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Improve command line parsing 

Improve command line argument parser.  This will make it easier to add
code to read command line options (which previously weren't available).
This commit is contained in:
luca0N! 2022-06-09 22:07:08 -03:00
parent 3d44312e93
commit 8b07320f76
Signed by: luca0N
GPG Key ID: 2E7B4655CF16D7D6
1 changed files with 14 additions and 14 deletions
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28
src/main.cxx
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@ -47,25 +47,25 @@ void printIntro() {
int main(int argc, char *argv[]) { int main(int argc, char *argv[]) {
printIntro(); printIntro();
std::string path; std::string path = "";
// Parse cmdline options // Parse cmdline options
switch (argc) { for (int argi = 1; argi < argc; argi++) {
case 1: if (argv[argi][0] == '-') {
path = "."; // This is a cmdline option (starts with a dash).
std::cout << "Assuming working directory is \".\""
<< std::endl; } else if (path == "") {
break; path = argv[argi];
case 2: } else {
path = argv[1]; std::cerr << "error: website directory was already " <<
std::cout << "Using specified directory: " "provided (`" << path << "'), refusing to continue with `" <<
<< path << std::endl; argv[argi] << "'.\n";
break;
default:
printUsage(argv[0]); printUsage(argv[0]);
exit(RETURN_FAILED_INVALID_SYNTAX); exit(RETURN_FAILED_INVALID_SYNTAX);
break;
} }
}
std::cout << "Using specified directory: " << path << "\n";
SwgContext ctx; SwgContext ctx;
parse_config(&ctx, path); parse_config(&ctx, path);