xml_file_handler.h

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/*
 * This file is part of ChimeraTKs ControlSystem-OPC-UA-Adapter.
 *
 * ChimeraTKs ControlSystem-OPC-UA-Adapter is free software: you can
 * redistribute it and/or modify it under the terms of the Lesser GNU
 * General Public License as published by the Free Software Foundation,
 * either version 3 of the License, or (at your option) any later version.
 *
 * ChimeraTKs ControlSystem-OPC-UA-Adapter is distributed in the hope
 * that it will be useful, but WITHOUT ANY WARRANTY; without even the
 * implied warranty ofMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the Lesser GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Foobar.  If not, see https://www.gnu.org/licenses/lgpl.html
 *
 * Copyright (c) 2016 Chris Iatrou <Chris_Paul.Iatrou@tu-dresden.de>
 * Copyright (c) 2016 Julian Rahm  <Julian.Rahm@tu-dresden.de>
 */
 
#pragma once
 
#include <libxml2/libxml/tree.h>
#include <libxml2/libxml/xpath.h>
#include <libxml2/libxml/xpathInternals.h>
 
#include <boost/tokenizer.hpp>
 
#include <iostream>
#include <vector>
 
namespace ChimeraTK {
  class xml_file_handler {
   public:
    xml_file_handler(const std::string& filePath);
 
    bool createDoc(const std::string& filePath);
 
    bool isDocSetted();
 
    xmlXPathObjectPtr getNodeSet(const std::string& xPathString);
 
    static std::vector<xmlNodePtr> getNodesByName(xmlNodePtr startNode, const std::string& nodeName);
    static std::vector<std::string> parseVariablePath(
        const std::string& variablePath, const std::string& seperator = "/");
 
    static std::string getAttributeValueFromNode(xmlNode* node, const std::string& attributeName);
 
    static std::string getContentFromNode(xmlNode* node);
 
    ~xml_file_handler();
 
   private:
    xmlDocPtr doc{};
    xmlNodePtr cur{};
  };
} // namespace ChimeraTK