txErrorExpr.cpp - mozsearch

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* 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 "nsError.h"

#include "txExpr.h"

#include "nsString.h"

#include "txIXPathContext.h"

nsresult txErrorExpr::evaluate(txIEvalContext* aContext,

                               txAExprResult** aResult) {

  *aResult = nullptr;

  nsAutoString err(u"Invalid expression evaluated"_ns);

#ifdef TX_TO_STRING

  err.AppendLiteral(": ");

  toString(err);

#endif

  aContext->receiveError(err, NS_ERROR_XPATH_INVALID_EXPRESSION_EVALUATED);

  return NS_ERROR_XPATH_INVALID_EXPRESSION_EVALUATED;

TX_IMPL_EXPR_STUBS_0(txErrorExpr, ANY_RESULT)

bool txErrorExpr::isSensitiveTo(ContextSensitivity aContext) {

  // It doesn't really matter what we return here, but it might

  // be a good idea to try to keep this as unoptimizable as possible

  return true;

#ifdef TX_TO_STRING

void txErrorExpr::toString(nsAString& aStr) { aStr.Append(mStr); }

#endif