16 lines
613 B
Dart
16 lines
613 B
Dart
|
/// What a search for a meaning matches in [gloss], lower case: the gloss
|
||
|
|
/// without its remarks in brackets, and without a leading "to" or article
|
||
|
|
/// too (`to eat` gives `to eat` and `eat`; `the sun (in the sky)` gives
|
||
|
|
/// `the sun` and `sun`). Empty for a gloss of remarks only.
|
||
|
|
List<String> glossKeys(String gloss) {
|
||
|
|
final plain = gloss
|
||
|
|
.toLowerCase()
|
||
|
|
.replaceAll(RegExp(r'\([^)]*\)'), ' ')
|
||
|
|
.replaceAll(RegExp(r'\s+'), ' ')
|
||
|
|
.trim();
|
||
|
|
if (plain.isEmpty) {
|
||
|
|
return const [];
|
||
|
|
}
|
||
|
|
final bare = plain.replaceFirst(RegExp('^(to|a|an|the) '), '');
|
||
|
|
return {plain, bare}.toList();
|
||
|
|
}
|