448 lines
11 KiB
Smali
448 lines
11 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 40
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invoke-direct {p0}, Ljava/lang/Object;-><init>()V
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.line 41
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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 184
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array-length v0, p1
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.line 186
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new-array v1, v0, [I
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const/4 v2, 0x0
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const/4 v3, 0x0
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:goto_0
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if-ge v3, v0, :cond_0
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.line 188
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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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.line 191
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:cond_0
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:try_start_0
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iget-object v0, p0, Lcom/google/zxing/qrcode/decoder/Decoder;->rsDecoder:Lcom/google/zxing/common/reedsolomon/ReedSolomonDecoder;
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array-length v3, p1
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sub-int/2addr v3, p2
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invoke-virtual {v0, v1, v3}, 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-ge v2, p2, :cond_1
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.line 198
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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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:cond_1
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return-void
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.line 193
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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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.end method
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.method private decode(Lcom/google/zxing/qrcode/decoder/BitMatrixParser;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/qrcode/decoder/BitMatrixParser;",
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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 145
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invoke-virtual {p1}, Lcom/google/zxing/qrcode/decoder/BitMatrixParser;->readVersion()Lcom/google/zxing/qrcode/decoder/Version;
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move-result-object v0
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.line 146
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invoke-virtual {p1}, 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 149
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invoke-virtual {p1}, Lcom/google/zxing/qrcode/decoder/BitMatrixParser;->readCodewords()[B
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move-result-object p1
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.line 151
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invoke-static {p1, v0, 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 p1
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.line 155
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array-length v2, p1
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const/4 v3, 0x0
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const/4 v4, 0x0
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const/4 v5, 0x0
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:goto_0
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if-ge v4, v2, :cond_0
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aget-object v6, p1, v4
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.line 156
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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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.line 158
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:cond_0
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new-array v2, v5, [B
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.line 162
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array-length v4, p1
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const/4 v5, 0x0
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const/4 v6, 0x0
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:goto_1
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if-ge v5, v4, :cond_2
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aget-object v7, p1, v5
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.line 163
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invoke-virtual {v7}, Lcom/google/zxing/qrcode/decoder/DataBlock;->getCodewords()[B
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move-result-object v8
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.line 164
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invoke-virtual {v7}, Lcom/google/zxing/qrcode/decoder/DataBlock;->getNumDataCodewords()I
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move-result v7
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.line 165
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invoke-direct {p0, v8, v7}, Lcom/google/zxing/qrcode/decoder/Decoder;->correctErrors([BI)V
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move v9, v6
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const/4 v6, 0x0
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:goto_2
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if-ge v6, v7, :cond_1
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add-int/lit8 v10, v9, 0x1
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.line 167
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aget-byte v11, v8, v6
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aput-byte v11, v2, v9
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add-int/lit8 v6, v6, 0x1
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move v9, v10
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goto :goto_2
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:cond_1
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add-int/lit8 v5, v5, 0x1
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move v6, v9
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goto :goto_1
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.line 172
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:cond_2
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invoke-static {v2, v0, 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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.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 73
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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 4
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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 89
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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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const/4 p1, 0x0
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.line 93
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:try_start_0
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invoke-direct {p0, v0, p2}, Lcom/google/zxing/qrcode/decoder/Decoder;->decode(Lcom/google/zxing/qrcode/decoder/BitMatrixParser;Ljava/util/Map;)Lcom/google/zxing/common/DecoderResult;
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move-result-object v1
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:try_end_0
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.catch Lcom/google/zxing/FormatException; {:try_start_0 .. :try_end_0} :catch_1
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.catch Lcom/google/zxing/ChecksumException; {:try_start_0 .. :try_end_0} :catch_0
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return-object v1
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:catch_0
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move-exception v1
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goto :goto_0
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:catch_1
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move-exception v1
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move-object v3, v1
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move-object v1, p1
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move-object p1, v3
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.line 103
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:goto_0
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:try_start_1
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invoke-virtual {v0}, Lcom/google/zxing/qrcode/decoder/BitMatrixParser;->remask()V
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const/4 v2, 0x1
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.line 106
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invoke-virtual {v0, v2}, Lcom/google/zxing/qrcode/decoder/BitMatrixParser;->setMirror(Z)V
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.line 109
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invoke-virtual {v0}, Lcom/google/zxing/qrcode/decoder/BitMatrixParser;->readVersion()Lcom/google/zxing/qrcode/decoder/Version;
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.line 112
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invoke-virtual {v0}, Lcom/google/zxing/qrcode/decoder/BitMatrixParser;->readFormatInformation()Lcom/google/zxing/qrcode/decoder/FormatInformation;
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.line 121
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invoke-virtual {v0}, Lcom/google/zxing/qrcode/decoder/BitMatrixParser;->mirror()V
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.line 123
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invoke-direct {p0, v0, p2}, Lcom/google/zxing/qrcode/decoder/Decoder;->decode(Lcom/google/zxing/qrcode/decoder/BitMatrixParser;Ljava/util/Map;)Lcom/google/zxing/common/DecoderResult;
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move-result-object p2
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.line 126
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new-instance v0, Lcom/google/zxing/qrcode/decoder/QRCodeDecoderMetaData;
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invoke-direct {v0, v2}, Lcom/google/zxing/qrcode/decoder/QRCodeDecoderMetaData;-><init>(Z)V
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invoke-virtual {p2, v0}, Lcom/google/zxing/common/DecoderResult;->setOther(Ljava/lang/Object;)V
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:try_end_1
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.catch Lcom/google/zxing/FormatException; {:try_start_1 .. :try_end_1} :catch_2
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.catch Lcom/google/zxing/ChecksumException; {:try_start_1 .. :try_end_1} :catch_2
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return-object p2
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:catch_2
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move-exception p2
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if-eqz p1, :cond_0
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.line 133
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throw p1
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:cond_0
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if-eqz v1, :cond_1
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.line 136
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throw v1
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.line 138
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:cond_1
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throw p2
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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 45
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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 60
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array-length v0, p1
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.line 61
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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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const/4 v3, 0x0
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:goto_0
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if-ge v3, v0, :cond_2
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const/4 v4, 0x0
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:goto_1
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if-ge v4, v0, :cond_1
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.line 64
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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_0
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.line 65
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invoke-virtual {v1, v4, v3}, Lcom/google/zxing/common/BitMatrix;->set(II)V
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:cond_0
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add-int/lit8 v4, v4, 0x1
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goto :goto_1
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:cond_1
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add-int/lit8 v3, v3, 0x1
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goto :goto_0
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.line 69
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:cond_2
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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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.end method
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