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57 lines
2.0 KiB
Rust
57 lines
2.0 KiB
Rust
/*
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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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// package com.google.zxing.client.result;
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// import com.google.zxing.BarcodeFormat;
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// import com.google.zxing.RXingResult;
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// import com.google.zxing.oned.UPCEReader;
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use crate::{RXingResult, BarcodeFormat};
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use super::{ParsedClientResult, ProductParsedRXingResult, ResultParser};
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/**
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* Parses strings of digits that represent a UPC code.
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*
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* @author dswitkin@google.com (Daniel Switkin)
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*/
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pub fn parse(result: &RXingResult) -> Option<ParsedClientResult> {
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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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let format = result.getBarcodeFormat();
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if !(format == &BarcodeFormat::UPC_A || format == &BarcodeFormat::UPC_E ||
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format == &BarcodeFormat::EAN_8 || format == &BarcodeFormat::EAN_13) {
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return None;
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}
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let rawText = ResultParser::getMassagedText(result);
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if !ResultParser::isStringOfDigits(&rawText, rawText.len()) {
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return None;
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}
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// Not actually checking the checksum again here
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let normalizedProductID;
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// Expand UPC-E for purposes of searching
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if format == &BarcodeFormat::UPC_E && rawText.len() == 8 {
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unimplemented!("UPCEReader is required to parse this");
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//normalizedProductID = UPCEReader.convertUPCEtoUPCA(rawText);
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} else {
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normalizedProductID = rawText.clone();
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}
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Some(ParsedClientResult::ProductResult(ProductParsedRXingResult::with_normalized_id(rawText, normalizedProductID)))
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} |