oysteikt/heimdal
0
0
Fork 0
Code Issues 5 Pull Requests Releases Activity

Add mandoc help back-end to getarg.

Browse Source 
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@4080 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Johan Danielsson
1997-11-30 13:56:51 +00:00
parent 7a8b222300
commit aae2360a45
1 changed files with 103 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

113
lib/roken/getarg.c
View File

@@ -46,17 +46,22 @@ RCSID("$Id$");
#include "getarg.h"
static size_t
print_arg (int longp, struct getargs *arg)
print_arg (FILE *stream, int mdoc, int longp, struct getargs *arg)
{
const char *s;
if (arg->type == arg_flag || arg->type == arg_negative_flag)
return 0;
if (longp)
putc ('=', stderr);
else
putc (' ', stderr);
if(mdoc){
if(longp)
fprintf(stream, "= Ns");
fprintf(stream, " Ar ");
}else
if (longp)
putc ('=', stream);
else
putc (' ', stream);
if (arg->arg_help)
s = arg->arg_help;
@@ -65,10 +70,94 @@ print_arg (int longp, struct getargs *arg)
else if (arg->type == arg_string)
s = "string";
fprintf (stderr, "%s", s);
fprintf (stream, "%s", s);
return 1 + strlen(s);
}
static void
mandoc_template(struct getargs *args,
size_t num_args,
const char *extra_string)
{
int i;
size_t max_len = 0;
char timestr[64], cmd[64];
const char *p;
time_t t;
printf(".\\\" Things to fix:\n");
printf(".\\\" * correct section, and operating system\n");
printf(".\\\" * remove Op from mandatory flags\n");
printf(".\\\" * use better macros for arguments (like .Pa for files)\n");
printf(".\\\"\n");
t = time(NULL);
strftime(timestr, sizeof(timestr), "%b %d, %Y", localtime(&t));
printf(".Dd %s\n", timestr);
p = strrchr(__progname, '/');
if(p) p++; else p = __progname;
strncpy(cmd, p, sizeof(cmd));
cmd[sizeof(cmd)-1] = '\0';
strupr(cmd);
printf(".Dt %s SECTION\n", cmd);
printf(".Os OPERATING_SYSTEM\n");
printf(".Sh NAME\n");
printf(".Nm %s\n", p);
printf(".Nd\n");
printf("in search of a description\n");
printf(".Sh SYNOPSIS\n");
printf(".Nm\n");
for(i = 0; i < num_args; i++){
if(args[i].short_name){
printf(".Op Fl %c", args[i].short_name);
print_arg(stdout, 1, 0, args + i);
printf("\n");
}
if(args[i].long_name){
printf(".Op Fl -%s", args[i].long_name);
print_arg(stdout, 1, 1, args + i);
printf("\n");
}
/*
if(args[i].type == arg_strings)
fprintf (stderr, "...");
*/
}
if (extra_string && *extra_string)
printf (".Ar %s\n", extra_string);
printf(".Sh DESCRIPTION\n");
printf("Supported options:\n");
printf(".Bl -tag -width Ds\n");
for(i = 0; i < num_args; i++){
if(args[i].short_name){
printf(".It Fl %c", args[i].short_name);
print_arg(stdout, 1, 0, args + i);
printf("\n");
}
if(args[i].long_name){
printf(".It Fl -%s", args[i].long_name);
print_arg(stdout, 1, 1, args + i);
printf("\n");
}
if(args[i].help)
printf("%s\n", args[i].help);
/*
if(args[i].type == arg_strings)
fprintf (stderr, "...");
*/
}
printf(".El\n");
printf(".\\\".Sh ENVIRONMENT\n");
printf(".\\\".Sh FILES\n");
printf(".\\\".Sh EXAMPLES\n");
printf(".\\\".Sh DIAGNOSTICS\n");
printf(".\\\".Sh SEE ALSO\n");
printf(".\\\".Sh STANDARDS\n");
printf(".\\\".Sh HISTORY\n");
printf(".\\\".Sh AUTHORS\n");
printf(".\\\".Sh BUGS\n");
}
void
arg_printusage (struct getargs *args,
size_t num_args,
@@ -77,6 +166,10 @@ arg_printusage (struct getargs *args,
int i;
size_t max_len = 0;
if(getenv("GETARGMANDOC")){
mandoc_template(args, num_args, extra_string);
return;
}
fprintf (stderr, "Usage: %s", __progname);
for (i = 0; i < num_args; ++i) {
size_t len = 0;
@@ -89,7 +182,7 @@ arg_printusage (struct getargs *args,
}
fprintf (stderr, "%s", args[i].long_name);
len += 2 + strlen(args[i].long_name);
len += print_arg (1, &args[i]);
len += print_arg (stderr, 0, 1, &args[i]);
putc (']', stderr);
if(args[i].type == arg_strings)
fprintf (stderr, "...");
@@ -97,7 +190,7 @@ arg_printusage (struct getargs *args,
if (args[i].short_name) {
len += 2;
fprintf (stderr, " [-%c", args[i].short_name);
len += print_arg (0, &args[i]);
len += print_arg (stderr, 0, 0, &args[i]);
putc (']', stderr);
if(args[i].type == arg_strings)
fprintf (stderr, "...");
@@ -117,7 +210,7 @@ arg_printusage (struct getargs *args,
if (args[i].short_name) {
fprintf (stderr, "-%c", args[i].short_name);
count += 2;
count += print_arg (0, &args[i]);
count += print_arg (stderr, 0, 0, &args[i]);
}
if (args[i].short_name && args[i].long_name) {
fprintf (stderr, " or ");
@@ -131,7 +224,7 @@ arg_printusage (struct getargs *args,
}
fprintf (stderr, "%s", args[i].long_name);
count += 2 + strlen(args[i].long_name);
count += print_arg (1, &args[i]);
count += print_arg (stderr, 0, 1, &args[i]);
}
while(count++ <= max_len)
putc (' ', stderr);