.class final Lcom/google/common/io/BaseEncoding$Alphabet;
.super Ljava/lang/Object;
.source "BaseEncoding.java"


# annotations
.annotation system Ldalvik/annotation/EnclosingClass;
    value = Lcom/google/common/io/BaseEncoding;
.end annotation

.annotation system Ldalvik/annotation/InnerClass;
    accessFlags = 0x1a
    name = "Alphabet"
.end annotation


# instance fields
.field final bitsPerChar:I

.field final bytesPerChunk:I

.field private final chars:[C

.field final charsPerChunk:I

.field private final decodabet:[B

.field final mask:I

.field private final name:Ljava/lang/String;

.field private final validPadding:[Z


# direct methods
.method constructor <init>(Ljava/lang/String;[C)V
    .locals 8

    .line 432
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    .line 433
    invoke-static {p1}, Lcom/google/common/base/Preconditions;->checkNotNull(Ljava/lang/Object;)Ljava/lang/Object;

    move-result-object p1

    check-cast p1, Ljava/lang/String;

    iput-object p1, p0, Lcom/google/common/io/BaseEncoding$Alphabet;->name:Ljava/lang/String;

    .line 434
    invoke-static {p2}, Lcom/google/common/base/Preconditions;->checkNotNull(Ljava/lang/Object;)Ljava/lang/Object;

    move-result-object p1

    check-cast p1, [C

    iput-object p1, p0, Lcom/google/common/io/BaseEncoding$Alphabet;->chars:[C

    .line 436
    :try_start_0
    array-length p1, p2

    sget-object v0, Ljava/math/RoundingMode;->UNNECESSARY:Ljava/math/RoundingMode;

    invoke-static {p1, v0}, Lcom/google/common/math/IntMath;->log2(ILjava/math/RoundingMode;)I

    move-result p1

    iput p1, p0, Lcom/google/common/io/BaseEncoding$Alphabet;->bitsPerChar:I
    :try_end_0
    .catch Ljava/lang/ArithmeticException; {:try_start_0 .. :try_end_0} :catch_1

    .line 445
    invoke-static {p1}, Ljava/lang/Integer;->lowestOneBit(I)I

    move-result v0

    const/16 v1, 0x8

    invoke-static {v1, v0}, Ljava/lang/Math;->min(II)I

    move-result v0

    .line 447
    :try_start_1
    div-int/2addr v1, v0

    iput v1, p0, Lcom/google/common/io/BaseEncoding$Alphabet;->charsPerChunk:I

    .line 448
    div-int/2addr p1, v0

    iput p1, p0, Lcom/google/common/io/BaseEncoding$Alphabet;->bytesPerChunk:I
    :try_end_1
    .catch Ljava/lang/ArithmeticException; {:try_start_1 .. :try_end_1} :catch_0

    .line 453
    array-length p1, p2

    const/4 v0, 0x1

    sub-int/2addr p1, v0

    iput p1, p0, Lcom/google/common/io/BaseEncoding$Alphabet;->mask:I

    const/16 p1, 0x80

    new-array v1, p1, [B

    const/4 v2, -0x1

    .line 456
    invoke-static {v1, v2}, Ljava/util/Arrays;->fill([BB)V

    const/4 v3, 0x0

    move v4, v3

    .line 457
    :goto_0
    array-length v5, p2

    if-ge v4, v5, :cond_2

    .line 458
    aget-char v5, p2, v4

    if-ge v5, p1, :cond_0

    move v6, v0

    goto :goto_1

    :cond_0
    move v6, v3

    :goto_1
    const-string v7, "Non-ASCII character: %s"

    .line 459
    invoke-static {v6, v7, v5}, Lcom/google/common/base/Preconditions;->checkArgument(ZLjava/lang/String;C)V

    .line 460
    aget-byte v6, v1, v5

    if-ne v6, v2, :cond_1

    move v6, v0

    goto :goto_2

    :cond_1
    move v6, v3

    :goto_2
    const-string v7, "Duplicate character: %s"

    invoke-static {v6, v7, v5}, Lcom/google/common/base/Preconditions;->checkArgument(ZLjava/lang/String;C)V

    int-to-byte v6, v4

    .line 461
    aput-byte v6, v1, v5

    add-int/lit8 v4, v4, 0x1

    goto :goto_0

    :cond_2
    iput-object v1, p0, Lcom/google/common/io/BaseEncoding$Alphabet;->decodabet:[B

    iget p1, p0, Lcom/google/common/io/BaseEncoding$Alphabet;->charsPerChunk:I

    .line 465
    new-array p1, p1, [Z

    :goto_3
    iget p2, p0, Lcom/google/common/io/BaseEncoding$Alphabet;->bytesPerChunk:I

    if-ge v3, p2, :cond_3

    mul-int/lit8 p2, v3, 0x8

    iget v1, p0, Lcom/google/common/io/BaseEncoding$Alphabet;->bitsPerChar:I

    .line 467
    sget-object v2, Ljava/math/RoundingMode;->CEILING:Ljava/math/RoundingMode;

    invoke-static {p2, v1, v2}, Lcom/google/common/math/IntMath;->divide(IILjava/math/RoundingMode;)I

    move-result p2

    aput-boolean v0, p1, p2

    add-int/lit8 v3, v3, 0x1

    goto :goto_3

    :cond_3
    iput-object p1, p0, Lcom/google/common/io/BaseEncoding$Alphabet;->validPadding:[Z

    return-void

    :catch_0
    move-exception p0

    .line 450
    new-instance p1, Ljava/lang/IllegalArgumentException;

    new-instance v0, Ljava/lang/String;

    invoke-direct {v0, p2}, Ljava/lang/String;-><init>([C)V

    invoke-virtual {v0}, Ljava/lang/String;->length()I

    move-result p2

    const-string v1, "Illegal alphabet "

    if-eqz p2, :cond_4

    invoke-virtual {v1, v0}, Ljava/lang/String;->concat(Ljava/lang/String;)Ljava/lang/String;

    move-result-object p2

    goto :goto_4

    :cond_4
    new-instance p2, Ljava/lang/String;

    invoke-direct {p2, v1}, Ljava/lang/String;-><init>(Ljava/lang/String;)V

    :goto_4
    invoke-direct {p1, p2, p0}, Ljava/lang/IllegalArgumentException;-><init>(Ljava/lang/String;Ljava/lang/Throwable;)V

    throw p1

    :catch_1
    move-exception p0

    .line 438
    new-instance p1, Ljava/lang/IllegalArgumentException;

    array-length p2, p2

    new-instance v0, Ljava/lang/StringBuilder;

    const/16 v1, 0x23

    invoke-direct {v0, v1}, Ljava/lang/StringBuilder;-><init>(I)V

    const-string v1, "Illegal alphabet length "

    invoke-virtual {v0, v1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v0

    invoke-virtual {v0, p2}, Ljava/lang/StringBuilder;->append(I)Ljava/lang/StringBuilder;

    move-result-object p2

    invoke-virtual {p2}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object p2

    invoke-direct {p1, p2, p0}, Ljava/lang/IllegalArgumentException;-><init>(Ljava/lang/String;Ljava/lang/Throwable;)V

    throw p1
.end method

.method static synthetic access$000(Lcom/google/common/io/BaseEncoding$Alphabet;)[C
    .locals 0

    .line 421
    iget-object p0, p0, Lcom/google/common/io/BaseEncoding$Alphabet;->chars:[C

    return-object p0
.end method

.method private hasLowerCase()Z
    .locals 4

    iget-object p0, p0, Lcom/google/common/io/BaseEncoding$Alphabet;->chars:[C

    .line 500
    array-length v0, p0

    const/4 v1, 0x0

    move v2, v1

    :goto_0
    if-ge v2, v0, :cond_1

    aget-char v3, p0, v2

    .line 501
    invoke-static {v3}, Lcom/google/common/base/Ascii;->isLowerCase(C)Z

    move-result v3

    if-eqz v3, :cond_0

    const/4 p0, 0x1

    return p0

    :cond_0
    add-int/lit8 v2, v2, 0x1

    goto :goto_0

    :cond_1
    return v1
.end method

.method private hasUpperCase()Z
    .locals 4

    iget-object p0, p0, Lcom/google/common/io/BaseEncoding$Alphabet;->chars:[C

    .line 509
    array-length v0, p0

    const/4 v1, 0x0

    move v2, v1

    :goto_0
    if-ge v2, v0, :cond_1

    aget-char v3, p0, v2

    .line 510
    invoke-static {v3}, Lcom/google/common/base/Ascii;->isUpperCase(C)Z

    move-result v3

    if-eqz v3, :cond_0

    const/4 p0, 0x1

    return p0

    :cond_0
    add-int/lit8 v2, v2, 0x1

    goto :goto_0

    :cond_1
    return v1
.end method


# virtual methods
.method canDecode(C)Z
    .locals 1

    const/16 v0, 0x7f

    if-gt p1, v0, :cond_0

    iget-object p0, p0, Lcom/google/common/io/BaseEncoding$Alphabet;->decodabet:[B

    .line 481
    aget-byte p0, p0, p1

    const/4 p1, -0x1

    if-eq p0, p1, :cond_0

    const/4 p0, 0x1

    goto :goto_0

    :cond_0
    const/4 p0, 0x0

    :goto_0
    return p0
.end method

.method decode(C)I
    .locals 3
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Lcom/google/common/io/BaseEncoding$DecodingException;
        }
    .end annotation

    const-string v0, "Unrecognized character: 0x"

    const/16 v1, 0x7f

    if-le p1, v1, :cond_1

    .line 486
    new-instance p0, Lcom/google/common/io/BaseEncoding$DecodingException;

    invoke-static {p1}, Ljava/lang/Integer;->toHexString(I)Ljava/lang/String;

    move-result-object p1

    invoke-static {p1}, Ljava/lang/String;->valueOf(Ljava/lang/Object;)Ljava/lang/String;

    move-result-object p1

    invoke-virtual {p1}, Ljava/lang/String;->length()I

    move-result v1

    if-eqz v1, :cond_0

    invoke-virtual {v0, p1}, Ljava/lang/String;->concat(Ljava/lang/String;)Ljava/lang/String;

    move-result-object p1

    goto :goto_0

    :cond_0
    new-instance p1, Ljava/lang/String;

    invoke-direct {p1, v0}, Ljava/lang/String;-><init>(Ljava/lang/String;)V

    :goto_0
    invoke-direct {p0, p1}, Lcom/google/common/io/BaseEncoding$DecodingException;-><init>(Ljava/lang/String;)V

    throw p0

    :cond_1
    iget-object p0, p0, Lcom/google/common/io/BaseEncoding$Alphabet;->decodabet:[B

    .line 488
    aget-byte p0, p0, p1

    const/4 v2, -0x1

    if-ne p0, v2, :cond_5

    const/16 p0, 0x20

    if-le p1, p0, :cond_3

    if-ne p1, v1, :cond_2

    goto :goto_1

    .line 493
    :cond_2
    new-instance p0, Lcom/google/common/io/BaseEncoding$DecodingException;

    new-instance v0, Ljava/lang/StringBuilder;

    const/16 v1, 0x19

    invoke-direct {v0, v1}, Ljava/lang/StringBuilder;-><init>(I)V

    const-string v1, "Unrecognized character: "

    invoke-virtual {v0, v1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v0

    invoke-virtual {v0, p1}, Ljava/lang/StringBuilder;->append(C)Ljava/lang/StringBuilder;

    move-result-object p1

    invoke-virtual {p1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object p1

    invoke-direct {p0, p1}, Lcom/google/common/io/BaseEncoding$DecodingException;-><init>(Ljava/lang/String;)V

    throw p0

    .line 491
    :cond_3
    :goto_1
    new-instance p0, Lcom/google/common/io/BaseEncoding$DecodingException;

    invoke-static {p1}, Ljava/lang/Integer;->toHexString(I)Ljava/lang/String;

    move-result-object p1

    invoke-static {p1}, Ljava/lang/String;->valueOf(Ljava/lang/Object;)Ljava/lang/String;

    move-result-object p1

    invoke-virtual {p1}, Ljava/lang/String;->length()I

    move-result v1

    if-eqz v1, :cond_4

    invoke-virtual {v0, p1}, Ljava/lang/String;->concat(Ljava/lang/String;)Ljava/lang/String;

    move-result-object p1

    goto :goto_2

    :cond_4
    new-instance p1, Ljava/lang/String;

    invoke-direct {p1, v0}, Ljava/lang/String;-><init>(Ljava/lang/String;)V

    :goto_2
    invoke-direct {p0, p1}, Lcom/google/common/io/BaseEncoding$DecodingException;-><init>(Ljava/lang/String;)V

    throw p0

    :cond_5
    return p0
.end method

.method encode(I)C
    .locals 0

    iget-object p0, p0, Lcom/google/common/io/BaseEncoding$Alphabet;->chars:[C

    .line 473
    aget-char p0, p0, p1

    return p0
.end method

.method public equals(Ljava/lang/Object;)Z
    .locals 1
    .param p1    # Ljava/lang/Object;
        .annotation runtime Ljavax/annotation/CheckForNull;
        .end annotation
    .end param

    .line 552
    instance-of v0, p1, Lcom/google/common/io/BaseEncoding$Alphabet;

    if-eqz v0, :cond_0

    .line 553
    check-cast p1, Lcom/google/common/io/BaseEncoding$Alphabet;

    iget-object p0, p0, Lcom/google/common/io/BaseEncoding$Alphabet;->chars:[C

    .line 554
    iget-object p1, p1, Lcom/google/common/io/BaseEncoding$Alphabet;->chars:[C

    invoke-static {p0, p1}, Ljava/util/Arrays;->equals([C[C)Z

    move-result p0

    return p0

    :cond_0
    const/4 p0, 0x0

    return p0
.end method

.method public hashCode()I
    .locals 0

    iget-object p0, p0, Lcom/google/common/io/BaseEncoding$Alphabet;->chars:[C

    .line 561
    invoke-static {p0}, Ljava/util/Arrays;->hashCode([C)I

    move-result p0

    return p0
.end method

.method isValidPaddingStartPosition(I)Z
    .locals 1

    iget-object v0, p0, Lcom/google/common/io/BaseEncoding$Alphabet;->validPadding:[Z

    iget p0, p0, Lcom/google/common/io/BaseEncoding$Alphabet;->charsPerChunk:I

    .line 477
    rem-int/2addr p1, p0

    aget-boolean p0, v0, p1

    return p0
.end method

.method lowerCase()Lcom/google/common/io/BaseEncoding$Alphabet;
    .locals 4

    .line 530
    invoke-direct {p0}, Lcom/google/common/io/BaseEncoding$Alphabet;->hasUpperCase()Z

    move-result v0

    if-nez v0, :cond_0

    return-object p0

    .line 533
    :cond_0
    invoke-direct {p0}, Lcom/google/common/io/BaseEncoding$Alphabet;->hasLowerCase()Z

    move-result v0

    xor-int/lit8 v0, v0, 0x1

    const-string v1, "Cannot call lowerCase() on a mixed-case alphabet"

    invoke-static {v0, v1}, Lcom/google/common/base/Preconditions;->checkState(ZLjava/lang/Object;)V

    iget-object v0, p0, Lcom/google/common/io/BaseEncoding$Alphabet;->chars:[C

    .line 534
    array-length v0, v0

    new-array v0, v0, [C

    const/4 v1, 0x0

    :goto_0
    iget-object v2, p0, Lcom/google/common/io/BaseEncoding$Alphabet;->chars:[C

    .line 535
    array-length v3, v2

    if-ge v1, v3, :cond_1

    .line 536
    aget-char v2, v2, v1

    invoke-static {v2}, Lcom/google/common/base/Ascii;->toLowerCase(C)C

    move-result v2

    aput-char v2, v0, v1

    add-int/lit8 v1, v1, 0x1

    goto :goto_0

    .line 538
    :cond_1
    new-instance v1, Lcom/google/common/io/BaseEncoding$Alphabet;

    iget-object p0, p0, Lcom/google/common/io/BaseEncoding$Alphabet;->name:Ljava/lang/String;

    invoke-static {p0}, Ljava/lang/String;->valueOf(Ljava/lang/Object;)Ljava/lang/String;

    move-result-object p0

    const-string v2, ".lowerCase()"

    invoke-virtual {p0, v2}, Ljava/lang/String;->concat(Ljava/lang/String;)Ljava/lang/String;

    move-result-object p0

    invoke-direct {v1, p0, v0}, Lcom/google/common/io/BaseEncoding$Alphabet;-><init>(Ljava/lang/String;[C)V

    return-object v1
.end method

.method public matches(C)Z
    .locals 1

    iget-object p0, p0, Lcom/google/common/io/BaseEncoding$Alphabet;->decodabet:[B

    .line 542
    array-length v0, p0

    if-ge p1, v0, :cond_0

    aget-byte p0, p0, p1

    const/4 p1, -0x1

    if-eq p0, p1, :cond_0

    const/4 p0, 0x1

    goto :goto_0

    :cond_0
    const/4 p0, 0x0

    :goto_0
    return p0
.end method

.method public toString()Ljava/lang/String;
    .locals 0

    iget-object p0, p0, Lcom/google/common/io/BaseEncoding$Alphabet;->name:Ljava/lang/String;

    return-object p0
.end method

.method upperCase()Lcom/google/common/io/BaseEncoding$Alphabet;
    .locals 4

    .line 518
    invoke-direct {p0}, Lcom/google/common/io/BaseEncoding$Alphabet;->hasLowerCase()Z

    move-result v0

    if-nez v0, :cond_0

    return-object p0

    .line 521
    :cond_0
    invoke-direct {p0}, Lcom/google/common/io/BaseEncoding$Alphabet;->hasUpperCase()Z

    move-result v0

    xor-int/lit8 v0, v0, 0x1

    const-string v1, "Cannot call upperCase() on a mixed-case alphabet"

    invoke-static {v0, v1}, Lcom/google/common/base/Preconditions;->checkState(ZLjava/lang/Object;)V

    iget-object v0, p0, Lcom/google/common/io/BaseEncoding$Alphabet;->chars:[C

    .line 522
    array-length v0, v0

    new-array v0, v0, [C

    const/4 v1, 0x0

    :goto_0
    iget-object v2, p0, Lcom/google/common/io/BaseEncoding$Alphabet;->chars:[C

    .line 523
    array-length v3, v2

    if-ge v1, v3, :cond_1

    .line 524
    aget-char v2, v2, v1

    invoke-static {v2}, Lcom/google/common/base/Ascii;->toUpperCase(C)C

    move-result v2

    aput-char v2, v0, v1

    add-int/lit8 v1, v1, 0x1

    goto :goto_0

    .line 526
    :cond_1
    new-instance v1, Lcom/google/common/io/BaseEncoding$Alphabet;

    iget-object p0, p0, Lcom/google/common/io/BaseEncoding$Alphabet;->name:Ljava/lang/String;

    invoke-static {p0}, Ljava/lang/String;->valueOf(Ljava/lang/Object;)Ljava/lang/String;

    move-result-object p0

    const-string v2, ".upperCase()"

    invoke-virtual {p0, v2}, Ljava/lang/String;->concat(Ljava/lang/String;)Ljava/lang/String;

    move-result-object p0

    invoke-direct {v1, p0, v0}, Lcom/google/common/io/BaseEncoding$Alphabet;-><init>(Ljava/lang/String;[C)V

    return-object v1
.end method