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d4efd44fb0
git-svn-id: https://zxing.googlecode.com/svn/trunk@1202 59b500cc-1b3d-0410-9834-0bbf25fbcc57
77 lines
2.3 KiB
C#
Executable file
77 lines
2.3 KiB
C#
Executable file
/*
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* Copyright 2007 ZXing authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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using System;
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using BarcodeFormat = com.google.zxing.BarcodeFormat;
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using Result = com.google.zxing.Result;
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using UPCEReader = com.google.zxing.oned.UPCEReader;
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namespace com.google.zxing.client.result
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{
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/// <summary> Parses strings of digits that represent a UPC code.
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///
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/// </summary>
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/// <author> dswitkin@google.com (Daniel Switkin)
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/// </author>
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/// <author>www.Redivivus.in (suraj.supekar@redivivus.in) - Ported from ZXING Java Source
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/// </author>
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sealed class ProductResultParser:ResultParser
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{
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private ProductResultParser()
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{
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}
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// Treat all UPC and EAN variants as UPCs, in the sense that they are all product barcodes.
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public static ProductParsedResult parse(Result result)
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{
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BarcodeFormat format = result.BarcodeFormat;
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if (!(BarcodeFormat.UPC_A.Equals(format) || BarcodeFormat.UPC_E.Equals(format) || BarcodeFormat.EAN_8.Equals(format) || BarcodeFormat.EAN_13.Equals(format)))
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{
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return null;
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}
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// Really neither of these should happen:
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System.String rawText = result.Text;
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if (rawText == null)
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{
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return null;
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}
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int length = rawText.Length;
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for (int x = 0; x < length; x++)
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{
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char c = rawText[x];
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if (c < '0' || c > '9')
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{
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return null;
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}
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}
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// Not actually checking the checksum again here
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System.String normalizedProductID;
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// Expand UPC-E for purposes of searching
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if (BarcodeFormat.UPC_E.Equals(format))
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{
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normalizedProductID = UPCEReader.convertUPCEtoUPCA(rawText);
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}
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else
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{
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normalizedProductID = rawText;
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}
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return new ProductParsedResult(rawText, normalizedProductID);
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}
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}
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} |