input_profiles: Implement input profiles

src/yuzu/configuration/input_profiles.cpp

@@ -0,0 +1,131 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <fmt/format.h>
+
+#include "common/common_paths.h"
+#include "common/file_util.h"
+#include "yuzu/configuration/config.h"
+#include "yuzu/configuration/input_profiles.h"
+
+namespace FS = Common::FS;
+
+namespace {
+
+bool ProfileExistsInFilesystem(std::string_view profile_name) {
+    return FS::Exists(fmt::format("{}input" DIR_SEP "{}.ini",
+                                  FS::GetUserPath(FS::UserPath::ConfigDir), profile_name));
+}
+
+bool IsINI(std::string_view filename) {
+    const std::size_t index = filename.rfind('.');
+
+    if (index == std::string::npos) {
+        return false;
+    }
+
+    return filename.substr(index) == ".ini";
+}
+
+std::string GetNameWithoutExtension(const std::string& filename) {
+    const std::size_t index = filename.rfind('.');
+
+    if (index == std::string::npos) {
+        return filename;
+    }
+
+    return filename.substr(0, index);
+}
+
+} // namespace
+
+InputProfiles::InputProfiles() {
+    const std::string input_profile_loc =
+        fmt::format("{}input", FS::GetUserPath(FS::UserPath::ConfigDir));
+
+    FS::ForeachDirectoryEntry(
+        nullptr, input_profile_loc,
+        [this](u64* entries_out, const std::string& directory, const std::string& filename) {
+            if (IsINI(filename) && IsProfileNameValid(GetNameWithoutExtension(filename))) {
+                map_profiles.insert_or_assign(
+                    GetNameWithoutExtension(filename),
+                    std::make_unique<Config>(GetNameWithoutExtension(filename),
+                                             Config::ConfigType::InputProfile));
+            }
+            return true;
+        });
+}
+
+InputProfiles::~InputProfiles() = default;
+
+std::vector<std::string> InputProfiles::GetInputProfileNames() {
+    std::vector<std::string> profile_names;
+    profile_names.reserve(map_profiles.size());
+
+    for (const auto& [profile_name, config] : map_profiles) {
+        if (!ProfileExistsInFilesystem(profile_name)) {
+            DeleteProfile(profile_name);
+            continue;
+        }
+
+        profile_names.push_back(profile_name);
+    }
+
+    return profile_names;
+}
+
+bool InputProfiles::IsProfileNameValid(std::string_view profile_name) {
+    return profile_name.find_first_of("<>:;\"/\\|,.!?*") == std::string::npos;
+}
+
+bool InputProfiles::CreateProfile(const std::string& profile_name, std::size_t player_index) {
+    if (ProfileExistsInMap(profile_name)) {
+        return false;
+    }
+
+    map_profiles.insert_or_assign(
+        profile_name, std::make_unique<Config>(profile_name, Config::ConfigType::InputProfile));
+
+    return SaveProfile(profile_name, player_index);
+}
+
+bool InputProfiles::DeleteProfile(const std::string& profile_name) {
+    if (!ProfileExistsInMap(profile_name)) {
+        return false;
+    }
+
+    if (!ProfileExistsInFilesystem(profile_name) ||
+        FS::Delete(map_profiles[profile_name]->GetConfigFilePath())) {
+        map_profiles.erase(profile_name);
+    }
+
+    return !ProfileExistsInMap(profile_name) && !ProfileExistsInFilesystem(profile_name);
+}
+
+bool InputProfiles::LoadProfile(const std::string& profile_name, std::size_t player_index) {
+    if (!ProfileExistsInMap(profile_name)) {
+        return false;
+    }
+
+    if (!ProfileExistsInFilesystem(profile_name)) {
+        map_profiles.erase(profile_name);
+        return false;
+    }
+
+    map_profiles[profile_name]->ReadControlPlayerValue(player_index);
+    return true;
+}
+
+bool InputProfiles::SaveProfile(const std::string& profile_name, std::size_t player_index) {
+    if (!ProfileExistsInMap(profile_name)) {
+        return false;
+    }
+
+    map_profiles[profile_name]->SaveControlPlayerValue(player_index);
+    return true;
+}
+
+bool InputProfiles::ProfileExistsInMap(const std::string& profile_name) const {
+    return map_profiles.find(profile_name) != map_profiles.end();
+}