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authorMichael Ford <fanquake@gmail.com>2014-10-31 11:34:30 +0800
committerMichael Ford <fanquake@gmail.com>2014-10-31 13:07:05 +0800
commit1c0aa9110e0cbe207f16e8bf2cc6c410b9ec1cef (patch)
tree8c335dacd99fb1419fa34801de7ec88d07d1ad11 /src/serialize.h
parent8d2396c9c41cbd5b8746f48f41180697f58b0681 (diff)
downloadbitcoin-1c0aa9110e0cbe207f16e8bf2cc6c410b9ec1cef.tar.xz
Update serialize comments to be doxygen compatible
Diffstat (limited to 'src/serialize.h')
-rw-r--r--src/serialize.h178
1 files changed, 100 insertions, 78 deletions
diff --git a/src/serialize.h b/src/serialize.h
index 877ef8640a..ad38a3fa22 100644
--- a/src/serialize.h
+++ b/src/serialize.h
@@ -1,6 +1,6 @@
// Copyright (c) 2009-2010 Satoshi Nakamoto
-// Copyright (c) 2009-2013 The Bitcoin developers
-// Distributed under the MIT/X11 software license, see the accompanying
+// Copyright (c) 2009-2014 The Bitcoin developers
+// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#ifndef BITCOIN_SERIALIZE_H
@@ -22,23 +22,28 @@ class CScript;
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
+/**
+ * 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);
}
-// Used to acquire a non-const pointer "this" to generate bodies
-// of const serialization operations from a template
+/**
+ * Used to acquire a non-const pointer "this" to generate bodies
+ * of const serialization operations from a template
+ */
template<typename T>
inline T* NCONST_PTR(const T* val)
{
return const_cast<T*>(val);
}
-/** Get begin pointer of vector (non-const version).
+/**
+ * Get begin pointer of vector (non-const version).
* @note These functions avoid the undefined case of indexing into an empty
* vector, as well as that of indexing after the end of the vector.
*/
@@ -82,10 +87,12 @@ enum
#define READWRITE(obj) (::SerReadWrite(s, (obj), nType, nVersion, ser_action))
-/* Implement three methods for serializable objects. These are actually wrappers over
+/**
+ * Implement three methods for serializable objects. These are actually wrappers over
* "SerializationOp" template, which implements the body of each class' serialization
* code. Adding "ADD_SERIALIZE_METHODS" in the body of the class causes these wrappers to be
- * added as members. */
+ * added as members.
+ */
#define ADD_SERIALIZE_METHODS \
size_t GetSerializeSize(int nType, int nVersion) const { \
CSizeComputer s(nType, nVersion); \
@@ -103,9 +110,9 @@ enum
-//
-// Basic types
-//
+/*
+ * Basic Types
+ */
#define WRITEDATA(s, obj) s.write((char*)&(obj), sizeof(obj))
#define READDATA(s, obj) s.read((char*)&(obj), sizeof(obj))
@@ -160,13 +167,13 @@ template<typename Stream> inline void Unserialize(Stream& s, bool& a, int, int=0
-//
-// 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)
-//
+/**
+ * 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_t nSize)
{
if (nSize < 253) return sizeof(unsigned char);
@@ -246,27 +253,29 @@ uint64_t ReadCompactSize(Stream& is)
return nSizeRet;
}
-// Variable-length integers: bytes are a MSB base-128 encoding of the number.
-// The high bit in each byte signifies whether another digit follows. To make
-// the encoding is one-to-one, one is subtracted from all but the last digit.
-// Thus, the byte sequence a[] with length len, where all but the last byte
-// has bit 128 set, encodes the number:
-//
-// (a[len-1] & 0x7F) + sum(i=1..len-1, 128^i*((a[len-i-1] & 0x7F)+1))
-//
-// Properties:
-// * Very small (0-127: 1 byte, 128-16511: 2 bytes, 16512-2113663: 3 bytes)
-// * Every integer has exactly one encoding
-// * Encoding does not depend on size of original integer type
-// * No redundancy: every (infinite) byte sequence corresponds to a list
-// of encoded integers.
-//
-// 0: [0x00] 256: [0x81 0x00]
-// 1: [0x01] 16383: [0xFE 0x7F]
-// 127: [0x7F] 16384: [0xFF 0x00]
-// 128: [0x80 0x00] 16511: [0x80 0xFF 0x7F]
-// 255: [0x80 0x7F] 65535: [0x82 0xFD 0x7F]
-// 2^32: [0x8E 0xFE 0xFE 0xFF 0x00]
+/**
+ * Variable-length integers: bytes are a MSB base-128 encoding of the number.
+ * The high bit in each byte signifies whether another digit follows. To make
+ * sure the encoding is one-to-one, one is subtracted from all but the last digit.
+ * Thus, the byte sequence a[] with length len, where all but the last byte
+ * has bit 128 set, encodes the number:
+ *
+ * (a[len-1] & 0x7F) + sum(i=1..len-1, 128^i*((a[len-i-1] & 0x7F)+1))
+ *
+ * Properties:
+ * * Very small (0-127: 1 byte, 128-16511: 2 bytes, 16512-2113663: 3 bytes)
+ * * Every integer has exactly one encoding
+ * * Encoding does not depend on size of original integer type
+ * * No redundancy: every (infinite) byte sequence corresponds to a list
+ * of encoded integers.
+ *
+ * 0: [0x00] 256: [0x81 0x00]
+ * 1: [0x01] 16383: [0xFE 0x7F]
+ * 127: [0x7F] 16384: [0xFF 0x00]
+ * 128: [0x80 0x00] 16511: [0x80 0xFF 0x7F]
+ * 255: [0x80 0x7F] 65535: [0x82 0xFD 0x7F]
+ * 2^32: [0x8E 0xFE 0xFE 0xFF 0x00]
+ */
template<typename I>
inline unsigned int GetSizeOfVarInt(I n)
@@ -317,7 +326,8 @@ I ReadVarInt(Stream& is)
#define VARINT(obj) REF(WrapVarInt(REF(obj)))
#define LIMITED_STRING(obj,n) REF(LimitedString< n >(REF(obj)))
-/** Wrapper for serializing arrays and POD.
+/**
+ * Wrapper for serializing arrays and POD.
*/
class CFlatData
{
@@ -415,17 +425,21 @@ public:
template<typename I>
CVarInt<I> WrapVarInt(I& n) { return CVarInt<I>(n); }
-//
-// Forward declarations
-//
+/**
+ * Forward declarations
+ */
-// string
+/**
+ * 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
-// vectors of unsigned char are a special case and are intended to be serialized as a single opaque blob.
+/**
+ * vector
+ * vectors of unsigned char are a special case and are intended to be serialized as a single opaque blob.
+ */
template<typename T, typename A> unsigned int GetSerializeSize_impl(const std::vector<T, A>& v, int nType, int nVersion, const unsigned char&);
template<typename T, typename A, typename V> unsigned int GetSerializeSize_impl(const std::vector<T, A>& v, int nType, int nVersion, const V&);
template<typename T, typename A> inline unsigned int GetSerializeSize(const std::vector<T, A>& v, int nType, int nVersion);
@@ -436,22 +450,30 @@ template<typename Stream, typename T, typename A> void Unserialize_impl(Stream&
template<typename Stream, typename T, typename A, typename V> void Unserialize_impl(Stream& is, std::vector<T, A>& v, int nType, int nVersion, const V&);
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
+/**
+ * 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
+/**
+ * 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);
-// map
+/**
+ * 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
+/**
+ * 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);
@@ -460,12 +482,12 @@ template<typename Stream, typename K, typename Pred, typename A> void Unserializ
-//
-// If none of the specialized versions above matched, default to calling member function.
-// "int nType" is changed to "long nType" to keep from getting an ambiguous overload error.
-// The compiler will only cast int to long if none of the other templates matched.
-// Thanks to Boost serialization for this idea.
-//
+/**
+ * If none of the specialized versions above matched, default to calling member function.
+ * "int nType" is changed to "long nType" to keep from getting an ambiguous overload error.
+ * The compiler will only cast int to long if none of the other templates matched.
+ * Thanks to Boost serialization for this idea.
+ */
template<typename T>
inline unsigned int GetSerializeSize(const T& a, long nType, int nVersion)
{
@@ -488,9 +510,9 @@ inline void Unserialize(Stream& is, T& a, long nType, int nVersion)
-//
-// string
-//
+/**
+ * string
+ */
template<typename C>
unsigned int GetSerializeSize(const std::basic_string<C>& str, int, int)
{
@@ -516,9 +538,9 @@ void Unserialize(Stream& is, std::basic_string<C>& str, int, int)
-//
-// vector
-//
+/**
+ * vector
+ */
template<typename T, typename A>
unsigned int GetSerializeSize_impl(const std::vector<T, A>& v, int nType, int nVersion, const unsigned char&)
{
@@ -606,9 +628,9 @@ inline void Unserialize(Stream& is, std::vector<T, A>& v, int nType, int nVersio
-//
-// others derived from vector
-//
+/**
+ * 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);
@@ -628,9 +650,9 @@ void Unserialize(Stream& is, CScript& v, int nType, int nVersion)
-//
-// pair
-//
+/**
+ * pair
+ */
template<typename K, typename T>
unsigned int GetSerializeSize(const std::pair<K, T>& item, int nType, int nVersion)
{
@@ -653,9 +675,9 @@ void Unserialize(Stream& is, std::pair<K, T>& item, int nType, int nVersion)
-//
-// map
-//
+/**
+ * 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)
{
@@ -689,9 +711,9 @@ void Unserialize(Stream& is, std::map<K, T, Pred, A>& m, int nType, int nVersion
-//
-// set
-//
+/**
+ * set
+ */
template<typename K, typename Pred, typename A>
unsigned int GetSerializeSize(const std::set<K, Pred, A>& m, int nType, int nVersion)
{
@@ -725,9 +747,9 @@ void Unserialize(Stream& is, std::set<K, Pred, A>& m, int nType, int nVersion)
-//
-// Support for ADD_SERIALIZE_METHODS and READWRITE macro
-//
+/**
+ * Support for ADD_SERIALIZE_METHODS and READWRITE macro
+ */
struct CSerActionSerialize
{
bool ForRead() const { return false; }