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Diffstat (limited to 'vendor/clap/src/parser/features/suggestions.rs')
-rw-r--r-- | vendor/clap/src/parser/features/suggestions.rs | 167 |
1 files changed, 0 insertions, 167 deletions
diff --git a/vendor/clap/src/parser/features/suggestions.rs b/vendor/clap/src/parser/features/suggestions.rs deleted file mode 100644 index b8bb7adfa..000000000 --- a/vendor/clap/src/parser/features/suggestions.rs +++ /dev/null @@ -1,167 +0,0 @@ -#[cfg(feature = "suggestions")] -use std::cmp::Ordering; - -// Internal -use crate::builder::Command; - -/// Find strings from an iterable of `possible_values` similar to a given value `v` -/// Returns a Vec of all possible values that exceed a similarity threshold -/// sorted by ascending similarity, most similar comes last -#[cfg(feature = "suggestions")] -pub(crate) fn did_you_mean<T, I>(v: &str, possible_values: I) -> Vec<String> -where - T: AsRef<str>, - I: IntoIterator<Item = T>, -{ - let mut candidates: Vec<(f64, String)> = possible_values - .into_iter() - // GH #4660: using `jaro` because `jaro_winkler` implementation in `strsim-rs` is wrong - // causing strings with common prefix >=10 to be considered perfectly similar - .map(|pv| (strsim::jaro(v, pv.as_ref()), pv.as_ref().to_owned())) - // Confidence of 0.7 so that bar -> baz is suggested - .filter(|(confidence, _)| *confidence > 0.7) - .collect(); - candidates.sort_by(|a, b| a.0.partial_cmp(&b.0).unwrap_or(Ordering::Equal)); - candidates.into_iter().map(|(_, pv)| pv).collect() -} - -#[cfg(not(feature = "suggestions"))] -pub(crate) fn did_you_mean<T, I>(_: &str, _: I) -> Vec<String> -where - T: AsRef<str>, - I: IntoIterator<Item = T>, -{ - Vec::new() -} - -/// Returns a suffix that can be empty, or is the standard 'did you mean' phrase -pub(crate) fn did_you_mean_flag<'a, 'help, I, T>( - arg: &str, - remaining_args: &[&std::ffi::OsStr], - longs: I, - subcommands: impl IntoIterator<Item = &'a mut Command>, -) -> Option<(String, Option<String>)> -where - 'help: 'a, - T: AsRef<str>, - I: IntoIterator<Item = T>, -{ - use crate::mkeymap::KeyType; - - match did_you_mean(arg, longs).pop() { - Some(candidate) => Some((candidate, None)), - None => subcommands - .into_iter() - .filter_map(|subcommand| { - subcommand._build_self(false); - - let longs = subcommand.get_keymap().keys().filter_map(|a| { - if let KeyType::Long(v) = a { - Some(v.to_string_lossy().into_owned()) - } else { - None - } - }); - - let subcommand_name = subcommand.get_name(); - - let candidate = some!(did_you_mean(arg, longs).pop()); - let score = some!(remaining_args.iter().position(|x| subcommand_name == *x)); - Some((score, (candidate, Some(subcommand_name.to_string())))) - }) - .min_by_key(|(x, _)| *x) - .map(|(_, suggestion)| suggestion), - } -} - -#[cfg(all(test, feature = "suggestions"))] -mod test { - use super::*; - - #[test] - fn missing_letter() { - let p_vals = ["test", "possible", "values"]; - assert_eq!(did_you_mean("tst", p_vals.iter()), vec!["test"]); - } - - #[test] - fn ambiguous() { - let p_vals = ["test", "temp", "possible", "values"]; - assert_eq!(did_you_mean("te", p_vals.iter()), vec!["test", "temp"]); - } - - #[test] - fn unrelated() { - let p_vals = ["test", "possible", "values"]; - assert_eq!( - did_you_mean("hahaahahah", p_vals.iter()), - Vec::<String>::new() - ); - } - - #[test] - fn best_fit() { - let p_vals = [ - "test", - "possible", - "values", - "alignmentStart", - "alignmentScore", - ]; - assert_eq!( - did_you_mean("alignmentScorr", p_vals.iter()), - vec!["alignmentStart", "alignmentScore"] - ); - } - - #[test] - fn best_fit_long_common_prefix_issue_4660() { - let p_vals = ["alignmentScore", "alignmentStart"]; - assert_eq!( - did_you_mean("alignmentScorr", p_vals.iter()), - vec!["alignmentStart", "alignmentScore"] - ); - } - - #[test] - fn flag_missing_letter() { - let p_vals = ["test", "possible", "values"]; - assert_eq!( - did_you_mean_flag("tst", &[], p_vals.iter(), []), - Some(("test".to_owned(), None)) - ); - } - - #[test] - fn flag_ambiguous() { - let p_vals = ["test", "temp", "possible", "values"]; - assert_eq!( - did_you_mean_flag("te", &[], p_vals.iter(), []), - Some(("temp".to_owned(), None)) - ); - } - - #[test] - fn flag_unrelated() { - let p_vals = ["test", "possible", "values"]; - assert_eq!( - did_you_mean_flag("hahaahahah", &[], p_vals.iter(), []), - None - ); - } - - #[test] - fn flag_best_fit() { - let p_vals = [ - "test", - "possible", - "values", - "alignmentStart", - "alignmentScore", - ]; - assert_eq!( - did_you_mean_flag("alignmentScorr", &[], p_vals.iter(), []), - Some(("alignmentScore".to_owned(), None)) - ); - } -} |