Examples of java.text.CharacterIterator.previous()

java.text.CharacterIterator.previous()
Decrements the iterator's index by one and returns the character at the new index. If the current index is getBeginIndex(), the index remains at getBeginIndex() and a value of DONE is returned. @return the character at the new position or DONE if the currentposition is equal to getBeginIndex().

          // valid pair
          size += 4;
        } else {
          // invalid pair
          size += 3;
          iter.previous(); // rewind one
        }
      } else if (ch < 0x80) {
        size++;
      } else if (ch < 0x800) {
        size += 2;

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          // valid pair
          size += 4;
        } else {
          // invalid pair
          size += 3;
          iter.previous(); // rewind one
        }
      } else if (ch < 0x80) {
        size++;
      } else if (ch < 0x800) {
        size += 2;

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          // valid pair
          size += 4;
        } else {
          // invalid pair
          size += 3;
          iter.previous(); // rewind one
        }
      } else if (ch < 0x80) {
        size++;
      } else if (ch < 0x800) {
        size += 2;

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          // valid pair
          size += 4;
        } else {
          // invalid pair
          size += 3;
          iter.previous(); // rewind one
        }
      } else if (ch < 0x80) {
        size++;
      } else if (ch < 0x800) {
        size += 2;

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        while(movesIndex<moves.length()) {
            m=moves.charAt(movesIndex++);
            if(m=='-') {
                c1=wrap_ci.previous();
                c2=ci.previous();
            } else if(m=='0') {
                c1=wrap_ci.current();
                c2=ci.current();
            } else  {// m=='+' 
                c1=wrap_ci.next();

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            // could be a typo in the middle of a word.
            if (fIter.getIndex() < rangeEnd && wordLength > 0) {
                if (words[wordsFound%THAI_LOOKAHEAD].candidates(fIter, fDictionary, rangeEnd) <= 0 &&
                        fSuffixSet.contains(uc = fIter.current())) {
                    if (uc == THAI_PAIYANNOI) {
                        if (!fSuffixSet.contains(fIter.previous())) {
                            // Skip over previous end and PAIYANNOI
                            fIter.next();
                            fIter.next();
                            wordLength += 1;
                            uc = fIter.current();

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                            // Restore prior position
                            fIter.next();
                        }
                    }
                    if (uc == THAI_MAIYAMOK) {
                        if (fIter.previous() != THAI_MAIYAMOK) {
                            // Skip over previous end and MAIYAMOK
                            fIter.next();
                            fIter.next();
                            wordLength += 1;
                        } else {

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          // valid pair
          size += 4;
        } else {
          // invalid pair
          size += 3;
          iter.previous(); // rewind one
        }
      } else if (ch < 0x80) {
        size++;
      } else if (ch < 0x800) {
        size += 2;

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          // valid pair
          size += 4;
        } else {
          // invalid pair
          size += 3;
          iter.previous(); // rewind one
        }
      } else if (ch < 0x80) {
        size++;
      } else if (ch < 0x800) {
        size += 2;

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            if (!inField && c == FIELD_BOUNDARY) {
                inField = true;
                fb.setLength(0);
            } else if (inField && c == FIELD_BOUNDARY) {
                int mark = chit.getIndex();
                char previousChar = chit.previous();
                if (previousChar == ESCAPE) {
                    fb.deleteCharAt(fb.length() - 1);
                    fb.append(c);
                } else {
                    inField = false;

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