Merge pull request #1424 from DarkLordZach/ips-witch

ips_layer: Add support for IPSwitch executable patches

1 files changed, 30 insertions, 0 deletions

diff --git a/src/core/file_sys/ips_layer.h b/src/core/file_sys/ips_layer.h
index 81c163494..57da00da8 100644
--- a/src/core/file_sys/ips_layer.h
+++ b/src/core/file_sys/ips_layer.h
@@ -12,4 +12,34 @@ namespace FileSys {
 
 VirtualFile PatchIPS(const VirtualFile& in, const VirtualFile& ips);
 
+class IPSwitchCompiler {
+public:
+    explicit IPSwitchCompiler(VirtualFile patch_text);
+    ~IPSwitchCompiler();
+
+    std::array<u8, 0x20> GetBuildID() const;
+    bool IsValid() const;
+    VirtualFile Apply(const VirtualFile& in) const;
+
+private:
+    void ParseFlag(const std::string& flag);
+    void Parse();
+
+    bool valid = false;
+
+    struct IPSwitchPatch {
+        std::string name;
+        bool enabled;
+        std::map<u32, std::vector<u8>> records;
+    };
+
+    VirtualFile patch_text;
+    std::vector<IPSwitchPatch> patches;
+    std::array<u8, 0x20> nso_build_id{};
+    bool is_little_endian = false;
+    s64 offset_shift = 0;
+    bool print_values = false;
+    std::string last_comment = "";
+};
+
 } // namespace FileSys