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);
}
/// <summary>
/// Register a new break iterator of the indicated kind, to use in the given
/// locale. Clones of the iterator will be returned if a request for a break
/// iterator of the given kind matches or falls back to this locale.
/// </summary>
///
/// <param name="iter">the BreakIterator instance to adopt.</param>
/// <param name="locale">the Locale for which this instance is to be registered</param>
/// <param name="kind">the type of iterator for which this instance is to beregistered</param>
/// <returns>a registry key that can be used to unregister this instance</returns>
/// @stable ICU 3.2
public static Object RegisterInstance(BreakIterator iter, ULocale locale,
int kind)
{
// If the registered object matches the one in the cache, then
// flush the cached object.
if (iterCache[kind] != null)
{
BreakIterator.BreakIteratorCache cache = (BreakIterator.BreakIteratorCache)iterCache[kind].Target;
if (cache != null)
{
if (cache.GetLocale().Equals(locale))
{
iterCache[kind] = null;
}
}
}
return(GetShim().RegisterInstance(iter, locale, kind));
}
// end of registration
/// <exclude/>
/// <summary>
/// Get a particular kind of BreakIterator for a locale. Avoids writing a
/// switch statement with getXYZInstance(where) calls.
/// </summary>
///
public static BreakIterator GetBreakInstance(ULocale where, int kind)
{
if (iterCache[kind] != null)
{
BreakIterator.BreakIteratorCache cache = (BreakIterator.BreakIteratorCache)iterCache[kind].Target;
if (cache != null)
{
if (cache.GetLocale().Equals(where))
{
return(cache.CreateBreakInstance());
}
}
}
// sigh, all to avoid linking in ICULocaleData...
BreakIterator result = GetShim().CreateBreakIterator(where, kind);
BreakIterator.BreakIteratorCache cache_0 = new BreakIterator.BreakIteratorCache(where, result);
iterCache[kind] = new WeakReference(cache_0);
return(result);
}
// protected constructor ----------------------------------------------
/// <summary>
/// Protected constructor for use by subclasses. Initializes the iterator
/// with the argument target text for searching and sets the BreakIterator.
/// See class documentation for more details on the use of the target text
/// and BreakIterator.
/// </summary>
///
/// <param name="target">The target text to be searched.</param>
/// <param name="breaker">A <see cref="T:IBM.ICU.Text.BreakIterator"/> that is used to determine theboundaries of a logical match. This argument can be null.</param>
/// <exception cref="IllegalArgumentException">thrown when argument target is null, or of length 0</exception>
/// <seealso cref="T:IBM.ICU.Text.BreakIterator"/>
/// @stable ICU 2.0
protected internal SearchIterator(ICharacterIterator target, BreakIterator breaker)
{
if (target == null ||
(target.GetEndIndex() - target.GetBeginIndex()) == 0)
{
throw new ArgumentException("Illegal argument target. "
+ " Argument can not be null or of length 0");
}
targetText = target;
breakIterator = breaker;
if (breakIterator != null)
{
breakIterator.SetText(target);
}
matchLength = 0;
m_lastMatchStart_ = DONE;
m_isOverlap_ = false;
m_isForwardSearching_ = true;
m_reset_ = true;
m_setOffset_ = DONE;
}
public abstract Object RegisterInstance(BreakIterator iter_0, ULocale l,
int k);
internal BreakIteratorCache(ULocale where_0, BreakIterator iter_1)
{
this.where = where_0;
this.iter = (BreakIterator)iter_1.Clone();
}
/// <summary>
/// Register a new break iterator of the indicated kind, to use in the given
/// locale. Clones of the iterator will be returned if a request for a break
/// iterator of the given kind matches or falls back to this locale.
/// </summary>
///
/// <param name="iter">the BreakIterator instance to adopt.</param>
/// <param name="locale">the Locale for which this instance is to be registered</param>
/// <param name="kind">the type of iterator for which this instance is to beregistered</param>
/// <returns>a registry key that can be used to unregister this instance</returns>
/// @stable ICU 2.4
public static Object RegisterInstance(BreakIterator iter, ILOG.J2CsMapping.Util.Locale locale,
int kind)
{
return(RegisterInstance(iter, IBM.ICU.Util.ULocale.ForLocale(locale), kind));
}
public override Object RegisterInstance(BreakIterator iter, ULocale locale, int kind)
{
iter.SetText(new ILOG.J2CsMapping.Text.StringCharacterIterator(""));
return(service.RegisterObject(iter, locale, kind));
}
private static BreakIterator CreateBreakInstance(ULocale locale, int kind)
{
BreakIterator iter = null;
ICUResourceBundle rb = (ICUResourceBundle)IBM.ICU.Util.UResourceBundle
.GetBundleInstance(IBM.ICU.Impl.ICUResourceBundle.ICU_BRKITR_BASE_NAME,
locale);
//
// Get the binary rules. These are needed for both normal
// RulesBasedBreakIterators
// and for Dictionary iterators.
//
Stream ruleStream = null;
try {
String typeKey = KIND_NAMES[kind];
String brkfname = rb.GetStringWithFallback("boundaries/" + typeKey);
String rulesFileName = IBM.ICU.Impl.ICUResourceBundle.ICU_BASE_NAME /*+
* IBM.ICU.Impl.ICUResourceBundle.ICU_BUNDLE*/
+ IBM.ICU.Impl.ICUResourceBundle.ICU_BRKITR_NAME + "/" + brkfname;
ruleStream = IBM.ICU.Impl.ICUData.GetStream(rulesFileName);
} catch (Exception e) {
throw new MissingManifestResourceException(e.ToString());
}
//
// Check whether a dictionary exists, and create a DBBI iterator is
// one does.
//
if (DICTIONARY_POSSIBLE[kind])
{
// This type of break iterator could potentially use a dictionary.
//
try {
// ICUResourceBundle dictRes =
// (ICUResourceBundle)rb.getObject("BreakDictionaryData");
// byte[] dictBytes = null;
// dictBytes = dictRes.getBinary(dictBytes);
// TODO: Hard code this for now! fix it once
// CompactTrieDictionary is ported
if (locale.Equals("th"))
{
String fileName = "data/th.brk";
Stream mask0 = IBM.ICU.Impl.ICUData.GetStream(fileName);
iter = new DictionaryBasedBreakIterator(ruleStream, mask0);
}
} catch (MissingManifestResourceException e_0) {
// Couldn't find a dictionary.
// This is normal, and will occur whenever creating a word or
// line
// break iterator for a locale that does not have a
// BreakDictionaryData
// resource - meaning for all but Thai.
// Fall through to creating a normal RulebasedBreakIterator.
} catch (IOException e_1) {
IBM.ICU.Impl.Assert.Fail(e_1);
}
}
if (iter == null)
{
//
// Create a normal RuleBasedBreakIterator.
// We have determined that this is not supposed to be a dictionary
// iterator.
//
try {
iter = IBM.ICU.Text.RuleBasedBreakIterator
.GetInstanceFromCompiledRules(ruleStream);
} catch (IOException e_2) {
// Shouldn't be possible to get here.
// If it happens, the compiled rules are probably corrupted in
// some way.
IBM.ICU.Impl.Assert.Fail(e_2);
}
}
// TODO: Determine valid and actual locale correctly.
ULocale uloc = IBM.ICU.Util.ULocale.ForLocale(rb.GetLocale());
iter.SetLocale(uloc, uloc);
return(iter);
}
public void SetBreakIterator(BreakIterator bi_0)
{
this.bi = bi_0;
}
