60 lines
2 KiB
Dart
60 lines
2 KiB
Dart
const List<String> connectWords = [
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'a', 'an', 'the', // Articles
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'about', 'above', 'across', 'after', 'against', 'along', 'amid', 'among',
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'around', 'as', 'at', 'before', 'behind', 'below', 'beneath', 'beside',
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'between', 'beyond', 'by', 'concerning', 'considering', 'despite', 'down',
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'during', 'except', 'for', 'from', 'in', 'inside', 'into', 'like', 'near',
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'of', 'off', 'on', 'onto', 'out', 'outside', 'over', 'past', 'regarding',
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'round', 'since', 'through', 'to', 'toward', 'under', 'underneath', 'until',
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'unto', 'up', 'upon', 'with', 'within', 'without', // Prepositions
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'and', 'as', 'because', 'but', 'for', 'if', 'nor', 'or', 'since', 'so',
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'that', 'though', 'unless', 'until', 'when', 'whenever', 'where', 'whereas',
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'wherever', 'while', 'yet', // Conjunctions
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'i', 'you', 'he', 'she', 'it', 'we', 'they', 'me', 'him', 'her', 'us', 'them',
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'my', 'your', 'his', 'its', 'our', 'their', 'mine', 'yours', 'hers', 'ours',
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'theirs', 'who', 'whom', 'whose', 'which', 'what', // Pronouns
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'am', 'is', 'are', 'was', 'were', 'be', 'being', 'been', 'have', 'has', 'had',
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'do', 'does', 'did', 'will', 'would', 'shall', 'should', 'can', 'could',
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'may', 'might', 'must', // Auxiliary Verbs
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];
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extension StringExtensionsNullSafe on String? {
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int get sumAsciiValues {
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if (this == null) {
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return -1;
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}
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int sum = 0;
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for (int i = 0; i < this!.length; i++) {
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sum += this!.codeUnitAt(i);
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}
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return sum;
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}
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}
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extension DescriptionString on String? {
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bool get isAllConnectWords {
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if (this == null) {
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throw AssertionError("String cannot be null");
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}
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final subDescWords = this!.split(" ");
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return subDescWords.every(
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(subDescWord) => connectWords.any(
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(connectWord) => subDescWord.toLowerCase() == connectWord,
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),
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);
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}
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bool get isLastWordConnectWord {
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if (this == null) {
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throw AssertionError("String cannot be null");
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}
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final subDescWords = this!.split(" ");
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return connectWords
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.any((element) => element == subDescWords.last.toLowerCase());
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}
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}
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