Duckstation/src/util/ini_settings_interface.cpp

343 lines
9.3 KiB
C++

// SPDX-FileCopyrightText: 2019-2024 Connor McLaughlin <stenzek@gmail.com>
// SPDX-License-Identifier: (GPL-3.0 OR CC-BY-NC-ND-4.0)
#include "ini_settings_interface.h"
#include "common/error.h"
#include "common/file_system.h"
#include "common/log.h"
#include "common/path.h"
#include "common/string_util.h"
#include <algorithm>
#include <iterator>
#include <mutex>
Log_SetChannel(INISettingsInterface);
#ifdef _WIN32
#include <io.h> // _mktemp_s
#else
#include <stdlib.h> // mktemp
#endif
// To prevent races between saving and loading settings, particularly with game settings,
// we only allow one ini to be parsed at any point in time.
static std::mutex s_ini_load_save_mutex;
static std::string GetTemporaryFileName(const std::string& original_filename)
{
std::string temporary_filename;
temporary_filename.reserve(original_filename.length() + 8);
temporary_filename.append(original_filename);
#ifdef _WIN32
temporary_filename.append(".XXXXXXX");
_mktemp_s(temporary_filename.data(), temporary_filename.length() + 1);
#else
temporary_filename.append(".XXXXXX");
#if defined(__linux__) || defined(__ANDROID__) || defined(__APPLE__)
mkstemp(temporary_filename.data());
#else
mktemp(temporary_filename.data());
#endif
#endif
return temporary_filename;
}
INISettingsInterface::INISettingsInterface(std::string filename) : m_filename(std::move(filename)), m_ini(true, true)
{
}
INISettingsInterface::~INISettingsInterface()
{
if (m_dirty)
Save();
}
bool INISettingsInterface::Load()
{
if (m_filename.empty())
return false;
std::unique_lock lock(s_ini_load_save_mutex);
SI_Error err = SI_FAIL;
auto fp = FileSystem::OpenManagedCFile(m_filename.c_str(), "rb");
if (fp)
err = m_ini.LoadFile(fp.get());
return (err == SI_OK);
}
bool INISettingsInterface::Save(Error* error /* = nullptr */)
{
if (m_filename.empty())
{
Error::SetStringView(error, "Filename is not set.");
return false;
}
std::unique_lock lock(s_ini_load_save_mutex);
std::string temp_filename(GetTemporaryFileName(m_filename));
SI_Error err = SI_FAIL;
std::FILE* fp = FileSystem::OpenCFile(temp_filename.c_str(), "wb", error);
if (fp)
{
err = m_ini.SaveFile(fp, false);
std::fclose(fp);
if (err != SI_OK)
{
Error::SetStringFmt(error, "INI SaveFile() failed: {}", static_cast<int>(err));
// remove temporary file
FileSystem::DeleteFile(temp_filename.c_str());
}
else if (!FileSystem::RenamePath(temp_filename.c_str(), m_filename.c_str(), error))
{
Log_ErrorPrintf("Failed to rename '%s' to '%s'", temp_filename.c_str(), m_filename.c_str());
FileSystem::DeleteFile(temp_filename.c_str());
return false;
}
}
if (err != SI_OK)
{
Log_WarningPrintf("Failed to save settings to '%s'.", m_filename.c_str());
return false;
}
m_dirty = false;
return true;
}
void INISettingsInterface::Clear()
{
m_ini.Reset();
}
bool INISettingsInterface::GetIntValue(const char* section, const char* key, s32* value) const
{
const char* str_value = m_ini.GetValue(section, key);
if (!str_value)
return false;
std::optional<s32> parsed_value = StringUtil::FromChars<s32>(str_value, 10);
if (!parsed_value.has_value())
return false;
*value = parsed_value.value();
return true;
}
bool INISettingsInterface::GetUIntValue(const char* section, const char* key, u32* value) const
{
const char* str_value = m_ini.GetValue(section, key);
if (!str_value)
return false;
std::optional<u32> parsed_value = StringUtil::FromChars<u32>(str_value, 10);
if (!parsed_value.has_value())
return false;
*value = parsed_value.value();
return true;
}
bool INISettingsInterface::GetFloatValue(const char* section, const char* key, float* value) const
{
const char* str_value = m_ini.GetValue(section, key);
if (!str_value)
return false;
std::optional<float> parsed_value = StringUtil::FromChars<float>(str_value);
if (!parsed_value.has_value())
return false;
*value = parsed_value.value();
return true;
}
bool INISettingsInterface::GetDoubleValue(const char* section, const char* key, double* value) const
{
const char* str_value = m_ini.GetValue(section, key);
if (!str_value)
return false;
std::optional<double> parsed_value = StringUtil::FromChars<double>(str_value);
if (!parsed_value.has_value())
return false;
*value = parsed_value.value();
return true;
}
bool INISettingsInterface::GetBoolValue(const char* section, const char* key, bool* value) const
{
const char* str_value = m_ini.GetValue(section, key);
if (!str_value)
return false;
std::optional<bool> parsed_value = StringUtil::FromChars<bool>(str_value);
if (!parsed_value.has_value())
return false;
*value = parsed_value.value();
return true;
}
bool INISettingsInterface::GetStringValue(const char* section, const char* key, std::string* value) const
{
const char* str_value = m_ini.GetValue(section, key);
if (!str_value)
return false;
value->assign(str_value);
return true;
}
bool INISettingsInterface::GetStringValue(const char* section, const char* key, SmallStringBase* value) const
{
const char* str_value = m_ini.GetValue(section, key);
if (!str_value)
return false;
value->assign(str_value);
return true;
}
void INISettingsInterface::SetIntValue(const char* section, const char* key, s32 value)
{
m_dirty = true;
m_ini.SetValue(section, key, StringUtil::ToChars(value).c_str(), nullptr, true);
}
void INISettingsInterface::SetUIntValue(const char* section, const char* key, u32 value)
{
m_dirty = true;
m_ini.SetValue(section, key, StringUtil::ToChars(value).c_str(), nullptr, true);
}
void INISettingsInterface::SetFloatValue(const char* section, const char* key, float value)
{
m_dirty = true;
m_ini.SetValue(section, key, StringUtil::ToChars(value).c_str(), nullptr, true);
}
void INISettingsInterface::SetDoubleValue(const char* section, const char* key, double value)
{
m_dirty = true;
m_ini.SetValue(section, key, StringUtil::ToChars(value).c_str(), nullptr, true);
}
void INISettingsInterface::SetBoolValue(const char* section, const char* key, bool value)
{
m_dirty = true;
m_ini.SetBoolValue(section, key, value, nullptr, true);
}
void INISettingsInterface::SetStringValue(const char* section, const char* key, const char* value)
{
m_dirty = true;
m_ini.SetValue(section, key, value, nullptr, true);
}
bool INISettingsInterface::ContainsValue(const char* section, const char* key) const
{
return (m_ini.GetValue(section, key, nullptr) != nullptr);
}
void INISettingsInterface::DeleteValue(const char* section, const char* key)
{
m_dirty = true;
m_ini.Delete(section, key);
}
void INISettingsInterface::ClearSection(const char* section)
{
m_dirty = true;
m_ini.Delete(section, nullptr);
m_ini.SetValue(section, nullptr, nullptr);
}
std::vector<std::string> INISettingsInterface::GetStringList(const char* section, const char* key) const
{
std::list<CSimpleIniA::Entry> entries;
if (!m_ini.GetAllValues(section, key, entries))
return {};
std::vector<std::string> ret;
ret.reserve(entries.size());
for (const CSimpleIniA::Entry& entry : entries)
ret.emplace_back(entry.pItem);
return ret;
}
void INISettingsInterface::SetStringList(const char* section, const char* key, const std::vector<std::string>& items)
{
m_dirty = true;
m_ini.Delete(section, key);
for (const std::string& sv : items)
m_ini.SetValue(section, key, sv.c_str(), nullptr, false);
}
bool INISettingsInterface::RemoveFromStringList(const char* section, const char* key, const char* item)
{
m_dirty = true;
return m_ini.DeleteValue(section, key, item, true);
}
bool INISettingsInterface::AddToStringList(const char* section, const char* key, const char* item)
{
std::list<CSimpleIniA::Entry> entries;
if (m_ini.GetAllValues(section, key, entries) &&
std::find_if(entries.begin(), entries.end(),
[item](const CSimpleIniA::Entry& e) { return (std::strcmp(e.pItem, item) == 0); }) != entries.end())
{
return false;
}
m_dirty = true;
m_ini.SetValue(section, key, item, nullptr, false);
return true;
}
std::vector<std::pair<std::string, std::string>> INISettingsInterface::GetKeyValueList(const char* section) const
{
using Entry = CSimpleIniA::Entry;
using KVEntry = std::pair<const char*, Entry>;
std::vector<KVEntry> entries;
std::vector<std::pair<std::string, std::string>> output;
std::list<Entry> keys, values;
if (m_ini.GetAllKeys(section, keys))
{
for (Entry& key : keys)
{
if (!m_ini.GetAllValues(section, key.pItem, values)) // [[unlikely]]
{
Log_ErrorPrintf("Got no values for a key returned from GetAllKeys!");
continue;
}
for (const Entry& value : values)
entries.emplace_back(key.pItem, value);
}
}
std::sort(entries.begin(), entries.end(),
[](const KVEntry& a, const KVEntry& b) { return a.second.nOrder < b.second.nOrder; });
for (const KVEntry& entry : entries)
output.emplace_back(entry.first, entry.second.pItem);
return output;
}
void INISettingsInterface::SetKeyValueList(const char* section,
const std::vector<std::pair<std::string, std::string>>& items)
{
m_ini.Delete(section, nullptr);
for (const std::pair<std::string, std::string>& item : items)
m_ini.SetValue(section, item.first.c_str(), item.second.c_str(), nullptr, false);
}