Home | History | Annotate | Download | only in xml 
      1 /**
      2  * Copyright (C) 2001-2002 Thomas Broyer, Charlie Bozeman and Daniel Veillard.
      3  * Copyright (C) 2007 Alexey Proskuryakov <ap (at) 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
     90