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#include "core/xml/XSLTExtensions.h" 29 30#include "platform/RuntimeEnabledFeatures.h" 31#include "wtf/Assertions.h" 32#include <libxml/xpathInternals.h> 33#include <libxslt/extensions.h> 34#include <libxslt/extra.h> 35#include <libxslt/xsltutils.h> 36 37namespace blink { 38 39// FIXME: This code is taken from libexslt 1.1.11; should sync with newer 40// versions. 41static void exsltNodeSetFunction(xmlXPathParserContextPtr ctxt, int nargs) 42{ 43 xmlChar* strval; 44 xmlNodePtr retNode; 45 xmlXPathObjectPtr ret; 46 47 if (nargs != 1) { 48 xmlXPathSetArityError(ctxt); 49 return; 50 } 51 52 if (xmlXPathStackIsNodeSet(ctxt)) { 53 xsltFunctionNodeSet(ctxt, nargs); 54 return; 55 } 56 57 strval = xmlXPathPopString(ctxt); 58 retNode = xmlNewDocText(0, strval); 59 ret = xmlXPathNewValueTree(retNode); 60 61 // FIXME: It might be helpful to push any errors from xmlXPathNewValueTree 62 // up to the Javascript Console. 63 if (ret) 64 ret->type = XPATH_NODESET; 65 66 if (strval) 67 xmlFree(strval); 68 69 valuePush(ctxt, ret); 70} 71 72void registerXSLTExtensions(xsltTransformContextPtr ctxt) 73{ 74 ASSERT(RuntimeEnabledFeatures::xsltEnabled()); 75 xsltRegisterExtFunction(ctxt, (const xmlChar*)"node-set", (const xmlChar*)"http://exslt.org/common", exsltNodeSetFunction); 76} 77 78} // namespace blink 79