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XMLDocument.h

Go to the documentation of this file.

#ifndef PhysicsTools_MVATrainer_XMLDocument_h
#define PhysicsTools_MVATrainer_XMLDocument_h

#include <string>
#include <memory>

#include <xercesc/dom/DOM.hpp>
#include <xercesc/dom/DOMImplementation.hpp>
#include <xercesc/parsers/XercesDOMParser.hpp>
#include <xercesc/sax/HandlerBase.hpp>
#include <xercesc/dom/DOMDocument.hpp>

class XMLDocument {
    public:
        XMLDocument(const std::string &fileName, bool write = false);
        ~XMLDocument();

        inline XERCES_CPP_NAMESPACE_QUALIFIER DOMDocument *
        getDocument() const { return doc; }

        inline XERCES_CPP_NAMESPACE_QUALIFIER DOMElement *
        getRootNode() const { return rootNode; }

        XERCES_CPP_NAMESPACE_QUALIFIER DOMDocument *
        createDocument(const std::string &root);

        static bool hasAttribute(XERCES_CPP_NAMESPACE_QUALIFIER DOMElement *elem,
                                 const char *name);
        template<typename T>
        static T readAttribute(XERCES_CPP_NAMESPACE_QUALIFIER DOMElement *elem,
                               const char *name);
        template<typename T>
        static T readAttribute(XERCES_CPP_NAMESPACE_QUALIFIER DOMElement *elem,
                               const char *name, const T &defValue);
        template<typename T>
        static void writeAttribute(XERCES_CPP_NAMESPACE_QUALIFIER DOMElement *elem,
                                   const char *name, const T &value);

        template<typename T>
        static T readContent(XERCES_CPP_NAMESPACE_QUALIFIER DOMNode *node);
        template<typename T>
        static void writeContent(XERCES_CPP_NAMESPACE_QUALIFIER DOMNode *node,
                        XERCES_CPP_NAMESPACE_QUALIFIER DOMDocument *doc,
                        const T &value);

    private:
        class XercesPlatform {
            public:
                XercesPlatform();
                ~XercesPlatform();

            private:
                // do not make any kind of copies
                XercesPlatform(const XercesPlatform &orig);
                XercesPlatform &operator = (const XercesPlatform &orig);

                static unsigned int instances;
        };

        void openForRead(const std::string &fileName);
        void openForWrite(const std::string &fileName);

        std::auto_ptr<XercesPlatform>                                   platform;

        std::string                                                     fileName;
        bool                                                            write;

        std::auto_ptr<XERCES_CPP_NAMESPACE_QUALIFIER XercesDOMParser>   parser;
        std::auto_ptr<XERCES_CPP_NAMESPACE_QUALIFIER HandlerBase>       errHandler;
        XERCES_CPP_NAMESPACE_QUALIFIER DOMImplementation                *impl;

        XERCES_CPP_NAMESPACE_QUALIFIER DOMDocument                      *doc;
        XERCES_CPP_NAMESPACE_QUALIFIER DOMElement                       *rootNode;
};

#include "PhysicsTools/MVATrainer/interface/XMLDocument.icc"

#endif // PhysicsTools_MVATrainer_XMLDocument_h

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