#TF_YA Lab2 (XML) Text parsing

//найти конструкцию вида:
//<слово><знак_препинания><знак_табуляции>
//предварительно разбив текст на предложения и отделив междометия: ([А!] [У!] [А?] [О!] [А. С. Пушкин])

import org.omg.PortableInterceptor.SYSTEM_EXCEPTION;
import java.io.File;
import java.io.FileOutputStream;
import java.io.PrintStream;
import java.util.Scanner;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class check {

    public static void form_xml(String entire_text) {

        String xml_header = "<?xml version=\"1.1\" encoding=\"UTF-8\" ?>\n<lab2_Belyaev>\n";
        String xml_footer = "</lab2_AB>";
        int n = 0, found_in_string;

        Pattern p0 = Pattern.compile("(\\w{2,}[\\.|\\!|\\?])|(\\w[\\!|\\?])", Pattern.CASE_INSENSITIVE);
        Matcher m0 = p0.matcher(entire_text);

        StringBuilder newstr = new StringBuilder(entire_text);
        String preedited_str;

        //find all non-abbreviation words in the end of sentences and replace end-of-string charachters with '!'
        while (m0.find()) {
            String tmp = m0.group();

            //tmp = tmp.replaceAll("\\.|\\!|\\?", "!");
            //System.out.println("Abbrev[" + m0.start() + "]:" + '"' + tmp + '"');

            newstr.setCharAt(m0.start() + tmp.length() - 1, '!');
        }

        preedited_str = newstr.toString().replace("\n", "");

        String[] sentences = preedited_str.split("\\!");

        for (String entry : sentences) {
            System.out.println("S:" + '"' + entry + '"');
        }



        StringBuffer buffer = new StringBuffer();
        buffer.append(xml_header);


        StringBuffer tmp_entry = new StringBuffer();
        StringBuffer tmp_word = new StringBuffer();
        StringBuffer tmp_sym = new StringBuffer();
        StringBuffer tmp_tab = new StringBuffer();

        for (String entry : sentences) {

            String regex = "(\\w{1,}\\W\\t+)";
            String inner_regex;
            Pattern p = Pattern.compile(regex, Pattern.CASE_INSENSITIVE);
            Matcher m = p.matcher(entry);

            found_in_string = 0;

            while (m.find()) {
                tmp_entry.append(m.group());

                if (found_in_string == 0) buffer.append("\t<sentence>" + entry + "</sentence>\n");

                inner_regex = "\\w+";
                Pattern p_inner = Pattern.compile(inner_regex, Pattern.CASE_INSENSITIVE);
                Matcher m_inner = p_inner.matcher(tmp_entry);
                while (m_inner.find()) {
                    tmp_word.append(m_inner.group());
                }

                inner_regex = "[^\\w^\\s]";
                p_inner = Pattern.compile(inner_regex, Pattern.CASE_INSENSITIVE);
                m_inner = p_inner.matcher(tmp_entry);
                while (m_inner.find()) {
                    tmp_sym.append(m_inner.group());
                }

                inner_regex = "\\t+";
                p_inner = Pattern.compile(inner_regex, Pattern.CASE_INSENSITIVE);
                m_inner = p_inner.matcher(tmp_entry);
                while (m_inner.find()) {
                    tmp_tab.append(m_inner.group());
                }

                //System.out.println("X:<w>" + tmp_word + "</w> <c>" + tmp_sym + "</c> <tab>" + tmp_tab + "</tab>");
                buffer.append("\t\t<w>").append(tmp_word).append("</w>\n").append("\t\t  <c>").append(tmp_sym).append("</c>\n").append("\t\t  <tab>").append(tmp_tab).append("</tab>\n\n");

                tmp_entry.delete(0, tmp_entry.length());
                tmp_word.delete(0, tmp_word.length());
                tmp_sym.delete(0, tmp_sym.length());
                tmp_tab.delete(0, tmp_tab.length());

                n++;
                found_in_string++;
            }
        }

        buffer.append(xml_footer);


        System.out.println(buffer);
        System.out.print("Matches:" + n);



        try (PrintStream out =
                     new PrintStream(new FileOutputStream("out.xml"))) {
            out.print(buffer);
        }
        catch (java.io.FileNotFoundException e) {
            System.err.println(e.toString());
        }

    }

    public static void main(String[] args){

        try {
            String input_text = new Scanner(new File("src/in.txt")).useDelimiter("\\A").next();
            form_xml(input_text);
        }
        catch (java.io.FileNotFoundException e) {
            System.out.println("E1: file not found");
            System.err.println(e.toString());
        }

    }

}