Android Open Source - OpenHSK Pinyin Replacer

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License

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This work is licensed under a Creative Commons Attribution 3.0 Unported License. Original author of word lists: http://lingomi.com/ Original author of definitions: http://cc-cedict.org Original autho...

Java Source Code

package edu.openhsk.utils;
//  w w w  .  j a v  a2s. c o  m
/**
 * A hideous but effective class for replacing tone numbers with with tone marks in pinyin.
 * @author Admin
 */
public class PinyinReplacer {

  /**
   * Replacement lookup table for pinyin tone markers.
   * DO NOT CHANGE THE ORDER OF THE ROWS!
   */
  private static final String[][] replacementTable = {
    {"a1","??"},
    {"a2",""},
    {"a3","?"},
    {"a4",""},
    {"a5","a"},
    {"e1","?"},
    {"e2",""},
    {"e3","?"},
    {"e4",""},
    {"e5","e"},
    {"i1","?"},
    {"i2",""},
    {"i3","??"},
    {"i4",""},
    {"i5","i"},
    {"o1","??"},
    {"o2",""},
    {"o3","?"},
    {"o4",""},
    {"o5","o"},
    {"u1","?"},
    {"u2",""},
    {"u3","?"},
    {"u4",""},
    {"u5","u"},
    {"1","?"},
    {"2","?"},
    {"3","?"},
    {"4","?"},
    {"5",""},
    {"an1","??n"},
    {"an2","n"},
    {"an3","?n"},
    {"an4","n"},
    {"an5","an"},
    {"ang1","??ng"},
    {"ang2","ng"},
    {"ang3","?ng"},
    {"ang4","ng"},
    {"ang5","ang"},
    {"en1","?n"},
    {"en2","n"},
    {"en3","?n"},
    {"en4","n"},
    {"en5","en"},
    {"eng1","?ng"},
    {"eng2","ng"},
    {"eng3","?ng"},
    {"eng4","ng"},
    {"eng5","eng"},
    {"in1","?n"},
    {"in2","n"},
    {"in3","??n"},
    {"in4","n"},
    {"in5","in"},
    {"ing1","?ng"},
    {"ing2","ng"},
    {"ing3","??ng"},
    {"ing4","ng"},
    {"ing5","ing"},
    {"ong1","??ng"},
    {"ong2","ng"},
    {"ong3","?ng"},
    {"ong4","ng"},
    {"ong5","ong"},
    {"un1","?n"},
    {"un2","n"},
    {"un3","?n"},
    {"un4","n"},
    {"un5","un"},
    {"er1","?r"},
    {"er2","r"},
    {"er3","?r"},
    {"er4","r"},
    {"er5","er"},
    {"r5","er"},
    {"a??","??o"},
    {"a","o"},
    {"a?","?o"},
    {"a","o"},
    {"o?","??u"},
    {"o","u"},
    {"o?","?u"},
    {"o","u"},
    {"a?","??i"},
    {"a","i"},
    {"a??","?i"},
    {"a","i"},
    {"e?","?i"},
    {"e","i"},
    {"e??","?i"},
    {"e","i"}
  };

  /**
   * Replaces numbered tone marks with visual tone marks. 
   * @param input The pinyin string containing numbered tone marks.
   * @return The resulting string containing visual tone marks.
   */
  public static String convertNumberedToneMarksToVisual(String input) {
    if (input.contains(" ")) {
      String[] strings = input.split("\\s");
      StringBuilder sb = new StringBuilder();
      for (String string : strings) {
        sb.append((" " + replace(string)));
      }
      return sb.toString().trim();
    } else {
      input = replace(input);
    }
    return input;
  }

  private static String replace(String input) {
    for (int i = 0; i < replacementTable.length; i++) {
      if (input.contains(replacementTable[i][0])) {
        input = input.replace(replacementTable[i][0], 
          replacementTable[i][1]);
      }
    }
    return input;
  }

  /**
   * Removes tone mark numbering from the included pinyin string.
   * @param input The pinyin string to be modified.
   * @return The new pinyin string with removed tone mark numbers.
   */
  public static String removeNumericToneMarks(String input) {
    return input.replaceAll("\\d", "");
  }
  
  public static String removeVisualToneMarks(String string) {
    for (int i = 0; i < replacementTable.length; i++) {
      if (string.contains(replacementTable[i][1])) {
        string = string.replace(replacementTable[i][1], replacementTable[i][0]);
      }
    }
    return string;
  }
  
  public static String removeAllToneMarks(String string) {
    return removeNumericToneMarks(removeVisualToneMarks(string)).trim();
  }
}

Java Source Code List

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