Examples of com.ibm.icu.text.UnicodeSet.charAt()

com.ibm.icu.text.UnicodeSet.charAt()
Returns the character at the given index within this set, where the set is ordered by ascending code point. If the index is out of range, return -1. The inverse of this method is indexOf(). @param index an index from 0..size()-1 @return the character at the given index, or -1. @stable ICU 2.0

        int count = shapingTypes.size();
        
        System.out.println("There are " + count + " characters with a joining type.");
        
        for(int i = 0; i < count; i += 1) {
            int ch = shapingTypes.charAt(i);
            
            classTable.addMapping(ch, UCharacter.getIntPropertyValue(ch, UProperty.JOINING_TYPE));
        }
        
        LigatureModuleWriter writer = new LigatureModuleWriter();

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        int total = 0;
        
        System.out.println("There are " + count + " mirrored characters.");
        
        for(int i = 0; i < count; i += 1) {
            int ch = mirrored.charAt(i);
            int m  = UCharacter.getMirror(ch);
            
            if (ch != m) {
                chars[total] = ch & 0xFFFF;
                mirrors[total++] = m & 0xFFFF;

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        exceptions.addMapping(0x0653,  32); // ARABIC MADDAH ABOVE
        
        exceptions.snapshot();
        
        for (int i = 0; i < markCount; i += 1) {
            int mark = markSet.charAt(i);
            int markClass = exceptions.getGlyphClassID(mark);
            
            if (markClass == 0) {
                markClass = UCharacter.getCombiningClass(mark);
            }

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                if (temp.size() == 0) {
                    continue;
                }
                final String prefix = "a";
                final String suffix = "b";
                String shouldMatch = prefix + UTF16.valueOf(temp.charAt(0)) + suffix;
                temp.complement();
                String shouldNotMatch = prefix + UTF16.valueOf(temp.charAt(0)) + suffix;


                // posix style pattern
                String rawPattern = prefix + "[:" + propName + "=" + valueName + ":]" + suffix;

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                }
                final String prefix = "a";
                final String suffix = "b";
                String shouldMatch = prefix + UTF16.valueOf(temp.charAt(0)) + suffix;
                temp.complement();
                String shouldNotMatch = prefix + UTF16.valueOf(temp.charAt(0)) + suffix;


                // posix style pattern
                String rawPattern = prefix + "[:" + propName + "=" + valueName + ":]" + suffix;
                String rawNegativePattern = prefix + "[:^" + propName + "=" + valueName + ":]" + suffix;
                checkCharPattern(UnicodeRegex.compile(rawPattern), rawPattern, shouldMatch, shouldNotMatch);

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   * Test the indexOf() and charAt() methods.
   */
  public void TestIndexOf() {
    UnicodeSet set = new UnicodeSet("[a-cx-y3578]");
    for (int i=0; i<set.size(); ++i) {
      int c = set.charAt(i);
      if (set.indexOf(c) != i) {
        errln("FAIL: charAt(" + i + ") = " + c +
            " => indexOf() => " + set.indexOf(c));
      }
    }

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      if (set.indexOf(c) != i) {
        errln("FAIL: charAt(" + i + ") = " + c +
            " => indexOf() => " + set.indexOf(c));
      }
    }
    int c = set.charAt(set.size());
    if (c != -1) {
      errln("FAIL: charAt(<out of range>) = " +
          Utility.escape(String.valueOf(c)));
    }
    int j = set.indexOf('q');

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        StringBuffer testBuffer = new StringBuffer();
        for (int script = 0; script < UScript.CODE_LIMIT; ++script) {
            UnicodeSet test = new UnicodeSet().applyPropertyAlias("script", UScript.getName(script));
            int count = Math.min(20, test.size());
            for (int i = 0; i < count; ++i){
                testBuffer.append(UTF16.valueOf(test.charAt(i)));
            }
        }
        String test = testBuffer.toString();
        logln("Test line: " + test);

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        }
        for (i=0; i<TESTSTRINGLEN; i++) {
            int        aClassNum = m_rand() % numCharClasses;
            UnicodeSet classSet  = (UnicodeSet)chClasses.get(aClassNum);
            int        charIdx   = m_rand() % classSet.size();
            int        c         = classSet.charAt(charIdx);
            if (c < 0) {   // TODO:  deal with sets containing strings.
                errln("c < 0");
            }
            UTF16.appendCodePoint(testText, c);
            if (printTestData) {

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