void
sl_help (SL_cmd *cmds, int argc, char **argv)
{
SL_cmd *c, *prev_c;
if (getenv("SLMANDOC")) {
mandoc_template(cmds, NULL);
return;
}
if (argc == 1) {
prev_c = NULL;
for (c = cmds; c->name; ++c) {
if (c->func) {
if(prev_c)
printf ("\n\t%s%s", prev_c->usage ? prev_c->usage : "",
prev_c->usage ? "\n" : "");
prev_c = c;
printf ("%s", c->name);
} else
printf (", %s", c->name);
}
if(prev_c)
printf ("\n\t%s%s", prev_c->usage ? prev_c->usage : "",
prev_c->usage ? "\n" : "");
} else {
c = sl_match (cmds, argv[1], 0);
if (c == NULL)
printf ("No such command: %s. "
"Try \"help\" for a list of all commands\n",
argv[1]);
else {
printf ("%s\t%s\n", c->name, c->usage);
if(c->help && *c->help)
printf ("%s\n", c->help);
if((++c)->name && c->func == NULL) {
printf ("Synonyms:");
while (c->name && c->func == NULL)
printf ("\t%s", (c++)->name);
printf ("\n");
}
}
}
}
void
arg_printusage (struct getargs *args,
size_t num_args,
const char *progname,
const char *extra_string)
{
unsigned int i;
size_t max_len = 0;
char buf[128];
int col = 0, columns;
#ifdef HAVE___PROGNAME
if (progname == NULL)
progname = __progname;
#endif
if (progname == NULL)
progname = "";
#ifdef GETARGMANDOC
if(getenv("GETARGMANDOC")){
mandoc_template(args, num_args, progname, extra_string);
return;
}
#endif
columns = 80; /* Always assume that the window is 80 chars wide */
col = 0;
col += fprintf (stderr, "Usage: %s", progname);
for (i = 0; i < num_args; ++i) {
size_t len = 0;
if (args[i].long_name) {
buf[0] = '\0';
strlcat(buf, "[--", sizeof(buf));
len += 2;
if(args[i].type == arg_negative_flag) {
strlcat(buf, "no-", sizeof(buf));
len += 3;
}
strlcat(buf, args[i].long_name, sizeof(buf));
len += strlen(args[i].long_name);
len += print_arg(buf + strlen(buf), sizeof(buf) - strlen(buf),
0, 1, &args[i]);
strlcat(buf, "]", sizeof(buf));
if(args[i].type == arg_strings)
strlcat(buf, "...", sizeof(buf));
col = check_column(stderr, col, (int)strlen(buf) + 1, columns);
col += fprintf(stderr, " %s", buf);
}
if (args[i].short_name) {
basestring_snprintf(buf, sizeof(buf), "[-%c", args[i].short_name);
len += 2;
len += print_arg(buf + strlen(buf), sizeof(buf) - strlen(buf),
0, 0, &args[i]);
strlcat(buf, "]", sizeof(buf));
if(args[i].type == arg_strings)
strlcat(buf, "...", sizeof(buf));
col = check_column(stderr, col, (int)strlen(buf) + 1, columns);
col += fprintf(stderr, " %s", buf);
}
if (args[i].long_name && args[i].short_name)
len += 2; /* ", " */
max_len = max(max_len, len);
}
if (extra_string) {
col = check_column(stderr, col, (int)strlen(extra_string) + 1, columns);
fprintf (stderr, " %s\n", extra_string);
} else
fprintf (stderr, "\n");
for (i = 0; i < num_args; ++i) {
if (args[i].help) {
size_t count = 0;
if (args[i].short_name) {
count += fprintf (stderr, "-%c", args[i].short_name);
print_arg (buf, sizeof(buf), 0, 0, &args[i]);
count += fprintf(stderr, "%s", buf);
}
if (args[i].short_name && args[i].long_name)
count += fprintf (stderr, ", ");
if (args[i].long_name) {
count += fprintf (stderr, "--");
if (args[i].type == arg_negative_flag)
count += fprintf (stderr, "no-");
count += fprintf (stderr, "%s", args[i].long_name);
print_arg (buf, sizeof(buf), 0, 1, &args[i]);
count += fprintf(stderr, "%s", buf);
}
while(count++ <= max_len)
putc (' ', stderr);
fprintf (stderr, "%s\n", args[i].help);
}
}
}
void
aarg_printusage (struct agetargs *args,
const char *progname,
const char *extra_string,
int style)
{
struct agetargs *arg;
size_t max_len = 0;
if (progname == NULL)
progname = __progname;
if(getenv("GETARGMANDOC")){
mandoc_template(args, extra_string, style);
return;
}
fprintf (stderr, "Usage: %s", progname);
for (arg = args; arg->type; arg++) {
size_t len = 0;
if (arg->long_name) {
if (style & AARG_TRANSLONG) {
switch (arg->mandatoryp) {
case aarg_mandatory:
fprintf (stderr, " -");
break;
default:
fprintf (stderr, " [-");
break;
}
} else
fprintf (stderr, " [--");
if (arg->type == aarg_negative_flag) {
fprintf (stderr, "no-");
len += 3;
}
fprintf (stderr, "%s", arg->long_name);
len += 2 + strlen(arg->long_name);
len += print_arg (stderr, 0, 1, arg, style);
if(arg->type == aarg_strings)
fprintf (stderr, "...");
if(!(style & AARG_TRANSLONG) || arg->mandatoryp != aarg_mandatory)
putc (']', stderr);
}
if (arg->short_name) {
len += 2;
fprintf (stderr, " [-%c", arg->short_name);
len += print_arg (stderr, 0, 0, arg, style);
putc (']', stderr);
if(arg->type == aarg_strings)
fprintf (stderr, "...");
}
if (arg->long_name && arg->short_name)
len += 4;
max_len = max(max_len, len);
}
if (extra_string)
fprintf (stderr, " %s\n", extra_string);
else
fprintf (stderr, "\n");
for (arg = args; arg->type; arg++) {
if (arg->help) {
size_t count = 0;
if (arg->short_name) {
fprintf (stderr, "-%c", arg->short_name);
count += 2;
count += print_arg (stderr, 0, 0, arg, style);
}
if (arg->short_name && arg->long_name) {
fprintf (stderr, " or ");
count += 4;
}
if (arg->long_name) {
fprintf (stderr, "-%s", style & AARG_TRANSLONG ? "" : "-");
if (arg->type == aarg_negative_flag) {
fprintf (stderr, "no-");
count += 3;
}
fprintf (stderr, "%s", arg->long_name);
count += 2 + strlen(arg->long_name);
count += print_arg (stderr, 0, 1, arg, style);
}
while(count++ <= max_len)
putc (' ', stderr);
fprintf (stderr, "%s\n", arg->help);
}
}
}
void ROKEN_LIB_FUNCTION
arg_printusage_i18n (struct getargs *args,
size_t num_args,
const char *usage,
const char *progname,
const char *extra_string,
char *(i18n)(const char *))
{
int i;
size_t max_len = 0;
char buf[128];
int col = 0, columns;
struct winsize ws;
if (progname == NULL)
progname = getprogname();
if (i18n == NULL)
i18n = builtin_i18n;
if(getenv("GETARGMANDOC")){
mandoc_template(args, num_args, progname, extra_string, i18n);
return;
}
if(get_window_size(2, &ws) == 0)
columns = ws.ws_col;
else
columns = 80;
col = 0;
col += fprintf (stderr, "%s: %s", usage, progname);
buf[0] = '\0';
for (i = 0; i < num_args; ++i) {
if(args[i].short_name && ISFLAG(args[i])) {
char s[2];
if(buf[0] == '\0')
strlcpy(buf, "[-", sizeof(buf));
s[0] = args[i].short_name;
s[1] = '\0';
strlcat(buf, s, sizeof(buf));
}
}
if(buf[0] != '\0') {
strlcat(buf, "]", sizeof(buf));
col = check_column(stderr, col, strlen(buf) + 1, columns);
col += fprintf(stderr, " %s", buf);
}
for (i = 0; i < num_args; ++i) {
size_t len = 0;
if (args[i].long_name) {
buf[0] = '\0';
strlcat(buf, "[--", sizeof(buf));
len += 2;
if(args[i].type == arg_negative_flag) {
strlcat(buf, "no-", sizeof(buf));
len += 3;
}
strlcat(buf, args[i].long_name, sizeof(buf));
len += strlen(args[i].long_name);
len += print_arg(buf + strlen(buf), sizeof(buf) - strlen(buf),
0, 1, &args[i], i18n);
strlcat(buf, "]", sizeof(buf));
if(args[i].type == arg_strings)
strlcat(buf, "...", sizeof(buf));
col = check_column(stderr, col, strlen(buf) + 1, columns);
col += fprintf(stderr, " %s", buf);
}
if (args[i].short_name && !ISFLAG(args[i])) {
snprintf(buf, sizeof(buf), "[-%c", args[i].short_name);
len += 2;
len += print_arg(buf + strlen(buf), sizeof(buf) - strlen(buf),
0, 0, &args[i], i18n);
strlcat(buf, "]", sizeof(buf));
if(args[i].type == arg_strings)
strlcat(buf, "...", sizeof(buf));
col = check_column(stderr, col, strlen(buf) + 1, columns);
col += fprintf(stderr, " %s", buf);
}
if (args[i].long_name && args[i].short_name)
len += 2; /* ", " */
max_len = max(max_len, len);
}
if (extra_string) {
check_column(stderr, col, strlen(extra_string) + 1, columns);
fprintf (stderr, " %s\n", extra_string);
} else
fprintf (stderr, "\n");
for (i = 0; i < num_args; ++i) {
if (args[i].help) {
size_t count = 0;
if (args[i].short_name) {
count += fprintf (stderr, "-%c", args[i].short_name);
print_arg (buf, sizeof(buf), 0, 0, &args[i], i18n);
count += fprintf(stderr, "%s", buf);
}
if (args[i].short_name && args[i].long_name)
count += fprintf (stderr, ", ");
if (args[i].long_name) {
count += fprintf (stderr, "--");
if (args[i].type == arg_negative_flag)
count += fprintf (stderr, "no-");
count += fprintf (stderr, "%s", args[i].long_name);
print_arg (buf, sizeof(buf), 0, 1, &args[i], i18n);
count += fprintf(stderr, "%s", buf);
}
while(count++ <= max_len)
putc (' ', stderr);
fprintf (stderr, "%s\n", (*i18n)(args[i].help));
}
}
}
