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https://github.com/SoftFever/OrcaSlicer.git
synced 2025-10-31 04:31:15 -06:00
92 lines
3.2 KiB
Perl
92 lines
3.2 KiB
Perl
package Slic3r::Format::AMF::Parser;
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use strict;
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use warnings;
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use XML::SAX::PurePerl;
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use base 'XML::SAX::Base';
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my %xyz_index = (x => 0, y => 1, z => 2); #=
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sub new {
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my $self = shift->SUPER::new(@_);
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$self->{_tree} = [];
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$self;
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}
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sub start_element {
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my $self = shift;
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my $data = shift;
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if ($data->{LocalName} eq 'vertex') {
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$self->{_vertex} = ["", "", ""];
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} elsif ($self->{_vertex} && $data->{LocalName} =~ /^[xyz]$/ && $self->{_tree}[-1] eq 'coordinates') {
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$self->{_coordinate} = $data->{LocalName};
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} elsif ($data->{LocalName} eq 'volume') {
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$self->{_volume_materialid} = $self->_get_attribute($data, 'materialid') || '_';
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$self->{_volume} = [];
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} elsif ($data->{LocalName} eq 'triangle') {
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$self->{_triangle} = [[], "", "", ""]; # empty normal
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} elsif ($self->{_triangle} && $data->{LocalName} =~ /^v([123])$/ && $self->{_tree}[-1] eq 'triangle') {
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$self->{_vertex_idx} = $1;
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} elsif ($data->{LocalName} eq 'material') {
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$self->{_material_id} = $self->_get_attribute($data, 'id') || '_';
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$self->{_material} = {};
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} elsif ($data->{LocalName} eq 'metadata' && $self->{_tree}[-1] eq 'material') {
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$self->{_material_metadata_type} = $self->_get_attribute($data, 'type');
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$self->{_material}{ $self->{_material_metadata_type} } = "";
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}
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push @{$self->{_tree}}, $data->{LocalName};
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}
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sub characters {
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my $self = shift;
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my $data = shift;
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if ($self->{_vertex} && $self->{_coordinate}) {
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$self->{_vertex}[ $xyz_index{$self->{_coordinate}} ] .= $data->{Data};
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} elsif ($self->{_triangle} && defined $self->{_vertex_idx}) {
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$self->{_triangle}[ $self->{_vertex_idx} ] .= $data->{Data};
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} elsif ($self->{_material_metadata_type}) {
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$self->{_material}{ $self->{_material_metadata_type} } .= $data->{Data};
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}
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}
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sub end_element {
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my $self = shift;
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my $data = shift;
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pop @{$self->{_tree}};
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if ($data->{LocalName} eq 'vertex') {
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push @{$self->{_vertices}}, $self->{_vertex};
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$self->{_vertex} = undef;
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} elsif ($self->{_coordinate} && $data->{LocalName} =~ /^[xyz]$/) {
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$self->{_coordinate} = undef;
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} elsif ($data->{LocalName} eq 'volume') {
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$self->{_meshes_by_material}{ $self->{_volume_materialid} } ||= [];
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push @{ $self->{_meshes_by_material}{ $self->{_volume_materialid} } }, @{$self->{_volume}};
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$self->{_volume} = undef;
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} elsif ($data->{LocalName} eq 'triangle') {
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push @{$self->{_volume}}, $self->{_triangle};
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$self->{_triangle} = undef;
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} elsif ($self->{_vertex_idx} && $data->{LocalName} =~ /^v[123]$/) {
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$self->{_vertex_idx} = undef;
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} elsif ($data->{LocalName} eq 'material') {
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$self->{_materials}{ $self->{_material_id} } = $self->{_material};
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$self->{_material_id} = undef;
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$self->{_material} = undef;
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} elsif ($data->{LocalName} eq 'metadata' && $self->{_material}) {
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$self->{_material_metadata_type} = undef;
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}
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}
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sub _get_attribute {
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my $self = shift;
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my ($data, $name) = @_;
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return +(map $_->{Value}, grep $_->{Name} eq $name, values %{$data->{Attributes}})[0];
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}
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1;
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