mirror of
https://github.com/classilla/tenfourfox.git
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129 lines
3.0 KiB
C++
129 lines
3.0 KiB
C++
// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef BASE_LOGGING_H_
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#define BASE_LOGGING_H_
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#include <string>
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#include <cstring>
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#include "base/basictypes.h"
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#include "mozilla/Logging.h"
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#ifdef NO_CHROMIUM_LOGGING
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#include <sstream>
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#endif
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// Replace the Chromium logging code with NSPR-based logging code and
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// some C++ wrappers to emulate std::ostream
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namespace mozilla {
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enum LogSeverity {
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LOG_INFO,
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LOG_WARNING,
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LOG_ERROR,
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LOG_ERROR_REPORT,
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LOG_FATAL,
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LOG_0 = LOG_ERROR
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};
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class Logger
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{
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public:
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Logger(LogSeverity severity, const char* file, int line)
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: mSeverity(severity)
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, mFile(file)
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, mLine(line)
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, mMsg(NULL)
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{ }
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~Logger();
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// not private so that the operator<< overloads can get to it
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void printf(const char* fmt, ...);
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private:
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static PRLogModuleInfo* gChromiumPRLog;
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static PRLogModuleInfo* GetLog();
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LogSeverity mSeverity;
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const char* mFile;
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int mLine;
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char* mMsg;
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DISALLOW_EVIL_CONSTRUCTORS(Logger);
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};
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class LogWrapper
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{
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public:
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LogWrapper(LogSeverity severity, const char* file, int line) :
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log(severity, file, line) { }
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operator Logger&() const { return log; }
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private:
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mutable Logger log;
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DISALLOW_EVIL_CONSTRUCTORS(LogWrapper);
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};
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struct EmptyLog
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{
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};
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} // namespace mozilla
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mozilla::Logger& operator<<(mozilla::Logger& log, const char* s);
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mozilla::Logger& operator<<(mozilla::Logger& log, const std::string& s);
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mozilla::Logger& operator<<(mozilla::Logger& log, int i);
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mozilla::Logger& operator<<(mozilla::Logger& log, const std::wstring& s);
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mozilla::Logger& operator<<(mozilla::Logger& log, void* p);
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template<class T>
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const mozilla::EmptyLog& operator <<(const mozilla::EmptyLog& log, const T&)
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{
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return log;
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}
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#ifdef NO_CHROMIUM_LOGGING
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#define CHROMIUM_LOG(info) std::stringstream()
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#define LOG_IF(info, condition) if (!(condition)) std::stringstream()
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#else
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#define CHROMIUM_LOG(info) mozilla::LogWrapper(mozilla::LOG_ ## info, __FILE__, __LINE__)
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#define LOG_IF(info, condition) \
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if (!(condition)) mozilla::LogWrapper(mozilla::LOG_ ## info, __FILE__, __LINE__)
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#endif
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#ifdef DEBUG
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#define DLOG(info) CHROMIUM_LOG(info)
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#define DLOG_IF(info) LOG_IF(info)
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#define DCHECK(condition) CHECK(condition)
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#else
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#define DLOG(info) mozilla::EmptyLog()
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#define DLOG_IF(info, condition) mozilla::EmptyLog()
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#define DCHECK(condition) while (false && (condition)) mozilla::EmptyLog()
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#endif
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#undef LOG_ASSERT
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#define LOG_ASSERT(cond) CHECK(0)
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#define DLOG_ASSERT(cond) DCHECK(0)
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#define NOTREACHED() CHROMIUM_LOG(ERROR)
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#define NOTIMPLEMENTED() CHROMIUM_LOG(ERROR)
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#undef CHECK
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#define CHECK(condition) LOG_IF(FATAL, condition)
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#define DCHECK_EQ(v1, v2) DCHECK((v1) == (v2))
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#define DCHECK_NE(v1, v2) DCHECK((v1) != (v2))
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#define DCHECK_LE(v1, v2) DCHECK((v1) <= (v2))
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#define DCHECK_LT(v1, v2) DCHECK((v1) < (v2))
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#define DCHECK_GE(v1, v2) DCHECK((v1) >= (v2))
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#define DCHECK_GT(v1, v2) DCHECK((v1) > (v2))
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#endif // BASE_LOGGING_H_
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