use core::{cmp, fmt};
pub const SEP: char = ':';
pub const NEWLINE: &str = "\r\n";
pub const LEN_SIZE: usize = 10;
pub const VERSION: &str = "Version";
pub const START_FRAGMENT: &str = "StartFragment";
pub const END_FRAGMENT: &str = "EndFragment";
pub const START_HTML: &str = "StartHTML";
pub const END_HTML: &str = "EndHTML";
pub const BODY_HEADER: &str = "\r\n\r\n";
pub const BODY_FOOTER: &str = "\r\n\r\n";
pub struct LengthBuffer([u8; LEN_SIZE]);
impl LengthBuffer {
#[inline(always)]
pub const fn new() -> Self {
Self([b'0'; LEN_SIZE])
}
#[inline(always)]
pub const fn len(&self) -> usize {
self.0.len()
}
#[inline(always)]
pub const fn as_ptr(&self) -> *const u8 {
self.0.as_ptr()
}
}
impl AsRef<[u8]> for LengthBuffer {
#[inline(always)]
fn as_ref(&self) -> &[u8] {
self.0.as_slice()
}
}
impl fmt::Write for LengthBuffer {
fn write_str(&mut self, input: &str) -> fmt::Result {
debug_assert!(input.len() <= self.0.len());
let size = cmp::min(input.len(), self.0.len());
self.0[10-size..].copy_from_slice(&input.as_bytes()[..size]);
Ok(())
}
}
//Samples
//DATA=Version:0.9
//StartHTML:0000000187
//EndHTML:0000001902
//StartFragment:0000000223
//EndFragment:0000001866
//
//
//
//
//
//
//
//Version:0.9\r\nStartHTML:0000000105\r\nEndHTML:0000000187\r\nStartFragment:0000000141\r\nEndFragment:0000000151\r\n\r\n\r\n1
\r\n\r\n