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//
// C++ Interface: preformatter
//
// Description:
//
//
// Author: Lorenzo Bettini <http://www.lorenzobettini.it>, (C) 2005
//
// Copyright: See COPYING file that comes with this distribution
//
//
#ifndef PREFORMATTER_H
#define PREFORMATTER_H
#include <string>
#include <boost/shared_ptr.hpp>
namespace srchilite {
class PreFormatter;
/// shared pointer for PreFormatter
typedef boost::shared_ptr<PreFormatter> PreFormatterPtr;
/**
Preformats text to be generated. This implements the
Decorator pattern, thus yielding a chain of preformatters
@author Lorenzo Bettini
*/
class PreFormatter {
/// the possible nested preformatter (Decorator pattern)
PreFormatterPtr decorator;
public:
/**
* @param f the nested decorated preformatter
*/
PreFormatter(PreFormatterPtr f = PreFormatterPtr());
virtual ~PreFormatter();
/**
* Sets the nested preformatter
* @param f the nested (decorated) preformatter
*/
void setPreFormatter(PreFormatterPtr f);
/**
* Preformats the passed string (public version)
* @param text the string to be preformatted
* @return the preformatted string
*/
const std::string preformat(const std::string &text);
protected:
/**
* Preformats the passed string (protected version). The subclasses must
* redefine this method to perform the preformatting. The default implementation
* does not perform any preformatting.
* @param text the string to be preformatted
* @return the preformatted string
*/
virtual const std::string doPreformat(const std::string &text);
};
}
#endif
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