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

 *

 * 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 "nsCache.h"

#include "nsReadableUtils.h"

#include "nsDependentSubstring.h"

#include "nsString.h"

#include "mozilla/IntegerPrintfMacros.h"

/**

 * Cache Service Utility Functions

 */

mozilla::LazyLogModule gCacheLog("cache");

void

CacheLogPrintPath(mozilla::LogLevel level, const char * format, nsIFile * item)

{

    MOZ_LOG(gCacheLog, level, (format, item->HumanReadablePath().get()));

}

uint32_t

SecondsFromPRTime(PRTime prTime)

{

  int64_t  microSecondsPerSecond = PR_USEC_PER_SEC;

  return uint32_t(prTime / microSecondsPerSecond);

}

PRTime

PRTimeFromSeconds(uint32_t seconds)

{

  int64_t intermediateResult = seconds;

  PRTime prTime = intermediateResult * PR_USEC_PER_SEC;

  return prTime;

}

nsresult

ClientIDFromCacheKey(const nsACString& key, nsACString& result)

{

    nsReadingIterator<char> colon;

    key.BeginReading(colon);

    nsReadingIterator<char> start;

    key.BeginReading(start);

    nsReadingIterator<char> end;

    key.EndReading(end);

    if (FindCharInReadable(':', colon, end)) {

        result.Assign(Substring(start, colon));

        return NS_OK;

    }

    NS_ASSERTION(false, "FindCharInRead failed to find ':'");

    return NS_ERROR_UNEXPECTED;

}

nsresult

ClientKeyFromCacheKey(const nsCString& key, nsACString &result)

{

    nsReadingIterator<char> start;

    key.BeginReading(start);

    nsReadingIterator<char> end;

    key.EndReading(end);

    if (FindCharInReadable(':', start, end)) {

        ++start;  // advance past clientID ':' delimiter

        result.Assign(Substring(start, end));

        return NS_OK;

    }

    NS_ASSERTION(false, "FindCharInRead failed to find ':'");

    result.Truncate(0);

    return NS_ERROR_UNEXPECTED;

}