Utf8.smali

.class final Lcom/google/protobuf/Utf8;
.super Ljava/lang/Object;
.source "Utf8.java"


# annotations
.annotation system Ldalvik/annotation/MemberClasses;
    value = {
        Lcom/google/protobuf/Utf8$UnsafeProcessor;,
        Lcom/google/protobuf/Utf8$SafeProcessor;,
        Lcom/google/protobuf/Utf8$Processor;,
        Lcom/google/protobuf/Utf8$UnpairedSurrogateException;
    }
.end annotation


# static fields
.field private static final ASCII_MASK_LONG:J = -0x7f7f7f7f7f7f7f80L

.field public static final COMPLETE:I = 0x0

.field public static final MALFORMED:I = -0x1

.field static final MAX_BYTES_PER_CHAR:I = 0x3

.field private static final UNSAFE_COUNT_ASCII_THRESHOLD:I = 0x10

.field private static final processor:Lcom/google/protobuf/Utf8$Processor;


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

    .prologue
    .line 87
    invoke-static {}, Lcom/google/protobuf/Utf8$UnsafeProcessor;->isAvailable()Z

    move-result v0

    if-eqz v0, :cond_e

    new-instance v0, Lcom/google/protobuf/Utf8$UnsafeProcessor;

    invoke-direct {v0}, Lcom/google/protobuf/Utf8$UnsafeProcessor;-><init>()V

    :goto_b
    sput-object v0, Lcom/google/protobuf/Utf8;->processor:Lcom/google/protobuf/Utf8$Processor;

    .line 86
    return-void

    .line 87
    :cond_e
    new-instance v0, Lcom/google/protobuf/Utf8$SafeProcessor;

    invoke-direct {v0}, Lcom/google/protobuf/Utf8$SafeProcessor;-><init>()V

    goto :goto_b
.end method

.method private constructor <init>()V
    .registers 1

    .prologue
    .line 1572
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    return-void
.end method

.method static synthetic access$000(II)I
    .registers 3

    .prologue
    .line 79
    invoke-static {p0, p1}, Lcom/google/protobuf/Utf8;->incompleteStateFor(II)I

    move-result v0

    return v0
.end method

.method static synthetic access$100(III)I
    .registers 4

    .prologue
    .line 79
    invoke-static {p0, p1, p2}, Lcom/google/protobuf/Utf8;->incompleteStateFor(III)I

    move-result v0

    return v0
.end method

.method static synthetic access$200(Ljava/nio/ByteBuffer;II)I
    .registers 4

    .prologue
    .line 79
    invoke-static {p0, p1, p2}, Lcom/google/protobuf/Utf8;->estimateConsecutiveAscii(Ljava/nio/ByteBuffer;II)I

    move-result v0

    return v0
.end method

.method static synthetic access$300(Ljava/nio/ByteBuffer;III)I
    .registers 5

    .prologue
    .line 79
    invoke-static {p0, p1, p2, p3}, Lcom/google/protobuf/Utf8;->incompleteStateFor(Ljava/nio/ByteBuffer;III)I

    move-result v0

    return v0
.end method

.method static synthetic access$400([BII)I
    .registers 4

    .prologue
    .line 79
    invoke-static {p0, p1, p2}, Lcom/google/protobuf/Utf8;->incompleteStateFor([BII)I

    move-result v0

    return v0
.end method

.method static synthetic access$500(I)I
    .registers 2

    .prologue
    .line 79
    invoke-static {p0}, Lcom/google/protobuf/Utf8;->incompleteStateFor(I)I

    move-result v0

    return v0
.end method

.method static encode(Ljava/lang/CharSequence;[BII)I
    .registers 5

    .prologue
    .line 304
    sget-object v0, Lcom/google/protobuf/Utf8;->processor:Lcom/google/protobuf/Utf8$Processor;

    invoke-virtual {v0, p0, p1, p2, p3}, Lcom/google/protobuf/Utf8$Processor;->encodeUtf8(Ljava/lang/CharSequence;[BII)I

    move-result v0

    return v0
.end method

.method static encodeUtf8(Ljava/lang/CharSequence;Ljava/nio/ByteBuffer;)V
    .registers 3

    .prologue
    .line 345
    sget-object v0, Lcom/google/protobuf/Utf8;->processor:Lcom/google/protobuf/Utf8$Processor;

    invoke-virtual {v0, p0, p1}, Lcom/google/protobuf/Utf8$Processor;->encodeUtf8(Ljava/lang/CharSequence;Ljava/nio/ByteBuffer;)V

    .line 346
    return-void
.end method

.method static encodedLength(Ljava/lang/CharSequence;)I
    .registers 9

    .prologue
    .line 252
    invoke-interface {p0}, Ljava/lang/CharSequence;->length()I

    move-result v2

    .line 254
    const/4 v0, 0x0

    .line 257
    :goto_5
    if-ge v0, v2, :cond_4e

    invoke-interface {p0, v0}, Ljava/lang/CharSequence;->charAt(I)C

    move-result v1

    const/16 v3, 0x80

    if-ge v1, v3, :cond_4e

    .line 258
    add-int/lit8 v0, v0, 0x1

    goto :goto_5

    .line 262
    :goto_12
    if-ge v1, v2, :cond_2b

    .line 263
    invoke-interface {p0, v1}, Ljava/lang/CharSequence;->charAt(I)C

    move-result v3

    .line 264
    const/16 v4, 0x800

    if-ge v3, v4, :cond_26

    .line 265
    rsub-int/lit8 v3, v3, 0x7f

    ushr-int/lit8 v3, v3, 0x1f

    add-int/2addr v3, v0

    .line 262
    add-int/lit8 v0, v1, 0x1

    move v1, v0

    move v0, v3

    goto :goto_12

    .line 267
    :cond_26
    invoke-static {p0, v1}, Lcom/google/protobuf/Utf8;->encodedLengthGeneral(Ljava/lang/CharSequence;I)I

    move-result v1

    add-int/2addr v0, v1

    .line 272
    :cond_2b
    if-ge v0, v2, :cond_4d

    .line 274
    new-instance v1, Ljava/lang/IllegalArgumentException;

    new-instance v2, Ljava/lang/StringBuilder;

    invoke-direct {v2}, Ljava/lang/StringBuilder;-><init>()V

    const-string v3, "UTF-8 length does not fit in int: "

    invoke-virtual {v2, v3}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v2

    int-to-long v4, v0

    const-wide v6, 0x100000000L

    add-long/2addr v4, v6

    invoke-virtual {v2, v4, v5}, Ljava/lang/StringBuilder;->append(J)Ljava/lang/StringBuilder;

    move-result-object v0

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

    move-result-object v0

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

    throw v1

    .line 277
    :cond_4d
    return v0

    :cond_4e
    move v1, v0

    move v0, v2

    goto :goto_12
.end method

.method private static encodedLengthGeneral(Ljava/lang/CharSequence;I)I
    .registers 7

    .prologue
    .line 281
    invoke-interface {p0}, Ljava/lang/CharSequence;->length()I

    move-result v2

    .line 282
    const/4 v1, 0x0

    move v0, p1

    .line 283
    :goto_6
    if-ge v0, v2, :cond_35

    .line 284
    invoke-interface {p0, v0}, Ljava/lang/CharSequence;->charAt(I)C

    move-result v3

    .line 285
    const/16 v4, 0x800

    if-ge v3, v4, :cond_18

    .line 286
    rsub-int/lit8 v3, v3, 0x7f

    ushr-int/lit8 v3, v3, 0x1f

    add-int/2addr v1, v3

    .line 283
    :cond_15
    :goto_15
    add-int/lit8 v0, v0, 0x1

    goto :goto_6

    .line 288
    :cond_18
    add-int/lit8 v1, v1, 0x2

    .line 290
    const v4, 0xd800

    if-gt v4, v3, :cond_15

    const v4, 0xdfff

    if-gt v3, v4, :cond_15

    .line 292
    invoke-static {p0, v0}, Ljava/lang/Character;->codePointAt(Ljava/lang/CharSequence;I)I

    move-result v3

    .line 293
    const/high16 v4, 0x10000

    if-ge v3, v4, :cond_32

    .line 294
    new-instance v1, Lcom/google/protobuf/Utf8$UnpairedSurrogateException;

    invoke-direct {v1, v0, v2}, Lcom/google/protobuf/Utf8$UnpairedSurrogateException;-><init>(II)V

    throw v1

    .line 296
    :cond_32
    add-int/lit8 v0, v0, 0x1

    goto :goto_15

    .line 300
    :cond_35
    return v1
.end method

.method private static estimateConsecutiveAscii(Ljava/nio/ByteBuffer;II)I
    .registers 9

    .prologue
    .line 360
    .line 361
    add-int/lit8 v1, p2, -0x7

    move v0, p1

    .line 365
    :goto_3
    if-ge v0, v1, :cond_18

    invoke-virtual {p0, v0}, Ljava/nio/ByteBuffer;->getLong(I)J

    move-result-wide v2

    const-wide v4, -0x7f7f7f7f7f7f7f80L    # -2.937446524422997E-306

    and-long/2addr v2, v4

    const-wide/16 v4, 0x0

    cmp-long v2, v2, v4

    if-nez v2, :cond_18

    add-int/lit8 v0, v0, 0x8

    goto :goto_3

    .line 366
    :cond_18
    sub-int/2addr v0, p1

    return v0
.end method

.method private static incompleteStateFor(I)I
    .registers 2

    .prologue
    .line 191
    const/16 v0, -0xc

    if-le p0, v0, :cond_5

    const/4 p0, -0x1

    :cond_5
    return p0
.end method

.method private static incompleteStateFor(II)I
    .registers 3

    .prologue
    .line 196
    const/16 v0, -0xc

    if-gt p0, v0, :cond_8

    const/16 v0, -0x41

    if-le p1, v0, :cond_a

    :cond_8
    const/4 v0, -0x1

    :goto_9
    return v0

    :cond_a
    shl-int/lit8 v0, p1, 0x8

    xor-int/2addr v0, p0

    goto :goto_9
.end method

.method private static incompleteStateFor(III)I
    .registers 5

    .prologue
    const/16 v1, -0x41

    .line 202
    const/16 v0, -0xc

    if-gt p0, v0, :cond_a

    if-gt p1, v1, :cond_a

    if-le p2, v1, :cond_c

    :cond_a
    const/4 v0, -0x1

    :goto_b
    return v0

    :cond_c
    shl-int/lit8 v0, p1, 0x8

    xor-int/2addr v0, p0

    shl-int/lit8 v1, p2, 0x10

    xor-int/2addr v0, v1

    goto :goto_b
.end method

.method private static incompleteStateFor(Ljava/nio/ByteBuffer;III)I
    .registers 6

    .prologue
    .line 220
    packed-switch p3, :pswitch_data_26

    .line 228
    new-instance v0, Ljava/lang/AssertionError;

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

    throw v0

    .line 222
    :pswitch_9
    invoke-static {p1}, Lcom/google/protobuf/Utf8;->incompleteStateFor(I)I

    move-result v0

    .line 226
    :goto_d
    return v0

    .line 224
    :pswitch_e
    invoke-virtual {p0, p2}, Ljava/nio/ByteBuffer;->get(I)B

    move-result v0

    invoke-static {p1, v0}, Lcom/google/protobuf/Utf8;->incompleteStateFor(II)I

    move-result v0

    goto :goto_d

    .line 226
    :pswitch_17
    invoke-virtual {p0, p2}, Ljava/nio/ByteBuffer;->get(I)B

    move-result v0

    add-int/lit8 v1, p2, 0x1

    invoke-virtual {p0, v1}, Ljava/nio/ByteBuffer;->get(I)B

    move-result v1

    invoke-static {p1, v0, v1}, Lcom/google/protobuf/Utf8;->incompleteStateFor(III)I

    move-result v0

    goto :goto_d

    .line 220
    :pswitch_data_26
    .packed-switch 0x0
        :pswitch_9
        :pswitch_e
        :pswitch_17
    .end packed-switch
.end method

.method private static incompleteStateFor([BII)I
    .registers 6

    .prologue
    .line 209
    add-int/lit8 v0, p1, -0x1

    aget-byte v0, p0, v0

    .line 210
    sub-int v1, p2, p1

    packed-switch v1, :pswitch_data_26

    .line 214
    new-instance v0, Ljava/lang/AssertionError;

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

    throw v0

    .line 211
    :pswitch_f
    invoke-static {v0}, Lcom/google/protobuf/Utf8;->incompleteStateFor(I)I

    move-result v0

    .line 213
    :goto_13
    return v0

    .line 212
    :pswitch_14
    aget-byte v1, p0, p1

    invoke-static {v0, v1}, Lcom/google/protobuf/Utf8;->incompleteStateFor(II)I

    move-result v0

    goto :goto_13

    .line 213
    :pswitch_1b
    aget-byte v1, p0, p1

    add-int/lit8 v2, p1, 0x1

    aget-byte v2, p0, v2

    invoke-static {v0, v1, v2}, Lcom/google/protobuf/Utf8;->incompleteStateFor(III)I

    move-result v0

    goto :goto_13

    .line 210
    :pswitch_data_26
    .packed-switch 0x0
        :pswitch_f
        :pswitch_14
        :pswitch_1b
    .end packed-switch
.end method

.method static isValidUtf8(Ljava/nio/ByteBuffer;)Z
    .registers 4

    .prologue
    .line 318
    sget-object v0, Lcom/google/protobuf/Utf8;->processor:Lcom/google/protobuf/Utf8$Processor;

    invoke-virtual {p0}, Ljava/nio/ByteBuffer;->position()I

    move-result v1

    invoke-virtual {p0}, Ljava/nio/ByteBuffer;->remaining()I

    move-result v2

    invoke-virtual {v0, p0, v1, v2}, Lcom/google/protobuf/Utf8$Processor;->isValidUtf8(Ljava/nio/ByteBuffer;II)Z

    move-result v0

    return v0
.end method

.method public static isValidUtf8([B)Z
    .registers 4

    .prologue
    .line 152
    sget-object v0, Lcom/google/protobuf/Utf8;->processor:Lcom/google/protobuf/Utf8$Processor;

    const/4 v1, 0x0

    array-length v2, p0

    invoke-virtual {v0, p0, v1, v2}, Lcom/google/protobuf/Utf8$Processor;->isValidUtf8([BII)Z

    move-result v0

    return v0
.end method

.method public static isValidUtf8([BII)Z
    .registers 4

    .prologue
    .line 165
    sget-object v0, Lcom/google/protobuf/Utf8;->processor:Lcom/google/protobuf/Utf8$Processor;

    invoke-virtual {v0, p0, p1, p2}, Lcom/google/protobuf/Utf8$Processor;->isValidUtf8([BII)Z

    move-result v0

    return v0
.end method

.method static partialIsValidUtf8(ILjava/nio/ByteBuffer;II)I
    .registers 5

    .prologue
    .line 331
    sget-object v0, Lcom/google/protobuf/Utf8;->processor:Lcom/google/protobuf/Utf8$Processor;

    invoke-virtual {v0, p0, p1, p2, p3}, Lcom/google/protobuf/Utf8$Processor;->partialIsValidUtf8(ILjava/nio/ByteBuffer;II)I

    move-result v0

    return v0
.end method

.method public static partialIsValidUtf8(I[BII)I
    .registers 5

    .prologue
    .line 187
    sget-object v0, Lcom/google/protobuf/Utf8;->processor:Lcom/google/protobuf/Utf8$Processor;

    invoke-virtual {v0, p0, p1, p2, p3}, Lcom/google/protobuf/Utf8$Processor;->partialIsValidUtf8(I[BII)I

    move-result v0

    return v0
.end method