xmlInitParserCtxt(xmlParserCtxtPtr ctxt)
{
    xmlParserInputPtr input;

    if(ctxt==NULL) {
        xmlErrInternal(NULL, "Got NULL parser context\n", NULL);
        return(-1);
    }

    xmlDefaultSAXHandlerInit();

    if (ctxt->dict == NULL)
	ctxt->dict = xmlDictCreate();
    if (ctxt->dict == NULL) {
        xmlErrMemory(NULL, "cannot initialize parser context\n");
	return(-1);
    }
    xmlDictSetLimit(ctxt->dict, XML_MAX_DICTIONARY_LIMIT);

    if (ctxt->sax == NULL)
	ctxt->sax = (xmlSAXHandler *) xmlMalloc(sizeof(xmlSAXHandler));
    if (ctxt->sax == NULL) {
        xmlErrMemory(NULL, "cannot initialize parser context\n");
	return(-1);
    }
    else
        xmlSAXVersion(ctxt->sax, 2);

    ctxt->maxatts = 0;
    ctxt->atts = NULL;
    /* Allocate the Input stack */
    if (ctxt->inputTab == NULL) {
	ctxt->inputTab = (xmlParserInputPtr *)
		    xmlMalloc(5 * sizeof(xmlParserInputPtr));
	ctxt->inputMax = 5;
    }
    if (ctxt->inputTab == NULL) {
        xmlErrMemory(NULL, "cannot initialize parser context\n");
	ctxt->inputNr = 0;
	ctxt->inputMax = 0;
	ctxt->input = NULL;
	return(-1);
    }
    while ((input = inputPop(ctxt)) != NULL) { /* Non consuming */
        xmlFreeInputStream(input);
    }
    ctxt->inputNr = 0;
    ctxt->input = NULL;

    ctxt->version = NULL;
    ctxt->encoding = NULL;
    ctxt->standalone = -1;
    ctxt->hasExternalSubset = 0;
    ctxt->hasPErefs = 0;
    ctxt->html = 0;
    ctxt->external = 0;
    ctxt->instate = XML_PARSER_START;
    ctxt->token = 0;
    ctxt->directory = NULL;

    /* Allocate the Node stack */
    if (ctxt->nodeTab == NULL) {
	ctxt->nodeTab = (xmlNodePtr *) xmlMalloc(10 * sizeof(xmlNodePtr));
	ctxt->nodeMax = 10;
    }
    if (ctxt->nodeTab == NULL) {
        xmlErrMemory(NULL, "cannot initialize parser context\n");
	ctxt->nodeNr = 0;
	ctxt->nodeMax = 0;
	ctxt->node = NULL;
	ctxt->inputNr = 0;
	ctxt->inputMax = 0;
	ctxt->input = NULL;
	return(-1);
    }
    ctxt->nodeNr = 0;
    ctxt->node = NULL;

    /* Allocate the Name stack */
    if (ctxt->nameTab == NULL) {
	ctxt->nameTab = (const xmlChar **) xmlMalloc(10 * sizeof(xmlChar *));
	ctxt->nameMax = 10;
    }
    if (ctxt->nameTab == NULL) {
        xmlErrMemory(NULL, "cannot initialize parser context\n");
	ctxt->nodeNr = 0;
	ctxt->nodeMax = 0;
	ctxt->node = NULL;
	ctxt->inputNr = 0;
	ctxt->inputMax = 0;
	ctxt->input = NULL;
	ctxt->nameNr = 0;
	ctxt->nameMax = 0;
	ctxt->name = NULL;
	return(-1);
    }
    ctxt->nameNr = 0;
    ctxt->name = NULL;

    /* Allocate the space stack */
    if (ctxt->spaceTab == NULL) {
	ctxt->spaceTab = (int *) xmlMalloc(10 * sizeof(int));
	ctxt->spaceMax = 10;
    }
    if (ctxt->spaceTab == NULL) {
        xmlErrMemory(NULL, "cannot initialize parser context\n");
	ctxt->nodeNr = 0;
	ctxt->nodeMax = 0;
	ctxt->node = NULL;
	ctxt->inputNr = 0;
	ctxt->inputMax = 0;
	ctxt->input = NULL;
	ctxt->nameNr = 0;
	ctxt->nameMax = 0;
	ctxt->name = NULL;
	ctxt->spaceNr = 0;
	ctxt->spaceMax = 0;
	ctxt->space = NULL;
	return(-1);
    }
    ctxt->spaceNr = 1;
    ctxt->spaceMax = 10;
    ctxt->spaceTab[0] = -1;
    ctxt->space = &ctxt->spaceTab[0];
    ctxt->userData = ctxt;
    ctxt->myDoc = NULL;
    ctxt->wellFormed = 1;
    ctxt->nsWellFormed = 1;
    ctxt->valid = 1;
    ctxt->loadsubset = xmlLoadExtDtdDefaultValue;
    ctxt->validate = xmlDoValidityCheckingDefaultValue;
    ctxt->pedantic = xmlPedanticParserDefaultValue;
    ctxt->linenumbers = xmlLineNumbersDefaultValue;
    ctxt->keepBlanks = xmlKeepBlanksDefaultValue;
    if (ctxt->keepBlanks == 0)
	ctxt->sax->ignorableWhitespace = xmlSAX2IgnorableWhitespace;

    ctxt->vctxt.finishDtd = XML_CTXT_FINISH_DTD_0;
    ctxt->vctxt.userData = ctxt;
    ctxt->vctxt.error = xmlParserValidityError;
    ctxt->vctxt.warning = xmlParserValidityWarning;
    if (ctxt->validate) {
	if (xmlGetWarningsDefaultValue == 0)
	    ctxt->vctxt.warning = NULL;
	else
	    ctxt->vctxt.warning = xmlParserValidityWarning;
	ctxt->vctxt.nodeMax = 0;
    }
    ctxt->replaceEntities = xmlSubstituteEntitiesDefaultValue;
    ctxt->record_info = 0;
    ctxt->nbChars = 0;
    ctxt->checkIndex = 0;
    ctxt->inSubset = 0;
    ctxt->errNo = XML_ERR_OK;
    ctxt->depth = 0;
    ctxt->charset = XML_CHAR_ENCODING_UTF8;
    ctxt->catalogs = NULL;
    ctxt->nbentities = 0;
    ctxt->sizeentities = 0;
    ctxt->sizeentcopy = 0;
    ctxt->input_id = 1;
    xmlInitNodeInfoSeq(&ctxt->node_seq);
    return(0);
}