Refactor command handlers for improved code organization and readability

src/cli/handlers/tile16_transfer.cc

@@ -0,0 +1,87 @@
+#include <string>
+#include <vector>
+
+#include "absl/status/status.h"
+#include "app/core/common.h"
+#include "app/core/constants.h"
+#include "app/rom.h"
+#include "cli/command.h"
+
+namespace yaze {
+namespace cli {
+
+using namespace app;
+
+absl::Status Tile16Transfer::handle(const std::vector<std::string>& arg_vec) {
+  // Load the source rom
+  RETURN_IF_ERROR(rom_.LoadFromFile(arg_vec[0]))
+
+  // Load the destination rom
+  Rom dest_rom;
+  RETURN_IF_ERROR(dest_rom.LoadFromFile(arg_vec[1]))
+
+  std::vector<uint32_t> tileIDs;
+
+  // Parse the CSV list of tile16 IDs.
+  std::stringstream ss(arg_vec[2].data());
+  for (std::string tileID; std::getline(ss, tileID, ',');) {
+    if (tileID == "*") {
+      // for (uint32_t i = 0; i <= rom_.GetMaxTileID(); ++i) {
+      //   tileIDs.push_back(i);
+      // }
+      break;  // No need to continue parsing if * is used
+    } else if (tileID.find('-') != std::string::npos) {
+      // Handle range: split by hyphen and add all tile IDs in the range.
+      std::stringstream rangeSS(tileID);
+      std::string start;
+      std::string end;
+      std::getline(rangeSS, start, '-');
+      std::getline(rangeSS, end);
+      uint32_t startID = std::stoi(start, nullptr, 16);
+      uint32_t endID = std::stoi(end, nullptr, 16);
+      for (uint32_t i = startID; i <= endID; ++i) {
+        tileIDs.push_back(i);
+      }
+    } else {
+      // Handle single tile ID
+      uint32_t tileID_int = std::stoi(tileID, nullptr, 16);
+      tileIDs.push_back(tileID_int);
+    }
+  }
+
+  for (const auto& tile16_id_int : tileIDs) {
+    // Compare the tile16 data between source and destination ROMs.
+    // auto source_tile16_data = rom_.ReadTile16(tile16_id_int);
+    // auto dest_tile16_data = dest_rom.ReadTile16(tile16_id_int);
+    ASSIGN_OR_RETURN(auto source_tile16_data, rom_.ReadTile16(tile16_id_int))
+    ASSIGN_OR_RETURN(auto dest_tile16_data, dest_rom.ReadTile16(tile16_id_int))
+    if (source_tile16_data != dest_tile16_data) {
+      // Notify user of difference
+      std::cout << "Difference detected in tile16 ID " << tile16_id_int
+                << ". Do you want to transfer it to dest rom? (y/n): ";
+      char userChoice;
+      std::cin >> userChoice;
+
+      // Transfer if user confirms
+      if (userChoice == 'y' || userChoice == 'Y') {
+        RETURN_IF_ERROR(
+            dest_rom.WriteTile16(tile16_id_int, source_tile16_data));
+        std::cout << "Transferred tile16 ID " << tile16_id_int
+                  << " to dest rom." << std::endl;
+      } else {
+        std::cout << "Skipped transferring tile16 ID " << tile16_id_int << "."
+                  << std::endl;
+      }
+    }
+  }
+
+  RETURN_IF_ERROR(
+      dest_rom.SaveToFile(/*backup=*/true, /*save_new=*/false, arg_vec[1]))
+
+  std::cout << "Successfully transferred tile16" << std::endl;
+
+  return absl::OkStatus();
+}
+
+}  // namespace cli
+}  // namespace yaze