1/* 2 * Copyright (C) 2003, 2006, 2013 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#include "config.h" 27#include "Logging.h" 28 29#include <wtf/StdLibExtras.h> 30#include <wtf/text/CString.h> 31#include <wtf/text/WTFString.h> 32 33#if !LOG_DISABLED 34 35namespace WebCore { 36 37#define DEFINE_LOG_CHANNEL(name) \ 38 WTFLogChannel JOIN_LOG_CHANNEL_WITH_PREFIX(LOG_CHANNEL_PREFIX, name) = { WTFLogChannelOff, #name }; 39WEBCORE_LOG_CHANNELS(DEFINE_LOG_CHANNEL) 40 41#define LOG_CHANNEL_ADDRESS(name) &JOIN_LOG_CHANNEL_WITH_PREFIX(LOG_CHANNEL_PREFIX, name), 42WTFLogChannel* logChannels[] = { 43 WEBCORE_LOG_CHANNELS(LOG_CHANNEL_ADDRESS) 44}; 45 46size_t logChannelCount = WTF_ARRAY_LENGTH(logChannels); 47 48bool isLogChannelEnabled(const String& name) 49{ 50 WTFLogChannel* channel = WTFLogChannelByName(logChannels, logChannelCount, name.utf8().data()); 51 if (!channel) 52 return false; 53 return channel->state != WTFLogChannelOff; 54} 55 56void initializeLoggingChannelsIfNecessary() 57{ 58 static bool haveInitializedLoggingChannels = false; 59 if (haveInitializedLoggingChannels) 60 return; 61 haveInitializedLoggingChannels = true; 62 63 WTFInitializeLogChannelStatesFromString(logChannels, logChannelCount, logLevelString().utf8().data()); 64} 65 66} 67 68#endif // !LOG_DISABLED 69