141 lines
5.9 KiB
C++
141 lines
5.9 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: NPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Peter Van der Beken <peterv@netscape.com>
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*
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the NPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the NPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "txIXPathContext.h"
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#include "txAtoms.h"
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#include "XMLUtils.h"
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#include "XSLTFunctions.h"
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/*
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Implementation of XSLT 1.0 extension function: function-available
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*/
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/**
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* Creates a new function-available function call
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**/
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FunctionAvailableFunctionCall::FunctionAvailableFunctionCall(Node* aQNameResolveNode)
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: mQNameResolveNode(aQNameResolveNode)
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{
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}
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/**
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* Evaluates this Expr based on the given context node and processor state
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* @param context the context node for evaluation of this Expr
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* @param cs the ContextState containing the stack information needed
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* for evaluation
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* @return the result of the evaluation
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* @see FunctionCall.h
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**/
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ExprResult* FunctionAvailableFunctionCall::evaluate(txIEvalContext* aContext)
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{
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ExprResult* result = NULL;
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if (requireParams(1, 1, aContext)) {
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txListIterator iter(¶ms);
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Expr* param = (Expr*)iter.next();
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ExprResult* exprResult = param->evaluate(aContext);
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if (exprResult &&
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exprResult->getResultType() == ExprResult::STRING) {
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String property;
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exprResult->stringValue(property);
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txExpandedName qname;
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nsresult rv = qname.init(property, mQNameResolveNode, MB_FALSE);
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if (NS_SUCCEEDED(rv) &&
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qname.mNamespaceID == kNameSpaceID_None &&
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(qname.mLocalName == txXPathAtoms::boolean ||
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qname.mLocalName == txXPathAtoms::ceiling ||
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qname.mLocalName == txXPathAtoms::concat ||
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qname.mLocalName == txXPathAtoms::contains ||
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qname.mLocalName == txXPathAtoms::count ||
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qname.mLocalName == txXPathAtoms::_false ||
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qname.mLocalName == txXPathAtoms::floor ||
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qname.mLocalName == txXPathAtoms::id ||
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qname.mLocalName == txXPathAtoms::lang ||
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qname.mLocalName == txXPathAtoms::last ||
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qname.mLocalName == txXPathAtoms::localName ||
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qname.mLocalName == txXPathAtoms::name ||
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qname.mLocalName == txXPathAtoms::namespaceUri ||
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qname.mLocalName == txXPathAtoms::normalizeSpace ||
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qname.mLocalName == txXPathAtoms::_not ||
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qname.mLocalName == txXPathAtoms::number ||
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qname.mLocalName == txXPathAtoms::position ||
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qname.mLocalName == txXPathAtoms::round ||
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qname.mLocalName == txXPathAtoms::startsWith ||
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qname.mLocalName == txXPathAtoms::string ||
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qname.mLocalName == txXPathAtoms::stringLength ||
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qname.mLocalName == txXPathAtoms::substring ||
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qname.mLocalName == txXPathAtoms::substringAfter ||
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qname.mLocalName == txXPathAtoms::substringBefore ||
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qname.mLocalName == txXPathAtoms::sum ||
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qname.mLocalName == txXPathAtoms::translate ||
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qname.mLocalName == txXPathAtoms::_true ||
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qname.mLocalName == txXSLTAtoms::current ||
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qname.mLocalName == txXSLTAtoms::document ||
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qname.mLocalName == txXSLTAtoms::elementAvailable ||
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qname.mLocalName == txXSLTAtoms::formatNumber ||
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qname.mLocalName == txXSLTAtoms::functionAvailable ||
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qname.mLocalName == txXSLTAtoms::generateId ||
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qname.mLocalName == txXSLTAtoms::key ||
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// qname.mLocalName == txXSLTAtoms::unparsedEntityUri ||
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qname.mLocalName == txXSLTAtoms::systemProperty)) {
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result = new BooleanResult(MB_TRUE);
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}
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}
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else {
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String err(NS_LITERAL_STRING("Invalid argument passed to function-available, expecting String"));
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aContext->receiveError(err, NS_ERROR_XPATH_INVALID_ARG);
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result = new StringResult(err);
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}
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delete exprResult;
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}
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if (!result) {
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result = new BooleanResult(MB_FALSE);
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}
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return result;
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}
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nsresult FunctionAvailableFunctionCall::getNameAtom(txAtom** aAtom)
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{
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*aAtom = txXSLTAtoms::functionAvailable;
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TX_ADDREF_ATOM(*aAtom);
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return NS_OK;
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}
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