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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsGkAtoms.h"
#include "txXSLTFunctions.h"
#include "txExecutionState.h"
/*
Implementation of XSLT 1.0 extension function: current
*/
/**
* Creates a new current function call
**/
CurrentFunctionCall::CurrentFunctionCall()
{
}
/*
* Evaluates this Expr
*
* @return NodeSet containing the context node used for the complete
* Expr or Pattern.
*/
nsresult
CurrentFunctionCall::evaluate(txIEvalContext* aContext, txAExprResult** aResult)
{
*aResult = nullptr;
if (!requireParams(0, 0, aContext))
return NS_ERROR_XPATH_BAD_ARGUMENT_COUNT;
txExecutionState* es =
static_cast<txExecutionState*>(aContext->getPrivateContext());
if (!es) {
NS_ERROR(
"called xslt extension function \"current\" with wrong context");
return NS_ERROR_UNEXPECTED;
}
return aContext->recycler()->getNodeSet(
es->getEvalContext()->getContextNode(), aResult);
}
Expr::ResultType
CurrentFunctionCall::getReturnType()
{
return NODESET_RESULT;
}
bool
CurrentFunctionCall::isSensitiveTo(ContextSensitivity aContext)
{
return !!(aContext & PRIVATE_CONTEXT);
}
#ifdef TX_TO_STRING
nsresult
CurrentFunctionCall::getNameAtom(nsIAtom** aAtom)
{
*aAtom = nsGkAtoms::current;
NS_ADDREF(*aAtom);
return NS_OK;
}
#endif
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