| String Impala::CmdOptions::DoParseArgs | ( | int | argc, | |
| char * | argv[], | |||
| String | usageStr, | |||
| int | nrReqArgs | |||
| ) | [inline, private] |
Definition at line 302 of file CmdOptions.h.
References CheckDynamicOption(), Impala::FileExists(), Impala::FileNameBase(), GetOptIdx(), IsOpt(), Impala::MakeString(), mArg, mOptParName, mOptVal, and ReadIniFile().
Referenced by ParseArgs().
00303 { 00304 if (argc < nrReqArgs + 1) 00305 { 00306 for(int i=0 ; i<argc ; i++) 00307 std::cout << argv[i] << std::endl; 00308 return "Need more arguments: " + MakeString(argc-1) + " found, " 00309 + MakeString(nrReqArgs) + " expected"; 00310 } 00311 00312 // search for ini file name in the arguments 00313 String fileName(argv[0]); 00314 bool sawIniOption = false; 00315 fileName = FileNameBase(fileName) + ".ini"; 00316 int i = 1; 00317 while (i < argc) 00318 { 00319 String s = String(argv[i]); 00320 if (s == "--ini") 00321 { 00322 if (i+1 >= argc) 00323 return "Missing value for --ini"; 00324 00325 if (argv[i+1][0] == '-') 00326 return "Missing value for --ini"; 00327 00328 sawIniOption = true; 00329 fileName = String(argv[i+1]); 00330 break; 00331 } 00332 i++; 00333 } 00334 if (sawIniOption && !FileExists(fileName)) 00335 return "Couldn't open ini file " + fileName; 00336 00337 ReadIniFile(fileName); 00338 00339 i = 1; 00340 while (i < argc) 00341 { 00342 String s = String(argv[i]); 00343 if ((s == "-h") || (s == "--help")) 00344 return "help"; 00345 00346 if (IsOpt(s)) 00347 { 00348 s = s.substr(s.rfind('-',2)+1); // remove -- 00349 CheckDynamicOption(s); // add data::something like options 00350 int idx = GetOptIdx(s); 00351 if (idx < 0) 00352 { 00353 if (s != "ini") 00354 return "Unknown option --" + s; 00355 00356 } 00357 else if (mOptParName[idx] != "") 00358 { 00359 if (i+1 >= argc) 00360 return "Missing value for --" + s; 00361 00362 if (argv[i+1][0] == '-') 00363 return "Missing value for --" + s; 00364 00365 String tmp(argv[i+1]); 00366 if (tmp[0] == '"') 00367 { // follow embedding quotes 00368 while (tmp[tmp.size()-1] != '"') 00369 { 00370 i++; 00371 if (i + 1 >= argc) 00372 return "Quoted string not terminated"; 00373 00374 tmp = tmp + " " + String(argv[i+1]); 00375 } 00376 tmp = tmp.substr(1, tmp.size()-2); 00377 if (tmp[0] == '"') // mpi programs still get these 00378 tmp = tmp.substr(1, tmp.size()-2); 00379 } 00380 mOptVal[idx] = tmp; 00381 i++; 00382 } 00383 else 00384 { 00385 mOptVal[idx] = "1"; 00386 } 00387 } 00388 else 00389 { 00390 if (s[0] == '"') // mpi programs still get these 00391 s = s.substr(1, s.size()-2); 00392 mArg.push_back(s); 00393 } 00394 i++; 00395 } 00396 00397 if (mArg.size() < nrReqArgs) 00398 return "Need more arguments"; 00399 00400 return String(); 00401 }
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