dprint 0.15.1

Binary for dprint code formatter—a pluggable and configurable code formatting platform.
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use std::path::PathBuf;
use std::time::Instant;

use crate::environment::Environment;

use super::{LocalPluginWork, PluginStealInfo};

pub enum LocalWorkStealKind {
    Immediate,
    Items(PluginStealInfo),
}

pub struct LocalWorkStealInfo {
    pub stealer_id: usize,
    pub kind: LocalWorkStealKind,
}

impl LocalWorkStealInfo {
    pub fn has_plugin_available(&self) -> bool {
        match &self.kind {
            LocalWorkStealKind::Items(items) => items.has_plugin_available,
            _ => false,
        }
    }
}

#[derive(Clone)]
pub struct FormattingFilePathInfo {
    pub start_time: Instant,
    pub file_path: PathBuf,
}

pub struct LocalWork<TEnvironment: Environment> {
    pub work_by_plugin: Vec<LocalPluginWork<TEnvironment>>,
    pub stealer_id: usize,
    /// The file path currently being formatted. This is used to tell when a worker
    /// is taking too much time.
    current_formatting_file_path: Option<FormattingFilePathInfo>,
}

impl<TEnvironment: Environment> LocalWork<TEnvironment> {
    pub fn new(work_by_plugin: Vec<LocalPluginWork<TEnvironment>>) -> Self {
        LocalWork {
            work_by_plugin,
            stealer_id: 0,
            current_formatting_file_path: None,
        }
    }

    pub fn calculate_worthwhile_steal_time(&self) -> Option<LocalWorkStealInfo> {
        if self.work_by_plugin.len() > 1 {
            Some(LocalWorkStealInfo {
                stealer_id: self.stealer_id,
                kind: LocalWorkStealKind::Immediate
            })
        } else {
            self.work_by_plugin.get(0)
                .map(|plugin_work| plugin_work.calculate_worthwhile_steal_time())
                .flatten()
                .map(|plugin_info| LocalWorkStealInfo {
                    stealer_id: self.stealer_id,
                    kind: LocalWorkStealKind::Items(plugin_info),
                })
        }
    }

    pub fn get_current_formatting_file_path_info(&self) -> Option<FormattingFilePathInfo> {
        self.current_formatting_file_path.clone()
    }

    pub fn set_current_formatting_file_path(&mut self, file_path: PathBuf) {
        self.current_formatting_file_path = Some(FormattingFilePathInfo {
            start_time: Instant::now(),
            file_path,
        });
    }

    pub fn clear_current_formatting_file_path(&mut self) {
        self.current_formatting_file_path.take();
    }
}