Method Open

libraries/lib-sqlite-helpers/sqlite/Connection.cpp:20–72

namespace audacity::sqlite
{
Result<Connection>
Connection::Open(std::string_view path, OpenMode mode, ThreadMode threadMode)
{
   auto error = Initialize();

   if (error.IsError())
      return error;

   int flags = 0;

   switch (mode)
   {
   case OpenMode::ReadWrite:
      flags = SQLITE_OPEN_READWRITE;
      break;
   case OpenMode::ReadOnly:
      flags = SQLITE_OPEN_READONLY;
      break;
   case OpenMode::ReadWriteCreate:
      flags = SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE;
      break;
   case OpenMode::Memory:
      flags = SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE | SQLITE_OPEN_MEMORY;
      break;
   }

   switch (threadMode)
   {
   case ThreadMode::MultiThread:
      flags |= SQLITE_OPEN_NOMUTEX;
      break;
   case ThreadMode::Serialized:
      flags |= SQLITE_OPEN_FULLMUTEX;
      break;
   }

   sqlite3* connection = nullptr;

   // If the path is not null-terminated, copy it to a temporary string.
   std::string temp;
   if (*(path.data() + path.size()) != '\0')
   {
      temp = std::string(path);
      path = temp;
   }

   error = Error(sqlite3_open_v2(path.data(), &connection, flags, nullptr));

   if (error.IsError())
      return error;

   return Connection(connection, true);
}

Result<Connection> Connection::Wrap(sqlite3* connection)
{