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| author | 魏曹先生 <1992414357@qq.com> | 2026-07-17 11:08:07 +0800 |
|---|---|---|
| committer | 魏曹先生 <1992414357@qq.com> | 2026-07-17 11:11:28 +0800 |
| commit | 79ec6878877f0fd9246d67d3cd4f8cc2d1200150 (patch) | |
| tree | e3cd8cfc7ef5cd2a6a7ceb93d9a4b1764fa21b61 /mingling_picker/src/value/vec_until.rs | |
| parent | e6136f22cff446b16dbebf3b26a6fdea6dbc0e83 (diff) | |
refactor: rename `mingling_picker` to `arg_picker`
Diffstat (limited to 'mingling_picker/src/value/vec_until.rs')
| -rw-r--r-- | mingling_picker/src/value/vec_until.rs | 134 |
1 files changed, 0 insertions, 134 deletions
diff --git a/mingling_picker/src/value/vec_until.rs b/mingling_picker/src/value/vec_until.rs deleted file mode 100644 index 1b79641..0000000 --- a/mingling_picker/src/value/vec_until.rs +++ /dev/null @@ -1,134 +0,0 @@ -use std::marker::PhantomData; -use std::ops::{Deref, DerefMut}; - -use crate::{ - BoundaryCheck, MultiPickableWithBoundary, Pickable, PickerArg, PickerArgAttr, PickerArgResult, - SinglePickable, TagPhaseContext, - matcher_needed::Matcher, - parselib::{MultiArgMatcher, ParserStyle}, -}; - -/// A `Vec`-like container that stops collecting when [`BoundaryCheck`] -/// returns `true`. -/// -/// This type exists to signal "I know what I'm doing with boundaries" -/// at the type level (as opposed to `Vec<T>` which greedily takes -/// everything). -#[derive(Debug, Clone, PartialEq, Eq, Default)] -pub struct VecUntil<T> { - pub(crate) inner: Vec<T>, - _marker: PhantomData<T>, -} - -impl<T> VecUntil<T> { - pub fn into_inner(self) -> Vec<T> { - self.inner - } -} - -impl<T> From<Vec<T>> for VecUntil<T> { - fn from(v: Vec<T>) -> Self { - VecUntil { - inner: v, - _marker: PhantomData, - } - } -} - -impl<T> From<VecUntil<T>> for Vec<T> { - fn from(v: VecUntil<T>) -> Self { - v.inner - } -} - -impl<T> Deref for VecUntil<T> { - type Target = Vec<T>; - fn deref(&self) -> &Vec<T> { - &self.inner - } -} - -impl<T> DerefMut for VecUntil<T> { - fn deref_mut(&mut self) -> &mut Vec<T> { - &mut self.inner - } -} - -// MultiPickableWithBoundary impl - -impl<T> MultiPickableWithBoundary for VecUntil<T> -where - T: SinglePickable + BoundaryCheck, -{ - type Checker = T; - - fn pick_multi(raw: Vec<String>) -> PickerArgResult<Self> { - let mut inner = Vec::with_capacity(raw.len()); - for s in &raw { - match T::pick_single(Some(s)) { - PickerArgResult::Parsed(v) => inner.push(v), - PickerArgResult::NotFound => return PickerArgResult::NotFound, - PickerArgResult::Unparsed => {} - } - } - PickerArgResult::Parsed(VecUntil { - inner, - _marker: PhantomData, - }) - } -} - -// Pickable impl - -impl<'a, T> Pickable<'a> for VecUntil<T> -where - T: SinglePickable + BoundaryCheck, -{ - fn get_attr(flag: &'a PickerArg<'a, Self>) -> PickerArgAttr { - PickerArgAttr::positional_or_multi(flag) - } - - fn tag(ctx: TagPhaseContext) -> Vec<usize> { - let args = ctx.args; - let is_positional = ctx.arg_info.positional; - let positions = MultiArgMatcher::match_all(ctx.into()); - if positions.is_empty() { - return positions; - } - - let start = if is_positional { 0 } else { 1 }; - if start >= positions.len() { - return positions; - } - - let mut cut = start; - for &idx in &positions[start..] { - if let Some(raw) = args.get(idx) - && T::check_boundary(raw) - { - break; - } - cut += 1; - } - - positions[..cut].to_vec() - } - - fn pick(raw_strs: &[&str]) -> PickerArgResult<Self> { - let strs = strip_flag(raw_strs); - let owned: Vec<String> = strs.iter().map(|&s| s.to_string()).collect(); - <VecUntil<T> as MultiPickableWithBoundary>::pick_multi(owned) - } -} - -/// If the first raw string looks like a named flag (starts with the -/// style's long or short prefix), strip it — it's the flag, not a value. -fn strip_flag<'a>(raw_strs: &'a [&'a str]) -> &'a [&'a str] { - if let Some(first) = raw_strs.first() { - let style = ParserStyle::global_style(); - if first.starts_with(style.long_prefix) || first.starts_with(style.short_prefix) { - return &raw_strs[1..]; - } - } - raw_strs -} |
