int main()
{
learnFromError_1();
//Assign memory from heap
char* firstName = new char[10];
/// !TODO: Need to see how to copy string to memory
firstName = "Mageswaran";
/// !TODO: In which section the lastName is stored.( data / string / static / heap)
char* lastName = "D";
std::string roll = "Senior Software Engineer";
EMPLOYEE employee1 = {firstName,
lastName,
designation : roll,
empNum : 300057};
EMPLOYEE employee2;
//Lets check what we have put in structure
displayRecord(&employee1);
//Lets check our shallow copy
employee2 = employee1;
displayRecord(&employee2);
//Let us test of shallow copy by enabling below delete
//delete employee2.lastName;
//displayRecord(&employee1);
//Seems we are busted
}
///////////////////////////////////
// and here the fun begins...
int
main (int argc, char *argv[])
{
// option processing variables
int opt;
int option_index = 0;
// should the action be forced
bool forceAction = false;
// should help be displayed
bool displayHelp = false;
// should version info be displayed
bool displayVer = false;
// the action the user has chosen to perform
int action = 0;
// the argument to the action
const char* action_arg = NULL;
// should existing records be updated (default: No)
bool updateRecords = false;
// selected itemNr, 0 = no specific item selected
uint16_t itemNr = 0;
// enabled DBTypes (default to all)
int dbTypes = (EQItemDB::LORE_DB | EQItemDB::NAME_DB |
EQItemDB::DATA_DB | EQItemDB::RAW_DATA_DB);
// search string
QString search;
// note program name for later use.
progname = argv[0];
// Get an instance of the EQItemDB
EQItemDB* itemDB = new EQItemDB;
// begin processing options
while ((opt = getopt_long( argc,
argv,
OPTION_LIST,
option_list,
&option_index)) != -1)
{
switch(opt)
{
case 'd': // display an item
case 'l': // list items
case 'f': // import from a flat file db
case 'r': // import from a itemrawdata.dbm file
case 'o': // import from an old GDBM file
case 'e': // export a raw data record
case 'x': // export database as a CSV file
case 'D': // delete a record
case 'R': // reorganize database
case 'u': // upgrade ItemDB to current format
// these actions are mutually exclusive, if two chosen, display help
if (action != 0)
displayHelp = true;
else
{
// save action and it's argument
action = opt;
action_arg = optarg;
}
break;
case 'i':
itemNr = (uint16_t)atoi(optarg);
break;
case 'U':
updateRecords = true;
break;
case 'v':
case 'V':
displayVer = true;
break;
case ITEMDB_LORE_FILENAME_OPTION:
itemDB->SetDBFile(EQItemDB::LORE_DB, optarg);
break;
case ITEMDB_NAME_FILENAME_OPTION:
itemDB->SetDBFile(EQItemDB::NAME_DB, optarg);
break;
case ITEMDB_DATA_FILENAME_OPTION:
itemDB->SetDBFile(EQItemDB::DATA_DB, optarg);
break;
case ITEMDB_RAW_FILENAME_OPTION:
itemDB->SetDBFile(EQItemDB::RAW_DATA_DB, optarg);
break;
case ITEMDB_DATABASES_ENABLED:
dbTypes = atoi(optarg);
break;
case FORCE_ACTION:
forceAction = true;
break;
case 'h': // display usage info
default:
displayHelp = true;
break;
}
}
// if no action selected, display help
if ((action == 0) && !displayHelp && !displayVer)
{
fprintf(stderr, "No action specified\n");
displayHelp = true;
}
// are there extra arguments
if (optind < argc)
{
//yes, there are
// is the action list with no search argument
if ((action == 'l') && (action_arg == 0))
{
// yes, so use them for the search argument
while (optind < argc)
{
if (!search.isEmpty())
search += " ";
// append extra arguments to search string
search += argv[optind++];
}
}
else // otherwise display help
{
fprintf(stderr, "Extra arguments!\n");
displayHelp = true;
}
}
// if either the display or delete actions were specified and no
// item was specified display help.
if (((action == 'd') || (action == 'D')) &&
(itemNr == 0))
displayHelp = true;
// result to return from the program (the exit code).
int result = 0;
// display the help/usage information if required and exit
if (displayHelp)
{
// display the usage information
displayUsage();
// return non-zero result
result = 1;
}
else
{
// enable the set of dbtypes
itemDB->SetEnabledDBTypes(dbTypes);
// display the version information
if (displayVer)
displayVersion(itemDB);
// perform the requested action
switch(action)
{
case 'd': // display an item
result = displayRecord(itemDB, itemNr);
break;
case 'l': // list items
{
if (action_arg)
search = action_arg;
result = listRecords(itemDB, itemNr, search);
break;
}
case 'f': // import from a flat file db
result = importFlatFile(itemDB, action_arg, itemNr,
forceAction, updateRecords);
break;
case 'r': // import from a itemrawdata.dbm file
case 'o': // import from an old GDBM file
// the above two options are really the same
result = importGDBM(itemDB, action_arg, itemNr,
forceAction, updateRecords);
break;
case 'e': // export a raw data record
result = exportRawRecord(itemDB, action_arg, itemNr);
break;
case 'x': // export database as a CSV file
result = exportRecordCSV(itemDB, action_arg, itemNr);
break;
case 'D': // delete a record
result = deleteRecord(itemDB, itemNr, forceAction);
break;
case 'R': // reorganize database
result = reorganize(itemDB);
break;
case 'u': // upgrade ItemDB to current format
result = upgradeItemDB(itemDB);
}
}
// shutdown the ItemDB
itemDB->Shutdown();
// delete this instance of ItemDB
delete itemDB;
return result;
}
