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#[cfg(feature = "nom")] #[macro_use] mod nom; make_add_macro! { name: add_borrow; type: ::std::borrow::Borrow<[u8]>; body: { fn borrow(&self) -> &[u8] { self.as_ref() } } } make_add_macro! { name: add_read; type: ::std::io::Read; body: { fn read(&mut self, buf: &mut [u8]) -> ::std::io::Result<usize> { if self.remaining() > buf.len() { self.next_bytes(buf)?; Ok(buf.len()) } else { let read = self.remaining(); for i in 0..read { buf[i] = self.next_u8()?; } Ok(read) } } } } make_add_macro! { name: add_seek; type: ::std::io::Seek; body: { fn seek(&mut self, pos: ::std::io::SeekFrom) -> ::std::io::Result<u64> { match pos { ::std::io::SeekFrom::Start(to) => self.advance_to(to as usize)?, ::std::io::SeekFrom::Current(by) => self.advance_to( (self.current_offset() as i64 + by) as usize)?, ::std::io::SeekFrom::End(point) => self.advance_to( (self.upper_offset_limit() as i64 - point) as usize)?, }; Ok(self.current_offset() as u64) } } } make_add_macro! { name: add_bufread; type: ::std::io::BufRead; body: { fn fill_buf(&mut self) -> ::std::io::Result<&[u8]> { if self.remaining() >= 4096 { Ok(self.subseq(self.current_offset(), 4096)?) } else { Ok(self.subseq(self.current_offset(), self.remaining())?) } } fn consume(&mut self, amt: usize) { if !self.is_empty() { if self.remaining() < amt { self.advance_by(self.remaining() as isize).unwrap(); } else { self.advance_by(amt as isize).unwrap(); } } } } }