+ int iReturn = 0;
+
+ if (strcmp(argv[0],s_szProgramName) == 0) {
+ argv = &argv[1];
+ argc--;
+ iReturn = processCommand (argc, argv);
+ } else if (argc > 1){
+ iReturn = processCommand (argc, argv);
+ } else {
+ char szPrompt[] = "CTSim> ";
+ std::string strInput;
+ while (1) {
+ std::cout << "CTSimText Interactive mode\nType quit to end";
+#ifdef HAVE_READLINE
+ char* pszInput = readline (szPrompt);
+#else
+ std::cout << szPrompt;
+ std::cin >> strInput;
+ char* pszInput = new char [strInput.length() + 1];
+ strncpy (pszInput, strInput.c_str(), sizeof(pszInput));
+#endif
+ if (strncasecmp (pszInput, "quit", 4) == 0) {
+ delete pszInput;
+ break;
+ }
+ convertStringToArgcv (pszInput, &argc, &argv);
+ delete pszInput;
+ iReturn = processCommand (argc, argv);
+ }
+ }
+
+ return iReturn;
+}
+
+static void
+convertStringToArgcv (char* pszLine, int* piArgc, char*** pppArgv)
+{
+ char* pCurrentPos = pszLine;
+ int nTokens = 0;
+ std::vector<char*> vecpszToken;
+
+ // Process line
+ bool bInDoubleQuote = false;
+ bool bInSingleQuote = false;
+ bool bInToken = false;
+
+ while (*pCurrentPos) {
+ if (iswhite (*pCurrentPos)) {
+ if (! bInToken)
+ *pCurrentPos = 0;
+ else if (bInSingleQuote || bInDoubleQuote)
+ ;
+ else { // in non-quote token
+ *pCurrentPos = 0;
+ bInToken = false;
+ }
+ }
+ else if (*pCurrentPos = '\"') {
+ if (bInSingleQuote) {
+ bInSingleQuote = false;
+ } else {
+ bInSingleQuote = true;
+ if (! bInToken) {
+ bInToken = true;
+ nTokens++;
+ vecpszToken.push_back (pCurrentPos+1);
+ }
+ }
+ } else if (*pCurrentPos = '\'') {
+ if (bInDoubleQuote) {
+ bInDoubleQuote = false;
+ } else {
+ bInDoubleQuote = true;
+ if (! bInToken) {
+ bInToken = true;
+ nTokens++;
+ vecpszToken.push_back (pCurrentPos+1);
+ }
+ }
+ } else if (! bInToken) { // nonwhite, non-quote character
+ bInToken = true;
+ nTokens++;
+ vecpszToken.push_back (pCurrentPos);
+ }
+
+ pCurrentPos++;