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scripts: kernel-doc: improve argument handling 

Right now, if one uses "--rst" instead of "-rst", it just
ignore the argument and produces a man page. Change the
logic to accept both "-cmd" and "--cmd". Also, if
"cmd" doesn't exist, print the usage information and exit.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Mauro Carvalho Chehab 2017-12-18 10:30:10 -02:00 committed by Jonathan Corbet
parent b051426753
commit b031ac4e7d
1 changed files with 20 additions and 16 deletions
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@ -391,47 +391,51 @@ my $undescribed = "-- undescribed --";
reset_state();
while ($ARGV[0] =~ m/^-(.*)/) {
my $cmd = shift @ARGV;
if ($cmd eq "-man") {
while ($ARGV[0] =~ m/^--?(.*)/) {
my $cmd = $1;
shift @ARGV;
if ($cmd eq "man") {
$output_mode = "man";
@highlights = @highlights_man;
$blankline = $blankline_man;
} elsif ($cmd eq "-rst") {
} elsif ($cmd eq "rst") {
$output_mode = "rst";
@highlights = @highlights_rst;
$blankline = $blankline_rst;
} elsif ($cmd eq "-none") {
} elsif ($cmd eq "none") {
$output_mode = "none";
} elsif ($cmd eq "-module") { # not needed for XML, inherits from calling document
} elsif ($cmd eq "module") { # not needed for XML, inherits from calling document
$modulename = shift @ARGV;
} elsif ($cmd eq "-function") { # to only output specific functions
} elsif ($cmd eq "function") { # to only output specific functions
$output_selection = OUTPUT_INCLUDE;
$function = shift @ARGV;
$function_table{$function} = 1;
} elsif ($cmd eq "-nofunction") { # output all except specific functions
} elsif ($cmd eq "nofunction") { # output all except specific functions
$output_selection = OUTPUT_EXCLUDE;
$function = shift @ARGV;
$function_table{$function} = 1;
} elsif ($cmd eq "-export") { # only exported symbols
} elsif ($cmd eq "export") { # only exported symbols
$output_selection = OUTPUT_EXPORTED;
%function_table = ();
} elsif ($cmd eq "-internal") { # only non-exported symbols
} elsif ($cmd eq "internal") { # only non-exported symbols
$output_selection = OUTPUT_INTERNAL;
%function_table = ();
} elsif ($cmd eq "-export-file") {
} elsif ($cmd eq "export-file") {
my $file = shift @ARGV;
push(@export_file_list, $file);
} elsif ($cmd eq "-v") {
} elsif ($cmd eq "v") {
$verbose = 1;
} elsif (($cmd eq "-h") || ($cmd eq "--help")) {
} elsif (($cmd eq "h") || ($cmd eq "help")) {
usage();
} elsif ($cmd eq '-no-doc-sections') {
} elsif ($cmd eq 'no-doc-sections') {
$no_doc_sections = 1;
} elsif ($cmd eq '-enable-lineno') {
} elsif ($cmd eq 'enable-lineno') {
$enable_lineno = 1;
} elsif ($cmd eq '-show-not-found') {
} elsif ($cmd eq 'show-not-found') {
$show_not_found = 1;
} else {
# Unknown argument
usage();
}
}