int OOBase::CmdArgs::parse(int argc, const char* argv[], options_t& options, arguments_t& args, int skip) const
{
bool bEndOfOpts = false;
int err = 0;
for (int i=skip; i<argc && err==0; ++i)
{
if (strcmp(argv[i],"--") == 0)
{
// -- Terminator
bEndOfOpts = true;
continue;
}
if (!bEndOfOpts && argv[i][0]=='-' && argv[i][1] != '\0')
{
// Options
if (argv[i][1] == '-')
{
// Long option
err = parse_long_option(options,argv,i,argc);
}
else
{
// Short options
err = parse_short_options(options,argv,i,argc);
}
}
else
{
// Argument
String strVal;
if (!strVal.assign(argv[i]))
err = system_error();
else
err = args.push_back(strVal) ? 0 : system_error();
}
}
return err;
}
bool option_parser::parse(int argc, char * argv[])
{
build_maps();
int argi = PARSE_STARTING_INDEX;
while (argi < argc) {
switch (type(argv[argi])) {
case ARGUMENT: {
parse_arguments(argc, argv, argi);
return check_required();
}
case SHORT_OPTION: {
argi = parse_short_options(argc, argv, argi);
if (argi == PARSE_ERROR) {
return false;
}
break;
}
case LONG_OPTION: {
argi = parse_long_option(argc, argv, argi);
if (argi == PARSE_ERROR) {
return false;
}
break;
}
case DELIMITER_OPTION: {
parse_arguments(argc, argv, argi + 1);
return check_required();
}
default: {
// huh. out of enumeration?
assert(false);
}
}
}
return check_required();
}
void parse_args(struct options *const opt, const int argc, const char *const argv[])
{
struct argument_flags flags;
int i;
/* Set override flags */
flags.program_name = basename((char *)argv[0]);
flags.conf_file = DEFAULT_CONFIG_FILE;
flags.quotes_file = NULL;
flags.pid_file = NULL;
flags.journal_file = NULL;
flags.tproto = PROTOCOL_TNONE;
flags.iproto = PROTOCOL_INONE;
flags.daemonize = BOOLEAN_UNSET;
flags.strict = true;
/* Set default options, defined in options.h */
opt->port = DEFAULT_PORT;
opt->tproto = DEFAULT_TRANSPORT_PROTOCOL;
opt->iproto = DEFAULT_INTERNET_PROTOCOL;
opt->quotes_file = DEFAULT_QUOTES_FILE;
opt->linediv = DEFAULT_LINE_DIVIDER;
opt->pid_file = default_pidfile();
opt->require_pidfile = DEFAULT_REQUIRE_PIDFILE;
opt->daemonize = DEFAULT_DAEMONIZE;
opt->drop_privileges = DEFAULT_DROP_PRIVILEGES;
opt->is_daily = DEFAULT_IS_DAILY;
opt->pad_quotes = DEFAULT_PAD_QUOTES;
opt->allow_big = DEFAULT_ALLOW_BIG;
opt->chdir_root = DEFAULT_CHDIR_ROOT;
/* Parse arguments */
for (i = 1; i < argc; i++) {
if (!strcmp(argv[i], "--")) {
break;
} else if (!strncmp(argv[i], "--", 2)) {
parse_long_option(argc, argv, &i, &flags);
} else if (argv[i][0] == '-') {
const char *next_arg = (i + 1 == argc) ? NULL : argv[i + 1];
parse_short_options(argv[i] + 1, next_arg, &i, &flags);
} else {
printf("Unrecognized option: %s.\n", argv[i]);
usage_and_exit(flags.program_name);
}
}
/* Override config file options */
opt->strict = flags.strict;
if (flags.conf_file) {
if (flags.conf_file[0] != '/') {
opt->chdir_root = false;
}
parse_config(flags.conf_file, opt);
}
if (flags.pid_file) {
opt->pid_file = strcmp(flags.pid_file, "none") ? flags.pid_file : NULL;
}
if (flags.quotes_file) {
opt->quotes_file = flags.quotes_file;
}
if (flags.journal_file && !strcmp(flags.journal_file, "-")) {
opt->journal_file = flags.journal_file;
} else {
opt->journal_file = NULL;
}
if (flags.iproto != PROTOCOL_INONE) {
opt->iproto = flags.iproto;
}
if (flags.tproto != PROTOCOL_TNONE) {
opt->tproto = flags.tproto;
}
if (flags.daemonize != BOOLEAN_UNSET) {
opt->daemonize = flags.daemonize;
}
#if DEBUG
journal("\nContents of struct 'opt':\n");
journal("opt = {\n");
journal(" QuotesFile: %s\n", BOOLSTR(opt->quotes_file));
journal(" PidFile: %s\n", opt->pid_file);
journal(" Port: %u\n", opt->port);
journal(" QuoteDivider: %s\n", name_option_quote_divider(opt->linediv));
journal(" Protocol: %s\n", name_option_protocol(opt->tproto, opt->iproto));
journal(" Daemonize: %s\n", BOOLSTR(opt->daemonize));
journal(" RequirePidfile: %s\n", BOOLSTR(opt->require_pidfile));
journal(" DropPrivileges: %s\n", BOOLSTR(opt->drop_privileges));
journal(" DailyQuotes: %s\n", BOOLSTR(opt->is_daily));
journal(" AllowBigQuotes: %s\n", BOOLSTR(opt->allow_big));
journal(" ChdirRoot: %s\n", BOOLSTR(opt->chdir_root));
journal("}\n\n");
#endif /* DEBUG */
}