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TryFrom (u8,u8,u8,u8) for RegionDisplay

This commit is contained in:
Emilia Allison 2023-05-21 20:14:55 -04:00
parent 6612e74b69
commit b97726c297
Signed by: emilia
GPG Key ID: 7A3F8997BFE894E0
1 changed files with 21 additions and 11 deletions
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32
src/components/transfer_menu.rs
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@ -33,10 +33,10 @@ pub fn TransferMenu(cx: Scope) -> Element {
#[derive(PartialEq, Eq, Debug)] #[derive(PartialEq, Eq, Debug)]
struct RegionDisplay { struct RegionDisplay {
text: String, text: String,
row_start: u8,
row_end: u8,
col_start: u8, col_start: u8,
col_end: u8 row_start: u8,
col_end: u8,
row_end: u8,
} }
impl TryFrom<String> for RegionDisplay { impl TryFrom<String> for RegionDisplay {
@ -48,16 +48,17 @@ impl TryFrom<String> for RegionDisplay {
} }
if let Some(captures) = REGION_REGEX.captures(&value) { if let Some(captures) = REGION_REGEX.captures(&value) {
if captures.len() != 5 { return Err("Not enough capture groups") } if captures.len() != 5 { return Err("Not enough capture groups") }
let col_start = letters_to_num(&captures[1]).ok_or("Row start failed to parse")?; let col_start = letters_to_num(&captures[1]).ok_or("Column start failed to parse")?;
let col_end = letters_to_num(&captures[3]).ok_or("Row end failed to parse")?; let col_end = letters_to_num(&captures[3]).ok_or("Column end failed to parse")?;
let row_start: u8 = captures[2].parse::<u8>().or(Err("Col start failed to parse"))?; let row_start: u8 = captures[2].parse::<u8>().or(Err("Row start failed to parse"))?;
let row_end: u8 = captures[4].parse::<u8>().or(Err("Col end failed to parse"))?; let row_end: u8 = captures[4].parse::<u8>().or(Err("Row end failed to parse"))?;
return Ok(RegionDisplay { return Ok(RegionDisplay {
text: value, text: value,
row_start,
row_end,
col_start, col_start,
col_end }) row_start,
col_end,
row_end,
})
} else { } else {
return Err("Regex match failed") return Err("Regex match failed")
} }
@ -68,8 +69,17 @@ impl TryFrom<(u8,u8,u8,u8)> for RegionDisplay {
type Error = &'static str; type Error = &'static str;
fn try_from(value: (u8,u8,u8,u8)) -> Result<Self, Self::Error> { fn try_from(value: (u8,u8,u8,u8)) -> Result<Self, Self::Error> {
// (Column Start, Row Start, Column End, Row End)
// This can only possibly fail if one of the coordinates is zero... // This can only possibly fail if one of the coordinates is zero...
Err("ni") let cs = num_to_letters(value.0).ok_or("Column start failed to parse")?;
let ce = num_to_letters(value.2).ok_or("Column end failed to parse")?;
Ok(RegionDisplay {
text: format!("{}{}:{}{}", cs, value.1, ce, value.3),
col_start: value.0,
row_start: value.1,
col_end: value.2,
row_end: value.3,
})
} }
} }
fn letters_to_num(letters: &str) -> Option<u8> { fn letters_to_num(letters: &str) -> Option<u8> {