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Optimize string handling in path search (#8098)

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Use "append" method to construct the various game paths
instead of wasteful string concatenation. Additionally, use a
temporary to extract and reuse a result of a few common
subexpressions to further reduce the overhead.
This commit is contained in:
Jozef Behran
2019-03-07 02:20:33 -05:00
committed by Loïc Blot
parent 007c8440d7
commit bb35d06225
1 changed files with 12 additions and 8 deletions
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20
src/content/subgames.cpp
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@@ -67,15 +67,19 @@ SubgameSpec findSubgame(const std::string &id)
std::vector<GameFindPath> find_paths;
while (!search_paths.at_end()) {
std::string path = search_paths.next(PATH_DELIM);
find_paths.emplace_back(path + DIR_DELIM + id, false);
find_paths.emplace_back(path + DIR_DELIM + id + "_game", false);
path.append(DIR_DELIM).append(id);
find_paths.emplace_back(path, false);
path.append("_game");
find_paths.emplace_back(path, false);
}
find_paths.emplace_back(
user + DIR_DELIM + "games" + DIR_DELIM + id + "_game", true);
find_paths.emplace_back(user + DIR_DELIM + "games" + DIR_DELIM + id, true);
find_paths.emplace_back(
share + DIR_DELIM + "games" + DIR_DELIM + id + "_game", false);
find_paths.emplace_back(share + DIR_DELIM + "games" + DIR_DELIM + id, false);
std::string game_base = DIR_DELIM;
game_base = game_base.append("games").append(DIR_DELIM).append(id);
std::string game_suffixed = game_base + "_game";
find_paths.emplace_back(user + game_suffixed, true);
find_paths.emplace_back(user + game_base, true);
find_paths.emplace_back(share + game_suffixed, false);
find_paths.emplace_back(share + game_base, false);
// Find game directory
std::string game_path;