1 // Copyright (c) 2009-2010 Satoshi Nakamoto
2 // Copyright (c) 2009-2012 The Bitcoin developers
3 // Distributed under the MIT/X11 software license, see the accompanying
4 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
5 #ifndef BITCOIN_SERIALIZE_H
6 #define BITCOIN_SERIALIZE_H
12 #include <type_traits>
19 #if defined __USE_MINGW_ANSI_STDIO
20 #undef __USE_MINGW_ANSI_STDIO // This constant forces MinGW to conduct stupid behavior
26 static const unsigned int MAX_SIZE = 0x02000000;
28 // Used to bypass the rule against non-const reference to temporary
29 // where it makes sense with wrappers such as CFlatData or CTxDB
31 inline T& REF(const T& val)
33 return const_cast<T&>(val);
36 /////////////////////////////////////////////////////////////////
38 // Templates for serializing to anything that looks like a stream,
39 // i.e. anything that supports .read(char*, int) and .write(char*, int)
45 SER_NETWORK = (1 << 0),
47 SER_GETHASH = (1 << 2),
50 SER_SKIPSIG = (1 << 16),
51 SER_BLOCKHEADERONLY = (1 << 17)
55 #define IMPLEMENT_SERIALIZE(statements) \
56 unsigned int GetSerializeSize(int nType, int nVersion) const \
58 CSerActionGetSerializeSize ser_action; \
59 const bool fGetSize = true; \
60 const bool fWrite = false; \
61 const bool fRead = false; \
62 unsigned int nSerSize = 0; \
63 ser_streamplaceholder s; \
64 assert(fGetSize||fWrite||fRead); /* suppress warning */ \
66 s.nVersion = nVersion; \
70 template<typename Stream> \
71 void Serialize(Stream& s, int nType, int nVersion) const \
73 CSerActionSerialize ser_action; \
74 const bool fGetSize = false; \
75 const bool fWrite = true; \
76 const bool fRead = false; \
77 unsigned int nSerSize = 0; \
78 assert(fGetSize||fWrite||fRead); /* suppress warning */ \
81 template<typename Stream> \
82 void Unserialize(Stream& s, int nType, int nVersion) \
84 CSerActionUnserialize ser_action; \
85 const bool fGetSize = false; \
86 const bool fWrite = false; \
87 const bool fRead = true; \
88 unsigned int nSerSize = 0; \
89 assert(fGetSize||fWrite||fRead); /* suppress warning */ \
93 #define READWRITE(obj) (nSerSize += ::SerReadWrite(s, (obj), nType, nVersion, ser_action))
103 #define WRITEDATA(s, obj) s.write((char*)&(obj), sizeof(obj))
104 #define READDATA(s, obj) s.read((char*)&(obj), sizeof(obj))
106 inline unsigned int GetSerializeSize(char a, int, int=0) { return sizeof(a); }
107 inline unsigned int GetSerializeSize(signed char a, int, int=0) { return sizeof(a); }
108 inline unsigned int GetSerializeSize(unsigned char a, int, int=0) { return sizeof(a); }
109 inline unsigned int GetSerializeSize(signed short a, int, int=0) { return sizeof(a); }
110 inline unsigned int GetSerializeSize(unsigned short a, int, int=0) { return sizeof(a); }
111 inline unsigned int GetSerializeSize(signed int a, int, int=0) { return sizeof(a); }
112 inline unsigned int GetSerializeSize(unsigned int a, int, int=0) { return sizeof(a); }
113 //inline unsigned int GetSerializeSize(signed long a, int, int=0) { return sizeof(a); }
114 //inline unsigned int GetSerializeSize(unsigned long a, int, int=0) { return sizeof(a); }
115 inline unsigned int GetSerializeSize(int64_t a, int, int=0) { return sizeof(a); }
116 inline unsigned int GetSerializeSize(uint64_t a, int, int=0) { return sizeof(a); }
117 inline unsigned int GetSerializeSize(float a, int, int=0) { return sizeof(a); }
118 inline unsigned int GetSerializeSize(double a, int, int=0) { return sizeof(a); }
120 template<typename Stream> inline void Serialize(Stream& s, char a, int, int=0) { WRITEDATA(s, a); }
121 template<typename Stream> inline void Serialize(Stream& s, signed char a, int, int=0) { WRITEDATA(s, a); }
122 template<typename Stream> inline void Serialize(Stream& s, unsigned char a, int, int=0) { WRITEDATA(s, a); }
123 template<typename Stream> inline void Serialize(Stream& s, signed short a, int, int=0) { WRITEDATA(s, a); }
124 template<typename Stream> inline void Serialize(Stream& s, unsigned short a, int, int=0) { WRITEDATA(s, a); }
125 template<typename Stream> inline void Serialize(Stream& s, signed int a, int, int=0) { WRITEDATA(s, a); }
126 template<typename Stream> inline void Serialize(Stream& s, unsigned int a, int, int=0) { WRITEDATA(s, a); }
127 //template<typename Stream> inline void Serialize(Stream& s, signed long a, int, int=0) { WRITEDATA(s, a); }
128 //template<typename Stream> inline void Serialize(Stream& s, unsigned long a, int, int=0) { WRITEDATA(s, a); }
129 template<typename Stream> inline void Serialize(Stream& s, int64_t a, int, int=0) { WRITEDATA(s, a); }
130 template<typename Stream> inline void Serialize(Stream& s, uint64_t a, int, int=0) { WRITEDATA(s, a); }
131 template<typename Stream> inline void Serialize(Stream& s, float a, int, int=0) { WRITEDATA(s, a); }
132 template<typename Stream> inline void Serialize(Stream& s, double a, int, int=0) { WRITEDATA(s, a); }
134 template<typename Stream> inline void Unserialize(Stream& s, char& a, int, int=0) { READDATA(s, a); }
135 template<typename Stream> inline void Unserialize(Stream& s, signed char& a, int, int=0) { READDATA(s, a); }
136 template<typename Stream> inline void Unserialize(Stream& s, unsigned char& a, int, int=0) { READDATA(s, a); }
137 template<typename Stream> inline void Unserialize(Stream& s, signed short& a, int, int=0) { READDATA(s, a); }
138 template<typename Stream> inline void Unserialize(Stream& s, unsigned short& a, int, int=0) { READDATA(s, a); }
139 template<typename Stream> inline void Unserialize(Stream& s, signed int& a, int, int=0) { READDATA(s, a); }
140 template<typename Stream> inline void Unserialize(Stream& s, unsigned int& a, int, int=0) { READDATA(s, a); }
141 //template<typename Stream> inline void Unserialize(Stream& s, signed long& a, int, int=0) { READDATA(s, a); }
142 //template<typename Stream> inline void Unserialize(Stream& s, unsigned long& a, int, int=0) { READDATA(s, a); }
143 template<typename Stream> inline void Unserialize(Stream& s, int64_t& a, int, int=0) { READDATA(s, a); }
144 template<typename Stream> inline void Unserialize(Stream& s, uint64_t& a, int, int=0) { READDATA(s, a); }
145 template<typename Stream> inline void Unserialize(Stream& s, float& a, int, int=0) { READDATA(s, a); }
146 template<typename Stream> inline void Unserialize(Stream& s, double& a, int, int=0) { READDATA(s, a); }
148 inline unsigned int GetSerializeSize(bool a, int, int=0) { return sizeof(char); }
149 template<typename Stream> inline void Serialize(Stream& s, bool a, int, int=0) { char f=a; WRITEDATA(s, f); }
150 template<typename Stream> inline void Unserialize(Stream& s, bool& a, int, int=0) { char f; READDATA(s, f); a=f; }
159 // size < 253 -- 1 byte
160 // size <= USHRT_MAX -- 3 bytes (253 + 2 bytes)
161 // size <= UINT_MAX -- 5 bytes (254 + 4 bytes)
162 // size > UINT_MAX -- 9 bytes (255 + 8 bytes)
164 inline unsigned int GetSizeOfCompactSize(uint64_t nSize)
166 if (nSize < 253) return sizeof(unsigned char);
167 else if (nSize <= std::numeric_limits<unsigned short>::max()) return sizeof(unsigned char) + sizeof(unsigned short);
168 else if (nSize <= std::numeric_limits<unsigned int>::max()) return sizeof(unsigned char) + sizeof(unsigned int);
169 else return sizeof(unsigned char) + sizeof(uint64_t);
172 template<typename Stream>
173 void WriteCompactSize(Stream& os, uint64_t nSize)
177 unsigned char chSize = (unsigned char)nSize;
178 WRITEDATA(os, chSize);
180 else if (nSize <= std::numeric_limits<unsigned short>::max())
182 unsigned char chSize = 253;
183 unsigned short xSize = (unsigned short)nSize;
184 WRITEDATA(os, chSize);
185 WRITEDATA(os, xSize);
187 else if (nSize <= std::numeric_limits<unsigned int>::max())
189 unsigned char chSize = 254;
190 unsigned int xSize = (unsigned int)nSize;
191 WRITEDATA(os, chSize);
192 WRITEDATA(os, xSize);
196 unsigned char chSize = 255;
197 uint64_t xSize = nSize;
198 WRITEDATA(os, chSize);
199 WRITEDATA(os, xSize);
204 template<typename Stream>
205 uint64_t ReadCompactSize(Stream& is)
207 unsigned char chSize;
208 READDATA(is, chSize);
209 uint64_t nSizeRet = 0;
214 else if (chSize == 253)
216 unsigned short xSize;
220 else if (chSize == 254)
232 if (nSizeRet > (uint64_t)MAX_SIZE)
233 throw std::ios_base::failure("ReadCompactSize() : size too large");
237 // Variable-length integers: bytes are a MSB base-128 encoding of the number.
238 // The high bit in each byte signifies whether another digit follows. To make
239 // the encoding is one-to-one, one is subtracted from all but the last digit.
240 // Thus, the byte sequence a[] with length len, where all but the last byte
241 // has bit 128 set, encodes the number:
243 // (a[len-1] & 0x7F) + sum(i=1..len-1, 128^i*((a[len-i-1] & 0x7F)+1))
246 // * Very small (0-127: 1 byte, 128-16511: 2 bytes, 16512-2113663: 3 bytes)
247 // * Every integer has exactly one encoding
248 // * Encoding does not depend on size of original integer type
249 // * No redundancy: every (infinite) byte sequence corresponds to a list
250 // of encoded integers.
252 // 0: [0x00] 256: [0x81 0x00]
253 // 1: [0x01] 16383: [0xFE 0x7F]
254 // 127: [0x7F] 16384: [0xFF 0x00]
255 // 128: [0x80 0x00] 16511: [0x80 0xFF 0x7F]
256 // 255: [0x80 0x7F] 65535: [0x82 0xFD 0x7F]
257 // 2^32: [0x8E 0xFE 0xFE 0xFF 0x00]
260 inline unsigned int GetSizeOfVarInt(I n)
272 template<typename Stream, typename I>
273 void WriteVarInt(Stream& os, I n)
275 unsigned char tmp[(sizeof(n)*8+6)/7];
278 tmp[len] = (n & 0x7F) | (len ? 0x80 : 0x00);
285 WRITEDATA(os, tmp[len]);
289 template<typename Stream, typename I>
290 I ReadVarInt(Stream& is)
294 unsigned char chData;
295 READDATA(is, chData);
296 n = (n << 7) | (chData & 0x7F);
304 #define FLATDATA(obj) REF(CFlatData((char*)&(obj), (char*)&(obj) + sizeof(obj)))
305 #define VARINT(obj) REF(WrapVarInt(REF(obj)))
307 /** Wrapper for serializing arrays and POD.
315 CFlatData(void* pbeginIn, void* pendIn) : pbegin((char*)pbeginIn), pend((char*)pendIn) { }
316 char* begin() { return pbegin; }
317 const char* begin() const { return pbegin; }
318 char* end() { return pend; }
319 const char* end() const { return pend; }
321 unsigned int GetSerializeSize(int, int=0) const
323 return (unsigned int)(pend - pbegin);
326 template<typename Stream>
327 void Serialize(Stream& s, int, int=0) const
329 s.write(pbegin, (int)(pend - pbegin));
332 template<typename Stream>
333 void Unserialize(Stream& s, int, int=0)
335 s.read(pbegin, pend - pbegin);
345 CVarInt(I& nIn) : n(nIn) { }
347 unsigned int GetSerializeSize(int, int) const {
348 return GetSizeOfVarInt<I>(n);
351 template<typename Stream>
352 void Serialize(Stream &s, int, int) const {
353 WriteVarInt<Stream,I>(s, n);
356 template<typename Stream>
357 void Unserialize(Stream& s, int, int) {
358 n = ReadVarInt<Stream,I>(s);
363 CVarInt<I> WrapVarInt(I& n) { return CVarInt<I>(n); }
366 // Forward declarations
370 template<typename C> unsigned int GetSerializeSize(const std::basic_string<C>& str, int, int=0);
371 template<typename Stream, typename C> void Serialize(Stream& os, const std::basic_string<C>& str, int, int=0);
372 template<typename Stream, typename C> void Unserialize(Stream& is, std::basic_string<C>& str, int, int=0);
375 template<typename T, typename A> unsigned int GetSerializeSize_impl(const std::vector<T, A>& v, int nType, int nVersion, const std::true_type&);
376 template<typename T, typename A> unsigned int GetSerializeSize_impl(const std::vector<T, A>& v, int nType, int nVersion, const std::false_type&);
377 template<typename T, typename A> inline unsigned int GetSerializeSize(const std::vector<T, A>& v, int nType, int nVersion);
378 template<typename Stream, typename T, typename A> void Serialize_impl(Stream& os, const std::vector<T, A>& v, int nType, int nVersion, const std::true_type&);
379 template<typename Stream, typename T, typename A> void Serialize_impl(Stream& os, const std::vector<T, A>& v, int nType, int nVersion, const std::false_type&);
380 template<typename Stream, typename T, typename A> inline void Serialize(Stream& os, const std::vector<T, A>& v, int nType, int nVersion);
381 template<typename Stream, typename T, typename A> void Unserialize_impl(Stream& is, std::vector<T, A>& v, int nType, int nVersion, const std::true_type&);
382 template<typename Stream, typename T, typename A> void Unserialize_impl(Stream& is, std::vector<T, A>& v, int nType, int nVersion, const std::false_type&);
383 template<typename Stream, typename T, typename A> inline void Unserialize(Stream& is, std::vector<T, A>& v, int nType, int nVersion);
385 // others derived from vector
386 extern inline unsigned int GetSerializeSize(const CScript& v, int nType, int nVersion);
387 template<typename Stream> void Serialize(Stream& os, const CScript& v, int nType, int nVersion);
388 template<typename Stream> void Unserialize(Stream& is, CScript& v, int nType, int nVersion);
391 template<typename K, typename T> unsigned int GetSerializeSize(const std::pair<K, T>& item, int nType, int nVersion);
392 template<typename Stream, typename K, typename T> void Serialize(Stream& os, const std::pair<K, T>& item, int nType, int nVersion);
393 template<typename Stream, typename K, typename T> void Unserialize(Stream& is, std::pair<K, T>& item, int nType, int nVersion);
396 template<typename T0, typename T1, typename T2> unsigned int GetSerializeSize(const std::tuple<T0, T1, T2>& item, int nType, int nVersion);
397 template<typename Stream, typename T0, typename T1, typename T2> void Serialize(Stream& os, const std::tuple<T0, T1, T2>& item, int nType, int nVersion);
398 template<typename Stream, typename T0, typename T1, typename T2> void Unserialize(Stream& is, std::tuple<T0, T1, T2>& item, int nType, int nVersion);
401 template<typename T0, typename T1, typename T2, typename T3> unsigned int GetSerializeSize(const std::tuple<T0, T1, T2, T3>& item, int nType, int nVersion);
402 template<typename Stream, typename T0, typename T1, typename T2, typename T3> void Serialize(Stream& os, const std::tuple<T0, T1, T2, T3>& item, int nType, int nVersion);
403 template<typename Stream, typename T0, typename T1, typename T2, typename T3> void Unserialize(Stream& is, std::tuple<T0, T1, T2, T3>& item, int nType, int nVersion);
406 template<typename K, typename T, typename Pred, typename A> unsigned int GetSerializeSize(const std::map<K, T, Pred, A>& m, int nType, int nVersion);
407 template<typename Stream, typename K, typename T, typename Pred, typename A> void Serialize(Stream& os, const std::map<K, T, Pred, A>& m, int nType, int nVersion);
408 template<typename Stream, typename K, typename T, typename Pred, typename A> void Unserialize(Stream& is, std::map<K, T, Pred, A>& m, int nType, int nVersion);
411 template<typename K, typename Pred, typename A> unsigned int GetSerializeSize(const std::set<K, Pred, A>& m, int nType, int nVersion);
412 template<typename Stream, typename K, typename Pred, typename A> void Serialize(Stream& os, const std::set<K, Pred, A>& m, int nType, int nVersion);
413 template<typename Stream, typename K, typename Pred, typename A> void Unserialize(Stream& is, std::set<K, Pred, A>& m, int nType, int nVersion);
420 // If none of the specialized versions above matched, default to calling member function.
421 // "int nType" is changed to "long nType" to keep from getting an ambiguous overload error.
422 // The compiler will only cast int to long if none of the other templates matched.
423 // Thanks to Boost serialization for this idea.
426 inline unsigned int GetSerializeSize(const T& a, long nType, int nVersion)
428 return a.GetSerializeSize((int)nType, nVersion);
431 template<typename Stream, typename T>
432 inline void Serialize(Stream& os, const T& a, long nType, int nVersion)
434 a.Serialize(os, (int)nType, nVersion);
437 template<typename Stream, typename T>
438 inline void Unserialize(Stream& is, T& a, long nType, int nVersion)
440 a.Unserialize(is, (int)nType, nVersion);
451 unsigned int GetSerializeSize(const std::basic_string<C>& str, int, int)
453 return (unsigned int)(GetSizeOfCompactSize(str.size()) + str.size() * sizeof(str[0]));
456 template<typename Stream, typename C>
457 void Serialize(Stream& os, const std::basic_string<C>& str, int, int)
459 WriteCompactSize(os, str.size());
461 os.write((char*)&str[0], (int)(str.size() * sizeof(str[0])));
464 template<typename Stream, typename C>
465 void Unserialize(Stream& is, std::basic_string<C>& str, int, int)
467 unsigned int nSize = (unsigned int)(ReadCompactSize(is));
470 is.read((char*)&str[0], nSize * sizeof(str[0]));
478 template<typename T, typename A>
479 unsigned int GetSerializeSize_impl(const std::vector<T, A>& v, int nType, int nVersion, const std::true_type&)
481 return (unsigned int)(GetSizeOfCompactSize(v.size()) + v.size() * sizeof(T));
484 template<typename T, typename A>
485 unsigned int GetSerializeSize_impl(const std::vector<T, A>& v, int nType, int nVersion, const std::false_type&)
487 unsigned int nSize = GetSizeOfCompactSize(v.size());
488 for (typename std::vector<T, A>::const_iterator vi = v.begin(); vi != v.end(); ++vi)
489 nSize += GetSerializeSize((*vi), nType, nVersion);
493 template<typename T, typename A>
494 inline unsigned int GetSerializeSize(const std::vector<T, A>& v, int nType, int nVersion)
496 return GetSerializeSize_impl(v, nType, nVersion, std::is_fundamental<T>());
500 template<typename Stream, typename T, typename A>
501 void Serialize_impl(Stream& os, const std::vector<T, A>& v, int nType, int nVersion, const std::true_type&)
503 WriteCompactSize(os, v.size());
505 os.write((char*)&v[0], (int)(v.size() * sizeof(T)));
508 template<typename Stream, typename T, typename A>
509 void Serialize_impl(Stream& os, const std::vector<T, A>& v, int nType, int nVersion, const std::false_type&)
511 WriteCompactSize(os, v.size());
512 for (typename std::vector<T, A>::const_iterator vi = v.begin(); vi != v.end(); ++vi)
513 ::Serialize(os, (*vi), nType, nVersion);
516 template<typename Stream, typename T, typename A>
517 inline void Serialize(Stream& os, const std::vector<T, A>& v, int nType, int nVersion)
519 Serialize_impl(os, v, nType, nVersion, std::is_fundamental<T>());
523 template<typename Stream, typename T, typename A>
524 void Unserialize_impl(Stream& is, std::vector<T, A>& v, int nType, int nVersion, const std::true_type&)
526 // Limit size per read so bogus size value won't cause out of memory
528 unsigned int nSize = (unsigned int)(ReadCompactSize(is));
532 unsigned int blk = std::min(nSize - i, (unsigned int)(1 + 4999999 / sizeof(T)));
534 is.read((char*)&v[i], blk * sizeof(T));
539 template<typename Stream, typename T, typename A>
540 void Unserialize_impl(Stream& is, std::vector<T, A>& v, int nType, int nVersion, const std::false_type&)
543 unsigned int nSize = (unsigned int)(ReadCompactSize(is));
545 unsigned int nMid = 0;
548 nMid += 5000000 / sizeof(T);
552 for (; i < nMid; i++)
553 Unserialize(is, v[i], nType, nVersion);
557 template<typename Stream, typename T, typename A>
558 inline void Unserialize(Stream& is, std::vector<T, A>& v, int nType, int nVersion)
560 Unserialize_impl(is, v, nType, nVersion, std::is_fundamental<T>());
566 // others derived from vector
568 inline unsigned int GetSerializeSize(const CScript& v, int nType, int nVersion)
570 return GetSerializeSize((const std::vector<unsigned char>&)v, nType, nVersion);
573 template<typename Stream>
574 void Serialize(Stream& os, const CScript& v, int nType, int nVersion)
576 Serialize(os, (const std::vector<unsigned char>&)v, nType, nVersion);
579 template<typename Stream>
580 void Unserialize(Stream& is, CScript& v, int nType, int nVersion)
582 Unserialize(is, (std::vector<unsigned char>&)v, nType, nVersion);
590 template<typename K, typename T>
591 unsigned int GetSerializeSize(const std::pair<K, T>& item, int nType, int nVersion)
593 return GetSerializeSize(item.first, nType, nVersion) + GetSerializeSize(item.second, nType, nVersion);
596 template<typename Stream, typename K, typename T>
597 void Serialize(Stream& os, const std::pair<K, T>& item, int nType, int nVersion)
599 Serialize(os, item.first, nType, nVersion);
600 Serialize(os, item.second, nType, nVersion);
603 template<typename Stream, typename K, typename T>
604 void Unserialize(Stream& is, std::pair<K, T>& item, int nType, int nVersion)
606 Unserialize(is, item.first, nType, nVersion);
607 Unserialize(is, item.second, nType, nVersion);
615 template<typename T0, typename T1, typename T2>
616 unsigned int GetSerializeSize(const std::tuple<T0, T1, T2>& item, int nType, int nVersion)
618 unsigned int nSize = 0;
619 nSize += GetSerializeSize(std::get<0>(item), nType, nVersion);
620 nSize += GetSerializeSize(std::get<1>(item), nType, nVersion);
621 nSize += GetSerializeSize(std::get<2>(item), nType, nVersion);
625 template<typename Stream, typename T0, typename T1, typename T2>
626 void Serialize(Stream& os, const std::tuple<T0, T1, T2>& item, int nType, int nVersion)
628 Serialize(os, std::get<0>(item), nType, nVersion);
629 Serialize(os, std::get<1>(item), nType, nVersion);
630 Serialize(os, std::get<2>(item), nType, nVersion);
633 template<typename Stream, typename T0, typename T1, typename T2>
634 void Unserialize(Stream& is, std::tuple<T0, T1, T2>& item, int nType, int nVersion)
636 Unserialize(is, std::get<0>(item), nType, nVersion);
637 Unserialize(is, std::get<1>(item), nType, nVersion);
638 Unserialize(is, std::get<2>(item), nType, nVersion);
646 template<typename T0, typename T1, typename T2, typename T3>
647 unsigned int GetSerializeSize(const std::tuple<T0, T1, T2, T3>& item, int nType, int nVersion)
649 unsigned int nSize = 0;
650 nSize += GetSerializeSize(std::get<0>(item), nType, nVersion);
651 nSize += GetSerializeSize(std::get<1>(item), nType, nVersion);
652 nSize += GetSerializeSize(std::get<2>(item), nType, nVersion);
653 nSize += GetSerializeSize(std::get<3>(item), nType, nVersion);
657 template<typename Stream, typename T0, typename T1, typename T2, typename T3>
658 void Serialize(Stream& os, const std::tuple<T0, T1, T2, T3>& item, int nType, int nVersion)
660 Serialize(os, std::get<0>(item), nType, nVersion);
661 Serialize(os, std::get<1>(item), nType, nVersion);
662 Serialize(os, std::get<2>(item), nType, nVersion);
663 Serialize(os, std::get<3>(item), nType, nVersion);
666 template<typename Stream, typename T0, typename T1, typename T2, typename T3>
667 void Unserialize(Stream& is, std::tuple<T0, T1, T2, T3>& item, int nType, int nVersion)
669 Unserialize(is, std::get<0>(item), nType, nVersion);
670 Unserialize(is, std::get<1>(item), nType, nVersion);
671 Unserialize(is, std::get<2>(item), nType, nVersion);
672 Unserialize(is, std::get<3>(item), nType, nVersion);
680 template<typename K, typename T, typename Pred, typename A>
681 unsigned int GetSerializeSize(const std::map<K, T, Pred, A>& m, int nType, int nVersion)
683 unsigned int nSize = GetSizeOfCompactSize(m.size());
684 for (typename std::map<K, T, Pred, A>::const_iterator mi = m.begin(); mi != m.end(); ++mi)
685 nSize += GetSerializeSize((*mi), nType, nVersion);
689 template<typename Stream, typename K, typename T, typename Pred, typename A>
690 void Serialize(Stream& os, const std::map<K, T, Pred, A>& m, int nType, int nVersion)
692 WriteCompactSize(os, m.size());
693 for (typename std::map<K, T, Pred, A>::const_iterator mi = m.begin(); mi != m.end(); ++mi)
694 Serialize(os, (*mi), nType, nVersion);
697 template<typename Stream, typename K, typename T, typename Pred, typename A>
698 void Unserialize(Stream& is, std::map<K, T, Pred, A>& m, int nType, int nVersion)
701 unsigned int nSize = (unsigned int)(ReadCompactSize(is));
702 typename std::map<K, T, Pred, A>::iterator mi = m.begin();
703 for (unsigned int i = 0; i < nSize; i++)
705 std::pair<K, T> item;
706 Unserialize(is, item, nType, nVersion);
707 mi = m.insert(mi, item);
716 template<typename K, typename Pred, typename A>
717 unsigned int GetSerializeSize(const std::set<K, Pred, A>& m, int nType, int nVersion)
719 unsigned int nSize = GetSizeOfCompactSize(m.size());
720 for (typename std::set<K, Pred, A>::const_iterator it = m.begin(); it != m.end(); ++it)
721 nSize += GetSerializeSize((*it), nType, nVersion);
725 template<typename Stream, typename K, typename Pred, typename A>
726 void Serialize(Stream& os, const std::set<K, Pred, A>& m, int nType, int nVersion)
728 WriteCompactSize(os, m.size());
729 for (typename std::set<K, Pred, A>::const_iterator it = m.begin(); it != m.end(); ++it)
730 Serialize(os, (*it), nType, nVersion);
733 template<typename Stream, typename K, typename Pred, typename A>
734 void Unserialize(Stream& is, std::set<K, Pred, A>& m, int nType, int nVersion)
737 unsigned int nSize = ReadCompactSize(is);
738 typename std::set<K, Pred, A>::iterator it = m.begin();
739 for (unsigned int i = 0; i < nSize; i++)
742 Unserialize(is, key, nType, nVersion);
743 it = m.insert(it, key);
750 // Support for IMPLEMENT_SERIALIZE and READWRITE macro
752 class CSerActionGetSerializeSize { };
753 class CSerActionSerialize { };
754 class CSerActionUnserialize { };
756 template<typename Stream, typename T>
757 inline unsigned int SerReadWrite(Stream& s, const T& obj, int nType, int nVersion, CSerActionGetSerializeSize ser_action)
759 return ::GetSerializeSize(obj, nType, nVersion);
762 template<typename Stream, typename T>
763 inline unsigned int SerReadWrite(Stream& s, const T& obj, int nType, int nVersion, CSerActionSerialize ser_action)
765 ::Serialize(s, obj, nType, nVersion);
769 template<typename Stream, typename T>
770 inline unsigned int SerReadWrite(Stream& s, T& obj, int nType, int nVersion, CSerActionUnserialize ser_action)
772 ::Unserialize(s, obj, nType, nVersion);
776 struct ser_streamplaceholder