package o;

import com.google.common.primitives.UnsignedBytes;
import java.io.IOException;
import java.io.InputStream;

/* loaded from: classes.dex */
public final class mVl {
    private String a;
    public int c;
    public byte[] e;

    public mVl(int i) {
        this.a = null;
        this.e = new byte[i];
        this.c = 0;
    }

    public mVl(byte[] bArr) {
        this.a = null;
        this.e = bArr;
        this.c = bArr.length;
    }

    public mVl(InputStream inputStream) throws IOException {
        this.a = null;
        this.c = 0;
        this.e = new byte[16384];
        while (true) {
            int read = inputStream.read(this.e, this.c, 16384);
            if (read <= 0) {
                return;
            }
            int i = this.c + read;
            this.c = i;
            if (read != 16384) {
                return;
            } else {
                e(i + 16384);
            }
        }
    }

    public mVl(byte[] bArr, int i, int i2) {
        this.a = null;
        if (i2 > bArr.length - i) {
            throw new ArrayIndexOutOfBoundsException("Valid length exceeds the buffer length.");
        }
        byte[] bArr2 = new byte[i2];
        this.e = bArr2;
        System.arraycopy(bArr, i, bArr2, 0, i2);
        this.c = i2;
    }

    public final void b(byte[] bArr, int i) {
        e(this.c + i);
        System.arraycopy(bArr, 0, this.e, this.c, i);
        this.c += i;
    }

    public final String b() {
        String str;
        if (this.a == null) {
            int i = this.c;
            if (i < 2) {
                this.a = "UTF-8";
            } else {
                byte[] bArr = this.e;
                byte b = bArr[0];
                if (b == 0) {
                    if (i < 4 || bArr[1] != 0) {
                        str = "UTF-16BE";
                    } else if ((bArr[2] & UnsignedBytes.MAX_VALUE) == 254 && (bArr[3] & UnsignedBytes.MAX_VALUE) == 255) {
                        str = "UTF-32BE";
                    } else {
                        this.a = "UTF-32";
                    }
                    this.a = str;
                } else {
                    int i2 = b & UnsignedBytes.MAX_VALUE;
                    if (i2 < 128) {
                        if (bArr[1] != 0) {
                            this.a = "UTF-8";
                        } else {
                            this.a = (i < 4 || bArr[2] != 0) ? "UTF-16LE" : "UTF-32LE";
                        }
                    } else if (i2 == 239) {
                        this.a = "UTF-8";
                    } else if (i2 == 254 || i < 4 || bArr[2] != 0) {
                        this.a = "UTF-16";
                    } else {
                        this.a = "UTF-32";
                    }
                }
            }
        }
        return this.a;
    }

    /* JADX INFO: Access modifiers changed from: package-private */
    public final void e(int i) {
        byte[] bArr = this.e;
        if (i > bArr.length) {
            byte[] bArr2 = new byte[bArr.length << 1];
            this.e = bArr2;
            System.arraycopy(bArr, 0, bArr2, 0, bArr.length);
        }
    }
}