binarystream 1.2.0

Binarystream is a simple package designed to simplify streaming of binary data in Javascript, while being written in Rust.
Documentation 
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

use napi_derive::napi;
use crate::binary::{ BinaryStream, Endianness };

#[napi]
/**

 * **Int32**
 * 
 * Represents a signed 32-bit ( 4 bytes ) integer. ( -2147483648 to 2147483647 )
*/
pub struct Int32 {}

#[napi]
impl Int32 {
  #[napi]
  /**

   * **read**
   * 
   * Reads a signed 32-bit ( 4 bytes ) integer from the stream. ( -2147483648 to 2147483647 )
  */
  pub fn read(stream: &mut BinaryStream, endian: Option<Endianness>) -> i32 {
    let endian = endian.unwrap_or(Endianness::Big);
    let bytes = stream.read(4);
    match endian {
      Endianness::Big => return i32::from_be_bytes([bytes[0], bytes[1], bytes[2], bytes[3]]),
      Endianness::Little => return i32::from_le_bytes([bytes[0], bytes[1], bytes[2], bytes[3]]),
    }
  }

  #[napi]
  /**

   * **write**
   * 
   * Writes a signed 32-bit ( 4 bytes ) integer to the stream. ( -2147483648 to 2147483647 )
  */
  pub fn write(stream: &mut BinaryStream, value: i32, endian: Option<Endianness>) {
    let endian = endian.unwrap_or(Endianness::Big);
    match endian {
      Endianness::Big => stream.write(value.to_be_bytes().to_vec()),
      Endianness::Little => stream.write(value.to_le_bytes().to_vec()),
    }
  }
}