audacia/src/commands/CommandDirectory.cpp

/**********************************************************************

   Audacity - A Digital Audio Editor
   Copyright 1999-2009 Audacity Team
   License: wxWidgets

   Dan Horgan

******************************************************************//**

\file CommandDirectory.cpp
\brief A dictionary of supported scripting commands, including 
functions to look up a command by name.

*//*******************************************************************/


#include "CommandDirectory.h"

std::unique_ptr<CommandDirectory> CommandDirectory::mInstance;

CommandDirectory::CommandDirectory()
{
   // Create the command map.
   // First we have commands which return information
   //AddCommand(std::make_unique<MessageCommandType>());

//   AddCommand(std::make_unique<BatchEvalCommandType>());


   // Legacy adapter commands that previously was needed to 
   // access menu items.
   //AddCommand(std::make_unique<ExecMenuCommandType>());

   // Not needed.  Sets selected/solo/mute on multiple tracks.
   //AddCommand(std::make_unique<SetProjectInfoCommandType>());

//   Moved to AudacityCommand
//   AddCommand(std::make_unique<OpenProjectCommandType>());
//   AddCommand(std::make_unique<SaveProjectCommandType>());
//   AddCommand(std::make_unique<ImportCommandType>());
//   AddCommand(std::make_unique<ExportCommandType>());
//   AddCommand(std::make_unique<HelpCommandType>());
//   AddCommand(std::make_unique<GetInfoCommandType>("GetAll"));
//   AddCommand(std::make_unique<GetInfoCommandType>("GetCommands"));
//   AddCommand(std::make_unique<GetInfoCommandType>("GetMenus"));
//   AddCommand(std::make_unique<GetInfoCommandType>("GetMenusPlus"));
//   AddCommand(std::make_unique<GetInfoCommandType>("GetBoxes"));
//   AddCommand(std::make_unique<GetInfoCommandType>("GetClips"));

//   AddCommand(std::make_unique<GetTrackInfoCommandType>());
//   AddCommand(std::make_unique<GetProjectInfoCommandType>());
//   AddCommand(std::make_unique<CompareAudioCommandType>());
//   AddCommand(std::make_unique<GetPreferenceCommandType>());
//   AddCommand(std::make_unique<SetPreferenceCommandType>());
//   AddCommand(std::make_unique<ScreenshotCommandType>());
//   AddCommand(std::make_unique<SelectCommandType>());
//   AddCommand(std::make_unique<SetTrackInfoCommandType>());

}

CommandDirectory::~CommandDirectory()
{
}

OldStyleCommandType *CommandDirectory::LookUp(const wxString &cmdName) const
{
   auto iter = sCmdMap().find(cmdName);
   if (iter == sCmdMap().end())
   {
      return nullptr;
   }
   return iter->second.get();
}

CommandMap &CommandDirectory::sCmdMap()
{
   static CommandMap theMap;
   return theMap;
}

void CommandDirectory::AddCommand(std::unique_ptr<OldStyleCommandType> type)
{
   wxASSERT(type != NULL);
   // Internal string is shown but only in assertion message
   auto cmdName = type->GetSymbol().Internal();
   wxASSERT_MSG(sCmdMap().find(cmdName) == sCmdMap().end()
         , wxT("A command named ") + cmdName
         + wxT(" already exists."));

   sCmdMap()[cmdName] = std::move(type);
}

CommandDirectory *CommandDirectory::Get()
{
   if (!mInstance)
      mInstance.reset(safenew CommandDirectory());
   return mInstance.get();
}