loader: Add accessor for Manual RomFS

src/core/loader/loader.h

@@ -259,6 +259,15 @@ public:
         return ResultStatus::ErrorNotImplemented;
     }
 
+    /**
+     * Get the RomFS of the manual of the application
+     * @param file The raw manual RomFS of the game
+     * @return ResultStatus result of function
+     */
+    virtual ResultStatus ReadManualRomFS(FileSys::VirtualFile& file) {
+        return ResultStatus::ErrorNotImplemented;
+    }
+
 protected:
     FileSys::VirtualFile file;
     bool is_loaded = false;

src/core/loader/nsp.cpp

@@ -158,4 +158,12 @@ ResultStatus AppLoader_NSP::ReadControlData(FileSys::NACP& nacp) {
     nacp = *nacp_file;
     return ResultStatus::Success;
 }
+
+ResultStatus AppLoader_NSP::ReadManualRomFS(FileSys::VirtualFile& file) {
+    const auto nca = nsp->GetNCA(nsp->GetProgramTitleID(), FileSys::ContentRecordType::Manual);
+    if (nsp->GetStatus() != ResultStatus::Success || nca == nullptr)
+        return ResultStatus::ErrorNoRomFS;
+    file = nca->GetRomFS();
+    return file == nullptr ? ResultStatus::ErrorNoRomFS : ResultStatus::Success;
+}
 } // namespace Loader

src/core/loader/nsp.h

@@ -44,6 +44,8 @@ public:
     ResultStatus ReadIcon(std::vector<u8>& buffer) override;
     ResultStatus ReadTitle(std::string& title) override;
     ResultStatus ReadControlData(FileSys::NACP& nacp) override;
+    ResultStatus ReadDeveloper(std::string& developer) override;
+    ResultStatus ReadManualRomFS(FileSys::VirtualFile& file) override;
 
 private:
     std::unique_ptr<FileSys::NSP> nsp;

src/core/loader/xci.cpp

@@ -128,4 +128,13 @@ ResultStatus AppLoader_XCI::ReadControlData(FileSys::NACP& control) {
     return ResultStatus::Success;
 }
 
+ResultStatus AppLoader_XCI::ReadManualRomFS(FileSys::VirtualFile& file) {
+    const auto nca = xci->GetSecurePartitionNSP()->GetNCA(xci->GetProgramTitleID(),
+                                                          FileSys::ContentRecordType::Manual);
+    if (xci->GetStatus() != ResultStatus::Success || nca == nullptr)
+        return ResultStatus::ErrorXCIMissingPartition;
+    file = nca->GetRomFS();
+    return file == nullptr ? ResultStatus::ErrorNoRomFS : ResultStatus::Success;
+}
+
 } // namespace Loader

src/core/loader/xci.h

@@ -44,6 +44,8 @@ public:
     ResultStatus ReadIcon(std::vector<u8>& buffer) override;
     ResultStatus ReadTitle(std::string& title) override;
     ResultStatus ReadControlData(FileSys::NACP& control) override;
+    ResultStatus ReadDeveloper(std::string& developer) override;
+    ResultStatus ReadManualRomFS(FileSys::VirtualFile& file) override;
 
 private:
     std::unique_ptr<FileSys::XCI> xci;