| 22 | } |
| 23 | |
| 24 | pub fn convert_into(&self, uc: &Self) -> TokenStream { |
| 25 | let this_name = &self.ts.name; |
| 26 | let this_feature = &self.ts.feature; |
| 27 | let that_name = &uc.ts.name; |
| 28 | let that_feature = &uc.ts.feature; |
| 29 | let stmts = match self.info.bits_size.cmp(&uc.info.bits_size) { |
| 30 | cmp::Ordering::Equal => { |
| 31 | if self.info.unit_bits_size == uc.info.unit_bits_size { |
| 32 | // same inner |
| 33 | quote!( |
| 34 | let inner = self.inner(); |
| 35 | let val = #that_name::new(inner.clone()); |
| 36 | (val, false) |
| 37 | ) |
| 38 | } else if uc.info.unit_bits_size == 8 { |
| 39 | // into u8 array |
| 40 | let that_unit_amount = &uc.ts.unit_amount; |
| 41 | quote!( |
| 42 | let mut inner = [0u8; #that_unit_amount]; |
| 43 | self.into_little_endian(&mut inner[..]).unwrap(); |
| 44 | let val = #that_name::new(inner); |
| 45 | (val, false) |
| 46 | ) |
| 47 | } else if self.info.unit_bits_size == 8 { |
| 48 | // from u8 array |
| 49 | quote!( |
| 50 | let inner = self.inner(); |
| 51 | let val = #that_name::from_little_endian(&inner[..]).unwrap(); |
| 52 | (val, false) |
| 53 | ) |
| 54 | } else { |
| 55 | // same size, diff inner, no u8 array |
| 56 | let that_bytes_size = &uc.ts.bytes_size; |
| 57 | quote!( |
| 58 | let mut tmp = [0u8; #that_bytes_size]; |
| 59 | self.into_little_endian(&mut tmp[..]).unwrap(); |
| 60 | let val = #that_name::from_little_endian(&tmp[..]).unwrap(); |
| 61 | (val, false) |
| 62 | ) |
| 63 | } |
| 64 | } |
| 65 | cmp::Ordering::Less => { |
| 66 | let this_bytes_size = &self.ts.bytes_size; |
| 67 | quote!( |
| 68 | let mut tmp = [0u8; #this_bytes_size]; |
| 69 | self.into_little_endian(&mut tmp[..]).unwrap(); |
| 70 | let val = #that_name::from_little_endian(&tmp[..]).unwrap(); |
| 71 | (val, false) |
| 72 | ) |
| 73 | } |
| 74 | cmp::Ordering::Greater => { |
| 75 | let this_bytes_size = &self.ts.bytes_size; |
| 76 | let that_bytes_size = &uc.ts.bytes_size; |
| 77 | quote!( |
| 78 | let mut tmp = [0u8; #this_bytes_size]; |
| 79 | self.into_little_endian(&mut tmp[..]).unwrap(); |
| 80 | let val = #that_name::from_little_endian(&tmp[..#that_bytes_size]).unwrap(); |
| 81 | (val, true) |