Function CollectSearchPaths

source/core/searchpaths.cpp:212–269

//==========================================================================

TArray<FString> CollectSearchPaths()
{
	TArray<FString> searchpaths;

	if (GameConfig->SetSection("GameSearch.Directories"))
	{
		const char *key;
		const char *value;

		while (GameConfig->NextInSection(key, value))
		{
			if (stricmp(key, "Path") == 0)
			{
				// Checking Steam via a list entry allows easy removal if not wanted.
				if (stricmp(value, "$STEAM") == 0)
				{
					G_AddExternalSearchPaths(searchpaths);
					continue;
				}

				FString nice = NicePath(value);
				if (nice.Len() > 0)
				{
#ifdef _WIN32
					if (isalpha((uint8_t)nice[0] && nice[1] == ':' && nice[2] != '/')) continue;	// ignore drive relative paths because they are meaningless.
#endif
					// A path ending with "/*" means to add all subdirectories.
					if (nice[nice.Len()-2] == '/' && nice[nice.Len()-1] == '*')
					{
						CollectSubdirectories(searchpaths, nice.GetChars());
					}
					else
					{
						AddSearchPath(searchpaths, nice.GetChars());
					}
				}
			}
		}
	}
	// Unify and remove trailing slashes
	for (auto &str : searchpaths)
	{
		str.Substitute("\\", "/");
#ifdef _WIN32
		bool isUNCpath = false;
		auto chars = str.GetChars();
		if (chars[0] == '/' && chars[1] == '/')
			isUNCpath = true;
#endif
		str.Substitute("//", "/");	// Double slashes can happen when constructing paths so just get rid of them here.
		if (str.Back() == '/') str.Truncate(str.Len() - 1);
#ifdef _WIN32
		if (isUNCpath)
			str = (FString)"/" + str;
#endif
	}
	return searchpaths;
}