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use core::hash::Hash;
use core::fmt::{self, Debug, Display, Formatter};
use core::ops::{Add, Sub, AddAssign, SubAssign};
use num_traits::identities;
use num_traits::{Bounded, WrappingAdd, WrappingSub, CheckedAdd, CheckedSub};
#[cfg(feature="use-serde")]
use serde::{Deserialize, Serialize};
pub trait AddressBase where Self:
Debug + Display + AddressDisplay +
Copy + Clone + Sized + Hash +
Ord + Eq + PartialEq + Bounded +
Add<Output=Self> + Sub<Output=Self> +
AddAssign + SubAssign +
WrappingAdd + WrappingSub +
CheckedAdd + CheckedSub +
Hash +
identities::One + identities::Zero {
fn to_linear(&self) -> usize;
}
#[cfg(all(feature="use-serde", feature="address-parse"))]
pub trait Address where Self:
AddressBase +
Serialize + for<'de> Deserialize<'de> +
AddrParse {
}
#[cfg(all(feature="use-serde", not(feature="address-parse")))]
pub trait Address where Self:
AddressBase +
Serialize + for<'de> Deserialize<'de> {
}
#[cfg(all(not(feature="use-serde"), feature="address-parse"))]
pub trait Address where Self:
AddressBase + AddrParse {
}
#[cfg(all(not(feature="use-serde"), not(feature="address-parse")))]
pub trait Address where Self: AddressBase { }
impl AddressBase for u16 {
fn to_linear(&self) -> usize { *self as usize }
}
impl Address for u16 {}
impl AddressBase for u32 {
fn to_linear(&self) -> usize { *self as usize }
}
impl Address for u32 {}
impl AddressBase for u64 {
fn to_linear(&self) -> usize { *self as usize }
}
impl Address for u64 {}
impl AddressBase for usize {
fn to_linear(&self) -> usize { *self }
}
impl Address for usize {}
pub trait AddressDisplay {
fn show(&self, f: &mut Formatter) -> fmt::Result;
}
impl AddressDisplay for usize {
fn show(&self, f: &mut Formatter) -> fmt::Result {
write!(f, "{:#x}", self)
}
}
impl AddressDisplay for u64 {
fn show(&self, f: &mut Formatter) -> fmt::Result {
write!(f, "{:#x}", self)
}
}
impl AddressDisplay for u32 {
fn show(&self, f: &mut Formatter) -> fmt::Result {
write!(f, "{:#x}", self)
}
}
impl AddressDisplay for u16 {
fn show(&self, f: &mut Formatter) -> fmt::Result {
write!(f, "{:#x}", self)
}
}
/*
* TODO: this should be FromStr.
* that would require newtyping address primitives, though
*
* this is not out of the question, BUT is way more work than
* i want to put in right now
*
* this is one of those "clean it up later" situations
*/
#[cfg(feature="address-parse")]
use core::str::FromStr;
#[cfg(feature="address-parse")]
pub trait AddrParse: Sized {
type Err;
fn parse_from(s: &str) -> Result<Self, Self::Err>;
}
#[cfg(feature="address-parse")]
impl AddrParse for usize {
type Err = core::num::ParseIntError;
fn parse_from(s: &str) -> Result<Self, Self::Err> {
if s.starts_with("0x") {
usize::from_str_radix(&s[2..], 16)
} else {
usize::from_str(s)
}
}
}
#[cfg(feature="address-parse")]
impl AddrParse for u64 {
type Err = core::num::ParseIntError;
fn parse_from(s: &str) -> Result<Self, Self::Err> {
if s.starts_with("0x") {
u64::from_str_radix(&s[2..], 16)
} else {
u64::from_str(s)
}
}
}
#[cfg(feature="address-parse")]
impl AddrParse for u32 {
type Err = core::num::ParseIntError;
fn parse_from(s: &str) -> Result<Self, Self::Err> {
if s.starts_with("0x") {
u32::from_str_radix(&s[2..], 16)
} else {
u32::from_str(s)
}
}
}
#[cfg(feature="address-parse")]
impl AddrParse for u16 {
type Err = core::num::ParseIntError;
fn parse_from(s: &str) -> Result<Self, Self::Err> {
if s.starts_with("0x") {
u16::from_str_radix(&s[2..], 16)
} else {
u16::from_str(s)
}
}
}
|
