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@ -1 +1,2 @@
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Rework logging macro calls to use new progress API
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Add lolistealer-like async progress bar handler to State (check state.rs)
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@ -1,429 +0,0 @@
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//! CLI flags module
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use super::*;
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use std::{
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borrow::Cow,
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any::Any,
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error,
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fmt,
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};
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#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
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pub enum Kind<'a>
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{
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/// Any number of these long-form arguments starting with `--`, and flag for case-sensitivity.
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/// Can be empty to match any argument (not needing a prefix).
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Long(&'a [&'a str], bool),
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/// Any number of these short-form (single character) arguments together or apart (starting with `-`).
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/// Can be empty for a single `-` character, and a flag for case-sensitivity.
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Short(&'a [(char, )], bool),
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/// A single `--`.
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Terminator,
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/// An exact match with no prefix.
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Exact(&'a str),
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}
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impl Kind<'static>
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{
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pub fn as_ref<'a>(&'a self) -> Kind<'a>
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{
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match &self {
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Self::Long(strs, bl) => Kind::Long(strs, *bl),
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Self::Short(chrs, bl) => Kind::Short(chrs, *bl),
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Self::Terminator => Kind::Terminator,
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Self::Exact(stri) => Kind::Exact(&stri[..]),
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}
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}
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}
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#[derive(Debug, Clone, PartialEq)]
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pub enum ValueKind
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{
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None,
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Equals,
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Next(usize),
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Rest,
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}
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pub struct ArgState<T=()>
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{
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user: T,
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flags: Vec<(Kind<'static>, Cow<'static, str>, ValueKind, Box<(dyn FlagCallback<T, Box<dyn Any + 'static>, eyre::Report> + 'static)>, bool, bool)>,
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}
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pub trait FlagCallback<U, T,E>: FnMut(&mut StateHandle<'_, U>, usize, &str) -> Result<T, E>{}
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impl<U, F, T, E> FlagCallback<U, T,E> for F
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where F: FnMut(&mut StateHandle<'_, U>, usize, &str) -> Result<T, E>,
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T: Any + 'static,
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E: Into<eyre::Report> {}
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impl<U> ArgState<U>
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{
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/// Push a handle to the state
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pub fn push<T: Any + 'static,E: Into<eyre::Report>, F>(&mut self, kind: Kind<'static>, desc: impl Into<Cow<'static, str>>, value: ValueKind, mut handle: F, single: bool) -> usize
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where F: FlagCallback<U, T,E> + 'static
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{
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let handle: Box<dyn FlagCallback<U, Box<(dyn Any + 'static)>, eyre::Report>> =
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Box::new(move |state, index, value| handle(state, index, value)
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.map(|x| -> Box<(dyn Any + 'static)> {Box::new(x)})
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.map_err(Into::into));
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self.flags.push((kind, desc.into(), value, handle, single, true));
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self.flags.len()-1
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}
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}
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#[derive(Debug, Clone)]
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enum Either<T,U>
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{
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None,
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One(T),
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Many(U),
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}
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impl<T,U> Either<T,U>
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{
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pub fn take(&mut self) -> Self
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{
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std::mem::replace(self, Self::None)
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}
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}
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#[derive(Debug, Clone)]
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pub enum EitherIter<T,U>
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{
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None,
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One(std::iter::Once<T>),
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Many(std::iter::Fuse<U>),
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}
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impl<T,U> Iterator for EitherIter<T,U>
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where U: Iterator<Item=T>
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{
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type Item = T;
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fn next(&mut self) -> Option<Self::Item>
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{
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match self {
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Self::None => None,
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Self::One(one) => one.next(),
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Self::Many(many) => many.next(),
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}
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}
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fn size_hint(&self) -> (usize, Option<usize>) {
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match self {
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Self::None => (0, Some(0)),
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Self::One(_) => (1, Some(1)),
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Self::Many(many) => many.size_hint(),
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}
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}
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}
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impl<T,U: Iterator<Item=T>> std::iter::FusedIterator for EitherIter<T,U>{}
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impl<T,U: Iterator<Item=T>> std::iter::ExactSizeIterator for EitherIter<T,U>
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where U: ExactSizeIterator{}
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impl<T, U: IntoIterator<Item=T>> IntoIterator for Either<T, U>
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{
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type Item= T;
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type IntoIter = EitherIter<T, <U as IntoIterator>::IntoIter>;
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fn into_iter(self) -> Self::IntoIter
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{
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match self {
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Self::None => EitherIter::None,
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Self::One(one) => EitherIter::One(std::iter::once(one)),
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Self::Many(many) => EitherIter::Many(many.into_iter().fuse())
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}
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}
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}
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/// A handle to mutate the arg state.
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pub struct StateHandle<'a, T>
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{
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held: Either<String, Vec<String>>,
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state: &'a mut T,
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args: &'a mut (dyn Iterator<Item=String> + 'a),
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chk: &'a mut bool,
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idx: usize,
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}
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impl<'a, T> StateHandle<'a,T>
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{
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/// The user defined state
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pub fn state(&self) -> &T
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{
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self.state
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}
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/// The mutable user defined state
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pub fn state_mut(&mut self) -> &mut T
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{
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self.state
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}
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/// The current args iterator
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pub fn args(&self) -> &(dyn Iterator<Item=String> + 'a)
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{
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self.args
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}
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/// The mutable current args iterator
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pub fn args_mut(&mut self) -> &mut (dyn Iterator<Item = String> + 'a)
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{
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self.args
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}
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/// Is this callback enabled?
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///
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/// It will always start as `true`. This can be mutated to `false` to disable further checks for this argument.
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pub fn enabled_mut(&mut self) -> &mut bool
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{
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self.chk
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}
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/// Is this callback enabled?
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///
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/// This should always be `true`.
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pub fn enabled(&mut self) -> bool
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{
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*self.chk
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}
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/// The index of the current arg
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pub fn index(&self) -> usize
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{
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self.idx
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}
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/// The held values taken from the argument iterator as specified by the argument's definition.
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///
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/// # Note
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/// This moves the values, if you want to call this more than once, use `clone_held`.
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/// If called more than once will yield no values
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pub fn extract_held(&mut self) -> EitherIter<String, std::vec::IntoIter<String>>
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{
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self.held.take().into_iter()
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}
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/// Clone the held values taken from the argument iterator for this invokation.
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///
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/// # Note
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/// This clones all the values, instead of moving like `extract_held`, so multiple calls to this will yield the same clones.
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/// However, if `extract_held` has been called, this will yield no values.
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pub fn clone_held(&self) -> EitherIter<String, std::vec::IntoIter<String>>
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{
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self.held.clone().into_iter()
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}
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}
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impl<U> ArgState<U>
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{
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/// Parse this argument iterator.
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///
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/// # Note
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/// This mutates the argument state container indefinately, and multiple calls to it will keep the mutated state.
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/// So this might not behave as expected (e.g. callbacks marked `single` that were fired in the first call will not be fired in the second, etc.)
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pub fn parse<I,T: Into<String>>(&mut self, input: I) -> Result<Vec<Box<dyn Any+'static>>, ContextualError>
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where I: Iterator<Item=T>
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{
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let mut output = Vec::with_capacity(self.flags.len());
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let mut input = input.map(Into::into).fuse();
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let mut i=0;
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while let Some(arg) = input.next()
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{
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for (kind, desc, value, callback, single, chk) in self.flags.iter_mut().filter(|(_,_,_,_,_,chk)| *chk)
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{
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if *single {
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*chk = false;
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}
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//TODO: Check Kind matches `arg`, check `value` matches `input` and get the values.
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output.push(callback(&mut StateHandle{
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state: &mut self.user,
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args: &mut input,
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chk,
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idx: i,
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held: Either::None, //TODO: This will be for either one `=<value>` or many `<values...>` from args as according to `value`.
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}, i, &arg[..])
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.map_err(|err| Error{flag: kind.clone(), from: err, desc: Some(desc.clone().into_owned()), arg: (i, arg.clone())})?);
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}
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i+=1;
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}
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Ok(output)
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}
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|
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/// Consume into the user-provided state value
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#[inline] pub fn into_inner(self) -> U
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{
|
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self.user
|
|
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}
|
|
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}
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|
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/// Error without context
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#[derive(Debug)]
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pub struct Error
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{
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flag: Kind<'static>,
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arg: (usize, String),
|
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desc: Option<String>,
|
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from: eyre::Report,
|
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}
|
|
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|
|
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/// An argument parsing error with context
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#[repr(transparent)]
|
|
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#[derive(Debug)]
|
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pub struct ContextualError(Error);
|
|
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|
|
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#[derive(Debug, Clone, Copy)]
|
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pub struct ErrorContext<'a>
|
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{
|
|
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/// The error-throwing flag
|
|
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pub flag: &'a Kind<'static>,
|
|
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/// The argument string
|
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pub arg: &'a String,
|
|
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/// The index of the argument string
|
|
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pub arg_idx: &'a usize,
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|
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/// Message from the failing flag callback, if any
|
|
||||||
pub desc: Option<&'a String>,
|
|
||||||
/// The error report
|
|
||||||
pub from: &'a eyre::Report,
|
|
||||||
}
|
|
||||||
|
|
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impl ContextualError
|
|
||||||
{
|
|
||||||
/// The inner error
|
|
||||||
#[inline] pub fn inner(&self) -> &Error
|
|
||||||
{
|
|
||||||
&self.0
|
|
||||||
}
|
|
||||||
/// Strips the context and returns the inner error
|
|
||||||
#[inline] fn into_inner(self) -> Error
|
|
||||||
{
|
|
||||||
self.0
|
|
||||||
}
|
|
||||||
/// The context of this error
|
|
||||||
pub fn context(&self) -> ErrorContext<'_>
|
|
||||||
{
|
|
||||||
ErrorContext {
|
|
||||||
flag: &self.0.flag,
|
|
||||||
arg: &self.0.arg.1,
|
|
||||||
arg_idx: &self.0.arg.0,
|
|
||||||
desc: self.0.desc.as_ref(),
|
|
||||||
from: &self.0.from
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
/// Which argument was the error thrown for
|
|
||||||
pub fn what(&self) -> (usize, &str)
|
|
||||||
{
|
|
||||||
(self.0.arg.0, &self.0.arg.1[..])
|
|
||||||
}
|
|
||||||
|
|
||||||
/// Where did the parsing fail?
|
|
||||||
pub fn which(&self) -> Kind<'_>
|
|
||||||
{
|
|
||||||
self.0.flag.as_ref()
|
|
||||||
}
|
|
||||||
|
|
||||||
/// The message reported by the failing callback, if any
|
|
||||||
pub fn message(&self) -> Option<&str>
|
|
||||||
{
|
|
||||||
self.0.desc.as_ref().map(|x| &x[..])
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
impl error::Error for Error
|
|
||||||
{
|
|
||||||
fn source(&self) -> Option<&(dyn error::Error + 'static)> {
|
|
||||||
self.from.source()
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
impl fmt::Display for Error
|
|
||||||
{
|
|
||||||
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result
|
|
||||||
{
|
|
||||||
writeln!(f, "Failed to parse args")
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
impl fmt::Display for ContextualError
|
|
||||||
{
|
|
||||||
#[inline] fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result
|
|
||||||
{
|
|
||||||
self.0.fmt(f)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
impl Error
|
|
||||||
{
|
|
||||||
/// Consume into an `eyre::Report`.
|
|
||||||
fn into_report(self) -> eyre::Report
|
|
||||||
{
|
|
||||||
let Error {flag, desc, from ,arg: (idx, arg)} = self;
|
|
||||||
let err = Err::<!, _>(from)
|
|
||||||
//.wrap_err(eyre!("Failed to parse args"))
|
|
||||||
.with_section(move || format!("{:?}", flag).header("While attempting to parse for"))
|
|
||||||
.with_note(move || idx.to_string().header("Argument index was"))
|
|
||||||
.with_note(move || format!("{:?}", arg).header("Argument was"));
|
|
||||||
if let Some(desc) = desc {
|
|
||||||
err.with_suggestion(move || desc)
|
|
||||||
} else {
|
|
||||||
err
|
|
||||||
}.unwrap_err()
|
|
||||||
}
|
|
||||||
|
|
||||||
/// Add context to this error
|
|
||||||
pub fn with_context(self) -> ContextualError
|
|
||||||
{
|
|
||||||
ContextualError(Self {
|
|
||||||
flag: self.flag.clone(),
|
|
||||||
arg: self.arg.clone(),
|
|
||||||
desc: self.desc.clone(),
|
|
||||||
from: self.into_report(),
|
|
||||||
})
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
impl From<Error> for ContextualError
|
|
||||||
{
|
|
||||||
#[inline] fn from(from: Error) -> Self
|
|
||||||
{
|
|
||||||
from.with_context()
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
impl From<ContextualError> for eyre::Report
|
|
||||||
{
|
|
||||||
#[inline] fn from(from: ContextualError) -> Self
|
|
||||||
{
|
|
||||||
from.0.from
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
#[cfg(test)]
|
|
||||||
mod tests
|
|
||||||
{
|
|
||||||
use super::*;
|
|
||||||
#[test]
|
|
||||||
fn errors() -> Result<(), eyre::Report>
|
|
||||||
{
|
|
||||||
//color_eyre::install()?;
|
|
||||||
|
|
||||||
let err= Error {
|
|
||||||
flag: Kind::Long(&["test"], false),
|
|
||||||
arg: (0, "owo".to_owned()),
|
|
||||||
desc: Some("expected between 1-10".to_string()),
|
|
||||||
from: eyre!("Invalid number").wrap_err("Parsing failure"),
|
|
||||||
};
|
|
||||||
println!("No ctx: `{} {:?}`\n", err, err);
|
|
||||||
let err = err.with_context();
|
|
||||||
println!("With ctx: `{} {:?}`\n", err, err);
|
|
||||||
|
|
||||||
//return Err(err)?;
|
|
||||||
Ok(())
|
|
||||||
}
|
|
||||||
}
|
|
||||||
@ -1,275 +0,0 @@
|
|||||||
//! Logging
|
|
||||||
use super::*;
|
|
||||||
use std::{
|
|
||||||
str,
|
|
||||||
fmt,
|
|
||||||
error,
|
|
||||||
};
|
|
||||||
use recolored::Colorize;
|
|
||||||
|
|
||||||
/// The logging level
|
|
||||||
#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
|
|
||||||
pub enum Level
|
|
||||||
{
|
|
||||||
Trace,
|
|
||||||
Debug,
|
|
||||||
Info,
|
|
||||||
Warning,
|
|
||||||
Error,
|
|
||||||
Fatal,
|
|
||||||
}
|
|
||||||
|
|
||||||
impl fmt::Display for Level
|
|
||||||
{
|
|
||||||
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result
|
|
||||||
{
|
|
||||||
write!(f, "{}", match self {
|
|
||||||
Level::Trace => "TRACE".purple(),
|
|
||||||
Level::Debug => "DEBUG".blue(),
|
|
||||||
Level::Info => "INFO".green(),
|
|
||||||
Level::Warning => "WARNING".yellow(),
|
|
||||||
Level::Error => "ERROR".red(),
|
|
||||||
Level::Fatal => "FATAL".bright_red(),
|
|
||||||
})
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
impl str::FromStr for Level
|
|
||||||
{
|
|
||||||
type Err = LevelParseError;
|
|
||||||
|
|
||||||
fn from_str(s: &str) -> Result<Self, Self::Err> {
|
|
||||||
let s = s.trim().to_lowercase();
|
|
||||||
Ok(match s.as_str() {
|
|
||||||
"trace" => Level::Trace,
|
|
||||||
"debug" => Level::Debug,
|
|
||||||
"info" => Level::Info,
|
|
||||||
"warning" => Level::Warning,
|
|
||||||
"error" => Level::Error,
|
|
||||||
"fatal" => Level::Fatal,
|
|
||||||
_ => return Err(LevelParseError(s)),
|
|
||||||
})
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
#[derive(Debug)]
|
|
||||||
pub struct LevelParseError(String);
|
|
||||||
|
|
||||||
impl error::Error for LevelParseError{}
|
|
||||||
impl fmt::Display for LevelParseError
|
|
||||||
{
|
|
||||||
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result
|
|
||||||
{
|
|
||||||
write!(f, "{:?} is not a valid logging level", self.0)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
impl Level
|
|
||||||
{
|
|
||||||
fn is_err(&self) -> bool
|
|
||||||
{
|
|
||||||
match self {
|
|
||||||
Self::Error |
|
|
||||||
Self::Fatal |
|
|
||||||
Self::Warning => true,
|
|
||||||
_ => false,
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
fn should_print(&self, other: &Self) -> bool
|
|
||||||
{
|
|
||||||
other >= self
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
impl Default for Level
|
|
||||||
{
|
|
||||||
#[inline]
|
|
||||||
fn default() -> Self
|
|
||||||
{
|
|
||||||
Self::Info
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
/// Contains logging state
|
|
||||||
#[derive(Debug)]
|
|
||||||
pub struct Logger<B: ProgressBar = Bar>
|
|
||||||
{
|
|
||||||
level: Level,
|
|
||||||
progress: Handle<B>,
|
|
||||||
}
|
|
||||||
|
|
||||||
impl<B: ProgressBar> Clone for Logger<B>
|
|
||||||
{
|
|
||||||
fn clone(&self) -> Self
|
|
||||||
{
|
|
||||||
Self {
|
|
||||||
level: self.level,
|
|
||||||
progress: self.progress.clone(),
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
impl<B: ProgressBar> Logger<B>
|
|
||||||
{
|
|
||||||
/// Create a new logging state
|
|
||||||
pub fn new(progress: Handle<B>, level: Level) -> Self
|
|
||||||
{
|
|
||||||
Self{progress, level}
|
|
||||||
}
|
|
||||||
|
|
||||||
/// Get a reference of the progress handle
|
|
||||||
pub fn progress(&self) -> &Handle<B>
|
|
||||||
{
|
|
||||||
&self.progress
|
|
||||||
}
|
|
||||||
/// Get a mutable reference of the progress handle
|
|
||||||
pub fn progress_mut(&mut self) -> &mut Handle<B>
|
|
||||||
{
|
|
||||||
&mut self.progress
|
|
||||||
}
|
|
||||||
|
|
||||||
/// Get the logging level
|
|
||||||
pub fn level(&self) -> &Level
|
|
||||||
{
|
|
||||||
&self.level
|
|
||||||
}
|
|
||||||
|
|
||||||
/// Set the logging level
|
|
||||||
pub fn level_mut(&mut self) -> &mut Level
|
|
||||||
{
|
|
||||||
&mut self.level
|
|
||||||
}
|
|
||||||
|
|
||||||
fn gen_string(&self, level: &Level, disp: impl fmt::Display) -> String
|
|
||||||
{
|
|
||||||
format!("[ {} ]: \t{}", level, disp)
|
|
||||||
}
|
|
||||||
|
|
||||||
pub async fn print_display(&mut self, level: Level, disp: impl fmt::Display) -> Result<impl Future<Output=Result<Response, Error>>, Error>
|
|
||||||
{
|
|
||||||
if self.level.should_print(&level) {
|
|
||||||
let string = self.gen_string(&level, disp);
|
|
||||||
|
|
||||||
self.progress.send_command(if level.is_err() {CommandKind::LineErr(string)} else {CommandKind::Line(string)}).await
|
|
||||||
.map_err(Error::Progress)
|
|
||||||
.map(|x| x
|
|
||||||
.map_err(Error::Progress))
|
|
||||||
} else {
|
|
||||||
Err(Error::Level)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
pub async fn print_display_and_wait(&mut self, level: Level, disp: impl fmt::Display) -> Result<Response, Error>
|
|
||||||
{
|
|
||||||
Ok(self.print_display(level, disp).await?.await?)
|
|
||||||
}
|
|
||||||
pub async fn print_display_and_detach(&mut self, level: Level, disp: impl fmt::Display) -> Result<(), Error>
|
|
||||||
{
|
|
||||||
let _ = self.print_display(level, disp).await?;
|
|
||||||
Ok(())
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
#[non_exhaustive]
|
|
||||||
#[derive(Debug)]
|
|
||||||
pub enum Error
|
|
||||||
{
|
|
||||||
Progress(WorkerCommError),
|
|
||||||
Level,
|
|
||||||
}
|
|
||||||
|
|
||||||
impl error::Error for Error
|
|
||||||
{
|
|
||||||
fn source(&self) -> Option<&(dyn error::Error + 'static)> {
|
|
||||||
Some(match &self {
|
|
||||||
Self::Progress(p) => p,
|
|
||||||
_ => return None,
|
|
||||||
})
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
impl fmt::Display for Error
|
|
||||||
{
|
|
||||||
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result
|
|
||||||
{
|
|
||||||
match self {
|
|
||||||
Self::Progress(_) => write!(f, "sending to progress worker failed"),
|
|
||||||
Self::Level => write!(f, "invalid level for write"),
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
impl From<WorkerCommError> for Error
|
|
||||||
{
|
|
||||||
#[inline] fn from(from: WorkerCommError) -> Self
|
|
||||||
{
|
|
||||||
Self::Progress(from)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
#[macro_export] macro_rules! trace {
|
|
||||||
(yield $logger:expr => $msg:literal $($rest:tt)*) => {
|
|
||||||
{
|
|
||||||
let _ = $logger.print_display_and_wait($crate::progress::logging::Level::Trace, ::lazy_format::lazy_format!($msg $($rest)*)).await;
|
|
||||||
}
|
|
||||||
};
|
|
||||||
($logger:expr => $msg:literal $($rest:tt)*) => {
|
|
||||||
{
|
|
||||||
let _ = $logger.print_display_and_detach($crate::progress::logging::Level::Trace, ::lazy_format::lazy_format!($msg $($rest)*)).await;
|
|
||||||
}
|
|
||||||
};
|
|
||||||
}
|
|
||||||
|
|
||||||
#[macro_export] macro_rules! debug {
|
|
||||||
(yield $logger:expr => $msg:literal $($rest:tt)*) => {
|
|
||||||
{
|
|
||||||
let _ = $logger.print_display_and_wait($crate::progress::logging::Level::Debug, ::lazy_format::lazy_format!($msg $($rest)*)).await;
|
|
||||||
}
|
|
||||||
};
|
|
||||||
($logger:expr => $msg:literal $($rest:tt)*) => {
|
|
||||||
{
|
|
||||||
let _ = $logger.print_display_and_detach($crate::progress::logging::Level::Debug, ::lazy_format::lazy_format!($msg $($rest)*)).await;
|
|
||||||
}
|
|
||||||
};
|
|
||||||
}
|
|
||||||
|
|
||||||
#[macro_export] macro_rules! info {
|
|
||||||
(yield $logger:expr => $msg:literal $($rest:tt)*) => {
|
|
||||||
{
|
|
||||||
let _ = $logger.print_display_and_wait($crate::progress::logging::Level::Info, ::lazy_format::lazy_format!($msg $($rest)*)).await;
|
|
||||||
}
|
|
||||||
};
|
|
||||||
($logger:expr => $msg:literal $($rest:tt)*) => {
|
|
||||||
{
|
|
||||||
let _ = $logger.print_display_and_detach($crate::progress::logging::Level::Info, ::lazy_format::lazy_format!($msg $($rest)*)).await;
|
|
||||||
}
|
|
||||||
};
|
|
||||||
}
|
|
||||||
|
|
||||||
#[macro_export] macro_rules! warn {
|
|
||||||
(yield $logger:expr => $msg:literal $($rest:tt)*) => {
|
|
||||||
{
|
|
||||||
let _ = $logger.print_display_and_wait($crate::progress::logging::Level::Warn, ::lazy_format::lazy_format!($msg $($rest)*)).await;
|
|
||||||
}
|
|
||||||
};
|
|
||||||
($logger:expr => $msg:literal $($rest:tt)*) => {
|
|
||||||
{
|
|
||||||
let _ = $logger.print_display_and_detach($crate::progress::logging::Level::Warn, ::lazy_format::lazy_format!($msg $($rest)*)).await;
|
|
||||||
}
|
|
||||||
};
|
|
||||||
}
|
|
||||||
|
|
||||||
#[macro_export] macro_rules! error {
|
|
||||||
(yield $logger:expr => $msg:literal $($rest:tt)*) => {
|
|
||||||
{
|
|
||||||
let _ = $logger.print_display_and_wait($crate::progress::logging::Level::Error, ::lazy_format::lazy_format!($msg $($rest)*)).await;
|
|
||||||
}
|
|
||||||
};
|
|
||||||
($logger:expr => $msg:literal $($rest:tt)*) => {
|
|
||||||
{
|
|
||||||
let _ = $logger.print_display_and_detach($crate::progress::logging::Level::Error, ::lazy_format::lazy_format!($msg $($rest)*)).await;
|
|
||||||
}
|
|
||||||
};
|
|
||||||
}
|
|
||||||
@ -1,448 +0,0 @@
|
|||||||
//! Async progression
|
|
||||||
use super::*;
|
|
||||||
use termprogress::{
|
|
||||||
prelude::*,
|
|
||||||
};
|
|
||||||
use futures::{
|
|
||||||
prelude::*,
|
|
||||||
};
|
|
||||||
use tokio::{
|
|
||||||
sync::{
|
|
||||||
mpsc,
|
|
||||||
RwLock,
|
|
||||||
watch,
|
|
||||||
oneshot,
|
|
||||||
|
|
||||||
RwLockReadGuard,
|
|
||||||
RwLockWriteGuard,
|
|
||||||
},
|
|
||||||
task::{self, JoinHandle},
|
|
||||||
};
|
|
||||||
use std::{
|
|
||||||
sync::{
|
|
||||||
Weak,
|
|
||||||
},
|
|
||||||
fmt,
|
|
||||||
error,
|
|
||||||
};
|
|
||||||
|
|
||||||
#[macro_use] pub mod logging;
|
|
||||||
|
|
||||||
mod tasklist;
|
|
||||||
pub use tasklist::{
|
|
||||||
TaskId,
|
|
||||||
IdNotFoundError,
|
|
||||||
};
|
|
||||||
|
|
||||||
/// Command to send to worker task.
|
|
||||||
#[derive(Debug)]
|
|
||||||
pub enum CommandKind
|
|
||||||
{
|
|
||||||
Line(String),
|
|
||||||
LineErr(String),
|
|
||||||
|
|
||||||
Bump(isize),
|
|
||||||
BumpHigh(isize),
|
|
||||||
Set{low: Option<usize>, high: Option<usize>},
|
|
||||||
|
|
||||||
Refresh,
|
|
||||||
|
|
||||||
/// Add a task to the tasklist
|
|
||||||
///
|
|
||||||
/// # Response
|
|
||||||
/// Will respond with the task's `TaskId`.
|
|
||||||
AddTask(String),
|
|
||||||
/// Remove a task from the tasklist.
|
|
||||||
///
|
|
||||||
/// # Response
|
|
||||||
/// Will respond with `Result<String, IdNotFoundError>` of the removal operation
|
|
||||||
RemoveTask(TaskId),
|
|
||||||
|
|
||||||
/// Set the title directly
|
|
||||||
SetTitle(String),
|
|
||||||
|
|
||||||
Shutdown,
|
|
||||||
|
|
||||||
Many(Vec<CommandKind>),
|
|
||||||
}
|
|
||||||
|
|
||||||
/// The type sent in response to a `Command`.
|
|
||||||
pub type Response = Option<Box<dyn std::any::Any + Send + 'static>>;
|
|
||||||
|
|
||||||
#[derive(Debug)]
|
|
||||||
enum CommandIter
|
|
||||||
{
|
|
||||||
One(std::iter::Once<CommandKind>),
|
|
||||||
Many(std::vec::IntoIter<CommandKind>),
|
|
||||||
}
|
|
||||||
impl ExactSizeIterator for CommandIter{}
|
|
||||||
|
|
||||||
impl Iterator for CommandIter
|
|
||||||
{
|
|
||||||
type Item = CommandKind;
|
|
||||||
fn next(&mut self) -> Option<Self::Item>
|
|
||||||
{
|
|
||||||
match self {
|
|
||||||
Self::One(one) => one.next(),
|
|
||||||
Self::Many(many) => many.next(),
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
fn size_hint(&self) -> (usize, Option<usize>)
|
|
||||||
{
|
|
||||||
let sz = match self {
|
|
||||||
Self::One(_) => 1,
|
|
||||||
Self::Many(m) => m.len(),
|
|
||||||
};
|
|
||||||
(sz, Some(sz))
|
|
||||||
}
|
|
||||||
}
|
|
||||||
impl std::iter::FusedIterator for CommandIter{}
|
|
||||||
|
|
||||||
|
|
||||||
impl CommandKind
|
|
||||||
{
|
|
||||||
/// Enumerate all possible commands if this is `Many`.
|
|
||||||
///
|
|
||||||
/// The outputs may still contain `Many`.
|
|
||||||
//TODO: Make this work recursively
|
|
||||||
fn enumerate(self) -> CommandIter
|
|
||||||
{
|
|
||||||
match self {
|
|
||||||
Self::Many(many) => CommandIter::Many(many.into_iter()),
|
|
||||||
other => CommandIter::One(std::iter::once(other)),
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
#[derive(Debug, Clone)]
|
|
||||||
pub struct BarRef<B>(Arc<RwLock<B>>);
|
|
||||||
|
|
||||||
#[derive(Debug)]
|
|
||||||
struct Command(CommandKind, oneshot::Sender<Response>);
|
|
||||||
|
|
||||||
/// The bar's state
|
|
||||||
#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Default)]
|
|
||||||
pub struct State
|
|
||||||
{
|
|
||||||
max: usize,
|
|
||||||
cur: usize,
|
|
||||||
//TODO: Tasks
|
|
||||||
}
|
|
||||||
|
|
||||||
impl State
|
|
||||||
{
|
|
||||||
/// The current progress
|
|
||||||
pub fn prog(&self) -> f64
|
|
||||||
{
|
|
||||||
(self.cur as f64) / (self.max as f64)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
/// A handle to a running async progress bar
|
|
||||||
#[derive(Debug)]
|
|
||||||
pub struct Handle<B = Bar>
|
|
||||||
where B: ProgressBar,
|
|
||||||
{
|
|
||||||
// Channel to send commands to the worker
|
|
||||||
chan: mpsc::Sender<Command>,
|
|
||||||
// A weak reference to the worker's bar itself
|
|
||||||
bar: Weak<RwLock<B>>,
|
|
||||||
// A strong reference to the bar's state
|
|
||||||
state: Arc<RwLock<State>>,
|
|
||||||
// Has the worker shut down?
|
|
||||||
dead: watch::Receiver<bool>,
|
|
||||||
}
|
|
||||||
|
|
||||||
impl<B: ProgressBar> Clone for Handle<B>
|
|
||||||
{
|
|
||||||
fn clone(&self)->Self
|
|
||||||
{
|
|
||||||
Self {
|
|
||||||
chan: self.chan.clone(),
|
|
||||||
bar: self.bar.clone(),
|
|
||||||
state: self.state.clone(),
|
|
||||||
dead: self.dead.clone(),
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
impl<B: ProgressBar> Handle<B>
|
|
||||||
{
|
|
||||||
/// Is the worker alive?
|
|
||||||
pub fn is_alive(&self) -> bool
|
|
||||||
{
|
|
||||||
self.bar.strong_count()>0 && !*self.dead.borrow()
|
|
||||||
}
|
|
||||||
|
|
||||||
/// Yields until the worker shutds down gracefully
|
|
||||||
pub async fn closed(&mut self) -> Result<(),WorkerCommError>
|
|
||||||
{
|
|
||||||
loop {
|
|
||||||
match self.dead.recv().await {
|
|
||||||
Some(true) => return Ok(()),
|
|
||||||
None => return Err(WorkerCommError),
|
|
||||||
_ => continue,
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
/// Send a command to the worker.
|
|
||||||
///
|
|
||||||
/// Returns a future that completes to `Ok` when the worker successfully processes the command, and `Err` if the worker exits before processing it
|
|
||||||
pub async fn send_command(&mut self, command: CommandKind) -> Result<impl Future<Output=Result<Response, WorkerCommError>>, WorkerCommError>
|
|
||||||
{
|
|
||||||
let (tx, rx) = oneshot::channel();
|
|
||||||
self.chan.send(Command(command, tx)).await.map_err(|_| WorkerCommError)?;
|
|
||||||
|
|
||||||
Ok(rx.map(|res| res.map_err(|_| WorkerCommError)))
|
|
||||||
}
|
|
||||||
|
|
||||||
/// Send a command to the worker and then wait for it to be processed
|
|
||||||
pub async fn send_command_and_wait(&mut self, command: CommandKind) -> Result<Response, WorkerCommError>
|
|
||||||
{
|
|
||||||
self.send_command(command).await?.await
|
|
||||||
}
|
|
||||||
|
|
||||||
/// Send a command to the worker and then wait for it to be processed, then attempt to downcast to type `T`.
|
|
||||||
pub async fn send_command_and_downcast<T: 'static>(&mut self, command: CommandKind) -> Result<Option<T>, WorkerCommError>
|
|
||||||
{
|
|
||||||
let resp = self.send_command(command).await?.await?;
|
|
||||||
|
|
||||||
Ok(resp.map(|x| x.downcast::<T>().ok().map(|x| *x)).flatten())
|
|
||||||
}
|
|
||||||
|
|
||||||
/// Send a command to the worker but do not wait for it to be processed
|
|
||||||
pub async fn send_command_and_detach(&mut self, command: CommandKind) -> Result<(), WorkerCommError>
|
|
||||||
{
|
|
||||||
let _ = self.send_command(command).await?;
|
|
||||||
Ok(())
|
|
||||||
}
|
|
||||||
|
|
||||||
/// Get a reference to the state
|
|
||||||
pub async fn state(&self) -> RwLockReadGuard<'_, State>
|
|
||||||
{
|
|
||||||
self.state.read().await
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
/// Act on a mutable reference to the bar within this closure
|
|
||||||
///
|
|
||||||
/// # Notes
|
|
||||||
/// Acquiring this will prevent the worker from exiting until the closure finishes.
|
|
||||||
pub async fn with_bar_mut<F,T>(&self, fun: F) -> Result<T, WorkerCommError>
|
|
||||||
where F: FnOnce(&'_ mut B) -> T,
|
|
||||||
{
|
|
||||||
let handle = self.bar.upgrade().ok_or(WorkerCommError)?;
|
|
||||||
let mut h = handle.write().await;
|
|
||||||
use std::ops::DerefMut;
|
|
||||||
Ok(fun(h.deref_mut()))
|
|
||||||
}
|
|
||||||
/// Act on a reference to the bar within this closure
|
|
||||||
///
|
|
||||||
/// # Notes
|
|
||||||
/// Acquiring this will prevent the worker from exiting until the closure finishes.
|
|
||||||
pub async fn with_bar<F,T>(&self, fun: F) -> Result<T, WorkerCommError>
|
|
||||||
where F: FnOnce(&'_ B) -> T,
|
|
||||||
{
|
|
||||||
let handle = self.bar.upgrade().ok_or(WorkerCommError)?;
|
|
||||||
let h = handle.read().await;
|
|
||||||
use std::ops::Deref;
|
|
||||||
Ok(fun(h.deref()))
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
/// Error communicating with worker
|
|
||||||
#[derive(Debug)]
|
|
||||||
pub struct WorkerCommError;
|
|
||||||
|
|
||||||
impl error::Error for WorkerCommError{}
|
|
||||||
impl fmt::Display for WorkerCommError
|
|
||||||
{
|
|
||||||
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result
|
|
||||||
{
|
|
||||||
write!(f, "failed to communicate with worker.")
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
/// Host a progress bar and detach it
|
|
||||||
pub fn host<B: ProgressBar + Send + Sync + 'static>(bar: B) -> (Handle<B>, JoinHandle<B>)
|
|
||||||
{
|
|
||||||
let state = Arc::new(RwLock::new(Default::default()));
|
|
||||||
let (mut rx, death, bar, handle) = {
|
|
||||||
let (tx, rx) = mpsc::channel(24);
|
|
||||||
let (death, dead) = watch::channel(false);
|
|
||||||
let bar = Arc::new(RwLock::new(bar));
|
|
||||||
let handle = Handle {
|
|
||||||
chan: tx,
|
|
||||||
dead,
|
|
||||||
bar: Arc::downgrade(&bar),
|
|
||||||
state: Arc::clone(&state),
|
|
||||||
};
|
|
||||||
(rx,death,bar,handle)
|
|
||||||
};
|
|
||||||
(handle, tokio::spawn(async move {
|
|
||||||
({
|
|
||||||
let mut tasks = tasklist::TaskList::new();
|
|
||||||
macro_rules! update_bar {
|
|
||||||
(refresh $($tt:tt)*) => {
|
|
||||||
{
|
|
||||||
let bar = bar.read().await;
|
|
||||||
bar.refresh();
|
|
||||||
update_bar!($($tt)*);
|
|
||||||
}
|
|
||||||
};
|
|
||||||
(to $state:ident $($tt:tt)*) => {
|
|
||||||
{
|
|
||||||
let mut bar = bar.write().await;
|
|
||||||
bar.set_progress($state.prog());
|
|
||||||
update_bar!($($tt)*);
|
|
||||||
}
|
|
||||||
};
|
|
||||||
(write error $line:ident $($tt:tt)*) => {
|
|
||||||
{
|
|
||||||
let bar = bar.read().await;
|
|
||||||
let string = &$line[..];
|
|
||||||
bar.eprintln(string);
|
|
||||||
update_bar!($($tt)*);
|
|
||||||
}
|
|
||||||
};
|
|
||||||
(write $(std)? $line:ident $($tt:tt)*) => {
|
|
||||||
{
|
|
||||||
let bar = bar.read().await;
|
|
||||||
let string = &$line[..];
|
|
||||||
bar.println(string);
|
|
||||||
update_bar!($($tt)*);
|
|
||||||
}
|
|
||||||
};
|
|
||||||
|
|
||||||
(title $(std)? $title:ident $($tt:tt)*) => {
|
|
||||||
{
|
|
||||||
let mut bar = bar.write().await;
|
|
||||||
bar.set_title(&$title[..]);
|
|
||||||
update_bar!($($tt)*);
|
|
||||||
}
|
|
||||||
};
|
|
||||||
(title $($tt:tt)*) => {
|
|
||||||
{
|
|
||||||
let mut bar = bar.write().await;
|
|
||||||
bar.set_title(tasks.as_str());
|
|
||||||
update_bar!($($tt)*);
|
|
||||||
}
|
|
||||||
};
|
|
||||||
(+task $task:ident $($tt:tt)*) => {
|
|
||||||
{
|
|
||||||
let id = tasks.add($task);
|
|
||||||
update_bar!($($tt)*);
|
|
||||||
id
|
|
||||||
}
|
|
||||||
};
|
|
||||||
(-task $id:ident $($tt:tt)*) => {
|
|
||||||
{
|
|
||||||
let res = tasks.remove(&$id);
|
|
||||||
update_bar!($($tt)*);
|
|
||||||
res
|
|
||||||
}
|
|
||||||
};
|
|
||||||
() => {};
|
|
||||||
}
|
|
||||||
|
|
||||||
update_bar!(refresh);
|
|
||||||
while let Some(Command(command, response)) = rx.recv().await {
|
|
||||||
let response = Arc::new(std::sync::Mutex::new(Some(response)));
|
|
||||||
|
|
||||||
/// Send a response if one has not already been sent.
|
|
||||||
///
|
|
||||||
/// # Returns
|
|
||||||
/// * `Some(Ok(())` - if response was sent okay
|
|
||||||
/// * `Some(Err(_))` - if response failed to send.
|
|
||||||
/// * `None` - if response has already been sent
|
|
||||||
///
|
|
||||||
/// # Panics
|
|
||||||
/// If mutex is poisoned (this should be impossible).
|
|
||||||
macro_rules! send_response {
|
|
||||||
($value:expr) => (send_response!(@ response => Some(Box::new($value))));
|
|
||||||
(@ $response:ident => $value:expr) => {
|
|
||||||
{
|
|
||||||
let value: Response = $value;
|
|
||||||
{
|
|
||||||
if let Some(response) = $response.lock().unwrap().take() {
|
|
||||||
Some(response.send(value))
|
|
||||||
} else {
|
|
||||||
None
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
};
|
|
||||||
}
|
|
||||||
|
|
||||||
// Guard that ensures a `None` response is sent after this command has been processed, if an explicit response has not yet been sent.
|
|
||||||
let _resp = {
|
|
||||||
let response = Arc::clone(&response);
|
|
||||||
util::defer(move || send_response!(@ response => None).ignore())
|
|
||||||
};
|
|
||||||
match command {
|
|
||||||
CommandKind::Shutdown => break,
|
|
||||||
CommandKind::BumpHigh(sz) if sz >= 0 => {
|
|
||||||
let mut state = state.write().await;
|
|
||||||
state.max = state.max.saturating_add(sz as usize);
|
|
||||||
|
|
||||||
update_bar!(to state);
|
|
||||||
},
|
|
||||||
CommandKind::BumpHigh(sz) => {
|
|
||||||
debug_assert!(sz <0);
|
|
||||||
let mut state = state.write().await;
|
|
||||||
state.max = state.max.saturating_sub(sz.abs() as usize);
|
|
||||||
|
|
||||||
update_bar!(to state);
|
|
||||||
},
|
|
||||||
CommandKind::Bump(sz) if sz >= 0 => {
|
|
||||||
let mut state = state.write().await;
|
|
||||||
state.cur = state.cur.saturating_add(sz as usize);
|
|
||||||
|
|
||||||
update_bar!(to state);
|
|
||||||
},
|
|
||||||
CommandKind::Bump(sz) => {
|
|
||||||
debug_assert!(sz <0);
|
|
||||||
let mut state = state.write().await;
|
|
||||||
state.cur = state.cur.saturating_sub(sz.abs() as usize);
|
|
||||||
|
|
||||||
update_bar!(to state);
|
|
||||||
},
|
|
||||||
CommandKind::Set{low: None, high: None} => (),
|
|
||||||
CommandKind::Set{low, high} => {
|
|
||||||
let mut state = state.write().await;
|
|
||||||
state.cur = low.unwrap_or(state.cur);
|
|
||||||
state.max = high.unwrap_or(state.max);
|
|
||||||
|
|
||||||
update_bar!(to state);
|
|
||||||
},
|
|
||||||
CommandKind::Line(line) => update_bar!(write line),
|
|
||||||
CommandKind::LineErr(line) => update_bar!(write error line),
|
|
||||||
|
|
||||||
CommandKind::AddTask(string) => {
|
|
||||||
send_response!(update_bar!(+task string title));
|
|
||||||
},
|
|
||||||
CommandKind::RemoveTask(id) => {
|
|
||||||
send_response!(update_bar!(-task id title));
|
|
||||||
},
|
|
||||||
CommandKind::SetTitle(string) => update_bar!(title string),
|
|
||||||
CommandKind::Refresh => update_bar!(refresh),
|
|
||||||
CommandKind::Many(_) => unimplemented!(),
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// Consume the bar and return
|
|
||||||
{
|
|
||||||
let mut bar = bar;
|
|
||||||
loop {
|
|
||||||
bar = match Arc::try_unwrap(bar) {
|
|
||||||
Ok(bar) => break bar,
|
|
||||||
Err(bar) => bar,
|
|
||||||
};
|
|
||||||
task::yield_now().await;
|
|
||||||
}.into_inner()
|
|
||||||
}
|
|
||||||
}, death.broadcast(true)).0
|
|
||||||
}))
|
|
||||||
}
|
|
||||||
@ -1,141 +0,0 @@
|
|||||||
//! Tasklist for progressbar
|
|
||||||
use super::*;
|
|
||||||
use std::{
|
|
||||||
collections::LinkedList,
|
|
||||||
fmt,
|
|
||||||
error,
|
|
||||||
};
|
|
||||||
use uuid::Uuid;
|
|
||||||
|
|
||||||
#[derive(Debug, PartialEq, Eq, Ord, PartialOrd, Hash)]
|
|
||||||
#[repr(transparent)]
|
|
||||||
pub struct TaskId(Uuid);
|
|
||||||
|
|
||||||
impl fmt::Display for TaskId
|
|
||||||
{
|
|
||||||
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result
|
|
||||||
{
|
|
||||||
write!(f, "<{}>", self.0)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
/// A list of tasks
|
|
||||||
#[derive(Debug, Clone)]
|
|
||||||
pub struct TaskList
|
|
||||||
{
|
|
||||||
tasks: LinkedList<(Uuid, String)>,
|
|
||||||
|
|
||||||
strbuf: String,
|
|
||||||
}
|
|
||||||
|
|
||||||
impl fmt::Display for TaskList
|
|
||||||
{
|
|
||||||
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result
|
|
||||||
{
|
|
||||||
write!(f, "{}", self.strbuf)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
impl TaskList
|
|
||||||
{
|
|
||||||
/// The current full string
|
|
||||||
pub fn as_str(&self) -> &str
|
|
||||||
{
|
|
||||||
self.strbuf.as_str()
|
|
||||||
}
|
|
||||||
|
|
||||||
/// Create a new, empty tasklist
|
|
||||||
pub fn new() -> Self
|
|
||||||
{
|
|
||||||
Self{tasks:LinkedList::new(), strbuf:String::new()}
|
|
||||||
}
|
|
||||||
|
|
||||||
fn recalc_buf(&mut self)
|
|
||||||
{
|
|
||||||
self.strbuf = self.tasks.iter().map(|(_, stri)| stri.as_str()).join(", ");
|
|
||||||
}
|
|
||||||
|
|
||||||
fn push_buf_one(&mut self, task: &str)
|
|
||||||
{
|
|
||||||
if self.strbuf.len() > 0 {
|
|
||||||
self.strbuf.push_str(", ");
|
|
||||||
}
|
|
||||||
self.strbuf.push_str(task)
|
|
||||||
}
|
|
||||||
|
|
||||||
/// Add a task to the end of the list
|
|
||||||
pub fn add(&mut self, task: impl Into<String>) -> TaskId
|
|
||||||
{
|
|
||||||
let id = Uuid::new_v4();
|
|
||||||
|
|
||||||
let task = task.into();
|
|
||||||
self.push_buf_one(&task[..]);
|
|
||||||
self.tasks.push_back((id.clone(), task));
|
|
||||||
|
|
||||||
TaskId(id)
|
|
||||||
}
|
|
||||||
|
|
||||||
/// Remove all tasks
|
|
||||||
pub fn clear(&mut self)
|
|
||||||
{
|
|
||||||
self.tasks.clear();
|
|
||||||
self.strbuf.clear();
|
|
||||||
}
|
|
||||||
|
|
||||||
/// An iterator over all tasks currently in
|
|
||||||
pub fn tasks(&self) -> impl Iterator<Item = &'_ str> + '_
|
|
||||||
{
|
|
||||||
self.tasks.iter().map(|(_, strs)| strs.as_str())
|
|
||||||
}
|
|
||||||
|
|
||||||
/// Remove this task from the list, returning its string if it exists
|
|
||||||
pub fn remove(&mut self, task_id: &TaskId) -> Result<String, IdNotFoundError>
|
|
||||||
{
|
|
||||||
let value = match self.tasks.drain_filter(|(id, _)| id==&task_id.0).next() {
|
|
||||||
Some((_, string)) => string,
|
|
||||||
None => return Err(IdNotFoundError(TaskId(task_id.0.clone()))),
|
|
||||||
};
|
|
||||||
self.recalc_buf();
|
|
||||||
Ok(value)
|
|
||||||
}
|
|
||||||
|
|
||||||
/// Get this task ID's string
|
|
||||||
pub fn task_get(&self, task_id: &TaskId)-> Option<&str>
|
|
||||||
{
|
|
||||||
self.tasks.iter().filter(|(id, _)| id == &task_id.0).next().map(|x| x.1.as_str())
|
|
||||||
}
|
|
||||||
|
|
||||||
/// Replace this task ID with this string, retuning the old one.
|
|
||||||
pub fn task_set(&mut self, task_id: &TaskId, value: impl Into<String>) -> Result<String, IdNotFoundError>
|
|
||||||
{
|
|
||||||
let old = match self.tasks.iter_mut().filter(|(id, _)| id == &task_id.0).next().map(|x| &mut x.1) {
|
|
||||||
Some(string) => std::mem::replace(string, value.into()),
|
|
||||||
None => return Err(IdNotFoundError(TaskId(task_id.0.clone()))),
|
|
||||||
};
|
|
||||||
self.recalc_buf();
|
|
||||||
Ok(old)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
/// Error when trying to remove a non-existent ID.
|
|
||||||
#[derive(Debug)]
|
|
||||||
pub struct IdNotFoundError(TaskId);
|
|
||||||
|
|
||||||
impl IdNotFoundError
|
|
||||||
{
|
|
||||||
/// Get the ID that was not found
|
|
||||||
pub fn id(&self) -> &TaskId
|
|
||||||
{
|
|
||||||
&self.0
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
impl error::Error for IdNotFoundError{}
|
|
||||||
impl fmt::Display for IdNotFoundError
|
|
||||||
{
|
|
||||||
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result
|
|
||||||
{
|
|
||||||
write!(f, "{}: unknown ID to this TaskList", self.0)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
Loading…
Reference in new issue