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.class final Lcom/google/common/io/BaseEncoding$Alphabet;
.super Lcom/google/common/base/CharMatcher;
.source "BaseEncoding.java"
# annotations
.annotation system Ldalvik/annotation/EnclosingClass;
value = Lcom/google/common/io/BaseEncoding;
.end annotation
.annotation system Ldalvik/annotation/InnerClass;
accessFlags = 0x1a
name = "Alphabet"
.end annotation
# instance fields
.field final bitsPerChar:I
.field final bytesPerChunk:I
.field private final chars:[C
.field final charsPerChunk:I
.field private final decodabet:[B
.field final mask:I
.field private final name:Ljava/lang/String;
.field private final validPadding:[Z
# direct methods
.method constructor <init>(Ljava/lang/String;[C)V
.locals 10
.prologue
const/16 v4, 0x8
const/4 v9, -0x1
const/4 v3, 0x1
const/4 v1, 0x0
.line 457
invoke-direct {p0}, Lcom/google/common/base/CharMatcher;-><init>()V
.line 458
invoke-static {p1}, Lcom/google/common/base/Preconditions;->checkNotNull(Ljava/lang/Object;)Ljava/lang/Object;
move-result-object v0
check-cast v0, Ljava/lang/String;
iput-object v0, p0, Lcom/google/common/io/BaseEncoding$Alphabet;->name:Ljava/lang/String;
.line 459
invoke-static {p2}, Lcom/google/common/base/Preconditions;->checkNotNull(Ljava/lang/Object;)Ljava/lang/Object;
move-result-object v0
check-cast v0, [C
iput-object v0, p0, Lcom/google/common/io/BaseEncoding$Alphabet;->chars:[C
.line 461
:try_start_0
array-length v0, p2
sget-object v2, Ljava/math/RoundingMode;->UNNECESSARY:Ljava/math/RoundingMode;
invoke-static {v0, v2}, Lcom/google/common/math/IntMath;->log2(ILjava/math/RoundingMode;)I
move-result v0
iput v0, p0, Lcom/google/common/io/BaseEncoding$Alphabet;->bitsPerChar:I
:try_end_0
.catch Ljava/lang/ArithmeticException; {:try_start_0 .. :try_end_0} :catch_0
.line 470
iget v0, p0, Lcom/google/common/io/BaseEncoding$Alphabet;->bitsPerChar:I
invoke-static {v0}, Ljava/lang/Integer;->lowestOneBit(I)I
move-result v0
invoke-static {v4, v0}, Ljava/lang/Math;->min(II)I
move-result v0
.line 471
div-int v2, v4, v0
iput v2, p0, Lcom/google/common/io/BaseEncoding$Alphabet;->charsPerChunk:I
.line 472
iget v2, p0, Lcom/google/common/io/BaseEncoding$Alphabet;->bitsPerChar:I
div-int v0, v2, v0
iput v0, p0, Lcom/google/common/io/BaseEncoding$Alphabet;->bytesPerChunk:I
.line 474
array-length v0, p2
add-int/lit8 v0, v0, -0x1
iput v0, p0, Lcom/google/common/io/BaseEncoding$Alphabet;->mask:I
.line 476
const/16 v0, 0x80
new-array v4, v0, [B
.line 477
invoke-static {v4, v9}, Ljava/util/Arrays;->fill([BB)V
move v0, v1
.line 478
:goto_0
array-length v2, p2
if-ge v0, v2, :cond_1
.line 479
aget-char v5, p2, v0
.line 480
sget-object v2, Lcom/google/common/base/CharMatcher;->ASCII:Lcom/google/common/base/CharMatcher;
invoke-virtual {v2, v5}, Lcom/google/common/base/CharMatcher;->matches(C)Z
move-result v2
const-string v6, "Non-ASCII character: %s"
new-array v7, v3, [Ljava/lang/Object;
invoke-static {v5}, Ljava/lang/Character;->valueOf(C)Ljava/lang/Character;
move-result-object v8
aput-object v8, v7, v1
invoke-static {v2, v6, v7}, Lcom/google/common/base/Preconditions;->checkArgument(ZLjava/lang/String;[Ljava/lang/Object;)V
.line 481
aget-byte v2, v4, v5
if-ne v2, v9, :cond_0
move v2, v3
:goto_1
const-string v6, "Duplicate character: %s"
new-array v7, v3, [Ljava/lang/Object;
invoke-static {v5}, Ljava/lang/Character;->valueOf(C)Ljava/lang/Character;
move-result-object v8
aput-object v8, v7, v1
invoke-static {v2, v6, v7}, Lcom/google/common/base/Preconditions;->checkArgument(ZLjava/lang/String;[Ljava/lang/Object;)V
.line 482
int-to-byte v2, v0
aput-byte v2, v4, v5
.line 478
add-int/lit8 v0, v0, 0x1
goto :goto_0
.line 462
:catch_0
move-exception v0
.line 463
new-instance v1, Ljava/lang/IllegalArgumentException;
new-instance v2, Ljava/lang/StringBuilder;
invoke-direct {v2}, Ljava/lang/StringBuilder;-><init>()V
const-string v3, "Illegal alphabet length "
invoke-virtual {v2, v3}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;
move-result-object v2
array-length v3, p2
invoke-virtual {v2, v3}, Ljava/lang/StringBuilder;->append(I)Ljava/lang/StringBuilder;
move-result-object v2
invoke-virtual {v2}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;
move-result-object v2
invoke-direct {v1, v2, v0}, Ljava/lang/IllegalArgumentException;-><init>(Ljava/lang/String;Ljava/lang/Throwable;)V
throw v1
:cond_0
move v2, v1
.line 481
goto :goto_1
.line 484
:cond_1
iput-object v4, p0, Lcom/google/common/io/BaseEncoding$Alphabet;->decodabet:[B
.line 486
iget v0, p0, Lcom/google/common/io/BaseEncoding$Alphabet;->charsPerChunk:I
new-array v0, v0, [Z
.line 487
:goto_2
iget v2, p0, Lcom/google/common/io/BaseEncoding$Alphabet;->bytesPerChunk:I
if-ge v1, v2, :cond_2
.line 488
mul-int/lit8 v2, v1, 0x8
iget v4, p0, Lcom/google/common/io/BaseEncoding$Alphabet;->bitsPerChar:I
sget-object v5, Ljava/math/RoundingMode;->CEILING:Ljava/math/RoundingMode;
invoke-static {v2, v4, v5}, Lcom/google/common/math/IntMath;->divide(IILjava/math/RoundingMode;)I
move-result v2
aput-boolean v3, v0, v2
.line 487
add-int/lit8 v1, v1, 0x1
goto :goto_2
.line 490
:cond_2
iput-object v0, p0, Lcom/google/common/io/BaseEncoding$Alphabet;->validPadding:[Z
.line 491
return-void
.end method
.method private hasLowerCase()Z
.locals 5
.prologue
const/4 v0, 0x0
.line 509
iget-object v2, p0, Lcom/google/common/io/BaseEncoding$Alphabet;->chars:[C
array-length v3, v2
move v1, v0
:goto_0
if-ge v1, v3, :cond_0
aget-char v4, v2, v1
.line 510
invoke-static {v4}, Lcom/google/common/base/Ascii;->isLowerCase(C)Z
move-result v4
if-eqz v4, :cond_1
.line 511
const/4 v0, 0x1
.line 514
:cond_0
return v0
.line 509
:cond_1
add-int/lit8 v1, v1, 0x1
goto :goto_0
.end method
.method private hasUpperCase()Z
.locals 5
.prologue
const/4 v0, 0x0
.line 518
iget-object v2, p0, Lcom/google/common/io/BaseEncoding$Alphabet;->chars:[C
array-length v3, v2
move v1, v0
:goto_0
if-ge v1, v3, :cond_0
aget-char v4, v2, v1
.line 519
invoke-static {v4}, Lcom/google/common/base/Ascii;->isUpperCase(C)Z
move-result v4
if-eqz v4, :cond_1
.line 520
const/4 v0, 0x1
.line 523
:cond_0
return v0
.line 518
:cond_1
add-int/lit8 v1, v1, 0x1
goto :goto_0
.end method
# virtual methods
.method decode(C)I
.locals 3
.prologue
.line 502
const/16 v0, 0x7f
if-gt p1, v0, :cond_0
iget-object v0, p0, Lcom/google/common/io/BaseEncoding$Alphabet;->decodabet:[B
aget-byte v0, v0, p1
const/4 v1, -0x1
if-ne v0, v1, :cond_1
.line 503
:cond_0
new-instance v0, Lcom/google/common/io/BaseEncoding$DecodingException;
new-instance v1, Ljava/lang/StringBuilder;
invoke-direct {v1}, Ljava/lang/StringBuilder;-><init>()V
const-string v2, "Unrecognized character: "
invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;
move-result-object v1
invoke-virtual {v1, p1}, Ljava/lang/StringBuilder;->append(C)Ljava/lang/StringBuilder;
move-result-object v1
invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;
move-result-object v1
invoke-direct {v0, v1}, Lcom/google/common/io/BaseEncoding$DecodingException;-><init>(Ljava/lang/String;)V
throw v0
.line 505
:cond_1
iget-object v0, p0, Lcom/google/common/io/BaseEncoding$Alphabet;->decodabet:[B
aget-byte v0, v0, p1
return v0
.end method
.method encode(I)C
.locals 1
.prologue
.line 494
iget-object v0, p0, Lcom/google/common/io/BaseEncoding$Alphabet;->chars:[C
aget-char v0, v0, p1
return v0
.end method
.method isValidPaddingStartPosition(I)Z
.locals 2
.prologue
.line 498
iget-object v0, p0, Lcom/google/common/io/BaseEncoding$Alphabet;->validPadding:[Z
iget v1, p0, Lcom/google/common/io/BaseEncoding$Alphabet;->charsPerChunk:I
rem-int v1, p1, v1
aget-boolean v0, v0, v1
return v0
.end method
.method lowerCase()Lcom/google/common/io/BaseEncoding$Alphabet;
.locals 4
.prologue
const/4 v1, 0x0
.line 540
invoke-direct {p0}, Lcom/google/common/io/BaseEncoding$Alphabet;->hasUpperCase()Z
move-result v0
if-nez v0, :cond_0
.line 548
:goto_0
return-object p0
.line 543
:cond_0
invoke-direct {p0}, Lcom/google/common/io/BaseEncoding$Alphabet;->hasLowerCase()Z
move-result v0
if-nez v0, :cond_1
const/4 v0, 0x1
:goto_1
const-string v2, "Cannot call lowerCase() on a mixed-case alphabet"
invoke-static {v0, v2}, Lcom/google/common/base/Preconditions;->checkState(ZLjava/lang/Object;)V
.line 544
iget-object v0, p0, Lcom/google/common/io/BaseEncoding$Alphabet;->chars:[C
array-length v0, v0
new-array v2, v0, [C
.line 545
:goto_2
iget-object v0, p0, Lcom/google/common/io/BaseEncoding$Alphabet;->chars:[C
array-length v0, v0
if-ge v1, v0, :cond_2
.line 546
iget-object v0, p0, Lcom/google/common/io/BaseEncoding$Alphabet;->chars:[C
aget-char v0, v0, v1
invoke-static {v0}, Lcom/google/common/base/Ascii;->toLowerCase(C)C
move-result v0
aput-char v0, v2, v1
.line 545
add-int/lit8 v1, v1, 0x1
goto :goto_2
:cond_1
move v0, v1
.line 543
goto :goto_1
.line 548
:cond_2
new-instance v0, Lcom/google/common/io/BaseEncoding$Alphabet;
new-instance v1, Ljava/lang/StringBuilder;
invoke-direct {v1}, Ljava/lang/StringBuilder;-><init>()V
iget-object v3, p0, Lcom/google/common/io/BaseEncoding$Alphabet;->name:Ljava/lang/String;
invoke-virtual {v1, v3}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;
move-result-object v1
const-string v3, ".lowerCase()"
invoke-virtual {v1, v3}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;
move-result-object v1
invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;
move-result-object v1
invoke-direct {v0, v1, v2}, Lcom/google/common/io/BaseEncoding$Alphabet;-><init>(Ljava/lang/String;[C)V
move-object p0, v0
goto :goto_0
.end method
.method public matches(C)Z
.locals 2
.prologue
.line 554
sget-object v0, Lcom/google/common/base/CharMatcher;->ASCII:Lcom/google/common/base/CharMatcher;
invoke-virtual {v0, p1}, Lcom/google/common/base/CharMatcher;->matches(C)Z
move-result v0
if-eqz v0, :cond_0
iget-object v0, p0, Lcom/google/common/io/BaseEncoding$Alphabet;->decodabet:[B
aget-byte v0, v0, p1
const/4 v1, -0x1
if-eq v0, v1, :cond_0
const/4 v0, 0x1
:goto_0
return v0
:cond_0
const/4 v0, 0x0
goto :goto_0
.end method
.method public toString()Ljava/lang/String;
.locals 1
.prologue
.line 559
iget-object v0, p0, Lcom/google/common/io/BaseEncoding$Alphabet;->name:Ljava/lang/String;
return-object v0
.end method
.method upperCase()Lcom/google/common/io/BaseEncoding$Alphabet;
.locals 4
.prologue
const/4 v1, 0x0
.line 527
invoke-direct {p0}, Lcom/google/common/io/BaseEncoding$Alphabet;->hasLowerCase()Z
move-result v0
if-nez v0, :cond_0
.line 535
:goto_0
return-object p0
.line 530
:cond_0
invoke-direct {p0}, Lcom/google/common/io/BaseEncoding$Alphabet;->hasUpperCase()Z
move-result v0
if-nez v0, :cond_1
const/4 v0, 0x1
:goto_1
const-string v2, "Cannot call upperCase() on a mixed-case alphabet"
invoke-static {v0, v2}, Lcom/google/common/base/Preconditions;->checkState(ZLjava/lang/Object;)V
.line 531
iget-object v0, p0, Lcom/google/common/io/BaseEncoding$Alphabet;->chars:[C
array-length v0, v0
new-array v2, v0, [C
.line 532
:goto_2
iget-object v0, p0, Lcom/google/common/io/BaseEncoding$Alphabet;->chars:[C
array-length v0, v0
if-ge v1, v0, :cond_2
.line 533
iget-object v0, p0, Lcom/google/common/io/BaseEncoding$Alphabet;->chars:[C
aget-char v0, v0, v1
invoke-static {v0}, Lcom/google/common/base/Ascii;->toUpperCase(C)C
move-result v0
aput-char v0, v2, v1
.line 532
add-int/lit8 v1, v1, 0x1
goto :goto_2
:cond_1
move v0, v1
.line 530
goto :goto_1
.line 535
:cond_2
new-instance v0, Lcom/google/common/io/BaseEncoding$Alphabet;
new-instance v1, Ljava/lang/StringBuilder;
invoke-direct {v1}, Ljava/lang/StringBuilder;-><init>()V
iget-object v3, p0, Lcom/google/common/io/BaseEncoding$Alphabet;->name:Ljava/lang/String;
invoke-virtual {v1, v3}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;
move-result-object v1
const-string v3, ".upperCase()"
invoke-virtual {v1, v3}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;
move-result-object v1
invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;
move-result-object v1
invoke-direct {v0, v1, v2}, Lcom/google/common/io/BaseEncoding$Alphabet;-><init>(Ljava/lang/String;[C)V
move-object p0, v0
goto :goto_0
.end method