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Make std::vector and prevector reuse the VectorFormatter logic

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This commit is contained in:
Pieter Wuille 2020-01-29 10:44:52 -08:00
parent abf8624356
commit 3cd8ab9d11
1 changed files with 18 additions and 32 deletions
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50
src/serialize.h
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@ -723,6 +723,20 @@ inline void Unserialize(Stream& is, T&& a)
a.Unserialize(is);
}
/** Default formatter. Serializes objects as themselves.
*
* The vector/prevector serialization code passes this to VectorFormatter
* to enable reusing that logic. It shouldn't be needed elsewhere.
*/
struct DefaultFormatter
{
template<typename Stream, typename T>
static void Ser(Stream& s, const T& t) { Serialize(s, t); }
template<typename Stream, typename T>
static void Unser(Stream& s, T& t) { Unserialize(s, t); }
};
@ -763,9 +777,7 @@ void Serialize_impl(Stream& os, const prevector<N, T>& v, const unsigned char&)
template<typename Stream, unsigned int N, typename T, typename V>
void Serialize_impl(Stream& os, const prevector<N, T>& v, const V&)
{
WriteCompactSize(os, v.size());
for (typename prevector<N, T>::const_iterator vi = v.begin(); vi != v.end(); ++vi)
::Serialize(os, (*vi));
Serialize(os, Using<VectorFormatter<DefaultFormatter>>(v));
}
template<typename Stream, unsigned int N, typename T>
@ -794,19 +806,7 @@ void Unserialize_impl(Stream& is, prevector<N, T>& v, const unsigned char&)
template<typename Stream, unsigned int N, typename T, typename V>
void Unserialize_impl(Stream& is, prevector<N, T>& v, const V&)
{
v.clear();
unsigned int nSize = ReadCompactSize(is);
unsigned int i = 0;
unsigned int nMid = 0;
while (nMid < nSize)
{
nMid += MAX_VECTOR_ALLOCATE / sizeof(T);
if (nMid > nSize)
nMid = nSize;
v.resize_uninitialized(nMid);
for (; i < nMid; ++i)
Unserialize(is, v[i]);
}
Unserialize(is, Using<VectorFormatter<DefaultFormatter>>(v));
}
template<typename Stream, unsigned int N, typename T>
@ -843,9 +843,7 @@ void Serialize_impl(Stream& os, const std::vector<T, A>& v, const bool&)
template<typename Stream, typename T, typename A, typename V>
void Serialize_impl(Stream& os, const std::vector<T, A>& v, const V&)
{
WriteCompactSize(os, v.size());
for (typename std::vector<T, A>::const_iterator vi = v.begin(); vi != v.end(); ++vi)
::Serialize(os, (*vi));
Serialize(os, Using<VectorFormatter<DefaultFormatter>>(v));
}
template<typename Stream, typename T, typename A>
@ -874,19 +872,7 @@ void Unserialize_impl(Stream& is, std::vector<T, A>& v, const unsigned char&)
template<typename Stream, typename T, typename A, typename V>
void Unserialize_impl(Stream& is, std::vector<T, A>& v, const V&)
{
v.clear();
unsigned int nSize = ReadCompactSize(is);
unsigned int i = 0;
unsigned int nMid = 0;
while (nMid < nSize)
{
nMid += MAX_VECTOR_ALLOCATE / sizeof(T);
if (nMid > nSize)
nMid = nSize;
v.resize(nMid);
for (; i < nMid; i++)
Unserialize(is, v[i]);
}
Unserialize(is, Using<VectorFormatter<DefaultFormatter>>(v));
}
template<typename Stream, typename T, typename A>