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authorjebes <psteidelprogramming@gmail.com>2014-10-13 16:00:09 -0400
committerjebes <psteidelprogramming@gmail.com>2014-10-13 16:00:09 -0400
commitb032619a9cb1850dcbb1381b1e77ca1d7c2a00a7 (patch)
tree5e13ac793a68ab974ff173b4d9892386f40267c2 /src/serialization/binary_archive.h
parentMerge pull request #175 (diff)
downloadmonero-b032619a9cb1850dcbb1381b1e77ca1d7c2a00a7.tar.xz
Commented most of src/serialization/ going to read up more on variant's and finish off the job/add last touchs next
Diffstat (limited to 'src/serialization/binary_archive.h')
-rw-r--r--src/serialization/binary_archive.h66
1 files changed, 51 insertions, 15 deletions
diff --git a/src/serialization/binary_archive.h b/src/serialization/binary_archive.h
index baa6707db..56c94684e 100644
--- a/src/serialization/binary_archive.h
+++ b/src/serialization/binary_archive.h
@@ -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)