Function xmlXIncludeParseFile

ThirdParty/libxml2/vtklibxml2/xinclude.c:305–367

* xmlXIncludeParseFile: * @ctxt: the XInclude context * @URL: the URL or file path * * parse a document for XInclude */

 * parse a document for XInclude
 */
static xmlDocPtr
xmlXIncludeParseFile(xmlXIncludeCtxtPtr ctxt, const char *URL) {
    xmlDocPtr ret = NULL;
    xmlParserCtxtPtr pctxt;
    xmlParserInputPtr inputStream;

    xmlInitParser();

    pctxt = xmlNewParserCtxt();
    if (pctxt == NULL) {
	xmlXIncludeErrMemory(ctxt);
	return(NULL);
    }
    if (ctxt->errorHandler != NULL)
        xmlCtxtSetErrorHandler(pctxt, ctxt->errorHandler, ctxt->errorCtxt);

    /*
     * pass in the application data to the parser context.
     */
    pctxt->_private = ctxt->_private;

    /*
     * try to ensure that new documents included are actually
     * built with the same dictionary as the including document.
     */
    if ((ctxt->doc != NULL) && (ctxt->doc->dict != NULL)) {
       if (pctxt->dict != NULL)
            xmlDictFree(pctxt->dict);
	pctxt->dict = ctxt->doc->dict;
	xmlDictReference(pctxt->dict);
    }

    /*
     * We set DTDLOAD to make sure that ID attributes declared in
     * external DTDs are detected.
     */
    xmlCtxtUseOptions(pctxt, ctxt->parseFlags | XML_PARSE_DTDLOAD);

    inputStream = xmlLoadExternalEntity(URL, NULL, pctxt);
    if (inputStream == NULL)
        goto error;

    inputPush(pctxt, inputStream);

    xmlParseDocument(pctxt);

    if (pctxt->wellFormed) {
        ret = pctxt->myDoc;
    }
    else {
        ret = NULL;
	if (pctxt->myDoc != NULL)
	    xmlFreeDoc(pctxt->myDoc);
        pctxt->myDoc = NULL;
    }

error:
    if (pctxt->errNo == XML_ERR_NO_MEMORY)