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#define IN_LIBEXSLT
#include "libexslt/libexslt.h"
#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 <libxslt/extra.h>
#include <libxslt/preproc.h>
#include "exslt.h"
static void
exsltNodeSetFunction (xmlXPathParserContextPtr ctxt, int nargs) {
if (nargs != 1) {
xmlXPathSetArityError(ctxt);
return;
}
if (xmlXPathStackIsNodeSet (ctxt)) {
xsltFunctionNodeSet (ctxt, nargs);
return;
} else {
xmlDocPtr fragment;
xsltTransformContextPtr tctxt = xsltXPathGetTransformContext(ctxt);
xmlNodePtr txt;
xmlChar *strval;
xmlXPathObjectPtr obj;
/*
* SPEC EXSLT:
* "You can also use this function to turn a string into a text
* node, which is helpful if you want to pass a string to a
* function that only accepts a node-set."
*/
fragment = xsltCreateRVT(tctxt);
if (fragment == NULL) {
xsltTransformError(tctxt, NULL, tctxt->inst,
"exsltNodeSetFunction: Failed to create a tree fragment.\n");
tctxt->state = XSLT_STATE_STOPPED;
return;
}
xsltRegisterLocalRVT(tctxt, fragment);
strval = xmlXPathPopString (ctxt);
txt = xmlNewDocText (fragment, strval);
xmlAddChild((xmlNodePtr) fragment, txt);
obj = xmlXPathNewNodeSet(txt);
if (obj == NULL) {
xsltTransformError(tctxt, NULL, tctxt->inst,
"exsltNodeSetFunction: Failed to create a node set object.\n");
tctxt->state = XSLT_STATE_STOPPED;
}
if (strval != NULL)
xmlFree (strval);
valuePush (ctxt, obj);
}
}
static void
exsltObjectTypeFunction (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);
}
/**
* exsltCommonRegister:
*
* Registers the EXSLT - Common module
*/
void
exsltCommonRegister (void) {
xsltRegisterExtModuleFunction((const xmlChar *) "node-set",
EXSLT_COMMON_NAMESPACE,
exsltNodeSetFunction);
xsltRegisterExtModuleFunction((const xmlChar *) "object-type",
EXSLT_COMMON_NAMESPACE,
exsltObjectTypeFunction);
xsltRegisterExtModuleElement((const xmlChar *) "document",
EXSLT_COMMON_NAMESPACE,
xsltDocumentComp,
xsltDocumentElem);
}
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