/usr/share/perl5/Slic3r/Format/AMF/Parser.pm is in slic3r 1.1.7+dfsg-2+b1.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 | package Slic3r::Format::AMF::Parser;
use strict;
use warnings;
use base 'XML::SAX::Base';
my %xyz_index = (x => 0, y => 1, z => 2); #=
sub new {
my $self = shift->SUPER::new(@_);
$self->{_tree} = [];
$self->{_objects_map} = {}; # this hash maps AMF object IDs to object indexes in $model->objects
$self->{_instances} = {}; # apply these lazily to make sure all objects have been parsed
$self;
}
sub start_element {
my $self = shift;
my $data = shift;
if ($data->{LocalName} eq 'object') {
$self->{_object} = $self->{_model}->add_object;
$self->{_object_vertices} = [];
$self->{_objects_map}{ $self->_get_attribute($data, 'id') } = $#{ $self->{_model}->objects };
} elsif ($data->{LocalName} eq 'vertex') {
$self->{_vertex} = ["", "", ""];
} elsif ($self->{_vertex} && $data->{LocalName} =~ /^[xyz]$/ && $self->{_tree}[-1] eq 'coordinates') {
$self->{_coordinate} = $data->{LocalName};
} elsif ($data->{LocalName} eq 'volume') {
$self->{_volume} = $self->{_object}->add_volume(
material_id => $self->_get_attribute($data, 'materialid') // undef,
mesh => Slic3r::TriangleMesh->new,
);
$self->{_volume_facets} = [];
} elsif ($data->{LocalName} eq 'triangle') {
$self->{_triangle} = ["", "", ""];
} elsif ($self->{_triangle} && $data->{LocalName} =~ /^v([123])$/ && $self->{_tree}[-1] eq 'triangle') {
$self->{_vertex_idx} = $1-1;
} elsif ($data->{LocalName} eq 'material') {
my $material_id = $self->_get_attribute($data, 'id') // '_';
$self->{_material} = $self->{_model}->set_material($material_id);
} elsif ($data->{LocalName} eq 'metadata') {
$self->{_metadata_type} = $self->_get_attribute($data, 'type');
$self->{_metadata_value} = '';
} elsif ($data->{LocalName} eq 'constellation') {
$self->{_constellation} = 1; # we merge all constellations as we don't support more than one
} elsif ($data->{LocalName} eq 'instance' && $self->{_constellation}) {
my $object_id = $self->_get_attribute($data, 'objectid');
$self->{_instances}{$object_id} ||= [];
push @{ $self->{_instances}{$object_id} }, $self->{_instance} = {};
} elsif ($data->{LocalName} =~ /^(?:deltax|deltay|rz)$/ && $self->{_instance}) {
$self->{_instance_property} = $data->{LocalName};
}
push @{$self->{_tree}}, $data->{LocalName};
}
sub characters {
my $self = shift;
my $data = shift;
if ($self->{_vertex} && $self->{_coordinate}) {
$self->{_vertex}[ $xyz_index{$self->{_coordinate}} ] .= $data->{Data};
} elsif ($self->{_triangle} && defined $self->{_vertex_idx}) {
$self->{_triangle}[ $self->{_vertex_idx} ] .= $data->{Data};
} elsif ($self->{_metadata_type}) {
$self->{_metadata_value} .= $data->{Data};
} elsif ($self->{_instance_property}) {
$self->{_instance}{ $self->{_instance_property} } .= $data->{Data};
}
}
sub end_element {
my $self = shift;
my $data = shift;
pop @{$self->{_tree}};
if ($data->{LocalName} eq 'object') {
$self->{_object} = undef;
$self->{_object_vertices} = undef;
} elsif ($data->{LocalName} eq 'vertex') {
push @{$self->{_object_vertices}}, $self->{_vertex};
$self->{_vertex} = undef;
} elsif ($self->{_coordinate} && $data->{LocalName} =~ /^[xyz]$/) {
$self->{_coordinate} = undef;
} elsif ($data->{LocalName} eq 'volume') {
$self->{_volume}->mesh->ReadFromPerl($self->{_object_vertices}, $self->{_volume_facets});
$self->{_volume}->mesh->repair;
$self->{_volume} = undef;
$self->{_volume_facets} = undef;
} elsif ($data->{LocalName} eq 'triangle') {
push @{$self->{_volume_facets}}, $self->{_triangle};
$self->{_triangle} = undef;
} elsif (defined $self->{_vertex_idx} && $data->{LocalName} =~ /^v[123]$/) {
$self->{_vertex_idx} = undef;
} elsif ($data->{LocalName} eq 'material') {
$self->{_material} = undef;
} elsif ($data->{LocalName} eq 'metadata') {
my $value = $self->{_metadata_value};
if ($self->{_metadata_type} =~ /^slic3r\.(.+)/) {
my $opt_key = $1;
if (exists $Slic3r::Config::Options->{$opt_key}) {
my $config;
if ($self->{_material}) {
$config = $self->{_material}->config;
} elsif ($self->{_volume}) {
$config = $self->{_volume}->config;
} elsif ($self->{_object}) {
$config = $self->{_object}->config;
}
$config->set_deserialize($opt_key, $value) if defined $config;
} elsif ($opt_key eq 'modifier' && $self->{_volume}) {
$self->{_volume}->set_modifier($value);
}
} elsif ($self->{_material}) {
$self->{_material}->set_attribute($self->{_metadata_type}, $value);
}
$self->{_metadata_type} = undef;
$self->{_metadata_value} = undef;
} elsif ($data->{LocalName} eq 'constellation') {
$self->{_constellation} = undef;
} elsif ($data->{LocalName} eq 'instance') {
$self->{_instance} = undef;
} elsif ($data->{LocalName} =~ /^(?:deltax|deltay|rz)$/ && $self->{_instance}) {
$self->{_instance_property} = undef;
}
}
sub end_document {
my $self = shift;
foreach my $object_id (keys %{ $self->{_instances} }) {
my $new_object_id = $self->{_objects_map}{$object_id};
if (!defined $new_object_id) {
warn "Undefined object $object_id referenced in constellation\n";
next;
}
foreach my $instance (@{ $self->{_instances}{$object_id} }) {
$self->{_model}->objects->[$new_object_id]->add_instance(
rotation => $instance->{rz} || 0,
offset => Slic3r::Pointf->new($instance->{deltax} || 0, $instance->{deltay} || 0),
);
}
}
}
sub _get_attribute {
my $self = shift;
my ($data, $name) = @_;
return +(map $_->{Value}, grep $_->{Name} eq $name, values %{$data->{Attributes}})[0];
}
1;
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