310 lines
12 KiB
Java
310 lines
12 KiB
Java
package androidx.emoji2.text.flatbuffer;
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import androidx.emoji2.text.flatbuffer.Utf8;
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import java.nio.ByteBuffer;
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/* loaded from: classes.dex */
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public final class Utf8Safe extends Utf8 {
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private static int computeEncodedLength(CharSequence charSequence) {
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int length = charSequence.length();
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int i = 0;
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while (i < length && charSequence.charAt(i) < 128) {
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i++;
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}
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int i2 = length;
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while (true) {
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if (i < length) {
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char charAt = charSequence.charAt(i);
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if (charAt >= 2048) {
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i2 += encodedLengthGeneral(charSequence, i);
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break;
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}
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i2 += (127 - charAt) >>> 31;
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i++;
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} else {
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break;
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}
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}
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if (i2 >= length) {
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return i2;
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}
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throw new IllegalArgumentException("UTF-8 length does not fit in int: " + (i2 + 4294967296L));
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}
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private static int encodedLengthGeneral(CharSequence charSequence, int i) {
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int length = charSequence.length();
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int i2 = 0;
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while (i < length) {
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char charAt = charSequence.charAt(i);
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if (charAt < 2048) {
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i2 += (127 - charAt) >>> 31;
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} else {
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i2 += 2;
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if (55296 <= charAt && charAt <= 57343) {
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if (Character.codePointAt(charSequence, i) < 65536) {
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throw new UnpairedSurrogateException(i, length);
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}
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i++;
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}
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}
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i++;
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}
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return i2;
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}
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public static String decodeUtf8Array(byte[] bArr, int i, int i2) {
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if ((i | i2 | ((bArr.length - i) - i2)) < 0) {
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throw new ArrayIndexOutOfBoundsException(String.format("buffer length=%d, index=%d, size=%d", Integer.valueOf(bArr.length), Integer.valueOf(i), Integer.valueOf(i2)));
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}
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int i3 = i + i2;
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char[] cArr = new char[i2];
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int i4 = 0;
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while (i < i3) {
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byte b = bArr[i];
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if (!Utf8.DecodeUtil.isOneByte(b)) {
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break;
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}
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i++;
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Utf8.DecodeUtil.handleOneByte(b, cArr, i4);
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i4++;
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}
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int i5 = i4;
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while (i < i3) {
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int i6 = i + 1;
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byte b2 = bArr[i];
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if (Utf8.DecodeUtil.isOneByte(b2)) {
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int i7 = i5 + 1;
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Utf8.DecodeUtil.handleOneByte(b2, cArr, i5);
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while (i6 < i3) {
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byte b3 = bArr[i6];
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if (!Utf8.DecodeUtil.isOneByte(b3)) {
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break;
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}
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i6++;
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Utf8.DecodeUtil.handleOneByte(b3, cArr, i7);
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i7++;
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}
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i5 = i7;
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i = i6;
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} else if (Utf8.DecodeUtil.isTwoBytes(b2)) {
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if (i6 >= i3) {
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throw new IllegalArgumentException("Invalid UTF-8");
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}
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i += 2;
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Utf8.DecodeUtil.handleTwoBytes(b2, bArr[i6], cArr, i5);
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i5++;
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} else if (Utf8.DecodeUtil.isThreeBytes(b2)) {
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if (i6 >= i3 - 1) {
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throw new IllegalArgumentException("Invalid UTF-8");
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}
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int i8 = i + 2;
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i += 3;
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Utf8.DecodeUtil.handleThreeBytes(b2, bArr[i6], bArr[i8], cArr, i5);
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i5++;
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} else {
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if (i6 >= i3 - 2) {
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throw new IllegalArgumentException("Invalid UTF-8");
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}
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byte b4 = bArr[i6];
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int i9 = i + 3;
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byte b5 = bArr[i + 2];
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i += 4;
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Utf8.DecodeUtil.handleFourBytes(b2, b4, b5, bArr[i9], cArr, i5);
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i5 += 2;
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}
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}
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return new String(cArr, 0, i5);
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}
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public static String decodeUtf8Buffer(ByteBuffer byteBuffer, int i, int i2) {
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if ((i | i2 | ((byteBuffer.limit() - i) - i2)) < 0) {
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throw new ArrayIndexOutOfBoundsException(String.format("buffer limit=%d, index=%d, limit=%d", Integer.valueOf(byteBuffer.limit()), Integer.valueOf(i), Integer.valueOf(i2)));
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}
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int i3 = i + i2;
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char[] cArr = new char[i2];
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int i4 = 0;
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while (i < i3) {
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byte b = byteBuffer.get(i);
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if (!Utf8.DecodeUtil.isOneByte(b)) {
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break;
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}
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i++;
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Utf8.DecodeUtil.handleOneByte(b, cArr, i4);
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i4++;
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}
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int i5 = i4;
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while (i < i3) {
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int i6 = i + 1;
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byte b2 = byteBuffer.get(i);
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if (Utf8.DecodeUtil.isOneByte(b2)) {
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int i7 = i5 + 1;
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Utf8.DecodeUtil.handleOneByte(b2, cArr, i5);
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while (i6 < i3) {
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byte b3 = byteBuffer.get(i6);
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if (!Utf8.DecodeUtil.isOneByte(b3)) {
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break;
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}
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i6++;
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Utf8.DecodeUtil.handleOneByte(b3, cArr, i7);
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i7++;
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}
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i5 = i7;
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i = i6;
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} else if (Utf8.DecodeUtil.isTwoBytes(b2)) {
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if (i6 >= i3) {
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throw new IllegalArgumentException("Invalid UTF-8");
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}
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i += 2;
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Utf8.DecodeUtil.handleTwoBytes(b2, byteBuffer.get(i6), cArr, i5);
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i5++;
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} else if (Utf8.DecodeUtil.isThreeBytes(b2)) {
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if (i6 >= i3 - 1) {
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throw new IllegalArgumentException("Invalid UTF-8");
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}
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int i8 = i + 2;
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i += 3;
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Utf8.DecodeUtil.handleThreeBytes(b2, byteBuffer.get(i6), byteBuffer.get(i8), cArr, i5);
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i5++;
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} else {
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if (i6 >= i3 - 2) {
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throw new IllegalArgumentException("Invalid UTF-8");
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}
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byte b4 = byteBuffer.get(i6);
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int i9 = i + 3;
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byte b5 = byteBuffer.get(i + 2);
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i += 4;
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Utf8.DecodeUtil.handleFourBytes(b2, b4, b5, byteBuffer.get(i9), cArr, i5);
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i5 += 2;
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}
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}
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return new String(cArr, 0, i5);
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}
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@Override // androidx.emoji2.text.flatbuffer.Utf8
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public int encodedLength(CharSequence charSequence) {
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return computeEncodedLength(charSequence);
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}
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@Override // androidx.emoji2.text.flatbuffer.Utf8
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public String decodeUtf8(ByteBuffer byteBuffer, int i, int i2) throws IllegalArgumentException {
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if (byteBuffer.hasArray()) {
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return decodeUtf8Array(byteBuffer.array(), byteBuffer.arrayOffset() + i, i2);
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}
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return decodeUtf8Buffer(byteBuffer, i, i2);
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}
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private static void encodeUtf8Buffer(CharSequence charSequence, ByteBuffer byteBuffer) {
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int length = charSequence.length();
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int position = byteBuffer.position();
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int i = 0;
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while (i < length) {
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try {
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char charAt = charSequence.charAt(i);
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if (charAt >= 128) {
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break;
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}
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byteBuffer.put(position + i, (byte) charAt);
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i++;
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} catch (IndexOutOfBoundsException unused) {
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throw new ArrayIndexOutOfBoundsException("Failed writing " + charSequence.charAt(i) + " at index " + (byteBuffer.position() + Math.max(i, (position - byteBuffer.position()) + 1)));
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}
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}
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if (i == length) {
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byteBuffer.position(position + i);
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return;
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}
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position += i;
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while (i < length) {
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char charAt2 = charSequence.charAt(i);
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if (charAt2 < 128) {
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byteBuffer.put(position, (byte) charAt2);
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} else if (charAt2 < 2048) {
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int i2 = position + 1;
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try {
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byteBuffer.put(position, (byte) ((charAt2 >>> 6) | 192));
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byteBuffer.put(i2, (byte) ((charAt2 & '?') | 128));
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position = i2;
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} catch (IndexOutOfBoundsException unused2) {
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position = i2;
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throw new ArrayIndexOutOfBoundsException("Failed writing " + charSequence.charAt(i) + " at index " + (byteBuffer.position() + Math.max(i, (position - byteBuffer.position()) + 1)));
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}
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} else if (charAt2 < 55296 || 57343 < charAt2) {
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int i3 = position + 1;
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byteBuffer.put(position, (byte) ((charAt2 >>> '\f') | 224));
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position += 2;
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byteBuffer.put(i3, (byte) (((charAt2 >>> 6) & 63) | 128));
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byteBuffer.put(position, (byte) ((charAt2 & '?') | 128));
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} else {
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int i4 = i + 1;
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if (i4 != length) {
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try {
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char charAt3 = charSequence.charAt(i4);
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if (Character.isSurrogatePair(charAt2, charAt3)) {
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int codePoint = Character.toCodePoint(charAt2, charAt3);
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int i5 = position + 1;
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try {
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byteBuffer.put(position, (byte) ((codePoint >>> 18) | 240));
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int i6 = position + 2;
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try {
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byteBuffer.put(i5, (byte) (((codePoint >>> 12) & 63) | 128));
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position += 3;
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byteBuffer.put(i6, (byte) (((codePoint >>> 6) & 63) | 128));
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byteBuffer.put(position, (byte) ((codePoint & 63) | 128));
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i = i4;
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} catch (IndexOutOfBoundsException unused3) {
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i = i4;
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position = i6;
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throw new ArrayIndexOutOfBoundsException("Failed writing " + charSequence.charAt(i) + " at index " + (byteBuffer.position() + Math.max(i, (position - byteBuffer.position()) + 1)));
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}
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} catch (IndexOutOfBoundsException unused4) {
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position = i5;
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i = i4;
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throw new ArrayIndexOutOfBoundsException("Failed writing " + charSequence.charAt(i) + " at index " + (byteBuffer.position() + Math.max(i, (position - byteBuffer.position()) + 1)));
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}
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} else {
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i = i4;
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}
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} catch (IndexOutOfBoundsException unused5) {
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}
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}
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throw new UnpairedSurrogateException(i, length);
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}
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i++;
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position++;
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}
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byteBuffer.position(position);
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}
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/* JADX WARN: Code restructure failed: missing block: B:12:0x001d, code lost:
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return r9 + r0;
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*/
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/*
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Code decompiled incorrectly, please refer to instructions dump.
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To view partially-correct add '--show-bad-code' argument
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*/
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private static int encodeUtf8Array(java.lang.CharSequence r7, byte[] r8, int r9, int r10) {
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/*
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Method dump skipped, instructions count: 251
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To view this dump add '--comments-level debug' option
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*/
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throw new UnsupportedOperationException("Method not decompiled: androidx.emoji2.text.flatbuffer.Utf8Safe.encodeUtf8Array(java.lang.CharSequence, byte[], int, int):int");
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}
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@Override // androidx.emoji2.text.flatbuffer.Utf8
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public void encodeUtf8(CharSequence charSequence, ByteBuffer byteBuffer) {
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if (byteBuffer.hasArray()) {
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int arrayOffset = byteBuffer.arrayOffset();
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byteBuffer.position(encodeUtf8Array(charSequence, byteBuffer.array(), byteBuffer.position() + arrayOffset, byteBuffer.remaining()) - arrayOffset);
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} else {
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encodeUtf8Buffer(charSequence, byteBuffer);
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}
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}
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static class UnpairedSurrogateException extends IllegalArgumentException {
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UnpairedSurrogateException(int i, int i2) {
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super("Unpaired surrogate at index " + i + " of " + i2);
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}
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}
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}
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