alexandroid/decompiled/jadx/sources/androidx/emoji2/text/flatbuffer/Utf8Old.java

package androidx.emoji2.text.flatbuffer;

import com.google.common.math.Stats$$ExternalSyntheticLambda0;
import java.nio.ByteBuffer;
import java.nio.CharBuffer;
import java.nio.charset.CharacterCodingException;
import java.nio.charset.Charset;
import java.nio.charset.CharsetDecoder;
import java.nio.charset.CharsetEncoder;
import java.nio.charset.CoderResult;
import java.nio.charset.StandardCharsets;
import rx.Single$$ExternalSyntheticBUOutline0;

/* compiled from: r8-map-id-b9432e0f623b4a4bff4ba50a8a24c4aafad2c1e11092747b9fb5e6a22af5a940 */
/* loaded from: classes14.dex */
public class Utf8Old extends Utf8 {
    private static final ThreadLocal<Cache> CACHE = ThreadLocal.withInitial(new Stats$$ExternalSyntheticLambda0(1));

    /* compiled from: r8-map-id-b9432e0f623b4a4bff4ba50a8a24c4aafad2c1e11092747b9fb5e6a22af5a940 */
    public static class Cache {
        final CharsetDecoder decoder;
        final CharsetEncoder encoder;
        CharSequence lastInput = null;
        ByteBuffer lastOutput = null;

        public Cache() {
            Charset charset = StandardCharsets.UTF_8;
            this.encoder = charset.newEncoder();
            this.decoder = charset.newDecoder();
        }
    }

    /* JADX INFO: Access modifiers changed from: private */
    public static /* synthetic */ Cache lambda$static$0() {
        return new Cache();
    }

    @Override // androidx.emoji2.text.flatbuffer.Utf8
    public String decodeUtf8(ByteBuffer byteBuffer, int i, int i2) {
        CharsetDecoder charsetDecoder = CACHE.get().decoder;
        charsetDecoder.reset();
        ByteBuffer duplicate = byteBuffer.duplicate();
        duplicate.position(i);
        duplicate.limit(i + i2);
        try {
            return charsetDecoder.decode(duplicate).toString();
        } catch (CharacterCodingException e) {
            Single$$ExternalSyntheticBUOutline0.m("Bad encoding", e);
            return null;
        }
    }

    @Override // androidx.emoji2.text.flatbuffer.Utf8
    public void encodeUtf8(CharSequence charSequence, ByteBuffer byteBuffer) {
        Cache cache = CACHE.get();
        if (cache.lastInput != charSequence) {
            encodedLength(charSequence);
        }
        byteBuffer.put(cache.lastOutput);
    }

    @Override // androidx.emoji2.text.flatbuffer.Utf8
    public int encodedLength(CharSequence charSequence) {
        Cache cache = CACHE.get();
        int maxBytesPerChar = (int) (cache.encoder.maxBytesPerChar() * charSequence.length());
        ByteBuffer byteBuffer = cache.lastOutput;
        if (byteBuffer == null || byteBuffer.capacity() < maxBytesPerChar) {
            cache.lastOutput = ByteBuffer.allocate(Math.max(128, maxBytesPerChar));
        }
        cache.lastOutput.clear();
        cache.lastInput = charSequence;
        CoderResult encode = cache.encoder.encode(charSequence instanceof CharBuffer ? (CharBuffer) charSequence : CharBuffer.wrap(charSequence), cache.lastOutput, true);
        if (encode.isError()) {
            try {
                encode.throwException();
            } catch (CharacterCodingException e) {
                Single$$ExternalSyntheticBUOutline0.m("bad character encoding", e);
                return 0;
            }
        }
        cache.lastOutput.flip();
        return cache.lastOutput.remaining();
    }
}