/* 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() =
default;
/*
* 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
void CurrentFunctionCall::appendName(nsAString& aDest) {
aDest.Append(nsGkAtoms::current->GetUTF16String());
}
#endif
