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yuzu-mainline
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Merge pull request #2536 from lioncash/cache 

game_list_worker: Use QFile over our own IOFile instance or std streams for the game list cache
This commit is contained in:
Zach Hilman 2019-06-05 15:03:59 -04:00 committed by GitHub
parent 2ba4aa8a3b d0d97de1e4
commit 4f7a1f6c8c
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 26 additions and 36 deletions
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62
src/yuzu/game_list_worker.cpp
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@ -8,6 +8,7 @@
#include <vector>
#include <QDir>
#include <QFile>
#include <QFileInfo>
#include <QSettings>
@ -32,11 +33,6 @@
namespace {
template <typename T>
T GetGameListCachedObject(const std::string& filename, const std::string& ext,
const std::function<T()>& generator);
template <>
QString GetGameListCachedObject(const std::string& filename, const std::string& ext,
const std::function<QString()>& generator) {
if (!UISettings::values.cache_game_list || filename == "0000000000000000") {
@ -51,26 +47,22 @@ QString GetGameListCachedObject(const std::string& filename, const std::string&
if (!FileUtil::Exists(path)) {
const auto str = generator();
std::ofstream stream(path);
if (stream) {
stream << str.toStdString();
QFile file{QString::fromStdString(path)};
if (file.open(QFile::WriteOnly)) {
file.write(str.toUtf8());
}
return str;
}
std::ifstream stream(path);
if (stream) {
const std::string out(std::istreambuf_iterator<char>{stream},
std::istreambuf_iterator<char>{});
return QString::fromStdString(out);
QFile file{QString::fromStdString(path)};
if (file.open(QFile::ReadOnly)) {
return QString::fromUtf8(file.readAll());
}
return generator();
}
template <>
std::pair<std::vector<u8>, std::string> GetGameListCachedObject(
const std::string& filename, const std::string& ext,
const std::function<std::pair<std::vector<u8>, std::string>()>& generator) {
@ -88,58 +80,56 @@ std::pair<std::vector<u8>, std::string> GetGameListCachedObject(
if (!FileUtil::Exists(path1) || !FileUtil::Exists(path2)) {
const auto [icon, nacp] = generator();
FileUtil::IOFile file1(path1, "wb");
if (!file1.IsOpen()) {
QFile file1{QString::fromStdString(path1)};
if (!file1.open(QFile::WriteOnly)) {
LOG_ERROR(Frontend, "Failed to open cache file.");
return generator();
}
if (!file1.Resize(icon.size())) {
if (!file1.resize(icon.size())) {
LOG_ERROR(Frontend, "Failed to resize cache file to necessary size.");
return generator();
}
if (file1.WriteBytes(icon.data(), icon.size()) != icon.size()) {
if (file1.write(reinterpret_cast<const char*>(icon.data()), icon.size()) != icon.size()) {
LOG_ERROR(Frontend, "Failed to write data to cache file.");
return generator();
}
std::ofstream stream2(path2, std::ios::out);
if (stream2) {
stream2 << nacp;
QFile file2{QString::fromStdString(path2)};
if (file2.open(QFile::WriteOnly)) {
file2.write(nacp.data(), nacp.size());
}
return std::make_pair(icon, nacp);
}
FileUtil::IOFile file1(path1, "rb");
std::ifstream stream2(path2);
QFile file1(QString::fromStdString(path1));
QFile file2(QString::fromStdString(path2));
if (!file1.IsOpen()) {
if (!file1.open(QFile::ReadOnly)) {
LOG_ERROR(Frontend, "Failed to open cache file for reading.");
return generator();
}
if (!stream2) {
if (!file2.open(QFile::ReadOnly)) {
LOG_ERROR(Frontend, "Failed to open cache file for reading.");
return generator();
}
std::vector<u8> vec(file1.GetSize());
file1.ReadBytes(vec.data(), vec.size());
if (stream2 && !vec.empty()) {
const std::string out(std::istreambuf_iterator<char>{stream2},
std::istreambuf_iterator<char>{});
return std::make_pair(vec, out);
std::vector<u8> vec(file1.size());
if (file1.read(reinterpret_cast<char*>(vec.data()), vec.size()) !=
static_cast<s64>(vec.size())) {
return generator();
}
return generator();
const auto data = file2.readAll();
return std::make_pair(vec, data.toStdString());
}
void GetMetadataFromControlNCA(const FileSys::PatchManager& patch_manager, const FileSys::NCA& nca,
std::vector<u8>& icon, std::string& name) {
std::tie(icon, name) = GetGameListCachedObject<std::pair<std::vector<u8>, std::string>>(
std::tie(icon, name) = GetGameListCachedObject(
fmt::format("{:016X}", patch_manager.GetTitleID()), {}, [&patch_manager, &nca] {
const auto [nacp, icon_f] = patch_manager.ParseControlNCA(nca);
return std::make_pair(icon_f->ReadAllBytes(), nacp->GetApplicationName());
@ -221,7 +211,7 @@ QList<QStandardItem*> MakeGameListEntry(const std::string& path, const std::stri
};
if (UISettings::values.show_add_ons) {
const auto patch_versions = GetGameListCachedObject<QString>(
const auto patch_versions = GetGameListCachedObject(
fmt::format("{:016X}", patch.GetTitleID()), "pv.txt", [&patch, &loader] {
return FormatPatchNameVersions(patch, loader, loader.IsRomFSUpdatable());
});