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Use std::optional for ESFormats/SharedContentMap

This commit is contained in:
Léo Lam 2017-05-26 19:18:24 +02:00
parent b08653d69d
commit 545006f666
5 changed files with 15 additions and 13 deletions
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13
Source/Core/Core/IOS/ES/Formats.cpp
View File

@ -419,12 +419,13 @@ SharedContentMap::SharedContentMap(Common::FromWhichRoot root) : m_root(root)
SharedContentMap::~SharedContentMap() = default;
std::string SharedContentMap::GetFilenameFromSHA1(const std::array<u8, 20>& sha1) const
std::optional<std::string>
SharedContentMap::GetFilenameFromSHA1(const std::array<u8, 20>& sha1) const
{
const auto it = std::find_if(m_entries.begin(), m_entries.end(),
[&sha1](const auto& entry) { return entry.sha1 == sha1; });
if (it == m_entries.end())
return "unk";
return {};
const std::string id_string(it->id.begin(), it->id.end());
return Common::RootUserPath(m_root) + StringFromFormat("/shared1/%s.app", id_string.c_str());
@ -442,9 +443,9 @@ std::vector<std::array<u8, 20>> SharedContentMap::GetHashes() const
std::string SharedContentMap::AddSharedContent(const std::array<u8, 20>& sha1)
{
std::string filename = GetFilenameFromSHA1(sha1);
if (filename != "unk")
return filename;
auto filename = GetFilenameFromSHA1(sha1);
if (filename)
return *filename;
const std::string id = StringFromFormat("%08x", m_last_id);
Entry entry;
@ -455,7 +456,7 @@ std::string SharedContentMap::AddSharedContent(const std::array<u8, 20>& sha1)
WriteEntries();
filename = Common::RootUserPath(m_root) + StringFromFormat("/shared1/%s.app", id.c_str());
m_last_id++;
return filename;
return *filename;
}
bool SharedContentMap::DeleteSharedContent(const std::array<u8, 20>& sha1)

3
Source/Core/Core/IOS/ES/Formats.h
View File

@ -10,6 +10,7 @@
#include <array>
#include <cstddef>
#include <map>
#include <optional>
#include <string>
#include <vector>
@ -217,7 +218,7 @@ public:
explicit SharedContentMap(Common::FromWhichRoot root);
~SharedContentMap();
std::string GetFilenameFromSHA1(const std::array<u8, 20>& sha1) const;
std::optional<std::string> GetFilenameFromSHA1(const std::array<u8, 20>& sha1) const;
std::string AddSharedContent(const std::array<u8, 20>& sha1);
bool DeleteSharedContent(const std::array<u8, 20>& sha1);
std::vector<std::array<u8, 20>> GetHashes() const;

4
Source/Core/Core/IOS/ES/NandUtils.cpp
View File

@ -152,8 +152,8 @@ std::vector<Content> GetStoredContentsFromTMD(const TMDReader& tmd)
[&tmd, &shared](const auto& content) {
if (content.IsShared())
{
const std::string path = shared.GetFilenameFromSHA1(content.sha1);
return path != "unk" && File::Exists(path);
const auto path = shared.GetFilenameFromSHA1(content.sha1);
return path && File::Exists(*path);
}
return File::Exists(
Common::GetTitleContentPath(tmd.GetTitleId(), Common::FROM_SESSION_ROOT) +

6
Source/Core/Core/IOS/ES/TitleManagement.cpp
View File

@ -665,8 +665,8 @@ IPCCommandResult ES::ExportTitleDone(Context& context, const IOCtlVRequest& requ
ReturnCode ES::DeleteSharedContent(const std::array<u8, 20>& sha1) const
{
IOS::ES::SharedContentMap map{Common::FromWhichRoot::FROM_SESSION_ROOT};
const std::string content_path = map.GetFilenameFromSHA1(sha1);
if (content_path == "unk")
const auto content_path = map.GetFilenameFromSHA1(sha1);
if (!content_path)
return ES_EINVAL;
// Check whether the shared content is used by a system title.
@ -689,7 +689,7 @@ ReturnCode ES::DeleteSharedContent(const std::array<u8, 20>& sha1) const
return ES_EINVAL;
// Delete the shared content and update the content map.
if (!File::Delete(content_path))
if (!File::Delete(*content_path))
return FS_ENOENT;
if (!map.DeleteSharedContent(sha1))

2
Source/Core/DiscIO/NANDContentLoader.cpp
View File

@ -208,7 +208,7 @@ void CNANDContentLoader::InitializeContentEntries(const std::vector<u8>& data_ap
{
std::string filename;
if (content.IsShared())
filename = shared_content.GetFilenameFromSHA1(content.sha1);
filename = *shared_content.GetFilenameFromSHA1(content.sha1);
else
filename = StringFromFormat("%s/%08x.app", m_Path.c_str(), content.id);