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#[cfg(unix)]
mod unix;
#[cfg(unix)]
pub(crate) use unix::*;
#[cfg(windows)]
pub(crate) const REATTACH_COMMAND_ENV_VAR: &str = "HERDR_REATTACH_COMMAND";
#[cfg(windows)]
pub(crate) const REMOTE_KEYBINDINGS_ENV_VAR: &str = "HERDR_REMOTE_KEYBINDINGS";
#[cfg(windows)]
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub(crate) enum RemoteKeybindings {
Local,
Server,
}
#[cfg(windows)]
impl RemoteKeybindings {
fn parse(value: &str) -> Result<Self, String> {
match value {
"local" => Ok(Self::Local),
"server" => Ok(Self::Server),
_ => Err("--remote-keybindings must be 'local' or 'server'".to_string()),
}
}
}
#[cfg(windows)]
#[derive(Debug, Clone, PartialEq, Eq)]
pub(crate) struct RemoteLaunch {
pub(crate) target: String,
pub(crate) keybindings: RemoteKeybindings,
pub(crate) live_handoff: bool,
}
#[cfg(windows)]
pub(crate) fn extract_remote_args(
args: &[String],
) -> Result<(Vec<String>, Option<RemoteLaunch>), String> {
let mut cleaned = Vec::with_capacity(args.len());
if let Some(program) = args.first() {
cleaned.push(program.clone());
}
let mut remote_target = None;
let mut keybindings = RemoteKeybindings::Local;
let mut keybindings_seen = false;
let mut live_handoff = false;
let mut index = 1;
while index < args.len() {
let arg = &args[index];
if arg == "--" {
cleaned.extend_from_slice(&args[index..]);
break;
}
if arg == "--handoff" {
live_handoff = true;
index += 1;
continue;
}
if arg == "--remote" {
if remote_target.is_some() {
return Err("--remote can only be specified once".to_string());
}
let Some(value) = args.get(index + 1) else {
return Err("missing value for --remote".to_string());
};
remote_target = Some(validate_remote_target(value)?.to_owned());
index += 2;
continue;
}
if let Some(value) = arg.strip_prefix("--remote=") {
if remote_target.is_some() {
return Err("--remote can only be specified once".to_string());
}
remote_target = Some(validate_remote_target(value)?.to_owned());
index += 1;
continue;
}
if arg == "--remote-keybindings" {
if keybindings_seen {
return Err("--remote-keybindings can only be specified once".to_string());
}
let Some(value) = args.get(index + 1) else {
return Err("missing value for --remote-keybindings".to_string());
};
keybindings = RemoteKeybindings::parse(value)?;
keybindings_seen = true;
index += 2;
continue;
}
if let Some(value) = arg.strip_prefix("--remote-keybindings=") {
if keybindings_seen {
return Err("--remote-keybindings can only be specified once".to_string());
}
keybindings = RemoteKeybindings::parse(value)?;
keybindings_seen = true;
index += 1;
continue;
}
cleaned.push(arg.clone());
index += 1;
}
let remote = remote_target.map(|target| RemoteLaunch {
target,
keybindings,
live_handoff,
});
if remote.is_none() && keybindings_seen {
return Err("--remote-keybindings requires --remote".to_string());
}
if remote.is_none() && live_handoff {
cleaned.push("--handoff".to_string());
}
Ok((cleaned, remote))
}
#[cfg(windows)]
fn validate_remote_target(target: &str) -> Result<&str, String> {
if target.is_empty() {
return Err("missing value for --remote".to_string());
}
if target.starts_with('-') {
return Err("--remote target must not start with '-'".to_string());
}
Ok(target)
}
#[cfg(windows)]
pub(crate) fn run_remote(_remote: RemoteLaunch) -> std::io::Result<()> {
debug_assert!(!crate::platform::capabilities().remote_attach);
Err(std::io::Error::other(
"remote mode is not supported on Windows yet",
))
}
#[cfg(windows)]
pub(crate) fn run_remote_client_bridge() -> std::io::Result<()> {
debug_assert!(!crate::platform::capabilities().remote_attach);
Err(std::io::Error::other(
"remote client bridge is not supported on Windows yet",
))
}
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