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105 lines
4.0 KiB
C++
105 lines
4.0 KiB
C++
/* ubytearray.h
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Copyright (c) 2016, Nikolaj Schlej. All rights reserved.
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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*/
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#ifndef UBYTEARRAY_H
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#define UBYTEARRAY_H
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#if defined(QT_CORE_LIB)
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// Use Qt class, if Qt is available
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#include <QByteArray>
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#define UByteArray QByteArray
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#else
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// Use own implementation
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#include <stdint.h>
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#include <string>
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#include <vector>
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#include <algorithm>
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class UByteArray
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{
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public:
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UByteArray() : d() {}
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UByteArray(const UByteArray & ba) : d(ba.d) {}
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UByteArray(const std::basic_string<char> & bs) : d(bs) {}
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UByteArray(const std::vector<char> & bc) : d(bc.data(), bc.size()) {}
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UByteArray(const char* bytes, int32_t size) : d(bytes, size) {}
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UByteArray(const size_t n, char c) : d(n, c) {}
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~UByteArray() {}
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bool isEmpty() const { return d.length() == 0; }
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char* data() { return d.length() == 0 ? NULL : &(d.at(0)); /* Feels dirty, but works for all basic_string implementations I know, is fully OK in C++11 and later*/ }
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const char* data() const { return d.c_str(); }
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const char* constData() const { return d.c_str(); }
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void clear() { d.clear(); }
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UByteArray toUpper() { std::basic_string<char> s = d; std::transform(s.begin(), s.end(), s.begin(), ::toupper); return UByteArray(s); }
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uint32_t toUInt(bool* ok = NULL, const uint8_t base = 10) { return (uint32_t)strtoul(d.c_str(), NULL, base); }
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int32_t size() const { return (int32_t)d.size(); }
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int32_t count(char ch) const { return (int32_t)std::count(d.begin(), d.end(), ch); }
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char at(uint32_t i) const { return d.at(i); }
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char operator[](uint32_t i) const { return d[i]; }
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char& operator[](uint32_t i) { return d[i]; }
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bool startsWith(const UByteArray & ba) const { return 0 == d.find(ba.d, 0); }
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int indexOf(const UByteArray & ba, int from = 0) const { return (int)d.find(ba.d, from); }
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int lastIndexOf(const UByteArray & ba, int from = 0) const {
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size_t old_index = d.npos;
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size_t index = d.find(ba.d, from);
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while (index != d.npos) {
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old_index = index;
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index = d.find(ba.d, index + 1);
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}
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return (int)old_index;
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}
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UByteArray left(int32_t len) const { return d.substr(0, len); }
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UByteArray right(int32_t len) const { return d.substr(d.size() - len, len); }
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UByteArray mid(int32_t pos, int32_t len = -1) const { return d.substr(pos, len); }
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UByteArray & operator=(const UByteArray & ba) { d = ba.d; return *this; }
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UByteArray & operator+=(const UByteArray & ba) { d += ba.d; return *this; }
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bool operator== (const UByteArray & ba) const { return d == ba.d; }
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bool operator!= (const UByteArray & ba) const { return d != ba.d; }
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inline void swap(UByteArray &other) { std::swap(d, other.d); }
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UByteArray toHex() {
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std::basic_string<char> hex(size() * 2, '\x00');
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for (int32_t i = 0; i < size(); i++) {
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uint8_t low = d[i] & 0x0F;
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uint8_t high = (d[i] & 0xF0) >> 4;
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low += (low < 10 ? '0' : 'a' - 10);
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high += (high < 10 ? '0' : 'a' - 10);
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hex[2*i] = high;
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hex[2*i + 1] = low;
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}
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return UByteArray(hex);
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}
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std::basic_string<char>::iterator begin() {return d.begin();}
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std::basic_string<char>::iterator end() {return d.end();}
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std::basic_string<char>::const_iterator begin() const {return d.begin();}
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std::basic_string<char>::const_iterator end() const {return d.end();}
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private:
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std::basic_string<char> d;
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};
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inline const UByteArray operator+(const UByteArray &a1, const UByteArray &a2)
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{
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return UByteArray(a1) += a2;
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}
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#endif // QT_CORE_LIB
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#endif // UBYTEARRAY_H
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