40 lines
1.1 KiB
Rust
40 lines
1.1 KiB
Rust
use clap::ValueEnum;
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#[derive(ValueEnum, Debug, Copy, Clone, Eq, PartialEq)]
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pub enum Modes {
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/// Perform calculations by treating stdin as a stream of time pairs separated by newlines
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TimeTable,
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/// Perform live tracking of the user's time until an EOF character is received.
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Live,
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/// Predict a user's day end time (assuming a 9 hour work day) based on the user's start time
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/// and the duration of a user's break.
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Prediction,
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}
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impl Modes {
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/// Determine whether or not the variant supports piped input vs being used as a CLI tool
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/// directly by a human
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pub fn supports_piped_input(&self) -> bool {
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match self {
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Modes::TimeTable => true,
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Modes::Live => false,
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Modes::Prediction => false,
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}
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}
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}
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impl Default for Modes {
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fn default() -> Self {
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Self::TimeTable
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}
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}
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impl std::fmt::Display for Modes {
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fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
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self.to_possible_value()
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.expect("no values are skipped")
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.get_name()
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.fmt(f)
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}
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}
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