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mdbx++: changes after codereview-1 (part 1 of 2).

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Change-Id: If58c4281ce29f95fd566bc615082963a9500c381
This commit is contained in:
Leonid Yuriev 2020-09-14 15:24:17 +03:00
parent e40dfb771e
commit 04b0d258ff
2 changed files with 102 additions and 140 deletions
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164
mdbx.h++
View File

@ -27,7 +27,7 @@
#define __has_include(header) (0)
#endif /* __has_include */
#if defined(__has_include) && __has_include(<version>)
#if __has_include(<version>)
#include <version>
#endif /* <version> */
@ -161,7 +161,7 @@
namespace mdbx {
// Functions whose signature depends on the byte type
// Functions whose signature depends on the `mdbx::byte` type
// must be strictly defined as inline!
#if defined(DOXYGEN) || (defined(__cpp_char8_t) && __cpp_char8_t >= 201811)
using byte = char8_t;
@ -862,7 +862,7 @@ public:
using allocator_type = ALLOCATOR;
enum : size_t {
max_length = MDBX_MAXDATASIZE,
default_shrink_treshold = 1024
default_shrink_threshold = 1024
};
/// \brief Returns the associated allocator.
@ -1050,7 +1050,7 @@ public:
/// \brief Reserves storage.
inline void reserve(size_t wanna_headroom, size_t wanna_tailroom,
size_t shrink_threshold = default_shrink_treshold);
size_t shrink_threshold = default_shrink_threshold);
buffer &assign_reference(const void *ptr, size_t bytes) noexcept {
silo_.clear();
@ -2632,91 +2632,46 @@ public:
//------------------------------------------------------------------------------
LIBMDBX_API ::std::ostream &operator<<(::std::ostream &, const ::mdbx::slice &);
LIBMDBX_API ::std::ostream &operator<<(::std::ostream &, const ::mdbx::pair &);
LIBMDBX_API ::std::ostream &operator<<(::std::ostream &, const slice &);
LIBMDBX_API ::std::ostream &operator<<(::std::ostream &, const pair &);
template <class ALLOCATOR>
inline ::std::ostream &operator<<(::std::ostream &out,
const ::mdbx::buffer<ALLOCATOR> &it) {
const buffer<ALLOCATOR> &it) {
return (it.is_freestanding()
? out << "buf-" << it.headroom() << "." << it.tailroom()
: out << "ref-")
<< it.slice();
}
LIBMDBX_API ::std::ostream &operator<<(::std::ostream &,
const ::mdbx::env::geometry::size &);
const env::geometry::size &);
LIBMDBX_API ::std::ostream &operator<<(::std::ostream &, const env::geometry &);
LIBMDBX_API ::std::ostream &operator<<(::std::ostream &,
const ::mdbx::env::geometry &);
const env::operate_parameters &);
LIBMDBX_API ::std::ostream &operator<<(::std::ostream &, const env::mode &);
LIBMDBX_API ::std::ostream &operator<<(::std::ostream &,
const ::mdbx::env::operate_parameters &);
const env::durability &);
LIBMDBX_API ::std::ostream &operator<<(::std::ostream &,
const ::mdbx::env::mode &);
const env::reclaiming_options &);
LIBMDBX_API ::std::ostream &operator<<(::std::ostream &,
const ::mdbx::env::durability &);
const env::operate_options &);
LIBMDBX_API ::std::ostream &operator<<(::std::ostream &,
const ::mdbx::env::reclaiming_options &);
LIBMDBX_API ::std::ostream &operator<<(::std::ostream &,
const ::mdbx::env::operate_options &);
LIBMDBX_API ::std::ostream &
operator<<(::std::ostream &, const ::mdbx::env_managed::create_parameters &);
const env_managed::create_parameters &);
LIBMDBX_API ::std::ostream &operator<<(::std::ostream &,
const MDBX_log_level_t &);
LIBMDBX_API ::std::ostream &operator<<(::std::ostream &,
const MDBX_debug_flags_t &);
LIBMDBX_API ::std::ostream &operator<<(::std::ostream &, const ::mdbx::error &);
LIBMDBX_API ::std::ostream &operator<<(::std::ostream &, const error &);
inline ::std::ostream &operator<<(::std::ostream &out,
const MDBX_error_t &errcode) {
return out << ::mdbx::error(errcode);
return out << error(errcode);
}
} // namespace mdbx
//------------------------------------------------------------------------------
namespace std {
#if defined(__cpp_lib_string_view) && __cpp_lib_string_view >= 201606L
template <> struct is_convertible<::mdbx::slice, string_view> : true_type {};
#if __cplusplus >= 202002L
template <>
struct is_nothrow_convertible<::mdbx::slice, string_view> : true_type {};
#endif /* C++20 */
#endif /* std::string_view */
LIBMDBX_API string to_string(const ::mdbx::slice &);
LIBMDBX_API string to_string(const ::mdbx::pair &);
template <class ALLOCATOR>
inline string to_string(const ::mdbx::buffer<ALLOCATOR> &buffer) {
ostringstream out;
out << buffer;
return out.str();
}
LIBMDBX_API string to_string(const ::mdbx::env::geometry &);
LIBMDBX_API string to_string(const ::mdbx::env::operate_parameters &);
LIBMDBX_API string to_string(const ::mdbx::env::mode &);
LIBMDBX_API string to_string(const ::mdbx::env::durability &);
LIBMDBX_API string to_string(const ::mdbx::env::reclaiming_options &);
LIBMDBX_API string to_string(const ::mdbx::env::operate_options &);
LIBMDBX_API string to_string(const ::mdbx::env_managed::create_parameters &);
LIBMDBX_API string to_string(const ::MDBX_log_level_t &);
LIBMDBX_API string to_string(const ::MDBX_debug_flags_t &);
LIBMDBX_API string to_string(const ::mdbx::error &);
inline string to_string(const ::MDBX_error_t &errcode) {
return to_string(::mdbx::error(errcode));
}
} // namespace std
//==============================================================================
//
// Inline body of the libmdbx C++ API (preliminary draft)
//
namespace mdbx {
cxx11_constexpr const version_info &get_version() noexcept {
return ::mdbx_version;
}
@ -4542,6 +4497,91 @@ inline int buffer<ALLOCATOR>::data_preserver::callback(void *context,
}
}
//------------------------------------------------------------------------------
inline std::string to_string(const slice &value) {
std::ostringstream out;
out << value;
return out.str();
}
template <class ALLOCATOR>
inline std::string to_string(const buffer<ALLOCATOR> &buffer) {
std::ostringstream out;
out << buffer;
return out.str();
}
inline std::string to_string(const pair &value) {
std::ostringstream out;
out << value;
return out.str();
}
inline std::string to_string(const env::geometry &value) {
std::ostringstream out;
out << value;
return out.str();
}
inline std::string to_string(const env::operate_parameters &value) {
std::ostringstream out;
out << value;
return out.str();
}
inline std::string to_string(const env::mode &value) {
std::ostringstream out;
out << value;
return out.str();
}
inline std::string to_string(const env::durability &value) {
std::ostringstream out;
out << value;
return out.str();
}
inline std::string to_string(const env::reclaiming_options &value) {
std::ostringstream out;
out << value;
return out.str();
}
inline std::string to_string(const env::operate_options &value) {
std::ostringstream out;
out << value;
return out.str();
}
inline std::string to_string(const env_managed::create_parameters &value) {
std::ostringstream out;
out << value;
return out.str();
}
inline std::string to_string(const MDBX_log_level_t &value) {
std::ostringstream out;
out << value;
return out.str();
}
inline std::string to_string(const MDBX_debug_flags_t &value) {
std::ostringstream out;
out << value;
return out.str();
}
inline std::string to_string(const error &value) {
std::ostringstream out;
out << value;
return out.str();
}
inline std::string to_string(const ::MDBX_error_t &errcode) {
return to_string(error(errcode));
}
} // namespace mdbx
#ifdef _MSC_VER

78
src/mdbx.c++
View File

@ -1516,81 +1516,3 @@ __cold ::std::ostream &operator<<(::std::ostream &out,
}
} // namespace mdbx
//------------------------------------------------------------------------------
namespace std {
__cold string to_string(const ::mdbx::slice &value) {
ostringstream out;
out << value;
return out.str();
}
__cold string to_string(const ::mdbx::pair &value) {
ostringstream out;
out << value;
return out.str();
}
__cold string to_string(const ::mdbx::env::geometry &value) {
ostringstream out;
out << value;
return out.str();
}
__cold string to_string(const ::mdbx::env::operate_parameters &value) {
ostringstream out;
out << value;
return out.str();
}
__cold string to_string(const ::mdbx::env::mode &value) {
ostringstream out;
out << value;
return out.str();
}
__cold string to_string(const ::mdbx::env::durability &value) {
ostringstream out;
out << value;
return out.str();
}
__cold string to_string(const ::mdbx::env::reclaiming_options &value) {
ostringstream out;
out << value;
return out.str();
}
__cold string to_string(const ::mdbx::env::operate_options &value) {
ostringstream out;
out << value;
return out.str();
}
__cold string to_string(const ::mdbx::env_managed::create_parameters &value) {
ostringstream out;
out << value;
return out.str();
}
__cold string to_string(const MDBX_log_level_t &value) {
ostringstream out;
out << value;
return out.str();
}
__cold string to_string(const MDBX_debug_flags_t &value) {
ostringstream out;
out << value;
return out.str();
}
__cold string to_string(const ::mdbx::error &value) {
ostringstream out;
out << value;
return out.str();
}
} // namespace std