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*nix systems can read any-case patch directories

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Changes many patch_manager functions to use a case-less variant of
GetSubdirectory. Fixes patches not showing up on *nix systems when
patch directories are named with odd cases, i.e. `exeFS'.
This commit is contained in:
lat9nq 2020-05-27 23:12:56 -04:00
parent ae61e47cba
commit 136c563f76
2 changed files with 32 additions and 8 deletions
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35
src/core/file_sys/patch_manager.cpp
View file

@ -6,6 +6,7 @@
#include <array>
#include <cstddef>
#include <cstring>
#include <boost/algorithm/string/case_conv.hpp>
#include "common/file_util.h"
#include "common/hex_util.h"
@ -48,6 +49,24 @@ std::string FormatTitleVersion(u32 version, TitleVersionFormat format) {
return fmt::format("v{}.{}.{}", bytes[3], bytes[2], bytes[1]);
}
std::shared_ptr<VfsDirectory> FindSubdirectoryCaseless(const std::shared_ptr<VfsDirectory> dir,
const std::string& name) {
#ifdef _WIN32
return dir->GetSubdirectory(name);
#else
const auto subdirs = dir->GetSubdirectories();
for (const auto& subdir : subdirs) {
std::string dir_name = subdir->GetName();
boost::algorithm::to_lower(dir_name);
if (dir_name == name) {
return subdir;
}
}
return nullptr;
#endif
}
PatchManager::PatchManager(u64 title_id) : title_id(title_id) {}
PatchManager::~PatchManager() = default;
@ -104,7 +123,7 @@ VirtualDir PatchManager::PatchExeFS(VirtualDir exefs) const {
if (std::find(disabled.begin(), disabled.end(), subdir->GetName()) != disabled.end())
continue;
auto exefs_dir = subdir->GetSubdirectory("exefs");
auto exefs_dir = FindSubdirectoryCaseless(subdir, "exefs");
if (exefs_dir != nullptr)
layers.push_back(std::move(exefs_dir));
}
@ -130,7 +149,7 @@ std::vector<VirtualFile> PatchManager::CollectPatches(const std::vector<VirtualD
if (std::find(disabled.cbegin(), disabled.cend(), subdir->GetName()) != disabled.cend())
continue;
auto exefs_dir = subdir->GetSubdirectory("exefs");
auto exefs_dir = FindSubdirectoryCaseless(subdir, "exefs");
if (exefs_dir != nullptr) {
for (const auto& file : exefs_dir->GetFiles()) {
if (file->GetExtension() == "ips") {
@ -295,7 +314,7 @@ std::vector<Core::Memory::CheatEntry> PatchManager::CreateCheatList(
continue;
}
auto cheats_dir = subdir->GetSubdirectory("cheats");
auto cheats_dir = FindSubdirectoryCaseless(subdir, "cheats");
if (cheats_dir != nullptr) {
auto res = ReadCheatFileFromFolder(system, title_id, build_id_, cheats_dir, true);
if (res.has_value()) {
@ -340,11 +359,11 @@ static void ApplyLayeredFS(VirtualFile& romfs, u64 title_id, ContentRecordType t
continue;
}
auto romfs_dir = subdir->GetSubdirectory("romfs");
auto romfs_dir = FindSubdirectoryCaseless(subdir, "romfs");
if (romfs_dir != nullptr)
layers.push_back(std::move(romfs_dir));
auto ext_dir = subdir->GetSubdirectory("romfs_ext");
auto ext_dir = FindSubdirectoryCaseless(subdir, "romfs_ext");
if (ext_dir != nullptr)
layers_ext.push_back(std::move(ext_dir));
}
@ -470,7 +489,7 @@ std::map<std::string, std::string, std::less<>> PatchManager::GetPatchVersionNam
for (const auto& mod : mod_dir->GetSubdirectories()) {
std::string types;
const auto exefs_dir = mod->GetSubdirectory("exefs");
const auto exefs_dir = FindSubdirectoryCaseless(mod, "exefs");
if (IsDirValidAndNonEmpty(exefs_dir)) {
bool ips = false;
bool ipswitch = false;
@ -494,9 +513,9 @@ std::map<std::string, std::string, std::less<>> PatchManager::GetPatchVersionNam
if (layeredfs)
AppendCommaIfNotEmpty(types, "LayeredExeFS");
}
if (IsDirValidAndNonEmpty(mod->GetSubdirectory("romfs")))
if (IsDirValidAndNonEmpty(FindSubdirectoryCaseless(mod, "romfs")))
AppendCommaIfNotEmpty(types, "LayeredFS");
if (IsDirValidAndNonEmpty(mod->GetSubdirectory("cheats")))
if (IsDirValidAndNonEmpty(FindSubdirectoryCaseless(mod, "cheats")))
AppendCommaIfNotEmpty(types, "Cheats");
if (types.empty())

5
src/core/file_sys/patch_manager.h
View file

@ -29,6 +29,11 @@ enum class TitleVersionFormat : u8 {
std::string FormatTitleVersion(u32 version,
TitleVersionFormat format = TitleVersionFormat::ThreeElements);
// Returns a directory with name matching name case-insensitive. Returns nullptr if directory
// doesn't have a directory with name.
std::shared_ptr<VfsDirectory> FindSubdirectoryCaseless(const std::shared_ptr<VfsDirectory> dir,
const std::string& name);
// A centralized class to manage patches to games.
class PatchManager {
public: