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#ifndef __SITECING_FILE_FACTORY_H
#define __SITECING_FILE_FACTORY_H

#include <string>
#include <list>

/**
 * @file
 * @brief the file_factory class declaration.
 */

namespace sitecing {
    using namespace std;

    /**
     * The factory class. Does the job similar to that which is done by make
     * utility.
     */
    class file_factory {
	public:
	    /**
	     * The recursion depth.
	     */
	    int depth;
	    /**
	     * The list of files type. The list of strings, in fact.
	     */
	    typedef list<string> file_list_t;

	    file_factory()
		: depth(0) { }

	    /**
	     * Fetch depndencies for the given file.
	     * @param dst destination file.
	     * @param deps where to put dependencies to.
	     */
	    virtual void get_dependencies(const string& dst,file_list_t& deps) = 0;
	    /**
	     * Check if the destination is up to day.
	     * @param the destination file.
	     * @param deps if the deps pointer is non there, the dependencies
	     * retrieved will be stored there.
	     * @return true if yes.
	     * @see get_dependencies()
	     */
	    virtual bool is_uptodate(const string& dst,file_list_t* deps=0);
	    /**
	     * Build the file requested.
	     * @param dst the file requested.
	     */
	    virtual void build(const string& dst) = 0;
	    /**
	     * Make the file requested, which means: build it, unless it's
	     * uptodate.
	     * @see is_uptodate()
	     * @see build()
	     */
	    virtual void make(const string& dst);
    };

}

#endif /* __SITECING_FILE_FACTORY_H */