** This is part of the CTSim program
** Copyright (C) 1983-2000 Kevin Rosenberg
**
-** $Id: ctsimtext.cpp,v 1.2 2001/01/08 03:06:37 kevin Exp $
+** $Id: ctsimtext.cpp,v 1.4 2001/01/09 22:31:47 kevin Exp $
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License (version 2) as
#include "ct.h"
-static const char* g_szIdStr = "$Id: ctsimtext.cpp,v 1.2 2001/01/08 03:06:37 kevin Exp $";
+#ifdef HAVE_READLINE_H
+extern "C" {
+#include <readline.h>
+#include <history.h>
+};
+#elif defined(HAVE_READLINE_READLINE_H)
+extern "C" {
+#include <readline/readline.h>
+#include <readline/history.h>
+};
+#endif
+
+
+// Master shell for all command-line tools
+// If called as ctsimtext, program will look to next token on command-line as the function name
+// If linked to ctsimtext, but executed as another name, eg pjrec, then program will use that
+// linked name as name of function.
+
+static const char* const g_szIdStr = "$Id: ctsimtext.cpp,v 1.4 2001/01/09 22:31:47 kevin Exp $";
+static const char* const s_szProgramName = "ctsimtext";
extern int if1_main (int argc, char* const argv[]);
extern int if2_main (int argc, char* const argv[]);
extern int pjinfo_main (int argc, char* const argv[]);
extern int pjrec_main (int argc, char* const argv[]);
+static int processCommand (int argc, char* const argv[]);
+static void convertStringToArgcv (char* szLine, int* piArgc, char*** pppArgv);
+
void
ctsimtext_usage (const char *program)
std::cout << " pj2if Convert an projection file into an imagefile\n";
}
+void
+interactive_usage ()
+{
+ std::cout << "usage: function-name parameters...\n";
+ std::cout << "Available functions:\n";
+ std::cout << " ifinfo Image file information\n";
+ std::cout << " if1 Single image file conversion\n";
+ std::cout << " if2 Dual image file conversions\n";
+ std::cout << " pjrec Projection reconstruction\n";
+ std::cout << " pjinfo Projection file information\n";
+ std::cout << " phm2if Convert a geometric phantom into an imagefile\n";
+ std::cout << " phm2pj Take projections of a phantom object\n";
+ std::cout << " ifexport Export an imagefile to a graphics file\n";
+ std::cout << " pj2if Convert an projection file into an imagefile\n";
+ std::cout << " quit Quits shell\n";
+ std::cout << "All functions accept --help as parameter for online help\n\n";
+}
+
+static bool s_bInteractive = false;
+
int
ctsimtext_main (int argc, char * argv[])
{
- if (argc < 2) {
- ctsimtext_usage (argv[0]);
- return (1);
+ int iReturn = 0;
+
+ if (argc > 1 && strstr(argv[0], s_szProgramName)) {
+ argv = &argv[1];
+ argc--;
+ iReturn = processCommand (argc, argv);
+ } else if (argc > 1){
+ iReturn = processCommand (argc, argv);
+ } else {
+ s_bInteractive = true;
+ char szPrompt[] = "CTSim> ";
+ std::cout << "CTSim Text Shell (Type \"quit\" to end)\n\n";
+ while (1) {
+#ifdef HAVE_READLINE
+ char* pszInput = readline (szPrompt);
+ if (! pszInput)
+ break;
+ if (*pszInput != EOS)
+ add_history (pszInput);
+#else
+ std::cout << szPrompt;
+ std::string strInput;
+ std::cin >> strInput;
+ std::cout << std::flush:;
+ std::cout << "\n";
+ 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);
+ iReturn = processCommand (argc, argv);
+ delete pszInput;
+ }
}
- const char* const pszFunction = argv[1];
- argv = &argv[1];
- argc--;
+ 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 (isspace (*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;
+ *pCurrentPos = 0;
+ } else {
+ bInSingleQuote = true;
+ if (! bInToken) {
+ bInToken = true;
+ nTokens++;
+ vecpszToken.push_back (pCurrentPos+1);
+ }
+ }
+ } else if (*pCurrentPos == '\'') {
+ if (bInDoubleQuote) {
+ bInDoubleQuote = false;
+ *pCurrentPos = 0;
+ } 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++;
+ }
+
+ *piArgc = nTokens;
+ *pppArgv = new char* [nTokens];
+ for (unsigned int iToken = 0; iToken < vecpszToken.size(); iToken++)
+ (*pppArgv)[iToken] = vecpszToken[iToken];
+}
+
+static int
+processCommand (int argc, char* const argv[])
+{
+ const char* const pszFunction = argv[0];
if (strcasecmp (pszFunction, "if1") == 0)
return if1_main (argc, argv);
else if (strcasecmp (pszFunction, "pjrec") == 0)
return pjrec_main (argc, argv);
else {
- std::cout << "Unknown function name" << pszFunction << "\n\n";
- ctsimtext_usage (argv[0]);
+ std::cout << "Unknown function name: " << pszFunction << "\n";
+ if (s_bInteractive)
+ interactive_usage();
+ else
+ ctsimtext_usage (s_szProgramName);
return 1;
}
}