+/* Definition of command-line options. */
+
+static void print_help (void);
+static void print_version (void);
+
+#ifdef HAVE_SSL
+# define IF_SSL(x) x
+#else
+# define IF_SSL(x) NULL
+#endif
+
+#ifdef ENABLE_DEBUG
+# define WHEN_DEBUG(x) x
+#else
+# define WHEN_DEBUG(x) NULL
+#endif
+
+struct cmdline_option {
+ const char *long_name;
+ char short_name;
+ enum {
+ OPT_VALUE,
+ OPT_BOOLEAN,
+ OPT_FUNCALL,
+ /* Non-standard options that have to be handled specially in
+ main(). */
+ OPT__APPEND_OUTPUT,
+ OPT__CLOBBER,
+ OPT__DONT_REMOVE_LISTING,
+ OPT__EXECUTE,
+ OPT__NO,
+ OPT__PARENT
+ } type;
+ const void *data; /* for standard options */
+ int argtype; /* for non-standard options */
+};
+
+static struct cmdline_option option_data[] =
+ {
+ { "accept", 'A', OPT_VALUE, "accept", -1 },
+ { "append-output", 'a', OPT__APPEND_OUTPUT, NULL, required_argument },
+ { "background", 'b', OPT_BOOLEAN, "background", -1 },
+ { "backup-converted", 'K', OPT_BOOLEAN, "backupconverted", -1 },
+ { "backups", 0, OPT_BOOLEAN, "backups", -1 },
+ { "base", 'B', OPT_VALUE, "base", -1 },
+ { "bind-address", 0, OPT_VALUE, "bindaddress", -1 },
+ { IF_SSL ("ca-certificate"), 0, OPT_VALUE, "cacertificate", -1 },
+ { IF_SSL ("ca-directory"), 0, OPT_VALUE, "cadirectory", -1 },
+ { "cache", 0, OPT_BOOLEAN, "cache", -1 },
+ { IF_SSL ("certificate"), 0, OPT_VALUE, "certificate", -1 },
+ { IF_SSL ("certificate-type"), 0, OPT_VALUE, "certificatetype", -1 },
+ { IF_SSL ("check-certificate"), 0, OPT_BOOLEAN, "checkcertificate", -1 },
+ { "clobber", 0, OPT__CLOBBER, NULL, optional_argument },
+ { "connect-timeout", 0, OPT_VALUE, "connecttimeout", -1 },
+ { "continue", 'c', OPT_BOOLEAN, "continue", -1 },
+ { "convert-links", 'k', OPT_BOOLEAN, "convertlinks", -1 },
+ { "content-disposition", 0, OPT_BOOLEAN, "contentdisposition", -1 },
+ { "cookies", 0, OPT_BOOLEAN, "cookies", -1 },
+ { "cut-dirs", 0, OPT_VALUE, "cutdirs", -1 },
+ { WHEN_DEBUG ("debug"), 'd', OPT_BOOLEAN, "debug", -1 },
+ { "delete-after", 0, OPT_BOOLEAN, "deleteafter", -1 },
+ { "directories", 0, OPT_BOOLEAN, "dirstruct", -1 },
+ { "directory-prefix", 'P', OPT_VALUE, "dirprefix", -1 },
+ { "dns-cache", 0, OPT_BOOLEAN, "dnscache", -1 },
+ { "dns-timeout", 0, OPT_VALUE, "dnstimeout", -1 },
+ { "domains", 'D', OPT_VALUE, "domains", -1 },
+ { "dont-remove-listing", 0, OPT__DONT_REMOVE_LISTING, NULL, no_argument },
+ { "dot-style", 0, OPT_VALUE, "dotstyle", -1 },
+ { "egd-file", 0, OPT_VALUE, "egdfile", -1 },
+ { "exclude-directories", 'X', OPT_VALUE, "excludedirectories", -1 },
+ { "exclude-domains", 0, OPT_VALUE, "excludedomains", -1 },
+ { "execute", 'e', OPT__EXECUTE, NULL, required_argument },
+ { "follow-ftp", 0, OPT_BOOLEAN, "followftp", -1 },
+ { "follow-tags", 0, OPT_VALUE, "followtags", -1 },
+ { "force-directories", 'x', OPT_BOOLEAN, "dirstruct", -1 },
+ { "force-html", 'F', OPT_BOOLEAN, "forcehtml", -1 },
+ { "ftp-password", 0, OPT_VALUE, "ftppassword", -1 },
+ { "ftp-user", 0, OPT_VALUE, "ftpuser", -1 },
+ { "glob", 0, OPT_BOOLEAN, "glob", -1 },
+ { "header", 0, OPT_VALUE, "header", -1 },
+ { "help", 'h', OPT_FUNCALL, (void *)print_help, no_argument },
+ { "host-directories", 0, OPT_BOOLEAN, "addhostdir", -1 },
+ { "html-extension", 'E', OPT_BOOLEAN, "htmlextension", -1 },
+ { "htmlify", 0, OPT_BOOLEAN, "htmlify", -1 },
+ { "http-keep-alive", 0, OPT_BOOLEAN, "httpkeepalive", -1 },
+ { "http-passwd", 0, OPT_VALUE, "httppassword", -1 }, /* deprecated */
+ { "http-password", 0, OPT_VALUE, "httppassword", -1 },
+ { "http-user", 0, OPT_VALUE, "httpuser", -1 },
+ { "ignore-case", 0, OPT_BOOLEAN, "ignorecase", -1 },
+ { "ignore-length", 0, OPT_BOOLEAN, "ignorelength", -1 },
+ { "ignore-tags", 0, OPT_VALUE, "ignoretags", -1 },
+ { "include-directories", 'I', OPT_VALUE, "includedirectories", -1 },
+#ifdef ENABLE_IPV6
+ { "inet4-only", '4', OPT_BOOLEAN, "inet4only", -1 },
+ { "inet6-only", '6', OPT_BOOLEAN, "inet6only", -1 },
+#endif
+ { "input-file", 'i', OPT_VALUE, "input", -1 },
+ { "keep-session-cookies", 0, OPT_BOOLEAN, "keepsessioncookies", -1 },
+ { "level", 'l', OPT_VALUE, "reclevel", -1 },
+ { "limit-rate", 0, OPT_VALUE, "limitrate", -1 },
+ { "load-cookies", 0, OPT_VALUE, "loadcookies", -1 },
+ { "mirror", 'm', OPT_BOOLEAN, "mirror", -1 },
+ { "no", 'n', OPT__NO, NULL, required_argument },
+ { "no-clobber", 0, OPT_BOOLEAN, "noclobber", -1 },
+ { "no-parent", 0, OPT_BOOLEAN, "noparent", -1 },
+ { "output-document", 'O', OPT_VALUE, "outputdocument", -1 },
+ { "output-file", 'o', OPT_VALUE, "logfile", -1 },
+ { "page-requisites", 'p', OPT_BOOLEAN, "pagerequisites", -1 },
+ { "parent", 0, OPT__PARENT, NULL, optional_argument },
+ { "passive-ftp", 0, OPT_BOOLEAN, "passiveftp", -1 },
+ { "password", 0, OPT_VALUE, "password", -1 },
+ { "post-data", 0, OPT_VALUE, "postdata", -1 },
+ { "post-file", 0, OPT_VALUE, "postfile", -1 },
+ { "prefer-family", 0, OPT_VALUE, "preferfamily", -1 },
+ { "preserve-permissions", 0, OPT_BOOLEAN, "preservepermissions", -1 },
+ { IF_SSL ("private-key"), 0, OPT_VALUE, "privatekey", -1 },
+ { IF_SSL ("private-key-type"), 0, OPT_VALUE, "privatekeytype", -1 },
+ { "progress", 0, OPT_VALUE, "progress", -1 },
+ { "protocol-directories", 0, OPT_BOOLEAN, "protocoldirectories", -1 },
+ { "proxy", 0, OPT_BOOLEAN, "useproxy", -1 },
+ { "proxy__compat", 'Y', OPT_VALUE, "useproxy", -1 }, /* back-compatible */
+ { "proxy-passwd", 0, OPT_VALUE, "proxypassword", -1 }, /* deprecated */
+ { "proxy-password", 0, OPT_VALUE, "proxypassword", -1 },
+ { "proxy-user", 0, OPT_VALUE, "proxyuser", -1 },
+ { "quiet", 'q', OPT_BOOLEAN, "quiet", -1 },
+ { "quota", 'Q', OPT_VALUE, "quota", -1 },
+ { "random-file", 0, OPT_VALUE, "randomfile", -1 },
+ { "random-wait", 0, OPT_BOOLEAN, "randomwait", -1 },
+ { "read-timeout", 0, OPT_VALUE, "readtimeout", -1 },
+ { "recursive", 'r', OPT_BOOLEAN, "recursive", -1 },
+ { "referer", 0, OPT_VALUE, "referer", -1 },
+ { "reject", 'R', OPT_VALUE, "reject", -1 },
+ { "relative", 'L', OPT_BOOLEAN, "relativeonly", -1 },
+ { "remove-listing", 0, OPT_BOOLEAN, "removelisting", -1 },
+ { "restrict-file-names", 0, OPT_BOOLEAN, "restrictfilenames", -1 },
+ { "retr-symlinks", 0, OPT_BOOLEAN, "retrsymlinks", -1 },
+ { "retry-connrefused", 0, OPT_BOOLEAN, "retryconnrefused", -1 },
+ { "save-cookies", 0, OPT_VALUE, "savecookies", -1 },
+ { "save-headers", 0, OPT_BOOLEAN, "saveheaders", -1 },
+ { IF_SSL ("secure-protocol"), 0, OPT_VALUE, "secureprotocol", -1 },
+ { "server-response", 'S', OPT_BOOLEAN, "serverresponse", -1 },
+ { "span-hosts", 'H', OPT_BOOLEAN, "spanhosts", -1 },
+ { "spider", 0, OPT_BOOLEAN, "spider", -1 },
+ { "strict-comments", 0, OPT_BOOLEAN, "strictcomments", -1 },
+ { "timeout", 'T', OPT_VALUE, "timeout", -1 },
+ { "timestamping", 'N', OPT_BOOLEAN, "timestamping", -1 },
+ { "tries", 't', OPT_VALUE, "tries", -1 },
+ { "user", 0, OPT_VALUE, "user", -1 },
+ { "user-agent", 'U', OPT_VALUE, "useragent", -1 },
+ { "verbose", 'v', OPT_BOOLEAN, "verbose", -1 },
+ { "verbose", 0, OPT_BOOLEAN, "verbose", -1 },
+ { "version", 'V', OPT_FUNCALL, (void *) print_version, no_argument },
+ { "wait", 'w', OPT_VALUE, "wait", -1 },
+ { "waitretry", 0, OPT_VALUE, "waitretry", -1 },
+ };
+
+#undef WHEN_DEBUG
+#undef IF_SSL
+
+/* Return a string that contains S with "no-" prepended. The string
+ is NUL-terminated and allocated off static storage at Wget
+ startup. */
+
+static char *
+no_prefix (const char *s)
+{
+ static char buffer[1024];
+ static char *p = buffer;
+
+ char *cp = p;
+ int size = 3 + strlen (s) + 1; /* "no-STRING\0" */
+ if (p + size >= buffer + sizeof (buffer))
+ abort ();
+
+ cp[0] = 'n', cp[1] = 'o', cp[2] = '-';
+ strcpy (cp + 3, s);
+ p += size;
+ return cp;
+}
+
+/* The arguments that that main passes to getopt_long. */
+static struct option long_options[2 * countof (option_data) + 1];
+static char short_options[128];
+
+/* Mapping between short option chars and option_data indices. */
+static unsigned char optmap[96];
+
+/* Marker for `--no-FOO' values in long_options. */
+#define BOOLEAN_NEG_MARKER 1024
+
+/* Initialize the long_options array used by getopt_long from the data
+ in option_data. */
+
+static void
+init_switches (void)
+{
+ char *p = short_options;
+ int i, o = 0;
+ for (i = 0; i < countof (option_data); i++)
+ {
+ struct cmdline_option *opt = &option_data[i];
+ struct option *longopt;
+
+ if (!opt->long_name)
+ /* The option is disabled. */
+ continue;
+
+ longopt = &long_options[o++];
+ longopt->name = opt->long_name;
+ longopt->val = i;
+ if (opt->short_name)
+ {
+ *p++ = opt->short_name;
+ optmap[opt->short_name - 32] = longopt - long_options;
+ }
+ switch (opt->type)
+ {
+ case OPT_VALUE:
+ longopt->has_arg = required_argument;
+ if (opt->short_name)
+ *p++ = ':';
+ break;
+ case OPT_BOOLEAN:
+ /* Specify an optional argument for long options, so that
+ --option=off works the same as --no-option, for
+ compatibility with pre-1.10 Wget. However, don't specify
+ optional arguments short-option booleans because they
+ prevent combining of short options. */
+ longopt->has_arg = optional_argument;
+ /* For Boolean options, add the "--no-FOO" variant, which is
+ identical to "--foo", except it has opposite meaning and
+ it doesn't allow an argument. */
+ longopt = &long_options[o++];
+ longopt->name = no_prefix (opt->long_name);
+ longopt->has_arg = no_argument;
+ /* Mask the value so we'll be able to recognize that we're
+ dealing with the false value. */
+ longopt->val = i | BOOLEAN_NEG_MARKER;
+ break;
+ default:
+ assert (opt->argtype != -1);
+ longopt->has_arg = opt->argtype;
+ if (opt->short_name)
+ {
+ if (longopt->has_arg == required_argument)
+ *p++ = ':';
+ /* Don't handle optional_argument */
+ }
+ }
+ }
+ /* Terminate short_options. */
+ *p = '\0';
+ /* No need for xzero(long_options[o]) because its storage is static
+ and it will be zeroed by default. */
+ assert (o <= countof (long_options));
+}
+