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Merge pull request #9 from jonathandturner/better_completions

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Complete commands a bit better
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Jonathan Turner 2019-05-18 07:12:39 -07:00 committed by GitHub
commit 447356cb96
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 27 additions and 14 deletions
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41
src/shell/completer.rs
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@ -15,23 +15,12 @@ impl Completer for NuCompleter {
pos: usize,
context: &rustyline::Context,
) -> rustyline::Result<(usize, Vec<completion::Pair>)> {
let mut pairs = vec![
completion::Pair {
display: "exit".to_string(),
replacement: "exit".to_string(),
},
completion::Pair {
display: "ls".to_string(),
replacement: "ls".to_string(),
},
completion::Pair {
display: "ps".to_string(),
replacement: "ps".to_string(),
},
let commands = [
"ps", "ls", "cd", "bat", "skip", "take", "select", "reject", "to-array", "where",
"sort-by",
];
let mut completions = self.file_completer.complete(line, pos, context)?.1;
completions.append(&mut pairs);
let line_chars: Vec<_> = line.chars().collect();
let mut replace_pos = pos;
@ -42,6 +31,30 @@ impl Completer for NuCompleter {
replace_pos -= 1;
}
for command in commands.iter() {
let mut pos = replace_pos;
let mut matched = true;
if pos < line_chars.len() {
for chr in command.chars() {
if line_chars[pos] != chr {
matched = false;
break;
}
pos += 1;
if pos == line_chars.len() {
break;
}
}
}
if matched {
completions.push(completion::Pair {
display: command.to_string(),
replacement: command.to_string(),
});
}
}
Ok((replace_pos, completions))
}