transformations.cpp
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	/* This Source Code Form is subject to the terms of the Mozilla Public
	* License, v. 2.0. If a copy of the MPL was not distributed with this
	* file, You can obtain one at http://mozilla.org/MPL/2.0/.
	*
	* transformation.cpp
	*
	* Author: pgess <v.melnychenko@xreate.org>
	* Created on March 27, 2017, 4:04 PM
	*/

	#include "transformations.h"

	namespace xreate { namespace compilation {

	std::list<Transformer*>
	TransformationsManager::getRelevantTransformers(const Expression& expression){
	std::list<Transformer*> result;

	for (auto tag: expression.tags) {
	if (__subscriptions.count(tag.first)){
	auto handlers = __subscriptions.equal_range(tag.first);

	for (auto handler = handlers.first; handler != handlers.second; ++handler){
	result.push_back(__transformers[handler->second]);
	}
	}
	}

	return result;
	}

	} } //namespace xreate