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lightning-sunbird  0.9+nobinonly
FunctionAvailableFnCall.cpp
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00001 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
00002 /* ***** BEGIN LICENSE BLOCK *****
00003  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00004  *
00005  * The contents of this file are subject to the Mozilla Public License Version
00006  * 1.1 (the "License"); you may not use this file except in compliance with
00007  * the License. You may obtain a copy of the License at
00008  * http://www.mozilla.org/MPL/
00009  *
00010  * Software distributed under the License is distributed on an "AS IS" basis,
00011  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00012  * for the specific language governing rights and limitations under the
00013  * License.
00014  *
00015  * The Original Code is TransforMiiX XSLT processor code.
00016  *
00017  * The Initial Developer of the Original Code is
00018  * Netscape Communications Corporation.
00019  * Portions created by the Initial Developer are Copyright (C) 1998
00020  * the Initial Developer. All Rights Reserved.
00021  *
00022  * Contributor(s):
00023  *   Peter Van der Beken <peterv@propagandism.org>
00024  *
00025  * Alternatively, the contents of this file may be used under the terms of
00026  * either the GNU General Public License Version 2 or later (the "GPL"), or
00027  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00028  * in which case the provisions of the GPL or the LGPL are applicable instead
00029  * of those above. If you wish to allow use of your version of this file only
00030  * under the terms of either the GPL or the LGPL, and not to allow others to
00031  * use your version of this file under the terms of the MPL, indicate your
00032  * decision by deleting the provisions above and replace them with the notice
00033  * and other provisions required by the GPL or the LGPL. If you do not delete
00034  * the provisions above, a recipient may use your version of this file under
00035  * the terms of any one of the MPL, the GPL or the LGPL.
00036  *
00037  * ***** END LICENSE BLOCK ***** */
00038 
00039 #include "txIXPathContext.h"
00040 #include "ExprResult.h"
00041 #include "txAtoms.h"
00042 #include "txError.h"
00043 #include "XMLUtils.h"
00044 #include "XSLTFunctions.h"
00045 #include "txNamespaceMap.h"
00046 
00047 /*
00048   Implementation of XSLT 1.0 extension function: function-available
00049 */
00050 
00054 FunctionAvailableFunctionCall::FunctionAvailableFunctionCall(txNamespaceMap* aMappings)
00055     : mMappings(aMappings)
00056 {
00057 }
00058 
00067 nsresult
00068 FunctionAvailableFunctionCall::evaluate(txIEvalContext* aContext,
00069                                         txAExprResult** aResult)
00070 {
00071     *aResult = nsnull;
00072     if (!requireParams(1, 1, aContext)) {
00073         return NS_ERROR_XPATH_BAD_ARGUMENT_COUNT;
00074     }
00075 
00076     txListIterator iter(&params);
00077     Expr* param = (Expr*)iter.next();
00078     nsRefPtr<txAExprResult> exprResult;
00079     nsresult rv = param->evaluate(aContext, getter_AddRefs(exprResult));
00080     NS_ENSURE_SUCCESS(rv, rv);
00081 
00082     nsAutoString property;
00083     exprResult->stringValue(property);
00084     txExpandedName qname;
00085     rv = qname.init(property, mMappings, MB_FALSE);
00086     NS_ENSURE_SUCCESS(rv, rv);
00087 
00088     PRBool val = qname.mNamespaceID == kNameSpaceID_None &&
00089                  (qname.mLocalName == txXPathAtoms::boolean ||
00090                   qname.mLocalName == txXPathAtoms::ceiling ||
00091                   qname.mLocalName == txXPathAtoms::concat ||
00092                   qname.mLocalName == txXPathAtoms::contains ||
00093                   qname.mLocalName == txXPathAtoms::count ||
00094                   qname.mLocalName == txXPathAtoms::_false ||
00095                   qname.mLocalName == txXPathAtoms::floor ||
00096                   qname.mLocalName == txXPathAtoms::id ||
00097                   qname.mLocalName == txXPathAtoms::lang ||
00098                   qname.mLocalName == txXPathAtoms::last ||
00099                   qname.mLocalName == txXPathAtoms::localName ||
00100                   qname.mLocalName == txXPathAtoms::name ||
00101                   qname.mLocalName == txXPathAtoms::namespaceUri ||
00102                   qname.mLocalName == txXPathAtoms::normalizeSpace ||
00103                   qname.mLocalName == txXPathAtoms::_not ||
00104                   qname.mLocalName == txXPathAtoms::number ||
00105                   qname.mLocalName == txXPathAtoms::position ||
00106                   qname.mLocalName == txXPathAtoms::round ||
00107                   qname.mLocalName == txXPathAtoms::startsWith ||
00108                   qname.mLocalName == txXPathAtoms::string ||
00109                   qname.mLocalName == txXPathAtoms::stringLength ||
00110                   qname.mLocalName == txXPathAtoms::substring ||
00111                   qname.mLocalName == txXPathAtoms::substringAfter ||
00112                   qname.mLocalName == txXPathAtoms::substringBefore ||
00113                   qname.mLocalName == txXPathAtoms::sum ||
00114                   qname.mLocalName == txXPathAtoms::translate ||
00115                   qname.mLocalName == txXPathAtoms::_true ||
00116                   qname.mLocalName == txXSLTAtoms::current ||
00117                   qname.mLocalName == txXSLTAtoms::document ||
00118                   qname.mLocalName == txXSLTAtoms::elementAvailable ||
00119                   qname.mLocalName == txXSLTAtoms::formatNumber ||
00120                   qname.mLocalName == txXSLTAtoms::functionAvailable ||
00121                   qname.mLocalName == txXSLTAtoms::generateId ||
00122                   qname.mLocalName == txXSLTAtoms::key ||
00123                   //qname.mLocalName == txXSLTAtoms::unparsedEntityUri ||
00124                   qname.mLocalName == txXSLTAtoms::systemProperty);
00125 
00126     aContext->recycler()->getBoolResult(val, aResult);
00127         
00128     return NS_OK;
00129 
00130 }
00131 
00132 #ifdef TX_TO_STRING
00133 nsresult
00134 FunctionAvailableFunctionCall::getNameAtom(nsIAtom** aAtom)
00135 {
00136     *aAtom = txXSLTAtoms::functionAvailable;
00137     NS_ADDREF(*aAtom);
00138     return NS_OK;
00139 }
00140 #endif