Rabbit-R1/android (non root)/java/sources/com/google/zxing/oned/UPCEANExtension2Support.java
2024-05-21 17:08:36 -04:00

72 lines
2.7 KiB
Java

package com.google.zxing.oned;
import com.google.zxing.BarcodeFormat;
import com.google.zxing.NotFoundException;
import com.google.zxing.Result;
import com.google.zxing.ResultMetadataType;
import com.google.zxing.ResultPoint;
import com.google.zxing.common.BitArray;
import java.util.EnumMap;
import java.util.Map;
/* JADX INFO: Access modifiers changed from: package-private */
/* loaded from: classes3.dex */
public final class UPCEANExtension2Support {
private final int[] decodeMiddleCounters = new int[4];
private final StringBuilder decodeRowStringBuffer = new StringBuilder();
/* JADX INFO: Access modifiers changed from: package-private */
public Result decodeRow(int i, BitArray bitArray, int[] iArr) throws NotFoundException {
StringBuilder sb = this.decodeRowStringBuffer;
sb.setLength(0);
int decodeMiddle = decodeMiddle(bitArray, iArr, sb);
String sb2 = sb.toString();
Map<ResultMetadataType, Object> parseExtensionString = parseExtensionString(sb2);
float f = i;
Result result = new Result(sb2, null, new ResultPoint[]{new ResultPoint((iArr[0] + iArr[1]) / 2.0f, f), new ResultPoint(decodeMiddle, f)}, BarcodeFormat.UPC_EAN_EXTENSION);
if (parseExtensionString != null) {
result.putAllMetadata(parseExtensionString);
}
return result;
}
private int decodeMiddle(BitArray bitArray, int[] iArr, StringBuilder sb) throws NotFoundException {
int[] iArr2 = this.decodeMiddleCounters;
iArr2[0] = 0;
iArr2[1] = 0;
iArr2[2] = 0;
iArr2[3] = 0;
int size = bitArray.getSize();
int i = iArr[1];
int i2 = 0;
for (int i3 = 0; i3 < 2 && i < size; i3++) {
int decodeDigit = UPCEANReader.decodeDigit(bitArray, iArr2, i, UPCEANReader.L_AND_G_PATTERNS);
sb.append((char) ((decodeDigit % 10) + 48));
for (int i4 : iArr2) {
i += i4;
}
if (decodeDigit >= 10) {
i2 |= 1 << (1 - i3);
}
if (i3 != 1) {
i = bitArray.getNextUnset(bitArray.getNextSet(i));
}
}
if (sb.length() != 2) {
throw NotFoundException.getNotFoundInstance();
}
if (Integer.parseInt(sb.toString()) % 4 == i2) {
return i;
}
throw NotFoundException.getNotFoundInstance();
}
private static Map<ResultMetadataType, Object> parseExtensionString(String str) {
if (str.length() != 2) {
return null;
}
EnumMap enumMap = new EnumMap(ResultMetadataType.class);
enumMap.put((EnumMap) ResultMetadataType.ISSUE_NUMBER, (ResultMetadataType) Integer.valueOf(str));
return enumMap;
}
}