refactor(command_parser): simplify how tokens are defined in commands

crates/command_definitions/src/config.rs

@@ -3,10 +3,11 @@ use command_parser::parameter;
 use super::*;
 
 pub fn cmds() -> impl Iterator<Item = Command> {
-    let ap = tokens!(["config", "cfg"], ["autoproxy", "ap"]);
+    let cfg = ("config", ["cfg"]);
+    let ap = tokens!(cfg, ("autoproxy", ["ap"]));
 
-    let ap_account = concat_tokens!(ap, [["account", "ac"]]);
-    let ap_timeout = concat_tokens!(ap, [["timeout", "tm"]]);
+    let ap_account = tokens!(ap, ("account", ["ac"]));
+    let ap_timeout = tokens!(ap, ("timeout", ["tm"]));
 
     [
         command!(ap_account => "cfg_ap_account_show")
@@ -14,9 +15,9 @@ pub fn cmds() -> impl Iterator<Item = Command> {
         command!(ap_account, Toggle => "cfg_ap_account_update")
             .help("Toggles autoproxy for the account"),
         command!(ap_timeout => "cfg_ap_timeout_show").help("Shows the autoproxy timeout"),
-        command!(ap_timeout, parameter::RESET => "cfg_ap_timeout_reset")
+        command!(ap_timeout, ("reset", ["clear", "default"]) => "cfg_ap_timeout_reset")
             .help("Resets the autoproxy timeout"),
-        command!(ap_timeout, parameter::DISABLE => "cfg_ap_timeout_off")
+        command!(ap_timeout, parameter::Toggle::Off => "cfg_ap_timeout_off")
             .help("Disables the autoproxy timeout"),
         command!(ap_timeout, ("timeout", OpaqueString) => "cfg_ap_timeout_update")
             .help("Sets the autoproxy timeout"),

crates/command_definitions/src/fun.rs

@@ -2,8 +2,8 @@ use super::*;
 
 pub fn cmds() -> impl Iterator<Item = Command> {
     [
-        command!(["thunder"] => "fun_thunder"),
-        command!(["meow"] => "fun_meow"),
+        command!("thunder" => "fun_thunder"),
+        command!("meow" => "fun_meow"),
     ]
     .into_iter()
 }

crates/command_definitions/src/help.rs

@@ -1,13 +1,13 @@
 use super::*;
 
 pub fn cmds() -> impl Iterator<Item = Command> {
-    let help = ["help", "h"];
+    let help = ("help", ["h"]);
     [
-        command!([help] => "help")
+        command!(help => "help")
             .flag(("foo", OpaqueString)) // todo: just for testing
             .help("Shows the help command"),
-        command!([help, "commands"] => "help_commands").help("help commands"),
-        command!([help, "proxy"] => "help_proxy").help("help proxy"),
+        command!(help, "commands" => "help_commands").help("help commands"),
+        command!(help, "proxy" => "help_proxy").help("help proxy"),
     ]
     .into_iter()
 }

crates/command_definitions/src/lib.rs

@@ -18,9 +18,7 @@ pub mod server_config;
 pub mod switch;
 pub mod system;
 
-use command_parser::{
-    command, command::Command, concat_tokens, parameter::ParameterKind::*, tokens,
-};
+use command_parser::{command, command::Command, parameter::ParameterKind::*, tokens};
 
 pub fn all() -> impl Iterator<Item = Command> {
     (help::cmds())
@@ -29,3 +27,5 @@ pub fn all() -> impl Iterator<Item = Command> {
         .chain(config::cmds())
         .chain(fun::cmds())
 }
+
+pub const RESET: (&str, [&str; 2]) = ("reset", ["clear", "default"]);

crates/command_definitions/src/member.rs

@@ -1,17 +1,17 @@
 use super::*;
 
 pub fn cmds() -> impl Iterator<Item = Command> {
-    let member = ["member", "m"];
-    let description = ["description", "desc"];
-    let privacy = ["privacy", "priv"];
-    let new = ["new", "n"];
+    let member = ("member", ["m"]);
+    let description = ("description", ["desc"]);
+    let privacy = ("privacy", ["priv"]);
+    let new = ("new", ["n"]);
 
     let member_target = tokens!(member, MemberRef);
-    let member_desc = concat_tokens!(member_target, [description]);
-    let member_privacy = concat_tokens!(member_target, [privacy]);
+    let member_desc = tokens!(member_target, description);
+    let member_privacy = tokens!(member_target, privacy);
 
     [
-        command!([member, new, ("name", OpaqueString)] => "member_new")
+        command!(member, new, ("name", OpaqueString) => "member_new")
             .help("Creates a new system member"),
         command!(member_target => "member_show")
             .flag("pt")

crates/command_definitions/src/system.rs

@@ -1,13 +1,13 @@
 use super::*;
 
 pub fn cmds() -> impl Iterator<Item = Command> {
-    let system = ["system", "s"];
-    let new = ["new", "n"];
+    let system = ("system", ["s"]);
+    let new = ("new", ["n"]);
 
     let system_new = tokens!(system, new);
 
     [
-        command!([system] => "system_show").help("Shows information about your system"),
+        command!(system => "system_show").help("Shows information about your system"),
         command!(system_new => "system_new").help("Creates a new system"),
         command!(system_new, ("name", OpaqueString) => "system_new_name")
             .help("Creates a new system (using the provided name)"),

crates/command_parser/src/command.rs

@@ -90,27 +90,7 @@ impl Display for Command {
 // (and something like &dyn Trait would require everything to be referenced which doesnt look nice anyway)
 #[macro_export]
 macro_rules! command {
-    ([$($v:expr),+] => $cb:expr$(,)*) => {
+    ($($v:expr),+ => $cb:expr$(,)*) => {
         $crate::command::Command::new($crate::tokens!($($v),+), $cb)
     };
-    ($tokens:expr => $cb:expr$(,)*) => {
-        $crate::command::Command::new($tokens.clone(), $cb)
-    };
-    ($tokens:expr, $($v:expr),+ => $cb:expr$(,)*) => {
-        $crate::command::Command::new($crate::concat_tokens!($tokens.clone(), [$($v),+]), $cb)
-    };
-}
-
-#[macro_export]
-macro_rules! tokens {
-    ($($v:expr),+$(,)*) => {
-        [$($crate::token::Token::from($v)),+]
-    };
-}
-
-#[macro_export]
-macro_rules! concat_tokens {
-    ($tokens:expr, [$($v:expr),+]$(,)*) => {
-        $tokens.clone().into_iter().chain($crate::tokens!($($v),+).into_iter()).collect::<Vec<_>>()
-    };
 }

crates/command_parser/src/parameter.rs

@@ -2,6 +2,8 @@ use std::{fmt::Debug, str::FromStr};
 
 use smol_str::SmolStr;
 
+use crate::token::Token;
+
 #[derive(Debug, Clone)]
 pub enum ParameterValue {
     OpaqueString(String),
@@ -180,10 +182,7 @@ impl FromStr for PrivacyLevelKind {
     }
 }
 
-pub const ENABLE: [&str; 5] = ["on", "yes", "true", "enable", "enabled"];
-pub const DISABLE: [&str; 5] = ["off", "no", "false", "disable", "disabled"];
-
-#[derive(Debug, Clone, Eq, Hash, PartialEq)]
+#[derive(Debug, Clone, Copy, Eq, Hash, PartialEq)]
 pub enum Toggle {
     On,
     Off,
@@ -193,10 +192,20 @@ impl FromStr for Toggle {
     type Err = SmolStr;
 
     fn from_str(s: &str) -> Result<Self, Self::Err> {
-        match s {
-            ref s if ENABLE.contains(s) => Ok(Self::On),
-            ref s if DISABLE.contains(s) => Ok(Self::Off),
-            _ => Err("invalid toggle, must be on/off".into()),
+        let matches_self =
+            |toggle: &Self| matches!(Token::from(*toggle).try_match(Some(s)), Some(Ok(None)));
+        [Self::On, Self::Off]
+            .into_iter()
+            .find(matches_self)
+            .ok_or_else(|| SmolStr::new("invalid toggle, must be on/off"))
+    }
+}
+
+impl From<Toggle> for Token {
+    fn from(toggle: Toggle) -> Self {
+        match toggle {
+            Toggle::On => Self::from(("on", ["yes", "true", "enable", "enabled"])),
+            Toggle::Off => Self::from(("off", ["no", "false", "disable", "disabled"])),
         }
     }
 }
@@ -209,5 +218,3 @@ impl Into<bool> for Toggle {
         }
     }
 }
-
-pub const RESET: [&str; 3] = ["reset", "clear", "default"];

crates/command_parser/src/token.rs

@@ -104,46 +104,96 @@ impl Token {
 impl Display for Token {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         match self {
-            Token::Empty => write!(f, ""),
-            Token::Value { name, .. } => write!(f, "{name}"),
-            Token::Parameter(param) => param.kind().format(f, param.name()),
+            Self::Empty => write!(f, ""),
+            Self::Value { name, .. } => write!(f, "{name}"),
+            Self::Parameter(param) => param.kind().format(f, param.name()),
+        }
+    }
+}
+
+impl<const L: usize> From<(&str, [&str; L])> for Token {
+    fn from((name, aliases): (&str, [&str; L])) -> Self {
+        Self::Value {
+            name: name.into(),
+            aliases: aliases.into_iter().map(SmolStr::new).collect::<Vec<_>>(),
         }
     }
 }
 
 impl From<&str> for Token {
-    fn from(name: &str) -> Self {
-        Token::Value {
-            name: SmolStr::new(name),
-            aliases: Vec::new(),
-        }
-    }
-}
-
-impl<const L: usize> From<[&str; L]> for Token {
-    fn from(value: [&str; L]) -> Self {
-        assert!(value.len() > 0, "can't create a Token::Value from nothing");
-        Token::Value {
-            name: value[0].into(),
-            aliases: value.into_iter().skip(1).map(SmolStr::new).collect::<Vec<_>>(),
-        }
+    fn from(value: &str) -> Self {
+        Self::from((value, []))
     }
 }
 
 impl From<Parameter> for Token {
     fn from(value: Parameter) -> Self {
-        Token::Parameter(value)
+        Self::Parameter(value)
     }
 }
 
 impl From<ParameterKind> for Token {
     fn from(value: ParameterKind) -> Self {
-        Token::from(Parameter::from(value))
+        Self::from(Parameter::from(value))
     }
 }
 
 impl From<(&str, ParameterKind)> for Token {
     fn from(value: (&str, ParameterKind)) -> Self {
-        Token::from(Parameter::from(value))
+        Self::from(Parameter::from(value))
     }
 }
+
+#[derive(Debug, Clone)]
+pub struct TokensIterator {
+    inner: Vec<Token>,
+}
+
+impl Iterator for TokensIterator {
+    type Item = Token;
+
+    fn next(&mut self) -> Option<Self::Item> {
+        (self.inner.len() > 0).then(|| self.inner.remove(0))
+    }
+}
+
+impl<T: Into<Token>> From<T> for TokensIterator {
+    fn from(value: T) -> Self {
+        Self {
+            inner: vec![value.into()],
+        }
+    }
+}
+
+impl<const L: usize> From<[Token; L]> for TokensIterator {
+    fn from(value: [Token; L]) -> Self {
+        Self {
+            inner: value.into_iter().collect(),
+        }
+    }
+}
+
+impl<const L: usize> From<[Self; L]> for TokensIterator {
+    fn from(value: [Self; L]) -> Self {
+        Self {
+            inner: value
+                .into_iter()
+                .map(|t| t.collect::<Vec<_>>())
+                .flatten()
+                .collect(),
+        }
+    }
+}
+
+impl From<Vec<Token>> for TokensIterator {
+    fn from(value: Vec<Token>) -> Self {
+        Self { inner: value }
+    }
+}
+
+#[macro_export]
+macro_rules! tokens {
+    ($($v:expr),+$(,)*) => {
+        $crate::token::TokensIterator::from([$($crate::token::TokensIterator::from($v.clone())),+])
+    };
+}