mirror of
https://github.com/nushell/nushell.git
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nucli refactor: move rustyline and ctrlc features in cli.rs to line_editor.rs (#2854)
* move rustyline and ctrlc features in cli.rs to feature.rs * rename feature.rs to line_editor.rs
This commit is contained in:
Michael Angerman
GitHub
parent
3ffa804088
commit
2333158256
@ -1,27 +1,34 @@
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use crate::commands::classified::block::run_block;
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use crate::commands::default_context::create_default_context;
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use crate::evaluation_context::EvaluationContext;
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use crate::prelude::*;
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use crate::script::{print_err, run_script_standalone};
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use crate::line_editor::configure_ctrl_c;
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#[allow(unused_imports)]
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pub(crate) use crate::script::{process_script, LineResult};
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#[cfg(feature = "rustyline-support")]
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use crate::shell::Helper;
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use crate::line_editor::{
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configure_rustyline_editor, convert_rustyline_result_to_string,
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default_rustyline_editor_configuration, nu_line_editor_helper,
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};
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#[allow(unused_imports)]
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use nu_data::config;
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use nu_source::{Tag, Text};
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use nu_stream::InputStream;
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#[allow(unused_imports)]
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use std::sync::atomic::Ordering;
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use crate::script::{print_err, run_script_standalone};
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#[cfg(feature = "rustyline-support")]
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use rustyline::{self, error::ReadlineError};
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use crate::EnvironmentSyncer;
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use nu_errors::ShellError;
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use nu_parser::ParserScope;
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use nu_protocol::{UntaggedValue, Value};
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#[cfg(feature = "rustyline-support")]
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use rustyline::{
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self,
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config::Configurer,
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config::{ColorMode, CompletionType, Config},
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error::ReadlineError,
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At, Cmd, Editor, KeyPress, Movement, Word,
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};
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use std::error::Error;
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use std::iter::Iterator;
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use std::path::PathBuf;
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@ -85,20 +92,6 @@ pub async fn run_script_file(
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Ok(())
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}
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#[cfg(feature = "rustyline-support")]
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fn convert_rustyline_result_to_string(input: Result<String, ReadlineError>) -> LineResult {
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match input {
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Ok(s) if s == "history -c" || s == "history --clear" => LineResult::ClearHistory,
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Ok(s) => LineResult::Success(s),
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Err(ReadlineError::Interrupted) => LineResult::CtrlC,
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Err(ReadlineError::Eof) => LineResult::CtrlD,
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Err(err) => {
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outln!("Error: {:?}", err);
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LineResult::Break
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}
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}
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}
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/// The entry point for the CLI. Will register all known internal commands, load experimental commands, load plugins, then prepare the prompt and line reader for input.
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#[cfg(feature = "rustyline-support")]
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pub async fn cli(mut context: EvaluationContext) -> Result<(), Box<dyn Error>> {
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@ -356,23 +349,6 @@ pub fn register_plugins(context: &mut EvaluationContext) -> Result<(), ShellErro
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Ok(())
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}
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fn configure_ctrl_c(_context: &mut EvaluationContext) -> Result<(), Box<dyn Error>> {
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#[cfg(feature = "ctrlc")]
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{
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let cc = _context.ctrl_c.clone();
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ctrlc::set_handler(move || {
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cc.store(true, Ordering::SeqCst);
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})?;
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if _context.ctrl_c.load(Ordering::SeqCst) {
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_context.ctrl_c.store(false, Ordering::SeqCst);
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}
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}
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Ok(())
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}
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async fn run_startup_commands(
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context: &mut EvaluationContext,
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config: &dyn nu_data::config::Conf,
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@ -400,187 +376,6 @@ async fn run_startup_commands(
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Ok(())
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}
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#[cfg(feature = "rustyline-support")]
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fn default_rustyline_editor_configuration() -> Editor<Helper> {
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#[cfg(windows)]
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const DEFAULT_COMPLETION_MODE: CompletionType = CompletionType::Circular;
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#[cfg(not(windows))]
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const DEFAULT_COMPLETION_MODE: CompletionType = CompletionType::List;
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let config = Config::builder().color_mode(ColorMode::Forced).build();
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let mut rl: Editor<_> = Editor::with_config(config);
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// add key bindings to move over a whole word with Ctrl+ArrowLeft and Ctrl+ArrowRight
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rl.bind_sequence(
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KeyPress::ControlLeft,
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Cmd::Move(Movement::BackwardWord(1, Word::Vi)),
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);
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rl.bind_sequence(
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KeyPress::ControlRight,
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Cmd::Move(Movement::ForwardWord(1, At::AfterEnd, Word::Vi)),
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);
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// workaround for multiline-paste hang in rustyline (see https://github.com/kkawakam/rustyline/issues/202)
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rl.bind_sequence(KeyPress::BracketedPasteStart, rustyline::Cmd::Noop);
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// Let's set the defaults up front and then override them later if the user indicates
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// defaults taken from here https://github.com/kkawakam/rustyline/blob/2fe886c9576c1ea13ca0e5808053ad491a6fe049/src/config.rs#L150-L167
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rl.set_max_history_size(100);
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rl.set_history_ignore_dups(true);
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rl.set_history_ignore_space(false);
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rl.set_completion_type(DEFAULT_COMPLETION_MODE);
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rl.set_completion_prompt_limit(100);
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rl.set_keyseq_timeout(-1);
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rl.set_edit_mode(rustyline::config::EditMode::Emacs);
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rl.set_auto_add_history(false);
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rl.set_bell_style(rustyline::config::BellStyle::default());
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rl.set_color_mode(rustyline::ColorMode::Enabled);
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rl.set_tab_stop(8);
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if let Err(e) = crate::keybinding::load_keybindings(&mut rl) {
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println!("Error loading keybindings: {:?}", e);
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}
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rl
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}
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#[cfg(feature = "rustyline-support")]
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fn configure_rustyline_editor(
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rl: &mut Editor<Helper>,
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config: &dyn nu_data::config::Conf,
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) -> Result<(), ShellError> {
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#[cfg(windows)]
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const DEFAULT_COMPLETION_MODE: CompletionType = CompletionType::Circular;
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#[cfg(not(windows))]
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const DEFAULT_COMPLETION_MODE: CompletionType = CompletionType::List;
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if let Some(line_editor_vars) = config.var("line_editor") {
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for (idx, value) in line_editor_vars.row_entries() {
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match idx.as_ref() {
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"max_history_size" => {
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if let Ok(max_history_size) = value.as_u64() {
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rl.set_max_history_size(max_history_size as usize);
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}
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}
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"history_duplicates" => {
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// history_duplicates = match value.as_string() {
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// Ok(s) if s.to_lowercase() == "alwaysadd" => {
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// rustyline::config::HistoryDuplicates::AlwaysAdd
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// }
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// Ok(s) if s.to_lowercase() == "ignoreconsecutive" => {
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// rustyline::config::HistoryDuplicates::IgnoreConsecutive
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// }
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// _ => rustyline::config::HistoryDuplicates::AlwaysAdd,
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// };
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if let Ok(history_duplicates) = value.as_bool() {
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rl.set_history_ignore_dups(history_duplicates);
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}
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}
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"history_ignore_space" => {
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if let Ok(history_ignore_space) = value.as_bool() {
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rl.set_history_ignore_space(history_ignore_space);
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}
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}
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"completion_type" => {
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let completion_type = match value.as_string() {
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Ok(s) if s.to_lowercase() == "circular" => {
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rustyline::config::CompletionType::Circular
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}
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Ok(s) if s.to_lowercase() == "list" => {
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rustyline::config::CompletionType::List
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}
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#[cfg(all(unix, feature = "with-fuzzy"))]
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Ok(s) if s.to_lowercase() == "fuzzy" => {
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rustyline::config::CompletionType::Fuzzy
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}
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_ => DEFAULT_COMPLETION_MODE,
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};
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rl.set_completion_type(completion_type);
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}
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"completion_prompt_limit" => {
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if let Ok(completion_prompt_limit) = value.as_u64() {
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rl.set_completion_prompt_limit(completion_prompt_limit as usize);
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}
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}
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"keyseq_timeout_ms" => {
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if let Ok(keyseq_timeout_ms) = value.as_u64() {
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rl.set_keyseq_timeout(keyseq_timeout_ms as i32);
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}
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}
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"edit_mode" => {
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let edit_mode = match value.as_string() {
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Ok(s) if s.to_lowercase() == "vi" => rustyline::config::EditMode::Vi,
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Ok(s) if s.to_lowercase() == "emacs" => rustyline::config::EditMode::Emacs,
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_ => rustyline::config::EditMode::Emacs,
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};
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rl.set_edit_mode(edit_mode);
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// Note: When edit_mode is Emacs, the keyseq_timeout_ms is set to -1
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// no matter what you may have configured. This is so that key chords
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// can be applied without having to do them in a given timeout. So,
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// it essentially turns off the keyseq timeout.
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}
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"auto_add_history" => {
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if let Ok(auto_add_history) = value.as_bool() {
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rl.set_auto_add_history(auto_add_history);
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}
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}
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"bell_style" => {
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let bell_style = match value.as_string() {
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Ok(s) if s.to_lowercase() == "audible" => {
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rustyline::config::BellStyle::Audible
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}
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Ok(s) if s.to_lowercase() == "none" => rustyline::config::BellStyle::None,
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Ok(s) if s.to_lowercase() == "visible" => {
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rustyline::config::BellStyle::Visible
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}
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_ => rustyline::config::BellStyle::default(),
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};
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rl.set_bell_style(bell_style);
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}
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"color_mode" => {
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let color_mode = match value.as_string() {
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Ok(s) if s.to_lowercase() == "enabled" => rustyline::ColorMode::Enabled,
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Ok(s) if s.to_lowercase() == "forced" => rustyline::ColorMode::Forced,
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Ok(s) if s.to_lowercase() == "disabled" => rustyline::ColorMode::Disabled,
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_ => rustyline::ColorMode::Enabled,
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};
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rl.set_color_mode(color_mode);
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}
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"tab_stop" => {
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if let Ok(tab_stop) = value.as_u64() {
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rl.set_tab_stop(tab_stop as usize);
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}
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}
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_ => (),
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}
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}
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}
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Ok(())
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}
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#[cfg(feature = "rustyline-support")]
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fn nu_line_editor_helper(
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context: &mut EvaluationContext,
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config: &dyn nu_data::config::Conf,
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) -> crate::shell::Helper {
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let hinter = rustyline_hinter(config);
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crate::shell::Helper::new(context.clone(), hinter)
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}
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#[cfg(feature = "rustyline-support")]
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fn rustyline_hinter(config: &dyn nu_data::config::Conf) -> Option<rustyline::hint::HistoryHinter> {
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if let Some(line_editor_vars) = config.var("line_editor") {
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for (idx, value) in line_editor_vars.row_entries() {
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if idx == "show_hints" && value.expect_string() == "false" {
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return None;
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}
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}
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}
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Some(rustyline::hint::HistoryHinter {})
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}
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pub async fn parse_and_eval(line: &str, ctx: &EvaluationContext) -> Result<String, ShellError> {
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// FIXME: do we still need this?
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let line = if let Some(s) = line.strip_suffix('\n') {
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@ -28,6 +28,7 @@ mod futures;
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mod git;
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#[cfg(feature = "rustyline-support")]
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mod keybinding;
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mod line_editor;
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mod path;
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mod plugin;
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pub mod script;
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234
crates/nu-cli/src/line_editor.rs
Normal file
234
crates/nu-cli/src/line_editor.rs
Normal file
@ -0,0 +1,234 @@
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use crate::evaluation_context::EvaluationContext;
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use std::error::Error;
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#[allow(unused_imports)]
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use crate::prelude::*;
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#[allow(unused_imports)]
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use crate::script::LineResult;
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#[cfg(feature = "rustyline-support")]
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use crate::shell::Helper;
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#[cfg(feature = "rustyline-support")]
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use rustyline::{
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self,
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config::Configurer,
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config::{ColorMode, CompletionType, Config},
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error::ReadlineError,
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At, Cmd, Editor, KeyPress, Movement, Word,
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};
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#[cfg(feature = "rustyline-support")]
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pub fn convert_rustyline_result_to_string(input: Result<String, ReadlineError>) -> LineResult {
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match input {
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Ok(s) if s == "history -c" || s == "history --clear" => LineResult::ClearHistory,
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Ok(s) => LineResult::Success(s),
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Err(ReadlineError::Interrupted) => LineResult::CtrlC,
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Err(ReadlineError::Eof) => LineResult::CtrlD,
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Err(err) => {
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outln!("Error: {:?}", err);
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LineResult::Break
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}
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}
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}
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#[cfg(feature = "rustyline-support")]
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pub fn default_rustyline_editor_configuration() -> Editor<Helper> {
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#[cfg(windows)]
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const DEFAULT_COMPLETION_MODE: CompletionType = CompletionType::Circular;
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#[cfg(not(windows))]
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const DEFAULT_COMPLETION_MODE: CompletionType = CompletionType::List;
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let config = Config::builder().color_mode(ColorMode::Forced).build();
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let mut rl: Editor<_> = Editor::with_config(config);
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// add key bindings to move over a whole word with Ctrl+ArrowLeft and Ctrl+ArrowRight
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rl.bind_sequence(
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KeyPress::ControlLeft,
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Cmd::Move(Movement::BackwardWord(1, Word::Vi)),
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);
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rl.bind_sequence(
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KeyPress::ControlRight,
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Cmd::Move(Movement::ForwardWord(1, At::AfterEnd, Word::Vi)),
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);
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// workaround for multiline-paste hang in rustyline (see https://github.com/kkawakam/rustyline/issues/202)
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rl.bind_sequence(KeyPress::BracketedPasteStart, rustyline::Cmd::Noop);
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// Let's set the defaults up front and then override them later if the user indicates
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// defaults taken from here https://github.com/kkawakam/rustyline/blob/2fe886c9576c1ea13ca0e5808053ad491a6fe049/src/config.rs#L150-L167
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rl.set_max_history_size(100);
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rl.set_history_ignore_dups(true);
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rl.set_history_ignore_space(false);
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rl.set_completion_type(DEFAULT_COMPLETION_MODE);
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rl.set_completion_prompt_limit(100);
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rl.set_keyseq_timeout(-1);
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rl.set_edit_mode(rustyline::config::EditMode::Emacs);
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rl.set_auto_add_history(false);
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rl.set_bell_style(rustyline::config::BellStyle::default());
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rl.set_color_mode(rustyline::ColorMode::Enabled);
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rl.set_tab_stop(8);
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if let Err(e) = crate::keybinding::load_keybindings(&mut rl) {
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println!("Error loading keybindings: {:?}", e);
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}
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rl
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}
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#[cfg(feature = "rustyline-support")]
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pub fn configure_rustyline_editor(
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rl: &mut Editor<Helper>,
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config: &dyn nu_data::config::Conf,
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) -> Result<(), ShellError> {
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#[cfg(windows)]
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const DEFAULT_COMPLETION_MODE: CompletionType = CompletionType::Circular;
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#[cfg(not(windows))]
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const DEFAULT_COMPLETION_MODE: CompletionType = CompletionType::List;
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if let Some(line_editor_vars) = config.var("line_editor") {
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for (idx, value) in line_editor_vars.row_entries() {
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match idx.as_ref() {
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"max_history_size" => {
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if let Ok(max_history_size) = value.as_u64() {
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rl.set_max_history_size(max_history_size as usize);
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}
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}
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"history_duplicates" => {
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// history_duplicates = match value.as_string() {
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// Ok(s) if s.to_lowercase() == "alwaysadd" => {
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// rustyline::config::HistoryDuplicates::AlwaysAdd
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// }
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// Ok(s) if s.to_lowercase() == "ignoreconsecutive" => {
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// rustyline::config::HistoryDuplicates::IgnoreConsecutive
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// }
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// _ => rustyline::config::HistoryDuplicates::AlwaysAdd,
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// };
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if let Ok(history_duplicates) = value.as_bool() {
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rl.set_history_ignore_dups(history_duplicates);
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}
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}
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"history_ignore_space" => {
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if let Ok(history_ignore_space) = value.as_bool() {
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rl.set_history_ignore_space(history_ignore_space);
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}
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}
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"completion_type" => {
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let completion_type = match value.as_string() {
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Ok(s) if s.to_lowercase() == "circular" => {
|
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rustyline::config::CompletionType::Circular
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}
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Ok(s) if s.to_lowercase() == "list" => {
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rustyline::config::CompletionType::List
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}
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#[cfg(all(unix, feature = "with-fuzzy"))]
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Ok(s) if s.to_lowercase() == "fuzzy" => {
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rustyline::config::CompletionType::Fuzzy
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}
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_ => DEFAULT_COMPLETION_MODE,
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};
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rl.set_completion_type(completion_type);
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}
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"completion_prompt_limit" => {
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if let Ok(completion_prompt_limit) = value.as_u64() {
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rl.set_completion_prompt_limit(completion_prompt_limit as usize);
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}
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}
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"keyseq_timeout_ms" => {
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||||
if let Ok(keyseq_timeout_ms) = value.as_u64() {
|
||||
rl.set_keyseq_timeout(keyseq_timeout_ms as i32);
|
||||
}
|
||||
}
|
||||
"edit_mode" => {
|
||||
let edit_mode = match value.as_string() {
|
||||
Ok(s) if s.to_lowercase() == "vi" => rustyline::config::EditMode::Vi,
|
||||
Ok(s) if s.to_lowercase() == "emacs" => rustyline::config::EditMode::Emacs,
|
||||
_ => rustyline::config::EditMode::Emacs,
|
||||
};
|
||||
rl.set_edit_mode(edit_mode);
|
||||
// Note: When edit_mode is Emacs, the keyseq_timeout_ms is set to -1
|
||||
// no matter what you may have configured. This is so that key chords
|
||||
// can be applied without having to do them in a given timeout. So,
|
||||
// it essentially turns off the keyseq timeout.
|
||||
}
|
||||
"auto_add_history" => {
|
||||
if let Ok(auto_add_history) = value.as_bool() {
|
||||
rl.set_auto_add_history(auto_add_history);
|
||||
}
|
||||
}
|
||||
"bell_style" => {
|
||||
let bell_style = match value.as_string() {
|
||||
Ok(s) if s.to_lowercase() == "audible" => {
|
||||
rustyline::config::BellStyle::Audible
|
||||
}
|
||||
Ok(s) if s.to_lowercase() == "none" => rustyline::config::BellStyle::None,
|
||||
Ok(s) if s.to_lowercase() == "visible" => {
|
||||
rustyline::config::BellStyle::Visible
|
||||
}
|
||||
_ => rustyline::config::BellStyle::default(),
|
||||
};
|
||||
rl.set_bell_style(bell_style);
|
||||
}
|
||||
"color_mode" => {
|
||||
let color_mode = match value.as_string() {
|
||||
Ok(s) if s.to_lowercase() == "enabled" => rustyline::ColorMode::Enabled,
|
||||
Ok(s) if s.to_lowercase() == "forced" => rustyline::ColorMode::Forced,
|
||||
Ok(s) if s.to_lowercase() == "disabled" => rustyline::ColorMode::Disabled,
|
||||
_ => rustyline::ColorMode::Enabled,
|
||||
};
|
||||
rl.set_color_mode(color_mode);
|
||||
}
|
||||
"tab_stop" => {
|
||||
if let Ok(tab_stop) = value.as_u64() {
|
||||
rl.set_tab_stop(tab_stop as usize);
|
||||
}
|
||||
}
|
||||
_ => (),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
#[cfg(feature = "rustyline-support")]
|
||||
pub fn nu_line_editor_helper(
|
||||
context: &mut EvaluationContext,
|
||||
config: &dyn nu_data::config::Conf,
|
||||
) -> crate::shell::Helper {
|
||||
let hinter = rustyline_hinter(config);
|
||||
crate::shell::Helper::new(context.clone(), hinter)
|
||||
}
|
||||
|
||||
#[cfg(feature = "rustyline-support")]
|
||||
pub fn rustyline_hinter(
|
||||
config: &dyn nu_data::config::Conf,
|
||||
) -> Option<rustyline::hint::HistoryHinter> {
|
||||
if let Some(line_editor_vars) = config.var("line_editor") {
|
||||
for (idx, value) in line_editor_vars.row_entries() {
|
||||
if idx == "show_hints" && value.expect_string() == "false" {
|
||||
return None;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
Some(rustyline::hint::HistoryHinter {})
|
||||
}
|
||||
|
||||
pub fn configure_ctrl_c(_context: &mut EvaluationContext) -> Result<(), Box<dyn Error>> {
|
||||
#[cfg(feature = "ctrlc")]
|
||||
{
|
||||
let cc = _context.ctrl_c.clone();
|
||||
|
||||
ctrlc::set_handler(move || {
|
||||
cc.store(true, Ordering::SeqCst);
|
||||
})?;
|
||||
|
||||
if _context.ctrl_c.load(Ordering::SeqCst) {
|
||||
_context.ctrl_c.store(false, Ordering::SeqCst);
|
||||
}
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user