1 /**

     2  * Relational pipes

     3  * Copyright © 2020 František Kučera (Frantovo.cz, GlobalCode.info)

     4  *

     5  * This program is free software: you can redistribute it and/or modify

     6  * it under the terms of the GNU General Public License as published by

     7  * the Free Software Foundation, version 3 of the License.

     8  *

     9  * This program is distributed in the hope that it will be useful,

    10  * but WITHOUT ANY WARRANTY; without even the implied warranty of

    11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

    12  * GNU General Public License for more details.

    13  *

    14  * You should have received a copy of the GNU General Public License

    15  * along with this program. If not, see <http://www.gnu.org/licenses/>.

    16  */

    17 

    18 #include "streamlet-common.h"

    19 

    20 #include <libxml++-2.6/libxml++/libxml++.h>

    21 

    22 class XPathStreamlet : public Streamlet {

    23 

    24 	std::vector<AttributeMetadata> getOutputAttributesMetadata() override {

    25 		std::vector<AttributeMetadata> oam;

    26 		oam.push_back({getAlias(0, L"xpath"), L"string"});

    27 		return oam;

    28 	}

    29 

    30 	std::vector<OutputAttribute> getOutputAttributes() override {

    31 		std::vector<OutputAttribute> oa;

    32 

    33 		try {

    34 			xmlpp::DomParser parser;

    35 			parser.parse_file(convertor.to_bytes(currentFile));

    36 			xmlpp::Element* root = parser.get_document()->get_root_node();

    37 			oa.push_back({L"XML OK", false});

    38 		} catch (...) {

    39 			oa.push_back({L"invalid XML", true});

    40 		}

    41 

    42 		return oa;

    43 	}

    44 };

    45 

    46 STREAMLET_RUN(XPathStreamlet)