Function xmlXPathNodeCollectAndTest

ThirdParty/libxml2/vtklibxml2/xpath.c:10807–11405

}

static int
xmlXPathNodeCollectAndTest(xmlXPathParserContextPtr ctxt,
                           xmlXPathStepOpPtr op,
			   xmlNodePtr * first, xmlNodePtr * last,
			   int toBool)
{

#define XP_TEST_HIT \
    if (hasAxisRange != 0) { \
	if (++pos == maxPos) { \
	    if (addNode(seq, cur) < 0) \
	        xmlXPathPErrMemory(ctxt); \
	    goto axis_range_end; } \
    } else { \
	if (addNode(seq, cur) < 0) \
	    xmlXPathPErrMemory(ctxt); \
	if (breakOnFirstHit) goto first_hit; }

#define XP_TEST_HIT_NS \
    if (hasAxisRange != 0) { \
	if (++pos == maxPos) { \
	    hasNsNodes = 1; \
	    if (xmlXPathNodeSetAddNs(seq, xpctxt->node, (xmlNsPtr) cur) < 0) \
	        xmlXPathPErrMemory(ctxt); \
	goto axis_range_end; } \
    } else { \
	hasNsNodes = 1; \
	if (xmlXPathNodeSetAddNs(seq, xpctxt->node, (xmlNsPtr) cur) < 0) \
	    xmlXPathPErrMemory(ctxt); \
	if (breakOnFirstHit) goto first_hit; }

    xmlXPathAxisVal axis = (xmlXPathAxisVal) op->value;
    xmlXPathTestVal test = (xmlXPathTestVal) op->value2;
    xmlXPathTypeVal type = (xmlXPathTypeVal) op->value3;
    const xmlChar *prefix = op->value4;
    const xmlChar *name = op->value5;
    const xmlChar *URI = NULL;

    int total = 0, hasNsNodes = 0;
    /* The popped object holding the context nodes */
    xmlXPathObjectPtr obj;
    /* The set of context nodes for the node tests */
    xmlNodeSetPtr contextSeq;
    int contextIdx;
    xmlNodePtr contextNode;
    /* The final resulting node set wrt to all context nodes */
    xmlNodeSetPtr outSeq;
    /*
    * The temporary resulting node set wrt 1 context node.
    * Used to feed predicate evaluation.
    */
    xmlNodeSetPtr seq;
    xmlNodePtr cur;
    /* First predicate operator */
    xmlXPathStepOpPtr predOp;
    int maxPos; /* The requested position() (when a "[n]" predicate) */
    int hasPredicateRange, hasAxisRange, pos;
    int breakOnFirstHit;