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83 lines
1.8 KiB
C++
83 lines
1.8 KiB
C++
#ifndef TAG_H__
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#define TAG_H__
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#include <string.h> /* memcpy */
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#include "Base.h"
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namespace i2p {
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namespace data {
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template<int sz>
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class Tag
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{
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public:
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Tag (const uint8_t * buf) { memcpy (m_Buf, buf, sz); };
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Tag (const Tag<sz>& ) = default;
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#ifndef _WIN32 // FIXME!!! msvs 2013 can't compile it
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Tag (Tag<sz>&& ) = default;
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#endif
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Tag () = default;
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Tag<sz>& operator= (const Tag<sz>& ) = default;
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#ifndef _WIN32
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Tag<sz>& operator= (Tag<sz>&& ) = default;
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#endif
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uint8_t * operator()() { return m_Buf; };
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const uint8_t * operator()() const { return m_Buf; };
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operator uint8_t * () { return m_Buf; };
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operator const uint8_t * () const { return m_Buf; };
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const uint64_t * GetLL () const { return ll; };
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bool operator== (const Tag<sz>& other) const { return !memcmp (m_Buf, other.m_Buf, sz); };
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bool operator< (const Tag<sz>& other) const { return memcmp (m_Buf, other.m_Buf, sz) < 0; };
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bool IsZero () const
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{
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for (int i = 0; i < sz/8; i++)
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if (ll[i]) return false;
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return true;
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}
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std::string ToBase64 () const
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{
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char str[sz*2];
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int l = i2p::data::ByteStreamToBase64 (m_Buf, sz, str, sz*2);
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str[l] = 0;
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return std::string (str);
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}
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std::string ToBase32 () const
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{
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char str[sz*2];
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int l = i2p::data::ByteStreamToBase32 (m_Buf, sz, str, sz*2);
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str[l] = 0;
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return std::string (str);
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}
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void FromBase32 (const std::string& s)
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{
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i2p::data::Base32ToByteStream (s.c_str (), s.length (), m_Buf, sz);
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}
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void FromBase64 (const std::string& s)
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{
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i2p::data::Base64ToByteStream (s.c_str (), s.length (), m_Buf, sz);
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}
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private:
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union // 8 bytes alignment
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{
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uint8_t m_Buf[sz];
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uint64_t ll[sz/8];
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};
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};
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} // data
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} // i2p
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#endif /* TAG_H__ */
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