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ICU-12533 Loading capitilization context for LocaleDisplayNames using data sink.

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X-SVN-Rev: 38771
This commit is contained in:
Shane Carr 2016-05-29 23:44:49 +00:00
parent 84b42ae4d1
commit f2cf8cd5ac
1 changed files with 28 additions and 23 deletions
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51
icu4j/main/classes/core/src/com/ibm/icu/impl/LocaleDisplayNamesImpl.java
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@ -29,7 +29,6 @@ import com.ibm.icu.text.DisplayContext.Type;
import com.ibm.icu.text.LocaleDisplayNames;
import com.ibm.icu.util.ULocale;
import com.ibm.icu.util.UResourceBundle;
import com.ibm.icu.util.UResourceBundleIterator;
public class LocaleDisplayNamesImpl extends LocaleDisplayNames {
private final ULocale locale;
@ -97,6 +96,30 @@ public class LocaleDisplayNamesImpl extends LocaleDisplayNames {
}
}
private final class CapitalizationContextSink extends UResource.Sink {
boolean hasCapitalizationUsage = false;
@Override
public void put(UResource.Key key, UResource.Value value, boolean noFallback) {
UResource.Table contextsTable = value.getTable();
for (int i = 0; contextsTable.getKeyAndValue(i, key, value); ++i) {
CapitalizationContextUsage usage = contextUsageTypeMap.get(key.toString());
if (usage == null) { continue; };
int[] intVector = value.getIntVector();
if (intVector.length < 2) { continue; }
int titlecaseInt = (capitalization == DisplayContext.CAPITALIZATION_FOR_UI_LIST_OR_MENU)
? intVector[0] : intVector[1];
if (titlecaseInt == 0) { continue; }
capitalizationUsage[usage.ordinal()] = true;
hasCapitalizationUsage = true;
}
}
}
public LocaleDisplayNamesImpl(ULocale locale, DialectHandling dialectHandling) {
this(locale, (dialectHandling==DialectHandling.STANDARD_NAMES)? DisplayContext.STANDARD_NAMES: DisplayContext.DIALECT_NAMES,
DisplayContext.CAPITALIZATION_NONE);
@ -173,32 +196,14 @@ public class LocaleDisplayNamesImpl extends LocaleDisplayNames {
capitalization == DisplayContext.CAPITALIZATION_FOR_STANDALONE) {
capitalizationUsage = new boolean[CapitalizationContextUsage.values().length]; // initialized to all false
ICUResourceBundle rb = (ICUResourceBundle)UResourceBundle.getBundleInstance(ICUData.ICU_BASE_NAME, locale);
UResourceBundle contextTransformsBundle = null;
CapitalizationContextSink sink = new CapitalizationContextSink();
try {
contextTransformsBundle = (UResourceBundle)rb.getWithFallback("contextTransforms");
rb.getAllItemsWithFallback("contextTransforms", sink);
}
catch (MissingResourceException e) {
contextTransformsBundle = null; // probably redundant
}
if (contextTransformsBundle != null) {
UResourceBundleIterator ctIterator = contextTransformsBundle.getIterator();
while ( ctIterator.hasNext() ) {
UResourceBundle contextTransformUsage = ctIterator.next();
int[] intVector = contextTransformUsage.getIntVector();
if (intVector.length >= 2) {
String usageKey = contextTransformUsage.getKey();
CapitalizationContextUsage usage = contextUsageTypeMap.get(usageKey);
if (usage != null) {
int titlecaseInt = (capitalization == DisplayContext.CAPITALIZATION_FOR_UI_LIST_OR_MENU)?
intVector[0]: intVector[1];
if (titlecaseInt != 0) {
capitalizationUsage[usage.ordinal()] = true;
needBrkIter = true;
}
}
}
}
// Silently ignore. Not every locale has contextTransforms.
}
needBrkIter = sink.hasCapitalizationUsage;
}
// Get a sentence break iterator if we will need it
if (needBrkIter || capitalization == DisplayContext.CAPITALIZATION_FOR_BEGINNING_OF_SENTENCE) {