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
14 #include <type_traits>
21 #if defined __USE_MINGW_ANSI_STDIO
22 #undef __USE_MINGW_ANSI_STDIO // This constant forces MinGW to conduct stupid behavior
28 static const unsigned int MAX_SIZE = 0x02000000;
30 // Used to bypass the rule against non-const reference to temporary
31 // where it makes sense with wrappers such as CFlatData or CTxDB
33 inline T& REF(const T& val)
35 return const_cast<T&>(val);
38 /////////////////////////////////////////////////////////////////
40 // Templates for serializing to anything that looks like a stream,
41 // i.e. anything that supports .read(char*, int) and .write(char*, int)
47 SER_NETWORK = (1 << 0),
49 SER_GETHASH = (1 << 2),
52 SER_SKIPSIG = (1 << 16),
53 SER_BLOCKHEADERONLY = (1 << 17)
57 #define IMPLEMENT_SERIALIZE(statements) \
58 unsigned int GetSerializeSize(int nType, int nVersion) const \
60 CSerActionGetSerializeSize ser_action; \
61 const bool fGetSize = true; \
62 const bool fWrite = false; \
63 const bool fRead = false; \
64 unsigned int nSerSize = 0; \
65 ser_streamplaceholder s; \
66 assert(fGetSize||fWrite||fRead); /* suppress warning */ \
68 s.nVersion = nVersion; \
72 template<typename Stream> \
73 void Serialize(Stream& s, int nType, int nVersion) const \
75 CSerActionSerialize ser_action; \
76 const bool fGetSize = false; \
77 const bool fWrite = true; \
78 const bool fRead = false; \
79 unsigned int nSerSize = 0; \
80 assert(fGetSize||fWrite||fRead); /* suppress warning */ \
83 template<typename Stream> \
84 void Unserialize(Stream& s, int nType, int nVersion) \
86 CSerActionUnserialize ser_action; \
87 const bool fGetSize = false; \
88 const bool fWrite = false; \
89 const bool fRead = true; \
90 unsigned int nSerSize = 0; \
91 assert(fGetSize||fWrite||fRead); /* suppress warning */ \
95 #define READWRITE(obj) (nSerSize += ::SerReadWrite(s, (obj), nType, nVersion, ser_action))
105 #define WRITEDATA(s, obj) s.write((char*)&(obj), sizeof(obj))
106 #define READDATA(s, obj) s.read((char*)&(obj), sizeof(obj))
108 inline unsigned int GetSerializeSize(char a, int, int=0) { return sizeof(a); }
109 inline unsigned int GetSerializeSize(signed char a, int, int=0) { return sizeof(a); }
110 inline unsigned int GetSerializeSize(unsigned char a, int, int=0) { return sizeof(a); }
111 inline unsigned int GetSerializeSize(signed short a, int, int=0) { return sizeof(a); }
112 inline unsigned int GetSerializeSize(unsigned short a, int, int=0) { return sizeof(a); }
113 inline unsigned int GetSerializeSize(signed int a, int, int=0) { return sizeof(a); }
114 inline unsigned int GetSerializeSize(unsigned int a, int, int=0) { return sizeof(a); }
115 //inline unsigned int GetSerializeSize(signed long a, int, int=0) { return sizeof(a); }
116 //inline unsigned int GetSerializeSize(unsigned long a, int, int=0) { return sizeof(a); }
117 inline unsigned int GetSerializeSize(int64_t a, int, int=0) { return sizeof(a); }
118 inline unsigned int GetSerializeSize(uint64_t a, int, int=0) { return sizeof(a); }
119 inline unsigned int GetSerializeSize(float a, int, int=0) { return sizeof(a); }
120 inline unsigned int GetSerializeSize(double a, int, int=0) { return sizeof(a); }
122 template<typename Stream> inline void Serialize(Stream& s, char a, int, int=0) { WRITEDATA(s, a); }
123 template<typename Stream> inline void Serialize(Stream& s, signed char a, int, int=0) { WRITEDATA(s, a); }
124 template<typename Stream> inline void Serialize(Stream& s, unsigned char a, int, int=0) { WRITEDATA(s, a); }
125 template<typename Stream> inline void Serialize(Stream& s, signed short a, int, int=0) { WRITEDATA(s, a); }
126 template<typename Stream> inline void Serialize(Stream& s, unsigned short a, int, int=0) { WRITEDATA(s, a); }
127 template<typename Stream> inline void Serialize(Stream& s, signed int a, int, int=0) { WRITEDATA(s, a); }
128 template<typename Stream> inline void Serialize(Stream& s, unsigned int a, int, int=0) { WRITEDATA(s, a); }
129 //template<typename Stream> inline void Serialize(Stream& s, signed long a, int, int=0) { WRITEDATA(s, a); }
130 //template<typename Stream> inline void Serialize(Stream& s, unsigned long a, int, int=0) { WRITEDATA(s, a); }
131 template<typename Stream> inline void Serialize(Stream& s, int64_t a, int, int=0) { WRITEDATA(s, a); }
132 template<typename Stream> inline void Serialize(Stream& s, uint64_t a, int, int=0) { WRITEDATA(s, a); }
133 template<typename Stream> inline void Serialize(Stream& s, float a, int, int=0) { WRITEDATA(s, a); }
134 template<typename Stream> inline void Serialize(Stream& s, double a, int, int=0) { WRITEDATA(s, a); }
136 template<typename Stream> inline void Unserialize(Stream& s, char& a, int, int=0) { READDATA(s, a); }
137 template<typename Stream> inline void Unserialize(Stream& s, signed char& a, int, int=0) { READDATA(s, a); }
138 template<typename Stream> inline void Unserialize(Stream& s, unsigned char& a, int, int=0) { READDATA(s, a); }
139 template<typename Stream> inline void Unserialize(Stream& s, signed short& a, int, int=0) { READDATA(s, a); }
140 template<typename Stream> inline void Unserialize(Stream& s, unsigned short& a, int, int=0) { READDATA(s, a); }
141 template<typename Stream> inline void Unserialize(Stream& s, signed int& a, int, int=0) { READDATA(s, a); }
142 template<typename Stream> inline void Unserialize(Stream& s, unsigned int& a, int, int=0) { READDATA(s, a); }
143 //template<typename Stream> inline void Unserialize(Stream& s, signed long& a, int, int=0) { READDATA(s, a); }
144 //template<typename Stream> inline void Unserialize(Stream& s, unsigned long& a, int, int=0) { READDATA(s, a); }
145 template<typename Stream> inline void Unserialize(Stream& s, int64_t& a, int, int=0) { READDATA(s, a); }
146 template<typename Stream> inline void Unserialize(Stream& s, uint64_t& a, int, int=0) { READDATA(s, a); }
147 template<typename Stream> inline void Unserialize(Stream& s, float& a, int, int=0) { READDATA(s, a); }
148 template<typename Stream> inline void Unserialize(Stream& s, double& a, int, int=0) { READDATA(s, a); }
150 inline unsigned int GetSerializeSize(bool a, int, int=0) { return sizeof(char); }
151 template<typename Stream> inline void Serialize(Stream& s, bool a, int, int=0) { char f=a; WRITEDATA(s, f); }
152 template<typename Stream> inline void Unserialize(Stream& s, bool& a, int, int=0) { char f; READDATA(s, f); a=f; }
161 // size < 253 -- 1 byte
162 // size <= USHRT_MAX -- 3 bytes (253 + 2 bytes)
163 // size <= UINT_MAX -- 5 bytes (254 + 4 bytes)
164 // size > UINT_MAX -- 9 bytes (255 + 8 bytes)
166 inline unsigned int GetSizeOfCompactSize(uint64_t nSize)
168 if (nSize < 253) return sizeof(unsigned char);
169 else if (nSize <= std::numeric_limits<unsigned short>::max()) return sizeof(unsigned char) + sizeof(unsigned short);
170 else if (nSize <= std::numeric_limits<unsigned int>::max()) return sizeof(unsigned char) + sizeof(unsigned int);
171 else return sizeof(unsigned char) + sizeof(uint64_t);
174 template<typename Stream>
175 void WriteCompactSize(Stream& os, uint64_t nSize)
179 unsigned char chSize = (unsigned char)nSize;
180 WRITEDATA(os, chSize);
182 else if (nSize <= std::numeric_limits<unsigned short>::max())
184 unsigned char chSize = 253;
185 unsigned short xSize = (unsigned short)nSize;
186 WRITEDATA(os, chSize);
187 WRITEDATA(os, xSize);
189 else if (nSize <= std::numeric_limits<unsigned int>::max())
191 unsigned char chSize = 254;
192 unsigned int xSize = (unsigned int)nSize;
193 WRITEDATA(os, chSize);
194 WRITEDATA(os, xSize);
198 unsigned char chSize = 255;
199 uint64_t xSize = nSize;
200 WRITEDATA(os, chSize);
201 WRITEDATA(os, xSize);
206 template<typename Stream>
207 uint64_t ReadCompactSize(Stream& is)
209 unsigned char chSize;
210 READDATA(is, chSize);
211 uint64_t nSizeRet = 0;
216 else if (chSize == 253)
218 unsigned short xSize;
222 else if (chSize == 254)
234 if (nSizeRet > (uint64_t)MAX_SIZE)
235 throw std::ios_base::failure("ReadCompactSize() : size too large");
239 // Variable-length integers: bytes are a MSB base-128 encoding of the number.
240 // The high bit in each byte signifies whether another digit follows. To make
241 // the encoding is one-to-one, one is subtracted from all but the last digit.
242 // Thus, the byte sequence a[] with length len, where all but the last byte
243 // has bit 128 set, encodes the number:
245 // (a[len-1] & 0x7F) + sum(i=1..len-1, 128^i*((a[len-i-1] & 0x7F)+1))
248 // * Very small (0-127: 1 byte, 128-16511: 2 bytes, 16512-2113663: 3 bytes)
249 // * Every integer has exactly one encoding
250 // * Encoding does not depend on size of original integer type
251 // * No redundancy: every (infinite) byte sequence corresponds to a list
252 // of encoded integers.
254 // 0: [0x00] 256: [0x81 0x00]
255 // 1: [0x01] 16383: [0xFE 0x7F]
256 // 127: [0x7F] 16384: [0xFF 0x00]
257 // 128: [0x80 0x00] 16511: [0x80 0xFF 0x7F]
258 // 255: [0x80 0x7F] 65535: [0x82 0xFD 0x7F]
259 // 2^32: [0x8E 0xFE 0xFE 0xFF 0x00]
262 inline unsigned int GetSizeOfVarInt(I n)
274 template<typename Stream, typename I>
275 void WriteVarInt(Stream& os, I n)
277 unsigned char tmp[(sizeof(n)*8+6)/7];
280 tmp[len] = (n & 0x7F) | (len ? 0x80 : 0x00);
287 WRITEDATA(os, tmp[len]);
291 template<typename Stream, typename I>
292 I ReadVarInt(Stream& is)
296 unsigned char chData;
297 READDATA(is, chData);
298 n = (n << 7) | (chData & 0x7F);
306 #define FLATDATA(obj) REF(CFlatData((char*)&(obj), (char*)&(obj) + sizeof(obj)))
307 #define VARINT(obj) REF(WrapVarInt(REF(obj)))
309 /** Wrapper for serializing arrays and POD.
317 CFlatData(void* pbeginIn, void* pendIn) : pbegin((char*)pbeginIn), pend((char*)pendIn) { }
318 char* begin() { return pbegin; }
319 const char* begin() const { return pbegin; }
320 char* end() { return pend; }
321 const char* end() const { return pend; }
323 unsigned int GetSerializeSize(int, int=0) const
325 return (unsigned int)(pend - pbegin);
328 template<typename Stream>
329 void Serialize(Stream& s, int, int=0) const
331 s.write(pbegin, (int)(pend - pbegin));
334 template<typename Stream>
335 void Unserialize(Stream& s, int, int=0)
337 s.read(pbegin, pend - pbegin);
347 CVarInt(I& nIn) : n(nIn) { }
349 unsigned int GetSerializeSize(int, int) const {
350 return GetSizeOfVarInt<I>(n);
353 template<typename Stream>
354 void Serialize(Stream &s, int, int) const {
355 WriteVarInt<Stream,I>(s, n);
358 template<typename Stream>
359 void Unserialize(Stream& s, int, int) {
360 n = ReadVarInt<Stream,I>(s);
365 CVarInt<I> WrapVarInt(I& n) { return CVarInt<I>(n); }
368 // Forward declarations
372 template<typename C> unsigned int GetSerializeSize(const std::basic_string<C>& str, int, int=0);
373 template<typename Stream, typename C> void Serialize(Stream& os, const std::basic_string<C>& str, int, int=0);
374 template<typename Stream, typename C> void Unserialize(Stream& is, std::basic_string<C>& str, int, int=0);
377 template<typename T, typename A> unsigned int GetSerializeSize_impl(const std::vector<T, A>& v, int nType, int nVersion, const std::true_type&);
378 template<typename T, typename A> unsigned int GetSerializeSize_impl(const std::vector<T, A>& v, int nType, int nVersion, const std::false_type&);
379 template<typename T, typename A> inline unsigned int GetSerializeSize(const std::vector<T, A>& v, int nType, int nVersion);
380 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&);
381 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&);
382 template<typename Stream, typename T, typename A> inline void Serialize(Stream& os, const std::vector<T, A>& v, int nType, int nVersion);
383 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&);
384 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&);
385 template<typename Stream, typename T, typename A> inline void Unserialize(Stream& is, std::vector<T, A>& v, int nType, int nVersion);
387 // others derived from vector
388 extern inline unsigned int GetSerializeSize(const CScript& v, int nType, int nVersion);
389 template<typename Stream> void Serialize(Stream& os, const CScript& v, int nType, int nVersion);
390 template<typename Stream> void Unserialize(Stream& is, CScript& v, int nType, int nVersion);
393 template<typename K, typename T> unsigned int GetSerializeSize(const std::pair<K, T>& item, int nType, int nVersion);
394 template<typename Stream, typename K, typename T> void Serialize(Stream& os, const std::pair<K, T>& item, int nType, int nVersion);
395 template<typename Stream, typename K, typename T> void Unserialize(Stream& is, std::pair<K, T>& item, int nType, int nVersion);
398 template<typename T0, typename T1, typename T2> unsigned int GetSerializeSize(const std::tuple<T0, T1, T2>& item, int nType, int nVersion);
399 template<typename Stream, typename T0, typename T1, typename T2> void Serialize(Stream& os, const std::tuple<T0, T1, T2>& item, int nType, int nVersion);
400 template<typename Stream, typename T0, typename T1, typename T2> void Unserialize(Stream& is, std::tuple<T0, T1, T2>& item, int nType, int nVersion);
403 template<typename T0, typename T1, typename T2, typename T3> unsigned int GetSerializeSize(const std::tuple<T0, T1, T2, T3>& item, int nType, int nVersion);
404 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);
405 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);
408 template<typename K, typename T, typename Pred, typename A> unsigned int GetSerializeSize(const std::map<K, T, Pred, A>& m, int nType, int nVersion);
409 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);
410 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);
413 template<typename K, typename Pred, typename A> unsigned int GetSerializeSize(const std::set<K, Pred, A>& m, int nType, int nVersion);
414 template<typename Stream, typename K, typename Pred, typename A> void Serialize(Stream& os, const std::set<K, Pred, A>& m, int nType, int nVersion);
415 template<typename Stream, typename K, typename Pred, typename A> void Unserialize(Stream& is, std::set<K, Pred, A>& m, int nType, int nVersion);
422 // If none of the specialized versions above matched, default to calling member function.
423 // "int nType" is changed to "long nType" to keep from getting an ambiguous overload error.
424 // The compiler will only cast int to long if none of the other templates matched.
425 // Thanks to Boost serialization for this idea.
428 inline unsigned int GetSerializeSize(const T& a, long nType, int nVersion)
430 return a.GetSerializeSize((int)nType, nVersion);
433 template<typename Stream, typename T>
434 inline void Serialize(Stream& os, const T& a, long nType, int nVersion)
436 a.Serialize(os, (int)nType, nVersion);
439 template<typename Stream, typename T>
440 inline void Unserialize(Stream& is, T& a, long nType, int nVersion)
442 a.Unserialize(is, (int)nType, nVersion);
453 unsigned int GetSerializeSize(const std::basic_string<C>& str, int, int)
455 return (unsigned int)(GetSizeOfCompactSize(str.size()) + str.size() * sizeof(str[0]));
458 template<typename Stream, typename C>
459 void Serialize(Stream& os, const std::basic_string<C>& str, int, int)
461 WriteCompactSize(os, str.size());
463 os.write((char*)&str[0], (int)(str.size() * sizeof(str[0])));
466 template<typename Stream, typename C>
467 void Unserialize(Stream& is, std::basic_string<C>& str, int, int)
469 unsigned int nSize = (unsigned int)(ReadCompactSize(is));
472 is.read((char*)&str[0], nSize * sizeof(str[0]));
480 template<typename T, typename A>
481 unsigned int GetSerializeSize_impl(const std::vector<T, A>& v, int nType, int nVersion, const std::true_type&)
483 return (unsigned int)(GetSizeOfCompactSize(v.size()) + v.size() * sizeof(T));
486 template<typename T, typename A>
487 unsigned int GetSerializeSize_impl(const std::vector<T, A>& v, int nType, int nVersion, const std::false_type&)
489 unsigned int nSize = GetSizeOfCompactSize(v.size());
490 for (typename std::vector<T, A>::const_iterator vi = v.begin(); vi != v.end(); ++vi)
491 nSize += GetSerializeSize((*vi), nType, nVersion);
495 template<typename T, typename A>
496 inline unsigned int GetSerializeSize(const std::vector<T, A>& v, int nType, int nVersion)
498 return GetSerializeSize_impl(v, nType, nVersion, std::is_fundamental<T>());
502 template<typename Stream, typename T, typename A>
503 void Serialize_impl(Stream& os, const std::vector<T, A>& v, int nType, int nVersion, const std::true_type&)
505 WriteCompactSize(os, v.size());
507 os.write((char*)&v[0], (int)(v.size() * sizeof(T)));
510 template<typename Stream, typename T, typename A>
511 void Serialize_impl(Stream& os, const std::vector<T, A>& v, int nType, int nVersion, const std::false_type&)
513 WriteCompactSize(os, v.size());
514 for (typename std::vector<T, A>::const_iterator vi = v.begin(); vi != v.end(); ++vi)
515 ::Serialize(os, (*vi), nType, nVersion);
518 template<typename Stream, typename T, typename A>
519 inline void Serialize(Stream& os, const std::vector<T, A>& v, int nType, int nVersion)
521 Serialize_impl(os, v, nType, nVersion, std::is_fundamental<T>());
525 template<typename Stream, typename T, typename A>
526 void Unserialize_impl(Stream& is, std::vector<T, A>& v, int nType, int nVersion, const std::true_type&)
528 // Limit size per read so bogus size value won't cause out of memory
530 unsigned int nSize = (unsigned int)(ReadCompactSize(is));
534 unsigned int blk = std::min(nSize - i, (unsigned int)(1 + 4999999 / sizeof(T)));
536 is.read((char*)&v[i], blk * sizeof(T));
541 template<typename Stream, typename T, typename A>
542 void Unserialize_impl(Stream& is, std::vector<T, A>& v, int nType, int nVersion, const std::false_type&)
545 unsigned int nSize = (unsigned int)(ReadCompactSize(is));
547 unsigned int nMid = 0;
550 nMid += 5000000 / sizeof(T);
554 for (; i < nMid; i++)
555 Unserialize(is, v[i], nType, nVersion);
559 template<typename Stream, typename T, typename A>
560 inline void Unserialize(Stream& is, std::vector<T, A>& v, int nType, int nVersion)
562 Unserialize_impl(is, v, nType, nVersion, std::is_fundamental<T>());
568 // others derived from vector
570 inline unsigned int GetSerializeSize(const CScript& v, int nType, int nVersion)
572 return GetSerializeSize((const std::vector<unsigned char>&)v, nType, nVersion);
575 template<typename Stream>
576 void Serialize(Stream& os, const CScript& v, int nType, int nVersion)
578 Serialize(os, (const std::vector<unsigned char>&)v, nType, nVersion);
581 template<typename Stream>
582 void Unserialize(Stream& is, CScript& v, int nType, int nVersion)
584 Unserialize(is, (std::vector<unsigned char>&)v, nType, nVersion);
592 template<typename K, typename T>
593 unsigned int GetSerializeSize(const std::pair<K, T>& item, int nType, int nVersion)
595 return GetSerializeSize(item.first, nType, nVersion) + GetSerializeSize(item.second, nType, nVersion);
598 template<typename Stream, typename K, typename T>
599 void Serialize(Stream& os, const std::pair<K, T>& item, int nType, int nVersion)
601 Serialize(os, item.first, nType, nVersion);
602 Serialize(os, item.second, nType, nVersion);
605 template<typename Stream, typename K, typename T>
606 void Unserialize(Stream& is, std::pair<K, T>& item, int nType, int nVersion)
608 Unserialize(is, item.first, nType, nVersion);
609 Unserialize(is, item.second, nType, nVersion);
617 template<typename T0, typename T1, typename T2>
618 unsigned int GetSerializeSize(const std::tuple<T0, T1, T2>& item, int nType, int nVersion)
620 unsigned int nSize = 0;
621 nSize += GetSerializeSize(std::get<0>(item), nType, nVersion);
622 nSize += GetSerializeSize(std::get<1>(item), nType, nVersion);
623 nSize += GetSerializeSize(std::get<2>(item), nType, nVersion);
627 template<typename Stream, typename T0, typename T1, typename T2>
628 void Serialize(Stream& os, const std::tuple<T0, T1, T2>& item, int nType, int nVersion)
630 Serialize(os, std::get<0>(item), nType, nVersion);
631 Serialize(os, std::get<1>(item), nType, nVersion);
632 Serialize(os, std::get<2>(item), nType, nVersion);
635 template<typename Stream, typename T0, typename T1, typename T2>
636 void Unserialize(Stream& is, std::tuple<T0, T1, T2>& item, int nType, int nVersion)
638 Unserialize(is, std::get<0>(item), nType, nVersion);
639 Unserialize(is, std::get<1>(item), nType, nVersion);
640 Unserialize(is, std::get<2>(item), nType, nVersion);
648 template<typename T0, typename T1, typename T2, typename T3>
649 unsigned int GetSerializeSize(const std::tuple<T0, T1, T2, T3>& item, int nType, int nVersion)
651 unsigned int nSize = 0;
652 nSize += GetSerializeSize(std::get<0>(item), nType, nVersion);
653 nSize += GetSerializeSize(std::get<1>(item), nType, nVersion);
654 nSize += GetSerializeSize(std::get<2>(item), nType, nVersion);
655 nSize += GetSerializeSize(std::get<3>(item), nType, nVersion);
659 template<typename Stream, typename T0, typename T1, typename T2, typename T3>
660 void Serialize(Stream& os, const std::tuple<T0, T1, T2, T3>& item, int nType, int nVersion)
662 Serialize(os, std::get<0>(item), nType, nVersion);
663 Serialize(os, std::get<1>(item), nType, nVersion);
664 Serialize(os, std::get<2>(item), nType, nVersion);
665 Serialize(os, std::get<3>(item), nType, nVersion);
668 template<typename Stream, typename T0, typename T1, typename T2, typename T3>
669 void Unserialize(Stream& is, std::tuple<T0, T1, T2, T3>& item, int nType, int nVersion)
671 Unserialize(is, std::get<0>(item), nType, nVersion);
672 Unserialize(is, std::get<1>(item), nType, nVersion);
673 Unserialize(is, std::get<2>(item), nType, nVersion);
674 Unserialize(is, std::get<3>(item), nType, nVersion);
682 template<typename K, typename T, typename Pred, typename A>
683 unsigned int GetSerializeSize(const std::map<K, T, Pred, A>& m, int nType, int nVersion)
685 unsigned int nSize = GetSizeOfCompactSize(m.size());
686 for (typename std::map<K, T, Pred, A>::const_iterator mi = m.begin(); mi != m.end(); ++mi)
687 nSize += GetSerializeSize((*mi), nType, nVersion);
691 template<typename Stream, typename K, typename T, typename Pred, typename A>
692 void Serialize(Stream& os, const std::map<K, T, Pred, A>& m, int nType, int nVersion)
694 WriteCompactSize(os, m.size());
695 for (typename std::map<K, T, Pred, A>::const_iterator mi = m.begin(); mi != m.end(); ++mi)
696 Serialize(os, (*mi), nType, nVersion);
699 template<typename Stream, typename K, typename T, typename Pred, typename A>
700 void Unserialize(Stream& is, std::map<K, T, Pred, A>& m, int nType, int nVersion)
703 unsigned int nSize = (unsigned int)(ReadCompactSize(is));
704 typename std::map<K, T, Pred, A>::iterator mi = m.begin();
705 for (unsigned int i = 0; i < nSize; i++)
707 std::pair<K, T> item;
708 Unserialize(is, item, nType, nVersion);
709 mi = m.insert(mi, item);
718 template<typename K, typename Pred, typename A>
719 unsigned int GetSerializeSize(const std::set<K, Pred, A>& m, int nType, int nVersion)
721 unsigned int nSize = GetSizeOfCompactSize(m.size());
722 for (typename std::set<K, Pred, A>::const_iterator it = m.begin(); it != m.end(); ++it)
723 nSize += GetSerializeSize((*it), nType, nVersion);
727 template<typename Stream, typename K, typename Pred, typename A>
728 void Serialize(Stream& os, const std::set<K, Pred, A>& m, int nType, int nVersion)
730 WriteCompactSize(os, m.size());
731 for (typename std::set<K, Pred, A>::const_iterator it = m.begin(); it != m.end(); ++it)
732 Serialize(os, (*it), nType, nVersion);
735 template<typename Stream, typename K, typename Pred, typename A>
736 void Unserialize(Stream& is, std::set<K, Pred, A>& m, int nType, int nVersion)
739 unsigned int nSize = ReadCompactSize(is);
740 typename std::set<K, Pred, A>::iterator it = m.begin();
741 for (unsigned int i = 0; i < nSize; i++)
744 Unserialize(is, key, nType, nVersion);
745 it = m.insert(it, key);
752 // Support for IMPLEMENT_SERIALIZE and READWRITE macro
754 class CSerActionGetSerializeSize { };
755 class CSerActionSerialize { };
756 class CSerActionUnserialize { };
758 template<typename Stream, typename T>
759 inline unsigned int SerReadWrite(Stream& s, const T& obj, int nType, int nVersion, CSerActionGetSerializeSize ser_action)
761 return ::GetSerializeSize(obj, nType, nVersion);
764 template<typename Stream, typename T>
765 inline unsigned int SerReadWrite(Stream& s, const T& obj, int nType, int nVersion, CSerActionSerialize ser_action)
767 ::Serialize(s, obj, nType, nVersion);
771 template<typename Stream, typename T>
772 inline unsigned int SerReadWrite(Stream& s, T& obj, int nType, int nVersion, CSerActionUnserialize ser_action)
774 ::Unserialize(s, obj, nType, nVersion);
778 struct ser_streamplaceholder