add solutions for hw6:Base
This commit is contained in:
28
java/wspp/IntList.java
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28
java/wspp/IntList.java
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package wspp;
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public class IntList {
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private int[] array;
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private int size;
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public IntList() {
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array = new int[10];
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size = 0;
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}
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public void add(int value) {
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if (size >= array.length) {
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int[] newArray = new int[array.length * 2];
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System.arraycopy(array, 0, newArray, 0, size);
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array = newArray;
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}
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array[size++] = value;
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}
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public int get(int index) {
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return array[index];
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}
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public int size() {
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return size;
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}
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}
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56
java/wspp/WordScanner.java
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56
java/wspp/WordScanner.java
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package wspp;
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import java.io.*;
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import java.nio.charset.StandardCharsets;
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public class WordScanner {
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private BufferedReader br;
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private String line = null;
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private int pos = 0;
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public WordScanner(String fileName) throws IOException {
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br = new BufferedReader(new InputStreamReader(
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new FileInputStream(fileName), StandardCharsets.UTF_8));
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}
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private boolean hasNextLine() throws IOException {
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if (line != null && pos < line.length()) return true;
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line = br.readLine();
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pos = 0;
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return line != null;
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}
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private boolean isWordChar(char c) {
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return Character.isLetter(c) || c == '\'' ||
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Character.getType(c) == Character.DASH_PUNCTUATION;
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}
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public boolean hasNextWord() throws IOException {
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while (hasNextLine()) {
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while (pos < line.length() && !isWordChar(line.charAt(pos))) {
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pos++;
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}
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if (pos < line.length()) {
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return true;
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}
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}
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return false;
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}
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public String nextWord() {
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while (pos < line.length() && !isWordChar(line.charAt(pos))) {
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pos++;
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}
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int start = pos;
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while (pos < line.length() && isWordChar(line.charAt(pos))) {
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pos++;
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}
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return line.substring(start, pos).toLowerCase();
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}
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public void close() throws IOException {
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br.close();
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}
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}
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71
java/wspp/Wspp.java
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71
java/wspp/Wspp.java
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package wspp;
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import java.io.*;
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import java.nio.charset.StandardCharsets;
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import java.util.*;
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public class Wspp {
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public static void main(String[] args) {
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if (args.length != 2) {
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System.err.println("Usage: java Wspp inputFile outputFile");
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return;
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}
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String inputFile = args[0];
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String outputFile = args[1];
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try {
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WordScanner scanner = new WordScanner(inputFile);
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// LinkedHashMap сохраняет порядок вставки
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Map<String, WordInfo> wordMap = new LinkedHashMap<>();
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int wordPosition = 1;
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while (scanner.hasNextWord()) {
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String word = scanner.nextWord();
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if (wordMap.containsKey(word)) {
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WordInfo info = wordMap.get(word);
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info.count++;
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info.positions.add(wordPosition);
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} else {
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WordInfo info = new WordInfo();
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info.count = 1;
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info.positions = new IntList();
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info.positions.add(wordPosition);
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wordMap.put(word, info);
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}
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wordPosition++;
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}
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scanner.close();
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// Запись результата
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PrintWriter writer = new PrintWriter(
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new OutputStreamWriter(
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new FileOutputStream(outputFile), StandardCharsets.UTF_8));
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for (Map.Entry<String, WordInfo> entry : wordMap.entrySet()) {
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String word = entry.getKey();
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WordInfo info = entry.getValue();
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writer.print(word + " " + info.count);
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for (int i = 0; i < info.positions.size(); i++) {
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writer.print(" " + info.positions.get(i));
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}
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writer.println();
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}
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writer.close();
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} catch (IOException e) {
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System.err.println("Error: " + e.getMessage());
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}
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}
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static class WordInfo {
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int count;
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IntList positions;
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}
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}
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