GL Transmission Format, binary container: Perl parsing library

# This is a generated file! Please edit source .ksy file and use kaitai-struct-compiler to rebuild

use strict;
use warnings;
use IO::KaitaiStruct 0.009_000;
use Encode;

########################################################################
package GltfBinary;

our @ISA = 'IO::KaitaiStruct::Struct';

sub from_file {
    my ($class, $filename) = @_;
    my $fd;

    open($fd, '<', $filename) or return undef;
    binmode($fd);
    return new($class, IO::KaitaiStruct::Stream->new($fd));
}

our $CHUNK_TYPE_BIN = 5130562;
our $CHUNK_TYPE_JSON = 1313821514;

sub new {
    my ($class, $_io, $_parent, $_root) = @_;
    my $self = IO::KaitaiStruct::Struct->new($_io);

    bless $self, $class;
    $self->{_parent} = $_parent;
    $self->{_root} = $_root || $self;;

    $self->_read();

    return $self;
}

sub _read {
    my ($self) = @_;

    $self->{header} = GltfBinary::Header->new($self->{_io}, $self, $self->{_root});
    $self->{chunks} = ();
    while (!$self->{_io}->is_eof()) {
        push @{$self->{chunks}}, GltfBinary::Chunk->new($self->{_io}, $self, $self->{_root});
    }
}

sub header {
    my ($self) = @_;
    return $self->{header};
}

sub chunks {
    my ($self) = @_;
    return $self->{chunks};
}

########################################################################
package GltfBinary::Header;

our @ISA = 'IO::KaitaiStruct::Struct';

sub from_file {
    my ($class, $filename) = @_;
    my $fd;

    open($fd, '<', $filename) or return undef;
    binmode($fd);
    return new($class, IO::KaitaiStruct::Stream->new($fd));
}

sub new {
    my ($class, $_io, $_parent, $_root) = @_;
    my $self = IO::KaitaiStruct::Struct->new($_io);

    bless $self, $class;
    $self->{_parent} = $_parent;
    $self->{_root} = $_root || $self;;

    $self->_read();

    return $self;
}

sub _read {
    my ($self) = @_;

    $self->{magic} = $self->{_io}->read_bytes(4);
    $self->{version} = $self->{_io}->read_u4le();
    $self->{length} = $self->{_io}->read_u4le();
}

sub magic {
    my ($self) = @_;
    return $self->{magic};
}

sub version {
    my ($self) = @_;
    return $self->{version};
}

sub length {
    my ($self) = @_;
    return $self->{length};
}

########################################################################
package GltfBinary::Chunk;

our @ISA = 'IO::KaitaiStruct::Struct';

sub from_file {
    my ($class, $filename) = @_;
    my $fd;

    open($fd, '<', $filename) or return undef;
    binmode($fd);
    return new($class, IO::KaitaiStruct::Stream->new($fd));
}

sub new {
    my ($class, $_io, $_parent, $_root) = @_;
    my $self = IO::KaitaiStruct::Struct->new($_io);

    bless $self, $class;
    $self->{_parent} = $_parent;
    $self->{_root} = $_root || $self;;

    $self->_read();

    return $self;
}

sub _read {
    my ($self) = @_;

    $self->{len_data} = $self->{_io}->read_u4le();
    $self->{type} = $self->{_io}->read_u4le();
    my $_on = $self->type();
    if ($_on == $GltfBinary::CHUNK_TYPE_JSON) {
        $self->{_raw_data} = $self->{_io}->read_bytes($self->len_data());
        my $io__raw_data = IO::KaitaiStruct::Stream->new($self->{_raw_data});
        $self->{data} = GltfBinary::Json->new($io__raw_data, $self, $self->{_root});
    }
    elsif ($_on == $GltfBinary::CHUNK_TYPE_BIN) {
        $self->{_raw_data} = $self->{_io}->read_bytes($self->len_data());
        my $io__raw_data = IO::KaitaiStruct::Stream->new($self->{_raw_data});
        $self->{data} = GltfBinary::Bin->new($io__raw_data, $self, $self->{_root});
    }
    else {
        $self->{data} = $self->{_io}->read_bytes($self->len_data());
    }
}

sub len_data {
    my ($self) = @_;
    return $self->{len_data};
}

sub type {
    my ($self) = @_;
    return $self->{type};
}

sub data {
    my ($self) = @_;
    return $self->{data};
}

sub _raw_data {
    my ($self) = @_;
    return $self->{_raw_data};
}

########################################################################
package GltfBinary::Json;

our @ISA = 'IO::KaitaiStruct::Struct';

sub from_file {
    my ($class, $filename) = @_;
    my $fd;

    open($fd, '<', $filename) or return undef;
    binmode($fd);
    return new($class, IO::KaitaiStruct::Stream->new($fd));
}

sub new {
    my ($class, $_io, $_parent, $_root) = @_;
    my $self = IO::KaitaiStruct::Struct->new($_io);

    bless $self, $class;
    $self->{_parent} = $_parent;
    $self->{_root} = $_root || $self;;

    $self->_read();

    return $self;
}

sub _read {
    my ($self) = @_;

    $self->{data} = Encode::decode("UTF-8", $self->{_io}->read_bytes_full());
}

sub data {
    my ($self) = @_;
    return $self->{data};
}

########################################################################
package GltfBinary::Bin;

our @ISA = 'IO::KaitaiStruct::Struct';

sub from_file {
    my ($class, $filename) = @_;
    my $fd;

    open($fd, '<', $filename) or return undef;
    binmode($fd);
    return new($class, IO::KaitaiStruct::Stream->new($fd));
}

sub new {
    my ($class, $_io, $_parent, $_root) = @_;
    my $self = IO::KaitaiStruct::Struct->new($_io);

    bless $self, $class;
    $self->{_parent} = $_parent;
    $self->{_root} = $_root || $self;;

    $self->_read();

    return $self;
}

sub _read {
    my ($self) = @_;

    $self->{data} = $self->{_io}->read_bytes_full();
}

sub data {
    my ($self) = @_;
    return $self->{data};
}

1;