Danny Robson
f6056153e3
This places, at long last, the core library code into the same namespace as the extended library code.
96 lines
2.8 KiB
C++
96 lines
2.8 KiB
C++
/*
|
|
* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
*
|
|
* Copyright 2015 Danny Robson <danny@nerdcruft.net>
|
|
*/
|
|
|
|
#include "registry.hpp"
|
|
|
|
#include "error.hpp"
|
|
#include "../debug.hpp"
|
|
#include "../except.hpp"
|
|
|
|
#include <string>
|
|
#include <cstdint>
|
|
|
|
using cruft::win32::key;
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
typedef uint64_t QWORD;
|
|
|
|
//-----------------------------------------------------------------------------
|
|
template <typename T> constexpr DWORD type_to_id (void);
|
|
|
|
template <> constexpr DWORD type_to_id<DWORD> (void) { return REG_DWORD; }
|
|
template <> constexpr DWORD type_to_id<QWORD> (void) { return REG_QWORD; }
|
|
template <> constexpr DWORD type_to_id<void> (void) { return REG_NONE; }
|
|
template <> constexpr DWORD type_to_id<std::string> (void) { return REG_SZ; }
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
template <typename T> constexpr DWORD restrict_to_id (void);
|
|
|
|
template <> constexpr DWORD restrict_to_id<DWORD> (void) { return RRF_RT_DWORD; }
|
|
template <> constexpr DWORD restrict_to_id<QWORD> (void) { return RRF_RT_QWORD; }
|
|
template <> constexpr DWORD restrict_to_id<void> (void) { return RRF_RT_REG_NONE; }
|
|
template <> constexpr DWORD restrict_to_id<std::string> (void) { return RRF_RT_REG_SZ; }
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
key::key (HKEY root, const char *child, REGSAM rights)
|
|
{
|
|
auto err = RegOpenKeyEx (root, child, 0, rights, &m_handle);
|
|
win32::error::try_code (err);
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
key::~key ()
|
|
{
|
|
auto err = RegCloseKey (m_handle);
|
|
win32::error::try_code (err);
|
|
}
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
template <typename T>
|
|
T
|
|
key::data (const char *name) const
|
|
{
|
|
T value;
|
|
DWORD type;
|
|
DWORD size = sizeof (value);
|
|
|
|
auto err = RegGetValue (m_handle, name, &value, restrict_to_id<T> (), nullptr, &value, &size);
|
|
win32::error::try_code (err);
|
|
|
|
return value;
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
std::set<std::string>
|
|
key::values (void) const
|
|
{
|
|
std::set<std::string> all;
|
|
|
|
for (DWORD i = 0; ; ++i) {
|
|
std::string name (255, '\0');
|
|
DWORD size = name.size ();
|
|
|
|
auto err = RegEnumValue (m_handle, i, &name[0], &size, nullptr, nullptr, nullptr, nullptr);
|
|
if (ERROR_NO_MORE_ITEMS == err)
|
|
return all;
|
|
if (ERROR_SUCCESS != err)
|
|
win32::error::throw_code (err);
|
|
|
|
CHECK_GT (size, 0u);
|
|
name.resize (size - 1);
|
|
|
|
all.insert (std::move (name));
|
|
}
|
|
}
|