/* Copyright (C) 2011 Adam Wardyński, Tomasz Śniatowski, Paweł Kędzia, Adam Radziszewski, Bartosz Broda Part of the WCCL project This program is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the LICENSE, COPYING.LESSER and COPYING files for more details. */ #include <libwccl/ops/tagrule.h> #include <sstream> namespace Wccl { Bool TagRule::execute(SentenceContext &sentence_context) { if(sentence_context.size() == 0) { throw InvalidArgument( "sentence_context", "Received an empty sentence."); } if(!sentence_context.is_current_inside()) { throw InvalidArgument( "sentence_context", "Current position is outside boundaries of the sentence."); } Bool changed(false); ActionExecContext aec(sentence_context, variables_); if(condition_->apply(aec)->get_value()) { BOOST_FOREACH (const boost::shared_ptr<TagAction>& action, *actions_) { if(action->execute(aec).get_value()) { changed.set_value(true); } } } return changed; } const boost::shared_ptr<const Function<Bool> > TagRule::TrueCondition() { static boost::shared_ptr<const Function<Bool> > true_constant( new Constant<Bool>(Bool(true))); return true_constant; } std::string TagRule::to_string(const Corpus2::Tagset &tagset) const { std::ostringstream os; os << "rule(\"" << name_ << "\", " << condition_->to_string(tagset); BOOST_FOREACH (const boost::shared_ptr<TagAction>& action, *actions_) { os << ", " << action->to_string(tagset); } os << ")"; return os.str(); } std::ostream& TagRule::write_to(std::ostream& os) const { os << "rule(\"" << name_ << "\", " << *condition_; BOOST_FOREACH (const boost::shared_ptr<TagAction>& action, *actions_) { os << ", " << *action; } os << ")"; return os; } } /* end ns Wccl */