See com.ibm.icu.text.UCharacterTypeIterator for examples of use.
+ *Notes for porting utrie_enum from icu4c to icu4j:
+ * Internally, icu4c's utrie_enum performs all iterations in its body. In Java
+ * sense, the caller will have to pass a object with a callback function
+ * UTrieEnumRange(const void *context, UChar32 start, UChar32 limit,
+ * uint32_t value) into utrie_enum. utrie_enum will then find ranges of
+ * codepoints with the same value as determined by
+ * UTrieEnumValue(const void *context, uint32_t value). for each range,
+ * utrie_enum calls the callback function to perform a task. In this way,
+ * icu4c performs the iteration within utrie_enum.
+ * To follow the JDK model, icu4j is slightly different from icu4c.
+ * Instead of requesting the caller to implement an object for a callback.
+ * The caller will have to implement a subclass of TrieIterator, fleshing out
+ * the method extract(int) (equivalent to UTrieEnumValue). Independent of icu4j,
+ * the caller will have to code his own iteration and flesh out the task
+ * (equivalent to UTrieEnumRange) to be performed in the iteration loop.
+ *
- * UCharacterTypeIterator iterator = UCharacter.getUCharacterTypeIterator();
- * while (iterator.next()) {
+ * RangeValueIterator iterator = UCharacter.getTypeIterator();
+ * RangeValueIterator.Element element = new RangeValueIterator.Element();
+ * while (iterator.next(element)) {
* System.out.println("Codepoint \\u" +
- * Integer.toHexString(iterator.getStart()) +
+ * Integer.toHexString(element.start) +
* " to codepoint \\u" +
- * Integer.toHexString(iterator.getLimit() - 1) +
- * " has the character type " + iterator.getValue());
+ * Integer.toHexString(element.limit - 1) +
+ * " has the character type " +
+ * element.value);
* }
*
* @author synwee