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package Pod::Weaver::Section::Template;
use Moose;
# ABSTRACT: add pod section from a Text::Template template
with 'Pod::Weaver::Role::Section';
use Text::Template 'fill_in_file';
use Moose::Util::TypeConstraints;
subtype 'PWST::File',
as 'Str',
where { !m+^~/+ && -r },
message { "Couldn't read file $_" };
coerce 'PWST::File',
from 'Str',
via { s+^~/+$ENV{HOME}/+; $_ };
no Moose::Util::TypeConstraints;
has template => (
is => 'ro',
isa => 'PWST::File',
required => 1,
coerce => 1,
);
has header => (
is => 'ro',
isa => 'Str',
default => sub { shift->plugin_name },
);
has main_module_only => (
is => 'ro',
isa => 'Bool',
);
has delim => (
is => 'ro',
isa => 'ArrayRef[Str]',
default => sub { ['{{', '}}'] },
);
has extra_args => (
is => 'rw',
isa => 'HashRef',
);
sub BUILD {
my $self = shift;
my ($args) = @_;
my $copy = {%$args};
delete $copy->{$_}
for map { $_->init_arg } $self->meta->get_all_attributes;
$self->extra_args($copy);
}
sub main_module_name {
my $self = shift;
my ($zilla) = @_;
return unless $zilla;
my $main_module_name = $zilla->main_module->name;
my $root = $zilla->root->stringify;
$main_module_name =~ s:^\Q$root::;
$main_module_name =~ s:lib/::;
$main_module_name =~ s+/+::+g;
$main_module_name =~ s/\.pm//;
return $main_module_name;
}
sub parse_pod {
my $self = shift;
my ($pod) = @_;
# ensure it's a valid pod document
$pod = "=pod\n\n$pod\n";
my $children = Pod::Elemental->read_string($pod)->children;
# but strip off the bits we had to add
shift @$children
while $children->[0]->isa('Pod::Elemental::Element::Generic::Blank')
|| ($children->[0]->isa('Pod::Elemental::Element::Generic::Command')
&& $children->[0]->command eq 'pod');
my $blank;
$blank = pop @$children
while $children->[-1]->isa('Pod::Elemental::Element::Generic::Blank');
push @$children, $blank
if $blank;
return $children;
}
sub get_zilla_hash {
my $self = shift;
my ($zilla) = @_;
my %zilla_hash;
for my $attr ($zilla->meta->get_all_attributes) {
next if $attr->get_read_method =~ /^_/;
my $value = $attr->get_value($zilla);
$zilla_hash{$attr->name} = blessed($value) ? \$value : $value;
}
$zilla_hash{main_module_name} = $self->main_module_name($zilla);
return %zilla_hash;
}
sub weave_section {
my $self = shift;
my ($document, $input) = @_;
my $zilla = $input->{zilla};
if ($self->main_module_only) {
return if $zilla && $zilla->main_module->name ne $input->{filename};
}
die "Couldn't find file " . $self->template
unless -r $self->template;
my $pod = fill_in_file(
$self->template,
DELIMITERS => $self->delim,
HASH => {
$zilla ? ($self->get_zilla_hash($zilla)) : (),
%{ $self->extra_args },
},
);
push @{ $document->children },
Pod::Elemental::Element::Nested->new(
command => 'head1',
content => $self->header,
children => $self->parse_pod($pod),
);
}
__PACKAGE__->meta->make_immutable;
no Moose;
1;
|
