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#![deny(missing_docs)]
#[macro_use]
extern crate anyhow;
#[macro_use]
extern crate bitflags;
#[macro_use]
extern crate lazy_static;
#[macro_use]
extern crate num_derive;
#[macro_use]
extern crate serde;
#[macro_use]
extern crate thiserror;
#[cfg(feature = "apiv1")]
mod apiv1;
mod beatmap;
mod color;
mod enums;
mod hitobject;
mod hitsounds;
mod math;
mod osudb;
mod parsing;
#[cfg(feature = "replay")]
mod replay;
mod spline;
mod timing;
#[cfg(feature = "apiv1")]
pub use crate::apiv1::*;
pub use crate::beatmap::*;
pub use crate::color::*;
pub use crate::enums::*;
pub use crate::hitobject::*;
pub use crate::hitsounds::*;
pub use crate::math::*;
pub use crate::osudb::*;
#[cfg(feature = "replay")]
pub use crate::replay::*;
pub use crate::spline::*;
pub use crate::timing::*;
macro_rules! read_num_le_fn {
($name:ident => $typ:ident) => {
pub(crate) fn $name<R: std::io::Read>(reader: &mut R) -> Result<$typ, anyhow::Error> {
let mut buf: [u8; std::mem::size_of::<$typ>()] = [0; std::mem::size_of::<$typ>()];
reader.read_exact(&mut buf)?;
Ok($typ::from_le_bytes(buf))
}
};
}
read_num_le_fn!(read_u8 => u8);
read_num_le_fn!(read_u16le => u16);
read_num_le_fn!(read_u32le => u32);
read_num_le_fn!(read_u64le => u64);
read_num_le_fn!(read_f32le => f32);
read_num_le_fn!(read_f64le => f64);
pub(crate) fn read_uleb128<R: std::io::Read>(reader: &mut R) -> Result<u64, anyhow::Error> {
let mut buf: [u8; 1] = [0];
let mut byte_index = 0;
reader.read_exact(&mut buf)?;
let mut total = (buf[0] & 0b01111111) as u64;
while (buf[0] & 0b10000000) == 0b10000000 {
byte_index += 1;
if byte_index > 9 {
bail!("ULEB128 number may overflow u64");
}
reader.read_exact(&mut buf)?;
total += ((buf[0] & 0b01111111) as u64) << (7 * byte_index)
}
Ok(total)
}
pub(crate) fn read_uleb128_string<R: std::io::Read>(
reader: &mut R,
) -> Result<String, anyhow::Error> {
let mut empty_string_byte_buffer: [u8; 1] = [0];
reader.read_exact(&mut empty_string_byte_buffer)?;
if empty_string_byte_buffer[0] == 0 {
return Ok(String::new());
}
if empty_string_byte_buffer[0] != 0x0B {
bail!(
"expected string to start with either 0x0B or 0x00, got {:x}",
empty_string_byte_buffer[0]
);
}
let length = read_uleb128(reader)?;
if length == 0 {
return Ok(String::new());
}
let mut read_buffer = vec![0u8; length as usize];
reader.read_exact(read_buffer.as_mut())?;
Ok(String::from_utf8(read_buffer)?)
}
#[deprecated]
pub fn say_hello_there() {
println!("hello there");
}