1. import java.io.BufferedReader;
  2. import java.io.FileReader;
  3. import java.io.IOException;
  5. public class HtmlFormatter {
  7. public static void main(String[] args) {
  8. if (args.length != 1) {
  9. System.out.println("Usage: java HtmlFormatter <input_file>");
  10. return;
  11. }
  13. String inputFilePath = args[0];
  14. try (BufferedReader reader = new BufferedReader(new FileReader(inputFilePath))) {
  15. String line;
  16. while ((line = reader.readLine()) != null) {
  17. System.out.println(formatLine(line));
  18. }
  19. } catch (IOException e) {
  20. System.err.println("Error reading file: " + e.getMessage());
  21. }
  22. }
  24. private static String formatLine(String line) {
  25. // Basic indentation: indent after opening tags
  26. if (line.contains("<")) {
  27. int openTagIndex = line.indexOf("<");
  28. if (openTagIndex != -1) {
  29. // Find the closing tag
  30. int closingTagIndex = line.indexOf(">", openTagIndex);
  32. if (closingTagIndex != -1) {
  33. String openingTag = line.substring(0, openTagIndex + 1);
  34. String closingTag = line.substring(closingTagIndex);
  36. //Indentation level
  37. int indentationLevel = 0;
  38. while (openingTag.charAt(indentationLevel) != '{') {
  39. indentationLevel++;
  40. }
  42. String indentation = " ".repeat(indentationLevel);
  44. return indentation + line;
  45. } else {
  46. return line; // If closing tag not found, return as is
  47. }
  48. }
  49. }
  50. return line; // Return unchanged if no HTML tags
  51. }
  52. }

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