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/*
    Copyright (C) 2012-2015 Carl Hetherington <cth@carlh.net>

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 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
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

*/

#define BOOST_TEST_DYN_LINK
#define BOOST_TEST_MODULE libdcp_test
#include "util.h"
#include "test.h"
#include <libxml++/libxml++.h>
#include <boost/test/unit_test.hpp>

using std::string;
using std::list;

boost::filesystem::path private_test;

struct TestConfig
{
	TestConfig()
	{
		dcp::init ();
		if (boost::unit_test::framework::master_test_suite().argc >= 2) {
			private_test = boost::unit_test::framework::master_test_suite().argv[1];
		}
	}
};

void
check_xml (xmlpp::Element* ref, xmlpp::Element* test, list<string> ignore)
{
	BOOST_CHECK_EQUAL (ref->get_name (), test->get_name ());
	BOOST_CHECK_EQUAL (ref->get_namespace_prefix (), test->get_namespace_prefix ());

	if (find (ignore.begin(), ignore.end(), ref->get_name()) != ignore.end ()) {
		return;
	}

	xmlpp::Element::NodeList ref_children = ref->get_children ();
	xmlpp::Element::NodeList test_children = test->get_children ();
	BOOST_REQUIRE_EQUAL (ref_children.size (), test_children.size ());

	xmlpp::Element::NodeList::iterator k = ref_children.begin ();
	xmlpp::Element::NodeList::iterator l = test_children.begin ();
	while (k != ref_children.end ()) {

		/* XXX: should be doing xmlpp::EntityReference, xmlpp::XIncludeEnd, xmlpp::XIncludeStart */

		xmlpp::Element* ref_el = dynamic_cast<xmlpp::Element*> (*k);
		xmlpp::Element* test_el = dynamic_cast<xmlpp::Element*> (*l);
		BOOST_CHECK ((ref_el && test_el) || (!ref_el && !test_el));
		if (ref_el && test_el) {
			check_xml (ref_el, test_el, ignore);
		}

		xmlpp::ContentNode* ref_cn = dynamic_cast<xmlpp::ContentNode*> (*k);
		xmlpp::ContentNode* test_cn = dynamic_cast<xmlpp::ContentNode*> (*l);
		BOOST_CHECK ((ref_cn && test_cn) || (!ref_cn && !test_cn));
		if (ref_cn && test_cn) {
			BOOST_CHECK_EQUAL (ref_cn->get_content(), test_cn->get_content ());
		}

		++k;
		++l;
	}

	xmlpp::Element::AttributeList ref_attributes = ref->get_attributes ();
	xmlpp::Element::AttributeList test_attributes = test->get_attributes ();
	BOOST_CHECK_EQUAL (ref_attributes.size(), test_attributes.size ());

	xmlpp::Element::AttributeList::const_iterator m = ref_attributes.begin();
	xmlpp::Element::AttributeList::const_iterator n = test_attributes.begin();
	while (m != ref_attributes.end ()) {
		BOOST_CHECK_EQUAL ((*m)->get_name(), (*n)->get_name());
		BOOST_CHECK_EQUAL ((*m)->get_value(), (*n)->get_value());

		++m;
		++n;
	}
}

void
check_xml (string ref, string test, list<string> ignore)
{
	xmlpp::DomParser* ref_parser = new xmlpp::DomParser ();
	ref_parser->parse_memory (ref);
	xmlpp::Element* ref_root = ref_parser->get_document()->get_root_node ();
	xmlpp::DomParser* test_parser = new xmlpp::DomParser ();
	test_parser->parse_memory (test);
	xmlpp::Element* test_root = test_parser->get_document()->get_root_node ();

	check_xml (ref_root, test_root, ignore);
}

BOOST_GLOBAL_FIXTURE (TestConfig);