mirror of
https://github.com/RetroDECK/Duckstation.git
synced 2024-11-30 09:35:40 +00:00
343 lines
9.3 KiB
C++
343 lines
9.3 KiB
C++
// SPDX-FileCopyrightText: 2019-2024 Connor McLaughlin <stenzek@gmail.com>
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// SPDX-License-Identifier: (GPL-3.0 OR CC-BY-NC-ND-4.0)
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#include "ini_settings_interface.h"
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#include "common/error.h"
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#include "common/file_system.h"
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#include "common/log.h"
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#include "common/path.h"
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#include "common/string_util.h"
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#include <algorithm>
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#include <iterator>
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#include <mutex>
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Log_SetChannel(INISettingsInterface);
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#ifdef _WIN32
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#include <io.h> // _mktemp_s
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#else
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#include <stdlib.h> // mktemp
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#endif
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// To prevent races between saving and loading settings, particularly with game settings,
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// we only allow one ini to be parsed at any point in time.
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static std::mutex s_ini_load_save_mutex;
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static std::string GetTemporaryFileName(const std::string& original_filename)
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{
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std::string temporary_filename;
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temporary_filename.reserve(original_filename.length() + 8);
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temporary_filename.append(original_filename);
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#ifdef _WIN32
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temporary_filename.append(".XXXXXXX");
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_mktemp_s(temporary_filename.data(), temporary_filename.length() + 1);
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#else
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temporary_filename.append(".XXXXXX");
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#if defined(__linux__) || defined(__ANDROID__) || defined(__APPLE__)
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mkstemp(temporary_filename.data());
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#else
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mktemp(temporary_filename.data());
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#endif
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#endif
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return temporary_filename;
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}
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INISettingsInterface::INISettingsInterface(std::string filename) : m_filename(std::move(filename)), m_ini(true, true)
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{
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}
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INISettingsInterface::~INISettingsInterface()
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{
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if (m_dirty)
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Save();
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}
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bool INISettingsInterface::Load()
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{
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if (m_filename.empty())
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return false;
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std::unique_lock lock(s_ini_load_save_mutex);
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SI_Error err = SI_FAIL;
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auto fp = FileSystem::OpenManagedCFile(m_filename.c_str(), "rb");
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if (fp)
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err = m_ini.LoadFile(fp.get());
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return (err == SI_OK);
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}
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bool INISettingsInterface::Save(Error* error /* = nullptr */)
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{
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if (m_filename.empty())
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{
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Error::SetStringView(error, "Filename is not set.");
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return false;
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}
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std::unique_lock lock(s_ini_load_save_mutex);
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std::string temp_filename(GetTemporaryFileName(m_filename));
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SI_Error err = SI_FAIL;
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std::FILE* fp = FileSystem::OpenCFile(temp_filename.c_str(), "wb", error);
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if (fp)
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{
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err = m_ini.SaveFile(fp, false);
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std::fclose(fp);
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if (err != SI_OK)
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{
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Error::SetStringFmt(error, "INI SaveFile() failed: {}", static_cast<int>(err));
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// remove temporary file
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FileSystem::DeleteFile(temp_filename.c_str());
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}
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else if (!FileSystem::RenamePath(temp_filename.c_str(), m_filename.c_str(), error))
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{
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Log_ErrorPrintf("Failed to rename '%s' to '%s'", temp_filename.c_str(), m_filename.c_str());
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FileSystem::DeleteFile(temp_filename.c_str());
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return false;
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}
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}
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if (err != SI_OK)
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{
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Log_WarningPrintf("Failed to save settings to '%s'.", m_filename.c_str());
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return false;
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}
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m_dirty = false;
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return true;
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}
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void INISettingsInterface::Clear()
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{
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m_ini.Reset();
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}
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bool INISettingsInterface::GetIntValue(const char* section, const char* key, s32* value) const
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{
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const char* str_value = m_ini.GetValue(section, key);
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if (!str_value)
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return false;
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std::optional<s32> parsed_value = StringUtil::FromChars<s32>(str_value, 10);
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if (!parsed_value.has_value())
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return false;
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*value = parsed_value.value();
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return true;
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}
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bool INISettingsInterface::GetUIntValue(const char* section, const char* key, u32* value) const
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{
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const char* str_value = m_ini.GetValue(section, key);
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if (!str_value)
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return false;
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std::optional<u32> parsed_value = StringUtil::FromChars<u32>(str_value, 10);
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if (!parsed_value.has_value())
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return false;
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*value = parsed_value.value();
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return true;
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}
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bool INISettingsInterface::GetFloatValue(const char* section, const char* key, float* value) const
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{
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const char* str_value = m_ini.GetValue(section, key);
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if (!str_value)
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return false;
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std::optional<float> parsed_value = StringUtil::FromChars<float>(str_value);
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if (!parsed_value.has_value())
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return false;
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*value = parsed_value.value();
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return true;
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}
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bool INISettingsInterface::GetDoubleValue(const char* section, const char* key, double* value) const
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{
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const char* str_value = m_ini.GetValue(section, key);
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if (!str_value)
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return false;
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std::optional<double> parsed_value = StringUtil::FromChars<double>(str_value);
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if (!parsed_value.has_value())
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return false;
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*value = parsed_value.value();
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return true;
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}
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bool INISettingsInterface::GetBoolValue(const char* section, const char* key, bool* value) const
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{
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const char* str_value = m_ini.GetValue(section, key);
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if (!str_value)
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return false;
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std::optional<bool> parsed_value = StringUtil::FromChars<bool>(str_value);
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if (!parsed_value.has_value())
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return false;
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*value = parsed_value.value();
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return true;
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}
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bool INISettingsInterface::GetStringValue(const char* section, const char* key, std::string* value) const
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{
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const char* str_value = m_ini.GetValue(section, key);
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if (!str_value)
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return false;
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value->assign(str_value);
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return true;
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}
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bool INISettingsInterface::GetStringValue(const char* section, const char* key, SmallStringBase* value) const
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{
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const char* str_value = m_ini.GetValue(section, key);
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if (!str_value)
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return false;
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value->assign(str_value);
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return true;
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}
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void INISettingsInterface::SetIntValue(const char* section, const char* key, s32 value)
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{
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m_dirty = true;
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m_ini.SetValue(section, key, StringUtil::ToChars(value).c_str(), nullptr, true);
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}
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void INISettingsInterface::SetUIntValue(const char* section, const char* key, u32 value)
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{
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m_dirty = true;
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m_ini.SetValue(section, key, StringUtil::ToChars(value).c_str(), nullptr, true);
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}
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void INISettingsInterface::SetFloatValue(const char* section, const char* key, float value)
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{
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m_dirty = true;
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m_ini.SetValue(section, key, StringUtil::ToChars(value).c_str(), nullptr, true);
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}
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void INISettingsInterface::SetDoubleValue(const char* section, const char* key, double value)
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{
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m_dirty = true;
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m_ini.SetValue(section, key, StringUtil::ToChars(value).c_str(), nullptr, true);
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}
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void INISettingsInterface::SetBoolValue(const char* section, const char* key, bool value)
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{
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m_dirty = true;
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m_ini.SetBoolValue(section, key, value, nullptr, true);
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}
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void INISettingsInterface::SetStringValue(const char* section, const char* key, const char* value)
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{
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m_dirty = true;
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m_ini.SetValue(section, key, value, nullptr, true);
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}
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bool INISettingsInterface::ContainsValue(const char* section, const char* key) const
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{
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return (m_ini.GetValue(section, key, nullptr) != nullptr);
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}
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void INISettingsInterface::DeleteValue(const char* section, const char* key)
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{
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m_dirty = true;
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m_ini.Delete(section, key);
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}
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void INISettingsInterface::ClearSection(const char* section)
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{
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m_dirty = true;
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m_ini.Delete(section, nullptr);
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m_ini.SetValue(section, nullptr, nullptr);
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}
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std::vector<std::string> INISettingsInterface::GetStringList(const char* section, const char* key) const
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{
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std::list<CSimpleIniA::Entry> entries;
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if (!m_ini.GetAllValues(section, key, entries))
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return {};
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std::vector<std::string> ret;
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ret.reserve(entries.size());
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for (const CSimpleIniA::Entry& entry : entries)
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ret.emplace_back(entry.pItem);
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return ret;
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}
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void INISettingsInterface::SetStringList(const char* section, const char* key, const std::vector<std::string>& items)
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{
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m_dirty = true;
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m_ini.Delete(section, key);
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for (const std::string& sv : items)
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m_ini.SetValue(section, key, sv.c_str(), nullptr, false);
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}
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bool INISettingsInterface::RemoveFromStringList(const char* section, const char* key, const char* item)
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{
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m_dirty = true;
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return m_ini.DeleteValue(section, key, item, true);
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}
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bool INISettingsInterface::AddToStringList(const char* section, const char* key, const char* item)
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{
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std::list<CSimpleIniA::Entry> entries;
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if (m_ini.GetAllValues(section, key, entries) &&
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std::find_if(entries.begin(), entries.end(),
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[item](const CSimpleIniA::Entry& e) { return (std::strcmp(e.pItem, item) == 0); }) != entries.end())
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{
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return false;
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}
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m_dirty = true;
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m_ini.SetValue(section, key, item, nullptr, false);
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return true;
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}
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std::vector<std::pair<std::string, std::string>> INISettingsInterface::GetKeyValueList(const char* section) const
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{
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using Entry = CSimpleIniA::Entry;
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using KVEntry = std::pair<const char*, Entry>;
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std::vector<KVEntry> entries;
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std::vector<std::pair<std::string, std::string>> output;
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std::list<Entry> keys, values;
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if (m_ini.GetAllKeys(section, keys))
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{
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for (Entry& key : keys)
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{
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if (!m_ini.GetAllValues(section, key.pItem, values)) // [[unlikely]]
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{
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Log_ErrorPrintf("Got no values for a key returned from GetAllKeys!");
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continue;
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}
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for (const Entry& value : values)
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entries.emplace_back(key.pItem, value);
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}
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}
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std::sort(entries.begin(), entries.end(),
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[](const KVEntry& a, const KVEntry& b) { return a.second.nOrder < b.second.nOrder; });
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for (const KVEntry& entry : entries)
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output.emplace_back(entry.first, entry.second.pItem);
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return output;
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}
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void INISettingsInterface::SetKeyValueList(const char* section,
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const std::vector<std::pair<std::string, std::string>>& items)
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{
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m_ini.Delete(section, nullptr);
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for (const std::pair<std::string, std::string>& item : items)
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m_ini.SetValue(section, item.first.c_str(), item.second.c_str(), nullptr, false);
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}
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