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问将语音的ASCII表示转换为Unicode字符
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Code Review用户

提问于 2021-06-30 20:45:52

回答 1查看 124关注 0票数 4

这里是一些用于将输入字符串转换为输出字符串的工作代码：

const list = [
  { text: "i~&__", code: "\u14f0", name: 'Nasal German i with extra low tone' },
  { text: "i~&_", code: "\u14e2", name: 'Nasal German i with low tone' },
  { text: "i~&^^", code: "\u14ee", name: 'Nasal German i with extra high tone' },
  { text: "i~&^", code: "\u14ea", name: 'Nasal German i with high tone' },
  { text: "i~&", code: "\u14e6", name: 'Nasal German i' },
  { text: "(i~&__)", code: "\u14f1", name: 'Nasal German i with extra low tone and stress' },
  { text: "(i~&_)", code: "\u14e3", name: 'Nasal German i with low tone and stress' },
  { text: "(i~&^^)", code: "\u14ef", name: 'Nasal German i with extra high tone and stress' },
  { text: "(i~&^)", code: "\u14eb", name: 'Nasal German i with high tone and stress' },
  { text: "(i~&)", code: "\u14e7", name: 'Nasal German i with stress' },

  { text: "i~__", code: "\u14fa", name: 'German i with extra low tone' },
  { text: "i~_", code: "\u0434", name: 'German i with low tone' },
  { text: "i~^^", code: "\u14fe", name: 'German i with extra high tone' },
  { text: "i~^", code: "\u0438", name: 'German i with high tone' },
  { text: "i~", code: "\u0430", name: 'German i' },
  { text: "(i~__)", code: "\u14fb", name: 'German i with extra low tone and stress' },
  { text: "(i~_)", code: "\u0435", name: 'German i with low tone and stress' },
  { text: "(i~^^)", code: "\u14ff", name: 'German i with extra high tone and stress' },
  { text: "(i~^)", code: "\u0439", name: 'German i with high tone and stress' },
  { text: "(i~)", code: "\u0432", name: 'German i with stress' },

  { text: "i+&__", code: "\u1470", name: 'Nasal short i with extra low tone' },
  { text: "i+&_", code: "\u1462", name: 'Nasal short i with low tone' },
  { text: "i+&^^", code: "\u146e", name: 'Nasal short i with extra high tone' },
  { text: "i+&^", code: "\u146a", name: 'Nasal short i with high tone' },
  { text: "i+&", code: "\u1466", name: 'Nasal short i' },
  { text: "(i+&__)", code: "\u1471", name: 'Nasal short i with extra low tone and stress' },
  { text: "(i+&_)", code: "\u1463", name: 'Nasal short i with low tone and stress' },
  { text: "(i+&^^)", code: "\u146f", name: 'Nasal short i with extra high tone and stress' },
  { text: "(i+&^)", code: "\u146b", name: 'Nasal short i with high tone and stress' },
  { text: "(i+&)", code: "\u1467", name: 'Nasal short i with stress' },

  { text: "i+__", code: "\u147a", name: 'Short i with extra low tone' },
  { text: "i+_", code: "\u03d4", name: 'Short i with low tone' },
  { text: "i+^^", code: "\u147e", name: 'Short i with extra high tone' },
  { text: "i+^", code: "\u03d8", name: 'Short i with high tone' },
  { text: "i+", code: "\u03d0", name: 'Short i' },
  { text: "(i+__)", code: "\u147b", name: 'Short i with extra low tone and stress' },
  { text: "(i+_)", code: "\u03d5", name: 'Short i with low tone and stress' },
  { text: "(i+^^)", code: "\u147f", name: 'Short i with extra high tone and stress' },
  { text: "(i+^)", code: "\u03d9", name: 'Short i with high tone and stress' },
  { text: "(i+)", code: "\u03d2", name: 'Short i with stress' },

  { text: "i&__", code: "\u1530", name: 'Nasal i sound with extra low tone' },
  { text: "i&_", code: "\u1522", name: 'Nasal i sound with low tone' },
  { text: "i&^^", code: "\u152e", name: 'Nasal i sound with extra high tone' },
  { text: "i&^", code: "\u152a", name: 'Nasal i sound with high tone' },
  { text: "i&", code: "\u1526", name: 'Nasal i sound' },
  { text: "(i&__)", code: "\u1531", name: 'Nasal i sound with extra low tone and stress' },
  { text: "(i&_)", code: "\u1523", name: 'Nasal i sound with low tone and stress' },
  { text: "(i&^^)", code: "\u152f", name: 'Nasal i sound with extra high tone and stress' },
  { text: "(i&^)", code: "\u152b", name: 'Nasal i sound with high tone and stress' },
  { text: "(i&)", code: "\u1527", name: 'Nasal i sound with stress' },

  { text: "i__", code: "\u153a", name: 'I sound with extra low tone' },
  { text: "i_", code: "\u0474", name: 'I sound with low tone' },
  { text: "i^^", code: "\u153e", name: 'I sound with extra high tone' },
  { text: "i^", code: "\u0478", name: 'I sound with high tone' },
  { text: "i", code: "\u0470", name: 'I sound' },
  { text: "(i__)", code: "\u153b", name: 'I sound with extra low tone and stress' },
  { text: "(i_)", code: "\u0475", name: 'I sound with low tone and stress' },
  { text: "(i^^)", code: "\u153f", name: 'I sound with extra high tone and stress' },
  { text: "(i^)", code: "\u0479", name: 'I sound with high tone and stress' },
  { text: "(i)", code: "\u0472", name: 'I sound with stress' },

  { text: "e~&__", code: "\u1512", name: 'Nasal Danish oe with extra low tone' },
  { text: "e~&_", code: "\u1504", name: 'Nasal Danish oe with low tone' },
  { text: "e~&^^", code: "\u1500", name: 'Nasal Danish oe with extra high tone' },
  { text: "e~&^", code: "\u150c", name: 'Nasal Danish oe with high tone' },
  { text: "e~&", code: "\u1508", name: 'Nasal Danish oe' },
  { text: "(e~&__)", code: "\u1513", name: 'Nasal Danish oe with extra low tone and stress' },
  { text: "(e~&_)", code: "\u1505", name: 'Nasal Danish oe with low tone and stress' },
  { text: "(e~&^^)", code: "\u1501", name: 'Nasal Danish oe with extra high tone and stress' },
  { text: "(e~&^)", code: "\u150d", name: 'Nasal Danish oe with high tone and stress' },
  { text: "(e~&)", code: "\u1509", name: 'Nasal Danish oe with stress' },

  { text: "e~__", code: "\u1518", name: 'Danish oe with extra low tone' },
  { text: "e~_", code: "\u0456", name: 'Danish oe with low tone' },
  { text: "e~^^", code: "\u151c", name: 'Danish oe with extra high tone' },
  { text: "e~^", code: "\u045a", name: 'Danish oe with high tone' },
  { text: "e~", code: "\u0451", name: 'Danish oe' },
  { text: "(e~__)", code: "\u1519", name: 'Danish oe with extra low tone and stress' },
  { text: "(e~_)", code: "\u0457", name: 'Danish oe with low tone and stress' },
  { text: "(e~^^)", code: "\u151d", name: 'Danish oe with extra high tone and stress' },
  { text: "(e~^)", code: "\u045b", name: 'Danish oe with high tone and stress' },
  { text: "(e~)", code: "\u0453", name: 'Danish oe with stress' },

  { text: "e+&__", code: "\u1510", name: 'Nasal short e with extra low tone' },
  { text: "e+&_", code: "\u1502", name: 'Nasal short e with low tone' },
  { text: "e+&^^", code: "\u150e", name: 'Nasal short e with extra high tone' },
  { text: "e+&^", code: "\u150a", name: 'Nasal short e with high tone' },
  { text: "e+&", code: "\u1506", name: 'Nasal short e' },
  { text: "(e+&__)", code: "\u1511", name: 'Nasal short e with extra low tone and stress' },
  { text: "(e+&_)", code: "\u1503", name: 'Nasal short e with low tone and stress' },
  { text: "(e+&^^)", code: "\u150f", name: 'Nasal short e with extra high tone and stress' },
  { text: "(e+&^)", code: "\u150b", name: 'Nasal short e with high tone and stress' },
  { text: "(e+&)", code: "\u1507", name: 'Nasal short e with stress' },

  { text: "e+__", code: "\u151a", name: 'Short e with extra low tone' },
  { text: "e+_", code: "\u0454", name: 'Short e with low tone' },
  { text: "e+^^", code: "\u151e", name: 'Short e with extra high tone' },
  { text: "e+^", code: "\u0458", name: 'Short e with high tone' },
  { text: "e+", code: "\u0450", name: 'Short e' },
  { text: "(e+__)", code: "\u151b", name: 'Short e with extra low tone and stress' },
  { text: "(e+_)", code: "\u0455", name: 'Short e with low tone and stress' },
  { text: "(e+^^)", code: "\u151f", name: 'Short e with extra high tone and stress' },
  { text: "(e+^)", code: "\u0459", name: 'Short e with high tone and stress' },
  { text: "(e+)", code: "\u0452", name: 'Short e with stress' },

  { text: "e&__", code: "\u14d0", name: 'Nasal e sound with extra low tone' },
  { text: "e&_", code: "\u14c2", name: 'Nasal e sound with low tone' },
  { text: "e&^^", code: "\u14ce", name: 'Nasal e sound with extra high tone' },
  { text: "e&^", code: "\u14ca", name: 'Nasal e sound with high tone' },
  { text: "e&", code: "\u14c6", name: 'Nasal e sound' },
  { text: "(e&__)", code: "\u14d1", name: 'Nasal e sound with extra low tone and stress' },
  { text: "(e&_)", code: "\u14c3", name: 'Nasal e sound with low tone and stress' },
  { text: "(e&^^)", code: "\u14cf", name: 'Nasal e sound with extra high tone and stress' },
  { text: "(e&^)", code: "\u14cb", name: 'Nasal e sound with high tone and stress' },
  { text: "(e&)", code: "\u14c7", name: 'Nasal e sound with stress' },

  { text: "e__", code: "\u14da", name: 'E sound with extra low tone' },
  { text: "e_", code: "\u0414", name: 'E sound with low tone' },
  { text: "e^^", code: "\u14de", name: 'E sound with extra high tone' },
  { text: "e^", code: "\u0418", name: 'E sound with high tone' },
  { text: "e", code: "\u0410", name: 'E sound' },
  { text: "(e__)", code: "\u14db", name: 'E sound with extra low tone and stress' },
  { text: "(e_)", code: "\u0415", name: 'E sound with low tone and stress' },
  { text: "(e^^)", code: "\u14df", name: 'E sound with extra high tone and stress' },
  { text: "(e^)", code: "\u0419", name: 'E sound with high tone and stress' },
  { text: "(e)", code: "\u0412", name: 'E sound with stress' },

  { text: "a+~&__", code: "\u1492", name: 'Nasal Danish æ with extra low tone' },
  { text: "a+~&_", code: "\u148e", name: 'Nasal Danish æ with low tone' },
  { text: "a+~&^^", code: "\u148a", name: 'Nasal Danish æ with extra high tone' },
  { text: "a+~&^", code: "\u1486", name: 'Nasal Danish æ with high tone' },
  { text: "a+~&", code: "\u1482", name: 'Nasal Danish æ' },
  { text: "(a+~&__)", code: "\u1493", name: 'Nasal Danish æ with extra low tone and stress' },
  { text: "(a+~&_)", code: "\u148f", name: 'Nasal Danish æ with low tone and stress' },
  { text: "(a+~&^^)", code: "\u148b", name: 'Nasal Danish æ with extra high tone and stress' },
  { text: "(a+~&^)", code: "\u1487", name: 'Nasal Danish æ with high tone and stress' },
  { text: "(a+~&)", code: "\u1483", name: 'Nasal Danish æ with stress' },

  { text: "a+~__", code: "\u1498", name: 'Danish æ with extra low tone' },
  { text: "a+~_", code: "\u03b6", name: 'Danish æ with low tone' },
  { text: "a+~^^", code: "\u149c", name: 'Danish æ with extra high tone' },
  { text: "a+~^", code: "\u03ba", name: 'Danish æ with high tone' },
  { text: "a+~", code: "\u03b1", name: 'Danish æ' },
  { text: "(a+~__)", code: "\u1499", name: 'Danish æ with extra low tone and stress' },
  { text: "(a+~_)", code: "\u03b7", name: 'Danish æ with low tone and stress' },
  { text: "(a+~^^)", code: "\u149d", name: 'Danish æ with extra high tone and stress' },
  { text: "(a+~^)", code: "\u03bb", name: 'Danish æ with high tone and stress' },
  { text: "(a+~)", code: "\u03b3", name: 'Danish æ with stress' },

  { text: "a~&__", code: "\u1592", name: 'Nasal German e sound with extra low tone' },
  { text: "a~&_", code: "\u1584", name: 'Nasal German e sound with low tone' },
  { text: "a~&^^", code: "\u1580", name: 'Nasal German e sound with extra high tone' },
  { text: "a~&^", code: "\u158c", name: 'Nasal German e sound with high tone' },
  { text: "a~&", code: "\u1588", name: 'Nasal German e sound' },
  { text: "(a~&__)", code: "\u1593", name: 'Nasal German e sound with extra low tone and stress' },
  { text: "(a~&_)", code: "\u1585", name: 'Nasal German e sound with low tone and stress' },
  { text: "(a~&^^)", code: "\u1581", name: 'Nasal German e sound with extra high tone and stress' },
  { text: "(a~&^)", code: "\u158d", name: 'Nasal German e sound with high tone and stress' },
  { text: "(a~&)", code: "\u1589", name: 'Nasal German e sound with stress' },

  { text: "a~__", code: "\u1598", name: 'German e sound with extra low tone' },
  { text: "a~_", code: "\u0506", name: 'German e sound with low tone' },
  { text: "a~^^", code: "\u159c", name: 'German e sound with extra high tone' },
  { text: "a~^", code: "\u050a", name: 'German e sound with high tone' },
  { text: "a~", code: "\u0501", name: 'German e sound' },
  { text: "(a~__)", code: "\u1599", name: 'German e sound with extra low tone and stress' },
  { text: "(a~_)", code: "\u0507", name: 'German e sound with low tone and stress' },
  { text: "(a~^^)", code: "\u159d", name: 'German e sound with extra high tone and stress' },
  { text: "(a~^)", code: "\u050b", name: 'German e sound with high tone and stress' },
  { text: "(a~)", code: "\u0503", name: 'German e sound with stress' },

  { text: "a+&__", code: "\u1490", name: 'Nasal short a with extra low tone' },
  { text: "a+&_", code: "\u148c", name: 'Nasal short a with low tone' },
  { text: "a+&^^", code: "\u1488", name: 'Nasal short a with extra high tone' },
  { text: "a+&^", code: "\u1484", name: 'Nasal short a with high tone' },
  { text: "a+&", code: "\u1480", name: 'Nasal short a' },
  { text: "(a+&__)", code: "\u1491", name: 'Nasal short a with extra low tone and stress' },
  { text: "(a+&_)", code: "\u148d", name: 'Nasal short a with low tone and stress' },
  { text: "(a+&^^)", code: "\u1489", name: 'Nasal short a with extra high tone and stress' },
  { text: "(a+&^)", code: "\u1485", name: 'Nasal short a with high tone and stress' },
  { text: "(a+&)", code: "\u1481", name: 'Nasal short a with stress' },

  { text: "a+__", code: "\u149a", name: 'Short a with extra low tone' },
  { text: "a+_", code: "\u03b4", name: 'Short a with low tone' },
  { text: "a+^^", code: "\u149e", name: 'Short a with extra high tone' },
  { text: "a+^", code: "\u03b8", name: 'Short a with high tone' },
  { text: "a+", code: "\u03b0", name: 'Short a' },
  { text: "(a+__)", code: "\u149b", name: 'Short a with extra low tone and stress' },
  { text: "(a+_)", code: "\u03b5", name: 'Short a with low tone and stress' },
  { text: "(a+^^)", code: "\u149f", name: 'Short a with extra high tone and stress' },
  { text: "(a+^)", code: "\u03b9", name: 'Short a with high tone and stress' },
  { text: "(a+)", code: "\u03b2", name: 'Short a with stress' },

  { text: "a&__", code: "\u1590", name: 'Nasal a sound with extra low tone' },
  { text: "a&_", code: "\u1582", name: 'Nasal a sound with low tone' },
  { text: "a&^^", code: "\u158e", name: 'Nasal a sound with extra high tone' },
  { text: "a&^", code: "\u158a", name: 'Nasal a sound with high tone' },
  { text: "a&", code: "\u1586", name: 'Nasal a sound' },
  { text: "(a&__)", code: "\u1591", name: 'Nasal a sound with extra low tone and stress' },
  { text: "(a&_)", code: "\u1583", name: 'Nasal a sound with low tone and stress' },
  { text: "(a&^^)", code: "\u158f", name: 'Nasal a sound with extra high tone and stress' },
  { text: "(a&^)", code: "\u158b", name: 'Nasal a sound with high tone and stress' },
  { text: "(a&)", code: "\u1587", name: 'Nasal a sound with stress' },

  { text: "a__", code: "\u159a", name: 'A sound with extra low tone' },
  { text: "a_", code: "\u0504", name: 'A sound with low tone' },
  { text: "a^^", code: "\u159e", name: 'A sound with extra high tone' },
  { text: "a^", code: "\u0508", name: 'A sound with high tone' },
  { text: "a", code: "\u0500", name: 'A sound' },
  { text: "(a__)", code: "\u159b", name: 'A sound with extra low tone and stress' },
  { text: "(a_)", code: "\u0505", name: 'A sound with low tone and stress' },
  { text: "(a^^)", code: "\u159f", name: 'A sound with extra high tone and stress' },
  { text: "(a^)", code: "\u0509", name: 'A sound with high tone and stress' },
  { text: "(a)", code: "\u0502", name: 'A sound with stress' },

  { text: "o~&__", code: "\u1450", name: 'Nasal German o with extra low tone' },
  { text: "o~&_", code: "\u1442", name: 'Nasal German o with low tone' },
  { text: "o~&^^", code: "\u144e", name: 'Nasal German o with extra high tone' },
  { text: "o~&^", code: "\u144a", name: 'Nasal German o with high tone' },
  { text: "o~&", code: "\u1446", name: 'Nasal German o' },
  { text: "(o~&__)", code: "\u1451", name: 'Nasal German o with extra low tone and stress' },
  { text: "(o~&_)", code: "\u1443", name: 'Nasal German o with low tone and stress' },
  { text: "(o~&^^)", code: "\u144f", name: 'Nasal German o with extra high tone and stress' },
  { text: "(o~&^)", code: "\u144b", name: 'Nasal German o with high tone and stress' },
  { text: "(o~&)", code: "\u1447", name: 'Nasal German o with stress' },

  { text: "o~__", code: "\u145a", name: 'German o with extra low tone' },
  { text: "o~_", code: "\u0394", name: 'German o with low tone' },
  { text: "o~^^", code: "\u145e", name: 'German o with extra high tone' },
  { text: "o~^", code: "\u0398", name: 'German o with high tone' },
  { text: "o~", code: "\u0390", name: 'German o' },
  { text: "(o~__)", code: "\u145b", name: 'German o with extra low tone and stress' },
  { text: "(o~_)", code: "\u0395", name: 'German o with low tone and stress' },
  { text: "(o~^^)", code: "\u145f", name: 'German o with extra high tone and stress' },
  { text: "(o~^)", code: "\u0399", name: 'German o with high tone and stress' },
  { text: "(o~)", code: "\u0392", name: 'German o with stress' },

  { text: "o+&__", code: "\u1550", name: 'Nasal short o with extra low tone' },
  { text: "o+&_", code: "\u1542", name: 'Nasal short o with low tone' },
  { text: "o+&^^", code: "\u154e", name: 'Nasal short o with extra high tone' },
  { text: "o+&^", code: "\u154a", name: 'Nasal short o with high tone' },
  { text: "o+&", code: "\u1546", name: 'Nasal short o' },
  { text: "(o+&__)", code: "\u1551", name: 'Nasal short o with extra low tone and stress' },
  { text: "(o+&_)", code: "\u1543", name: 'Nasal short o with low tone and stress' },
  { text: "(o+&^^)", code: "\u154f", name: 'Nasal short o with extra high tone and stress' },
  { text: "(o+&^)", code: "\u154b", name: 'Nasal short o with high tone and stress' },
  { text: "(o+&)", code: "\u1547", name: 'Nasal short o stress' },

  { text: "o+__", code: "\u155a", name: 'Short o with extra low tone' },
  { text: "o+_", code: "\u04c4", name: 'Short o with low tone' },
  { text: "o+^^", code: "\u155e", name: 'Short o with extra high tone' },
  { text: "o+^", code: "\u04c8", name: 'Short o with high tone' },
  { text: "o+", code: "\u04c0", name: 'Short o' },
  { text: "(o+__)", code: "\u155b", name: 'Short o with extra low tone and stress' },
  { text: "(o+_)", code: "\u04c5", name: 'Short o with low tone and stress' },
  { text: "(o+^^)", code: "\u155f", name: 'Short o with extra high tone and stress' },
  { text: "(o+^)", code: "\u04c9", name: 'Short o with high tone and stress' },
  { text: "(o+)", code: "\u04c2", name: 'Short o stress' },

  { text: "o&__", code: "\u1570", name: 'Nasal o sound with extra low tone' },
  { text: "o&_", code: "\u1562", name: 'Nasal o sound with low tone' },
  { text: "o&^^", code: "\u156e", name: 'Nasal o sound with extra high tone' },
  { text: "o&^", code: "\u156a", name: 'Nasal o sound with high tone' },
  { text: "o&", code: "\u1566", name: 'Nasal o sound' },
  { text: "(o&__)", code: "\u1571", name: 'Nasal o sound with extra low tone and stress' },
  { text: "(o&_)", code: "\u1563", name: 'Nasal o sound with low tone and stress' },
  { text: "(o&^^)", code: "\u156f", name: 'Nasal o sound with extra high tone and stress' },
  { text: "(o&^)", code: "\u156b", name: 'Nasal o sound with high tone and stress' },
  { text: "(o&)", code: "\u1567", name: 'Nasal o sound with stress' },

  { text: "o__", code: "\u157a", name: 'O sound with extra low tone' },
  { text: "o_", code: "\u04e4", name: 'O sound with low tone' },
  { text: "o^^", code: "\u157e", name: 'O sound with extra high tone' },
  { text: "o^", code: "\u04e8", name: 'O sound with high tone' },
  { text: "o", code: "\u04e0", name: 'O sound' },
  { text: "(o__)", code: "\u157b", name: 'O sound with extra low tone and stress' },
  { text: "(o_)", code: "\u04e5", name: 'O sound with low tone and stress' },
  { text: "(o^^)", code: "\u157f", name: 'O sound with extra high tone and stress' },
  { text: "(o^)", code: "\u04e9", name: 'O sound with high tone and stress' },
  { text: "(o)", code: "\u04e2", name: 'O sound with stress' },

  { text: "u+&__", code: "\u15b0", name: 'Nasal short u with extra low tone' },
  { text: "u+&_", code: "\u15a2", name: 'Nasal short u with low tone' },
  { text: "u+&^^", code: "\u15ae", name: 'Nasal short u with extra high tone' },
  { text: "u+&^", code: "\u15aa", name: 'Nasal short u with high tone' },
  { text: "u+&", code: "\u15a6", name: 'Nasal short u' },
  { text: "(u+&__)", code: "\u15b1", name: 'Nasal short u with extra low tone and stress' },
  { text: "(u+&_)", code: "\u15a3", name: 'Nasal short u with low tone and stress' },
  { text: "(u+&^^)", code: "\u15af", name: 'Nasal short u with extra high tone and stress' },
  { text: "(u+&^)", code: "\u15ab", name: 'Nasal short u with high tone and stress' },
  { text: "(u+&)", code: "\u15a7", name: 'Nasal short u with stress' },

  { text: "u+__", code: "\u15ba", name: 'Short u with extra low tone' },
  { text: "u+_", code: "\u04a4", name: 'Short u with low tone' },
  { text: "u+^^", code: "\u15be", name: 'Short u with extra high tone' },
  { text: "u+^", code: "\u04a8", name: 'Short u with high tone' },
  { text: "u+", code: "\u04a0", name: 'Short u' },
  { text: "(u+__)", code: "\u15bb", name: 'Short u with extra low tone and stress' },
  { text: "(u+_)", code: "\u04a5", name: 'Short u with low tone and stress' },
  { text: "(u+^^)", code: "\u15bf", name: 'Short u with extra high tone and stress' },
  { text: "(u+^)", code: "\u04a9", name: 'Short u with high tone and stress' },
  { text: "(u+)", code: "\u04a2", name: 'Short u with stress' },

  { text: "u&__", code: "\u14b0", name: 'Nasal u sound with extra low tone' },
  { text: "u&_", code: "\u14a2", name: 'Nasal u sound with low tone' },
  { text: "u&^^", code: "\u14ae", name: 'Nasal u sound with extra high tone' },
  { text: "u&^", code: "\u14aa", name: 'Nasal u sound with high tone' },
  { text: "u&", code: "\u14a6", name: 'Nasal u sound' },
  { text: "(u&__)", code: "\u14b1", name: 'Nasal u sound with extra low tone and stress' },
  { text: "(u&_)", code: "\u14a3", name: 'Nasal u sound with low tone and stress' },
  { text: "(u&^^)", code: "\u14af", name: 'Nasal u sound with extra high tone and stress' },
  { text: "(u&^)", code: "\u14ab", name: 'Nasal u sound with high tone and stress' },
  { text: "(u&)", code: "\u14a7", name: 'Nasal u sound with stress' },

  { text: "u__", code: "\u14ba", name: 'U sound with extra low tone' },
  { text: "u_", code: "\u03f4", name: 'U sound with low tone' },
  { text: "u^^", code: "\u14be", name: 'U sound with extra high tone' },
  { text: "u^", code: "\u03f8", name: 'U sound with high tone' },
  { text: "u", code: "\u03f0", name: 'U sound' },
  { text: "(u__)", code: "\u14bb", name: 'U sound with extra low tone and stress' },
  { text: "(u_)", code: "\u03f5", name: 'U sound with low tone and stress' },
  { text: "(u^^)", code: "\u14bf", name: 'U sound with extra high tone and stress' },
  { text: "(u^)", code: "\u03f9", name: 'U sound with high tone and stress' },
  { text: "(u)", code: "\u03f2", name: 'U sound with stress' },

  { text: "m+", code: "\u0102", name: 'M sound with nasal quality' },
  { text: "m", code: "\u0100", name: 'M sound' },
  { text: "n+", code: "\u0142", name: 'Indian n sound' },
  { text: "n", code: "\u0140", name: 'N sound' },
  { text: "q", code: "\u0160", name: 'Ng sound' },
  { text: "g?", code: "\u0138", name: 'Implosive g sound' },
  { text: "g.", code: "\u135a", name: 'Stop g sound' },
  { text: "g@", code: "\u1357", name: 'Tense g sound' },
  { text: "g", code: "\u0130", name: 'G sound' },
  { text: "'", code: "\u01b0", name: 'Lack of sound, glottal stop' },
  { text: "\"", code: "\u01b2", name: 'Arabic voiced pharyngeal fricative' },
  { text: "d~", code: "\u00d1", name: 'Arabic d sound' },
  { text: "d!", code: "\u006c", name: 'Ejective d sound' },
  { text: "d?", code: "\u0068", name: 'Implosive d sound' },
  { text: "d*", code: "\u0064", name: 'Click d sound' },
  { text: "d+", code: "\u0062", name: 'Indian d sound' },
  { text: "d.", code: "\u123a", name: 'Stop d sound' },
  { text: "d@", code: "\u1237", name: 'Tense d sound' },
  { text: "d", code: "\u0060", name: 'D sound' },
  { text: "b?", code: "\u0048", name: 'Implosive b sound' },
  { text: "b!", code: "\u004c", name: 'Ejective b sound' },
  { text: "b.", code: "\u121a", name: 'Stop b sound' },
  { text: "b@", code: "\u1217", name: 'Tense b sound' },
  { text: "b", code: "\u0040", name: 'B sound' },
  { text: "p!", code: "\u0038", name: 'Ejective p sound' },
  { text: "p*", code: "\u0034", name: 'Click p sound' },
  { text: "p.", code: "\u120a", name: 'Stop p sound' },
  { text: "p@", code: "\u1207", name: 'Tense p sound' },
  { text: "p", code: "\u0030", name: 'P sound' },
  { text: "t+", code: "\u00d2", name: 'Indian t sound' },
  { text: "t!", code: "\u00dc", name: 'Ejective t sound' },
  { text: "t~", code: "\u00d1", name: 'Arabic t sound' },
  { text: "t*", code: "\u00d4", name: 'Click t sound' },
  { text: "t.", code: "\u129a", name: 'Stop t sound' },
  { text: "t@", code: "\u1297", name: 'Tense t sound' },
  { text: "t", code: "\u00d0", name: 'T sound' },
  { text: "k!", code: "\u0058", name: 'Ejective k sound' },
  { text: "k*", code: "\u0054", name: 'Click k sound' },
  { text: "k+", code: "\u0052", name: 'Arabic Q sound' },
  { text: "k+!", code: "\u0059", name: 'Arabic ejective Q sound' },
  { text: "k.", code: "\u122a", name: 'Stop k sound' },
  { text: "k@", code: "\u1227", name: 'Tense k sound' },
  { text: "k", code: "\u0050", name: 'K sound' },
  { text: "h+", code: "\u0122", name: 'Hebrew harsh h sound' },
  { text: "h~", code: "\u0121", name: 'Arabic h sound' },
  { text: "h", code: "\u0120", name: 'H sound' },
  { text: "j+", code: "\u0152", name: 'Indian j sound' },
  { text: "j", code: "\u0150", name: 'J sound' },
  { text: "s+", code: "\u0072", name: 'Navajo s sound' },
  { text: "s~", code: "\u0071", name: 'Arabic s sound' },
  { text: "s.", code: "\u124a", name: 'Stop s sound' },
  { text: "s@", code: "\u1247", name: 'Tense s sound' },
  { text: "s", code: "\u0070", name: 'S sound' },
  { text: "f+", code: "\u00c2", name: 'Labial f sound' },
  { text: "f", code: "\u00c0", name: 'f sound' },
  { text: "v+", code: "\u00f2", name: 'Labial v sound' },
  { text: "v~", code: "\u00f1", name: 'Other v sound' },
  { text: "v", code: "\u00f0", name: 'V sound' },
  { text: "z+", code: "\u0092", name: 'Zulu dl sound' },
  { text: "z", code: "\u0090", name: 'Z sound' },
  { text: "c+~", code: "\u00b2", name: 'Arabic voiced th sound' },
  { text: "c+", code: "\u00b0", name: 'Voiced th sound' },
  { text: "c", code: "\u0080", name: 'Unvoiced th sound' },
  { text: "l+", code: "\u0172", name: 'Indian l sound' },
  { text: "l*", code: "\u0174", name: 'Click l sound' },
  { text: "l~", code: "\u0171", name: 'Arabic l sound' },
  { text: "l", code: "\u0170", name: 'L sound' },
  { text: "r~", code: "\u01a2", name: 'French r sound' },
  { text: "r+", code: "\u00e2", name: 'Indian r sound' },
  { text: "r!", code: "\u00e0", name: 'Single rolling r sound' },
  { text: "r", code: "\u01a0", name: 'English r sound' },
  { text: "x+", code: "\u0192", name: 'Indian sh sound' },
  { text: "x.", code: "\u141a", name: 'Stop sh sound' },
  { text: "x@", code: "\u1417", name: 'Tense sh sound' },
  { text: "x", code: "\u0190", name: 'Sh sound' },
  { text: "w", code: "\u0110", name: 'W sound' },
  { text: "y", code: "\u0180", name: 'Y sound' },
  { text: "y+", code: "\u0182", name: 'Slight y sound' },
  { text: " ", code: "\u0020", name: 'Hanakana Space' },
  { text: ".", code: "\u0021", name: 'Hanakana Period' },
  { text: ",", code: "\u0024", name: 'Hanakana comma' },
  { text: "(", code: "\u0023", name: 'Hanakana opening parenthesis' },
  { text: ")", code: "\u002b", name: 'Hanakana closing parenthesis' },
  { text: "[", code: "\u0026", name: 'Hanakana opening bracket' },
  { text: "]", code: "\u0027", name: 'Hanakana closing bracket' },
  { text: "|", code: "\u0025", name: 'Hanakana pipe' },
  { text: "#", code: "\u0028", name: 'Hanakana at sign' },
  { text: "/", code: "\u0029", name: 'Hanakana forward slash' },
  { text: "\\", code: "\u002a", name: 'Hanakana backward slash' },
  { text: ":", code: "\u0022", name: 'Hanakana colon' }
]

const look = {}
list.forEach(({ text }) => {
  look[text] = '^' + text.replace(/[\(\)\*\!\?\^\+\_\.\[\]\|\\\/]/g, _ => `\\${_}`)
})

const form = text => {
  let remaining = text.replace(/([A-Z])/g, (_, $1) => `${$1.toLowerCase()}+`)
  let output = []
  a:
  while (remaining.length) {
    for (let node of list) {
      const pattern = look[node.text]
      const regex = new RegExp(pattern)
      const match = remaining.match(regex)
      if (match) {
        const val = node.code
        output.push(val)
        remaining = remaining.substr(match[0].length)
        continue a
      }
    }
    throw new Error(`${remaining}:${text}`)
  }
  return output.join('')
}

console.log(form('asdf'))
console.log(form('helloworld'))

考虑到我想在这个list对象中指定模式，我如何编译它们和/或优化将输入转换为输出的主form函数？也许会变成什么小把戏？

javascript

performance

parsing

回答 1

Code Review用户

发布于 2021-06-30 23:23:52

简化

的一种方法

据我所知，您的每个RegExps都只是查看字符串的开头，以获得特定的确切内容--在这一点上，您可能不需要match，而是startsWith，而且您可能不想编译直接查找的字符串，而您可能不想编译RegExps。

在我看来，您可以完全摆脱look，重写for循环，如下所示：

for (let node of list) {
    if (remaining.startsWith(node.text)) {
        output.push(node.code);
        remaining = remaining.substr(node.text.length);
        continue a;
    }
}

在我看来，这似乎更清楚，也意味着您不需要担心regexp元字符的杂乱转义。它似乎也在很大程度上提高了性能，尽管我还没有对其进行非常彻底的测试。

来点什么？

正如您在评论中提到的，一种非常自然的方法可能是使用trie。可能已经有更好的写得更好、性能更好的trie实现，但是一个写得很好的性能良好的执行不需要比这更复杂。

const trie_insert = (trie, key, value) => {
  if ( ! key ) {
    trie.value = value;
    return;
  }
  if ( trie[key[0]] === undefined ) {
    trie[key[0]] = {};
  }
  trie_insert(trie[key[0]], key.substr(1), value);
}


const trie_match = (trie, str) => {
  let current_trie = trie;
  
  let current_depth = 0;
  let last_value = undefined;
  let depth_of_last_match = undefined;
    
  while (current_trie && current_depth <= str.length) {
    if (current_trie.value !== undefined) {
      last_value = current_trie.value;
      depth_of_last_match = current_depth;
    }

    current_trie = current_trie[str[current_depth]];
    current_depth++;
  }
  
  if (last_value === undefined) {
    throw new Error(`No match for "${key}"`);
  }

  return {
    length: depth_of_last_match,
    value: last_value
  };
}

那么form就可以简单到如下所示：

const form = text => {
  let remaining = text.replace(/([A-Z])/g, (_, $1) => `${$1.toLowerCase()}+`);
  let output = [];
  
  while (remaining) {
    let match = trie_match(lookup, remaining);
    output.push(match.value);
    remaining = remaining.substr(match.length);
  }

  return output.join("");
}

这种方法还有一个额外的好处，就是不关心list的顺序--它可能会影响一开始构建trie所需的时间，但结果的正确性不应该受到影响--与原始方法或startsWith方法不同，如果t+和t检查的顺序被意外切换，这两种方法都可能会出现错误行为。

在我有限的测试中，这个扩展比startsWith方法要好得多，下一个方法也是这样：

另一个regexp替代

正如Toby在评论中提到的那样，使用RegExp可能是一种选择--但是只使用一个而不是几个就可以了。取决于运行时对其进行优化的程度，这可能执行得很好--或者可能不会。不过，它应该值得一试，看看它是如何进行的。

要做到这一点，一个简单的方法可以是规避所有的模式，就像您在最初的文章中一样，但是不是将每个模式转换成自己的RegExp，而是将它们连接到一个--也许有点像

const patterns = [];
const lookup = {};

list.forEach((node) => {
  patterns.push(node.text.replace(/[\(\)\*\!\?\^\+\_\.\[\]\|\\\/]/g, _ => `\\${_}`));
  lookup[node.text] = node.code;
});

const full_pattern = new RegExp("^(" + patterns.join("|") + ")");

const form = text => {
  let remaining = text.replace(/([A-Z])/g, (_, $1) => `${$1.toLowerCase()}+`);
  let output = [];
  
  while (remaining) {
    const match = remaining.match(full_pattern);
    if (match) {
      output.push(lookup[match[0]]);
      remaining = remaining.substr(match[0].length);
    } else {
      throw new Error(`${remaining}:${text}`);
    }
  }

  return output.join("");
}

这个简单的实现确实关心list的顺序(i~&|i~|i和i|i~|i~&的行为不同)，这使得它的鲁棒性略低于trie，尽管它可以说更简单，可以弥补这一点。就性能而言，它似乎比trie稍微慢一些，但是可能有一些方法来改进regex方法的实现并改变它。

票数 5

页面原文内容由Code Review提供。腾讯云小微IT领域专用引擎提供翻译支持

原文链接：

https://codereview.stackexchange.com/questions/263643

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