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expanded product result parser pass
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Henry Schimke
288
src/client/result/ExpandedProductResultParser.rs
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288
src/client/result/ExpandedProductResultParser.rs
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/*
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* Copyright (C) 2010 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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/*
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* These authors would like to acknowledge the Spanish Ministry of Industry,
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* Tourism and Trade, for the support in the project TSI020301-2008-2
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* "PIRAmIDE: Personalizable Interactions with Resources on AmI-enabled
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* Mobile Dynamic Environments", led by Treelogic
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* ( http://www.treelogic.com/ ):
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*
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* http://www.piramidepse.com/
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*/
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// package com.google.zxing.client.result;
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// import java.util.HashMap;
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// import java.util.Map;
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// import com.google.zxing.BarcodeFormat;
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// import com.google.zxing.RXingResult;
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use std::collections::HashMap;
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use crate::BarcodeFormat;
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use super::{
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ExpandedProductParsedRXingResult, ExpandedProductParsedResult, ParsedClientResult, ResultParser,
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};
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/**
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* Parses strings of digits that represent a RSS Extended code.
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*
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* @author Antonio Manuel Benjumea Conde, Servinform, S.A.
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* @author Agustín Delgado, Servinform, S.A.
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*/
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pub fn parse(result: &crate::RXingResult) -> Option<super::ParsedClientResult> {
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let barcode_format = result.getBarcodeFormat();
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if barcode_format != &BarcodeFormat::RSS_EXPANDED {
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// ExtendedProductParsedRXingResult NOT created. Not a RSS Expanded barcode
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return None;
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}
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let rawText = ResultParser::getMassagedText(result);
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let mut productID: String = "".to_owned(); // = null;
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let mut sscc: String = "".to_owned();
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let mut lotNumber: String = "".to_owned();
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let mut productionDate: String = "".to_owned();
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let mut packagingDate: String = "".to_owned();
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let mut bestBeforeDate: String = "".to_owned();
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let mut expirationDate: String = "".to_owned();
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let mut weight: String = "".to_owned();
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let mut weightType: String = "".to_owned();
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let mut weightIncrement: String = "".to_owned();
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let mut price: String = "".to_owned();
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let mut priceIncrement: String = "".to_owned();
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let mut priceCurrency: String = "".to_owned();
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let mut uncommonAIs = HashMap::new();
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let mut i = 0;
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while i < rawText.len() {
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let ai = findAIvalue(i, &rawText)?;
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// if ai == null {
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// Error. Code doesn't match with RSS expanded pattern
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// ExtendedProductParsedRXingResult NOT created. Not match with RSS Expanded pattern
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// return None;
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// }
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i += ai.len() + 2;
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let value = findValue(i, &rawText);
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i += value.len();
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match ai.as_str() {
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"00" => sscc = value,
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"01" => productID = value,
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"10" => lotNumber = value,
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"10" => lotNumber = value,
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"11" => productionDate = value,
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"13" => packagingDate = value,
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"15" => bestBeforeDate = value,
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"17" => expirationDate = value,
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"3100" | "3101" | "3102" | "3103" | "3104" | "3105" | "3106" | "3107" | "3108"
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| "3109" => {
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weight = value;
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weightType = ExpandedProductParsedResult::KILOGRAM.into();
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weightIncrement = ai[3..].to_owned()
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}
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"3200" | "3201" | "3202" | "3203" | "3204" | "3205" | "3206" | "3207" | "3208"
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| "3209" => {
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weight = value;
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weightType = ExpandedProductParsedResult::POUND.into();
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weightIncrement = ai[3..].to_owned();
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}
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"3920" | "3921" | "3922" | "3923" => {
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price = value;
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priceIncrement = ai[3..].to_owned();
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}
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"3930" | "3931" | "3932" | "3933" => {
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if value.len() < 4 {
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// The value must have more of 3 symbols (3 for currency and
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// 1 at least for the price)
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// ExtendedProductParsedRXingResult NOT created. Not match with RSS Expanded pattern
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return None;
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}
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price = value[3..].to_owned();
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priceCurrency = value[0..3].to_owned();
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priceIncrement = ai[3..].to_owned();
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}
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_ => {
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// No match with common AIs
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uncommonAIs.insert(ai, value);
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}
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};
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// switch (ai) {
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// case "00":
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// sscc = value;
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// break;
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// case "01":
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// productID = value;
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// break;
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// case "10":
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// lotNumber = value;
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// break;
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// case "11":
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// productionDate = value;
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// break;
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// case "13":
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// packagingDate = value;
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// break;
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// case "15":
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// bestBeforeDate = value;
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// break;
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// case "17":
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// expirationDate = value;
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// break;
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// case "3100":
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// case "3101":
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// case "3102":
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// case "3103":
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// case "3104":
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// case "3105":
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// case "3106":
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// case "3107":
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// case "3108":
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// case "3109":
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// weight = value;
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// weightType = ExpandedProductParsedRXingResult.KILOGRAM;
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// weightIncrement = ai.substring(3);
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// break;
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// case "3200":
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// case "3201":
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// case "3202":
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// case "3203":
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// case "3204":
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// case "3205":
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// case "3206":
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// case "3207":
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// case "3208":
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// case "3209":
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// weight = value;
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// weightType = ExpandedProductParsedRXingResult.POUND;
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// weightIncrement = ai.substring(3);
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// break;
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// case "3920":
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// case "3921":
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// case "3922":
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// case "3923":
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// price = value;
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// priceIncrement = ai.substring(3);
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// break;
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// case "3930":
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// case "3931":
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// case "3932":
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// case "3933":
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// if (value.length() < 4) {
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// // The value must have more of 3 symbols (3 for currency and
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// // 1 at least for the price)
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// // ExtendedProductParsedRXingResult NOT created. Not match with RSS Expanded pattern
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// return null;
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// }
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// price = value.substring(3);
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// priceCurrency = value.substring(0, 3);
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// priceIncrement = ai.substring(3);
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// break;
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// default:
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// // No match with common AIs
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// uncommonAIs.put(ai, value);
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// break;
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// }
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}
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Some(ParsedClientResult::ExpandedProductResult(
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ExpandedProductParsedRXingResult::new(
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rawText,
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productID,
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sscc,
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lotNumber,
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productionDate,
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packagingDate,
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bestBeforeDate,
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expirationDate,
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weight,
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weightType,
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weightIncrement,
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price,
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priceIncrement,
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priceCurrency,
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uncommonAIs,
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),
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))
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// return new ExpandedProductParsedRXingResult(rawText,
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// productID,
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// sscc,
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// lotNumber,
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// productionDate,
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// packagingDate,
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// bestBeforeDate,
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// expirationDate,
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// weight,
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// weightType,
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// weightIncrement,
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// price,
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// priceIncrement,
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// priceCurrency,
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// uncommonAIs);
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}
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fn findAIvalue(i: usize, rawText: &str) -> Option<String> {
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let c = rawText.chars().nth(i)?;
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// First character must be a open parenthesis.If not, ERROR
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if c != '(' {
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return None;
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}
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let rawTextAux = &rawText[i + 1..];
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let mut buf = String::new();
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for index in 0..rawTextAux.len() {
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// for (int index = 0; index < rawTextAux.length(); index++) {
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let currentChar = rawTextAux.chars().nth(index)?;
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if currentChar == ')' {
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return Some(buf);
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}
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if currentChar < '0' || currentChar > '9' {
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return None;
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}
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buf.push(currentChar);
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}
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Some(buf)
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}
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fn findValue(i: usize, rawText: &str) -> String {
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let mut buf = String::new();
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let rawTextAux = &rawText[i..];
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for index in 0..rawTextAux.len() {
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// for (int index = 0; index < rawTextAux.length(); index++) {
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let c = rawTextAux.chars().nth(index).unwrap();
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if c == '(' {
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// We look for a new AI. If it doesn't exist (ERROR), we continue
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// with the iteration
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if let Some(_) = findAIvalue(index, rawTextAux) {
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break;
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}
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// if findAIvalue(index, rawTextAux) != null {
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// break;
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// }
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buf.push('(');
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} else {
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buf.push(c);
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}
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}
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buf
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}
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