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#!perl -w
use strict;
use Test::More;
use Pod::Parser;
use File::Find;
use File::Spec::Functions qw(rel2abs abs2rel splitdir);
# external stuff we refer to
my @known =
qw(perl Affix::Infix2Postfix Parse::RecDescent GD Image::Magick Graphics::Magick CGI Image::ExifTool XSLoader DynaLoader);
my @pod; # files with pod
my $base = rel2abs("blib/lib");
my @files;
find(sub {
-f && /\.(pod|pm)$/
and push @files, $File::Find::name;
}, $base);
my %targets = map { $_ => {} } @known;
my %item_in;
for my $file (@files) {
my $parser = PodPreparse->new;
my $link = abs2rel($file, $base);
$link =~ s/\.(pod|pm|pl|PL)$//;
$link = join("::", splitdir($link));
$parser->{'targets'} = \%targets;
$parser->{'link'} = $link;
$parser->{'file'} = $file;
$parser->{item_in} = \%item_in;
$parser->parse_from_file($file);
if ($targets{$link}) {
push @pod, $file;
}
}
plan tests => scalar(@pod);
for my $file (@pod) {
my $parser = PodLinkCheck->new;
$parser->{"targets"} = \%targets;
my $relfile = abs2rel($file, $base);
(my $link = $relfile) =~ s/\.(pod|pm|pl|PL)$//;
$link = join("::", splitdir($link));
$parser->{"file"} = $relfile;
$parser->{"link"} = $link;
my @errors;
$parser->{"errors"} = \@errors;
$parser->{item_in} = \%item_in;
$parser->parse_from_file($file);
unless (ok(!@errors, "check links in $relfile")) {
print "# $_\n" for @errors;
}
}
package PodPreparse;
BEGIN { our @ISA = qw(Pod::Parser); }
sub command {
my ($self, $cmd, $para) = @_;
my $targets = $self->{"targets"};
my $link = $self->{"link"};
$targets->{$link} ||= {};
if ($cmd =~ /^(head[1-5]|item)/) {
$para =~ s/X<.*?>//g;
$para =~ s/\s+$//;
$targets->{$link}{$para} = 1;
push @{$self->{item_in}{$para}}, $link;
}
}
sub verbatim {}
sub textblock {}
package PodLinkCheck;
BEGIN { our @ISA = qw(Pod::Parser); }
sub command {}
sub verbatim {}
sub textblock {
my ($self, $para, $line_num) = @_;
$self->parse_text
(
{ -expand_seq => "sequence" },
$para, $line_num,
);
}
sub sequence {
my ($self, $seq) = @_;
if ($seq->cmd_name eq "L") {
my $raw = $seq->raw_text;
my $base_link = $seq->parse_tree->raw_text;
$base_link =~ /^(https?|ftp|mailto):/
and return '';
(my $link = $base_link) =~ s/.*\|//;
my ($pod, $part) = split m(/), $link, 2;
$pod ||= $self->{link};
if ($part) {
$part =~ s/^\"//;
$part =~ s/"$//;
}
my $targets = $self->{targets};
my $errors = $self->{errors};
(undef, my $line) = $seq->file_line;
if (!$targets->{$pod}) {
push @$errors, "$line: No $pod found ($raw)";
}
elsif ($part && !$targets{$pod}{$part}) {
push @$errors, "$line: No item/section '$part' found in $pod ($raw)";
if ($self->{item_in}{$part}) {
push @$errors, " $part can be found in:";
push @$errors, map " $_", @{$self->{item_in}{$part}};
}
}
}
return $seq->raw_text;
}
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