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)

    43 SOFT_LINK_LIBRARY(libxslt)

    44 SOFT_LINK(libxslt, xsltRegisterExtFunction, int, (xsltTransformContextPtr ctxt, const xmlChar *name, const xmlChar *URI, xmlXPathFunction function), (ctxt, name, URI, function))

    45 SOFT_LINK(libxslt, xsltFunctionNodeSet, void, (xmlXPathParserContextPtr ctxt, int nargs), (ctxt, nargs))

    46 #endif

    47 

    48 namespace WebCore {

    49 

    50 // FIXME: This code is taken from libexslt 1.1.11; should sync with newer versions.

    51 static 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 

    82 void registerXSLTExtensions(xsltTransformContextPtr ctxt)

    83 {

    84     xsltRegisterExtFunction(ctxt, (const xmlChar*)"node-set", (const xmlChar*)"http://exslt.org/common", exsltNodeSetFunction);

    85 }

    86 

    87 }

    88 

    89 #endif