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https://github.com/WinampDesktop/winamp.git
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524 lines
15 KiB
C++
524 lines
15 KiB
C++
/*
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* Settings.cpp
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* ------------
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* Purpose: Application setting handling framework.
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* Notes : (currently none)
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* Authors: Joern Heusipp
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* OpenMPT Devs
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* The OpenMPT source code is released under the BSD license. Read LICENSE for more details.
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*/
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#include "stdafx.h"
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#include "Settings.h"
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#include "mpt/binary/hex.hpp"
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#include "../common/misc_util.h"
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#include "../common/mptStringBuffer.h"
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#include "Mptrack.h"
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#include "Mainfrm.h"
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#include <algorithm>
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#include "../common/mptFileIO.h"
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OPENMPT_NAMESPACE_BEGIN
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mpt::ustring SettingValue::FormatTypeAsString() const
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{
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if(GetType() == SettingTypeNone)
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{
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return U_("nil");
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}
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mpt::ustring result;
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switch(GetType())
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{
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case SettingTypeBool:
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result += U_("bool");
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break;
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case SettingTypeInt:
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result += U_("int");
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break;
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case SettingTypeFloat:
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result += U_("float");
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break;
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case SettingTypeString:
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result += U_("string");
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break;
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case SettingTypeBinary:
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result += U_("binary");
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break;
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case SettingTypeNone:
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default:
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result += U_("nil");
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break;
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}
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if(HasTypeTag() && !GetTypeTag().empty())
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{
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result += U_(":") + mpt::ToUnicode(mpt::Charset::ASCII, GetTypeTag());
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}
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return result;
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}
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mpt::ustring SettingValue::FormatValueAsString() const
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{
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switch(GetType())
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{
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case SettingTypeBool:
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return mpt::ufmt::val(as<bool>());
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break;
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case SettingTypeInt:
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return mpt::ufmt::val(as<int32>());
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break;
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case SettingTypeFloat:
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return mpt::ufmt::val(as<double>());
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break;
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case SettingTypeString:
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return as<mpt::ustring>();
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break;
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case SettingTypeBinary:
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return mpt::encode_hex(mpt::as_span(as<std::vector<std::byte>>()));
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break;
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case SettingTypeNone:
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default:
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return mpt::ustring();
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break;
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}
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}
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void SettingValue::SetFromString(const AnyStringLocale &newVal)
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{
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switch(GetType())
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{
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case SettingTypeBool:
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value = ConvertStrTo<bool>(newVal);
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break;
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case SettingTypeInt:
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value = ConvertStrTo<int32>(newVal);
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break;
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case SettingTypeFloat:
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value = ConvertStrTo<double>(newVal);
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break;
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case SettingTypeString:
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value = newVal;
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break;
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case SettingTypeBinary:
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value = mpt::decode_hex(newVal);
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break;
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case SettingTypeNone:
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default:
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break;
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}
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}
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SettingValue SettingsContainer::BackendsReadSetting(const SettingPath &path, const SettingValue &def) const
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{
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return backend->ReadSetting(path, def);
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}
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void SettingsContainer::BackendsWriteSetting(const SettingPath &path, const SettingValue &val)
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{
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backend->WriteSetting(path, val);
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}
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void SettingsContainer::BackendsRemoveSetting(const SettingPath &path)
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{
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backend->RemoveSetting(path);
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}
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void SettingsContainer::BackendsRemoveSection(const mpt::ustring §ion)
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{
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backend->RemoveSection(section);
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}
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SettingValue SettingsContainer::ReadSetting(const SettingPath &path, const SettingValue &def) const
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{
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ASSERT(theApp.InGuiThread());
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ASSERT(!CMainFrame::GetMainFrame() || (CMainFrame::GetMainFrame() && !CMainFrame::GetMainFrame()->InNotifyHandler())); // This is a slow path, use CachedSetting for stuff that is accessed in notify handler.
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auto entry = map.find(path);
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if(entry == map.end())
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{
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entry = map.insert(map.begin(), std::make_pair(path, SettingState(def).assign(BackendsReadSetting(path, def), false)));
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}
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return entry->second;
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}
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bool SettingsContainer::IsDefaultSetting(const SettingPath &path) const
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{
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ASSERT(theApp.InGuiThread());
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ASSERT(!CMainFrame::GetMainFrame() || (CMainFrame::GetMainFrame() && !CMainFrame::GetMainFrame()->InNotifyHandler())); // This is a slow path, use CachedSetting for stuff that is accessed in notify handler.
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auto entry = map.find(path);
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if(entry == map.end())
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{
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return true;
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}
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return entry->second.IsDefault();
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}
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void SettingsContainer::WriteSetting(const SettingPath &path, const SettingValue &val, SettingFlushMode flushMode)
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{
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ASSERT(theApp.InGuiThread());
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ASSERT(!CMainFrame::GetMainFrame() || (CMainFrame::GetMainFrame() && !CMainFrame::GetMainFrame()->InNotifyHandler())); // This is a slow path, use CachedSetting for stuff that is accessed in notify handler.
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auto entry = map.find(path);
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if(entry == map.end())
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{
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map[path] = val;
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entry = map.find(path);
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} else
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{
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entry->second = val;
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}
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NotifyListeners(path);
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if(immediateFlush || flushMode == SettingWriteThrough)
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{
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BackendsWriteSetting(path, val);
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entry->second.Clean();
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}
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}
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void SettingsContainer::ForgetSetting(const SettingPath &path)
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{
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ASSERT(theApp.InGuiThread());
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ASSERT(!CMainFrame::GetMainFrame() || (CMainFrame::GetMainFrame() && !CMainFrame::GetMainFrame()->InNotifyHandler())); // This is a slow path, use CachedSetting for stuff that is accessed in notify handler.
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map.erase(path);
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}
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void SettingsContainer::ForgetAll()
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{
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ASSERT(theApp.InGuiThread());
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ASSERT(!CMainFrame::GetMainFrame() || (CMainFrame::GetMainFrame() && !CMainFrame::GetMainFrame()->InNotifyHandler())); // This is a slow path, use CachedSetting for stuff that is accessed in notify handler.
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map.clear();
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}
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void SettingsContainer::RemoveSetting(const SettingPath &path)
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{
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ASSERT(theApp.InGuiThread());
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ASSERT(!CMainFrame::GetMainFrame() || (CMainFrame::GetMainFrame() && !CMainFrame::GetMainFrame()->InNotifyHandler())); // This is a slow path, use CachedSetting for stuff that is accessed in notify handler.
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map.erase(path);
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BackendsRemoveSetting(path);
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}
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void SettingsContainer::RemoveSection(const mpt::ustring §ion)
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{
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ASSERT(theApp.InGuiThread());
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ASSERT(!CMainFrame::GetMainFrame() || (CMainFrame::GetMainFrame() && !CMainFrame::GetMainFrame()->InNotifyHandler())); // This is a slow path, use CachedSetting for stuff that is accessed in notify handler.
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std::vector<SettingPath> pathsToRemove;
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for(const auto &entry : map)
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{
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if(entry.first.GetSection() == section)
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{
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pathsToRemove.push_back(entry.first);
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}
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}
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for(const auto &path : pathsToRemove)
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{
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map.erase(path);
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}
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BackendsRemoveSection(section);
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}
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void SettingsContainer::NotifyListeners(const SettingPath &path)
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{
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const auto entry = mapListeners.find(path);
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if(entry != mapListeners.end())
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{
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for(auto &it : entry->second)
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{
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it->SettingChanged(path);
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}
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}
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}
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void SettingsContainer::WriteSettings()
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{
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ASSERT(theApp.InGuiThread());
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ASSERT(!CMainFrame::GetMainFrame() || (CMainFrame::GetMainFrame() && !CMainFrame::GetMainFrame()->InNotifyHandler())); // This is a slow path, use CachedSetting for stuff that is accessed in notify handler.
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for(auto &[path, value] : map)
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{
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if(value.IsDirty())
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{
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BackendsWriteSetting(path, value);
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value.Clean();
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}
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}
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}
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void SettingsContainer::Flush()
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{
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ASSERT(theApp.InGuiThread());
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ASSERT(!CMainFrame::GetMainFrame() || (CMainFrame::GetMainFrame() && !CMainFrame::GetMainFrame()->InNotifyHandler())); // This is a slow path, use CachedSetting for stuff that is accessed in notify handler.
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WriteSettings();
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}
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void SettingsContainer::SetImmediateFlush(bool newImmediateFlush)
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{
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if(newImmediateFlush)
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{
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Flush();
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}
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immediateFlush = newImmediateFlush;
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}
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void SettingsContainer::Register(ISettingChanged *listener, const SettingPath &path)
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{
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mapListeners[path].insert(listener);
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}
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void SettingsContainer::UnRegister(ISettingChanged *listener, const SettingPath &path)
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{
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mapListeners[path].erase(listener);
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}
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SettingsContainer::~SettingsContainer()
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{
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WriteSettings();
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}
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SettingsContainer::SettingsContainer(ISettingsBackend *backend)
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: backend(backend)
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{
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MPT_ASSERT(backend);
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}
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std::vector<std::byte> IniFileSettingsBackend::ReadSettingRaw(const SettingPath &path, const std::vector<std::byte> &def) const
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{
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std::vector<std::byte> result = def;
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if(!mpt::in_range<UINT>(result.size()))
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{
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return result;
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}
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::GetPrivateProfileStruct(GetSection(path).c_str(), GetKey(path).c_str(), result.data(), static_cast<UINT>(result.size()), filename.AsNative().c_str());
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return result;
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}
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mpt::ustring IniFileSettingsBackend::ReadSettingRaw(const SettingPath &path, const mpt::ustring &def) const
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{
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std::vector<TCHAR> buf(128);
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while(::GetPrivateProfileString(GetSection(path).c_str(), GetKey(path).c_str(), mpt::ToWin(def).c_str(), buf.data(), static_cast<DWORD>(buf.size()), filename.AsNative().c_str()) == buf.size() - 1)
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{
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if(buf.size() == std::numeric_limits<DWORD>::max())
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{
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return def;
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}
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buf.resize(mpt::exponential_grow(buf.size(), std::numeric_limits<DWORD>::max()));
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}
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return mpt::ToUnicode(mpt::winstring(buf.data()));
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}
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double IniFileSettingsBackend::ReadSettingRaw(const SettingPath &path, double def) const
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{
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std::vector<TCHAR> buf(128);
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while(::GetPrivateProfileString(GetSection(path).c_str(), GetKey(path).c_str(), mpt::tfmt::val(def).c_str(), buf.data(), static_cast<DWORD>(buf.size()), filename.AsNative().c_str()) == buf.size() - 1)
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{
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if(buf.size() == std::numeric_limits<DWORD>::max())
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{
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return def;
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}
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buf.resize(mpt::exponential_grow(buf.size(), std::numeric_limits<DWORD>::max()));
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}
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return ConvertStrTo<double>(mpt::winstring(buf.data()));
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}
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int32 IniFileSettingsBackend::ReadSettingRaw(const SettingPath &path, int32 def) const
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{
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return (int32)::GetPrivateProfileInt(GetSection(path).c_str(), GetKey(path).c_str(), (UINT)def, filename.AsNative().c_str());
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}
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bool IniFileSettingsBackend::ReadSettingRaw(const SettingPath &path, bool def) const
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{
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return ::GetPrivateProfileInt(GetSection(path).c_str(), GetKey(path).c_str(), def?1:0, filename.AsNative().c_str()) ? true : false;
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}
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void IniFileSettingsBackend::WriteSettingRaw(const SettingPath &path, const std::vector<std::byte> &val)
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{
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MPT_ASSERT(mpt::in_range<UINT>(val.size()));
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::WritePrivateProfileStruct(GetSection(path).c_str(), GetKey(path).c_str(), (LPVOID)val.data(), static_cast<UINT>(val.size()), filename.AsNative().c_str());
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}
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void IniFileSettingsBackend::WriteSettingRaw(const SettingPath &path, const mpt::ustring &val)
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{
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::WritePrivateProfileString(GetSection(path).c_str(), GetKey(path).c_str(), mpt::ToWin(val).c_str(), filename.AsNative().c_str());
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if(mpt::ToUnicode(mpt::Charset::Locale, mpt::ToCharset(mpt::Charset::Locale, val)) != val) // explicit round-trip
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{
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// Value is not representable in ANSI CP.
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// Now check if the string got stored correctly.
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if(ReadSettingRaw(path, mpt::ustring()) != val)
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{
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// The ini file is probably ANSI encoded.
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ConvertToUnicode();
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// Re-write non-ansi-representable value.
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::WritePrivateProfileString(GetSection(path).c_str(), GetKey(path).c_str(), mpt::ToWin(val).c_str(), filename.AsNative().c_str());
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}
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}
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}
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void IniFileSettingsBackend::WriteSettingRaw(const SettingPath &path, double val)
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{
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::WritePrivateProfileString(GetSection(path).c_str(), GetKey(path).c_str(), mpt::tfmt::val(val).c_str(), filename.AsNative().c_str());
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}
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void IniFileSettingsBackend::WriteSettingRaw(const SettingPath &path, int32 val)
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{
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::WritePrivateProfileString(GetSection(path).c_str(), GetKey(path).c_str(), mpt::tfmt::val(val).c_str(), filename.AsNative().c_str());
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}
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void IniFileSettingsBackend::WriteSettingRaw(const SettingPath &path, bool val)
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{
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::WritePrivateProfileString(GetSection(path).c_str(), GetKey(path).c_str(), mpt::tfmt::val(val).c_str(), filename.AsNative().c_str());
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}
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void IniFileSettingsBackend::RemoveSettingRaw(const SettingPath &path)
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{
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::WritePrivateProfileString(GetSection(path).c_str(), GetKey(path).c_str(), NULL, filename.AsNative().c_str());
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}
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void IniFileSettingsBackend::RemoveSectionRaw(const mpt::ustring §ion)
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{
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::WritePrivateProfileSection(mpt::ToWin(section).c_str(), _T("\0"), filename.AsNative().c_str());
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}
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mpt::winstring IniFileSettingsBackend::GetSection(const SettingPath &path)
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{
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return mpt::ToWin(path.GetSection());
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}
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mpt::winstring IniFileSettingsBackend::GetKey(const SettingPath &path)
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{
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return mpt::ToWin(path.GetKey());
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}
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IniFileSettingsBackend::IniFileSettingsBackend(const mpt::PathString &filename)
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: filename(filename)
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{
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return;
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}
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IniFileSettingsBackend::~IniFileSettingsBackend()
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{
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return;
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}
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static std::vector<char> ReadFile(const mpt::PathString &filename)
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{
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mpt::ifstream s(filename, std::ios::binary);
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std::vector<char> result;
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while(s)
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{
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char buf[4096];
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s.read(buf, 4096);
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std::streamsize count = s.gcount();
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result.insert(result.end(), buf, buf + count);
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}
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return result;
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}
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static void WriteFileUTF16LE(const mpt::PathString &filename, const std::wstring &str)
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{
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static_assert(sizeof(wchar_t) == 2);
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mpt::SafeOutputFile sinifile(filename, std::ios::binary, mpt::FlushMode::Full);
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mpt::ofstream& inifile = sinifile;
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const uint8 UTF16LE_BOM[] = { 0xff, 0xfe };
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inifile.write(reinterpret_cast<const char*>(UTF16LE_BOM), 2);
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inifile.write(reinterpret_cast<const char*>(str.c_str()), str.length() * sizeof(std::wstring::value_type));
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}
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void IniFileSettingsBackend::ConvertToUnicode(const mpt::ustring &backupTag)
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{
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// Force ini file to be encoded in UTF16.
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// This causes WINAPI ini file functions to keep it in UTF16 encoding
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// and thus support storing unicode strings uncorrupted.
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// This is backwards compatible because even ANSI WINAPI behaves the
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// same way in this case.
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const std::vector<char> data = ReadFile(filename);
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if(!data.empty() && IsTextUnicode(data.data(), mpt::saturate_cast<int>(data.size()), NULL))
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{
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return;
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}
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const mpt::PathString backupFilename = filename + mpt::PathString::FromUnicode(backupTag.empty() ? U_(".ansi.bak") : U_(".ansi.") + backupTag + U_(".bak"));
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CopyFile(filename.AsNative().c_str(), backupFilename.AsNative().c_str(), FALSE);
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WriteFileUTF16LE(filename, mpt::ToWide(mpt::Charset::Locale, mpt::buffer_cast<std::string>(data)));
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}
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SettingValue IniFileSettingsBackend::ReadSetting(const SettingPath &path, const SettingValue &def) const
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{
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switch(def.GetType())
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{
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case SettingTypeBool: return SettingValue(ReadSettingRaw(path, def.as<bool>()), def.GetTypeTag()); break;
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case SettingTypeInt: return SettingValue(ReadSettingRaw(path, def.as<int32>()), def.GetTypeTag()); break;
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case SettingTypeFloat: return SettingValue(ReadSettingRaw(path, def.as<double>()), def.GetTypeTag()); break;
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case SettingTypeString: return SettingValue(ReadSettingRaw(path, def.as<mpt::ustring>()), def.GetTypeTag()); break;
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case SettingTypeBinary: return SettingValue(ReadSettingRaw(path, def.as<std::vector<std::byte> >()), def.GetTypeTag()); break;
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default: return SettingValue(); break;
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}
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}
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void IniFileSettingsBackend::WriteSetting(const SettingPath &path, const SettingValue &val)
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{
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ASSERT(val.GetType() != SettingTypeNone);
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switch(val.GetType())
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{
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case SettingTypeBool: WriteSettingRaw(path, val.as<bool>()); break;
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case SettingTypeInt: WriteSettingRaw(path, val.as<int32>()); break;
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case SettingTypeFloat: WriteSettingRaw(path, val.as<double>()); break;
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case SettingTypeString: WriteSettingRaw(path, val.as<mpt::ustring>()); break;
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case SettingTypeBinary: WriteSettingRaw(path, val.as<std::vector<std::byte> >()); break;
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default: break;
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}
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}
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void IniFileSettingsBackend::RemoveSetting(const SettingPath &path)
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{
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RemoveSettingRaw(path);
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}
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void IniFileSettingsBackend::RemoveSection(const mpt::ustring §ion)
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{
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RemoveSectionRaw(section);
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}
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IniFileSettingsContainer::IniFileSettingsContainer(const mpt::PathString &filename)
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: IniFileSettingsBackend(filename)
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, SettingsContainer(this)
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{
|
|
return;
|
|
}
|
|
|
|
IniFileSettingsContainer::~IniFileSettingsContainer()
|
|
{
|
|
return;
|
|
}
|
|
|
|
|
|
|
|
DefaultSettingsContainer::DefaultSettingsContainer()
|
|
: IniFileSettingsContainer(theApp.GetConfigFileName())
|
|
{
|
|
return;
|
|
}
|
|
|
|
DefaultSettingsContainer::~DefaultSettingsContainer()
|
|
{
|
|
return;
|
|
}
|
|
|
|
|
|
OPENMPT_NAMESPACE_END
|