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