RetroZilla/extensions/transformiix/source/xslt/functions/ElementAvailableFnCall.cpp

142 lines
5.7 KiB
C++
Raw Normal View History

2015-10-21 05:03:22 +02:00
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is TransforMiiX XSLT processor code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Peter Van der Beken <peterv@propagandism.org>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "txIXPathContext.h"
#include "txAtoms.h"
#include "txError.h"
#include "XMLUtils.h"
#include "XSLTFunctions.h"
#include "ExprResult.h"
#include "txNamespaceMap.h"
/*
Implementation of XSLT 1.0 extension function: element-available
*/
/**
* Creates a new element-available function call
* aNode is the Element in the stylesheet containing the
* Expr and is used for namespaceID resolution
**/
ElementAvailableFunctionCall::ElementAvailableFunctionCall(txNamespaceMap* aMappings)
: mMappings(aMappings)
{
}
/**
* Evaluates this Expr based on the given context node and processor state
* @param context the context node for evaluation of this Expr
* @param cs the ContextState containing the stack information needed
* for evaluation
* @return the result of the evaluation
* @see FunctionCall.h
**/
nsresult
ElementAvailableFunctionCall::evaluate(txIEvalContext* aContext,
txAExprResult** aResult)
{
*aResult = nsnull;
if (!requireParams(1, 1, aContext)) {
return NS_ERROR_XPATH_BAD_ARGUMENT_COUNT;
}
txListIterator iter(&params);
Expr* param = (Expr*) iter.next();
nsRefPtr<txAExprResult> exprResult;
nsresult rv = param->evaluate(aContext, getter_AddRefs(exprResult));
NS_ENSURE_SUCCESS(rv, rv);
nsAutoString property;
exprResult->stringValue(property);
txExpandedName qname;
rv = qname.init(property, mMappings, MB_TRUE);
NS_ENSURE_SUCCESS(rv, rv);
PRBool val = qname.mNamespaceID == kNameSpaceID_XSLT &&
(qname.mLocalName == txXSLTAtoms::applyImports ||
qname.mLocalName == txXSLTAtoms::applyTemplates ||
qname.mLocalName == txXSLTAtoms::attribute ||
qname.mLocalName == txXSLTAtoms::attributeSet ||
qname.mLocalName == txXSLTAtoms::callTemplate ||
qname.mLocalName == txXSLTAtoms::choose ||
qname.mLocalName == txXSLTAtoms::comment ||
qname.mLocalName == txXSLTAtoms::copy ||
qname.mLocalName == txXSLTAtoms::copyOf ||
qname.mLocalName == txXSLTAtoms::decimalFormat ||
qname.mLocalName == txXSLTAtoms::element ||
qname.mLocalName == txXSLTAtoms::fallback ||
qname.mLocalName == txXSLTAtoms::forEach ||
qname.mLocalName == txXSLTAtoms::_if ||
qname.mLocalName == txXSLTAtoms::import ||
qname.mLocalName == txXSLTAtoms::include ||
qname.mLocalName == txXSLTAtoms::key ||
qname.mLocalName == txXSLTAtoms::message ||
//qname.mLocalName == txXSLTAtoms::namespaceAlias ||
qname.mLocalName == txXSLTAtoms::number ||
qname.mLocalName == txXSLTAtoms::otherwise ||
qname.mLocalName == txXSLTAtoms::output ||
qname.mLocalName == txXSLTAtoms::param ||
qname.mLocalName == txXSLTAtoms::preserveSpace ||
qname.mLocalName == txXSLTAtoms::processingInstruction ||
qname.mLocalName == txXSLTAtoms::sort ||
qname.mLocalName == txXSLTAtoms::stripSpace ||
qname.mLocalName == txXSLTAtoms::stylesheet ||
qname.mLocalName == txXSLTAtoms::_template ||
qname.mLocalName == txXSLTAtoms::text ||
qname.mLocalName == txXSLTAtoms::transform ||
qname.mLocalName == txXSLTAtoms::valueOf ||
qname.mLocalName == txXSLTAtoms::variable ||
qname.mLocalName == txXSLTAtoms::when ||
qname.mLocalName == txXSLTAtoms::withParam);
aContext->recycler()->getBoolResult(val, aResult);
return NS_OK;
}
#ifdef TX_TO_STRING
nsresult
ElementAvailableFunctionCall::getNameAtom(nsIAtom** aAtom)
{
*aAtom = txXSLTAtoms::elementAvailable;
NS_ADDREF(*aAtom);
return NS_OK;
}
#endif