345 lines
8.0 KiB
Smali
345 lines
8.0 KiB
Smali
.class public final Lcom/google/zxing/qrcode/decoder/Decoder;
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.super Ljava/lang/Object;
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.source "Decoder.java"
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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;->QR_CODE_FIELD_256: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/qrcode/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([BI)V
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.locals 5
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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 1
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array-length v0, p1
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.line 2
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new-array v1, v0, [I
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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-lt v3, v0, :cond_1
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.line 3
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array-length v0, p1
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sub-int/2addr v0, p2
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.line 4
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:try_start_0
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iget-object v3, p0, Lcom/google/zxing/qrcode/decoder/Decoder;->rsDecoder:Lcom/google/zxing/common/reedsolomon/ReedSolomonDecoder;
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invoke-virtual {v3, v1, v0}, 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_1
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if-lt v2, p2, :cond_0
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return-void
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.line 5
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:cond_0
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aget v0, v1, v2
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int-to-byte v0, v0
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aput-byte v0, p1, v2
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add-int/lit8 v2, v2, 0x1
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goto :goto_1
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.line 6
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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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.line 7
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:cond_1
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aget-byte v4, p1, v3
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and-int/lit16 v4, v4, 0xff
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aput v4, v1, v3
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add-int/lit8 v3, v3, 0x1
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goto :goto_0
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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 7
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invoke-virtual {p0, p1, v0}, Lcom/google/zxing/qrcode/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 12
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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 8
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new-instance v0, Lcom/google/zxing/qrcode/decoder/BitMatrixParser;
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invoke-direct {v0, p1}, Lcom/google/zxing/qrcode/decoder/BitMatrixParser;-><init>(Lcom/google/zxing/common/BitMatrix;)V
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.line 9
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invoke-virtual {v0}, Lcom/google/zxing/qrcode/decoder/BitMatrixParser;->readVersion()Lcom/google/zxing/qrcode/decoder/Version;
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move-result-object p1
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.line 10
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invoke-virtual {v0}, Lcom/google/zxing/qrcode/decoder/BitMatrixParser;->readFormatInformation()Lcom/google/zxing/qrcode/decoder/FormatInformation;
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move-result-object v1
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invoke-virtual {v1}, Lcom/google/zxing/qrcode/decoder/FormatInformation;->getErrorCorrectionLevel()Lcom/google/zxing/qrcode/decoder/ErrorCorrectionLevel;
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move-result-object v1
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.line 11
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invoke-virtual {v0}, Lcom/google/zxing/qrcode/decoder/BitMatrixParser;->readCodewords()[B
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move-result-object v0
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.line 12
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invoke-static {v0, p1, v1}, Lcom/google/zxing/qrcode/decoder/DataBlock;->getDataBlocks([BLcom/google/zxing/qrcode/decoder/Version;Lcom/google/zxing/qrcode/decoder/ErrorCorrectionLevel;)[Lcom/google/zxing/qrcode/decoder/DataBlock;
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move-result-object v0
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.line 13
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array-length v2, v0
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const/4 v3, 0x0
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move v4, v3
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move v5, v4
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:goto_0
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if-lt v4, v2, :cond_2
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.line 14
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new-array v6, v5, [B
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.line 15
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array-length v7, v0
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move v2, v3
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move v8, v2
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:goto_1
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if-lt v8, v7, :cond_0
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.line 16
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invoke-static {v6, p1, v1, p2}, Lcom/google/zxing/qrcode/decoder/DecodedBitStreamParser;->decode([BLcom/google/zxing/qrcode/decoder/Version;Lcom/google/zxing/qrcode/decoder/ErrorCorrectionLevel;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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.line 17
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:cond_0
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aget-object v4, v0, v8
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.line 18
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invoke-virtual {v4}, Lcom/google/zxing/qrcode/decoder/DataBlock;->getCodewords()[B
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move-result-object v9
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.line 19
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invoke-virtual {v4}, Lcom/google/zxing/qrcode/decoder/DataBlock;->getNumDataCodewords()I
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move-result v10
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.line 20
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invoke-direct {p0, v9, v10}, Lcom/google/zxing/qrcode/decoder/Decoder;->correctErrors([BI)V
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move v4, v3
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:goto_2
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if-lt v4, v10, :cond_1
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add-int/lit8 v8, v8, 0x1
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goto :goto_1
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:cond_1
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add-int/lit8 v5, v2, 0x1
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.line 21
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aget-byte v11, v9, v4
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aput-byte v11, v6, v2
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add-int/lit8 v4, v4, 0x1
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move v2, v5
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goto :goto_2
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.line 22
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:cond_2
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aget-object v6, v0, v4
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.line 23
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invoke-virtual {v6}, Lcom/google/zxing/qrcode/decoder/DataBlock;->getNumDataCodewords()I
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move-result v6
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add-int/2addr v5, v6
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add-int/lit8 v4, v4, 0x1
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goto :goto_0
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.end method
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.method public decode([[Z)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/qrcode/decoder/Decoder;->decode([[ZLjava/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([[ZLjava/util/Map;)Lcom/google/zxing/common/DecoderResult;
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.locals 6
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.annotation system Ldalvik/annotation/Signature;
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value = {
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"([[Z",
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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/ChecksumException;,
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Lcom/google/zxing/FormatException;
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}
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.end annotation
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.line 2
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array-length v0, p1
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.line 3
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new-instance v1, Lcom/google/zxing/common/BitMatrix;
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invoke-direct {v1, v0}, Lcom/google/zxing/common/BitMatrix;-><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-lt v3, v0, :cond_0
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.line 4
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invoke-virtual {p0, v1, p2}, Lcom/google/zxing/qrcode/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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:cond_0
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move v4, v2
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:goto_1
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if-lt v4, v0, :cond_1
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add-int/lit8 v3, v3, 0x1
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goto :goto_0
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.line 5
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:cond_1
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aget-object v5, p1, v3
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aget-boolean v5, v5, v4
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if-eqz v5, :cond_2
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.line 6
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invoke-virtual {v1, v4, v3}, Lcom/google/zxing/common/BitMatrix;->set(II)V
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:cond_2
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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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