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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*!********************************************************************
Audacity: A Digital Audio Editor
MockedPrefs.cpp
Dmitry Vedenko
**********************************************************************/
#include "MockedPrefs.h"
#include "Prefs.h"
#include <unordered_map>
#include <variant>
class MockedSettings final : public audacity::BasicSettings
{
std::vector<wxString> mGroupStack { "/" };
using DataType = std::variant<
wxString,
bool,
int,
long,
long long,
double>;
template<typename T>
bool DoRead(const wxString& key, T* value) const
{
auto it = mStorage.find(MakePath(key));
if(it == mStorage.end())
return false;
if(auto ptr = std::get_if<T>(&it->second))
{
*value = *ptr;
return true;
}
return false;
}
bool DoWrite(const wxString& key, DataType value)
{
mStorage[key] = std::move(value);
return true;
}
protected:
void DoBeginGroup(const wxString& prefix) override
{
mGroupStack.push_back(prefix);
}
void DoEndGroup() noexcept override
{
mGroupStack.pop_back();
}
bool HasGroup(const wxString& key) const override
{
return true;
}
bool HasEntry(const wxString& key) const override
{
return mStorage.find(MakePath(key)) != mStorage.end();
}
bool Flush() noexcept override
{
return true;
}
wxString GetGroup() const override
{
return mGroupStack.back();
}
wxArrayString GetChildGroups() const override
{
return { };
}
wxArrayString GetChildKeys() const override
{
return { };
}
bool Remove(const wxString& key) override
{
if(key.empty())
{
for(auto it = mStorage.begin(); it != mStorage.end(); ++it)
{
if(it->first.StartsWith(key))
it = mStorage.erase(it);
}
}
else
{
auto it = mStorage.find(MakePath(key));
if(it != mStorage.end())
{
mStorage.erase(it);
return true;
}
}
return false;
}
void Clear() override
{
mStorage.clear();
}
bool Read(const wxString& key, bool* value) const override { return DoRead(key, value); }
bool Read(const wxString& key, int* value) const override { return DoRead(key, value); }
bool Read(const wxString& key, long* value) const override { return DoRead(key, value); }
bool Read(const wxString& key, long long* value) const override { return DoRead(key, value); }
bool Read(const wxString& key, double* value) const override { return DoRead(key, value); }
bool Read(const wxString& key, wxString* value) const override { return DoRead(key, value); }
bool Write(const wxString& key, bool value) override { return DoWrite(key, {value}); }
bool Write(const wxString& key, int value) override { return DoWrite(key, {value}); }
bool Write(const wxString& key, long value) override { return DoWrite(key, {value}); }
bool Write(const wxString& key, long long value) override { return DoWrite(key, {value}); }
bool Write(const wxString& key, double value) override { return DoWrite(key, {value}); }
bool Write(const wxString& key, const wxString& value) override { return DoWrite(key, {value}); }
private:
wxString MakePath(const wxString& key) const
{
return mGroupStack.back() + "/" + key;
}
std::unordered_map<wxString, DataType> mStorage;
};
MockedPrefs::MockedPrefs()
{
InitPreferences(std::make_unique<MockedSettings>());
}
MockedPrefs::~MockedPrefs ()
{
FinishPreferences();
}
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