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add upper bound to the padding option

This commit is contained in:
Ondrej Novak 2026-02-19 22:15:44 +01:00
parent 4bd7e0283f
commit 583bc8866a
1 changed files with 6 additions and 0 deletions
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6
src/cli.rs
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@ -40,6 +40,7 @@ pub struct Args {
pub enum CliError { pub enum CliError {
CouldNotParseTime, CouldNotParseTime,
CouldNotParseDate, CouldNotParseDate,
PaddingTooLarge,
CouldNotParseTimezone(String), CouldNotParseTimezone(String),
CouldNotGenerateTimetable(String), CouldNotGenerateTimetable(String),
} }
@ -49,6 +50,7 @@ impl fmt::Display for CliError {
let message = match *self { let message = match *self {
Self::CouldNotParseTime => "Couldn't parse time".to_string(), Self::CouldNotParseTime => "Couldn't parse time".to_string(),
Self::CouldNotParseDate => "Couldn't parse date".to_string(), Self::CouldNotParseDate => "Couldn't parse date".to_string(),
Self::PaddingTooLarge => "Padding option cannot be larger than 12".to_string(),
Self::CouldNotParseTimezone(ref tz) => { Self::CouldNotParseTimezone(ref tz) => {
format!("Couldn't parse timezone {}", tz).to_string() format!("Couldn't parse timezone {}", tz).to_string()
} }
@ -70,6 +72,10 @@ pub fn print_timezones(
local_timezone: &String, local_timezone: &String,
padding_hours: i8, padding_hours: i8,
) -> Result<(), CliError> { ) -> Result<(), CliError> {
if padding_hours > 12 {
return Err(CliError::PaddingTooLarge);
};
let parsed_time = if let Some(t) = time { let parsed_time = if let Some(t) = time {
if let Ok(hour) = t.parse::<u32>() { if let Ok(hour) = t.parse::<u32>() {
NaiveTime::from_hms_opt(hour, 0, 0).ok_or(CliError::CouldNotParseTime)? NaiveTime::from_hms_opt(hour, 0, 0).ok_or(CliError::CouldNotParseTime)?