Refactor command handlers for improved code organization and readability

src/cli/handlers/patch.cc

@@ -0,0 +1,61 @@
+#include "cli/command.h"
+
+namespace yaze {
+namespace cli {
+
+absl::Status ApplyPatch::handle(const std::vector<std::string>& arg_vec) {
+  std::string rom_filename = arg_vec[1];
+  std::string patch_filename = arg_vec[2];
+  RETURN_IF_ERROR(rom_.LoadFromFile(rom_filename))
+  auto source = rom_.vector();
+  std::ifstream patch_file(patch_filename, std::ios::binary);
+  std::vector<uint8_t> patch;
+  patch.resize(rom_.size());
+  patch_file.read((char*)patch.data(), patch.size());
+
+  // Apply patch
+  std::vector<uint8_t> patched;
+  app::core::ApplyBpsPatch(source, patch, patched);
+
+  // Save patched file
+  std::ofstream patched_rom("patched.sfc", std::ios::binary);
+  patched_rom.write((char*)patched.data(), patched.size());
+  patched_rom.close();
+  return absl::OkStatus();
+}
+
+absl::Status AsarPatch::handle(const std::vector<std::string>& arg_vec) {
+  std::string patch_filename = arg_vec[1];
+  std::string rom_filename = arg_vec[2];
+  RETURN_IF_ERROR(rom_.LoadFromFile(rom_filename))
+  int buflen = rom_.vector().size();
+  int romlen = rom_.vector().size();
+  if (!asar_patch(patch_filename.c_str(), rom_filename.data(), buflen,
+                  &romlen)) {
+    std::string error_message = "Failed to apply patch: ";
+    int num_errors = 0;
+    const errordata* errors = asar_geterrors(&num_errors);
+    for (int i = 0; i < num_errors; i++) {
+      error_message += absl::StrFormat("%s", errors[i].fullerrdata);
+    }
+    return absl::InternalError(error_message);
+  }
+  return absl::OkStatus();
+}
+
+absl::Status CreatePatch::handle(const std::vector<std::string>& arg_vec) {
+  std::vector<uint8_t> source;
+  std::vector<uint8_t> target;
+  std::vector<uint8_t> patch;
+  // Create patch
+  app::core::CreateBpsPatch(source, target, patch);
+
+  // Save patch to file
+  // std::ofstream patchFile("patch.bps", ios::binary);
+  // patchFile.write(reinterpret_cast<const char*>(patch.data()),
+  // patch.size()); patchFile.close();
+  return absl::OkStatus();
+}
+
+}  // namespace cli
+}  // namespace yaze