Function xmlParseExternalSubset

ThirdParty/libxml2/vtklibxml2/parser.c:7250–7301

* xmlParseExternalSubset: * @ctxt: an XML parser context * @ExternalID: the external identifier * @SystemID: the system identifier (or URL) * * parse Markup declarations from an external subset * * [30] extSubset ::= textDecl? extSubsetDecl * * [31] extSubsetDecl ::= (markupdecl | conditionalSect | PEReference | S) * */

 * [31] extSubsetDecl ::= (markupdecl | conditionalSect | PEReference | S) *
 */
void
xmlParseExternalSubset(xmlParserCtxtPtr ctxt, const xmlChar *ExternalID,
                       const xmlChar *SystemID) {
    int oldInputNr;

    xmlCtxtInitializeLate(ctxt);

    xmlDetectEncoding(ctxt);

    if (CMP5(CUR_PTR, '<', '?', 'x', 'm', 'l')) {
	xmlParseTextDecl(ctxt);
    }
    if (ctxt->myDoc == NULL) {
        ctxt->myDoc = xmlNewDoc(BAD_CAST "1.0");
	if (ctxt->myDoc == NULL) {
	    xmlErrMemory(ctxt);
	    return;
	}
	ctxt->myDoc->properties = XML_DOC_INTERNAL;
    }
    if ((ctxt->myDoc != NULL) && (ctxt->myDoc->intSubset == NULL) &&
        (xmlCreateIntSubset(ctxt->myDoc, NULL, ExternalID, SystemID) == NULL)) {
        xmlErrMemory(ctxt);
    }

    ctxt->inSubset = 2;
    oldInputNr = ctxt->inputNr;

    SKIP_BLANKS_PE;
    while (((RAW != 0) || (ctxt->inputNr > oldInputNr)) &&
           (!PARSER_STOPPED(ctxt))) {
	GROW;
        if ((RAW == '<') && (NXT(1) == '!') && (NXT(2) == '[')) {
            xmlParseConditionalSections(ctxt);
        } else if ((RAW == '<') && ((NXT(1) == '!') || (NXT(1) == '?'))) {
            xmlParseMarkupDecl(ctxt);
        } else {
            xmlFatalErr(ctxt, XML_ERR_EXT_SUBSET_NOT_FINISHED, NULL);
            xmlHaltParser(ctxt);
            return;
        }
        SKIP_BLANKS_PE;
        SHRINK;
    }

    while (ctxt->inputNr > oldInputNr)
        xmlPopPE(ctxt);

    if (RAW != 0) {
	xmlFatalErr(ctxt, XML_ERR_EXT_SUBSET_NOT_FINISHED, NULL);
    }
}

/**
 * xmlParseReference: