamps");
  noneExcept <bool> (pset, psetName, "bool", okbool);   
  vString okstring;
  okstring.push_back ("threshold");
  okstring.push_back ("output");
  okstring.push_back ("filename");
  okstring.push_back ("extension");
  noneExcept <std::string> (pset, psetName, "string", okstring);   
  
} // destinationPSet

void
edm::service::MessageServicePSetValidation::  
defaultPSet(ParameterSet const & main_pset)
{
  ParameterSet empty_PSet;
  ParameterSet const& pset = main_pset.getUntrackedParameterSet("default",empty_PSet);
  std::string psetName = "default (at MessageLogger main level)";
  
  // Category PSets

  categoryPSets (pset, psetName);
     
  // No other PSets -- unless they contain optionalPSet or placeholder=True 
  
  noNoncategoryPsets (pset, psetName);
  
  // Parameters applying to the default category
  
  catInts ( pset, psetName, "default" );

  // General parameters
  
  check <bool> ( pset, psetName, "placeholder" );
  std::string thresh = check<std::string> ( pset, "psetName", "threshold" );
  if (!thresh.empty()) validateThreshold(thresh, psetName);
  check <bool> ( pset, psetName, "noLineBreaks" );
  check <int>  ( pset, psetName, "limit" );   
  check <int>  ( pset, psetName, "reportEvery" );   
  check <int>  ( pset, psetName, "timespan" );   
  check <int>  ( pset, psetName, "lineLength" );   
  check <bool> ( pset, psetName, "noTimeStamps" );
  
  // No other parameters
  vString okint;
  okint.push_back("limit");
  okint.push_back("reportEvery");
  okint.push_back("timespan");
  okint.push_back("lineLength");
  noneExcept <int> (pset, psetName, "int", okint); 
  vString okbool;
  okbool.push_back ("placeholder");
  okbool.push_back ("optionalPSet");
  okbool.push_back ("noLineBreaks");
  okbool.push_back ("noTimeStamps");
  noneExcept <bool> (pset, psetName, "bool", okbool);   
  vString okstring;
  okstring.push_back ("threshold");
  noneExcept <std::string> (pset, psetName, "string", okstring);   
  
} // defaultPSet

void
edm::service::MessageServicePSetValidation::  
statisticsPSets(ParameterSet const & pset)
{
  ParameterSet empty_PSet;
  std::vector<std::string>::const_iterator end = statistics.end();
  for ( std::vector<std::string>::const_iterator i = statistics.begin();
                                                             i != end; ++i )  {
    if (lookForMatch(destinations, *i)) continue; 
    ParameterSet const& d = pset.getUntrackedParameterSet(*i, empty_PSet);
    statisticsPSet(d,*i); 
  }
} // statisticsPSets

void
edm::service::MessageServicePSetValidation::  
statisticsPSet(ParameterSet const & pset, std::string const & psetName)
{
  // Category PSets
  
  categoryPSets (pset, psetName);
     
  // No other PSets -- unless they contain optionalPSet or placeholder=True 
  
  noNoncategoryPsets (pset, psetName);
  
  // General parameters
  
  std::string thresh = check<std::string> ( pset, "psetName", "threshold" );
  if (!thresh.empty()) validateThreshold(thresh, psetName);
  check <bool> ( pset, psetName, "placeholder" );
  check <bool> ( pset, psetName, "reset" );
  std::string s = check<std::string> ( pset, "psetName", "filename" );
  if ( (s == "cerr") || (s == "cout") ) {
    flaws << psetName << " PSet: \n"
          << s << " is not allowed as a value of filename \n";
  }
  s = check<std::string> ( pset, "psetName", "extension" );
  if ( (s == "cerr") || (s == "cout") ) {
    flaws << psetName << " PSet: \n"
         << s << " is not allowed as a value of extension \n";
  }
  s = check<std::string> ( pset, "psetName", "output" );  
  
  // No other parameters

  noneExcept <int> (pset, psetName, "int"); 

  vString okbool;
  okbool.push_back ("placeholder");
  okbool.push_back ("optionalPSet");
  okbool.push_back ("reset");
  noneExcept <bool> (pset, psetName, "bool", okbool);   
  vString okstring;
  okstring.push_back ("output");
  okstring.push_back ("filename");
  okstring.push_back ("extension");
  okstring.push_back ("threshold");
  noneExcept <std::string> (pset, psetName, "string", okstring);   
  
} // statisticsPSet

void
edm::service::MessageServicePSetValidation::  
fwkJobReportPSets(ParameterSet const & pset)
{
  ParameterSet empty_PSet;
  std::vector<std::string>::const_iterator end = fwkJobReports.end();
  for ( std::vector<std::string>::const_iterator i = fwkJobReports.begin();
                                                             i != end; ++i )  {
    ParameterSet const& d = pset.getUntrackedParameterSet(*i, empty_PSet);
    fwkJobReportPSet(d,*i); 
  }
} // fwkJobReportPSets

void
edm::service::MessageServicePSetValidation::  
fwkJobReportPSet(ParameterSet const & pset, std::string const & psetName)
{
  // Category PSets
  
  categoryPSets (pset, psetName);
     
  // No other PSets -- unless they contain optionalPSet or placeholder=True 
  
  noNoncategoryPsets (pset, psetName);
  
  // General parameters
  
  check <bool> ( pset, psetName, "placeholder" );
  std::string s = check<std::string> ( pset, "psetName", "filename" );
  if ( (s == "cerr") || (s == "cout") ) {
    flaws << psetName << " PSet: \n"
          << s << " is not allowed as a value of filename \n";
  }
  s = check<std::string> ( pset, "psetName", "extension" );
  if ( (s == "cerr") || (s == "cout") ) {
    flaws << psetName << " PSet: \n"
         << s << " is not allowed as a value of extension \n";
  }
  s = check<std::string> ( pset, "psetName", "output" );  
    
  // No other parameters

  noneExcept <int> (pset, psetName, "int"); 

  vString okbool;
  okbool.push_back ("placeholder");
  okbool.push_back ("optionalPSet");
  noneExcept <bool> (pset, psetName, "bool", okbool);   
  vString okstring;
  okstring.push_back ("output");
  okstring.push_back ("filename");
  okstring.push_back ("extension");
  noneExcept <std::string> (pset, psetName, "string", okstring);   
  
} // fwkJobReportPSet

void
edm::service::MessageServicePSetValidation::  
noNoncategoryPsets(ParameterSet const & pset,std::string const & psetName)
{
  vString psnames;
  pset.getParameterSetNames(psnames, false);
  vString::const_iterator end = psnames.end();
  for (vString::const_iterator i = psnames.begin(); i != end; ++i) {
    if ( lookForMatch (categories, *i) )        continue;
    if ( lookForMatch (messageIDs, *i) )        continue;
    if ( (*i) == "default" )                    continue;
    if ( (*i) == "ERROR" )                      continue;
    if ( (*i) == "WARNING" )                    continue;
    if ( (*i) == "INFO" )                       continue;
    if ( (*i) == "DEBUG" )                      continue;
    ParameterSet empty_PSet;
    bool ok_optionalPSet = false; 
    try {
      ParameterSet const& culprit = 
                    pset.getUntrackedParameterSet((*i),empty_PSet);
      ok_optionalPSet = 
          culprit.getUntrackedParameter<bool>("placeholder",  ok_optionalPSet);
      ok_optionalPSet = 
          culprit.getUntrackedParameter<bool>("optionalPSet", ok_optionalPSet);
    } catch (cms::Exception& e) { 
    }
    if (ok_optionalPSet) continue; 
    flaws << psetName << " PSet: \n"
          << *i << " is an unrecognized name for a PSet in this context \n";
  }
  psnames.clear();
  unsigned int n = pset.getParameterSetNames(psnames, true);
  if ( n > 0 ) {
    end = psnames.end();
    for (vString::const_iterator i = psnames.begin(); i != end; ++i) {
      flaws << psetName << " PSet: \n"
            << "PSet " << *i << " is tracked - not allowed\n";
    }
  }
} // noNoncategoryPsets

void
edm::service::MessageServicePSetValidation::  
categoryPSets(ParameterSet const & pset, std::string const & psetName ) 
{
  categoryPSet (pset, psetName, "ERROR"  );
  categoryPSet (pset, psetName, "WARNING");
  categoryPSet (pset, psetName, "INFO"   ) ;
  categoryPSet (pset, psetName, "DEBUG"  );
  if (psetName != "MessageLogger") categoryPSet (pset, psetName, "default");
  // The above conditional is because default in the main level is treated
  // as a set of defaults differnt from those of a simple category. 
  std::vector<std::string>::const_iterator end = categories.end();
  for (std::vector<std::string>::const_iterator i = categories.begin(); 
       i != end; ++i) {
    categoryPSet(pset, psetName, *i);
  }
} // categoryPSets            

void
edm::service::MessageServicePSetValidation::  
categoryPSet (ParameterSet const & pset,
              std::string const & OuterPsetName,
              std::string const & categoryName)  {
  if (pset.existsAs<ParameterSet> (categoryName, true)) {
      flaws << OuterPsetName << " PSet: \n"
            << "Category PSet " << categoryName 
            << " is tracked - not allowed\n";
      return;  
  }
  ParameterSet empty_PSet;
  ParameterSet const& c = pset.getUntrackedParameterSet(categoryName,empty_PSet);
  std::string const & psetName(OuterPsetName);
  catInts                       ( c, psetName, categoryName );
  catNone <unsigned int>        ( c, psetName, categoryName, "unsigned int" );
  catBoolRestriction            ( c, psetName, categoryName, "bool" );
  catNone <float>               ( c, psetName, categoryName, "float" );
  catNone <double>              ( c, psetName, categoryName, "double" );
  catNone <std::string>         ( c, psetName, categoryName, "string" );
  catNone <vString>             ( c, psetName, categoryName, "vSting" );
  catNoPSets                    ( c, psetName, categoryName );
} // categoryPSet             

void
edm::service::MessageServicePSetValidation::  
catInts (ParameterSet const & pset, 
        std::string  const & psetName, 
        std::string  const & categoryName)  
{
  vString x = pset.getParameterNamesForType <int> (false);
  vString::const_iterator end = x.end();
  for ( vString::const_iterator i = x.begin(); i != end; ++i ) {
    if ( *i == "limit" ) continue;
    if ( *i == "reportEvery" ) continue;
    if ( *i == "timespan" ) continue;
    flaws << categoryName << " category PSet nested in "
          << psetName << " PSet: \n"
          << (*i) << " is not an allowed parameter within a category PSet \n";
  }
  x = pset.getParameterNamesForType <int> (true);
  end = x.end();
  for ( vString::const_iterator i = x.begin(); i != end; ++i ) {
    flaws << categoryName << " category PSet nested in "
          << psetName << " PSet: \n"
          << (*i) << " is used as a tracked int \n"
          << "Tracked parameters not allowed here \n";
  }
} // catInts()

void
edm::service::MessageServicePSetValidation::  
catNoPSets (ParameterSet const & pset, 
        std::string  const & psetName, 
        std::string  const & categoryName)  
{
  vString psnames;
  pset.getParameterSetNames(psnames, false);
  vString::const_iterator end = psnames.end();
  for (vString::const_iterator i = psnames.begin(); i != end; ++i) {
    flaws << categoryName << " category PSet nested in "
          << psetName << " PSet: \n"
          << *i << " is used as a  PSet\n"
          << "PSets not allowed within a category PSet\n";
  }
  psnames.clear();
  unsigned int n = pset.getParameterSetNames(psnames, true);
  if ( n > 0 ) {
    end = psnames.end();
    for (vString::const_iterator i = psnames.begin(); i != end; ++i) {
    flaws << categoryName << " category PSet nested in "
          << psetName << " PSet: \n"
          << *i << " is used as a tracked PSet\n"
          << "tracked parameters not permitted, and "
          << "PSets not allowed within a category PSet\n";
    }
  }
} // catNoPSets

void
edm::service::MessageServicePSetValidation::  
catBoolRestriction (ParameterSet const & pset, 
                    std::string  const & psetName, 
                    std::string  const & categoryName,
                    std::string  const & type)  
{
  vString x = pset.getParameterNamesForType <bool> (false);
  vString::const_iterator end = x.end();
  for ( vString::const_iterator i = x.begin(); i != end; ++i ) {
    if ( ((*i) == "placeholder") || ((*i) == "optionalPSet") ) continue;
    flaws << categoryName << " category PSet nested in "
          << psetName << " PSet: \n"
          << (*i) << " is used as a " << type << "\n"
          << "Usage of " << type << " is not recognized here\n"; 
  }
  x = pset.getParameterNamesForType <bool> (true);
  end = x.end();
  for ( vString::const_iterator i = x.begin(); i != end; ++i ) {
    flaws << categoryName << " category PSet nested in "
          << psetName << " PSet: \n"
          << (*i) << " is used as a tracked " << type << "\n"
          << "Tracked parameters not allowed here, "
          <<" and even untracked it would not be recognized\n";
  }
} // catBoolRestriction()


} // end of namespace service  
} // end of namespace edm