package projectmanager import java io BufferedReader import java io Fi

package projectmanager;

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class IniReader {
    private final Pattern _section  = Pattern.compile("\\s*\\[([^]]*)\\]\\s*");
    private final Pattern _keyValue = Pattern.compile("\\s*([^=]*)=(.*)");
    final private Map<String, Map<String, String>> _entries  = new HashMap<>();

    public IniReader(String path) {
        try {
            try(BufferedReader br = new BufferedReader(new FileReader(path))) {
                String line;
                String section = null;
                while((line = br.readLine()) != null ) {
                    Matcher m = _section.matcher(line);
                    if(m.matches())
                        section = m.group(1).trim();
                    else if(section != null) {
                        m = _keyValue.matcher(line);
                        if(m.matches()) {
                            String key = m.group(1).trim();
                            String value = m.group(2).trim();
                            Map<String, String> kv = _entries.get(section);
                            if(kv == null)
                                _entries.put(section, kv = new HashMap<>());
                            kv.put(key, value);
                        }
                    }
                }
            }
        }catch(IOException io) {
            System.out.println("Ошибка чтения config.ini");
            System.exit(0);
        }
    }

    public String get(String section, String key) {
        Map<String, String> kv = _entries.get(section);
        return kv.get(key);
   }
}