forked from extern/nushell
100 lines
2.9 KiB
Rust
100 lines
2.9 KiB
Rust
use derive_new::new;
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use rustyline::completion::Completer;
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use rustyline::completion::{self, FilenameCompleter};
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use rustyline::line_buffer::LineBuffer;
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#[derive(new)]
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crate struct NuCompleter {
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pub file_completer: FilenameCompleter,
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//pub commands: indexmap::IndexMap<String, Arc<dyn Command>>,
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}
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pub struct CompletionPair {
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pub display: String,
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pub replacement: String,
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}
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impl Into<completion::Pair> for CompletionPair {
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fn into(self) -> completion::Pair {
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completion::Pair {
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display: self.display,
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replacement: self.replacement,
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}
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}
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}
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impl NuCompleter {
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/*
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pub fn complete(
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&self,
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line: &str,
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pos: usize,
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context: &rustyline::Context,
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) -> rustyline::Result<(usize, Vec<CompletionPair>)> {
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//let commands: Vec<String> = self.commands.keys().cloned().collect();
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let mut completions = self.file_completer.complete(line, pos, context)?.1;
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for completion in &mut completions {
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if completion.replacement.contains("\\ ") {
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completion.replacement = completion.replacement.replace("\\ ", " ");
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}
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if completion.replacement.contains("\\(") {
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completion.replacement = completion.replacement.replace("\\(", "(");
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}
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if completion.replacement.contains(" ") || completion.replacement.contains("(") {
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if !completion.replacement.starts_with("\"") {
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completion.replacement = format!("\"{}", completion.replacement);
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}
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if !completion.replacement.ends_with("\"") {
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completion.replacement = format!("{}\"", completion.replacement);
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}
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}
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}
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let line_chars: Vec<_> = line.chars().collect();
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let mut replace_pos = pos;
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while replace_pos > 0 {
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if line_chars[replace_pos - 1] == ' ' {
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break;
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}
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replace_pos -= 1;
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}
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/*
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for command in commands.iter() {
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let mut pos = replace_pos;
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let mut matched = true;
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if pos < line_chars.len() {
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for chr in command.chars() {
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if line_chars[pos] != chr {
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matched = false;
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break;
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}
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pos += 1;
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if pos == line_chars.len() {
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break;
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}
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}
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}
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if matched {
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completions.push(CompletionPair {
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display: command.clone(),
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replacement: command.clone(),
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});
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}
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}
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*/
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Ok((replace_pos, completions))
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}
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*/
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fn update(&self, line: &mut LineBuffer, start: usize, elected: &str) {
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let end = line.pos();
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line.replace(start..end, elected)
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}
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}
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