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/**
* Copyright (C) 2001-2002 Thomas Broyer, Charlie Bozeman and Daniel Veillard.
* Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is fur-
* nished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FIT-
* NESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CON-
* NECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* Except as contained in this notice, the name of the authors shall not
* be used in advertising or otherwise to promote the sale, use or other deal-
* ings in this Software without prior written authorization from him.
*/
#include "config.h"
#if ENABLE(XSLT)
#include "XSLTExtensions.h"
// FIXME (286277): Stop ignoring -Wundef and -Wdeprecated-declarations in code that imports libxml and libxslt headers
IGNORE_WARNINGS_BEGIN("deprecated-declarations")
IGNORE_WARNINGS_BEGIN("undef")
#include <libxml/xpathInternals.h>
#include <libxslt/extensions.h>
#include <libxslt/extra.h>
#include <libxslt/xsltutils.h>
IGNORE_WARNINGS_END
IGNORE_WARNINGS_END
namespace WebCore {
// FIXME: This code is taken from libexslt v1.1.35; should sync with newer versions.
static void exsltNodeSetFunction(xmlXPathParserContextPtr ctxt, int nargs)
{
xmlDocPtr fragment;
xsltTransformContextPtr tctxt = xsltXPathGetTransformContext(ctxt);
xmlNodePtr txt;
xmlChar *strval;
xmlXPathObjectPtr obj;
if (nargs != 1) {
xmlXPathSetArityError(ctxt);
return;
}
if (xmlXPathStackIsNodeSet(ctxt)) {
xsltFunctionNodeSet(ctxt, nargs);
return;
}
/*
* 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) {
xsltTransformError(tctxt, nullptr, tctxt->inst,
"WebCore::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(reinterpret_cast<xmlNodePtr>(fragment), txt);
obj = xmlXPathNewNodeSet(txt);
// FIXME: It might be helpful to push any errors from xmlXPathNewNodeSet
// up to the Javascript Console.
if (!obj) {
xsltTransformError(tctxt, nullptr, tctxt->inst,
"WebCore::exsltNodeSetFunction: Failed to create a node set object.\n");
tctxt->state = XSLT_STATE_STOPPED;
}
// FIXME (286277): Stop ignoring -Wundef and -Wdeprecated-declarations in code that imports libxml and libxslt headers
IGNORE_WARNINGS_BEGIN("deprecated-declarations")
if (strval != NULL)
xmlFree(strval);
IGNORE_WARNINGS_END
valuePush(ctxt, obj);
}
void registerXSLTExtensions(xsltTransformContextPtr ctxt)
{
xsltRegisterExtFunction(ctxt, (const xmlChar*)"node-set", (const xmlChar*)"http://exslt.org/common", exsltNodeSetFunction);
}
}
#endif
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