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#include <libxml/tree.h>
#include <libxml/xpath.h>
#include <libxml/xpathInternals.h>
#include <libxslt/xsltutils.h>
#include <libxslt/xsltInternals.h>
#include <libxslt/extensions.h>
#include <libxslt/transform.h>
#include "exslt.h"
#include "utils.h"
/**
* exslNodeSetFunction:
* @ctxt: an XPath parser context
*
* Implements the EXSLT - Common node-set function:
* node-set exsl:node-set (result-tree-fragment)
* for use by the XPath processor.
*/
void
exslNodeSetFunction(xmlXPathParserContextPtr ctxt, int nargs){
if (nargs != 1) {
xmlXPathSetArityError(ctxt);
return;
}
if (!xmlXPathStackIsNodeSet(ctxt)) {
xmlXPathSetTypeError(ctxt);
return;
}
ctxt->value->type = XPATH_NODESET;
ctxt->value->boolval = 1;
}
void
exslObjectTypeFunction (xmlXPathParserContextPtr ctxt, int nargs) {
xmlXPathObjectPtr obj, ret;
if (nargs != 1) {
xmlXPathSetArityError(ctxt);
return;
}
obj = valuePop(ctxt);
switch (obj->type) {
case XPATH_STRING:
ret = xmlXPathNewCString("string");
break;
case XPATH_NUMBER:
ret = xmlXPathNewCString("number");
break;
case XPATH_BOOLEAN:
ret = xmlXPathNewCString("boolean");
break;
case XPATH_NODESET:
ret = xmlXPathNewCString("node-set");
break;
case XPATH_XSLT_TREE:
ret = xmlXPathNewCString("RTF");
break;
case XPATH_USERS:
ret = xmlXPathNewCString("external");
break;
default:
xsltGenericError(xsltGenericErrorContext,
"object-type() invalid arg\n");
ctxt->error = XPATH_INVALID_TYPE;
xmlXPathFreeObject(obj);
return;
}
xmlXPathFreeObject(obj);
valuePush(ctxt, ret);
}
static void *
exslCommonInit (xsltTransformContextPtr ctxt, const xmlChar *URI) {
xsltRegisterExtFunction (ctxt, (const xmlChar *) "node-set",
URI, exslNodeSetFunction);
xsltRegisterExtFunction (ctxt, (const xmlChar *) "object-type",
URI, exslObjectTypeFunction);
xsltRegisterExtElement (ctxt, (const xmlChar *) "document",
URI, xsltDocumentElem);
return(NULL);
}
void
exslCommonRegister (void) {
xsltRegisterExtModule (EXSLT_COMMON_NAMESPACE,
exslCommonInit, NULL);
}
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