library/cpp/xml/init/init.cpp


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#include "init.h" 
 
#include <libxml/xmlIO.h>
#include <libxml/parser.h>
#include <libxml/parserInternals.h>
#include <libxml/tree.h>
 
#include <library/cpp/charset/recyr.hh>
#include <util/generic/singleton.h> 
 
namespace { 
    int CharEncodingInput(unsigned char* out, int* outlen, const unsigned char* in, int* inlen) {
        size_t read = 0, written = 0; 
        RECODE_RESULT r = Recode(CODES_WIN, CODES_UTF8, (const char*)in, (char*)out, (size_t)*inlen, (size_t)*outlen, read, written); 
        if (r == RECODE_EOOUTPUT) 
            return -1; 
        if (r != RECODE_OK) 
            return -2; 
        *inlen = (int)read; 
        *outlen = (int)written; 
        return (int)written; 
    } 
 
    class TLibXml2 { 
    public: 
        inline TLibXml2() { 
            xmlInitParser(); 
            xmlNewCharEncodingHandler("windows-1251", CharEncodingInput, nullptr);
        } 
 
        inline ~TLibXml2() {
            xmlCleanupParser(); 
        } 
    }; 
} 
 
void NXml::InitEngine() { 
    Singleton<TLibXml2>(); 
}