MD5 校验值：5b5c91fb96bf669521c42e375c79f86c
yp.java 文件包含反编译后的源代码，请注意，该内容仅供学习和参考使用，不得用于非法用途。
package o;
import android.util.Log;
import com.bumptech.glide.load.ImageHeaderParser;
import java.io.IOException;
import java.io.InputStream;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.nio.charset.Charset;
public final class yp implements ImageHeaderParser {
public static final byte[] a = "Exif\u0000\u0000".getBytes(Charset.forName("UTF-8"));
public static final int[] b = {0, 1, 1, 2, 4, 8, 1, 1, 2, 4, 8, 4, 8};
public static final class a implements c {
public final ByteBuffer a;
public a(ByteBuffer byteBuffer) {
this.a = byteBuffer;
byteBuffer.order(ByteOrder.BIG_ENDIAN);
}
@Override
public int a(byte[] bArr, int i) {
int min = Math.min(i, this.a.remaining());
if (min == 0) {
return -1;
}
this.a.get(bArr, 0, min);
return min;
}
@Override
public long b(long j) {
int min = (int) Math.min(this.a.remaining(), j);
ByteBuffer byteBuffer = this.a;
byteBuffer.position(byteBuffer.position() + min);
return min;
}
@Override
public short c() {
if (this.a.remaining() >= 1) {
return (short) (this.a.get() & 255);
}
throw new c.a();
}
@Override
public void citrus() {
}
@Override
public int d() {
return (c() << 8) | c();
}
}
public static final class b {
public final ByteBuffer a;
public b(byte[] bArr, int i) {
this.a = (ByteBuffer) ByteBuffer.wrap(bArr).order(ByteOrder.BIG_ENDIAN).limit(i);
}
public short a(int i) {
if (c(i, 2)) {
return this.a.getShort(i);
}
return (short) -1;
}
public int b(int i) {
if (c(i, 4)) {
return this.a.getInt(i);
}
return -1;
}
public final boolean c(int i, int i2) {
return this.a.remaining() - i >= i2;
}
public void citrus() {
}
public int d() {
return this.a.remaining();
}
public void e(ByteOrder byteOrder) {
this.a.order(byteOrder);
}
}
public interface c {
public static final class a extends IOException {
public a() {
super("Unexpectedly reached end of a file");
}
}
int a(byte[] bArr, int i);
long b(long j);
short c();
default void citrus() {
}
int d();
}
public static final class d implements c {
public final InputStream a;
public d(InputStream inputStream) {
this.a = inputStream;
}
@Override
public int a(byte[] bArr, int i) {
int i2 = 0;
int i3 = 0;
while (i2 < i && (i3 = this.a.read(bArr, i2, i - i2)) != -1) {
i2 += i3;
}
if (i2 == 0 && i3 == -1) {
throw new c.a();
}
return i2;
}
@Override
public long b(long j) {
if (j < 0) {
return 0L;
}
long j2 = j;
while (j2 > 0) {
long skip = this.a.skip(j2);
if (skip <= 0) {
if (this.a.read() == -1) {
break;
}
skip = 1;
}
j2 -= skip;
}
return j - j2;
}
@Override
public short c() {
int read = this.a.read();
if (read != -1) {
return (short) read;
}
throw new c.a();
}
@Override
public void citrus() {
}
@Override
public int d() {
return (c() << 8) | c();
}
}
public static int d(int i, int i2) {
return i + 2 + (i2 * 12);
}
public static boolean g(int i) {
return (i & 65496) == 65496 || i == 19789 || i == 18761;
}
public static int j(b bVar) {
ByteOrder byteOrder;
short a2 = bVar.a(6);
if (a2 != 18761) {
if (a2 != 19789) {
if (Log.isLoggable("DfltImageHeaderParser", 3)) {
Log.d("DfltImageHeaderParser", "Unknown endianness = " + ((int) a2));
}
byteOrder = ByteOrder.BIG_ENDIAN;
} else {
byteOrder = ByteOrder.BIG_ENDIAN;
}
} else {
byteOrder = ByteOrder.LITTLE_ENDIAN;
}
bVar.e(byteOrder);
int b2 = bVar.b(10) + 6;
short a3 = bVar.a(b2);
for (int i = 0; i < a3; i++) {
int d2 = d(b2, i);
short a4 = bVar.a(d2);
if (a4 == 274) {
short a5 = bVar.a(d2 + 2);
if (a5 >= 1 && a5 <= 12) {
int b3 = bVar.b(d2 + 4);
if (b3 < 0) {
if (Log.isLoggable("DfltImageHeaderParser", 3)) {
Log.d("DfltImageHeaderParser", "Negative tiff component count");
}
} else {
if (Log.isLoggable("DfltImageHeaderParser", 3)) {
Log.d("DfltImageHeaderParser", "Got tagIndex=" + i + " tagType=" + ((int) a4) + " formatCode=" + ((int) a5) + " componentCount=" + b3);
}
int i2 = b3 + b[a5];
if (i2 > 4) {
if (Log.isLoggable("DfltImageHeaderParser", 3)) {
Log.d("DfltImageHeaderParser", "Got byte count > 4, not orientation, continuing, formatCode=" + ((int) a5));
}
} else {
int i3 = d2 + 8;
if (i3 >= 0 && i3 <= bVar.d()) {
if (i2 >= 0 && i2 + i3 <= bVar.d()) {
return bVar.a(i3);
}
if (Log.isLoggable("DfltImageHeaderParser", 3)) {
Log.d("DfltImageHeaderParser", "Illegal number of bytes for TI tag data tagType=" + ((int) a4));
}
} else if (Log.isLoggable("DfltImageHeaderParser", 3)) {
Log.d("DfltImageHeaderParser", "Illegal tagValueOffset=" + i3 + " tagType=" + ((int) a4));
}
}
}
} else if (Log.isLoggable("DfltImageHeaderParser", 3)) {
Log.d("DfltImageHeaderParser", "Got invalid format code = " + ((int) a5));
}
}
}
return -1;
}
@Override
public ImageHeaderParser.ImageType a(ByteBuffer byteBuffer) {
return f(new a((ByteBuffer) zt0.d(byteBuffer)));
}
@Override
public int b(InputStream inputStream, d7 d7Var) {
return e(new d((InputStream) zt0.d(inputStream)), (d7) zt0.d(d7Var));
}
@Override
public ImageHeaderParser.ImageType c(InputStream inputStream) {
return f(new d((InputStream) zt0.d(inputStream)));
}
@Override
public void citrus() {
}
public final int e(c cVar, d7 d7Var) {
try {
int d2 = cVar.d();
if (!g(d2)) {
if (Log.isLoggable("DfltImageHeaderParser", 3)) {
Log.d("DfltImageHeaderParser", "Parser doesn't handle magic number: " + d2);
}
return -1;
}
int i = i(cVar);
if (i == -1) {
if (Log.isLoggable("DfltImageHeaderParser", 3)) {
Log.d("DfltImageHeaderParser", "Failed to parse exif segment length, or exif segment not found");
}
return -1;
}
byte[] bArr = (byte[]) d7Var.e(i, byte[].class);
try {
return k(cVar, bArr, i);
} finally {
d7Var.d(bArr);
}
} catch (c.a unused) {
return -1;
}
}
public final ImageHeaderParser.ImageType f(c cVar) {
try {
int d2 = cVar.d();
if (d2 == 65496) {
return ImageHeaderParser.ImageType.JPEG;
}
int c2 = (d2 << 8) | cVar.c();
if (c2 == 4671814) {
return ImageHeaderParser.ImageType.GIF;
}
int c3 = (c2 << 8) | cVar.c();
if (c3 == -1991225785) {
cVar.b(21L);
try {
if (cVar.c() >= 3) {
return ImageHeaderParser.ImageType.PNG_A;
}
return ImageHeaderParser.ImageType.PNG;
} catch (c.a unused) {
return ImageHeaderParser.ImageType.PNG;
}
}
if (c3 != 1380533830) {
return ImageHeaderParser.ImageType.UNKNOWN;
}
cVar.b(4L);
if (((cVar.d() << 16) | cVar.d()) != 1464156752) {
return ImageHeaderParser.ImageType.UNKNOWN;
}
int d3 = (cVar.d() << 16) | cVar.d();
if ((d3 & (-256)) != 1448097792) {
return ImageHeaderParser.ImageType.UNKNOWN;
}
int i = d3 & 255;
if (i == 88) {
cVar.b(4L);
if ((cVar.c() & 16) != 0) {
return ImageHeaderParser.ImageType.WEBP_A;
}
return ImageHeaderParser.ImageType.WEBP;
}
if (i == 76) {
cVar.b(4L);
if ((cVar.c() & 8) != 0) {
return ImageHeaderParser.ImageType.WEBP_A;
}
return ImageHeaderParser.ImageType.WEBP;
}
return ImageHeaderParser.ImageType.WEBP;
} catch (c.a unused2) {
return ImageHeaderParser.ImageType.UNKNOWN;
}
}
public final boolean h(byte[] bArr, int i) {
boolean z = bArr != null && i > a.length;
if (z) {
int i2 = 0;
while (true) {
byte[] bArr2 = a;
if (i2 >= bArr2.length) {
break;
}
if (bArr[i2] != bArr2[i2]) {
return false;
}
i2++;
}
}
return z;
}
public final int i(c cVar) {
short c2;
int d2;
long j;
long b2;
do {
short c3 = cVar.c();
if (c3 != 255) {
if (Log.isLoggable("DfltImageHeaderParser", 3)) {
Log.d("DfltImageHeaderParser", "Unknown segmentId=" + ((int) c3));
}
return -1;
}
c2 = cVar.c();
if (c2 == 218) {
return -1;
}
if (c2 == 217) {
if (Log.isLoggable("DfltImageHeaderParser", 3)) {
Log.d("DfltImageHeaderParser", "Found MARKER_EOI in exif segment");
}
return -1;
}
d2 = cVar.d() - 2;
if (c2 != 225) {
j = d2;
b2 = cVar.b(j);
} else {
return d2;
}
} while (b2 == j);
if (Log.isLoggable("DfltImageHeaderParser", 3)) {
Log.d("DfltImageHeaderParser", "Unable to skip enough data, type: " + ((int) c2) + ", wanted to skip: " + d2 + ", but actually skipped: " + b2);
}
return -1;
}
public final int k(c cVar, byte[] bArr, int i) {
int a2 = cVar.a(bArr, i);
if (a2 != i) {
if (Log.isLoggable("DfltImageHeaderParser", 3)) {
Log.d("DfltImageHeaderParser", "Unable to read exif segment data, length: " + i + ", actually read: " + a2);
}
return -1;
}
if (h(bArr, i)) {
return j(new b(bArr, i));
}
if (Log.isLoggable("DfltImageHeaderParser", 3)) {
Log.d("DfltImageHeaderParser", "Missing jpeg exif preamble");
}
return -1;
}
}