curl/tests/nroff-scan.pl

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Perl
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#!/usr/bin/env perl
#***************************************************************************
# _ _ ____ _
# Project ___| | | | _ \| |
# / __| | | | |_) | |
# | (__| |_| | _ <| |___
# \___|\___/|_| \_\_____|
#
# Copyright (C) 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
#
# This software is licensed as described in the file COPYING, which
# you should have received as part of this distribution. The terms
# are also available at https://curl.haxx.se/docs/copyright.html.
#
# You may opt to use, copy, modify, merge, publish, distribute and/or sell
# copies of the Software, and permit persons to whom the Software is
# furnished to do so, under the terms of the COPYING file.
#
# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
# KIND, either express or implied.
#
###########################################################################
#
# scan nroff pages to find basic syntactic problems such as unbalanced \f
# codes or references to non-existing curl man pages.
my $docsroot = $ARGV[0];
if(!$docsroot || ($docsroot eq "-g")) {
print "Usage: nroff-scan.pl <docs root dir> [nroff files]\n";
exit;
}
shift @ARGV;
my @f = @ARGV;
my %manp;
sub manpresent {
my ($man) = @_;
if($manp{$man}) {
return 1;
}
elsif(-r "$docsroot/$man" ||
-r "$docsroot/libcurl/$man" ||
-r "$docsroot/libcurl/opts/$man") {
$manp{$man}=1;
return 1;
}
return 0;
}
sub file {
my ($f) = @_;
open(F, "<$f") ||
die "no file";
my $line = 1;
while(<F>) {
chomp;
my $l = $_;
while($l =~ s/\\f(.)([^ ]*)\\f(.)//) {
my ($pre, $str, $post)=($1, $2, $3);
if($post ne "P") {
print STDERR "error: $f:$line: missing \\fP after $str\n";
$errors++;
}
if($str =~ /((libcurl|curl)([^ ]*))\(3\)/i) {
my $man = "$1.3";
if(!manpresent($man)) {
print STDERR "error: $f:$line: refering to non-existing man page $man\n";
$errors++;
}
if($pre ne "I") {
print STDERR "error: $f:$line: use \\fI before $str\n";
$errors++;
}
}
}
if($l =~ /(curl([^ ]*)\(3\))/i) {
print STDERR "error: $f:$line: non-referencing $1\n";
$errors++;
}
if($l =~ /^\.BR (.*)/) {
my $i= $1;
while($i =~ s/((lib|)curl([^ ]*)) *\"\(3\)(,|) *\" *//i ) {
my $man = "$1.3";
if(!manpresent($man)) {
print STDERR "error: $f:$line: refering to non-existing man page $man\n";
$errors++;
}
}
}
$line++;
}
close(F);
}
foreach my $f (@f) {
file($f);
}
exit $errors?1:0;