@Override
public String getWords(CharSequence input) {
// Look up the syllables index; return empty string for invalid syllables.
String[] pair = ZhuyinTable.stripTones(input.toString());
int syllablesIndex = (pair != null) ? ZhuyinTable.getSyllablesIndex(pair[0]) : -1;
if (syllablesIndex < 0) {
return "";
}
// [22-initials * 39-finals] syllables array; each syllables entry points to
// a char[] containing words for that syllables.
char[][] dictionary = dictionary();
char[] data = (dictionary != null) ? dictionary[syllablesIndex] : null;
if (data == null) {
return "";
}
// Counts of words for each tone are stored in the array beginning.
int tone = ZhuyinTable.getTones(pair[1].charAt(0));
int length = (int) data[tone];
if (length == 0) {
return "";
}
int start = TONES_COUNT;
for (int i = 0; i < tone; i++) {
start += (int) data[i];
}
return String.copyValueOf(data, start, length);
}
/** Extends WordDictionary to provide zhuyin word-suggestions. */
public class ZhuyinDictionary extends WordDictionary {
private static final int APPROX_DICTIONARY_SIZE = 65536;
private static final int TONES_COUNT = ZhuyinTable.getTonesCount();
public ZhuyinDictionary(Context context) {
super(context, R.raw.dict_zhuyin, APPROX_DICTIONARY_SIZE);
}
@Override
public String getWords(CharSequence input) {
// Look up the syllables index; return empty string for invalid syllables.
String[] pair = ZhuyinTable.stripTones(input.toString());
int syllablesIndex = (pair != null) ? ZhuyinTable.getSyllablesIndex(pair[0]) : -1;
if (syllablesIndex < 0) {
return "";
}
// [22-initials * 39-finals] syllables array; each syllables entry points to
// a char[] containing words for that syllables.
char[][] dictionary = dictionary();
char[] data = (dictionary != null) ? dictionary[syllablesIndex] : null;
if (data == null) {
return "";
}
// Counts of words for each tone are stored in the array beginning.
int tone = ZhuyinTable.getTones(pair[1].charAt(0));
int length = (int) data[tone];
if (length == 0) {
return "";
}
int start = TONES_COUNT;
for (int i = 0; i < tone; i++) {
start += (int) data[i];
}
return String.copyValueOf(data, start, length);
}
}
