In This Package:

Level.cc

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#include "Level.hh"
#include <map>
#include <vector>
#include <iostream>
#include <cstring>
#include <cstdio>

using namespace Logging;
using std::string;
using std::map;


typedef std::vector< std::pair<Level,string> > SynonymTable_t;

SynonymTable_t& GetSynonymTable()
{
  static SynonymTable_t sTable;
  static bool first = true;
  if(first) {
    first = false;

    // Names with a 'k'
    sTable.push_back(std::pair<Level,string>(kVerbose   ,"kVerbose"));
    sTable.push_back(std::pair<Level,string>(kDebug3    ,"kDebug3"));
    sTable.push_back(std::pair<Level,string>(kDebug2    ,"kDebug2"));
    sTable.push_back(std::pair<Level,string>(kDebug1    ,"kDebug1"));
    sTable.push_back(std::pair<Level,string>(kMonitor   ,"kMonitor"));
    sTable.push_back(std::pair<Level,string>(kInfo      ,"kInfo"));
    sTable.push_back(std::pair<Level,string>(kWarning   ,"kWarning"));
    sTable.push_back(std::pair<Level,string>(kError     ,"kError"));
    sTable.push_back(std::pair<Level,string>(kFatal     ,"kFatal"));
    sTable.push_back(std::pair<Level,string>(kNever     ,"kNever"));
    sTable.push_back(std::pair<Level,string>(kDefault   ,"kDefault"));
    sTable.push_back(std::pair<Level,string>(kEverything,"kEverything")); 
    sTable.push_back(std::pair<Level,string>(kOff       ,"kOff"));

    // Names without a 'k;
    sTable.push_back(std::pair<Level,string>(kVerbose   ,"Verbose"));
    sTable.push_back(std::pair<Level,string>(kDebug3    ,"Debug3"));
    sTable.push_back(std::pair<Level,string>(kDebug2    ,"Debug2"));
    sTable.push_back(std::pair<Level,string>(kDebug1    ,"Debug1"));
    sTable.push_back(std::pair<Level,string>(kMonitor   ,"Monitor"));
    sTable.push_back(std::pair<Level,string>(kInfo      ,"Info"));
    sTable.push_back(std::pair<Level,string>(kWarning   ,"Warning"));
    sTable.push_back(std::pair<Level,string>(kError     ,"Error"));
    sTable.push_back(std::pair<Level,string>(kFatal     ,"Fatal"));
    sTable.push_back(std::pair<Level,string>(kNever     ,"Never"));
    sTable.push_back(std::pair<Level,string>(kDefault   ,"Default"));
    sTable.push_back(std::pair<Level,string>(kEverything,"Everything")); 
    sTable.push_back(std::pair<Level,string>(kOff       ,"Off"));

    // Short names
    sTable.push_back(std::pair<Level,string>(kVerbose   ,"verb"));
    sTable.push_back(std::pair<Level,string>(kDebug1    ,"debug"));
    sTable.push_back(std::pair<Level,string>(kMonitor   ,"mon"));
    sTable.push_back(std::pair<Level,string>(kInfo      ,"info"));
    sTable.push_back(std::pair<Level,string>(kWarning   ,"warn"));
    sTable.push_back(std::pair<Level,string>(kError     ,"err"));
    sTable.push_back(std::pair<Level,string>(kFatal     ,"fat"));
    sTable.push_back(std::pair<Level,string>(kDefault   ,"def"));
    sTable.push_back(std::pair<Level,string>(kDefault   ,"on"));

    // single letters
    sTable.push_back(std::pair<Level,string>(kVerbose   ,"V"));
    sTable.push_back(std::pair<Level,string>(kDebug1    ,"D"));
    sTable.push_back(std::pair<Level,string>(kMonitor   ,"M"));
    sTable.push_back(std::pair<Level,string>(kInfo      ,"I"));
    sTable.push_back(std::pair<Level,string>(kWarning   ,"W"));
    sTable.push_back(std::pair<Level,string>(kError     ,"E"));
    sTable.push_back(std::pair<Level,string>(kFatal     ,"F"));
  }
  return sTable;
}


string Logging::LevelToString(Level lvl)
{
  // Get the table.
  SynonymTable_t& sTable = GetSynonymTable();

  // Look for the first direct match.
  for(int i=0;i<sTable.size();i++) {
    if(lvl == sTable[i].first) return sTable[i].second;
  }

  // Hmmm, no direct matches.  Return the raw number.
  char temp[10];
  sprintf(temp,"%d",lvl);
  return string(temp);
}

Level Logging::StringToLevel(string str)
{
  // Get the table.
  SynonymTable_t& sTable = GetSynonymTable();

  // Look for the first direct match.
  for(int i=0;i<sTable.size();i++){
    const char* strc = str.c_str();
    if(strncasecmp(strc,sTable[i].second.c_str(),sTable[i].second.length()) == 0) {
      // We have an exact match!
      return sTable[i].first;
    }
  }
  
  // Try to interpret it as a numeric.
  int lvl;
  int res = sscanf(str.c_str(),"%d",&lvl);
  if(res>0) return (Level)lvl;
  
  // Can't find anything. return null value..
  return kInvalid;
}

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