254 lines
7.6 KiB
C++
254 lines
7.6 KiB
C++
/*
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* Copyright 2016 Nu-book Inc.
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* Copyright 2016 ZXing authors
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*/
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// SPDX-License-Identifier: Apache-2.0
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#include "GTIN.h"
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#include "Barcode.h"
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#include <algorithm>
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#include <iomanip>
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#include <iterator>
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#include <sstream>
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#include <string>
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namespace ZXing::GTIN {
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struct CountryId
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{
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uint16_t first;
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uint16_t last;
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const char id[3];
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};
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bool operator<(const CountryId& lhs, const CountryId& rhs)
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{
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return lhs.last < rhs.last;
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}
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// https://www.gs1.org/standards/id-keys/company-prefix (as of 7 Feb 2022)
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// and https://en.wikipedia.org/wiki/List_of_GS1_country_codes
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static const CountryId COUNTRIES[] = {
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// clang-format off
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{1, 19, "US"},
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{30, 39, "US"},
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{60, 99, "US"}, // Note 99 coupon identification
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{100, 139, "US"},
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{300, 379, "FR"}, // France (and Monaco according to Wikipedia)
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{380, 380, "BG"}, // Bulgaria
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{383, 383, "SI"}, // Slovenia
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{385, 385, "HR"}, // Croatia
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{387, 387, "BA"}, // Bosnia and Herzegovina
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{389, 389, "ME"}, // Montenegro
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//{390, 390, "XK"}, // (Kosovo according to Wikipedia, unsourced)
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{400, 440, "DE"}, // Germany
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{450, 459, "JP"}, // Japan
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{460, 469, "RU"}, // Russia
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{470, 470, "KG"}, // Kyrgyzstan
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{471, 471, "TW"}, // Taiwan
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{474, 474, "EE"}, // Estonia
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{475, 475, "LV"}, // Latvia
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{476, 476, "AZ"}, // Azerbaijan
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{477, 477, "LT"}, // Lithuania
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{478, 478, "UZ"}, // Uzbekistan
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{479, 479, "LK"}, // Sri Lanka
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{480, 480, "PH"}, // Philippines
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{481, 481, "BY"}, // Belarus
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{482, 482, "UA"}, // Ukraine
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{483, 483, "TM"}, // Turkmenistan
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{484, 484, "MD"}, // Moldova
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{485, 485, "AM"}, // Armenia
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{486, 486, "GE"}, // Georgia
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{487, 487, "KZ"}, // Kazakhstan
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{488, 488, "TJ"}, // Tajikistan
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{489, 489, "HK"}, // Hong Kong
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{490, 499, "JP"}, // Japan
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{500, 509, "GB"}, // UK
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{520, 521, "GR"}, // Greece
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{528, 528, "LB"}, // Lebanon
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{529, 529, "CY"}, // Cyprus
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{530, 530, "AL"}, // Albania
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{531, 531, "MK"}, // North Macedonia
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{535, 535, "MT"}, // Malta
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{539, 539, "IE"}, // Ireland
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{540, 549, "BE"}, // Belgium & Luxembourg
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{560, 560, "PT"}, // Portugal
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{569, 569, "IS"}, // Iceland
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{570, 579, "DK"}, // Denmark (and Faroe Islands and Greenland according to Wikipedia)
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{590, 590, "PL"}, // Poland
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{594, 594, "RO"}, // Romania
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{599, 599, "HU"}, // Hungary
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{600, 601, "ZA"}, // South Africa
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{603, 603, "GH"}, // Ghana
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{604, 604, "SN"}, // Senegal
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{608, 608, "BH"}, // Bahrain
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{609, 609, "MU"}, // Mauritius
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{611, 611, "MA"}, // Morocco
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{613, 613, "DZ"}, // Algeria
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{615, 615, "NG"}, // Nigeria
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{616, 616, "KE"}, // Kenya
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{617, 617, "CM"}, // Cameroon
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{618, 618, "CI"}, // Côte d'Ivoire
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{619, 619, "TN"}, // Tunisia
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{620, 620, "TZ"}, // Tanzania
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{621, 621, "SY"}, // Syria
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{622, 622, "EG"}, // Egypt
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{623, 623, "BN"}, // Brunei
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{624, 624, "LY"}, // Libya
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{625, 625, "JO"}, // Jordan
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{626, 626, "IR"}, // Iran
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{627, 627, "KW"}, // Kuwait
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{628, 628, "SA"}, // Saudi Arabia
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{629, 629, "AE"}, // United Arab Emirates
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{630, 630, "QA"}, // Qatar
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{631, 631, "NA"}, // Namibia
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{640, 649, "FI"}, // Finland
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{690, 699, "CN"}, // China
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{700, 709, "NO"}, // Norway
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{729, 729, "IL"}, // Israel
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{730, 739, "SE"}, // Sweden
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{740, 740, "GT"}, // Guatemala
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{741, 741, "SV"}, // El Salvador
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{742, 742, "HN"}, // Honduras
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{743, 743, "NI"}, // Nicaragua
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{744, 744, "CR"}, // Costa Rica
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{745, 745, "PA"}, // Panama
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{746, 746, "DO"}, // Dominican Republic
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{750, 750, "MX"}, // Mexico
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{754, 755, "CA"}, // Canada
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{759, 759, "VE"}, // Venezuela
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{760, 769, "CH"}, // Switzerland (and Liechtenstein according to Wikipedia)
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{770, 771, "CO"}, // Colombia
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{773, 773, "UY"}, // Uruguay
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{775, 775, "PE"}, // Peru
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{777, 777, "BO"}, // Bolivia
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{778, 779, "AR"}, // Argentina
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{780, 780, "CL"}, // Chile
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{784, 784, "PY"}, // Paraguay
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{786, 786, "EC"}, // Ecuador
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{789, 790, "BR"}, // Brazil
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{800, 839, "IT"}, // Italy (and San Marino and Vatican City according to Wikipedia)
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{840, 849, "ES"}, // Spain (and Andorra according to Wikipedia)
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{850, 850, "CU"}, // Cuba
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{858, 858, "SK"}, // Slovakia
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{859, 859, "CZ"}, // Czechia
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{860, 860, "RS"}, // Serbia
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{865, 865, "MN"}, // Mongolia
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{867, 867, "KP"}, // North Korea
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{868, 869, "TR"}, // Turkey
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{870, 879, "NL"}, // Netherlands
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{880, 880, "KR"}, // South Korea
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{883, 883, "MM"}, // Myanmar
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{884, 884, "KH"}, // Cambodia
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{885, 885, "TH"}, // Thailand
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{888, 888, "SG"}, // Singapore
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{890, 890, "IN"}, // India
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{893, 893, "VN"}, // Vietnam
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{896, 896, "PK"}, // Pakistan
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{899, 899, "ID"}, // Indonesia
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{900, 919, "AT"}, // Austria
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{930, 939, "AU"}, // Australia
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{940, 949, "NZ"}, // New Zealand
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{955, 955, "MY"}, // Malaysia
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{958, 958, "MO"}, // Macao
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//{960, 961, "GB"}, // Global Office - assigned to GS1 UK for GTIN-8 allocations (also 9620-9624999)
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// clang-format on
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};
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std::string LookupCountryIdentifier(const std::string& GTIN, const BarcodeFormat format)
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{
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// Ignore add-on if any
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const auto space = GTIN.find(' ');
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const std::string::size_type size = space != std::string::npos ? space : GTIN.size();
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if (size != 14 && size != 13 && size != 12 && size != 8)
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return {};
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// GTIN-14 leading packaging level indicator
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const int first = size == 14 ? 1 : 0;
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// UPC-A/E implicit leading 0
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const int implicitZero = size == 12 || (size == 8 && format != BarcodeFormat::EAN8) ? 1 : 0;
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if (size != 8 || format != BarcodeFormat::EAN8) { // Assuming following doesn't apply to EAN-8
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// 0000000 Restricted Circulation Numbers; 0000001-0000099 unused to avoid collision with GTIN-8
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int prefix = std::stoi(GTIN.substr(first, 7 - implicitZero));
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if (prefix >= 0 && prefix <= 99)
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return {};
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// 00001-00009 US
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prefix = std::stoi(GTIN.substr(first, 5 - implicitZero));
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if (prefix >= 1 && prefix <= 9)
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return "US";
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// 0001-0009 US
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prefix = std::stoi(GTIN.substr(first, 4 - implicitZero));
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if (prefix >= 1 && prefix <= 9)
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return "US";
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}
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const int prefix = std::stoi(GTIN.substr(first, 3 - implicitZero));
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// Special case EAN-8 for prefix < 100 (GS1 General Specifications Figure 1.4.3-1)
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if (size == 8 && format == BarcodeFormat::EAN8 && prefix <= 99) // Restricted Circulation Numbers
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return {};
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const auto it = std::lower_bound(std::begin(COUNTRIES), std::end(COUNTRIES), CountryId{0, narrow_cast<uint16_t>(prefix), ""});
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return it != std::end(COUNTRIES) && prefix >= it->first && prefix <= it->last ? it->id : std::string();
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}
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std::string EanAddOn(const Barcode& barcode)
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{
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if (!(BarcodeFormat::EAN13 | BarcodeFormat::UPCA | BarcodeFormat::UPCE | BarcodeFormat::EAN8).testFlag(barcode.format()))
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return {};
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auto txt = barcode.bytes().asString();
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auto pos = txt.find(' ');
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return pos != std::string::npos ? std::string(txt.substr(pos + 1)) : std::string();
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}
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std::string IssueNr(const std::string& ean2AddOn)
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{
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if (ean2AddOn.size() != 2)
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return {};
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return std::to_string(std::stoi(ean2AddOn));
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}
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std::string Price(const std::string& ean5AddOn)
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{
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if (ean5AddOn.size() != 5)
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return {};
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std::string currency;
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switch (ean5AddOn.front()) {
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case '0': [[fallthrough]];
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case '1': currency = "GBP £"; break; // UK
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case '3': currency = "AUD $"; break; // AUS
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case '4': currency = "NZD $"; break; // NZ
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case '5': currency = "USD $"; break; // US
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case '6': currency = "CAD $"; break; // CA
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case '9':
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// Reference: http://www.jollytech.com
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if (ean5AddOn == "90000") // No suggested retail price
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return {};
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if (ean5AddOn == "99991") // Complementary
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return "0.00";
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if (ean5AddOn == "99990")
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return "Used";
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// Otherwise... unknown currency?
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currency = "";
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break;
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default: currency = ""; break;
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}
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int rawAmount = std::stoi(ean5AddOn.substr(1));
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std::stringstream buf;
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buf << currency << std::fixed << std::setprecision(2) << (float(rawAmount) / 100);
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return buf.str();
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}
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} // namespace ZXing::GTIN
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