53 lines
1.2 KiB
C
53 lines
1.2 KiB
C
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/*
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* Copyright 2016 Nu-book Inc.
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* Copyright 2022 Axel Waggershauser
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*/
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// SPDX-License-Identifier: Apache-2.0
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#pragma once
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#include <cstdint>
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#include <cstdio>
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#include <string>
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#include <string_view>
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#include <vector>
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namespace ZXing {
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/**
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ByteArray is an extension of std::vector<unsigned char>.
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*/
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class ByteArray : public std::vector<uint8_t>
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{
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public:
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ByteArray() = default;
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ByteArray(std::initializer_list<uint8_t> list) : std::vector<uint8_t>(list) {}
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explicit ByteArray(int len) : std::vector<uint8_t>(len, 0) {}
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explicit ByteArray(const std::string& str) : std::vector<uint8_t>(str.begin(), str.end()) {}
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void append(const ByteArray& other) { insert(end(), other.begin(), other.end()); }
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std::string_view asString(size_t pos = 0, size_t len = std::string_view::npos) const
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{
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return std::string_view(reinterpret_cast<const char*>(data()), size()).substr(pos, len);
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}
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};
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inline std::string ToHexZing(const ByteArray& bytes)
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{
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std::string res(bytes.size() * 3, ' ');
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for (size_t i = 0; i < bytes.size(); ++i)
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{
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#ifdef _MSC_VER
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sprintf_s(&res[i * 3], 4, "%02X ", bytes[i]);
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#else
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snprintf(&res[i * 3], 4, "%02X ", bytes[i]);
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#endif
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}
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return res.substr(0, res.size()-1);
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}
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} // ZXing
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