/usr/share/perl5/Data/Stag/IndentWriter.pm is in libdata-stag-perl 0.11-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 | package Data::Stag::IndentWriter;
=head1 NAME
Data::Stag::IndentWriter - writes stag events into stag indent format
=head1 SYNOPSIS
=cut
=head1 DESCRIPTION
=head1 PUBLIC METHODS -
=cut
use strict;
use base qw(Data::Stag::Writer);
use Carp;
use vars qw($VERSION);
$VERSION="0.11";
sub fmtstr {
return 'indent';
}
sub stack {
my $self = shift;
$self->{_stack} = shift if @_;
return $self->{_stack};
}
sub indent_txt {
my $self = shift;
my $stack = $self->stack;
return " " x scalar(@$stack);
}
sub o {
my $self = shift;
$self->addtext("@_");
}
sub unclosed {
my $self = shift;
$self->{_unclosed} = shift if @_;
return $self->{_unclosed};
}
sub in_attr {
my $self = shift;
$self->{_in_attr} = shift if @_;
return $self->{_in_attr};
}
sub start_event {
my $self = shift;
my $ev = shift;
my $stack = $self->stack;
if ($ev eq '@') {
$self->o('[');
$self->in_attr(1);
}
elsif ($ev eq '.') {
# pcdata for element with attributes
# do nothing
}
elsif ($self->in_attr) {
if ($self->in_attr > 1) {
$self->o(' ');
}
$self->o("$ev=");
$self->in_attr(2);
}
elsif ($ev eq '') {
# ignore null nodes
}
else {
my $tag = "$ev";
if ($self->use_color) {
$tag = color('red').$ev.color('reset');
}
my $nl = "\n";
if (@$stack == 1) {
$nl = "\n\n";
}
$self->addtext($nl . $self->indent_txt() . $tag);
$self->unclosed(1);
}
push(@$stack, $ev);
}
sub end_event {
my $self = shift;
my $ev = shift;
my $stack = $self->stack;
my $top = pop @$stack;
$top eq $ev or confess("$top ne $ev");
if ($self->in_attr) {
if ($ev eq '@') {
$self->in_attr(0);
$self->o(']');
}
}
elsif ($ev eq '.') {
# end of pcdata for element with attributes
}
else {
if (!@$stack) {
$self->o("\n");
}
}
return $ev;
}
sub evbody {
my $self = shift;
my $body = shift;
my $str = itextesc($body);
if ($self->in_attr) {
$self->addtext($str);
}
else {
if ($self->use_color) {
$str = color('white').$str;
}
$self->addtext(' "'.$str.'"');
}
return;
}
sub itextesc {
my $w = shift;
if (!defined($w)) {
$w='';
}
$w =~ s/\"/\\\"/g;
return $w;
}
# this should already be require'd in Writer.pm
sub color {
Term::ANSIColor::color(@_);
}
1;
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