union Streams [src]

Fields

one: []const u8
four: [4][]const u8
Source

  pub const Streams = union(enum) {
    one: []const u8,
    four: [4][]const u8,

    fn decode(size_format: u2, stream_data: []const u8) !Streams {
        if (size_format == 0) {
            return .{ .one = stream_data };
        }

        if (stream_data.len < 6) return error.MalformedLiteralsSection;

        const stream_1_length: usize = std.mem.readInt(u16, stream_data[0..2], .little);
        const stream_2_length: usize = std.mem.readInt(u16, stream_data[2..4], .little);
        const stream_3_length: usize = std.mem.readInt(u16, stream_data[4..6], .little);

        const stream_1_start = 6;
        const stream_2_start = stream_1_start + stream_1_length;
        const stream_3_start = stream_2_start + stream_2_length;
        const stream_4_start = stream_3_start + stream_3_length;

        if (stream_data.len < stream_4_start) return error.MalformedLiteralsSection;

        return .{ .four = .{
            stream_data[stream_1_start .. stream_1_start + stream_1_length],
            stream_data[stream_2_start .. stream_2_start + stream_2_length],
            stream_data[stream_3_start .. stream_3_start + stream_3_length],
            stream_data[stream_4_start..],
        } };
    }
}  