Add `Arch` enum

src/arch.rs

@@ -0,0 +1,48 @@
+use {
+    crate::Error,
+    serde::{Deserialize, Serialize},
+    std::{fmt, str},
+};
+
+#[derive(Clone, Copy, Debug, Deserialize, Serialize, PartialEq, Eq)]
+pub enum Arch {
+    Any,
+    Arm,
+    Arm64,
+    RiscV64,
+    X86,
+    X86_64,
+}
+
+impl fmt::Display for Arch {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        write!(
+            f,
+            "{}",
+            match self {
+                Self::Any => "any",
+                Self::Arm => "armv7l",
+                Self::Arm64 => "aarch64",
+                Self::RiscV64 => "riscv64",
+                Self::X86 => "i486",
+                Self::X86_64 => "x86_64",
+            }
+        )
+    }
+}
+
+impl str::FromStr for Arch {
+    type Err = Error;
+
+    fn from_str(s: &str) -> Result<Self, Self::Err> {
+        match s {
+            "any" | "Any" | "noarch" => Ok(Self::Any),
+            "armv7l" | "ArmV7L" | "Armv7L" => Ok(Self::Arm),
+            "arm64" | "Arm64" | "aarch64" | "Aarch64" => Ok(Self::Arm64),
+            "RiscV64" | "riscv64" => Ok(Self::RiscV64),
+            "x86" | "X86" | "i486" => Ok(Self::X86),
+            "X86_64" | "Amd64" | "x86_64" | "amd64" => Ok(Self::X86_64),
+            _ => Err(Error::ParseArch),
+        }
+    }
+}

src/error.rs

@@ -7,6 +7,7 @@ use std::{
 pub enum Error {
     FromUint,
     Range,
+    ParseArch,
     ParseInt,
     ParseGitRev,
     ParsePreRelease,

src/lib.rs

@@ -1,5 +1,6 @@
 use std::{fmt, str::FromStr};
 
+mod arch;
 mod error;
 mod extended;
 mod gitrev;
@@ -9,8 +10,8 @@ mod semver;
 mod simple;
 
 pub use {
-    error::Error, extended::Extended, gitrev::GitRev, prerelease::PreRelease, rapid::Rapid,
-    semver::SemVer, simple::Simple,
+    arch::Arch, error::Error, extended::Extended, gitrev::GitRev, prerelease::PreRelease,
+    rapid::Rapid, semver::SemVer, simple::Simple,
 };
 
 pub static MAX_U12: u16 = 4096;