317 lines
6.5 KiB
Smali
317 lines
6.5 KiB
Smali
.class public final Lcom/google/zxing/maxicode/decoder/Decoder;
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.super Ljava/lang/Object;
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.source "Decoder.java"
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# static fields
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.field private static final ALL:I = 0x0
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.field private static final EVEN:I = 0x1
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.field private static final ODD:I = 0x2
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# instance fields
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.field private final rsDecoder:Lcom/google/zxing/common/reedsolomon/ReedSolomonDecoder;
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# direct methods
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.method public constructor <init>()V
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.locals 2
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.line 1
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invoke-direct {p0}, Ljava/lang/Object;-><init>()V
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.line 2
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new-instance v0, Lcom/google/zxing/common/reedsolomon/ReedSolomonDecoder;
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sget-object v1, Lcom/google/zxing/common/reedsolomon/GenericGF;->MAXICODE_FIELD_64:Lcom/google/zxing/common/reedsolomon/GenericGF;
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invoke-direct {v0, v1}, Lcom/google/zxing/common/reedsolomon/ReedSolomonDecoder;-><init>(Lcom/google/zxing/common/reedsolomon/GenericGF;)V
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iput-object v0, p0, Lcom/google/zxing/maxicode/decoder/Decoder;->rsDecoder:Lcom/google/zxing/common/reedsolomon/ReedSolomonDecoder;
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return-void
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.end method
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.method private correctErrors([BIIII)V
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.locals 7
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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 v0, p3, p4
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if-nez p5, :cond_0
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const/4 v1, 0x1
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goto :goto_0
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:cond_0
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const/4 v1, 0x2
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.line 1
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:goto_0
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div-int v2, v0, v1
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new-array v2, v2, [I
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const/4 v3, 0x0
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move v4, v3
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:goto_1
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if-lt v4, v0, :cond_4
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.line 2
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:try_start_0
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iget-object v0, p0, Lcom/google/zxing/maxicode/decoder/Decoder;->rsDecoder:Lcom/google/zxing/common/reedsolomon/ReedSolomonDecoder;
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div-int/2addr p4, v1
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invoke-virtual {v0, v2, p4}, Lcom/google/zxing/common/reedsolomon/ReedSolomonDecoder;->decode([II)V
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:try_end_0
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.catch Lcom/google/zxing/common/reedsolomon/ReedSolomonException; {:try_start_0 .. :try_end_0} :catch_0
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:goto_2
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if-lt v3, p3, :cond_1
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return-void
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:cond_1
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if-eqz p5, :cond_2
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.line 3
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rem-int/lit8 p4, v3, 0x2
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add-int/lit8 v0, p5, -0x1
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if-ne p4, v0, :cond_3
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:cond_2
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add-int p4, v3, p2
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.line 4
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div-int v0, v3, v1
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aget v0, v2, v0
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int-to-byte v0, v0
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aput-byte v0, p1, p4
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:cond_3
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add-int/lit8 v3, v3, 0x1
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goto :goto_2
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.line 5
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:catch_0
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invoke-static {}, Lcom/google/zxing/ChecksumException;->getChecksumInstance()Lcom/google/zxing/ChecksumException;
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move-result-object p1
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throw p1
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:cond_4
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if-eqz p5, :cond_5
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.line 6
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rem-int/lit8 v5, v4, 0x2
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add-int/lit8 v6, p5, -0x1
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if-ne v5, v6, :cond_6
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.line 7
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:cond_5
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div-int v5, v4, v1
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add-int v6, v4, p2
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aget-byte v6, p1, v6
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and-int/lit16 v6, v6, 0xff
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aput v6, v2, v5
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:cond_6
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add-int/lit8 v4, v4, 0x1
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goto :goto_1
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.end method
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# virtual methods
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.method public decode(Lcom/google/zxing/common/BitMatrix;)Lcom/google/zxing/common/DecoderResult;
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.locals 1
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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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Lcom/google/zxing/FormatException;
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}
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.end annotation
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const/4 v0, 0x0
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.line 1
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invoke-virtual {p0, p1, v0}, Lcom/google/zxing/maxicode/decoder/Decoder;->decode(Lcom/google/zxing/common/BitMatrix;Ljava/util/Map;)Lcom/google/zxing/common/DecoderResult;
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move-result-object p1
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return-object p1
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.end method
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.method public decode(Lcom/google/zxing/common/BitMatrix;Ljava/util/Map;)Lcom/google/zxing/common/DecoderResult;
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.locals 7
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.annotation system Ldalvik/annotation/Signature;
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value = {
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"(",
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"Lcom/google/zxing/common/BitMatrix;",
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"Ljava/util/Map<",
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"Lcom/google/zxing/DecodeHintType;",
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"*>;)",
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"Lcom/google/zxing/common/DecoderResult;"
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}
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.end annotation
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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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Lcom/google/zxing/ChecksumException;
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}
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.end annotation
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.line 2
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new-instance p2, Lcom/google/zxing/maxicode/decoder/BitMatrixParser;
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invoke-direct {p2, p1}, Lcom/google/zxing/maxicode/decoder/BitMatrixParser;-><init>(Lcom/google/zxing/common/BitMatrix;)V
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.line 3
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invoke-virtual {p2}, Lcom/google/zxing/maxicode/decoder/BitMatrixParser;->readCodewords()[B
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move-result-object p1
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const/4 v2, 0x0
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const/16 v3, 0xa
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const/16 v4, 0xa
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const/4 v5, 0x0
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move-object v0, p0
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move-object v1, p1
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.line 4
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invoke-direct/range {v0 .. v5}, Lcom/google/zxing/maxicode/decoder/Decoder;->correctErrors([BIIII)V
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const/4 p2, 0x0
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.line 5
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aget-byte v0, p1, p2
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and-int/lit8 v6, v0, 0xf
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const/4 v0, 0x2
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if-eq v6, v0, :cond_1
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const/4 v0, 0x3
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if-eq v6, v0, :cond_1
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const/4 v0, 0x4
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if-eq v6, v0, :cond_1
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const/4 v0, 0x5
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if-ne v6, v0, :cond_0
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const/16 v2, 0x14
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const/16 v3, 0x44
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const/16 v4, 0x38
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const/4 v5, 0x1
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move-object v0, p0
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move-object v1, p1
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.line 6
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invoke-direct/range {v0 .. v5}, Lcom/google/zxing/maxicode/decoder/Decoder;->correctErrors([BIIII)V
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const/4 v5, 0x2
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.line 7
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invoke-direct/range {v0 .. v5}, Lcom/google/zxing/maxicode/decoder/Decoder;->correctErrors([BIIII)V
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const/16 v0, 0x4e
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new-array v0, v0, [B
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goto :goto_0
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.line 8
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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 p1
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throw p1
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:cond_1
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const/16 v2, 0x14
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const/16 v3, 0x54
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const/16 v4, 0x28
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const/4 v5, 0x1
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move-object v0, p0
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move-object v1, p1
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.line 9
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invoke-direct/range {v0 .. v5}, Lcom/google/zxing/maxicode/decoder/Decoder;->correctErrors([BIIII)V
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const/4 v5, 0x2
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.line 10
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invoke-direct/range {v0 .. v5}, Lcom/google/zxing/maxicode/decoder/Decoder;->correctErrors([BIIII)V
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const/16 v0, 0x5e
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new-array v0, v0, [B
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:goto_0
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const/16 v1, 0xa
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.line 11
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invoke-static {p1, p2, v0, p2, v1}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V
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const/16 p2, 0x14
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.line 12
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array-length v2, v0
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sub-int/2addr v2, v1
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invoke-static {p1, p2, v0, v1, v2}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V
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.line 13
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invoke-static {v0, v6}, Lcom/google/zxing/maxicode/decoder/DecodedBitStreamParser;->decode([BI)Lcom/google/zxing/common/DecoderResult;
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move-result-object p1
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return-object p1
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.end method
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