feat: Update 3 files

dshash/main.cpp

@@ -9,20 +9,42 @@
 void printUsage(const std::string& program) {
     std::cerr << "Usage: " << program << " [-v] <file_or_directory_path>\n";
     std::cerr << "       " << program << " version\n";
+    std::cerr << "       " << program << " autocomplete <args>\n";
     std::cerr << "  -v  Verbose mode (list files as they are processed)\n";
 }
 
 int main(int argc, char* argv[]) {
-    if (argc < 2 || argc > 3) {
+    if (argc < 2) {
         printUsage(argv[0]);
         return 1;
     }
-    
+
     // Check for version command
     if (argc == 2 && std::string(argv[1]) == "version") {
         std::cout << DSHASH_VERSION << std::endl;
         return 0;
     }
+
+    // Check for autocomplete command
+    if (std::string(argv[1]) == "autocomplete") {
+        // Return available options for autocomplete
+        std::cout << "-v\n";
+        std::cout << "version\n";
+        // Suggest files and directories in current directory
+        try {
+            for (const auto& entry : std::filesystem::directory_iterator(".")) {
+                std::cout << entry.path().filename().string() << "\n";
+            }
+        } catch (...) {
+            // Ignore errors in autocomplete
+        }
+        return 0;
+    }
+
+    if (argc > 3) {
+        printUsage(argv[0]);
+        return 1;
+    }
     
     bool verbose = false;
     std::string path;