SDL: Move SDLSettingsInterface (ini) to frontend-common

src/frontend-common/ini_settings_interface.cpp

@@ -0,0 +1,121 @@
+#include "ini_settings_interface.h"
+#include "common/log.h"
+#include <algorithm>
+Log_SetChannel(INISettingsInterface);
+
+INISettingsInterface::INISettingsInterface(const char* filename) : m_filename(filename), m_ini(true, true)
+{
+  SI_Error err = m_ini.LoadFile(filename);
+  if (err != SI_OK)
+    Log_WarningPrintf("Settings could not be loaded from '%s', defaults will be used.", filename);
+}
+
+INISettingsInterface::~INISettingsInterface()
+{
+  if (m_dirty)
+  {
+    SI_Error err = m_ini.SaveFile(m_filename.c_str(), false);
+    if (err != SI_OK)
+      Log_WarningPrintf("Failed to save settings to '%s'.", m_filename.c_str());
+  }
+}
+
+void INISettingsInterface::Clear()
+{
+  m_ini.Reset();
+}
+
+int INISettingsInterface::GetIntValue(const char* section, const char* key, int default_value /*= 0*/)
+{
+  return static_cast<int>(m_ini.GetLongValue(section, key, default_value));
+}
+
+float INISettingsInterface::GetFloatValue(const char* section, const char* key, float default_value /*= 0.0f*/)
+{
+  return static_cast<float>(m_ini.GetDoubleValue(section, key, default_value));
+}
+
+bool INISettingsInterface::GetBoolValue(const char* section, const char* key, bool default_value /*= false*/)
+{
+  return m_ini.GetBoolValue(section, key, default_value);
+}
+
+std::string INISettingsInterface::GetStringValue(const char* section, const char* key,
+                                                 const char* default_value /*= ""*/)
+{
+  return m_ini.GetValue(section, key, default_value);
+}
+
+void INISettingsInterface::SetIntValue(const char* section, const char* key, int value)
+{
+  m_dirty = true;
+  m_ini.SetLongValue(section, key, static_cast<long>(value), nullptr, false, true);
+}
+
+void INISettingsInterface::SetFloatValue(const char* section, const char* key, float value)
+{
+  m_dirty = true;
+  m_ini.SetDoubleValue(section, key, static_cast<double>(value), 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);
+}
+
+void INISettingsInterface::DeleteValue(const char* section, const char* key)
+{
+  m_dirty = true;
+  m_ini.Delete(section, key);
+}
+
+std::vector<std::string> INISettingsInterface::GetStringList(const char* section, const char* key)
+{
+  std::list<CSimpleIniA::Entry> entries;
+  if (!m_ini.GetAllValues(section, key, entries))
+    return {};
+
+  std::vector<std::string> ret;
+  ret.reserve(entries.size());
+  std::transform(entries.begin(), entries.end(), std::back_inserter(ret),
+                 [](const CSimpleIniA::Entry& it) { return std::string(it.pItem); });
+  return ret;
+}
+
+void INISettingsInterface::SetStringList(const char* section, const char* key,
+                                         const std::vector<std::string_view>& items)
+{
+  m_dirty = true;
+  m_ini.Delete(section, key);
+
+  for (const std::string_view& sv : items)
+    m_ini.SetValue(section, key, std::string(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;
+}