kopia lustrzana https://github.com/ryukoposting/Signal-Android
rodzic
57e233413a
commit
b3086e595f
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@ -1,9 +1,14 @@
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package org.thoughtcrime.securesms.util
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import android.text.TextUtils
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import org.signal.core.util.CharacterIterable
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import java.util.regex.Pattern
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object NameUtil {
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/**
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* \p{L} is letter, \p{Nd} is digit, \p{S} is whitespace/separator
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* https://www.regular-expressions.info/unicode.html#category
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*/
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private val PATTERN = Pattern.compile("[^\\p{L}\\p{Nd}\\p{S}]+")
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/**
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@ -11,24 +16,20 @@ object NameUtil {
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*/
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@JvmStatic
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fun getAbbreviation(name: String): String? {
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val parts = name.split(" ").toTypedArray()
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val builder = StringBuilder()
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var count = 0
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var i = 0
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val parts = name
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.split(" ")
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.map { it.trim() }
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.map { PATTERN.matcher(it).replaceFirst("") }
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.filter { it.isNotEmpty() }
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while (i < parts.size && count < 2) {
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val cleaned = PATTERN.matcher(parts[i]).replaceFirst("")
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if (!TextUtils.isEmpty(cleaned)) {
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builder.appendCodePoint(cleaned.codePointAt(0))
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count++
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}
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i++
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}
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return if (builder.isEmpty()) {
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null
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} else {
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builder.toString()
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return when {
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parts.isEmpty() -> null
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parts.size == 1 -> parts[0].firstGrapheme()
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else -> "${parts[0].firstGrapheme()}${parts[1].firstGrapheme()}"
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}
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}
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private fun String.firstGrapheme(): String {
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return CharacterIterable(this).first()
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}
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}
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@ -0,0 +1,39 @@
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package org.thoughtcrime.securesms.util
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import android.app.Application
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import org.junit.Assert.assertEquals
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import org.junit.Test
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import org.junit.runner.RunWith
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import org.robolectric.ParameterizedRobolectricTestRunner
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import org.robolectric.annotation.Config
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@RunWith(value = ParameterizedRobolectricTestRunner::class)
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@Config(manifest = Config.NONE, application = Application::class)
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class NameUtil_getAbbreviation(
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private val name: String,
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private val expected: String?
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) {
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@Test
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fun test_getAbbreviation() {
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val actual: String? = NameUtil.getAbbreviation(name)
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assertEquals(expected, actual)
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}
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companion object {
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@JvmStatic
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@ParameterizedRobolectricTestRunner.Parameters(name = "{index}: getAbbreviation({0})={1}")
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fun params() = listOf(
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arrayOf("Gwen Stacy", "GS"),
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arrayOf("Gwen", "G"),
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arrayOf("gwen stacy", "gs"),
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arrayOf("Mary Jane Watson", "MJ"),
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arrayOf("Mary-Jane Watson", "MW"),
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arrayOf("αlpha Ωmega", "αΩ"),
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arrayOf("љabc ђ123", "љђ"),
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// Works on device, but for whatever reason doesn't work in robolectric
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// arrayOf("Bob \uD83C\uDDE8\uD83C\uDDFF", "B\uD83C\uDDE8\uD83C\uDDFF"),
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arrayOf("", null),
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)
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}
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}
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