File: gtkdoc-check.in

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gtk-doc 1.15-2
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#!@PERL@ -w
# -*- cperl -*-
#
# gtk-doc - GTK DocBook documentation generator.
# Copyright (C) 2007  David Nečas
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#

#############################################################################
# Script      : gtkdoc-check
# Description : Runs various checks on built documentation and outputs test
#		results. Can be run druring make check, by adding this to the
#		documentations Makefile.am: TESTS = $(GTKDOC_CHECK)
#############################################################################

use strict;
use Getopt::Long;

my $PRINT_VERSION;
my $PRINT_HELP;

my %optctl = ('version' => \$PRINT_VERSION,
	      'help' => \$PRINT_HELP);
GetOptions(\%optctl, "version", "help");

if ($PRINT_VERSION) {
    print "@VERSION@\n";
    exit 0;
}

if ($PRINT_HELP) {
    print <<EOF;
gtkdoc-check version @VERSION@ - run documentation unit tests

--version               Print the version of this program
--help                  Print this help
EOF
    exit 0;
}

my $DOC_MODULE;
my $checks = 3;

# We like Makefile.am more but builddir does not necessarily contain one.
my $makefile = (-f 'Makefile.am') ? 'Makefile.am' : 'Makefile';
$DOC_MODULE = &Grep('^\s*DOC_MODULE\s*=\s*(\S+)', $makefile, 'DOC_MODULE');

print "Running suite(s): gtk-doc-$DOC_MODULE\n";

my $undocumented = int &Grep('^(\d+)\s+not\s+documented\.\s*$',
                             "$DOC_MODULE-undocumented.txt",
                             'number of undocumented symbols');
my $incomplete = int &Grep('^(\d+)\s+symbols?\s+incomplete\.\s*$',
                           "$DOC_MODULE-undocumented.txt",
                           'number of incomplete symbols');
my $total = $undocumented + $incomplete;
if ($total) {
    print "$DOC_MODULE-undocumented.txt:1:E: $total undocumented or incomplete symbols\n";
}

my $undeclared = &CheckEmpty("$DOC_MODULE-undeclared.txt",
                             'undeclared symbols');
my $unused = &CheckEmpty("$DOC_MODULE-unused.txt",
                         'unused documentation entries');

my $failed = ($total > 0) + ($undeclared != 0) + ($unused != 0);
my $rate = 100.0*($checks - $failed)/$checks;
printf "%.1f%%: Checks %d, Failures: %d\n", $rate, $checks, $failed;
exit ($failed != 0);

sub Grep() {
    my ($regexp, $filename, $what) = @_;
    my $retval;

    if (not open GFILE, "<$filename") {
        die "Cannot open $filename: $!\n";
    }
    while (<GFILE>) {
        next if not m/$regexp/;
        $retval = $1;
        last;
    }
    close GFILE;
    if (not defined $retval) {
        die "Cannot find $what in $filename\n";
    }
    return $retval;
}

sub CheckEmpty() {
    my ($filename, $what) = @_;
    my $count = 0;

    if (not open GFILE, "<$filename") {
        return $count;
    }
    while (<GFILE>) {
        if (m/\S/) {
            $count++
        }
    }
    close GFILE;
    if ($count) {
        print "$filename:1:E: $count $what\n"
    }
    return $count;
}