From 91cfe70301bec23099ae27ad70e3da525a573cfe Mon Sep 17 00:00:00 2001
From: Zach Hilman <zachhilman@gmail.com>
Date: Mon, 6 Aug 2018 23:13:37 -0400
Subject: loader: Add icon and title support to XCI

---
 src/core/loader/nca.h   |  2 --
 src/core/loader/xci.cpp | 33 ++++++++++++++++++++++++++++++++-
 src/core/loader/xci.h   |  5 +++++
 3 files changed, 37 insertions(+), 3 deletions(-)

(limited to 'src/core/loader')

diff --git a/src/core/loader/nca.h b/src/core/loader/nca.h
index 443bc1202..7f7d8ea0b 100644
--- a/src/core/loader/nca.h
+++ b/src/core/loader/nca.h
@@ -35,8 +35,6 @@ public:
     ResultStatus ReadRomFS(FileSys::VirtualFile& dir) override;
     ResultStatus ReadProgramId(u64& out_program_id) override;
 
-    ResultStatus ReadProgramId(u64& out_program_id) override;
-
     ~AppLoader_NCA();
 
 private:
diff --git a/src/core/loader/xci.cpp b/src/core/loader/xci.cpp
index eb4dee2c2..d3fe24419 100644
--- a/src/core/loader/xci.cpp
+++ b/src/core/loader/xci.cpp
@@ -26,7 +26,25 @@ namespace Loader {
 AppLoader_XCI::AppLoader_XCI(FileSys::VirtualFile file)
     : AppLoader(file), xci(std::make_unique<FileSys::XCI>(file)),
       nca_loader(std::make_unique<AppLoader_NCA>(
-          xci->GetNCAFileByType(FileSys::NCAContentType::Program))) {}
+          xci->GetNCAFileByType(FileSys::NCAContentType::Program))) {
+    if (xci->GetStatus() != ResultStatus::Success)
+        return;
+    const auto control_nca = xci->GetNCAByType(FileSys::NCAContentType::Control);
+    if (control_nca == nullptr || control_nca->GetStatus() != ResultStatus::Success)
+        return;
+    const auto romfs = FileSys::ExtractRomFS(control_nca->GetRomFS());
+    if (romfs == nullptr)
+        return;
+    for (const auto& language : FileSys::LANGUAGE_NAMES) {
+        icon_file = romfs->GetFile("icon_" + std::string(language) + ".dat");
+        if (icon_file != nullptr)
+            break;
+    }
+    const auto nacp_raw = romfs->GetFile("control.nacp");
+    if (nacp_raw == nullptr)
+        return;
+    nacp_file = std::make_shared<FileSys::NACP>(nacp_raw);
+}
 
 AppLoader_XCI::~AppLoader_XCI() = default;
 
@@ -71,4 +89,17 @@ ResultStatus AppLoader_XCI::ReadProgramId(u64& out_program_id) {
     return nca_loader->ReadProgramId(out_program_id);
 }
 
+ResultStatus AppLoader_XCI::ReadIcon(std::vector<u8>& buffer) {
+    if (icon_file == nullptr)
+        return ResultStatus::ErrorInvalidFormat;
+    buffer = icon_file->ReadAllBytes();
+    return ResultStatus::Success;
+}
+
+ResultStatus AppLoader_XCI::ReadTitle(std::string& title) {
+    if (nacp_file == nullptr)
+        return ResultStatus::ErrorInvalidFormat;
+    title = nacp_file->GetApplicationName();
+    return ResultStatus::Success;
+}
 } // namespace Loader
diff --git a/src/core/loader/xci.h b/src/core/loader/xci.h
index 0dbcfbdf8..973833050 100644
--- a/src/core/loader/xci.h
+++ b/src/core/loader/xci.h
@@ -33,12 +33,17 @@ public:
 
     ResultStatus ReadRomFS(FileSys::VirtualFile& dir) override;
     ResultStatus ReadProgramId(u64& out_program_id) override;
+    ResultStatus ReadIcon(std::vector<u8>& buffer) override;
+    ResultStatus ReadTitle(std::string& title) override;
 
 private:
     FileSys::ProgramMetadata metadata;
 
     std::unique_ptr<FileSys::XCI> xci;
     std::unique_ptr<AppLoader_NCA> nca_loader;
+
+    FileSys::VirtualFile icon_file;
+    std::shared_ptr<FileSys::NACP> nacp_file;
 };
 
 } // namespace Loader
-- 
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