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#pragma once

#include <util/generic/ptr.h>
#include <libxml/tree.h>
#include <libxml/parser.h>
#include <libxml/xpath.h>
#include <libxml/xpathInternals.h>
#include <libxml/xmlsave.h>
#include <libxml/uri.h>
#include <libxml/xmlschemas.h>

template <class T, void (*DestroyFun)(T*)> 
struct TFunctionDestroy {
    static inline void Destroy(T* t) noexcept {
        if (t)
            DestroyFun(t);
    }
};

namespace NXml {
#define DEF_HOLDER(type, free) typedef THolder<type, TFunctionDestroy<type, free>> T##type##Holder 
#define DEF_PTR(type, free) typedef TAutoPtr<type, TFunctionDestroy<type, free>> T##type##Ptr 

    // define xmlDocPtr -> TxmlDocHolder TxmlDocPtr 
    DEF_HOLDER(xmlDoc, xmlFreeDoc); 
    DEF_PTR(xmlDoc, xmlFreeDoc); 

    //    xmlXPathContextPtr xpathCtx; 
    DEF_HOLDER(xmlXPathContext, xmlXPathFreeContext); 
    DEF_PTR(xmlXPathContext, xmlXPathFreeContext); 

    //    xmlXPathObjectPtr xpathObj; 
    DEF_HOLDER(xmlXPathObject, xmlXPathFreeObject); 
    DEF_PTR(xmlXPathObject, xmlXPathFreeObject); 

    //    xmlNodeSetPtr nodes 
    DEF_HOLDER(xmlNodeSet, xmlXPathFreeNodeSet); 
    DEF_PTR(xmlNodeSet, xmlXPathFreeNodeSet); 

    //    xmlSchemaParserCtxtPtr ctxt; 
    DEF_HOLDER(xmlSchemaParserCtxt, xmlSchemaFreeParserCtxt);
    DEF_PTR(xmlSchemaParserCtxt, xmlSchemaFreeParserCtxt); 

    //    xmlSchemaPtr schema; 
    DEF_HOLDER(xmlSchema, xmlSchemaFree);
    DEF_PTR(xmlSchema, xmlSchemaFree); 

    //    xmlSchemaValidCtxt ctxt; 
    DEF_HOLDER(xmlSchemaValidCtxt, xmlSchemaFreeValidCtxt);
    DEF_PTR(xmlSchemaValidCtxt, xmlSchemaFreeValidCtxt); 

    // xmlSaveCtxtPtr 
    inline void xmlFreeSave(xmlSaveCtxt* c) { 
        // returns int 
        xmlSaveClose(c); 
    } 
    DEF_HOLDER(xmlSaveCtxt, xmlFreeSave); 
    DEF_PTR(xmlSaveCtxt, xmlFreeSave); 

    DEF_PTR(xmlURI, xmlFreeURI); 
    DEF_PTR(xmlNode, xmlFreeNode); 
    DEF_PTR(xmlParserCtxt, xmlFreeParserCtxt); 
    DEF_PTR(xmlParserInputBuffer, xmlFreeParserInputBuffer); 
    DEF_PTR(xmlDtd, xmlFreeDtd);
    DEF_PTR(xmlValidCtxt, xmlFreeValidCtxt);

#undef DEF_HOLDER
#undef DEF_PTR
}