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Migrate AndroidUnicodeUtils to Kotlin (#43929)
Summary: Pull Request resolved: https://github.com/facebook/react-native/pull/43929 Migrate AndroidUnicodeUtils to Kotlin Changelog: [Internal] [Changed] - Migrate AndroidUnicodeUtils to Kotlin Reviewed By: tdn120 Differential Revision: D55804037 fbshipit-source-id: 932fd08e3d826ddf131c74f8b4722732cd9ac46a
This commit is contained in:
Nicola Corti
committed by
Facebook GitHub Bot
Facebook GitHub Bot
parent
2aef4418ea
commit
47a00f97d8
-84
@@ -1,84 +0,0 @@
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/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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package com.facebook.hermes.unicode;
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import com.facebook.infer.annotation.Nullsafe;
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import com.facebook.proguard.annotations.DoNotStrip;
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import java.text.Collator;
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import java.text.DateFormat;
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import java.text.Normalizer;
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import java.util.Locale;
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// TODO: use com.facebook.common.locale.Locales.getApplicationLocale() as the current locale,
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// rather than the device locale. This is challenging because getApplicationLocale() is only
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// available via DI.
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@Nullsafe(Nullsafe.Mode.LOCAL)
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@DoNotStrip
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public class AndroidUnicodeUtils {
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@DoNotStrip
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public static int localeCompare(String left, String right) {
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Collator collator = Collator.getInstance();
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return collator.compare(left, right);
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}
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@DoNotStrip
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public static String dateFormat(double unixtimeMs, boolean formatDate, boolean formatTime) {
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DateFormat format;
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if (formatDate && formatTime) {
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format = DateFormat.getDateTimeInstance(DateFormat.MEDIUM, DateFormat.MEDIUM);
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} else if (formatDate) {
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format = DateFormat.getDateInstance(DateFormat.MEDIUM);
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} else if (formatTime) {
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format = DateFormat.getTimeInstance(DateFormat.MEDIUM);
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} else {
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throw new RuntimeException("Bad dateFormat configuration");
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}
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return format.format((long) unixtimeMs).toString();
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}
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@DoNotStrip
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public static String convertToCase(String input, int targetCase, boolean useCurrentLocale) {
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// These values must match CaseConversion in PlatformUnicode.h
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final int targetUppercase = 0;
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final int targetLowercase = 1;
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// Note Java's case conversions use the user's locale. For example "I".toLowerCase()
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// will produce a dotless i. From Java's docs: "To obtain correct results for locale
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// insensitive strings, use toLowerCase(Locale.ENGLISH)."
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Locale locale = useCurrentLocale ? Locale.getDefault() : Locale.ENGLISH;
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switch (targetCase) {
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case targetLowercase:
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return input.toLowerCase(locale);
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case targetUppercase:
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return input.toUpperCase(locale);
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default:
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throw new RuntimeException("Invalid target case");
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}
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}
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@DoNotStrip
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public static String normalize(String input, int form) {
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// Values must match NormalizationForm in PlatformUnicode.h.
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final int formC = 0;
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final int formD = 1;
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final int formKC = 2;
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final int formKD = 3;
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switch (form) {
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case formC:
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return Normalizer.normalize(input, Normalizer.Form.NFC);
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case formD:
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return Normalizer.normalize(input, Normalizer.Form.NFD);
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case formKC:
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return Normalizer.normalize(input, Normalizer.Form.NFKC);
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case formKD:
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return Normalizer.normalize(input, Normalizer.Form.NFKD);
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default:
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throw new RuntimeException("Invalid form");
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}
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}
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}
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+73
@@ -0,0 +1,73 @@
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/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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package com.facebook.hermes.unicode
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import com.facebook.proguard.annotations.DoNotStrip
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import java.text.Collator
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import java.text.DateFormat
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import java.text.Normalizer
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import java.util.Locale
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// TODO: use com.facebook.common.locale.Locales.getApplicationLocale() as the current locale,
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// rather than the device locale. This is challenging because getApplicationLocale() is only
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// available via DI.
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@DoNotStrip
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public object AndroidUnicodeUtils {
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@DoNotStrip
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public fun localeCompare(left: String?, right: String?): Int {
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val collator = Collator.getInstance()
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return collator.compare(left, right)
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}
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@DoNotStrip
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public fun dateFormat(unixtimeMs: Double, formatDate: Boolean, formatTime: Boolean): String {
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val format =
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when {
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formatDate && formatTime ->
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DateFormat.getDateTimeInstance(DateFormat.MEDIUM, DateFormat.MEDIUM)
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formatDate -> DateFormat.getDateInstance(DateFormat.MEDIUM)
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formatTime -> DateFormat.getTimeInstance(DateFormat.MEDIUM)
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else -> error("Bad dateFormat configuration")
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}
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return format.format(unixtimeMs.toLong()).toString()
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}
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@DoNotStrip
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public fun convertToCase(input: String, targetCase: Int, useCurrentLocale: Boolean): String {
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// Note Java's case conversions use the user's locale. For example "I".toLowerCase()
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// will produce a dotless i. From Java's docs: "To obtain correct results for locale
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// insensitive strings, use toLowerCase(Locale.ENGLISH)."
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val locale = if (useCurrentLocale) Locale.getDefault() else Locale.ENGLISH
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return when (targetCase) {
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TARGET_LOWERCASE -> input.lowercase(locale)
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TARGET_UPPERCASE -> input.uppercase(locale)
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else -> error("Invalid target case")
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}
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}
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@DoNotStrip
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public fun normalize(input: String?, form: Int): String =
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when (form) {
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FORM_C -> Normalizer.normalize(input, Normalizer.Form.NFC)
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FORM_D -> Normalizer.normalize(input, Normalizer.Form.NFD)
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FORM_KC -> Normalizer.normalize(input, Normalizer.Form.NFKC)
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FORM_KD -> Normalizer.normalize(input, Normalizer.Form.NFKD)
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else -> error("Invalid form")
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}
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// These values must match CaseConversion in PlatformUnicode.h
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private const val TARGET_UPPERCASE = 0
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private const val TARGET_LOWERCASE = 1
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// Values must match NormalizationForm in PlatformUnicode.h.
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private const val FORM_C = 0
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private const val FORM_D = 1
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private const val FORM_KC = 2
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private const val FORM_KD = 3
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}
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