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/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#pragma once
#include <string>
#include <vector>
#include <cm/optional>
#include <cm/string_view>
#include <cmext/string_view>
class cmMakefile;
class cmWindowsRegistry
{
public:
cmWindowsRegistry(cmMakefile&);
enum class View
{
Both,
Target,
Host,
Reg64_32,
Reg32_64,
Reg32,
Reg64
};
// Helper routine to convert string to enum value
static cm::optional<View> ToView(cm::string_view name);
// Helper routine to convert enum to string
static cm::string_view FromView(View view);
cm::optional<std::string> ReadValue(cm::string_view key,
View view = View::Both,
cm::string_view separator = "\0"_s)
{
return this->ReadValue(key, ""_s, view, separator);
}
cm::optional<std::string> ReadValue(cm::string_view key,
cm::string_view name,
View view = View::Both,
cm::string_view separator = "\0"_s);
cm::optional<std::vector<std::string>> GetValueNames(cm::string_view key,
View view = View::Both);
cm::optional<std::vector<std::string>> GetSubKeys(cm::string_view key,
View view = View::Both);
cm::string_view GetLastError() const;
private:
#if defined(_WIN32) && !defined(__CYGWIN__)
std::vector<View> ComputeViews(View view);
int TargetSize = 0;
#endif
std::string LastError;
};
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