src/lib/DOMBuildingXMLContentHandler.h
author František Kučera <franta-hg@frantovo.cz>
Sat, 12 Jun 2021 22:37:44 +0200
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partial implementation of DOMBuildingXMLContentHandler
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/**
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 * Relational pipes
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 * Copyright © 2021 František Kučera (Frantovo.cz, GlobalCode.info)
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 *
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 * This program is free software: you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation, version 3 of the License.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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 */
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#pragma once
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#include <libxml++-2.6/libxml++/libxml++.h>
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#include "XMLContentHandler.h"
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namespace relpipe {
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namespace in {
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namespace asn1 {
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namespace lib {
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class DOMBuildingXMLContentHandler : public XMLContentHandler {
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private:
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	xmlpp::Document* document;
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	xmlpp::Element* current = nullptr;
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	// TODO: check current == nullptr and throw exception
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public:
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	DOMBuildingXMLContentHandler(xmlpp::Document* document) : document(document) {
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	}
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	void writeStartElement(const std::string& name, const std::vector<std::string>& attributes) override {
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		if (current) current = current->add_child(name);
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		else current = document->create_root_node(name);
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		for (int i = 0; i < attributes.size(); i = i + 2) {
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			std::string attributeName = attributes[i];
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			std::string attributeValue = attributes[i + 1];
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			current->set_attribute(attributeName, attributeValue);
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		}
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	}
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	void writeEndElement() override {
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		current = current->get_parent();
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	}
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	void writeCharacters(const std::string& value) override {
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		current->add_child_text(value);
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	}
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	void writeComment(const std::string& value, bool addSpaces) override {
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		current->add_child_comment(addSpaces ? " " + value + " " : value);
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	}
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};
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}
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}
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}
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}