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/* -*- 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
* Axel Hecht.
* Portions created by the Initial Developer are Copyright (C) 2001
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Axel Hecht <axel@pike.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: system-property
*/
/**
* Creates a new system-property function call
* aNode is the Element in the stylesheet containing the
* Expr and is used for namespaceID resolution
**/
SystemPropertyFunctionCall::SystemPropertyFunctionCall(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
SystemPropertyFunctionCall::evaluate(txIEvalContext* aContext,
txAExprResult** aResult)
{
*aResult = nsnull;
if (!requireParams(1, 1, aContext)) {
return NS_ERROR_XPATH_BAD_ARGUMENT_COUNT;
}
txListIterator iter(¶ms);
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);
if (qname.mNamespaceID == kNameSpaceID_XSLT) {
if (qname.mLocalName == txXSLTAtoms::version) {
return aContext->recycler()->getNumberResult(1.0, aResult);
}
if (qname.mLocalName == txXSLTAtoms::vendor) {
return aContext->recycler()->getStringResult(
NS_LITERAL_STRING("Transformiix"), aResult);
}
if (qname.mLocalName == txXSLTAtoms::vendorUrl) {
return aContext->recycler()->getStringResult(
NS_LITERAL_STRING("http://www.mozilla.org/projects/xslt/"),
aResult);
}
}
aContext->recycler()->getEmptyStringResult(aResult);
return NS_OK;
}
#ifdef TX_TO_STRING
nsresult
SystemPropertyFunctionCall::getNameAtom(nsIAtom** aAtom)
{
*aAtom = txXSLTAtoms::systemProperty;
NS_ADDREF(*aAtom);
return NS_OK;
}
#endif
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