ADD week 5

2025-03-31 16:33:42 +02:00
parent 86f265f22d
commit bf645048e6
4927 changed files with 544053 additions and 0 deletions
--- a/02-Easy5/E5/sources/androidx/emoji2/text/flatbuffer/Utf8Old.java
+++ b/02-Easy5/E5/sources/androidx/emoji2/text/flatbuffer/Utf8Old.java
@@ -0,0 +1,85 @@
+package androidx.emoji2.text.flatbuffer;
+
+import java.nio.ByteBuffer;
+import java.nio.CharBuffer;
+import java.nio.charset.CharacterCodingException;
+import java.nio.charset.CharsetDecoder;
+import java.nio.charset.CharsetEncoder;
+import java.nio.charset.CoderResult;
+import java.nio.charset.StandardCharsets;
+import java.util.function.Supplier;
+
+/* loaded from: classes.dex */
+public class Utf8Old extends Utf8 {
+    private static final ThreadLocal<Cache> CACHE;
+
+    /* JADX INFO: Access modifiers changed from: private */
+    static class Cache {
+        CharSequence lastInput = null;
+        ByteBuffer lastOutput = null;
+        final CharsetEncoder encoder = StandardCharsets.UTF_8.newEncoder();
+        final CharsetDecoder decoder = StandardCharsets.UTF_8.newDecoder();
+
+        Cache() {
+        }
+    }
+
+    static {
+        ThreadLocal<Cache> withInitial;
+        withInitial = ThreadLocal.withInitial(new Supplier() { // from class: androidx.emoji2.text.flatbuffer.Utf8Old$$ExternalSyntheticLambda1
+            @Override // java.util.function.Supplier
+            public final Object get() {
+                return Utf8Old.lambda$static$0();
+            }
+        });
+        CACHE = withInitial;
+    }
+
+    static /* synthetic */ Cache lambda$static$0() {
+        return new Cache();
+    }
+
+    @Override // androidx.emoji2.text.flatbuffer.Utf8
+    public int encodedLength(CharSequence charSequence) {
+        Cache cache = CACHE.get();
+        int length = (int) (charSequence.length() * cache.encoder.maxBytesPerChar());
+        if (cache.lastOutput == null || cache.lastOutput.capacity() < length) {
+            cache.lastOutput = ByteBuffer.allocate(Math.max(128, length));
+        }
+        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) {
+                throw new IllegalArgumentException("bad character encoding", e);
+            }
+        }
+        cache.lastOutput.flip();
+        return cache.lastOutput.remaining();
+    }
+
+    @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 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) {
+            throw new IllegalArgumentException("Bad encoding", e);
+        }
+    }
+}