1 /*
2 * Copyright (C) 2008 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 "PlatformString.h"
30 #include <wtf/OwnArrayPtr.h>
31
32 namespace WebCore {
33
initializeWithUserDefault(WTFLogChannel & channel)34 static inline void initializeWithUserDefault(WTFLogChannel& channel)
35 {
36 DWORD length = GetEnvironmentVariableA(channel.defaultName, 0, 0);
37 if (!length)
38 return;
39
40 OwnArrayPtr<char> buffer = adoptArrayPtr(new char[length]);
41
42 if (!GetEnvironmentVariableA(channel.defaultName, buffer.get(), length))
43 return;
44
45 String variableValue(buffer.get());
46
47 static const String& hexadecimalPrefix = *new String("0x");
48 if (variableValue.length() < 3 || !variableValue.startsWith(hexadecimalPrefix, false)) {
49 LOG_ERROR("Unable to parse hex value for %s (%s), logging is off", channel.defaultName, buffer.get());
50 return;
51 }
52
53 String unprefixedValue = variableValue.substring(2);
54
55 // Now parse the unprefixed string as a hexadecimal number.
56 bool parsedSuccessfully = false;
57 unsigned logLevel = unprefixedValue.toUIntStrict(&parsedSuccessfully, 16);
58
59 if (!parsedSuccessfully) {
60 LOG_ERROR("Unable to parse hex value for %s (%s), logging is off", channel.defaultName, buffer.get());
61 return;
62 }
63
64 if ((logLevel & channel.mask) == channel.mask)
65 channel.state = WTFLogChannelOn;
66 else
67 channel.state = WTFLogChannelOff;
68 }
69
InitializeLoggingChannelsIfNecessary()70 void InitializeLoggingChannelsIfNecessary()
71 {
72 static bool haveInitializedLoggingChannels = false;
73 if (haveInitializedLoggingChannels)
74 return;
75 haveInitializedLoggingChannels = true;
76
77 initializeWithUserDefault(LogNotYetImplemented);
78 initializeWithUserDefault(LogFrames);
79 initializeWithUserDefault(LogLoading);
80 initializeWithUserDefault(LogPopupBlocking);
81 initializeWithUserDefault(LogEvents);
82 initializeWithUserDefault(LogEditing);
83 initializeWithUserDefault(LogLiveConnect);
84 initializeWithUserDefault(LogIconDatabase);
85 initializeWithUserDefault(LogSQLDatabase);
86 initializeWithUserDefault(LogSpellingAndGrammar);
87 initializeWithUserDefault(LogBackForward);
88 initializeWithUserDefault(LogHistory);
89 initializeWithUserDefault(LogPageCache);
90 initializeWithUserDefault(LogPlatformLeaks);
91 initializeWithUserDefault(LogResourceLoading);
92 initializeWithUserDefault(LogNetwork);
93 initializeWithUserDefault(LogFTP);
94 initializeWithUserDefault(LogThreading);
95 initializeWithUserDefault(LogStorageAPI);
96 initializeWithUserDefault(LogMedia);
97 initializeWithUserDefault(LogPlugins);
98 initializeWithUserDefault(LogArchives);
99 initializeWithUserDefault(LogProgress);
100 initializeWithUserDefault(LogFileAPI);
101 }
102
103 } // namespace WebCore
104