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customprefix: data-driven prefix engine — define arbitrary new prefix modes (letter/prefix/rank/ranktoset/ranktounset/depriv), ranks re-spaced x10; built-in tiers + defaults unchanged

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This commit is contained in:
Jean Chevronnet 2026-08-11 19:46:07 +00:00
parent d35a2071a6
commit b40c523b87
5 changed files with 256 additions and 102 deletions
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40
src/mode.rs
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@ -6,9 +6,11 @@
//! edit to the parser. The handler set is an ordinary slice of zero-sized
//! `&'static` values: no fixed cap, no per-mode allocation, no mutable registry.
use std::sync::OnceLock;
use crate::channels::{
normalize_ban_mask, Ban, ChanModes, Channel, MsgFlood, Rate, RANK_ADMIN, RANK_HALFOP, RANK_OP,
RANK_OWNER,
RANK_OWNER, RANK_VOICE,
};
use crate::numeric::*;
use crate::server::{now, Server};
@ -44,9 +46,31 @@ pub trait ChanMode: Sync {
) -> Applied;
}
/// Look up the handler for a channel-mode letter.
/// Dynamic handlers for config-defined custom prefix modes (see modules::customprefix).
static CUSTOM_PREFIX_HANDLERS: OnceLock<Vec<Prefix>> = OnceLock::new();
/// Build the custom-prefix handlers once, at boot, after `customprefix::init`.
pub fn init_custom_prefixes() {
let v: Vec<Prefix> = crate::modules::customprefix::custom_defs()
.iter()
.map(|d| Prefix {
ch: d.letter,
rank: d.rank,
})
.collect();
let _ = CUSTOM_PREFIX_HANDLERS.set(v);
}
/// Look up the handler for a channel-mode letter (built-in, then custom prefixes).
pub fn chan_mode(c: char) -> Option<&'static (dyn ChanMode + Sync)> {
CHAN_MODES.iter().copied().find(|m| m.letter() == c)
if let Some(m) = CHAN_MODES.iter().copied().find(|m| m.letter() == c) {
return Some(m);
}
CUSTOM_PREFIX_HANDLERS
.get()?
.iter()
.find(|p| p.ch == c)
.map(|p| p as &(dyn ChanMode + Sync))
}
/// The registered channel modes. Add a mode by adding its handler here.
@ -121,7 +145,7 @@ static HALFOP: Prefix = Prefix {
};
static VOICE: Prefix = Prefix {
ch: 'v',
rank: 1, // RANK_VOICE
rank: RANK_VOICE,
};
impl ChanMode for Prefix {
@ -189,13 +213,7 @@ impl ChanMode for Prefix {
.get_mut(key)
.and_then(|c| c.members.get_mut(&tuid))
{
match self.rank {
RANK_OWNER => m.owner = adding,
RANK_ADMIN => m.admin = adding,
RANK_OP => m.op = adding,
RANK_HALFOP => m.halfop = adding,
_ => m.voice = adding,
}
m.set_prefix(self.ch, adding); // routes built-in booleans + custom prefixes
}
// +D delayjoin: gaining a prefix reveals a hidden member
if adding {