marvinelsen/chinese-transliteration
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Add method to test whether a string is a valid pinyin with tone number syllable
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This commit is contained in:
Marvin Elsen 2024-09-20 12:51:31 +02:00
parent 18cb0cd0c8
commit e897dd3c82
Signed by: marvinelsen
GPG Key ID: 820672408CC318C2
1 changed files with 4 additions and 1 deletions
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src/main/kotlin/com/marvinelsen/chinese/transliteration/Syllable.kt
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@ -13,6 +13,9 @@ data class Syllable(
private val zhuyinToPinyin = pinyinToZhuyin.entries.associate { it.value to it.key }
private val zhuyinToneMarkRegex = """[ˊˇˋ˙]""".toRegex()
fun isValidPinyinWithToneNumberSyllable(pinyinSyllable: String) =
pinyinSyllable.last().isDigit() && pinyinSyllable.last().digitToInt() in 1..5 && pinyinSyllable.lowercase() in pinyinToZhuyin
fun fromPinyinWithToneNumber(pinyinWithToneNumber: String): Syllable {
val pinyinWithoutNumber = pinyinWithToneNumber.substring(0, pinyinWithToneNumber.lastIndex)
val lastCharacter = pinyinWithToneNumber.last()
@ -42,7 +45,7 @@ data class Syllable(
return Syllable(
zhuyinToPinyin[zhuyinWithoutToneMark]!!,
Tone.fromZhuyinToneMarkOrNull(zhuyin.last()) ?: Tone.fromZhuyinToneMarkOrNull(zhuyin.first())
?: Tone.FIRST
?: Tone.FIRST
)
}