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//
// Author: Lorenzo Bettini <http://www.lorenzobettini.it>, (C) 2004-2008
//
// Copyright: See COPYING file that comes with this distribution
//
#ifndef FORMATTERFACTORY_H_
#define FORMATTERFACTORY_H_
#include <string>
#include <list>
#include <boost/shared_ptr.hpp>
using std::string;
namespace srchilite {
/// constants indicating boldface, italics, etc.
enum StyleConstant {
ISBOLD = 1, ///< bold
ISITALIC, ///< italics
ISUNDERLINE, ///< underline
ISFIXED, ///< fixed size
ISNOTFIXED, ///< non fixed size
ISNOREF ///< must not contain references
};
/// collection of StyleConstant objects
typedef std::list<StyleConstant> StyleConstants;
/// shared pointer for StyleConstants
typedef boost::shared_ptr<StyleConstants> StyleConstantsPtr;
/// iterator for StyleConstants
typedef StyleConstants::const_iterator StyleConstantsIterator;
/**
* The generic abstract factory to create Formatter objects, during the
* parsing of style files. Note that creation methods do not return a specific
* object, so that the implementation of where to store the Formatter objects
* themselves is left completely to the programmer (and does not couple the factory
* to a specific collection).
*/
class FormatterFactory {
public:
virtual ~FormatterFactory() {
}
/**
* Creates a formatter for the specific language element (identified by
* key) with the passed style parameters
*
* @param key the language element represented
* @param color the color
* @param bgcolor the background color
* @param styleconstants additional formatting information (e.g., bold, italics, etc.)
* @return false if a formatter for the specific key is already present
*/
virtual bool createFormatter(const string &key, const string &color,
const string &bgcolor, StyleConstantsPtr styleconstants) = 0;
};
}
#endif /*FORMATTERFACTORY_H_*/
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