/* The contents of this file are subject to the Mozilla Public License Version 
 * 1.1 (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.mozilla.org/MPL/
 * 
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 * 
 * The Original Code is Libvoikko: Library of natural language processing tools.
 * The Initial Developer of the Original Code is Harri Pitkänen <hatapitk@iki.fi>.
 * Portions created by the Initial Developer are Copyright (C) 2009 - 2010
 * the Initial Developer. All Rights Reserved.
 * 
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *********************************************************************************/

#include "spellchecker/suggestion/SuggestionStrategy.hpp"

using namespace std;

namespace libvoikko { namespace spellchecker { namespace suggestion {

SuggestionStrategy::SuggestionStrategy(size_t maxCost) :
	maxCost(maxCost) { }

SuggestionStrategy::~SuggestionStrategy() {
	list<SuggestionGenerator *>::iterator i = generators.begin();
	for (; i != generators.end(); ++i) {
		delete *i;
	}
	i = primaryGenerators.begin();
	for (; i != primaryGenerators.end(); ++i) {
		delete *i;
	}
}

void SuggestionStrategy::generate(SuggestionStatus * s) const {
	s->setMaxCost(this->maxCost);

	list<SuggestionGenerator *>::const_iterator i = primaryGenerators.begin();
	for (; i != primaryGenerators.end() && !s->shouldAbort(); ++i) {
		(*i)->generate(s);
	}
	if (s->getSuggestionCount() > 0) {
		// suggestion generated by primary generator, skip other generators.
		return;
	}

	i = generators.begin();
	for (; i != generators.end() && !s->shouldAbort(); ++i) {
		(*i)->generate(s);
	}
}

}}}