decimalformat.java

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                    if (subparse(text, pos, exponentDigits, true, stat) &&
                    exponentDigits.fitsIntoLong(stat[STATUS_POSITIVE], true))
                    {
                    position = pos.index; // Advance past the exponent
                    exponent = (int)exponentDigits.getLong();
                    if (!stat[STATUS_POSITIVE]) exponent = -exponent;
                    sawExponent = true;
                    }
                    break; // Whether we fail or succeed, we exit this loop
                }
                else break;
            }

            if (backup != -1) position = backup;

            // If there was no decimal point we have an integer
            if (!sawDecimal) digits.decimalAt = digitCount; // Not digits.count!

            // Adjust for exponent, if any
            digits.decimalAt += exponent;

            // If none of the text string was recognized.  For example, parse
            // "x" with pattern "#0.00" (return index and error index both 0)
            // parse "$" with pattern "$#0.00". (return index 0 and error index
            // 1).
            if (!sawDigit && digitCount == 0) {
                parsePosition.index = oldStart;
                parsePosition.errorIndex = oldStart;
                return false;
            }
        }

        // check for positiveSuffix
        if (gotPositive)
            gotPositive = text.regionMatches(position,positiveSuffix,0,
                                             positiveSuffix.length());
        if (gotNegative)
            gotNegative = text.regionMatches(position,negativeSuffix,0,
                                             negativeSuffix.length());

        // if both match, take longest
        if (gotPositive && gotNegative) {
            if (positiveSuffix.length() > negativeSuffix.length())
                gotNegative = false;
            else if (positiveSuffix.length() < negativeSuffix.length())
                gotPositive = false;
        }

        // fail if neither or both
        if (gotPositive == gotNegative) {
            parsePosition.errorIndex = position;
            return false;
        }

        parsePosition.index = position +
            (gotPositive ? positiveSuffix.length() : negativeSuffix.length()); // mark success!

        status[STATUS_POSITIVE] = gotPositive;
        if (parsePosition.index == oldStart) {
            parsePosition.errorIndex = position;
            return false;
        }
        return true;
    }

    /**
     * Returns the decimal format symbols, which is generally not changed
     * by the programmer or user.
     * @return desired DecimalFormatSymbols
     * @see java.text.DecimalFormatSymbols
     */
    public DecimalFormatSymbols getDecimalFormatSymbols() {
        try {
            // don't allow multiple references
            return (DecimalFormatSymbols) symbols.clone();
        } catch (Exception foo) {
            return null; // should never happen
        }
    }


    /**
     * Sets the decimal format symbols, which is generally not changed
     * by the programmer or user.
     * @param newSymbols desired DecimalFormatSymbols
     * @see java.text.DecimalFormatSymbols
     */
    public void setDecimalFormatSymbols(DecimalFormatSymbols newSymbols) {
        try {
            // don't allow multiple references
            symbols = (DecimalFormatSymbols) newSymbols.clone();
            expandAffixes();
        } catch (Exception foo) {
            // should never happen
        }
    }

    /**
     * Get the positive prefix.
     * <P>Examples: +123, $123, sFr123
     */
    public String getPositivePrefix () {
        return positivePrefix;
    }

    /**
     * Set the positive prefix.
     * <P>Examples: +123, $123, sFr123
     */
    public void setPositivePrefix (String newValue) {
        positivePrefix = newValue;
        posPrefixPattern = null;
        positivePrefixFieldPositions = null;
    }

    /**
     * Returns the FieldPositions of the fields in the prefix used for
     * positive numbers. This is not used if the user has explicitly set
     * a positive prefix via <code>setPositivePrefix</code>. This is
     * lazily created.
     *
     * @return FieldPositions in positive prefix
     */
    private FieldPosition[] getPositivePrefixFieldPositions() {
        if (positivePrefixFieldPositions == null) {
            if (posPrefixPattern != null) {
                positivePrefixFieldPositions = expandAffix(posPrefixPattern);
            }
            else {
                positivePrefixFieldPositions = EmptyFieldPositionArray;
            }
        }
        return positivePrefixFieldPositions;
    }

    /**
     * Get the negative prefix.
     * <P>Examples: -123, ($123) (with negative suffix), sFr-123
     */
    public String getNegativePrefix () {
        return negativePrefix;
    }

    /**
     * Set the negative prefix.
     * <P>Examples: -123, ($123) (with negative suffix), sFr-123
     */
    public void setNegativePrefix (String newValue) {
        negativePrefix = newValue;
        negPrefixPattern = null;
    }

    /**
     * Returns the FieldPositions of the fields in the prefix used for
     * negative numbers. This is not used if the user has explicitly set
     * a negative prefix via <code>setNegativePrefix</code>. This is
     * lazily created.
     *
     * @return FieldPositions in positive prefix
     */
    private FieldPosition[] getNegativePrefixFieldPositions() {
        if (negativePrefixFieldPositions == null) {
            if (negPrefixPattern != null) {
                negativePrefixFieldPositions = expandAffix(negPrefixPattern);
            }
            else {
                negativePrefixFieldPositions = EmptyFieldPositionArray;
            }
        }
        return negativePrefixFieldPositions;
    }

    /**
     * Get the positive suffix.
     * <P>Example: 123%
     */
    public String getPositiveSuffix () {
        return positiveSuffix;
    }

    /**
     * Set the positive suffix.
     * <P>Example: 123%
     */
    public void setPositiveSuffix (String newValue) {
        positiveSuffix = newValue;
        posSuffixPattern = null;
    }

    /**
     * Returns the FieldPositions of the fields in the suffix used for
     * positive numbers. This is not used if the user has explicitly set
     * a positive suffix via <code>setPositiveSuffix</code>. This is
     * lazily created.
     *
     * @return FieldPositions in positive prefix
     */
    private FieldPosition[] getPositiveSuffixFieldPositions() {
        if (positiveSuffixFieldPositions == null) {
            if (posSuffixPattern != null) {
                positiveSuffixFieldPositions = expandAffix(posSuffixPattern);
            }
            else {
                positiveSuffixFieldPositions = EmptyFieldPositionArray;
            }
        }
        return positiveSuffixFieldPositions;
    }

    /**
     * Get the negative suffix.
     * <P>Examples: -123%, ($123) (with positive suffixes)
     */
    public String getNegativeSuffix () {
        return negativeSuffix;
    }

    /**
     * Set the positive suffix.
     * <P>Examples: 123%
     */
    public void setNegativeSuffix (String newValue) {
        negativeSuffix = newValue;
        negSuffixPattern = null;
    }

    /**
     * Returns the FieldPositions of the fields in the suffix used for
     * negative numbers. This is not used if the user has explicitly set
     * a negative suffix via <code>setNegativeSuffix</code>. This is
     * lazily created.
     *
     * @return FieldPositions in positive prefix
     */
    private FieldPosition[] getNegativeSuffixFieldPositions() {
        if (negativeSuffixFieldPositions == null) {
            if (negSuffixPattern != null) {
                negativeSuffixFieldPositions = expandAffix(negSuffixPattern);
            }
            else {
                negativeSuffixFieldPositions = EmptyFieldPositionArray;
            }
        }
        return negativeSuffixFieldPositions;
    }

    /**
     * Get the multiplier for use in percent, permill, etc.
     * For a percentage, set the suffixes to have "%" and the multiplier to be 100.
     * (For Arabic, use arabic percent symbol).
     * For a permill, set the suffixes to have "\u2031" and the multiplier to be 1000.
     * <P>Examples: with 100, 1.23 -> "123", and "123" -> 1.23
     */
    public int getMultiplier () {
        return multiplier;
    }

    /**
     * Set the multiplier for use in percent, permill, etc.
     * For a percentage, set the suffixes to have "%" and the multiplier to be 100.
     * (For Arabic, use arabic percent symbol).
     * For a permill, set the suffixes to have "\u2031" and the multiplier to be 1000.
     * <P>Examples: with 100, 1.23 -> "123", and "123" -> 1.23
     */
    public void setMultiplier (int newValue) {
        multiplier = newValue;
    }

    /**
     * Return the grouping size. Grouping size is the number of digits between
     * grouping separators in the integer portion of a number.  For example,
     * in the number "123,456.78", the grouping size is 3.
     * @see #setGroupingSize
     * @see java.text.NumberFormat#isGroupingUsed
     * @see java.text.DecimalFormatSymbols#getGroupingSeparator
     */
    public int getGroupingSize () {
        return groupingSize;
    }

    /**
     * Set the grouping size. Grouping size is the number of digits between
     * grouping separators in the integer portion of a number.  For example,
     * in the number "123,456.78", the grouping size is 3.
     * @see #getGroupingSize
     * @see java.text.NumberFormat#setGroupingUsed
     * @see java.text.DecimalFormatSymbols#setGroupingSeparator
     */
    public void setGroupingSize (int newValue) {
        groupingSize = (byte)newValue;
    }

    /**
     * Allows you to get the behavior of the decimal separator with integers.
     * (The decimal separator will always appear with decimals.)
     * <P>Example: Decimal ON: 12345 -> 12345.; OFF: 12345 -> 12345
     */
    public boolean isDecimalSeparatorAlwaysShown() {
        return decimalSeparatorAlwaysShown;
    }

    /**
     * Allows you to set the behavior of the decimal separator with integers.
     * (The decimal separator will always appear with decimals.)
     * <P>Example: Decimal ON: 12345 -> 12345.; OFF: 12345 -> 12345
     */
    public void setDecimalSeparatorAlwaysShown(boolean newValue) {
        decimalSeparatorAlwaysShown = newValue;
    }

    /**
     * Standard override; no change