public static BreakIterator GetWordInstance()
{
if (instance == null)
{
instance = new BreakIterator();
}
return instance;
}
/// <summary>
/// Creates a new ThaiTokenizer, supplying the AttributeFactory </summary>
public ThaiTokenizer(AttributeFactory factory, Reader reader)
: base(factory, reader, (BreakIterator)sentenceProto.clone())
{
if (!DBBI_AVAILABLE)
{
throw new System.NotSupportedException("This JRE does not have support for Thai segmentation");
}
wordBreaker = (BreakIterator)proto.clone();
}
public void Init()
{
characterBreak = BreakIterator.GetCharacterInstance();
wordBreak = BreakIterator.GetWordInstance();
lineBreak = BreakIterator.GetLineInstance();
//Logln("Creating sentence iterator...");
sentenceBreak = BreakIterator.GetSentenceInstance();
//Logln("Finished creating sentence iterator...");
titleBreak = BreakIterator.GetTitleInstance();
}
//
/// <summary>
/// list Khmer word after run ICU
/// </summary>
/// <param name="txt"></param>
/// <returns></returns>
public static String wordList(string txt)
{
// todo
Icu.Wrapper.Init();
var words = BreakIterator.Split(BreakIterator.UBreakIteratorType.WORD, "km-KH", txt).ToList();
var res = String.Join(Environment.NewLine, words);
Icu.Wrapper.Cleanup();
return(txt);
}
private static Statistics WorkWithDocument(string inputFile)
{
try
{
var contents = File.ReadAllText(inputFile);
var defsFile = Path.Combine(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location), "Definitions.json");
//var cam = new Icu.Locale("km-KH");
//var bi = new Icu.RuleBasedBreakIterator(Icu.BreakIterator.UBreakIteratorType.WORD, cam);
//bi.SetText(contents);
//var count = 0;
//while (bi.MoveNext() > 0)
// count++;
// txtNumWords.Text = count.ToString();
var words = BreakIterator.Split(BreakIterator.UBreakIteratorType.WORD, "km-KH", contents).ToList();
//var sentences = BreakIterator.Split(BreakIterator.UBreakIteratorType.SENTENCE, "km-KH", contents);
//var longestSentence = sentences.OrderByDescending(s=>s.Length).FirstOrDefault();
var chars = BreakIterator.Split(BreakIterator.UBreakIteratorType.CHARACTER, "km-KH", contents).ToList();
var sentences = contents.Split(new string[] { "។" }, StringSplitOptions.None).ToList();
var longestSentence = sentences.OrderByDescending(s => s.Length).FirstOrDefault();
var longestSentenceWords = longestSentence.Split(new string[] { "។" }, StringSplitOptions.None);
var longestSentenceWordsAPI = BreakIterator.Split(BreakIterator.UBreakIteratorType.WORD, "km-KH", longestSentence).ToList();
var longestWord = words.OrderByDescending(s => s.Length).FirstOrDefault();
var longestWordChars = BreakIterator.Split(BreakIterator.UBreakIteratorType.CHARACTER, "km-KH", longestWord).ToList();
var defs = JsonConvert.DeserializeObject <Definitions>(File.ReadAllText(defsFile));
return(new Statistics()
{
//Sentences = (bi.Boundaries.Length + 1).ToString(),
Sentences = sentences.Count().ToString(),
Words = words.Count().ToString(),
Consonants = chars.Intersect(defs.Consonants.ToList()).Count().ToString(),
Vowels = chars.Intersect(defs.Vowels.ToList()).Count().ToString(),
LongestSentence = longestSentence,
LongestSentenceWords = longestSentenceWordsAPI.Count().ToString(),
//LongestSentenceWords = longestSentence?.Count().ToString(),
LongestWord = longestWord,
LongestWordChars = longestWordChars.Count().ToString(),
WordList = String.Join(Environment.NewLine, words),
AddingZWSP = String.Join("\u200B", words),
});
}
catch (Exception x)
{
XLogger.Error(x);
return(null);
}
}
/// <summary>
/// Creates a new ThaiTokenizer, supplying the AttributeFactory </summary>
public ThaiTokenizer(AttributeFactory factory, TextReader reader)
: base(factory, reader, BreakIterator.CreateSentenceInstance(Locale.GetUS()))
{
if (!DBBI_AVAILABLE)
{
throw new System.NotSupportedException("This JRE does not have support for Thai segmentation");
}
wordBreaker = new ThaiWordBreaker(BreakIterator.CreateWordInstance(Locale.GetUS()));
termAtt = AddAttribute <ICharTermAttribute>();
offsetAtt = AddAttribute <IOffsetAttribute>();
}
/// <summary>
/// If its a <see cref="RuleBasedBreakIterator"/>, the rule status can be used for token type. If it's
/// any other <see cref="BreakIterator"/>, the rulestatus method is not available, so treat
/// it like a generic <see cref="BreakIterator"/>.
/// </summary>
/// <param name="breakIterator"></param>
/// <returns></returns>
public static BreakIteratorWrapper Wrap(BreakIterator breakIterator)
{
if (breakIterator is RuleBasedBreakIterator)
{
return(new RBBIWrapper((RuleBasedBreakIterator)breakIterator));
}
else
{
return(new BIWrapper(breakIterator));
}
}
/**
* @param filteredBI
* @param text
*/
private void assertDefaultBreakBehavior(BreakIterator filteredBI, String text)
{
Logln("Testing Default Behavior:");
filteredBI.SetText(text);
assertEquals("1st next", 20, filteredBI.Next());
assertEquals("1st next", 84, filteredBI.Next());
assertEquals("1st next", 90, filteredBI.Next());
assertEquals("1st next", 181, filteredBI.Next());
assertEquals("1st next", 278, filteredBI.Next());
filteredBI.First();
}
//
/// <summary>
/// print number of Khmer words in text
/// </summary>
/// <param name="txt"></param>
/// <returns></returns>
public static int wordCount(string txt)
{
int nums = 0;
Icu.Wrapper.Init();
var words = BreakIterator.Split(BreakIterator.UBreakIteratorType.WORD, "km-KH", txt).ToList();
nums = words.Count();
Icu.Wrapper.Cleanup();
return(nums);
}
//
/// <summary>
/// print number of Khmer vowel in text
/// </summary>
/// <param name="text"></param>
/// <returns></returns>
public static int vowelCount(string text)
{
int num_Vowel = -1;
Icu.Wrapper.Init();
var chars = BreakIterator.Split(BreakIterator.UBreakIteratorType.CHARACTER, "km-KH", text).ToList();
num_Vowel = chars.Intersect(defs.Vowels.ToList()).Count();
Icu.Wrapper.Cleanup();
return(num_Vowel);
}
// add zero width space "\u200B" to between Khmer words
// example{ wordswordswordswordswordswordswordswords
// after addZWSP{ words"\u200B"words"\u200B"words"\u200B"words"\u200B"words"\u200B"words"\u200B"words"\u200B"words
public static String addZWSP(string txt)
{
var res = "";
Icu.Wrapper.Init();
var words = BreakIterator.Split(BreakIterator.UBreakIteratorType.WORD, "km-KH", txt).ToList();
res = String.Join("\u200B", words);
Icu.Wrapper.Cleanup();
return(res);
}
private void UxBreakClick(object sender, EventArgs e)
{
using (BreakIterator bi = BreakIterator.CreateWordInstance(Locale.GetUS()))
{
bi.SetText(this.uxText.Text);
var words = bi.Enumerate().ToList();
MessageBox.Show(string.Join("-", words.ToArray()));
}
}
public void Split_Sentence()
{
var parts = BreakIterator.Split(BreakIterator.UBreakIteratorType.SENTENCE, "zh-HK", "供重呼車遊踏持図質腰大野明会掲歌? 方図強候準素能物第毎止田作昼野集。霊一起続時筑腺算掲断詳山住死示流投。");
var expected = new[] {
"供重呼車遊踏持図質腰大野明会掲歌? ",
"方図強候準素能物第毎止田作昼野集。",
"霊一起続時筑腺算掲断詳山住死示流投。"
};
Assert.That(parts.Count(), Is.EqualTo(expected.Length));
Assert.That(parts.ToArray(), Is.EquivalentTo(expected));
}
private static BreakIterator LoadSentenceProto()
{
UninterruptableMonitor.Enter(syncLock);
try
{
return(BreakIterator.GetSentenceInstance(CultureInfo.InvariantCulture));
}
finally
{
UninterruptableMonitor.Exit(syncLock);
}
}
public override BreakIterator CreateBreakIterator(UCultureInfo locale, int kind)
{
// TODO: convert to UCultureInfo when service switches over
if (service.IsDefault)
{
return(CreateBreakInstance(locale, kind));
}
BreakIterator iter = (BreakIterator)service.Get(locale, kind, out UCultureInfo actualLoc);
iter.SetCulture(actualLoc, actualLoc); // services make no distinction between actual & valid
return(iter);
}
private static BreakIterator LoadProto()
{
UninterruptableMonitor.Enter(syncLock);
try
{
return(BreakIterator.GetWordInstance(new CultureInfo("th")));
}
finally
{
UninterruptableMonitor.Exit(syncLock);
}
}
public void TestFilteredJapanese()
{
ULocale loc = ULocale.JAPANESE;
BreakIterator brk = FilteredBreakIteratorBuilder
.GetInstance(loc)
.WrapIteratorWithFilter(BreakIterator.GetSentenceInstance(loc));
brk.SetText("ＯＫです。");
assertEquals("Starting point", 0, brk.Current);
assertEquals("Next point", 5, brk.Next());
assertEquals("Last point", BreakIterator.Done, brk.Next());
}
public void GetBoundaries_Character()
{
var text = "abc? 1";
var expected = new[] {
new Boundary(0, 1), new Boundary(1, 2), new Boundary(2, 3), new Boundary(3, 4), new Boundary(4, 5), new Boundary(5, 6)
};
var parts = BreakIterator.GetBoundaries(BreakIterator.UBreakIteratorType.CHARACTER, new Locale("en-US"), text);
Assert.That(parts.Count(), Is.EqualTo(expected.Length));
Assert.That(parts.ToArray(), Is.EquivalentTo(expected));
}
public void BreakIteratorThatIsNull()
{
var locale = new Locale("de-DE");
using (var bi = BreakIterator.CreateCharacterInstance(locale))
{
Assert.Throws <ArgumentNullException>(() =>
{
bi.SetText(null);
});
}
}
public void GetBoundaries_Sentence()
{
var text = "Aa bb. Ccdef 3.5 x? Y?x! Z";
var expected = new[] {
new Boundary(0, 7), new Boundary(7, 20), new Boundary(20, 22), new Boundary(22, 25), new Boundary(25, 26)
};
var parts = BreakIterator.GetBoundaries(BreakIterator.UBreakIteratorType.SENTENCE, new Locale("en-US"), text);
Assert.That(parts.Count(), Is.EqualTo(expected.Length));
Assert.That(parts.ToArray(), Is.EquivalentTo(expected));
}
/// <summary>
/// Initializes a new instance of the <see cref="StringSearcher<T>"/> class.
/// </summary>
/// <param name="type">The type.</param>
/// <param name="wsManager">The writing system store.</param>
public StringSearcher(SearchType type, WritingSystemManager wsManager)
{
if (wsManager == null)
{
throw new ArgumentNullException("wsManager");
}
m_type = type;
m_sortKeySelector = (ws, text) => wsManager.Get(ws).DefaultCollation.Collator.GetSortKey(text).KeyData;
m_tokenizer = (ws, text) => BreakIterator.Split(BreakIterator.UBreakIteratorType.WORD,
wsManager.Get(ws).IcuLocale, text);
}
public void doTest()
{
BreakIterator brkIter;
switch (type)
{
case BreakIterator.KIND_CHARACTER: brkIter = BreakIterator.GetCharacterInstance(locale); break;
case BreakIterator.KIND_WORD: brkIter = BreakIterator.GetWordInstance(locale); break;
case BreakIterator.KIND_LINE: brkIter = BreakIterator.GetLineInstance(locale); break;
case BreakIterator.KIND_SENTENCE: brkIter = BreakIterator.GetSentenceInstance(locale); break;
default: Errln("Unsupported break iterator type " + type); return;
}
brkIter.SetText(text);
int[] foundOffsets = new int[maxOffsetCount];
int offset, foundOffsetsCount = 0;
// do forwards iteration test
while (foundOffsetsCount < maxOffsetCount && (offset = brkIter.Next()) != BreakIterator.Done)
{
foundOffsets[foundOffsetsCount++] = offset;
}
if (!offsetsMatchExpected(foundOffsets, foundOffsetsCount))
{
// log error for forwards test
String textToDisplay = (text.Length <= 16) ? text : text.Substring(0, 16 - 0); // ICU4N: Checked 2nd parameter
Errln("For type " + type + " " + locale + ", text \"" + textToDisplay + "...\"" +
"; expect " + expectOffsets.Length + " offsets:" + formatOffsets(expectOffsets, expectOffsets.Length) +
"; found " + foundOffsetsCount + " offsets fwd:" + formatOffsets(foundOffsets, foundOffsetsCount));
}
else
{
// do backwards iteration test
--foundOffsetsCount; // back off one from the end offset
while (foundOffsetsCount > 0)
{
offset = brkIter.Previous();
if (offset != foundOffsets[--foundOffsetsCount])
{
// log error for backwards test
String textToDisplay = (text.Length <= 16) ? text : text.Substring(0, 16 - 0); // ICU4N: Checked 2nd parameter
Errln("For type " + type + " " + locale + ", text \"" + textToDisplay + "...\"" +
"; expect " + expectOffsets.Length + " offsets:" + formatOffsets(expectOffsets, expectOffsets.Length) +
"; found rev offset " + offset + " where expect " + foundOffsets[foundOffsetsCount]);
break;
}
}
}
}
public void Split_Word()
{
if (string.CompareOrdinal(Wrapper.IcuVersion, "52.1") < 0)
{
Assert.Ignore("This test requires ICU 52 or higher");
}
var parts = BreakIterator.Split(BreakIterator.UBreakIteratorType.WORD, "zh-HK", "今晚、我會睡著。一隻狗");
var expected = new[] { "今晚", "我會", "睡著", "一隻", "狗" };
Assert.That(parts.Count(), Is.EqualTo(expected.Length));
Assert.That(parts.ToArray(), Is.EquivalentTo(expected));
}
private void Test0Sentences(BreakIterator bi)
{
assertEquals(0, bi.Current);
assertEquals(0, bi.First());
assertEquals(BreakIterator.Done, bi.Next());
assertEquals(0, bi.Last());
assertEquals(BreakIterator.Done, bi.Previous());
assertEquals(BreakIterator.Done, bi.Following(0));
assertEquals(BreakIterator.Done, bi.Preceding(0));
assertEquals(0, bi.First());
assertEquals(BreakIterator.Done, bi.Next(13));
assertEquals(BreakIterator.Done, bi.Next(-8));
}
public virtual void TestConsumeWordInstance()
{
// we use the default locale, as its randomized by LuceneTestCase
var bi = BreakIterator.CreateWordInstance(Locale.GetUS());
var ci = CharArrayIterator.NewWordInstance();
for (var i = 0; i < 10000; i++)
{
var text = TestUtil.RandomUnicodeString(Random()).toCharArray();
ci.SetText(text, 0, text.Length);
Consume(bi, ci);
}
}
public virtual void testConsumeSentenceInstance()
{
// we use the default locale, as its randomized by LuceneTestCase
BreakIterator bi = BreakIterator.getSentenceInstance(Locale.Default);
CharArrayIterator ci = CharArrayIterator.newSentenceInstance();
for (int i = 0; i < 10000; i++)
{
char[] text = TestUtil.randomUnicodeString(random()).toCharArray();
ci.setText(text, 0, text.Length);
consume(bi, ci);
}
}
public override BreakIterator CreateBreakIterator(ULocale locale, int kind)
{
// TODO: convert to ULocale when service switches over
if (service.IsDefault)
{
return(CreateBreakInstance(locale, kind));
}
ULocale[] actualLoc = new ULocale[1];
BreakIterator iter = (BreakIterator)service.Get(locale, kind, actualLoc);
iter.SetLocale(actualLoc[0], actualLoc[0]); // services make no distinction between actual & valid
return(iter);
}
public static IEnumerable <string> Enumerate(this BreakIterator bi)
{
var sb = new StringBuilder();
string text = bi.GetCLRText();
int start = bi.First(), end = bi.Next();
while (end != BreakIterator.DONE)
{
yield return(text.Substring(start, end - start));
start = end; end = bi.Next();
}
}
/// <summary>
/// Set the <see cref="Text.BreakIterator"/> that will be used to restrict the points
/// at which matches are detected.
/// </summary>
/// <param name="breakIterator">
/// A <see cref="Text.BreakIterator"/> that will be used to restrict the
/// points at which matches are detected. If a match is
/// found, but the match's start or end index is not a
/// boundary as determined by the <see cref="Text.BreakIterator"/>,
/// the match will be rejected and another will be searched
/// for. If this parameter is <c>null</c>, no break
/// detection is attempted.
/// </param>
/// <seealso cref="Text.BreakIterator"/>
/// <stable>ICU 2.0</stable>
public virtual void SetBreakIterator(BreakIterator breakIterator)
{
search_.BreakIterator = breakIterator;
if (search_.BreakIterator != null)
{
// Create a clone of CharacterItearator, so it won't
// affect the position currently held by search_.text()
if (search_.Text != null)
{
search_.BreakIterator.SetText((CharacterIterator)search_.Text.Clone());
}
}
}
public virtual void TestConsumeSentenceInstance()
{
// we use the default locale, as its randomized by LuceneTestCase
BreakIterator bi = BreakIterator.GetSentenceInstance(CultureInfo.CurrentCulture);
var ci = CharArrayIterator.NewSentenceInstance();
for (var i = 0; i < 10000; i++)
{
var text = TestUtil.RandomUnicodeString(Random()).toCharArray();
ci.SetText(text, 0, text.Length);
Consume(bi, ci);
}
}
public static IEnumerable <Token> EnumerateTokens(this BreakIterator bi)
{
string text = bi.GetCLRText();
int start = bi.First(), end = bi.Next();
while (end != BreakIterator.DONE)
{
yield return(new Token(start, end, text.Substring(start, end - start), bi.GetRuleStatus()));
start = end;
end = bi.Next();
}
}
public void CanSetNewText_Null()
{
var locale = new Locale("en-US");
var text = "Good-day, kind sir ! Can I have a glass of water? I am very parched.";
string secondText = null;
using (var bi = BreakIterator.CreateCharacterInstance(locale))
{
bi.SetText(text);
Assert.Throws <ArgumentNullException>(() => bi.SetText(secondText));
}
}
public ThaiWordBreaker(BreakIterator wordBreaker)
{
if (wordBreaker == null)
{
throw new ArgumentNullException("wordBreaker");
}
this.wordBreaker = wordBreaker;
}
/// <summary>
/// Construct a new SegmenterBase, also supplying the AttributeFactory
/// </summary>
protected SegmentingTokenizerBase(AttributeFactory factory, TextReader reader, BreakIterator iterator)
: base(factory, reader)
{
offsetAtt = AddAttribute<IOffsetAttribute>();
this.iterator = iterator;
}
private void Consume(BreakIterator bi, CharacterIterator ci)
{
bi.SetText(ci.toString());
while (bi.Next() != BreakIterator.DONE)
{
;
}
}
/// <summary>
/// Construct a new SegmenterBase, using
/// the provided BreakIterator for sentence segmentation.
/// <para>
/// Note that you should never share BreakIterators across different
/// TokenStreams, instead a newly created or cloned one should always
/// be provided to this constructor.
/// </para>
/// </summary>
public SegmentingTokenizerBase(Reader reader, BreakIterator iterator) : this(AttributeFactory.DEFAULT_ATTRIBUTE_FACTORY, reader, iterator)
{
}
/// <summary>
/// Construct a new SegmenterBase, also supplying the AttributeFactory
/// </summary>
public SegmentingTokenizerBase(AttributeFactory factory, Reader reader, BreakIterator iterator) : base(factory, reader)
{
this.iterator = iterator;
}
private void consume(BreakIterator bi, CharacterIterator ci)
{
bi.Text = ci;
while (bi.next() != BreakIterator.DONE)
{
;
}
}
