Function xmlParseCRNG_pattern

ThirdParty/libxml2/vtklibxml2/rngparser.c:1037–1075

* xmlParseCRNG_pattern: * @ctxt: a compact RNG parser context * * Parse pattern of the RELAX NG Compact Syntax Appendix A * * Returns 0 in case of success and -1 in case of error */

 * Returns 0 in case of success and -1 in case of error
 */
static int
xmlParseCRNG_pattern(xmlCRelaxNGParserCtxtPtr ctxt)
{
    tokenPtr token;
    xmlNodePtr insert = ctxt->insert, prev, grp;

    ctxt->insert = NULL;
    xmlParseCRNG_particle(ctxt);
    prev = ctxt->insert;
    token = xmlParseCRNGGetToken(ctxt, 1);
    while ((prev != NULL) && (token != NULL) && (token->toktype == CRNG_OP)) {
        if (token->token == ctxt->key_or) {
	    grp = xmlNewNodeEatName(NULL, (xmlChar *) ctxt->key_choice);
	    if (grp == NULL) CRNG_MEM_ERROR0();
	} else if (token->token == ctxt->key_and) {
	    grp = xmlNewNodeEatName(NULL, (xmlChar *) ctxt->key_interleave);
	    if (grp == NULL) CRNG_MEM_ERROR0();
	} else if (token->token == ctxt->key_comma) {
	    grp = xmlNewNodeEatName(NULL, (xmlChar *) ctxt->key_group);
	    if (grp == NULL) CRNG_MEM_ERROR0();
	} else
	   break;
	xmlParseCRNGDropTokens(ctxt, 1);
        ctxt->insert = NULL;
	xmlParseCRNG_particle(ctxt);
	xmlAddChild(grp, prev);
	xmlAddChild(grp, ctxt->insert);
	prev = grp;
	token = xmlParseCRNGGetToken(ctxt, 1);
    }
    if (insert != NULL) {
	xmlAddChild(insert, prev);
	ctxt->insert = insert;
    } else {
	ctxt->insert = prev;
    }

    return(0);
}

/**
 * xmlParseCRNG_component: