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Commented most of src/serialization/ going to read up more on variant's and finish off the job/add last touchs next

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jebes 2014-10-13 16:00:09 -04:00
parent 6f65ab1904
commit b032619a9c
5 changed files with 315 additions and 97 deletions
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66
src/serialization/binary_archive.h
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@ -28,7 +28,7 @@
//
// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
/* binary_archive.h
/*! \file binary_archive.h
*
* Portable (low-endian) binary archive */
#pragma once
@ -41,11 +41,20 @@
#include "common/varint.h"
#include "warnings.h"
PUSH_WARNINGS
DISABLE_VS_WARNINGS(4244)
/* I have no clue what these lines means */
PUSH_WARNINGS;
DISABLE_VS_WARNINGS(4244);
//TODO: fix size_t warning in x32 platform
/*! \struct binary_archive_base
*
* \brief base for the binary archive type
*
* \detailed It isn't used outside of this file, which its only
* purpse is to define the functions used for the binary_archive. Its
* a header, basically. I think it was declared simply to save typing...
*/
template <class Stream, bool IsSaving>
struct binary_archive_base
{
@ -56,23 +65,39 @@ struct binary_archive_base
typedef uint8_t variant_tag_type;
explicit binary_archive_base(stream_type &s) : stream_(s) { }
/* definition of standard API functions */
void tag(const char *) { }
void begin_object() { }
void end_object() { }
void begin_variant() { }
void end_variant() { }
stream_type &stream() { return stream_; }
/* I just want to leave a comment saying how this line really shows
flaws in the ownership model of many OOP languages, that is all. */
stream_type &stream() { return stream_; }
protected:
stream_type &stream_;
};
/* \struct binary_archive
*
* \brief the actualy binary archive type
*
* \detailed The boolean template argument /a W is the is_saving
* parameter for binary_archive_base.
*
* The is_saving parameter says whether the archive is being read from
* (false) or written to (true)
*/
template <bool W>
struct binary_archive;
template <>
struct binary_archive<false> : public binary_archive_base<std::istream, false>
{
explicit binary_archive(stream_type &s) : base_type(s) {
stream_type::streampos pos = stream_.tellg();
stream_.seekg(0, std::ios_base::end);
@ -86,6 +111,10 @@ struct binary_archive<false> : public binary_archive_base<std::istream, false>
serialize_uint(*(typename boost::make_unsigned<T>::type *)&v);
}
/*! \fn serialize_uint
*
* \brief serializes an unsigned integer
*/
template <class T>
void serialize_uint(T &v, size_t width = sizeof(T))
{
@ -96,13 +125,17 @@ struct binary_archive<false> : public binary_archive_base<std::istream, false>
char c;
stream_.get(c);
T b = (unsigned char)c;
ret += (b << shift);
ret += (b << shift); // can this be changed to OR, i think it can.
shift += 8;
}
v = ret;
}
void serialize_blob(void *buf, size_t len, const char *delimiter="") { stream_.read((char *)buf, len); }
void serialize_blob(void *buf, size_t len, const char *delimiter="")
{
stream_.read((char *)buf, len);
}
template <class T>
void serialize_varint(T &v)
{
@ -115,17 +148,18 @@ struct binary_archive<false> : public binary_archive_base<std::istream, false>
typedef std::istreambuf_iterator<char> it;
tools::read_varint(it(stream_), it(), v); // XXX handle failure
}
void begin_array(size_t &s)
{
serialize_varint(s);
}
void begin_array() { }
void begin_array() { }
void delimit_array() { }
void end_array() { }
void begin_string(const char *delimiter="\"") { }
void end_string(const char *delimiter="\"") { }
void begin_string(const char *delimiter /*="\""*/) { }
void end_string(const char *delimiter /*="\""*/) { }
void read_variant_tag(variant_tag_type &t) {
serialize_int(t);
@ -157,12 +191,14 @@ struct binary_archive<true> : public binary_archive_base<std::ostream, true>
{
for (size_t i = 0; i < sizeof(T); i++) {
stream_.put((char)(v & 0xff));
if (1 < sizeof(T)) {
v >>= 8;
}
if (1 < sizeof(T)) v >>= 8;
}
}
void serialize_blob(void *buf, size_t len, const char *delimiter="") { stream_.write((char *)buf, len); }
void serialize_blob(void *buf, size_t len, const char *delimiter="")
{
stream_.write((char *)buf, len);
}
template <class T>
void serialize_varint(T &v)