static int
proc_options(int argc, char **argv, struct cmdline_options *opt, int envopt)
{
int n, argc0 = argc;
const char *s;
if (argc == 0)
return 0;
for (argc--, argv++; argc > 0; argc--, argv++) {
const char *const arg = argv[0];
if (arg[0] != '-' || !arg[1])
break;
s = arg + 1;
reswitch:
switch (*s) {
case 'a':
if (envopt) goto noenvopt;
opt->do_split = Qtrue;
s++;
goto reswitch;
case 'p':
if (envopt) goto noenvopt;
opt->do_print = Qtrue;
/* through */
case 'n':
if (envopt) goto noenvopt;
opt->do_loop = Qtrue;
s++;
goto reswitch;
case 'd':
ruby_debug = Qtrue;
ruby_verbose = Qtrue;
s++;
goto reswitch;
case 'y':
if (envopt) goto noenvopt;
opt->yydebug = 1;
s++;
goto reswitch;
case 'v':
if (opt->verbose) {
s++;
goto reswitch;
}
ruby_show_version();
opt->verbose = 1;
case 'w':
ruby_verbose = Qtrue;
s++;
goto reswitch;
case 'W':
{
int numlen;
int v = 2; /* -W as -W2 */
if (*++s) {
v = scan_oct(s, 1, &numlen);
if (numlen == 0)
v = 1;
s += numlen;
}
switch (v) {
case 0:
ruby_verbose = Qnil;
break;
case 1:
ruby_verbose = Qfalse;
break;
default:
ruby_verbose = Qtrue;
break;
}
}
goto reswitch;
case 'c':
if (envopt) goto noenvopt;
opt->do_check = Qtrue;
s++;
goto reswitch;
case 's':
if (envopt) goto noenvopt;
forbid_setid("-s");
opt->sflag = 1;
s++;
goto reswitch;
case 'h':
if (envopt) goto noenvopt;
usage(origarg.argv[0]);
rb_exit(EXIT_SUCCESS);
break;
case 'l':
if (envopt) goto noenvopt;
opt->do_line = Qtrue;
rb_output_rs = rb_rs;
s++;
goto reswitch;
case 'S':
if (envopt) goto noenvopt;
forbid_setid("-S");
opt->do_search = Qtrue;
s++;
goto reswitch;
case 'e':
if (envopt) goto noenvopt;
forbid_setid("-e");
if (!*++s) {
s = argv[1];
argc--, argv++;
}
if (!s) {
rb_raise(rb_eRuntimeError, "no code specified for -e");
}
if (!opt->e_script) {
opt->e_script = rb_str_new(0, 0);
if (opt->script == 0)
opt->script = "-e";
}
rb_str_cat2(opt->e_script, s);
rb_str_cat2(opt->e_script, "\n");
break;
case 'r':
forbid_setid("-r");
if (*++s) {
add_modules(opt, s);
}
else if (argv[1]) {
add_modules(opt, argv[1]);
argc--, argv++;
}
break;
case 'i':
if (envopt) goto noenvopt;
forbid_setid("-i");
ruby_set_inplace_mode(s + 1);
break;
case 'x':
if (envopt) goto noenvopt;
opt->xflag = Qtrue;
s++;
if (*s && chdir(s) < 0) {
rb_fatal("Can't chdir to %s", s);
}
break;
case 'C':
case 'X':
if (envopt) goto noenvopt;
s++;
if (!*s) {
s = argv[1];
argc--, argv++;
}
if (!s || !*s) {
rb_fatal("Can't chdir");
}
if (chdir(s) < 0) {
rb_fatal("Can't chdir to %s", s);
}
break;
case 'F':
if (envopt) goto noenvopt;
if (*++s) {
rb_fs = rb_reg_new(s, strlen(s), 0);
}
break;
case 'E':
if (!*++s && (!--argc || !(s = *++argv))) {
rb_raise(rb_eRuntimeError, "missing argument for -E");
}
goto encoding;
case 'U':
set_internal_encoding_once(opt, "UTF-8", 0);
++s;
goto reswitch;
case 'K':
if (*++s) {
const char *enc_name = 0;
switch (*s) {
case 'E': case 'e':
enc_name = "EUC-JP";
break;
case 'S': case 's':
enc_name = "Windows-31J";
break;
case 'U': case 'u':
enc_name = "UTF-8";
break;
case 'N': case 'n': case 'A': case 'a':
enc_name = "ASCII-8BIT";
break;
}
if (enc_name) {
opt->src.enc.name = rb_str_new2(enc_name);
if (!opt->ext.enc.name)
opt->ext.enc.name = opt->src.enc.name;
}
s++;
}
goto reswitch;
case 'T':
{
int numlen;
int v = 1;
if (*++s) {
v = scan_oct(s, 2, &numlen);
if (numlen == 0)
v = 1;
s += numlen;
}
if (v > opt->safe_level) opt->safe_level = v;
}
goto reswitch;
case 'I':
forbid_setid("-I");
if (*++s)
ruby_incpush_expand(s);
else if (argv[1]) {
ruby_incpush_expand(argv[1]);
argc--, argv++;
}
break;
//RHO
case 'R':
forbid_setid("-R");
if (*++s)
opt->rootPath = rb_str_new(s, strlen(s));//ruby_incpush_expand(s);
else if (argv[1]) {
opt->rootPath = rb_str_new(argv[1],strlen(s));//ruby_incpush_expand(argv[1]);
argc--, argv++;
}
break;
//RHO
case '0':
if (envopt) goto noenvopt;
{
int numlen;
int v;
char c;
v = scan_oct(s, 4, &numlen);
s += numlen;
if (v > 0377)
rb_rs = Qnil;
else if (v == 0 && numlen >= 2) {
rb_rs = rb_str_new2("\n\n");
}
else {
c = v & 0xff;
rb_rs = rb_str_new(&c, 1);
}
}
goto reswitch;
case '-':
if (!s[1] || (s[1] == '\r' && !s[2])) {
argc--, argv++;
goto switch_end;
}
s++;
# define is_option_end(c, allow_hyphen) \
(!(c) || (allow_hyphen && (c) == '-') || (c) == '=')
# define check_envopt(name, allow_envopt) \
((allow_envopt || !envopt) ? (void)0 : \
rb_raise(rb_eRuntimeError, "invalid switch in RUBYOPT: --" name))
# define need_argument(name, s) \
((*s++ ? !*s : (!--argc || !(s = *++argv))) ? \
rb_raise(rb_eRuntimeError, "missing argument for --" name) \
: (void)0)
# define is_option_with_arg(name, allow_hyphen, allow_envopt) \
(strncmp(name, s, n = sizeof(name) - 1) == 0 && is_option_end(s[n], allow_hyphen) ? \
(check_envopt(name, allow_envopt), s += n, need_argument(name, s), 1) : 0)
if (strcmp("copyright", s) == 0) {
if (envopt) goto noenvopt_long;
opt->copyright = 1;
}
else if (strcmp("debug", s) == 0) {
ruby_debug = Qtrue;
ruby_verbose = Qtrue;
}
else if (is_option_with_arg("enable", Qtrue, Qtrue)) {
ruby_each_words(s, enable_option, &opt->disable);
}
else if (is_option_with_arg("disable", Qtrue, Qtrue)) {
ruby_each_words(s, disable_option, &opt->disable);
}
else if (is_option_with_arg("encoding", Qfalse, Qtrue)) {
char *p;
encoding:
do {
# define set_encoding_part(type) \
if (!(p = strchr(s, ':'))) { \
set_##type##_encoding_once(opt, s, 0); \
break; \
} \
else if (p > s) { \
set_##type##_encoding_once(opt, s, p-s); \
}
set_encoding_part(external);
if (!*(s = ++p)) break;
set_encoding_part(internal);
if (!*(s = ++p)) break;
rb_raise(rb_eRuntimeError, "extra argument for %s: %s",
(arg[1] == '-' ? "--encoding" : "-E"), s);
# undef set_encoding_part
} while (0);
}
else if (is_option_with_arg("internal-encoding", Qfalse, Qtrue)) {
set_internal_encoding_once(opt, s, 0);
}
else if (is_option_with_arg("external-encoding", Qfalse, Qtrue)) {
set_external_encoding_once(opt, s, 0);
}
else if (strcmp("version", s) == 0) {
if (envopt) goto noenvopt_long;
opt->version = 1;
}
else if (strcmp("verbose", s) == 0) {
opt->verbose = 1;
ruby_verbose = Qtrue;
}
else if (strcmp("yydebug", s) == 0) {
if (envopt) goto noenvopt_long;
opt->yydebug = 1;
}
else if (is_option_with_arg("dump", Qfalse, Qfalse)) {
ruby_each_words(s, dump_option, &opt->dump);
}
else if (strcmp("help", s) == 0) {
if (envopt) goto noenvopt_long;
usage(origarg.argv[0]);
rb_exit(EXIT_SUCCESS);
}
else {
rb_raise(rb_eRuntimeError,
"invalid option --%s (-h will show valid options)", s);
}
break;
case '\r':
if (!s[1])
break;
default:
{
if (ISPRINT(*s)) {
rb_raise(rb_eRuntimeError,
"invalid option -%c (-h will show valid options)",
(int)(unsigned char)*s);
}
else {
rb_raise(rb_eRuntimeError,
"invalid option -\\x%02X (-h will show valid options)",
(int)(unsigned char)*s);
}
}
goto switch_end;
noenvopt:
/* "EIdvwWrKU" only */
rb_raise(rb_eRuntimeError, "invalid switch in RUBYOPT: -%c", *s);
break;
noenvopt_long:
rb_raise(rb_eRuntimeError, "invalid switch in RUBYOPT: --%s", s);
break;
case 0:
break;
# undef is_option_end
# undef check_envopt
# undef need_argument
# undef is_option_with_arg
}
}
switch_end:
return argc0 - argc;
}
void
ruby_set_debug_option(const char *str)
{
ruby_each_words(str, set_debug_option, 0);
}
