1/**
2 * Copyright (C) 2001-2002 Thomas Broyer, Charlie Bozeman and Daniel Veillard.
3 * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a copy
6 * of this software and associated documentation files (the "Software"), to deal
7 * in the Software without restriction, including without limitation the rights
8 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
9 * copies of the Software, and to permit persons to whom the Software is fur-
10 * nished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FIT-
17 * NESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
18 * AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
19 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CON-
20 * NECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
21 *
22 * Except as contained in this notice, the name of the authors shall not
23 * be used in advertising or otherwise to promote the sale, use or other deal-
24 * ings in this Software without prior written authorization from him.
25 */
26
27#include "config.h"
28
29#if ENABLE(XSLT)
30#include "XSLTExtensions.h"
31
32#include <libxml/xpathInternals.h>
33
34#include <libxslt/xsltutils.h>
35#include <libxslt/extensions.h>
36#include <libxslt/extra.h>
37
38#if PLATFORM(MAC)
39#include "SoftLinking.h"
40#endif
41
42#if PLATFORM(MAC)
43SOFT_LINK_LIBRARY(libxslt)
44SOFT_LINK(libxslt, xsltRegisterExtFunction, int, (xsltTransformContextPtr ctxt, const xmlChar *name, const xmlChar *URI, xmlXPathFunction function), (ctxt, name, URI, function))
45SOFT_LINK(libxslt, xsltFunctionNodeSet, void, (xmlXPathParserContextPtr ctxt, int nargs), (ctxt, nargs))
46#endif
47
48namespace WebCore {
49
50// FIXME: This code is taken from libexslt 1.1.11; should sync with newer versions.
51static void exsltNodeSetFunction(xmlXPathParserContextPtr ctxt, int nargs)
52{
53    xmlChar *strval;
54    xmlNodePtr retNode;
55    xmlXPathObjectPtr ret;
56
57    if (nargs != 1) {
58        xmlXPathSetArityError(ctxt);
59        return;
60    }
61
62    if (xmlXPathStackIsNodeSet(ctxt)) {
63        xsltFunctionNodeSet(ctxt, nargs);
64        return;
65    }
66
67    strval = xmlXPathPopString(ctxt);
68    retNode = xmlNewDocText(NULL, strval);
69    ret = xmlXPathNewValueTree(retNode);
70
71    // FIXME: It might be helpful to push any errors from xmlXPathNewValueTree
72    // up to the Javascript Console.
73    if (ret != NULL)
74        ret->type = XPATH_NODESET;
75
76    if (strval != NULL)
77        xmlFree(strval);
78
79    valuePush(ctxt, ret);
80}
81
82void registerXSLTExtensions(xsltTransformContextPtr ctxt)
83{
84    xsltRegisterExtFunction(ctxt, (const xmlChar*)"node-set", (const xmlChar*)"http://exslt.org/common", exsltNodeSetFunction);
85}
86
87}
88
89#endif
90