Merge pull request 'T-Dark letter cases implemented' (#10) from feature/tdark-cases into master

Reviewed-on: https://git.ablecorp.us:443/AbleScript/able-script/pulls/10
This commit is contained in:
Erin 2022-05-03 21:03:42 +00:00 committed by ondra05
commit fd97655e04

View file

@ -596,12 +596,36 @@ impl<'source> Parser<'source> {
}
/// Perform lang -> script substitution if in T-Dark block
fn tdark_subst(&self, string: String) -> String {
fn tdark_subst(&self, mut string: String) -> String {
if self.tdark {
string.replace("lang", "script")
if let Some(pos) = string.to_lowercase().find("lang") {
let range = pos..pos + 4;
let mut count_upper = 0_u8;
string.replace_range(
range.clone(),
&(string[range]
.chars()
.zip("scri".chars())
.map(|(lc, sc)| {
if lc.is_uppercase() {
count_upper += 1;
sc.to_ascii_uppercase()
} else {
string
sc.to_ascii_lowercase()
}
})
.collect::<String>()
+ match count_upper {
0 | 1 => "pt",
2 if rand::random() => "Pt",
2 => "pT",
_ => "PT",
}),
)
}
}
string
}
}