/*
 * Copyright 1999-2004 The Apache Software Foundation.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#if !defined(XALANNUMBERFORMAT_HEADER_GUARD_1357924680)
#define XALANNUMBERFORMAT_HEADER_GUARD_1357924680


// Base include file.  Must be first.
#include <xalanc/PlatformSupport/PlatformSupportDefinitions.hpp>


#include <xalanc/XalanDOM/XalanDOMString.hpp>


XALAN_CPP_NAMESPACE_BEGIN


class XALAN_PLATFORMSUPPORT_EXPORT XalanNumberFormat
{
public:

	explicit
	XalanNumberFormat();

	virtual
	~XalanNumberFormat();

	/**
	 * Format a number into a string.
	 *
	 * @param theValue number to format
	 * @return string representation of number
	 */
	virtual XalanDOMString
	format(double	theValue);

	/**
	 * Format a number into a string.
	 *
	 * @param theValue number to format
	 * @param theResult the string result
	 */
	virtual void
	format(
			double				theValue,
			XalanDOMString&		theResult);

	/**
	 * Format a number into a string.
	 *
	 * @param theValue number to format
	 * @return string representation of number
	 */
	virtual XalanDOMString
	format(int	theValue);

	/**
	 * Format a number into a string.
	 *
	 * @param theValue number to format
	 * @param theResult the string result
	 */
	virtual void
	format(
			int					theValue,
			XalanDOMString&		theResult);

	/**
	 * Format a number into a string.
	 *
	 * @param theValue number to format
	 * @return string representation of number
	 */
	virtual XalanDOMString
	format(unsigned int		theValue);

	/**
	 * Format a number into a string.
	 *
	 * @param theValue number to format
	 * @param theResult the string result
	 */
	virtual void
	format(
			unsigned int		theValue,
			XalanDOMString&		theResult);

	/**
	 * Format a number into a string.
	 *
	 * @param theValue number to format
	 * @return string representation of number
	 */
	virtual XalanDOMString
	format(long		theValue);

	/**
	 * Format a number into a string.
	 *
	 * @param theValue number to format
	 * @param theResult the string result
	 */
	virtual void
	format(
			long				theValue,
			XalanDOMString&		theResult);

	/**
	 * Format a number into a string.
	 *
	 * @param theValue number to format
	 * @return string representation of number
	 */
	virtual XalanDOMString
	format(unsigned long	theValue);

	/**
	 * Format a number into a string.
	 *
	 * @param theValue number to format
	 * @param theResult the string result
	 */
	virtual void
	format(
			unsigned long		theValue,
			XalanDOMString&		theResult);

	/**
	 * Whether groupings are used for numbers, for example, "234,678"
	 *
	 * @return true if grouping used
	 */
	virtual bool
	isGroupingUsed() const;

	/**
	 * Change whether groupings are used for numbers, for example, "234,678"
	 *
	 * @param bUsed true to use grouping
	 */
	virtual void
	setGroupingUsed(bool bUsed);

	/**
	 * Change the size of groupings, for example, "234,678" uses a size of "3"
	 *
	 * @param size the grouping size
	 */
	virtual void
	setGroupingSize(unsigned long	size);

	/**
	 * Change the separator string used for groupings, for example, "234,678"
	 * uses the separator ","
	 *
	 * @param s grouping separator string
	 */
	virtual void
	setGroupingSeparator(const XalanDOMString&	s);

protected:

	void
	applyGrouping(
			const XalanDOMString&		value,
			XalanDOMString&				result);

private:

	// Not implemented...
	XalanNumberFormat(const XalanNumberFormat&);

	XalanNumberFormat&
	operator=(const XalanNumberFormat&);

	bool
	operator==(const XalanNumberFormat&);

	// Data members...
	bool						m_isGroupingUsed;

	XalanDOMString				m_groupingSeparator;

	unsigned long				m_groupingSize;

	static const XalanDOMChar	s_defaultGroupingSeparator[];
};


XALAN_CPP_NAMESPACE_END


#endif	// XALANNUMBERFORMAT_HEADER_GUARD_1357924680