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/*
* Prints the option help in a form that is suitable to include in the manpage.
*/
#include <stdio.h>
#include <ctype.h>
#include <string.h>
#include "XF86Config-parser/xf86Parser.h"
#include "nvidia-xconfig.h"
#include "nvgetopt.h"
#include "option_table.h"
static void print_option(const NVGetoptOption *o)
{
char scratch[64], *s;
int j, len;
int omitWhiteSpace;
/* if we are going to need the argument, process it now */
if (o->flags & NVGETOPT_HAS_ARGUMENT) {
if (o->arg_name) {
strcpy(scratch, o->arg_name);
} else {
len = strlen(o->name);
for (j = 0; j < len; j++) scratch[j] = toupper(o->name[j]);
scratch[len] = '\0';
}
}
printf(".TP\n.BI \"");
/* Print the name of the option */
/* XXX We should backslashify the '-' characters in o->name. */
if (isalpha(o->val)) {
/* '\-c' */
printf("\\-%c", o->val);
if (o->flags & NVGETOPT_HAS_ARGUMENT) {
/* ' " "ARG" "' */
printf(" \" \"%s\" \"", scratch);
}
/* ', ' */
printf(", ");
}
/* '\-\-name' */
printf("\\-\\-%s", o->name);
/* '=" "ARG' */
if (o->flags & NVGETOPT_HAS_ARGUMENT) {
printf("=\" \"%s", scratch);
/* '" "' */
if ((o->flags & NVGETOPT_IS_BOOLEAN) ||
(o->flags & NVGETOPT_ALLOW_DISABLE)) {
printf("\" \"");
}
}
/* ', \-\-no\-name' */
if (((o->flags & NVGETOPT_IS_BOOLEAN) &&
!(o->flags & NVGETOPT_HAS_ARGUMENT)) ||
(o->flags & NVGETOPT_ALLOW_DISABLE)) {
printf(", \\-\\-no\\-%s", o->name);
}
printf("\"\n");
/* Print the option description */
/* XXX Each sentence should be on its own line! */
/*
* Print the option description: write each character one at a
* time (ugh) so that we can special-case a few characters:
*
* "[" --> "\n.I "
* "]" --> "\n"
* "-" --> "\-"
*
* Brackets are used to mark the text inbetween as italics.
* '-' is special cased so that we can backslashify it.
*
* XXX Each sentence should be on its own line!
*/
omitWhiteSpace = 0;
for (s = o->description; s && *s; s++) {
switch (*s) {
case '[':
printf("\n.I ");
omitWhiteSpace = 0;
break;
case ']':
printf("\n");
omitWhiteSpace = 1;
break;
case '-':
printf("\\-");
omitWhiteSpace = 0;
break;
case ' ':
if (!omitWhiteSpace) {
printf("%c", *s);
}
break;
default:
printf("%c", *s);
omitWhiteSpace = 0;
break;
}
}
printf("\n");
}
int main(int argc, char* argv[])
{
int i;
const NVGetoptOption *o;
/* Print the "simple" options, i.e. the ones you get by running
* nvidia-xconfig --help.
*/
printf(".SH OPTIONS\n");
for (i = 0; __options[i].name; i++) {
o = &__options[i];
if (!(o->flags & OPTION_HELP_ALWAYS))
continue;
print_option(o);
}
/* Print the advanced options. */
printf(".SH \"ADVANCED OPTIONS\"\n");
for (i = 0; __options[i].name; i++) {
o = &__options[i];
if (o->flags & OPTION_HELP_ALWAYS)
continue;
print_option(o);
}
return 0;
}
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