init

smali/smali_classes2/com/google/zxing/qrcode/decoder/Decoder.smali

@@ -0,0 +1,447 @@
+.class public final Lcom/google/zxing/qrcode/decoder/Decoder;
+.super Ljava/lang/Object;
+.source "Decoder.java"
+
+
+# instance fields
+.field private final rsDecoder:Lcom/google/zxing/common/reedsolomon/ReedSolomonDecoder;
+
+
+# direct methods
+.method public constructor <init>()V
+    .locals 2
+
+    .line 40
+    invoke-direct {p0}, Ljava/lang/Object;-><init>()V
+
+    .line 41
+    new-instance v0, Lcom/google/zxing/common/reedsolomon/ReedSolomonDecoder;
+
+    sget-object v1, Lcom/google/zxing/common/reedsolomon/GenericGF;->QR_CODE_FIELD_256:Lcom/google/zxing/common/reedsolomon/GenericGF;
+
+    invoke-direct {v0, v1}, Lcom/google/zxing/common/reedsolomon/ReedSolomonDecoder;-><init>(Lcom/google/zxing/common/reedsolomon/GenericGF;)V
+
+    iput-object v0, p0, Lcom/google/zxing/qrcode/decoder/Decoder;->rsDecoder:Lcom/google/zxing/common/reedsolomon/ReedSolomonDecoder;
+
+    return-void
+.end method
+
+.method private correctErrors([BI)V
+    .locals 5
+    .annotation system Ldalvik/annotation/Throws;
+        value = {
+            Lcom/google/zxing/ChecksumException;
+        }
+    .end annotation
+
+    .line 184
+    array-length v0, p1
+
+    .line 186
+    new-array v1, v0, [I
+
+    const/4 v2, 0x0
+
+    const/4 v3, 0x0
+
+    :goto_0
+    if-ge v3, v0, :cond_0
+
+    .line 188
+    aget-byte v4, p1, v3
+
+    and-int/lit16 v4, v4, 0xff
+
+    aput v4, v1, v3
+
+    add-int/lit8 v3, v3, 0x1
+
+    goto :goto_0
+
+    .line 191
+    :cond_0
+    :try_start_0
+    iget-object v0, p0, Lcom/google/zxing/qrcode/decoder/Decoder;->rsDecoder:Lcom/google/zxing/common/reedsolomon/ReedSolomonDecoder;
+
+    array-length v3, p1
+
+    sub-int/2addr v3, p2
+
+    invoke-virtual {v0, v1, v3}, Lcom/google/zxing/common/reedsolomon/ReedSolomonDecoder;->decode([II)V
+    :try_end_0
+    .catch Lcom/google/zxing/common/reedsolomon/ReedSolomonException; {:try_start_0 .. :try_end_0} :catch_0
+
+    :goto_1
+    if-ge v2, p2, :cond_1
+
+    .line 198
+    aget v0, v1, v2
+
+    int-to-byte v0, v0
+
+    aput-byte v0, p1, v2
+
+    add-int/lit8 v2, v2, 0x1
+
+    goto :goto_1
+
+    :cond_1
+    return-void
+
+    .line 193
+    :catch_0
+    invoke-static {}, Lcom/google/zxing/ChecksumException;->getChecksumInstance()Lcom/google/zxing/ChecksumException;
+
+    move-result-object p1
+
+    throw p1
+.end method
+
+.method private decode(Lcom/google/zxing/qrcode/decoder/BitMatrixParser;Ljava/util/Map;)Lcom/google/zxing/common/DecoderResult;
+    .locals 12
+    .annotation system Ldalvik/annotation/Signature;
+        value = {
+            "(",
+            "Lcom/google/zxing/qrcode/decoder/BitMatrixParser;",
+            "Ljava/util/Map<",
+            "Lcom/google/zxing/DecodeHintType;",
+            "*>;)",
+            "Lcom/google/zxing/common/DecoderResult;"
+        }
+    .end annotation
+
+    .annotation system Ldalvik/annotation/Throws;
+        value = {
+            Lcom/google/zxing/FormatException;,
+            Lcom/google/zxing/ChecksumException;
+        }
+    .end annotation
+
+    .line 145
+    invoke-virtual {p1}, Lcom/google/zxing/qrcode/decoder/BitMatrixParser;->readVersion()Lcom/google/zxing/qrcode/decoder/Version;
+
+    move-result-object v0
+
+    .line 146
+    invoke-virtual {p1}, Lcom/google/zxing/qrcode/decoder/BitMatrixParser;->readFormatInformation()Lcom/google/zxing/qrcode/decoder/FormatInformation;
+
+    move-result-object v1
+
+    invoke-virtual {v1}, Lcom/google/zxing/qrcode/decoder/FormatInformation;->getErrorCorrectionLevel()Lcom/google/zxing/qrcode/decoder/ErrorCorrectionLevel;
+
+    move-result-object v1
+
+    .line 149
+    invoke-virtual {p1}, Lcom/google/zxing/qrcode/decoder/BitMatrixParser;->readCodewords()[B
+
+    move-result-object p1
+
+    .line 151
+    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;
+
+    move-result-object p1
+
+    .line 155
+    array-length v2, p1
+
+    const/4 v3, 0x0
+
+    const/4 v4, 0x0
+
+    const/4 v5, 0x0
+
+    :goto_0
+    if-ge v4, v2, :cond_0
+
+    aget-object v6, p1, v4
+
+    .line 156
+    invoke-virtual {v6}, Lcom/google/zxing/qrcode/decoder/DataBlock;->getNumDataCodewords()I
+
+    move-result v6
+
+    add-int/2addr v5, v6
+
+    add-int/lit8 v4, v4, 0x1
+
+    goto :goto_0
+
+    .line 158
+    :cond_0
+    new-array v2, v5, [B
+
+    .line 162
+    array-length v4, p1
+
+    const/4 v5, 0x0
+
+    const/4 v6, 0x0
+
+    :goto_1
+    if-ge v5, v4, :cond_2
+
+    aget-object v7, p1, v5
+
+    .line 163
+    invoke-virtual {v7}, Lcom/google/zxing/qrcode/decoder/DataBlock;->getCodewords()[B
+
+    move-result-object v8
+
+    .line 164
+    invoke-virtual {v7}, Lcom/google/zxing/qrcode/decoder/DataBlock;->getNumDataCodewords()I
+
+    move-result v7
+
+    .line 165
+    invoke-direct {p0, v8, v7}, Lcom/google/zxing/qrcode/decoder/Decoder;->correctErrors([BI)V
+
+    move v9, v6
+
+    const/4 v6, 0x0
+
+    :goto_2
+    if-ge v6, v7, :cond_1
+
+    add-int/lit8 v10, v9, 0x1
+
+    .line 167
+    aget-byte v11, v8, v6
+
+    aput-byte v11, v2, v9
+
+    add-int/lit8 v6, v6, 0x1
+
+    move v9, v10
+
+    goto :goto_2
+
+    :cond_1
+    add-int/lit8 v5, v5, 0x1
+
+    move v6, v9
+
+    goto :goto_1
+
+    .line 172
+    :cond_2
+    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;
+
+    move-result-object p1
+
+    return-object p1
+.end method
+
+
+# virtual methods
+.method public decode(Lcom/google/zxing/common/BitMatrix;)Lcom/google/zxing/common/DecoderResult;
+    .locals 1
+    .annotation system Ldalvik/annotation/Throws;
+        value = {
+            Lcom/google/zxing/ChecksumException;,
+            Lcom/google/zxing/FormatException;
+        }
+    .end annotation
+
+    const/4 v0, 0x0
+
+    .line 73
+    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;
+
+    move-result-object p1
+
+    return-object p1
+.end method
+
+.method public decode(Lcom/google/zxing/common/BitMatrix;Ljava/util/Map;)Lcom/google/zxing/common/DecoderResult;
+    .locals 4
+    .annotation system Ldalvik/annotation/Signature;
+        value = {
+            "(",
+            "Lcom/google/zxing/common/BitMatrix;",
+            "Ljava/util/Map<",
+            "Lcom/google/zxing/DecodeHintType;",
+            "*>;)",
+            "Lcom/google/zxing/common/DecoderResult;"
+        }
+    .end annotation
+
+    .annotation system Ldalvik/annotation/Throws;
+        value = {
+            Lcom/google/zxing/FormatException;,
+            Lcom/google/zxing/ChecksumException;
+        }
+    .end annotation
+
+    .line 89
+    new-instance v0, Lcom/google/zxing/qrcode/decoder/BitMatrixParser;
+
+    invoke-direct {v0, p1}, Lcom/google/zxing/qrcode/decoder/BitMatrixParser;-><init>(Lcom/google/zxing/common/BitMatrix;)V
+
+    const/4 p1, 0x0
+
+    .line 93
+    :try_start_0
+    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;
+
+    move-result-object v1
+    :try_end_0
+    .catch Lcom/google/zxing/FormatException; {:try_start_0 .. :try_end_0} :catch_1
+    .catch Lcom/google/zxing/ChecksumException; {:try_start_0 .. :try_end_0} :catch_0
+
+    return-object v1
+
+    :catch_0
+    move-exception v1
+
+    goto :goto_0
+
+    :catch_1
+    move-exception v1
+
+    move-object v3, v1
+
+    move-object v1, p1
+
+    move-object p1, v3
+
+    .line 103
+    :goto_0
+    :try_start_1
+    invoke-virtual {v0}, Lcom/google/zxing/qrcode/decoder/BitMatrixParser;->remask()V
+
+    const/4 v2, 0x1
+
+    .line 106
+    invoke-virtual {v0, v2}, Lcom/google/zxing/qrcode/decoder/BitMatrixParser;->setMirror(Z)V
+
+    .line 109
+    invoke-virtual {v0}, Lcom/google/zxing/qrcode/decoder/BitMatrixParser;->readVersion()Lcom/google/zxing/qrcode/decoder/Version;
+
+    .line 112
+    invoke-virtual {v0}, Lcom/google/zxing/qrcode/decoder/BitMatrixParser;->readFormatInformation()Lcom/google/zxing/qrcode/decoder/FormatInformation;
+
+    .line 121
+    invoke-virtual {v0}, Lcom/google/zxing/qrcode/decoder/BitMatrixParser;->mirror()V
+
+    .line 123
+    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;
+
+    move-result-object p2
+
+    .line 126
+    new-instance v0, Lcom/google/zxing/qrcode/decoder/QRCodeDecoderMetaData;
+
+    invoke-direct {v0, v2}, Lcom/google/zxing/qrcode/decoder/QRCodeDecoderMetaData;-><init>(Z)V
+
+    invoke-virtual {p2, v0}, Lcom/google/zxing/common/DecoderResult;->setOther(Ljava/lang/Object;)V
+    :try_end_1
+    .catch Lcom/google/zxing/FormatException; {:try_start_1 .. :try_end_1} :catch_2
+    .catch Lcom/google/zxing/ChecksumException; {:try_start_1 .. :try_end_1} :catch_2
+
+    return-object p2
+
+    :catch_2
+    move-exception p2
+
+    if-eqz p1, :cond_0
+
+    .line 133
+    throw p1
+
+    :cond_0
+    if-eqz v1, :cond_1
+
+    .line 136
+    throw v1
+
+    .line 138
+    :cond_1
+    throw p2
+.end method
+
+.method public decode([[Z)Lcom/google/zxing/common/DecoderResult;
+    .locals 1
+    .annotation system Ldalvik/annotation/Throws;
+        value = {
+            Lcom/google/zxing/ChecksumException;,
+            Lcom/google/zxing/FormatException;
+        }
+    .end annotation
+
+    const/4 v0, 0x0
+
+    .line 45
+    invoke-virtual {p0, p1, v0}, Lcom/google/zxing/qrcode/decoder/Decoder;->decode([[ZLjava/util/Map;)Lcom/google/zxing/common/DecoderResult;
+
+    move-result-object p1
+
+    return-object p1
+.end method
+
+.method public decode([[ZLjava/util/Map;)Lcom/google/zxing/common/DecoderResult;
+    .locals 6
+    .annotation system Ldalvik/annotation/Signature;
+        value = {
+            "([[Z",
+            "Ljava/util/Map<",
+            "Lcom/google/zxing/DecodeHintType;",
+            "*>;)",
+            "Lcom/google/zxing/common/DecoderResult;"
+        }
+    .end annotation
+
+    .annotation system Ldalvik/annotation/Throws;
+        value = {
+            Lcom/google/zxing/ChecksumException;,
+            Lcom/google/zxing/FormatException;
+        }
+    .end annotation
+
+    .line 60
+    array-length v0, p1
+
+    .line 61
+    new-instance v1, Lcom/google/zxing/common/BitMatrix;
+
+    invoke-direct {v1, v0}, Lcom/google/zxing/common/BitMatrix;-><init>(I)V
+
+    const/4 v2, 0x0
+
+    const/4 v3, 0x0
+
+    :goto_0
+    if-ge v3, v0, :cond_2
+
+    const/4 v4, 0x0
+
+    :goto_1
+    if-ge v4, v0, :cond_1
+
+    .line 64
+    aget-object v5, p1, v3
+
+    aget-boolean v5, v5, v4
+
+    if-eqz v5, :cond_0
+
+    .line 65
+    invoke-virtual {v1, v4, v3}, Lcom/google/zxing/common/BitMatrix;->set(II)V
+
+    :cond_0
+    add-int/lit8 v4, v4, 0x1
+
+    goto :goto_1
+
+    :cond_1
+    add-int/lit8 v3, v3, 0x1
+
+    goto :goto_0
+
+    .line 69
+    :cond_2
+    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;
+
+    move-result-object p1
+
+    return-object p1
+.end method