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Fixes #6

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Pretty ugly workaround, there's likely a safer alternative.
This commit is contained in:
Bradlee Speice
2018-06-29 22:50:39 -04:00
parent 73a7acad85
commit 41d8b99be9
2 changed files with 26 additions and 2 deletions
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17
src/lib.rs
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@ -1218,6 +1218,21 @@ impl Parser {
let len_l = tokens.len();
let mut hms_idx = None;
// There's a super weird edge case that can happen
// because Python safely handles negative array indices,
// and Rust (because of usize) does not.
let idx_minus_two = if idx == 1 && len_l > 0 {
len_l - 1
} else if idx == 0 && len_l > 1 {
len_l - 2
} else if idx > 1 {
idx - 2
} else if len_l == 0{
panic!("Attempting to find_hms_index() wih no tokens.");
} else {
0
};
if idx + 1 < len_l && info.get_hms(&tokens[idx + 1]).is_some() {
hms_idx = Some(idx + 1)
} else if allow_jump && idx + 2 < len_l && tokens[idx + 1] == " "
@ -1227,7 +1242,7 @@ impl Parser {
} else if idx > 0 && info.get_hms(&tokens[idx - 1]).is_some() {
hms_idx = Some(idx - 1)
} else if len_l > 0 && idx > 0 && idx == len_l - 1 && tokens[idx - 1] == " "
&& info.get_hms(&tokens[idx - 2]).is_some()
&& info.get_hms(&tokens[idx_minus_two]).is_some()
{
hms_idx = Some(idx - 2)
}