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- // ECOin - Copyright (c) - 2014/2022 - GPLv3 - epsylon@riseup.net (https://03c8.net)
- #ifndef ECOIN_SERIALIZE_H
- #define ECOIN_SERIALIZE_H
- #include <string>
- #include <vector>
- #include <map>
- #include <set>
- #include <cassert>
- #include <limits>
- #include <cstring>
- #include <cstdio>
- #include <boost/type_traits/is_fundamental.hpp>
- #include <boost/tuple/tuple.hpp>
- #include <boost/tuple/tuple_comparison.hpp>
- #include <boost/tuple/tuple_io.hpp>
- #include "allocators.h"
- #include "version.h"
- typedef long long int64;
- typedef unsigned long long uint64;
- class CScript;
- class CDataStream;
- class CAutoFile;
- static const unsigned int MAX_SIZE = 0x02000000;
- // Used to bypass the rule against non-const reference to temporary
- // where it makes sense with wrappers such as CFlatData or CTxDB
- template<typename T>
- inline T& REF(const T& val)
- {
- return const_cast<T&>(val);
- }
- enum
- {
- // primary actions
- SER_NETWORK = (1 << 0),
- SER_DISK = (1 << 1),
- SER_GETHASH = (1 << 2),
- // modifiers
- SER_SKIPSIG = (1 << 16),
- SER_BLOCKHEADERONLY = (1 << 17),
- };
- #define IMPLEMENT_SERIALIZE(statements) \
- unsigned int GetSerializeSize(int nType, int nVersion) const \
- { \
- CSerActionGetSerializeSize ser_action; \
- const bool fGetSize = true; \
- const bool fWrite = false; \
- const bool fRead = false; \
- unsigned int nSerSize = 0; \
- ser_streamplaceholder s; \
- assert(fGetSize||fWrite||fRead); /* suppress warning */ \
- s.nType = nType; \
- s.nVersion = nVersion; \
- {statements} \
- return nSerSize; \
- } \
- template<typename Stream> \
- void Serialize(Stream& s, int nType, int nVersion) const \
- { \
- CSerActionSerialize ser_action; \
- const bool fGetSize = false; \
- const bool fWrite = true; \
- const bool fRead = false; \
- unsigned int nSerSize = 0; \
- assert(fGetSize||fWrite||fRead); /* suppress warning */ \
- {statements} \
- } \
- template<typename Stream> \
- void Unserialize(Stream& s, int nType, int nVersion) \
- { \
- CSerActionUnserialize ser_action; \
- const bool fGetSize = false; \
- const bool fWrite = false; \
- const bool fRead = true; \
- unsigned int nSerSize = 0; \
- assert(fGetSize||fWrite||fRead); /* suppress warning */ \
- {statements} \
- }
- #define READWRITE(obj) (nSerSize += ::SerReadWrite(s, (obj), nType, nVersion, ser_action))
- // Basic types
- #define WRITEDATA(s, obj) s.write((char*)&(obj), sizeof(obj))
- #define READDATA(s, obj) s.read((char*)&(obj), sizeof(obj))
- inline unsigned int GetSerializeSize(char a, int, int=0) { return sizeof(a); }
- inline unsigned int GetSerializeSize(signed char a, int, int=0) { return sizeof(a); }
- inline unsigned int GetSerializeSize(unsigned char a, int, int=0) { return sizeof(a); }
- inline unsigned int GetSerializeSize(signed short a, int, int=0) { return sizeof(a); }
- inline unsigned int GetSerializeSize(unsigned short a, int, int=0) { return sizeof(a); }
- inline unsigned int GetSerializeSize(signed int a, int, int=0) { return sizeof(a); }
- inline unsigned int GetSerializeSize(unsigned int a, int, int=0) { return sizeof(a); }
- inline unsigned int GetSerializeSize(signed long a, int, int=0) { return sizeof(a); }
- inline unsigned int GetSerializeSize(unsigned long a, int, int=0) { return sizeof(a); }
- inline unsigned int GetSerializeSize(int64 a, int, int=0) { return sizeof(a); }
- inline unsigned int GetSerializeSize(uint64 a, int, int=0) { return sizeof(a); }
- inline unsigned int GetSerializeSize(float a, int, int=0) { return sizeof(a); }
- inline unsigned int GetSerializeSize(double a, int, int=0) { return sizeof(a); }
- template<typename Stream> inline void Serialize(Stream& s, char a, int, int=0) { WRITEDATA(s, a); }
- template<typename Stream> inline void Serialize(Stream& s, signed char a, int, int=0) { WRITEDATA(s, a); }
- template<typename Stream> inline void Serialize(Stream& s, unsigned char a, int, int=0) { WRITEDATA(s, a); }
- template<typename Stream> inline void Serialize(Stream& s, signed short a, int, int=0) { WRITEDATA(s, a); }
- template<typename Stream> inline void Serialize(Stream& s, unsigned short a, int, int=0) { WRITEDATA(s, a); }
- template<typename Stream> inline void Serialize(Stream& s, signed int a, int, int=0) { WRITEDATA(s, a); }
- template<typename Stream> inline void Serialize(Stream& s, unsigned int a, int, int=0) { WRITEDATA(s, a); }
- template<typename Stream> inline void Serialize(Stream& s, signed long a, int, int=0) { WRITEDATA(s, a); }
- template<typename Stream> inline void Serialize(Stream& s, unsigned long a, int, int=0) { WRITEDATA(s, a); }
- template<typename Stream> inline void Serialize(Stream& s, int64 a, int, int=0) { WRITEDATA(s, a); }
- template<typename Stream> inline void Serialize(Stream& s, uint64 a, int, int=0) { WRITEDATA(s, a); }
- template<typename Stream> inline void Serialize(Stream& s, float a, int, int=0) { WRITEDATA(s, a); }
- template<typename Stream> inline void Serialize(Stream& s, double a, int, int=0) { WRITEDATA(s, a); }
- template<typename Stream> inline void Unserialize(Stream& s, char& a, int, int=0) { READDATA(s, a); }
- template<typename Stream> inline void Unserialize(Stream& s, signed char& a, int, int=0) { READDATA(s, a); }
- template<typename Stream> inline void Unserialize(Stream& s, unsigned char& a, int, int=0) { READDATA(s, a); }
- template<typename Stream> inline void Unserialize(Stream& s, signed short& a, int, int=0) { READDATA(s, a); }
- template<typename Stream> inline void Unserialize(Stream& s, unsigned short& a, int, int=0) { READDATA(s, a); }
- template<typename Stream> inline void Unserialize(Stream& s, signed int& a, int, int=0) { READDATA(s, a); }
- template<typename Stream> inline void Unserialize(Stream& s, unsigned int& a, int, int=0) { READDATA(s, a); }
- template<typename Stream> inline void Unserialize(Stream& s, signed long& a, int, int=0) { READDATA(s, a); }
- template<typename Stream> inline void Unserialize(Stream& s, unsigned long& a, int, int=0) { READDATA(s, a); }
- template<typename Stream> inline void Unserialize(Stream& s, int64& a, int, int=0) { READDATA(s, a); }
- template<typename Stream> inline void Unserialize(Stream& s, uint64& a, int, int=0) { READDATA(s, a); }
- template<typename Stream> inline void Unserialize(Stream& s, float& a, int, int=0) { READDATA(s, a); }
- template<typename Stream> inline void Unserialize(Stream& s, double& a, int, int=0) { READDATA(s, a); }
- inline unsigned int GetSerializeSize(bool a, int, int=0) { return sizeof(char); }
- template<typename Stream> inline void Serialize(Stream& s, bool a, int, int=0) { char f=a; WRITEDATA(s, f); }
- template<typename Stream> inline void Unserialize(Stream& s, bool& a, int, int=0) { char f; READDATA(s, f); a=f; }
- #ifndef THROW_WITH_STACKTRACE
- #define THROW_WITH_STACKTRACE(exception) \
- { \
- LogStackTrace(); \
- throw (exception); \
- }
- void LogStackTrace();
- #endif
- // Compact size
- // size < 253 -- 1 byte
- // size <= USHRT_MAX -- 3 bytes (253 + 2 bytes)
- // size <= UINT_MAX -- 5 bytes (254 + 4 bytes)
- // size > UINT_MAX -- 9 bytes (255 + 8 bytes)
- inline unsigned int GetSizeOfCompactSize(uint64 nSize)
- {
- if (nSize < 253) return sizeof(unsigned char);
- else if (nSize <= std::numeric_limits<unsigned short>::max()) return sizeof(unsigned char) + sizeof(unsigned short);
- else if (nSize <= std::numeric_limits<unsigned int>::max()) return sizeof(unsigned char) + sizeof(unsigned int);
- else return sizeof(unsigned char) + sizeof(uint64);
- }
- template<typename Stream>
- void WriteCompactSize(Stream& os, uint64 nSize)
- {
- if (nSize < 253)
- {
- unsigned char chSize = nSize;
- WRITEDATA(os, chSize);
- }
- else if (nSize <= std::numeric_limits<unsigned short>::max())
- {
- unsigned char chSize = 253;
- unsigned short xSize = nSize;
- WRITEDATA(os, chSize);
- WRITEDATA(os, xSize);
- }
- else if (nSize <= std::numeric_limits<unsigned int>::max())
- {
- unsigned char chSize = 254;
- unsigned int xSize = nSize;
- WRITEDATA(os, chSize);
- WRITEDATA(os, xSize);
- }
- else
- {
- unsigned char chSize = 255;
- uint64 xSize = nSize;
- WRITEDATA(os, chSize);
- WRITEDATA(os, xSize);
- }
- return;
- }
- template<typename Stream>
- uint64 ReadCompactSize(Stream& is)
- {
- unsigned char chSize;
- READDATA(is, chSize);
- uint64 nSizeRet = 0;
- if (chSize < 253)
- {
- nSizeRet = chSize;
- }
- else if (chSize == 253)
- {
- unsigned short xSize;
- READDATA(is, xSize);
- nSizeRet = xSize;
- }
- else if (chSize == 254)
- {
- unsigned int xSize;
- READDATA(is, xSize);
- nSizeRet = xSize;
- }
- else
- {
- uint64 xSize;
- READDATA(is, xSize);
- nSizeRet = xSize;
- }
- if (nSizeRet > (uint64)MAX_SIZE)
- THROW_WITH_STACKTRACE(std::ios_base::failure("ReadCompactSize() : size too large"));
- return nSizeRet;
- }
- #define FLATDATA(obj) REF(CFlatData((char*)&(obj), (char*)&(obj) + sizeof(obj)))
- class CFlatData
- {
- protected:
- char* pbegin;
- char* pend;
- public:
- CFlatData(void* pbeginIn, void* pendIn) : pbegin((char*)pbeginIn), pend((char*)pendIn) { }
- char* begin() { return pbegin; }
- const char* begin() const { return pbegin; }
- char* end() { return pend; }
- const char* end() const { return pend; }
- unsigned int GetSerializeSize(int, int=0) const
- {
- return pend - pbegin;
- }
- template<typename Stream>
- void Serialize(Stream& s, int, int=0) const
- {
- s.write(pbegin, pend - pbegin);
- }
- template<typename Stream>
- void Unserialize(Stream& s, int, int=0)
- {
- s.read(pbegin, pend - pbegin);
- }
- };
- // Forward declarations
- // string
- template<typename C> unsigned int GetSerializeSize(const std::basic_string<C>& str, int, int=0);
- template<typename Stream, typename C> void Serialize(Stream& os, const std::basic_string<C>& str, int, int=0);
- template<typename Stream, typename C> void Unserialize(Stream& is, std::basic_string<C>& str, int, int=0);
- // vector
- template<typename T, typename A> unsigned int GetSerializeSize_impl(const std::vector<T, A>& v, int nType, int nVersion, const boost::true_type&);
- template<typename T, typename A> unsigned int GetSerializeSize_impl(const std::vector<T, A>& v, int nType, int nVersion, const boost::false_type&);
- template<typename T, typename A> inline unsigned int GetSerializeSize(const std::vector<T, A>& v, int nType, int nVersion);
- template<typename Stream, typename T, typename A> void Serialize_impl(Stream& os, const std::vector<T, A>& v, int nType, int nVersion, const boost::true_type&);
- template<typename Stream, typename T, typename A> void Serialize_impl(Stream& os, const std::vector<T, A>& v, int nType, int nVersion, const boost::false_type&);
- template<typename Stream, typename T, typename A> inline void Serialize(Stream& os, const std::vector<T, A>& v, int nType, int nVersion);
- template<typename Stream, typename T, typename A> void Unserialize_impl(Stream& is, std::vector<T, A>& v, int nType, int nVersion, const boost::true_type&);
- template<typename Stream, typename T, typename A> void Unserialize_impl(Stream& is, std::vector<T, A>& v, int nType, int nVersion, const boost::false_type&);
- template<typename Stream, typename T, typename A> inline void Unserialize(Stream& is, std::vector<T, A>& v, int nType, int nVersion);
- // others derived from vector
- extern inline unsigned int GetSerializeSize(const CScript& v, int nType, int nVersion);
- template<typename Stream> void Serialize(Stream& os, const CScript& v, int nType, int nVersion);
- template<typename Stream> void Unserialize(Stream& is, CScript& v, int nType, int nVersion);
- // pair
- template<typename K, typename T> unsigned int GetSerializeSize(const std::pair<K, T>& item, int nType, int nVersion);
- template<typename Stream, typename K, typename T> void Serialize(Stream& os, const std::pair<K, T>& item, int nType, int nVersion);
- template<typename Stream, typename K, typename T> void Unserialize(Stream& is, std::pair<K, T>& item, int nType, int nVersion);
- // 3 tuple
- template<typename T0, typename T1, typename T2> unsigned int GetSerializeSize(const boost::tuple<T0, T1, T2>& item, int nType, int nVersion);
- template<typename Stream, typename T0, typename T1, typename T2> void Serialize(Stream& os, const boost::tuple<T0, T1, T2>& item, int nType, int nVersion);
- template<typename Stream, typename T0, typename T1, typename T2> void Unserialize(Stream& is, boost::tuple<T0, T1, T2>& item, int nType, int nVersion);
- // 4 tuple
- template<typename T0, typename T1, typename T2, typename T3> unsigned int GetSerializeSize(const boost::tuple<T0, T1, T2, T3>& item, int nType, int nVersion);
- template<typename Stream, typename T0, typename T1, typename T2, typename T3> void Serialize(Stream& os, const boost::tuple<T0, T1, T2, T3>& item, int nType, int nVersion);
- template<typename Stream, typename T0, typename T1, typename T2, typename T3> void Unserialize(Stream& is, boost::tuple<T0, T1, T2, T3>& item, int nType, int nVersion);
- // map
- template<typename K, typename T, typename Pred, typename A> unsigned int GetSerializeSize(const std::map<K, T, Pred, A>& m, int nType, int nVersion);
- 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);
- 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);
- // set
- template<typename K, typename Pred, typename A> unsigned int GetSerializeSize(const std::set<K, Pred, A>& m, int nType, int nVersion);
- template<typename Stream, typename K, typename Pred, typename A> void Serialize(Stream& os, const std::set<K, Pred, A>& m, int nType, int nVersion);
- template<typename Stream, typename K, typename Pred, typename A> void Unserialize(Stream& is, std::set<K, Pred, A>& m, int nType, int nVersion);
- template<typename T>
- inline unsigned int GetSerializeSize(const T& a, long nType, int nVersion)
- {
- return a.GetSerializeSize((int)nType, nVersion);
- }
- template<typename Stream, typename T>
- inline void Serialize(Stream& os, const T& a, long nType, int nVersion)
- {
- a.Serialize(os, (int)nType, nVersion);
- }
- template<typename Stream, typename T>
- inline void Unserialize(Stream& is, T& a, long nType, int nVersion)
- {
- a.Unserialize(is, (int)nType, nVersion);
- }
- // string
- template<typename C>
- unsigned int GetSerializeSize(const std::basic_string<C>& str, int, int)
- {
- return GetSizeOfCompactSize(str.size()) + str.size() * sizeof(str[0]);
- }
- template<typename Stream, typename C>
- void Serialize(Stream& os, const std::basic_string<C>& str, int, int)
- {
- WriteCompactSize(os, str.size());
- if (!str.empty())
- os.write((char*)&str[0], str.size() * sizeof(str[0]));
- }
- template<typename Stream, typename C>
- void Unserialize(Stream& is, std::basic_string<C>& str, int, int)
- {
- unsigned int nSize = ReadCompactSize(is);
- str.resize(nSize);
- if (nSize != 0)
- is.read((char*)&str[0], nSize * sizeof(str[0]));
- }
- // vector
- template<typename T, typename A>
- unsigned int GetSerializeSize_impl(const std::vector<T, A>& v, int nType, int nVersion, const boost::true_type&)
- {
- return (GetSizeOfCompactSize(v.size()) + v.size() * sizeof(T));
- }
- template<typename T, typename A>
- unsigned int GetSerializeSize_impl(const std::vector<T, A>& v, int nType, int nVersion, const boost::false_type&)
- {
- unsigned int nSize = GetSizeOfCompactSize(v.size());
- for (typename std::vector<T, A>::const_iterator vi = v.begin(); vi != v.end(); ++vi)
- nSize += GetSerializeSize((*vi), nType, nVersion);
- return nSize;
- }
- template<typename T, typename A>
- inline unsigned int GetSerializeSize(const std::vector<T, A>& v, int nType, int nVersion)
- {
- return GetSerializeSize_impl(v, nType, nVersion, boost::is_fundamental<T>());
- }
- template<typename Stream, typename T, typename A>
- void Serialize_impl(Stream& os, const std::vector<T, A>& v, int nType, int nVersion, const boost::true_type&)
- {
- WriteCompactSize(os, v.size());
- if (!v.empty())
- os.write((char*)&v[0], v.size() * sizeof(T));
- }
- template<typename Stream, typename T, typename A>
- void Serialize_impl(Stream& os, const std::vector<T, A>& v, int nType, int nVersion, const boost::false_type&)
- {
- WriteCompactSize(os, v.size());
- for (typename std::vector<T, A>::const_iterator vi = v.begin(); vi != v.end(); ++vi)
- ::Serialize(os, (*vi), nType, nVersion);
- }
- template<typename Stream, typename T, typename A>
- inline void Serialize(Stream& os, const std::vector<T, A>& v, int nType, int nVersion)
- {
- Serialize_impl(os, v, nType, nVersion, boost::is_fundamental<T>());
- }
- template<typename Stream, typename T, typename A>
- void Unserialize_impl(Stream& is, std::vector<T, A>& v, int nType, int nVersion, const boost::true_type&)
- {
- // Limit size per read so bogus size value won't cause out of memory
- v.clear();
- unsigned int nSize = ReadCompactSize(is);
- unsigned int i = 0;
- while (i < nSize)
- {
- unsigned int blk = std::min(nSize - i, (unsigned int)(1 + 4999999 / sizeof(T)));
- v.resize(i + blk);
- is.read((char*)&v[i], blk * sizeof(T));
- i += blk;
- }
- }
- template<typename Stream, typename T, typename A>
- void Unserialize_impl(Stream& is, std::vector<T, A>& v, int nType, int nVersion, const boost::false_type&)
- {
- v.clear();
- unsigned int nSize = ReadCompactSize(is);
- unsigned int i = 0;
- unsigned int nMid = 0;
- while (nMid < nSize)
- {
- nMid += 5000000 / sizeof(T);
- if (nMid > nSize)
- nMid = nSize;
- v.resize(nMid);
- for (; i < nMid; i++)
- Unserialize(is, v[i], nType, nVersion);
- }
- }
- template<typename Stream, typename T, typename A>
- inline void Unserialize(Stream& is, std::vector<T, A>& v, int nType, int nVersion)
- {
- Unserialize_impl(is, v, nType, nVersion, boost::is_fundamental<T>());
- }
- // others derived from vector
- inline unsigned int GetSerializeSize(const CScript& v, int nType, int nVersion)
- {
- return GetSerializeSize((const std::vector<unsigned char>&)v, nType, nVersion);
- }
- template<typename Stream>
- void Serialize(Stream& os, const CScript& v, int nType, int nVersion)
- {
- Serialize(os, (const std::vector<unsigned char>&)v, nType, nVersion);
- }
- template<typename Stream>
- void Unserialize(Stream& is, CScript& v, int nType, int nVersion)
- {
- Unserialize(is, (std::vector<unsigned char>&)v, nType, nVersion);
- }
- // pair
- template<typename K, typename T>
- unsigned int GetSerializeSize(const std::pair<K, T>& item, int nType, int nVersion)
- {
- return GetSerializeSize(item.first, nType, nVersion) + GetSerializeSize(item.second, nType, nVersion);
- }
- template<typename Stream, typename K, typename T>
- void Serialize(Stream& os, const std::pair<K, T>& item, int nType, int nVersion)
- {
- Serialize(os, item.first, nType, nVersion);
- Serialize(os, item.second, nType, nVersion);
- }
- template<typename Stream, typename K, typename T>
- void Unserialize(Stream& is, std::pair<K, T>& item, int nType, int nVersion)
- {
- Unserialize(is, item.first, nType, nVersion);
- Unserialize(is, item.second, nType, nVersion);
- }
- // 3 tuple
- template<typename T0, typename T1, typename T2>
- unsigned int GetSerializeSize(const boost::tuple<T0, T1, T2>& item, int nType, int nVersion)
- {
- unsigned int nSize = 0;
- nSize += GetSerializeSize(boost::get<0>(item), nType, nVersion);
- nSize += GetSerializeSize(boost::get<1>(item), nType, nVersion);
- nSize += GetSerializeSize(boost::get<2>(item), nType, nVersion);
- return nSize;
- }
- template<typename Stream, typename T0, typename T1, typename T2>
- void Serialize(Stream& os, const boost::tuple<T0, T1, T2>& item, int nType, int nVersion)
- {
- Serialize(os, boost::get<0>(item), nType, nVersion);
- Serialize(os, boost::get<1>(item), nType, nVersion);
- Serialize(os, boost::get<2>(item), nType, nVersion);
- }
- template<typename Stream, typename T0, typename T1, typename T2>
- void Unserialize(Stream& is, boost::tuple<T0, T1, T2>& item, int nType, int nVersion)
- {
- Unserialize(is, boost::get<0>(item), nType, nVersion);
- Unserialize(is, boost::get<1>(item), nType, nVersion);
- Unserialize(is, boost::get<2>(item), nType, nVersion);
- }
- // 4 tuple
- template<typename T0, typename T1, typename T2, typename T3>
- unsigned int GetSerializeSize(const boost::tuple<T0, T1, T2, T3>& item, int nType, int nVersion)
- {
- unsigned int nSize = 0;
- nSize += GetSerializeSize(boost::get<0>(item), nType, nVersion);
- nSize += GetSerializeSize(boost::get<1>(item), nType, nVersion);
- nSize += GetSerializeSize(boost::get<2>(item), nType, nVersion);
- nSize += GetSerializeSize(boost::get<3>(item), nType, nVersion);
- return nSize;
- }
- template<typename Stream, typename T0, typename T1, typename T2, typename T3>
- void Serialize(Stream& os, const boost::tuple<T0, T1, T2, T3>& item, int nType, int nVersion)
- {
- Serialize(os, boost::get<0>(item), nType, nVersion);
- Serialize(os, boost::get<1>(item), nType, nVersion);
- Serialize(os, boost::get<2>(item), nType, nVersion);
- Serialize(os, boost::get<3>(item), nType, nVersion);
- }
- template<typename Stream, typename T0, typename T1, typename T2, typename T3>
- void Unserialize(Stream& is, boost::tuple<T0, T1, T2, T3>& item, int nType, int nVersion)
- {
- Unserialize(is, boost::get<0>(item), nType, nVersion);
- Unserialize(is, boost::get<1>(item), nType, nVersion);
- Unserialize(is, boost::get<2>(item), nType, nVersion);
- Unserialize(is, boost::get<3>(item), nType, nVersion);
- }
- // map
- template<typename K, typename T, typename Pred, typename A>
- unsigned int GetSerializeSize(const std::map<K, T, Pred, A>& m, int nType, int nVersion)
- {
- unsigned int nSize = GetSizeOfCompactSize(m.size());
- for (typename std::map<K, T, Pred, A>::const_iterator mi = m.begin(); mi != m.end(); ++mi)
- nSize += GetSerializeSize((*mi), nType, nVersion);
- return nSize;
- }
- 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)
- {
- WriteCompactSize(os, m.size());
- for (typename std::map<K, T, Pred, A>::const_iterator mi = m.begin(); mi != m.end(); ++mi)
- Serialize(os, (*mi), nType, nVersion);
- }
- 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)
- {
- m.clear();
- unsigned int nSize = ReadCompactSize(is);
- typename std::map<K, T, Pred, A>::iterator mi = m.begin();
- for (unsigned int i = 0; i < nSize; i++)
- {
- std::pair<K, T> item;
- Unserialize(is, item, nType, nVersion);
- mi = m.insert(mi, item);
- }
- }
- // set
- template<typename K, typename Pred, typename A>
- unsigned int GetSerializeSize(const std::set<K, Pred, A>& m, int nType, int nVersion)
- {
- unsigned int nSize = GetSizeOfCompactSize(m.size());
- for (typename std::set<K, Pred, A>::const_iterator it = m.begin(); it != m.end(); ++it)
- nSize += GetSerializeSize((*it), nType, nVersion);
- return nSize;
- }
- template<typename Stream, typename K, typename Pred, typename A>
- void Serialize(Stream& os, const std::set<K, Pred, A>& m, int nType, int nVersion)
- {
- WriteCompactSize(os, m.size());
- for (typename std::set<K, Pred, A>::const_iterator it = m.begin(); it != m.end(); ++it)
- Serialize(os, (*it), nType, nVersion);
- }
- template<typename Stream, typename K, typename Pred, typename A>
- void Unserialize(Stream& is, std::set<K, Pred, A>& m, int nType, int nVersion)
- {
- m.clear();
- unsigned int nSize = ReadCompactSize(is);
- typename std::set<K, Pred, A>::iterator it = m.begin();
- for (unsigned int i = 0; i < nSize; i++)
- {
- K key;
- Unserialize(is, key, nType, nVersion);
- it = m.insert(it, key);
- }
- }
- // Support for IMPLEMENT_SERIALIZE and READWRITE macro
- class CSerActionGetSerializeSize { };
- class CSerActionSerialize { };
- class CSerActionUnserialize { };
- template<typename Stream, typename T>
- inline unsigned int SerReadWrite(Stream& s, const T& obj, int nType, int nVersion, CSerActionGetSerializeSize ser_action)
- {
- return ::GetSerializeSize(obj, nType, nVersion);
- }
- template<typename Stream, typename T>
- inline unsigned int SerReadWrite(Stream& s, const T& obj, int nType, int nVersion, CSerActionSerialize ser_action)
- {
- ::Serialize(s, obj, nType, nVersion);
- return 0;
- }
- template<typename Stream, typename T>
- inline unsigned int SerReadWrite(Stream& s, T& obj, int nType, int nVersion, CSerActionUnserialize ser_action)
- {
- ::Unserialize(s, obj, nType, nVersion);
- return 0;
- }
- struct ser_streamplaceholder
- {
- int nType;
- int nVersion;
- };
- class CDataStream
- {
- protected:
- typedef std::vector<char, zero_after_free_allocator<char> > vector_type;
- vector_type vch;
- unsigned int nReadPos;
- short state;
- short exceptmask;
- public:
- int nType;
- int nVersion;
- typedef vector_type::allocator_type allocator_type;
- typedef vector_type::size_type size_type;
- typedef vector_type::difference_type difference_type;
- typedef vector_type::reference reference;
- typedef vector_type::const_reference const_reference;
- typedef vector_type::value_type value_type;
- typedef vector_type::iterator iterator;
- typedef vector_type::const_iterator const_iterator;
- typedef vector_type::reverse_iterator reverse_iterator;
- explicit CDataStream(int nTypeIn, int nVersionIn)
- {
- Init(nTypeIn, nVersionIn);
- }
- CDataStream(const_iterator pbegin, const_iterator pend, int nTypeIn, int nVersionIn) : vch(pbegin, pend)
- {
- Init(nTypeIn, nVersionIn);
- }
- #if !defined(_MSC_VER) || _MSC_VER >= 1300
- CDataStream(const char* pbegin, const char* pend, int nTypeIn, int nVersionIn) : vch(pbegin, pend)
- {
- Init(nTypeIn, nVersionIn);
- }
- #endif
- CDataStream(const vector_type& vchIn, int nTypeIn, int nVersionIn) : vch(vchIn.begin(), vchIn.end())
- {
- Init(nTypeIn, nVersionIn);
- }
- CDataStream(const std::vector<char>& vchIn, int nTypeIn, int nVersionIn) : vch(vchIn.begin(), vchIn.end())
- {
- Init(nTypeIn, nVersionIn);
- }
- CDataStream(const std::vector<unsigned char>& vchIn, int nTypeIn, int nVersionIn) : vch((char*)&vchIn.begin()[0], (char*)&vchIn.end()[0])
- {
- Init(nTypeIn, nVersionIn);
- }
- void Init(int nTypeIn, int nVersionIn)
- {
- nReadPos = 0;
- nType = nTypeIn;
- nVersion = nVersionIn;
- state = 0;
- exceptmask = std::ios::badbit | std::ios::failbit;
- }
- CDataStream& operator+=(const CDataStream& b)
- {
- vch.insert(vch.end(), b.begin(), b.end());
- return *this;
- }
- friend CDataStream operator+(const CDataStream& a, const CDataStream& b)
- {
- CDataStream ret = a;
- ret += b;
- return (ret);
- }
- std::string str() const
- {
- return (std::string(begin(), end()));
- }
- // Vector subset
- const_iterator begin() const { return vch.begin() + nReadPos; }
- iterator begin() { return vch.begin() + nReadPos; }
- const_iterator end() const { return vch.end(); }
- iterator end() { return vch.end(); }
- size_type size() const { return vch.size() - nReadPos; }
- bool empty() const { return vch.size() == nReadPos; }
- void resize(size_type n, value_type c=0) { vch.resize(n + nReadPos, c); }
- void reserve(size_type n) { vch.reserve(n + nReadPos); }
- const_reference operator[](size_type pos) const { return vch[pos + nReadPos]; }
- reference operator[](size_type pos) { return vch[pos + nReadPos]; }
- void clear() { vch.clear(); nReadPos = 0; }
- iterator insert(iterator it, const char& x=char()) { return vch.insert(it, x); }
- void insert(iterator it, size_type n, const char& x) { vch.insert(it, n, x); }
- void insert(iterator it, const_iterator first, const_iterator last)
- {
- assert(last - first >= 0);
- if (it == vch.begin() + nReadPos && (unsigned int)(last - first) <= nReadPos)
- {
- // special case for inserting at the front when there's room
- nReadPos -= (last - first);
- memcpy(&vch[nReadPos], &first[0], last - first);
- }
- else
- vch.insert(it, first, last);
- }
- void insert(iterator it, std::vector<char>::const_iterator first, std::vector<char>::const_iterator last)
- {
- assert(last - first >= 0);
- if (it == vch.begin() + nReadPos && (unsigned int)(last - first) <= nReadPos)
- {
- // special case for inserting at the front when there's room
- nReadPos -= (last - first);
- memcpy(&vch[nReadPos], &first[0], last - first);
- }
- else
- vch.insert(it, first, last);
- }
- #if !defined(_MSC_VER) || _MSC_VER >= 1300
- void insert(iterator it, const char* first, const char* last)
- {
- assert(last - first >= 0);
- if (it == vch.begin() + nReadPos && (unsigned int)(last - first) <= nReadPos)
- {
- // special case for inserting at the front when there's room
- nReadPos -= (last - first);
- memcpy(&vch[nReadPos], &first[0], last - first);
- }
- else
- vch.insert(it, first, last);
- }
- #endif
- iterator erase(iterator it)
- {
- if (it == vch.begin() + nReadPos)
- {
- // special case for erasing from the front
- if (++nReadPos >= vch.size())
- {
- // whenever we reach the end, we take the opportunity to clear the buffer
- nReadPos = 0;
- return vch.erase(vch.begin(), vch.end());
- }
- return vch.begin() + nReadPos;
- }
- else
- return vch.erase(it);
- }
- iterator erase(iterator first, iterator last)
- {
- if (first == vch.begin() + nReadPos)
- {
- // special case for erasing from the front
- if (last == vch.end())
- {
- nReadPos = 0;
- return vch.erase(vch.begin(), vch.end());
- }
- else
- {
- nReadPos = (last - vch.begin());
- return last;
- }
- }
- else
- return vch.erase(first, last);
- }
- inline void Compact()
- {
- vch.erase(vch.begin(), vch.begin() + nReadPos);
- nReadPos = 0;
- }
- bool Rewind(size_type n)
- {
- // Rewind by n characters if the buffer hasn't been compacted yet
- if (n > nReadPos)
- return false;
- nReadPos -= n;
- return true;
- }
- // Stream subset
- void setstate(short bits, const char* psz)
- {
- state |= bits;
- if (state & exceptmask)
- THROW_WITH_STACKTRACE(std::ios_base::failure(psz));
- }
- bool eof() const { return size() == 0; }
- bool fail() const { return state & (std::ios::badbit | std::ios::failbit); }
- bool good() const { return !eof() && (state == 0); }
- void clear(short n) { state = n; } // name conflict with vector clear()
- short exceptions() { return exceptmask; }
- short exceptions(short mask) { short prev = exceptmask; exceptmask = mask; setstate(0, "CDataStream"); return prev; }
- CDataStream* rdbuf() { return this; }
- int in_avail() { return size(); }
- void SetType(int n) { nType = n; }
- int GetType() { return nType; }
- void SetVersion(int n) { nVersion = n; }
- int GetVersion() { return nVersion; }
- void ReadVersion() { *this >> nVersion; }
- void WriteVersion() { *this << nVersion; }
- CDataStream& read(char* pch, int nSize)
- {
- // Read from the beginning of the buffer
- assert(nSize >= 0);
- unsigned int nReadPosNext = nReadPos + nSize;
- if (nReadPosNext >= vch.size())
- {
- if (nReadPosNext > vch.size())
- {
- setstate(std::ios::failbit, "CDataStream::read() : end of data");
- memset(pch, 0, nSize);
- nSize = vch.size() - nReadPos;
- }
- memcpy(pch, &vch[nReadPos], nSize);
- nReadPos = 0;
- vch.clear();
- return (*this);
- }
- memcpy(pch, &vch[nReadPos], nSize);
- nReadPos = nReadPosNext;
- return (*this);
- }
- CDataStream& ignore(int nSize)
- {
- // Ignore from the beginning of the buffer
- assert(nSize >= 0);
- unsigned int nReadPosNext = nReadPos + nSize;
- if (nReadPosNext >= vch.size())
- {
- if (nReadPosNext > vch.size())
- {
- setstate(std::ios::failbit, "CDataStream::ignore() : end of data");
- nSize = vch.size() - nReadPos;
- }
- nReadPos = 0;
- vch.clear();
- return (*this);
- }
- nReadPos = nReadPosNext;
- return (*this);
- }
- CDataStream& write(const char* pch, int nSize)
- {
- // Write to the end of the buffer
- assert(nSize >= 0);
- vch.insert(vch.end(), pch, pch + nSize);
- return (*this);
- }
- template<typename Stream>
- void Serialize(Stream& s, int nType, int nVersion) const
- {
- // Special case: stream << stream concatenates like stream += stream
- if (!vch.empty())
- s.write((char*)&vch[0], vch.size() * sizeof(vch[0]));
- }
- template<typename T>
- unsigned int GetSerializeSize(const T& obj)
- {
- // Tells the size of the object if serialized to this stream
- return ::GetSerializeSize(obj, nType, nVersion);
- }
- template<typename T>
- CDataStream& operator<<(const T& obj)
- {
- // Serialize to this stream
- ::Serialize(*this, obj, nType, nVersion);
- return (*this);
- }
- template<typename T>
- CDataStream& operator>>(T& obj)
- {
- // Unserialize from this stream
- ::Unserialize(*this, obj, nType, nVersion);
- return (*this);
- }
- };
- class CAutoFile
- {
- protected:
- FILE* file;
- short state;
- short exceptmask;
- public:
- int nType;
- int nVersion;
- CAutoFile(FILE* filenew, int nTypeIn, int nVersionIn)
- {
- file = filenew;
- nType = nTypeIn;
- nVersion = nVersionIn;
- state = 0;
- exceptmask = std::ios::badbit | std::ios::failbit;
- }
- ~CAutoFile()
- {
- fclose();
- }
- void fclose()
- {
- if (file != NULL && file != stdin && file != stdout && file != stderr)
- ::fclose(file);
- file = NULL;
- }
- FILE* release() { FILE* ret = file; file = NULL; return ret; }
- operator FILE*() { return file; }
- FILE* operator->() { return file; }
- FILE& operator*() { return *file; }
- FILE** operator&() { return &file; }
- FILE* operator=(FILE* pnew) { return file = pnew; }
- bool operator!() { return (file == NULL); }
- // Stream subset
- void setstate(short bits, const char* psz)
- {
- state |= bits;
- if (state & exceptmask)
- THROW_WITH_STACKTRACE(std::ios_base::failure(psz));
- }
- bool fail() const { return state & (std::ios::badbit | std::ios::failbit); }
- bool good() const { return state == 0; }
- void clear(short n = 0) { state = n; }
- short exceptions() { return exceptmask; }
- short exceptions(short mask) { short prev = exceptmask; exceptmask = mask; setstate(0, "CAutoFile"); return prev; }
- void SetType(int n) { nType = n; }
- int GetType() { return nType; }
- void SetVersion(int n) { nVersion = n; }
- int GetVersion() { return nVersion; }
- void ReadVersion() { *this >> nVersion; }
- void WriteVersion() { *this << nVersion; }
- CAutoFile& read(char* pch, size_t nSize)
- {
- if (!file)
- throw std::ios_base::failure("CAutoFile::read : file handle is NULL");
- if (fread(pch, 1, nSize, file) != nSize)
- setstate(std::ios::failbit, feof(file) ? "CAutoFile::read : end of file" : "CAutoFile::read : fread failed");
- return (*this);
- }
- CAutoFile& write(const char* pch, size_t nSize)
- {
- if (!file)
- throw std::ios_base::failure("CAutoFile::write : file handle is NULL");
- if (fwrite(pch, 1, nSize, file) != nSize)
- setstate(std::ios::failbit, "CAutoFile::write : write failed");
- return (*this);
- }
- template<typename T>
- unsigned int GetSerializeSize(const T& obj)
- {
- // Tells the size of the object if serialized to this stream
- return ::GetSerializeSize(obj, nType, nVersion);
- }
- template<typename T>
- CAutoFile& operator<<(const T& obj)
- {
- // Serialize to this stream
- if (!file)
- throw std::ios_base::failure("CAutoFile::operator<< : file handle is NULL");
- ::Serialize(*this, obj, nType, nVersion);
- return (*this);
- }
- template<typename T>
- CAutoFile& operator>>(T& obj)
- {
- // Unserialize from this stream
- if (!file)
- throw std::ios_base::failure("CAutoFile::operator>> : file handle is NULL");
- ::Unserialize(*this, obj, nType, nVersion);
- return (*this);
- }
- };
- #endif
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