1. import java.io.IOException;
  2. import java.io.sstream;
  3. import java.nio.file.Files;
  4. import java.nio.file.Path;
  5. import java.nio.file.Paths;
  6. import java.util.ArrayList;
  7. import java.util.List;
  8. import java.util.regex.Matcher;
  9. import java.util.regex.Pattern;
  10. public class BinaryTokenizer {
  11. public static List<String> tokenizeBinaryFile(Path filePath) throws IOException {
  12. List<String> tokens = new ArrayList<>();
  13. String fileContent = new String(Files.readAllBytes(filePath)); // Read entire file content
  14. // Define regular expressions for different token types
  15. Pattern commentPattern = Pattern.compile("(?m)^(//.*)", Pattern.MULTILINE); // Comments starting with //
  16. Pattern whitespacePattern = Pattern.compile("\\s+"); // Whitespace
  17. Pattern identifierPattern = Pattern.compile("([a-zA-Z_][a-zA-Z0-9_]*)[\\s\\.,;:]?"); // Identifiers
  18. Pattern numberPattern = Pattern.compile("[-+]?\\d+(\\.\\d+)?"); // Numbers
  19. Matcher commentMatcher = commentPattern.matcher(fileContent);
  20. Matcher whitespaceMatcher = whitespacePattern.matcher(fileContent);
  21. Matcher identifierMatcher = identifierPattern.matcher(fileContent);
  22. Matcher numberMatcher = numberPattern.matcher(fileContent);
  23. // Extract tokens
  24. while (commentMatcher.find()) {
  25. tokens.add("COMMENT:" + commentMatcher.group()); // Add comment token
  26. }
  27. while (whitespaceMatcher.find()) {
  28. tokens.add("WHITESPACE:" + whitespaceMatcher.group()); // Add whitespace token
  29. }
  30. while (identifierMatcher.find()) {
  31. tokens.add("IDENTIFIER:" + identifierMatcher.group()); // Add identifier token
  32. }
  33. while (numberMatcher.find()) {
  34. tokens.add("NUMBER:" + numberMatcher.group()); // Add number token
  35. }
  36. return tokens;
  37. }
  38. public static void main(String[] args) throws IOException {
  39. // Example usage:
  40. Path filePath = Paths.get("example.bin"); // Replace with your binary file path
  41. // Create a dummy binary file for testing
  42. try {
  43. Files.write(filePath, "int x = 10; // This is a comment\nfloat y = 3.14; \n int z = -5;".getBytes());
  44. } catch (IOException e) {
  45. System.err.println("Error creating dummy file: " + e.getMessage());
  46. return;
  47. }
  48. List<String> tokens = tokenizeBinaryFile(filePath);
  49. for (String token : tokens) {
  50. System.out.println(token); // Print the tokens
  51. }
  52. }
  53. }

Add your comment