zzg.smali

.class public final Lcom/google/android/gms/internal/firebase_messaging/zzg;
.super Ljava/lang/Object;
.source "com.google.firebase:firebase-messaging@@21.0.1"


# static fields
.field private static final zza:Ljava/io/OutputStream;


# direct methods
.method static constructor <clinit>()V
    .registers 1

    new-instance v0, Lcom/google/android/gms/internal/firebase_messaging/zze;

    .line 1
    invoke-direct {v0}, Lcom/google/android/gms/internal/firebase_messaging/zze;-><init>()V

    sput-object v0, Lcom/google/android/gms/internal/firebase_messaging/zzg;->zza:Ljava/io/OutputStream;

    return-void
.end method

.method public static zza(Ljava/io/InputStream;)[B
    .registers 9
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/io/IOException;
        }
    .end annotation

    new-instance v0, Ljava/util/ArrayDeque;

    const/16 v1, 0x14

    .line 1
    invoke-direct {v0, v1}, Ljava/util/ArrayDeque;-><init>(I)V

    const/4 v1, 0x0

    const/16 v2, 0x2000

    const/4 v2, 0x0

    const/16 v3, 0x2000

    :goto_d
    const/4 v4, -0x1

    const v5, 0x7ffffff7

    if-ge v2, v5, :cond_4b

    sub-int/2addr v5, v2

    .line 2
    invoke-static {v3, v5}, Ljava/lang/Math;->min(II)I

    move-result v5

    new-array v5, v5, [B

    .line 3
    invoke-interface {v0, v5}, Ljava/util/Queue;->add(Ljava/lang/Object;)Z

    move v6, v2

    const/4 v2, 0x0

    :goto_1f
    array-length v7, v5

    if-ge v2, v7, :cond_31

    sub-int/2addr v7, v2

    .line 4
    invoke-virtual {p0, v5, v2, v7}, Ljava/io/InputStream;->read([BII)I

    move-result v7

    if-ne v7, v4, :cond_2e

    .line 5
    invoke-static {v0, v6}, Lcom/google/android/gms/internal/firebase_messaging/zzg;->zzc(Ljava/util/Queue;I)[B

    move-result-object p0

    goto :goto_55

    :cond_2e
    add-int/2addr v2, v7

    add-int/2addr v6, v7

    goto :goto_1f

    :cond_31
    int-to-long v2, v3

    add-long/2addr v2, v2

    const-wide/32 v4, 0x7fffffff

    cmp-long v7, v2, v4

    if-lez v7, :cond_3f

    const v3, 0x7fffffff

    :goto_3d
    move v2, v6

    goto :goto_d

    :cond_3f
    const-wide/32 v4, -0x80000000

    cmp-long v7, v2, v4

    if-gez v7, :cond_49

    const/high16 v3, -0x80000000

    goto :goto_3d

    :cond_49
    long-to-int v3, v2

    goto :goto_3d

    .line 6
    :cond_4b
    invoke-virtual {p0}, Ljava/io/InputStream;->read()I

    move-result p0

    if-ne p0, v4, :cond_56

    .line 7
    invoke-static {v0, v5}, Lcom/google/android/gms/internal/firebase_messaging/zzg;->zzc(Ljava/util/Queue;I)[B

    move-result-object p0

    :goto_55
    return-object p0

    .line 8
    :cond_56
    new-instance p0, Ljava/lang/OutOfMemoryError;

    const-string v0, "input is too large to fit in a byte array"

    .line 9
    invoke-direct {p0, v0}, Ljava/lang/OutOfMemoryError;-><init>(Ljava/lang/String;)V

    goto :goto_5f

    :goto_5e
    throw p0

    :goto_5f
    goto :goto_5e
.end method

.method public static zzb(Ljava/io/InputStream;J)Ljava/io/InputStream;
    .registers 5

    new-instance p1, Lcom/google/android/gms/internal/firebase_messaging/zzf;

    const-wide/32 v0, 0x100001

    .line 1
    invoke-direct {p1, p0, v0, v1}, Lcom/google/android/gms/internal/firebase_messaging/zzf;-><init>(Ljava/io/InputStream;J)V

    return-object p1
.end method

.method private static zzc(Ljava/util/Queue;I)[B
    .registers 8
    .annotation system Ldalvik/annotation/Signature;
        value = {
            "(",
            "Ljava/util/Queue<",
            "[B>;I)[B"
        }
    .end annotation

    .line 1
    new-array v0, p1, [B

    move v1, p1

    :goto_3
    if-lez v1, :cond_18

    .line 2
    invoke-interface {p0}, Ljava/util/Queue;->remove()Ljava/lang/Object;

    move-result-object v2

    check-cast v2, [B

    .line 3
    array-length v3, v2

    invoke-static {v1, v3}, Ljava/lang/Math;->min(II)I

    move-result v3

    const/4 v4, 0x0

    sub-int v5, p1, v1

    .line 4
    invoke-static {v2, v4, v0, v5, v3}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V

    sub-int/2addr v1, v3

    goto :goto_3

    :cond_18
    return-object v0
.end method