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authorAnton Samokhvalov <pg83@yandex.ru>2022-02-10 16:45:15 +0300
committerDaniil Cherednik <dcherednik@yandex-team.ru>2022-02-10 16:45:15 +0300
commit72cb13b4aff9bc9cf22e49251bc8fd143f82538f (patch)
treeda2c34829458c7d4e74bdfbdf85dff449e9e7fb8 /library/cpp/packers/packers.h
parent778e51ba091dc39e7b7fcab2b9cf4dbedfb6f2b5 (diff)
downloadydb-72cb13b4aff9bc9cf22e49251bc8fd143f82538f.tar.gz
Restoring authorship annotation for Anton Samokhvalov <pg83@yandex.ru>. Commit 1 of 2.
Diffstat (limited to 'library/cpp/packers/packers.h')
-rw-r--r--library/cpp/packers/packers.h124
1 files changed, 62 insertions, 62 deletions
diff --git a/library/cpp/packers/packers.h b/library/cpp/packers/packers.h
index 1bde1b59aa..50b32b7214 100644
--- a/library/cpp/packers/packers.h
+++ b/library/cpp/packers/packers.h
@@ -18,8 +18,8 @@ public:
t = T();
}
- void PackLeaf(char*, const T&, size_t) const {
- }
+ void PackLeaf(char*, const T&, size_t) const {
+ }
size_t MeasureLeaf(const T&) const {
return 0;
@@ -30,7 +30,7 @@ public:
}
};
-template <typename T>
+template <typename T>
class TAsIsPacker { // this packer is not really a packer...
public:
void UnpackLeaf(const char* p, T& t) const {
@@ -44,7 +44,7 @@ public:
Y_UNUSED(data);
return sizeof(T);
}
- size_t SkipLeaf(const char*) const {
+ size_t SkipLeaf(const char*) const {
return sizeof(T);
}
};
@@ -111,7 +111,7 @@ namespace NPackers {
size_t len = 1;
value >>= 7;
- for (; value && len < MAX_SIZE; value >>= 7)
+ for (; value && len < MAX_SIZE; value >>= 7)
++len;
return len;
@@ -122,7 +122,7 @@ namespace NPackers {
ui64 value = val;
int lenmask = 0;
- for (size_t i = len - 1; i; --i) {
+ for (size_t i = len - 1; i; --i) {
buffer[i] = (char)(value & 0xFF);
value >>= 8;
lenmask = ((lenmask >> 1) | (1 << 7));
@@ -220,7 +220,7 @@ namespace NPackers {
h.F = f;
return ReverseBytes(h.U);
}
-
+
public:
void UnpackLeaf(const char* c, TFloat& t) const {
TUInt u = 0;
@@ -242,10 +242,10 @@ namespace NPackers {
};
}
- class TFloatPacker: public NImpl::TFPPackerBase<float, ui32> {
+ class TFloatPacker: public NImpl::TFPPackerBase<float, ui32> {
};
- class TDoublePacker: public NImpl::TFPPackerBase<double, ui64> {
+ class TDoublePacker: public NImpl::TFPPackerBase<double, ui64> {
};
//-------------------------------------------
@@ -260,7 +260,7 @@ namespace NPackers {
size_t SkipLeaf(const char* p) const;
};
- template <class TStringType>
+ template <class TStringType>
inline void TStringPacker<TStringType>::UnpackLeaf(const char* buf, TStringType& t) const {
size_t len;
TIntegralPacker<size_t>().UnpackLeaf(buf, len);
@@ -268,7 +268,7 @@ namespace NPackers {
t = TStringType((const typename TStringType::char_type*)(buf + start), len);
}
- template <class TStringType>
+ template <class TStringType>
inline void TStringPacker<TStringType>::PackLeaf(char* buf, const TStringType& str, size_t size) const {
size_t len = str.size();
size_t lenChar = len * sizeof(typename TStringType::char_type);
@@ -277,13 +277,13 @@ namespace NPackers {
memcpy(buf + start, str.data(), lenChar);
}
- template <class TStringType>
+ template <class TStringType>
inline size_t TStringPacker<TStringType>::MeasureLeaf(const TStringType& str) const {
size_t len = str.size();
return TIntegralPacker<size_t>().MeasureLeaf(len) + len * sizeof(typename TStringType::char_type);
}
- template <class TStringType>
+ template <class TStringType>
inline size_t TStringPacker<TStringType>::SkipLeaf(const char* buf) const {
size_t result = TIntegralPacker<size_t>().SkipLeaf(buf);
{
@@ -294,7 +294,7 @@ namespace NPackers {
return result;
}
- template <class T>
+ template <class T>
class TPacker;
// TContainerPacker --- for any container
@@ -308,50 +308,50 @@ namespace NPackers {
// Requirements to class EP: has methods as in any packer (UnpackLeaf, PackLeaf, MeasureLeaf, SkipLeaf) that
// are applicable to C::value_type
- template <typename T>
+ template <typename T>
struct TContainerInfo {
enum {
IsVector = 0
};
};
- template <typename T>
- struct TContainerInfo<std::vector<T>> {
+ template <typename T>
+ struct TContainerInfo<std::vector<T>> {
enum {
IsVector = 1
};
};
- template <typename T>
- struct TContainerInfo<TVector<T>> {
+ template <typename T>
+ struct TContainerInfo<TVector<T>> {
enum {
IsVector = 1
};
};
- template <bool IsVector>
+ template <bool IsVector>
class TContainerPackerHelper {
};
- template <>
+ template <>
class TContainerPackerHelper<false> {
public:
- template <class Packer, class Container>
- static void UnpackLeaf(Packer& p, const char* buffer, Container& c) {
- p.UnpackLeafSimple(buffer, c);
+ template <class Packer, class Container>
+ static void UnpackLeaf(Packer& p, const char* buffer, Container& c) {
+ p.UnpackLeafSimple(buffer, c);
}
};
- template <>
+ template <>
class TContainerPackerHelper<true> {
public:
- template <class Packer, class Container>
- static void UnpackLeaf(Packer& p, const char* buffer, Container& c) {
- p.UnpackLeafVector(buffer, c);
+ template <class Packer, class Container>
+ static void UnpackLeaf(Packer& p, const char* buffer, Container& c) {
+ p.UnpackLeafVector(buffer, c);
}
};
- template <class C, class EP = TPacker<typename C::value_type>>
+ template <class C, class EP = TPacker<typename C::value_type>>
class TContainerPacker {
private:
typedef C TContainer;
@@ -362,7 +362,7 @@ namespace NPackers {
void UnpackLeafVector(const char* buffer, TContainer& c) const;
friend class TContainerPackerHelper<TContainerInfo<C>::IsVector>;
-
+
public:
void UnpackLeaf(const char* buffer, TContainer& c) const {
TContainerPackerHelper<TContainerInfo<C>::IsVector>::UnpackLeaf(*this, buffer, c);
@@ -372,8 +372,8 @@ namespace NPackers {
size_t SkipLeaf(const char* buffer) const;
};
- template <class C, class EP>
- inline void TContainerPacker<C, EP>::UnpackLeafSimple(const char* buffer, C& result) const {
+ template <class C, class EP>
+ inline void TContainerPacker<C, EP>::UnpackLeafSimple(const char* buffer, C& result) const {
size_t offset = TIntegralPacker<size_t>().SkipLeaf(buffer); // first value is the total size (not needed here)
size_t len;
TIntegralPacker<size_t>().UnpackLeaf(buffer + offset, len);
@@ -389,8 +389,8 @@ namespace NPackers {
}
}
- template <class C, class EP>
- inline void TContainerPacker<C, EP>::UnpackLeafVector(const char* buffer, C& result) const {
+ template <class C, class EP>
+ inline void TContainerPacker<C, EP>::UnpackLeafVector(const char* buffer, C& result) const {
size_t offset = TIntegralPacker<size_t>().SkipLeaf(buffer); // first value is the total size (not needed here)
size_t len;
TIntegralPacker<size_t>().UnpackLeaf(buffer + offset, len);
@@ -403,7 +403,7 @@ namespace NPackers {
}
}
- template <class C, class EP>
+ template <class C, class EP>
inline void TContainerPacker<C, EP>::PackLeaf(char* buffer, const C& data, size_t size) const {
size_t sizeOfSize = TIntegralPacker<size_t>().MeasureLeaf(size);
TIntegralPacker<size_t>().PackLeaf(buffer, size, sizeOfSize);
@@ -419,7 +419,7 @@ namespace NPackers {
Y_ASSERT(curSize == size);
}
- template <class C, class EP>
+ template <class C, class EP>
inline size_t TContainerPacker<C, EP>::MeasureLeaf(const C& data) const {
size_t curSize = TIntegralPacker<size_t>().MeasureLeaf(data.size());
for (TElementIterator p = data.begin(); p != data.end(); p++)
@@ -434,7 +434,7 @@ namespace NPackers {
return curSize + extraSize;
}
- template <class C, class EP>
+ template <class C, class EP>
inline size_t TContainerPacker<C, EP>::SkipLeaf(const char* buffer) const {
size_t value;
TIntegralPacker<size_t>().UnpackLeaf(buffer, value);
@@ -444,11 +444,11 @@ namespace NPackers {
// TPairPacker --- for std::pair<T1, T2> (any two types; can be nested)
// TPacker<T1> and TPacker<T2> should be valid classes
- template <class T1, class T2, class TPacker1 = TPacker<T1>, class TPacker2 = TPacker<T2>>
+ template <class T1, class T2, class TPacker1 = TPacker<T1>, class TPacker2 = TPacker<T2>>
class TPairPacker {
private:
typedef std::pair<T1, T2> TMyPair;
-
+
public:
void UnpackLeaf(const char* buffer, TMyPair& pair) const;
void PackLeaf(char* buffer, const TMyPair& data, size_t size) const;
@@ -456,14 +456,14 @@ namespace NPackers {
size_t SkipLeaf(const char* buffer) const;
};
- template <class T1, class T2, class TPacker1, class TPacker2>
+ template <class T1, class T2, class TPacker1, class TPacker2>
inline void TPairPacker<T1, T2, TPacker1, TPacker2>::UnpackLeaf(const char* buffer, std::pair<T1, T2>& pair) const {
TPacker1().UnpackLeaf(buffer, pair.first);
size_t size = TPacker1().SkipLeaf(buffer);
TPacker2().UnpackLeaf(buffer + size, pair.second);
}
- template <class T1, class T2, class TPacker1, class TPacker2>
+ template <class T1, class T2, class TPacker1, class TPacker2>
inline void TPairPacker<T1, T2, TPacker1, TPacker2>::PackLeaf(char* buffer, const std::pair<T1, T2>& data, size_t size) const {
size_t size1 = TPacker1().MeasureLeaf(data.first);
TPacker1().PackLeaf(buffer, data.first, size1);
@@ -472,14 +472,14 @@ namespace NPackers {
Y_ASSERT(size == size1 + size2);
}
- template <class T1, class T2, class TPacker1, class TPacker2>
+ template <class T1, class T2, class TPacker1, class TPacker2>
inline size_t TPairPacker<T1, T2, TPacker1, TPacker2>::MeasureLeaf(const std::pair<T1, T2>& data) const {
size_t size1 = TPacker1().MeasureLeaf(data.first);
size_t size2 = TPacker2().MeasureLeaf(data.second);
return size1 + size2;
}
- template <class T1, class T2, class TPacker1, class TPacker2>
+ template <class T1, class T2, class TPacker1, class TPacker2>
inline size_t TPairPacker<T1, T2, TPacker1, TPacker2>::SkipLeaf(const char* buffer) const {
size_t size1 = TPacker1().SkipLeaf(buffer);
size_t size2 = TPacker2().SkipLeaf(buffer + size1);
@@ -544,68 +544,68 @@ namespace NPackers {
class TPackerImpl;
template <class T>
- class TPackerImpl<T, true>: public TIntegralPacker<T> {
+ class TPackerImpl<T, true>: public TIntegralPacker<T> {
};
// No implementation for non-integral types.
template <class T>
- class TPacker: public TPackerImpl<T, std::is_integral<T>::value> {
+ class TPacker: public TPackerImpl<T, std::is_integral<T>::value> {
};
- template <>
- class TPacker<float>: public TAsIsPacker<float> {
+ template <>
+ class TPacker<float>: public TAsIsPacker<float> {
};
- template <>
- class TPacker<double>: public TAsIsPacker<double> {
+ template <>
+ class TPacker<double>: public TAsIsPacker<double> {
};
template <>
- class TPacker<TString>: public TStringPacker<TString> {
+ class TPacker<TString>: public TStringPacker<TString> {
};
template <>
- class TPacker<TUtf16String>: public TStringPacker<TUtf16String> {
+ class TPacker<TUtf16String>: public TStringPacker<TUtf16String> {
};
template <>
- class TPacker<TStringBuf>: public TStringPacker<TStringBuf> {
+ class TPacker<TStringBuf>: public TStringPacker<TStringBuf> {
};
template <>
- class TPacker<TWtringBuf>: public TStringPacker<TWtringBuf> {
+ class TPacker<TWtringBuf>: public TStringPacker<TWtringBuf> {
};
template <class T>
- class TPacker<std::vector<T>>: public TContainerPacker<std::vector<T>> {
+ class TPacker<std::vector<T>>: public TContainerPacker<std::vector<T>> {
};
template <class T>
- class TPacker<TVector<T>>: public TContainerPacker<TVector<T>> {
+ class TPacker<TVector<T>>: public TContainerPacker<TVector<T>> {
};
template <class T>
- class TPacker<std::list<T>>: public TContainerPacker<std::list<T>> {
+ class TPacker<std::list<T>>: public TContainerPacker<std::list<T>> {
};
template <class T>
- class TPacker<TList<T>>: public TContainerPacker<TList<T>> {
+ class TPacker<TList<T>>: public TContainerPacker<TList<T>> {
};
template <class T>
- class TPacker<std::set<T>>: public TContainerPacker<std::set<T>> {
+ class TPacker<std::set<T>>: public TContainerPacker<std::set<T>> {
};
template <class T>
- class TPacker<TSet<T>>: public TContainerPacker<TSet<T>> {
+ class TPacker<TSet<T>>: public TContainerPacker<TSet<T>> {
};
template <class T1, class T2>
- class TPacker<std::pair<T1, T2>>: public TPairPacker<T1, T2> {
+ class TPacker<std::pair<T1, T2>>: public TPairPacker<T1, T2> {
};
template <class T, size_t N>
- class TPacker<std::array<T, N>>: public TArrayPacker<std::array<T, N>> {
+ class TPacker<std::array<T, N>>: public TArrayPacker<std::array<T, N>> {
};
-}
+}