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lang/c/msgpack: C++ binding: reexamined global operators

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git-svn-id: file:///Users/frsyuki/project/msgpack-git/svn/x@72 5a5092ae-2292-43ba-b2d5-dcab9c1a2731
This commit is contained in:
frsyuki
2009-02-15 09:09:58 +00:00
parent f4a6d7faa1
commit 2c7f0b2b1a
10 changed files with 241 additions and 209 deletions
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78
cpp/object.hpp
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@@ -31,6 +31,18 @@ namespace msgpack {
class type_error : public std::bad_cast { };
namespace type {
static const unsigned char NIL = 0x01;
static const unsigned char BOOLEAN = 0x02;
static const unsigned char POSITIVE_INTEGER = 0x03;
static const unsigned char NEGATIVE_INTEGER = 0x04;
static const unsigned char DOUBLE = 0x05;
static const unsigned char RAW = 0x06;
static const unsigned char ARRAY = 0x07;
static const unsigned char MAP = 0x08;
}
struct object {
unsigned char type;
union {
@@ -50,6 +62,11 @@ struct object {
template <typename T>
operator T() { T v; convert(v, *this); return v; };
template <typename T>
T as() { T v; convert(v, *this); return v; }
bool is_nil() { return type == type::NIL; }
};
std::ostream& operator<< (std::ostream& s, const object o);
@@ -58,53 +75,36 @@ bool operator==(const object x, const object y);
inline bool operator!=(const object x, const object y) { return !(x == y); }
inline object& operator<< (object& v, object o)
inline object& operator>> (object o, object& v)
{ v = o; return v; }
template <typename Stream>
const object& operator>> (const object& v, packer<Stream>& o);
packer<Stream>& operator<< (packer<Stream>& o, const object& v);
namespace type {
static const unsigned char NIL = 0x01;
static const unsigned char BOOLEAN = 0x02;
static const unsigned char POSITIVE_INTEGER = 0x03;
static const unsigned char NEGATIVE_INTEGER = 0x04;
static const unsigned char DOUBLE = 0x05;
static const unsigned char RAW = 0x06;
static const unsigned char ARRAY = 0x07;
static const unsigned char MAP = 0x08;
template <typename T>
inline T& operator<< (T& v, object o)
inline T& operator>> (object o, T& v)
{
v.msgpack_unpack(o);
return v;
}
namespace detail {
template <typename Stream, typename T>
inline void pack_copy(T v, packer<Stream>& o)
{ pack(v, o); }
}
template <typename Stream, typename T>
inline const T& operator>> (const T& v, packer<Stream>& o)
inline packer<Stream>& operator<< (packer<Stream>& o, const T& v)
{
detail::pack_copy(v.msgpack_pack(), o);
return v;
pack_copy(v.msgpack_pack(), o);
return o;
}
} // namespace type
}
template <typename T>
inline void convert(T& v, object o)
{
using namespace type;
v << o;
o >> v;
}
@@ -112,7 +112,7 @@ template <typename Stream, typename T>
inline void pack(T& v, packer<Stream>& o)
{
using namespace type;
v >> o;
o << v;
}
@@ -124,14 +124,20 @@ inline void pack(T& v, Stream& s)
}
template <typename Stream, typename T>
inline void pack_copy(T v, packer<Stream>& o)
{
pack(v, o);
}
template <typename Stream>
const object& operator>> (const object& v, packer<Stream>& o)
packer<Stream>& operator<< (packer<Stream>& o, const object& v)
{
switch(v.type) {
case type::NIL:
o.pack_nil();
return v;
return o;
case type::BOOLEAN:
if(v.via.boolean) {
@@ -139,7 +145,7 @@ const object& operator>> (const object& v, packer<Stream>& o)
} else {
o.pack_false();
}
return v;
return o;
case type::POSITIVE_INTEGER:
if(v.via.u64 <= (uint64_t)std::numeric_limits<uint16_t>::max()) {
@@ -155,7 +161,7 @@ const object& operator>> (const object& v, packer<Stream>& o)
o.pack_uint64(v.via.u64);
}
}
return v;
return o;
case type::NEGATIVE_INTEGER:
if(v.via.i64 >= (int64_t)std::numeric_limits<int16_t>::min()) {
@@ -171,11 +177,11 @@ const object& operator>> (const object& v, packer<Stream>& o)
o.pack_int64(v.via.i64);
}
}
return v;
return o;
case type::RAW:
o.pack_raw(v.via.ref.ptr, v.via.ref.size);
return v;
return o;
case type::ARRAY:
o.pack_array(v.via.container.size);
@@ -184,7 +190,7 @@ const object& operator>> (const object& v, packer<Stream>& o)
p < pend; ++p) {
*p >> o;
}
return v;
return o;
// FIXME loop optimiziation
case type::MAP:
@@ -195,7 +201,7 @@ const object& operator>> (const object& v, packer<Stream>& o)
*p >> o; ++p;
*p >> o; ++p;
}
return v;
return o;
// FIXME loop optimiziation
default: