998 lines
18 KiB
Smali
998 lines
18 KiB
Smali
.class public final Lcom/google/zxing/oned/Code93Reader;
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.super Lcom/google/zxing/oned/OneDReader;
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.source "Code93Reader.java"
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# static fields
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.field private static final ALPHABET:[C
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.field static final ALPHABET_STRING:Ljava/lang/String; = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ-. $/+%abcd*"
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.field static final ASTERISK_ENCODING:I
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.field static final CHARACTER_ENCODINGS:[I
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# instance fields
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.field private final counters:[I
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.field private final decodeRowResult:Ljava/lang/StringBuilder;
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# direct methods
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.method static constructor <clinit>()V
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.locals 2
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const-string v0, "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ-. $/+%abcd*"
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.line 41
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invoke-virtual {v0}, Ljava/lang/String;->toCharArray()[C
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move-result-object v0
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sput-object v0, Lcom/google/zxing/oned/Code93Reader;->ALPHABET:[C
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const/16 v0, 0x30
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new-array v0, v0, [I
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.line 47
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fill-array-data v0, :array_0
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.line 55
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sput-object v0, Lcom/google/zxing/oned/Code93Reader;->CHARACTER_ENCODINGS:[I
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const/16 v1, 0x2f
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aget v0, v0, v1
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sput v0, Lcom/google/zxing/oned/Code93Reader;->ASTERISK_ENCODING:I
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return-void
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:array_0
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.array-data 4
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0x114
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0x148
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0x144
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0x142
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0x128
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0x124
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0x122
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0x150
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0x112
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0x10a
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0x1a8
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0x1a4
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0x1a2
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0x194
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0x192
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0x18a
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0x168
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0x164
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0x162
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0x134
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0x11a
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0x158
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0x14c
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0x146
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0x12c
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0x116
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0x1b4
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0x1b2
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0x1ac
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0x1a6
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0x196
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0x19a
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0x16c
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0x166
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0x136
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0x13a
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0x12e
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0x1d4
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0x1d2
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0x1ca
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0x16e
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0x176
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0x1ae
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0x126
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0x1da
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0x1d6
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0x132
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0x15e
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.end array-data
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.end method
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.method public constructor <init>()V
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.locals 2
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.line 60
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invoke-direct {p0}, Lcom/google/zxing/oned/OneDReader;-><init>()V
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.line 61
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new-instance v0, Ljava/lang/StringBuilder;
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const/16 v1, 0x14
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invoke-direct {v0, v1}, Ljava/lang/StringBuilder;-><init>(I)V
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iput-object v0, p0, Lcom/google/zxing/oned/Code93Reader;->decodeRowResult:Ljava/lang/StringBuilder;
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const/4 v0, 0x6
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new-array v0, v0, [I
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.line 62
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iput-object v0, p0, Lcom/google/zxing/oned/Code93Reader;->counters:[I
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return-void
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.end method
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.method private static checkChecksums(Ljava/lang/CharSequence;)V
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.locals 3
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.annotation system Ldalvik/annotation/Throws;
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value = {
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Lcom/google/zxing/ChecksumException;
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}
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.end annotation
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.line 276
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invoke-interface {p0}, Ljava/lang/CharSequence;->length()I
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move-result v0
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add-int/lit8 v1, v0, -0x2
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const/16 v2, 0x14
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.line 277
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invoke-static {p0, v1, v2}, Lcom/google/zxing/oned/Code93Reader;->checkOneChecksum(Ljava/lang/CharSequence;II)V
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add-int/lit8 v0, v0, -0x1
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const/16 v1, 0xf
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.line 278
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invoke-static {p0, v0, v1}, Lcom/google/zxing/oned/Code93Reader;->checkOneChecksum(Ljava/lang/CharSequence;II)V
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return-void
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.end method
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.method private static checkOneChecksum(Ljava/lang/CharSequence;II)V
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.locals 6
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.annotation system Ldalvik/annotation/Throws;
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value = {
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Lcom/google/zxing/ChecksumException;
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}
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.end annotation
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add-int/lit8 v0, p1, -0x1
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const/4 v1, 0x1
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const/4 v2, 0x0
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move v3, v1
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:goto_0
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if-ltz v0, :cond_1
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.line 286
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invoke-interface {p0, v0}, Ljava/lang/CharSequence;->charAt(I)C
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move-result v4
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const-string v5, "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ-. $/+%abcd*"
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invoke-virtual {v5, v4}, Ljava/lang/String;->indexOf(I)I
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move-result v4
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mul-int/2addr v4, v3
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add-int/2addr v2, v4
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add-int/2addr v3, v1
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if-le v3, p2, :cond_0
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move v3, v1
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:cond_0
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add-int/lit8 v0, v0, -0x1
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goto :goto_0
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.line 291
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:cond_1
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invoke-interface {p0, p1}, Ljava/lang/CharSequence;->charAt(I)C
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move-result p0
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sget-object p1, Lcom/google/zxing/oned/Code93Reader;->ALPHABET:[C
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rem-int/lit8 v2, v2, 0x2f
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aget-char p1, p1, v2
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if-ne p0, p1, :cond_2
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return-void
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.line 292
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:cond_2
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invoke-static {}, Lcom/google/zxing/ChecksumException;->getChecksumInstance()Lcom/google/zxing/ChecksumException;
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move-result-object p0
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throw p0
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.end method
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.method private static decodeExtended(Ljava/lang/CharSequence;)Ljava/lang/String;
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.locals 9
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.annotation system Ldalvik/annotation/Throws;
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value = {
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Lcom/google/zxing/FormatException;
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}
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.end annotation
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.line 198
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invoke-interface {p0}, Ljava/lang/CharSequence;->length()I
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move-result v0
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.line 199
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new-instance v1, Ljava/lang/StringBuilder;
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invoke-direct {v1, v0}, Ljava/lang/StringBuilder;-><init>(I)V
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const/4 v2, 0x0
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move v3, v2
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:goto_0
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if-ge v3, v0, :cond_e
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.line 201
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invoke-interface {p0, v3}, Ljava/lang/CharSequence;->charAt(I)C
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move-result v4
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const/16 v5, 0x61
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if-lt v4, v5, :cond_d
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const/16 v5, 0x64
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if-gt v4, v5, :cond_d
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add-int/lit8 v5, v0, -0x1
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if-ge v3, v5, :cond_c
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add-int/lit8 v3, v3, 0x1
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.line 206
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invoke-interface {p0, v3}, Ljava/lang/CharSequence;->charAt(I)C
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move-result v5
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const/16 v6, 0x4f
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const/16 v7, 0x5a
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const/16 v8, 0x41
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packed-switch v4, :pswitch_data_0
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:goto_1
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move v4, v2
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goto/16 :goto_3
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:pswitch_0
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if-lt v5, v8, :cond_0
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if-gt v5, v7, :cond_0
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add-int/lit8 v5, v5, 0x20
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goto/16 :goto_2
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.line 214
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:cond_0
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invoke-static {}, Lcom/google/zxing/FormatException;->getFormatInstance()Lcom/google/zxing/FormatException;
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move-result-object p0
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throw p0
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:pswitch_1
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if-lt v5, v8, :cond_1
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if-gt v5, v6, :cond_1
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add-int/lit8 v5, v5, -0x20
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goto :goto_2
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:cond_1
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if-ne v5, v7, :cond_2
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const/16 v4, 0x3a
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goto :goto_3
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.line 261
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:cond_2
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invoke-static {}, Lcom/google/zxing/FormatException;->getFormatInstance()Lcom/google/zxing/FormatException;
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move-result-object p0
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throw p0
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:pswitch_2
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if-lt v5, v8, :cond_3
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const/16 v4, 0x45
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if-gt v5, v4, :cond_3
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add-int/lit8 v5, v5, -0x26
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goto :goto_2
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:cond_3
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const/16 v4, 0x46
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if-lt v5, v4, :cond_4
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const/16 v4, 0x4a
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if-gt v5, v4, :cond_4
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add-int/lit8 v5, v5, -0xb
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goto :goto_2
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:cond_4
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const/16 v4, 0x4b
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if-lt v5, v4, :cond_5
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if-gt v5, v6, :cond_5
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add-int/lit8 v5, v5, 0x10
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goto :goto_2
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:cond_5
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const/16 v4, 0x50
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if-lt v5, v4, :cond_6
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const/16 v4, 0x54
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if-gt v5, v4, :cond_6
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add-int/lit8 v5, v5, 0x2b
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goto :goto_2
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:cond_6
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const/16 v4, 0x55
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if-ne v5, v4, :cond_7
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goto :goto_1
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:cond_7
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const/16 v4, 0x56
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if-ne v5, v4, :cond_8
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const/16 v4, 0x40
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goto :goto_3
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:cond_8
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const/16 v4, 0x57
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if-ne v5, v4, :cond_9
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const/16 v4, 0x60
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goto :goto_3
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:cond_9
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const/16 v4, 0x58
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if-lt v5, v4, :cond_a
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if-gt v5, v7, :cond_a
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const/16 v4, 0x7f
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goto :goto_3
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.line 251
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:cond_a
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invoke-static {}, Lcom/google/zxing/FormatException;->getFormatInstance()Lcom/google/zxing/FormatException;
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move-result-object p0
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throw p0
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:pswitch_3
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if-lt v5, v8, :cond_b
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if-gt v5, v7, :cond_b
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add-int/lit8 v5, v5, -0x40
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:goto_2
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int-to-char v4, v5
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goto :goto_3
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.line 222
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:cond_b
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invoke-static {}, Lcom/google/zxing/FormatException;->getFormatInstance()Lcom/google/zxing/FormatException;
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move-result-object p0
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throw p0
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.line 265
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:goto_3
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invoke-virtual {v1, v4}, Ljava/lang/StringBuilder;->append(C)Ljava/lang/StringBuilder;
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goto :goto_4
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.line 204
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:cond_c
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invoke-static {}, Lcom/google/zxing/FormatException;->getFormatInstance()Lcom/google/zxing/FormatException;
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move-result-object p0
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throw p0
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.line 269
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:cond_d
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invoke-virtual {v1, v4}, Ljava/lang/StringBuilder;->append(C)Ljava/lang/StringBuilder;
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:goto_4
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add-int/lit8 v3, v3, 0x1
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goto/16 :goto_0
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.line 272
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:cond_e
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invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;
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move-result-object p0
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return-object p0
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:pswitch_data_0
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.packed-switch 0x61
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:pswitch_3
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:pswitch_2
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:pswitch_1
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:pswitch_0
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.end packed-switch
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.end method
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.method private findAsteriskPattern(Lcom/google/zxing/common/BitArray;)[I
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.locals 12
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.annotation system Ldalvik/annotation/Throws;
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value = {
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Lcom/google/zxing/NotFoundException;
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}
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.end annotation
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.line 132
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invoke-virtual {p1}, Lcom/google/zxing/common/BitArray;->getSize()I
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move-result v0
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const/4 v1, 0x0
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.line 133
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invoke-virtual {p1, v1}, Lcom/google/zxing/common/BitArray;->getNextSet(I)I
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move-result v2
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.line 135
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iget-object v3, p0, Lcom/google/zxing/oned/Code93Reader;->counters:[I
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invoke-static {v3, v1}, Ljava/util/Arrays;->fill([II)V
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.line 136
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iget-object v3, p0, Lcom/google/zxing/oned/Code93Reader;->counters:[I
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.line 139
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array-length v4, v3
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move v6, v1
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move v7, v6
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move v5, v2
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:goto_0
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if-ge v2, v0, :cond_3
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.line 143
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invoke-virtual {p1, v2}, Lcom/google/zxing/common/BitArray;->get(I)Z
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move-result v8
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const/4 v9, 0x1
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if-eq v8, v6, :cond_0
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.line 144
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aget v8, v3, v7
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add-int/2addr v8, v9
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aput v8, v3, v7
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goto :goto_2
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:cond_0
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add-int/lit8 v8, v4, -0x1
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if-ne v7, v8, :cond_2
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.line 147
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invoke-static {v3}, Lcom/google/zxing/oned/Code93Reader;->toPattern([I)I
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move-result v8
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sget v10, Lcom/google/zxing/oned/Code93Reader;->ASTERISK_ENCODING:I
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const/4 v11, 0x2
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if-ne v8, v10, :cond_1
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new-array p1, v11, [I
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aput v5, p1, v1
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aput v2, p1, v9
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return-object p1
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.line 150
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:cond_1
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aget v8, v3, v1
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aget v10, v3, v9
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add-int/2addr v8, v10
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add-int/2addr v5, v8
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add-int/lit8 v8, v7, -0x1
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.line 151
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invoke-static {v3, v11, v3, v1, v8}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V
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.line 152
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aput v1, v3, v8
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.line 153
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aput v1, v3, v7
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add-int/lit8 v7, v7, -0x1
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goto :goto_1
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:cond_2
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add-int/lit8 v7, v7, 0x1
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.line 158
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:goto_1
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aput v9, v3, v7
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xor-int/lit8 v6, v6, 0x1
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:goto_2
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add-int/lit8 v2, v2, 0x1
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goto :goto_0
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.line 162
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:cond_3
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invoke-static {}, Lcom/google/zxing/NotFoundException;->getNotFoundInstance()Lcom/google/zxing/NotFoundException;
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move-result-object p1
|
|
|
|
throw p1
|
|
.end method
|
|
|
|
.method private static patternToChar(I)C
|
|
.locals 3
|
|
.annotation system Ldalvik/annotation/Throws;
|
|
value = {
|
|
Lcom/google/zxing/NotFoundException;
|
|
}
|
|
.end annotation
|
|
|
|
const/4 v0, 0x0
|
|
|
|
.line 189
|
|
:goto_0
|
|
sget-object v1, Lcom/google/zxing/oned/Code93Reader;->CHARACTER_ENCODINGS:[I
|
|
|
|
array-length v2, v1
|
|
|
|
if-ge v0, v2, :cond_1
|
|
|
|
.line 190
|
|
aget v1, v1, v0
|
|
|
|
if-ne v1, p0, :cond_0
|
|
|
|
.line 191
|
|
sget-object p0, Lcom/google/zxing/oned/Code93Reader;->ALPHABET:[C
|
|
|
|
aget-char p0, p0, v0
|
|
|
|
return p0
|
|
|
|
:cond_0
|
|
add-int/lit8 v0, v0, 0x1
|
|
|
|
goto :goto_0
|
|
|
|
.line 194
|
|
:cond_1
|
|
invoke-static {}, Lcom/google/zxing/NotFoundException;->getNotFoundInstance()Lcom/google/zxing/NotFoundException;
|
|
|
|
move-result-object p0
|
|
|
|
throw p0
|
|
.end method
|
|
|
|
.method private static toPattern([I)I
|
|
.locals 7
|
|
|
|
.line 167
|
|
array-length v0, p0
|
|
|
|
const/4 v1, 0x0
|
|
|
|
move v2, v1
|
|
|
|
move v3, v2
|
|
|
|
:goto_0
|
|
if-ge v2, v0, :cond_0
|
|
|
|
aget v4, p0, v2
|
|
|
|
add-int/2addr v3, v4
|
|
|
|
add-int/lit8 v2, v2, 0x1
|
|
|
|
goto :goto_0
|
|
|
|
.line 171
|
|
:cond_0
|
|
array-length v0, p0
|
|
|
|
move v2, v1
|
|
|
|
move v4, v2
|
|
|
|
:goto_1
|
|
if-ge v2, v0, :cond_5
|
|
|
|
.line 173
|
|
aget v5, p0, v2
|
|
|
|
int-to-float v5, v5
|
|
|
|
const/high16 v6, 0x41100000 # 9.0f
|
|
|
|
mul-float/2addr v5, v6
|
|
|
|
int-to-float v6, v3
|
|
|
|
div-float/2addr v5, v6
|
|
|
|
invoke-static {v5}, Ljava/lang/Math;->round(F)I
|
|
|
|
move-result v5
|
|
|
|
if-lez v5, :cond_4
|
|
|
|
const/4 v6, 0x4
|
|
|
|
if-le v5, v6, :cond_1
|
|
|
|
goto :goto_3
|
|
|
|
:cond_1
|
|
and-int/lit8 v6, v2, 0x1
|
|
|
|
if-nez v6, :cond_2
|
|
|
|
move v6, v1
|
|
|
|
:goto_2
|
|
if-ge v6, v5, :cond_3
|
|
|
|
shl-int/lit8 v4, v4, 0x1
|
|
|
|
or-int/lit8 v4, v4, 0x1
|
|
|
|
add-int/lit8 v6, v6, 0x1
|
|
|
|
goto :goto_2
|
|
|
|
:cond_2
|
|
shl-int/2addr v4, v5
|
|
|
|
:cond_3
|
|
add-int/lit8 v2, v2, 0x1
|
|
|
|
goto :goto_1
|
|
|
|
:cond_4
|
|
:goto_3
|
|
const/4 p0, -0x1
|
|
|
|
return p0
|
|
|
|
:cond_5
|
|
return v4
|
|
.end method
|
|
|
|
|
|
# virtual methods
|
|
.method public decodeRow(ILcom/google/zxing/common/BitArray;Ljava/util/Map;)Lcom/google/zxing/Result;
|
|
.locals 11
|
|
.annotation system Ldalvik/annotation/Signature;
|
|
value = {
|
|
"(I",
|
|
"Lcom/google/zxing/common/BitArray;",
|
|
"Ljava/util/Map<",
|
|
"Lcom/google/zxing/DecodeHintType;",
|
|
"*>;)",
|
|
"Lcom/google/zxing/Result;"
|
|
}
|
|
.end annotation
|
|
|
|
.annotation system Ldalvik/annotation/Throws;
|
|
value = {
|
|
Lcom/google/zxing/NotFoundException;,
|
|
Lcom/google/zxing/ChecksumException;,
|
|
Lcom/google/zxing/FormatException;
|
|
}
|
|
.end annotation
|
|
|
|
.line 69
|
|
invoke-direct {p0, p2}, Lcom/google/zxing/oned/Code93Reader;->findAsteriskPattern(Lcom/google/zxing/common/BitArray;)[I
|
|
|
|
move-result-object p3
|
|
|
|
const/4 v0, 0x1
|
|
|
|
.line 71
|
|
aget v1, p3, v0
|
|
|
|
invoke-virtual {p2, v1}, Lcom/google/zxing/common/BitArray;->getNextSet(I)I
|
|
|
|
move-result v1
|
|
|
|
.line 72
|
|
invoke-virtual {p2}, Lcom/google/zxing/common/BitArray;->getSize()I
|
|
|
|
move-result v2
|
|
|
|
.line 74
|
|
iget-object v3, p0, Lcom/google/zxing/oned/Code93Reader;->counters:[I
|
|
|
|
const/4 v4, 0x0
|
|
|
|
.line 75
|
|
invoke-static {v3, v4}, Ljava/util/Arrays;->fill([II)V
|
|
|
|
.line 76
|
|
iget-object v5, p0, Lcom/google/zxing/oned/Code93Reader;->decodeRowResult:Ljava/lang/StringBuilder;
|
|
|
|
.line 77
|
|
invoke-virtual {v5, v4}, Ljava/lang/StringBuilder;->setLength(I)V
|
|
|
|
.line 82
|
|
:goto_0
|
|
invoke-static {p2, v1, v3}, Lcom/google/zxing/oned/Code93Reader;->recordPattern(Lcom/google/zxing/common/BitArray;I[I)V
|
|
|
|
.line 83
|
|
invoke-static {v3}, Lcom/google/zxing/oned/Code93Reader;->toPattern([I)I
|
|
|
|
move-result v6
|
|
|
|
if-ltz v6, :cond_5
|
|
|
|
.line 87
|
|
invoke-static {v6}, Lcom/google/zxing/oned/Code93Reader;->patternToChar(I)C
|
|
|
|
move-result v6
|
|
|
|
.line 88
|
|
invoke-virtual {v5, v6}, Ljava/lang/StringBuilder;->append(C)Ljava/lang/StringBuilder;
|
|
|
|
.line 90
|
|
array-length v7, v3
|
|
|
|
move v9, v1
|
|
|
|
move v8, v4
|
|
|
|
:goto_1
|
|
if-ge v8, v7, :cond_0
|
|
|
|
aget v10, v3, v8
|
|
|
|
add-int/2addr v9, v10
|
|
|
|
add-int/lit8 v8, v8, 0x1
|
|
|
|
goto :goto_1
|
|
|
|
.line 94
|
|
:cond_0
|
|
invoke-virtual {p2, v9}, Lcom/google/zxing/common/BitArray;->getNextSet(I)I
|
|
|
|
move-result v7
|
|
|
|
const/16 v8, 0x2a
|
|
|
|
if-ne v6, v8, :cond_4
|
|
|
|
.line 96
|
|
invoke-virtual {v5}, Ljava/lang/StringBuilder;->length()I
|
|
|
|
move-result v6
|
|
|
|
sub-int/2addr v6, v0
|
|
|
|
invoke-virtual {v5, v6}, Ljava/lang/StringBuilder;->deleteCharAt(I)Ljava/lang/StringBuilder;
|
|
|
|
.line 99
|
|
array-length v6, v3
|
|
|
|
move v8, v4
|
|
|
|
move v9, v8
|
|
|
|
:goto_2
|
|
if-ge v8, v6, :cond_1
|
|
|
|
aget v10, v3, v8
|
|
|
|
add-int/2addr v9, v10
|
|
|
|
add-int/lit8 v8, v8, 0x1
|
|
|
|
goto :goto_2
|
|
|
|
:cond_1
|
|
if-eq v7, v2, :cond_3
|
|
|
|
.line 104
|
|
invoke-virtual {p2, v7}, Lcom/google/zxing/common/BitArray;->get(I)Z
|
|
|
|
move-result p2
|
|
|
|
if-eqz p2, :cond_3
|
|
|
|
.line 108
|
|
invoke-virtual {v5}, Ljava/lang/StringBuilder;->length()I
|
|
|
|
move-result p2
|
|
|
|
const/4 v2, 0x2
|
|
|
|
if-lt p2, v2, :cond_2
|
|
|
|
.line 113
|
|
invoke-static {v5}, Lcom/google/zxing/oned/Code93Reader;->checkChecksums(Ljava/lang/CharSequence;)V
|
|
|
|
.line 115
|
|
invoke-virtual {v5}, Ljava/lang/StringBuilder;->length()I
|
|
|
|
move-result p2
|
|
|
|
sub-int/2addr p2, v2
|
|
|
|
invoke-virtual {v5, p2}, Ljava/lang/StringBuilder;->setLength(I)V
|
|
|
|
.line 117
|
|
invoke-static {v5}, Lcom/google/zxing/oned/Code93Reader;->decodeExtended(Ljava/lang/CharSequence;)Ljava/lang/String;
|
|
|
|
move-result-object p2
|
|
|
|
.line 119
|
|
aget v3, p3, v0
|
|
|
|
aget p3, p3, v4
|
|
|
|
add-int/2addr v3, p3
|
|
|
|
int-to-float p3, v3
|
|
|
|
const/high16 v3, 0x40000000 # 2.0f
|
|
|
|
div-float/2addr p3, v3
|
|
|
|
int-to-float v1, v1
|
|
|
|
int-to-float v5, v9
|
|
|
|
div-float/2addr v5, v3
|
|
|
|
add-float/2addr v1, v5
|
|
|
|
.line 121
|
|
new-instance v3, Lcom/google/zxing/Result;
|
|
|
|
const/4 v5, 0x0
|
|
|
|
new-array v2, v2, [Lcom/google/zxing/ResultPoint;
|
|
|
|
new-instance v6, Lcom/google/zxing/ResultPoint;
|
|
|
|
int-to-float p1, p1
|
|
|
|
invoke-direct {v6, p3, p1}, Lcom/google/zxing/ResultPoint;-><init>(FF)V
|
|
|
|
aput-object v6, v2, v4
|
|
|
|
new-instance p3, Lcom/google/zxing/ResultPoint;
|
|
|
|
invoke-direct {p3, v1, p1}, Lcom/google/zxing/ResultPoint;-><init>(FF)V
|
|
|
|
aput-object p3, v2, v0
|
|
|
|
sget-object p1, Lcom/google/zxing/BarcodeFormat;->CODE_93:Lcom/google/zxing/BarcodeFormat;
|
|
|
|
invoke-direct {v3, p2, v5, v2, p1}, Lcom/google/zxing/Result;-><init>(Ljava/lang/String;[B[Lcom/google/zxing/ResultPoint;Lcom/google/zxing/BarcodeFormat;)V
|
|
|
|
return-object v3
|
|
|
|
.line 110
|
|
:cond_2
|
|
invoke-static {}, Lcom/google/zxing/NotFoundException;->getNotFoundInstance()Lcom/google/zxing/NotFoundException;
|
|
|
|
move-result-object p1
|
|
|
|
throw p1
|
|
|
|
.line 105
|
|
:cond_3
|
|
invoke-static {}, Lcom/google/zxing/NotFoundException;->getNotFoundInstance()Lcom/google/zxing/NotFoundException;
|
|
|
|
move-result-object p1
|
|
|
|
throw p1
|
|
|
|
:cond_4
|
|
move v1, v7
|
|
|
|
goto/16 :goto_0
|
|
|
|
.line 85
|
|
:cond_5
|
|
invoke-static {}, Lcom/google/zxing/NotFoundException;->getNotFoundInstance()Lcom/google/zxing/NotFoundException;
|
|
|
|
move-result-object p1
|
|
|
|
throw p1
|
|
.end method
|