import java.io.IOException;
import java.io.sstream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class BinaryTokenizer {
public static List<String> tokenizeBinaryFile(Path filePath) throws IOException {
List<String> tokens = new ArrayList<>();
String fileContent = new String(Files.readAllBytes(filePath)); // Read entire file content
// Define regular expressions for different token types
Pattern commentPattern = Pattern.compile("(?m)^(//.*)", Pattern.MULTILINE); // Comments starting with //
Pattern whitespacePattern = Pattern.compile("\\s+"); // Whitespace
Pattern identifierPattern = Pattern.compile("([a-zA-Z_][a-zA-Z0-9_]*)[\\s\\.,;:]?"); // Identifiers
Pattern numberPattern = Pattern.compile("[-+]?\\d+(\\.\\d+)?"); // Numbers
Matcher commentMatcher = commentPattern.matcher(fileContent);
Matcher whitespaceMatcher = whitespacePattern.matcher(fileContent);
Matcher identifierMatcher = identifierPattern.matcher(fileContent);
Matcher numberMatcher = numberPattern.matcher(fileContent);
// Extract tokens
while (commentMatcher.find()) {
tokens.add("COMMENT:" + commentMatcher.group()); // Add comment token
}
while (whitespaceMatcher.find()) {
tokens.add("WHITESPACE:" + whitespaceMatcher.group()); // Add whitespace token
}
while (identifierMatcher.find()) {
tokens.add("IDENTIFIER:" + identifierMatcher.group()); // Add identifier token
}
while (numberMatcher.find()) {
tokens.add("NUMBER:" + numberMatcher.group()); // Add number token
}
return tokens;
}
public static void main(String[] args) throws IOException {
// Example usage:
Path filePath = Paths.get("example.bin"); // Replace with your binary file path
// Create a dummy binary file for testing
try {
Files.write(filePath, "int x = 10; // This is a comment\nfloat y = 3.14; \n int z = -5;".getBytes());
} catch (IOException e) {
System.err.println("Error creating dummy file: " + e.getMessage());
return;
}
List<String> tokens = tokenizeBinaryFile(filePath);
for (String token : tokens) {
System.out.println(token); // Print the tokens
}
}
}
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