mirror of https://github.com/YTVanced/VancedMicroG
105 lines
3.0 KiB
Java
105 lines
3.0 KiB
Java
package com.google.android.gms.common.safeparcel;
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import android.os.IBinder;
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import android.os.Parcel;
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import android.os.Parcelable;
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public class SafeReader {
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public static int halfOf(int i) {
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return i & 0xFFFF;
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}
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public static int readSingleInt(Parcel parcel) {
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return parcel.readInt();
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}
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private static int readStart(Parcel parcel, int first) {
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if ((first & 0xFFFF0000) != -65536)
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return first >> 16 & 0xFFFF;
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return parcel.readInt();
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}
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private static void readStart(Parcel parcel, int position, int length) {
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int i = readStart(parcel, position);
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if (i != length)
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throw new ReadException("Expected size " + length + " got " + i + " (0x" + Integer.toHexString(i) + ")", parcel);
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}
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public static int readStart(Parcel parcel) {
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int first = readSingleInt(parcel);
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int length = readStart(parcel, first);
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int start = parcel.dataPosition();
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if (halfOf(first) != SafeParcelable.SAFE_PARCEL_MAGIC)
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throw new ReadException("Expected object header. Got 0x" + Integer.toHexString(first), parcel);
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int end = start + length;
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if ((end < start) || (end > parcel.dataSize()))
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throw new ReadException("Size read is invalid start=" + start + " end=" + end, parcel);
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return end;
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}
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public static int readInt(Parcel parcel, int position) {
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readStart(parcel, position, 4);
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return parcel.readInt();
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}
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public static byte readByte(Parcel parcel, int position) {
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readStart(parcel, position, 4);
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return (byte) parcel.readInt();
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}
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public static short readShort(Parcel parcel, int position) {
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readStart(parcel, position, 4);
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return (short) parcel.readInt();
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}
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public static boolean readBool(Parcel parcel, int position) {
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readStart(parcel, position, 4);
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return parcel.readInt() != 0;
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}
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public static long readLong(Parcel parcel, int position) {
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readStart(parcel, position, 8);
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return parcel.readLong();
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}
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public static float readFloat(Parcel parcel, int position) {
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readStart(parcel, position, 4);
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return parcel.readFloat();
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}
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public static double readDouble(Parcel parcel, int position) {
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readStart(parcel, position, 8);
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return parcel.readDouble();
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}
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public static IBinder readBinder(Parcel parcel, int position) {
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int length = readStart(parcel, position);
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int start = parcel.dataPosition();
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if (length == 0)
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return null;
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IBinder binder = parcel.readStrongBinder();
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parcel.setDataPosition(start + length);
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return binder;
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}
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public static <T extends Parcelable> T readParcelable(Parcel parcel, int position, Parcelable.Creator<T> creator) {
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int length = readStart(parcel, position);
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int start = parcel.dataPosition();
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if (length == 0)
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return null;
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T t = creator.createFromParcel(parcel);
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parcel.setDataPosition(start + length);
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return t;
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}
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public static void skip(Parcel parcel, int position) {
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int i = readStart(parcel, position);
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parcel.setDataPosition(parcel.dataPosition() + i);
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}
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public static class ReadException extends RuntimeException {
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public ReadException(String message, Parcel parcel) {
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super(message);
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}
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}
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}
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