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Minor fixes to builtin status

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Use as_wstr() instead of from_ffi() in a few places to avoid an allocation,
and make job_control_t work in &wstr instead of &str to reduce complexity at
the call sites.
This commit is contained in:
ridiculousfish 2023-07-01 15:11:40 -07:00
parent 4061c7250c
commit d26d4f36b0
2 changed files with 22 additions and 22 deletions
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27
fish-rust/src/builtins/status.rs
View file

@ -6,19 +6,16 @@ use crate::builtins::shared::{
BUILTIN_ERR_NOT_NUMBER, STATUS_CMD_ERROR, STATUS_CMD_OK, STATUS_INVALID_ARGS,
};
use crate::common::{get_executable_path, str2wcstring};
use crate::ffi::{
get_job_control_mode, get_login, is_interactive_session, job_control_t, parser_t,
set_job_control_mode, Repin,
};
use crate::future_feature_flags::{feature_metadata, feature_test};
use crate::wchar::{wstr, L};
use crate::wchar_ffi::WCharFromFFI;
use crate::wchar_ffi::{AsWstr, WCharFromFFI};
use crate::wgetopt::{wgetopter_t, wopt, woption, woption_argument_t};
use crate::wutil::{
fish_wcstoi, waccess, wbasename, wdirname, wgettext, wgettext_fmt, wrealpath, Error,
fish_wcstoi, sprintf, waccess, wbasename, wdirname, wgettext, wgettext_fmt, wrealpath, Error,
};
use libc::{c_int, F_OK};
use nix::errno::Errno;
@ -191,13 +188,13 @@ fn print_features(streams: &mut io_streams_t) {
} else {
L!("off")
};
streams.out.append(wgettext_fmt!(
streams.out.append(sprintf!(
"%-*ls%-3s %ls %ls\n",
max_len + 1,
md.name.from_ffi(),
md.name.as_wstr(),
set,
md.groups.from_ffi(),
md.description.from_ffi(),
md.groups.as_wstr(),
md.description.as_wstr(),
));
}
}
@ -271,7 +268,7 @@ fn parse_cmd_opts(
));
return STATUS_CMD_ERROR;
}
let Ok(job_mode) = w.woptarg.unwrap().to_string().as_str().try_into() else {
let Ok(job_mode) = w.woptarg.unwrap().try_into() else {
streams.err.append(wgettext_fmt!("%ls: Invalid job control mode '%ls'\n", cmd, w.woptarg.unwrap()));
return STATUS_CMD_ERROR;
};
@ -287,7 +284,7 @@ fn parse_cmd_opts(
return STATUS_INVALID_ARGS;
}
c => {
let Some(opt_cmd) = StatusCmd::from_u32(c as u32) else {
let Some(opt_cmd) = StatusCmd::from_u32(c.into()) else {
panic!("unexpected retval from wgetopt_long")
};
match opt_cmd {
@ -379,7 +376,7 @@ pub fn status(
streams
.out
.append(wgettext_fmt!("Job control: %ls\n", job_control_mode));
streams.out.append(parser.stack_trace().from_ffi());
streams.out.append(parser.stack_trace().as_wstr());
return STATUS_CMD_OK;
};
@ -412,7 +409,7 @@ pub fn status(
));
return STATUS_INVALID_ARGS;
}
let Ok(new_mode)= args[0].to_string().as_str().try_into() else {
let Ok(new_mode)= args[0].try_into() else {
streams.err.append(wgettext_fmt!("%ls: Invalid job control mode '%ls'\n", cmd, args[0]));
return STATUS_CMD_ERROR;
};
@ -436,7 +433,7 @@ pub fn status(
use TestFeatureRetVal::*;
let mut retval = Some(TEST_FEATURE_NOT_RECOGNIZED as c_int);
for md in &feature_metadata() {
if md.name.from_ffi() == args[0] {
if md.name.as_wstr() == args[0] {
retval = match feature_test(md.flag) {
true => Some(TEST_FEATURE_ON as c_int),
false => Some(TEST_FEATURE_OFF as c_int),
@ -539,7 +536,7 @@ pub fn status(
}
}
STATUS_STACK_TRACE => {
streams.out.append(parser.stack_trace().from_ffi());
streams.out.append(parser.stack_trace().as_wstr());
}
STATUS_CURRENT_CMD => {
let var = parser.pin().libdata().get_status_vars_command().from_ffi();

17
fish-rust/src/ffi.rs
View file

@ -405,15 +405,18 @@ impl core::convert::From<void_ptr> for *const autocxx::c_void {
}
}
impl TryFrom<&str> for job_control_t {
impl TryFrom<&wstr> for job_control_t {
type Error = ();
fn try_from(value: &str) -> Result<Self, Self::Error> {
match value {
"full" => Ok(job_control_t::all),
"interactive" => Ok(job_control_t::interactive),
"none" => Ok(job_control_t::none),
_ => Err(()),
fn try_from(value: &wstr) -> Result<Self, Self::Error> {
if value == "full" {
Ok(job_control_t::all)
} else if value == "interactive" {
Ok(job_control_t::interactive)
} else if value == "none" {
Ok(job_control_t::none)
} else {
Err(())
}
}
}