mirror of
https://github.com/zxing/zxing.git
synced 2024-11-11 05:24:06 -08:00
7616c4d06d
git-svn-id: https://zxing.googlecode.com/svn/trunk@2558 59b500cc-1b3d-0410-9834-0bbf25fbcc57
67 lines
1.9 KiB
C#
Executable file
67 lines
1.9 KiB
C#
Executable file
/*
|
|
* Copyright 2007 ZXing authors
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
namespace com.google.zxing.client.result
|
|
{
|
|
|
|
using BarcodeFormat = com.google.zxing.BarcodeFormat;
|
|
using Result = com.google.zxing.Result;
|
|
using UPCEReader = com.google.zxing.oned.UPCEReader;
|
|
|
|
/// <summary>
|
|
/// Parses strings of digits that represent a UPC code.
|
|
///
|
|
/// @author dswitkin@google.com (Daniel Switkin)
|
|
/// </summary>
|
|
public sealed class ProductResultParser : ResultParser
|
|
{
|
|
|
|
// Treat all UPC and EAN variants as UPCs, in the sense that they are all product barcodes.
|
|
public override ParsedResult parse(Result result)
|
|
{
|
|
BarcodeFormat format = result.BarcodeFormat;
|
|
if (!(format == BarcodeFormat.UPC_A || format == BarcodeFormat.UPC_E || format == BarcodeFormat.EAN_8 || format == BarcodeFormat.EAN_13))
|
|
{
|
|
return null;
|
|
}
|
|
string rawText = getMassagedText(result);
|
|
int length = rawText.Length;
|
|
for (int x = 0; x < length; x++)
|
|
{
|
|
char c = rawText[x];
|
|
if (c < '0' || c > '9')
|
|
{
|
|
return null;
|
|
}
|
|
}
|
|
// Not actually checking the checksum again here
|
|
|
|
string normalizedProductID;
|
|
// Expand UPC-E for purposes of searching
|
|
if (format == BarcodeFormat.UPC_E)
|
|
{
|
|
normalizedProductID = UPCEReader.convertUPCEtoUPCA(rawText);
|
|
}
|
|
else
|
|
{
|
|
normalizedProductID = rawText;
|
|
}
|
|
|
|
return new ProductParsedResult(rawText, normalizedProductID);
|
|
}
|
|
|
|
}
|
|
} |