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pub mod application; pub mod buffer; pub mod buffer_position; pub mod buffer_view; pub mod client; pub mod command; pub mod config; pub mod cursor; pub mod editor; pub mod editor_utils; pub mod events; pub mod glob; pub mod help; pub mod history; pub mod json; pub mod keymap; pub mod lsp; pub mod mode; pub mod navigation_history; pub mod pattern; pub mod picker; pub mod platform; pub mod register; pub mod serialization; pub mod syntax; pub mod theme; pub mod ui; pub mod word_database; pub struct ArgsConfig { path: String, throw_error: bool, } #[derive(Default)] pub struct Args { pub version: bool, pub session: Option<String>, pub print_session: bool, pub as_client: Option<client::ClientHandle>, pub server: bool, pub configs: Vec<ArgsConfig>, pub no_default_config: bool, pub files: Vec<String>, } fn print_version() { let name = env!("CARGO_PKG_NAME"); let version = env!("CARGO_PKG_VERSION"); println!("{} version {}", name, version); } fn print_help() { print_version(); println!("{}", env!("CARGO_PKG_DESCRIPTION")); println!(); println!("usage: pepper [<options...>] [<files...>]"); println!(); println!(" files: file paths to open as a buffer"); println!(" you can append ':<line>[,<column>]' to open it at that position"); println!(); println!("options:"); println!(); println!(" -h, --help prints help and quits"); println!(" -v, --version prints version and quits"); println!(" -s, --session overrides the session name to connect to"); println!(" --print-session prints the computed session name and quits"); println!(" --as-client <client-id> sends events as if it was client with id <client-id>"); println!(" --server only run as server (ignores files and configs arguments)"); println!(" -c, --config sources config file at path (repeatable)"); println!(" --try-config tries to source a config file at path, throws no error if fails (repeatable)"); println!( " --no-default-config does not source the default config included in the editor" ); } impl Args { pub fn parse() -> Self { fn error(message: std::fmt::Arguments) -> ! { println!("{}", message); std::process::exit(1); } fn arg_to_str(arg: &std::ffi::OsString) -> &str { match arg.to_str() { Some(arg) => arg, None => error(format_args!("could not parse arg {:?}", arg)), } } let mut args = std::env::args_os(); args.next(); let mut parsed = Args::default(); while let Some(arg) = args.next() { let arg = arg_to_str(&arg); match arg { "-h" | "--help" => { print_help(); std::process::exit(0); } "-v" | "--version" => { print_version(); std::process::exit(0); } "-s" | "--session" => match args.next() { Some(arg) => { let arg = arg_to_str(&arg); if !arg.chars().all(char::is_alphanumeric) { error(format_args!( "invalid session name '{}'. it can only contain alphanumeric characters", arg )); } parsed.session = Some(arg.into()); } None => error(format_args!("expected session after {}", arg)), }, "--print-session" => parsed.print_session = true, "--as-client" => match args.next() { Some(arg) => { let arg = arg_to_str(&arg); let client_handle: client::ClientHandle = match arg.parse() { Ok(handle) => handle, Err(_) => { error(format_args!("could not parse '{}' into a client id", arg)) } }; parsed.as_client = Some(client_handle); } None => error(format_args!("expected client id after {}", arg)), }, "--server" => parsed.server = true, "-c" | "--config" => match args.next() { Some(arg) => { let arg = arg_to_str(&arg); parsed.configs.push(ArgsConfig { path: arg.into(), throw_error: true, }); } None => error(format_args!("expected config path after {}", arg)), }, "--try-config" => match args.next() { Some(arg) => { let arg = arg_to_str(&arg); parsed.configs.push(ArgsConfig { path: arg.into(), throw_error: false, }); } None => error(format_args!("expected config path after {}", arg)), }, "--no-default-config" => parsed.no_default_config = true, "--" => { while let Some(arg) = args.next() { let arg = arg_to_str(&arg); parsed.files.push(arg.into()); } } _ => { if arg.starts_with('-') { error(format_args!("invalid option '{}'", arg)); } else { parsed.files.push(arg.into()); } } } } parsed } }