int xsltEvalXPathPredicate	(	xsltTransformContextPtr	ctxt,
		xmlXPathCompExprPtr	comp,
		xmlNsPtr *	nsList,
		int	nsNr
	)

xsltEvalXPathPredicate: : the XSLT transformation context : the XPath compiled expression : the namespaces in scope : the number of namespaces in scope

Process the expression using XPath and evaluate the result as an XPath predicate

Returns 1 is the predicate was true, 0 otherwise

Definition at line 56 of file templates.c.

Referenced by xsltTestCompMatch().

                                           {
    int ret;
    xmlXPathObjectPtr res;
    int oldNsNr;
    xmlNsPtr *oldNamespaces;
    xmlNodePtr oldInst;
    int oldProximityPosition, oldContextSize;

    oldContextSize = ctxt->xpathCtxt->contextSize;
    oldProximityPosition = ctxt->xpathCtxt->proximityPosition;
    oldNsNr = ctxt->xpathCtxt->nsNr;
    oldNamespaces = ctxt->xpathCtxt->namespaces;
    oldInst = ctxt->inst;

    ctxt->xpathCtxt->node = ctxt->node;
    ctxt->xpathCtxt->namespaces = nsList;
    ctxt->xpathCtxt->nsNr = nsNr;

    res = xmlXPathCompiledEval(comp, ctxt->xpathCtxt);

    if (res != NULL) {
    ret = xmlXPathEvalPredicate(ctxt->xpathCtxt, res);
    xmlXPathFreeObject(res);
#ifdef WITH_XSLT_DEBUG_TEMPLATES
    XSLT_TRACE(ctxt,XSLT_TRACE_TEMPLATES,xsltGenericDebug(xsltGenericDebugContext,
         "xsltEvalXPathPredicate: returns %d\n", ret));
#endif
    } else {
#ifdef WITH_XSLT_DEBUG_TEMPLATES
    XSLT_TRACE(ctxt,XSLT_TRACE_TEMPLATES,xsltGenericDebug(xsltGenericDebugContext,
         "xsltEvalXPathPredicate: failed\n"));
#endif
    ctxt->state = XSLT_STATE_STOPPED;
    ret = 0;
    }
    ctxt->xpathCtxt->nsNr = oldNsNr;

    ctxt->xpathCtxt->namespaces = oldNamespaces;
    ctxt->inst = oldInst;
    ctxt->xpathCtxt->contextSize = oldContextSize;
    ctxt->xpathCtxt->proximityPosition = oldProximityPosition;

    return(ret);
}

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