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binary.h
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binary.h
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#ifndef BASE64_H_62B23520_7C8E_11DE_8A39_0800200C9A66
#define BASE64_H_62B23520_7C8E_11DE_8A39_0800200C9A66
#if defined(_MSC_VER) || \
(defined(__GNUC__) && (__GNUC__ == 3 && __GNUC_MINOR__ >= 4) || \
(__GNUC__ >= 4)) // GCC supports "pragma once" correctly since 3.4
#pragma once
#endif
#include <string>
#include <vector>
#include "yaml-cpp/dll.h"
namespace YAML {
YAML_CPP_API std::string EncodeBase64(const unsigned char *data,
std::size_t size);
YAML_CPP_API std::vector<unsigned char> DecodeBase64(const std::string &input);
class YAML_CPP_API Binary {
public:
Binary() : m_unownedData(0), m_unownedSize(0) {}
Binary(const unsigned char *data_, std::size_t size_)
: m_unownedData(data_), m_unownedSize(size_) {}
bool owned() const { return !m_unownedData; }
std::size_t size() const { return owned() ? m_data.size() : m_unownedSize; }
const unsigned char *data() const {
return owned() ? &m_data[0] : m_unownedData;
}
void swap(std::vector<unsigned char> &rhs) {
if (m_unownedData) {
m_data.swap(rhs);
rhs.clear();
rhs.resize(m_unownedSize);
std::copy(m_unownedData, m_unownedData + m_unownedSize, rhs.begin());
m_unownedData = 0;
m_unownedSize = 0;
} else {
m_data.swap(rhs);
}
}
bool operator==(const Binary &rhs) const {
const std::size_t s = size();
if (s != rhs.size())
return false;
const unsigned char *d1 = data();
const unsigned char *d2 = rhs.data();
for (std::size_t i = 0; i < s; i++) {
if (*d1++ != *d2++)
return false;
}
return true;
}
bool operator!=(const Binary &rhs) const { return !(*this == rhs); }
private:
std::vector<unsigned char> m_data;
const unsigned char *m_unownedData;
std::size_t m_unownedSize;
};
}
#endif // BASE64_H_62B23520_7C8E_11DE_8A39_0800200C9A66