mirror of
https://github.com/mozilla/gecko-dev.git
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118 lines
2.6 KiB
C++
118 lines
2.6 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef MOZILLA_GFX_LOGGING_H_
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#define MOZILLA_GFX_LOGGING_H_
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#include <string>
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#include <sstream>
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#include <stdio.h>
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#include "Point.h"
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#include "Matrix.h"
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#ifdef WIN32
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#include <windows.h>
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#endif
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#ifdef PR_LOGGING
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#include <prlog.h>
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extern PRLogModuleInfo *sGFX2DLog;
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#endif
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namespace mozilla {
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namespace gfx {
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const int LOG_DEBUG = 1;
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const int LOG_WARNING = 2;
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#ifdef PR_LOGGING
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inline PRLogModuleLevel PRLogLevelForLevel(int aLevel) {
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switch (aLevel) {
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case LOG_DEBUG:
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return PR_LOG_DEBUG;
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case LOG_WARNING:
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return PR_LOG_WARNING;
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}
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return PR_LOG_DEBUG;
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}
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#endif
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extern int sGfxLogLevel;
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static void OutputMessage(const std::string &aString, int aLevel) {
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#if defined(WIN32) && !defined(PR_LOGGING)
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if (aLevel >= sGfxLogLevel) {
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::OutputDebugStringA(aString.c_str());
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}
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#elif defined(PR_LOGGING)
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if (PR_LOG_TEST(sGFX2DLog, PRLogLevelForLevel(aLevel))) {
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PR_LogPrint(aString.c_str());
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}
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#else
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if (aLevel >= sGfxLogLevel) {
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printf("%s", aString.c_str());
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}
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#endif
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}
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class NoLog
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{
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public:
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NoLog() {}
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~NoLog() {}
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template<typename T>
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NoLog &operator <<(const T &aLogText) { return *this; }
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};
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template<int L>
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class Log
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{
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public:
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Log() {}
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~Log() { mMessage << '\n'; WriteLog(mMessage.str()); }
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Log &operator <<(const std::string &aLogText) { mMessage << aLogText; return *this; }
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Log &operator <<(unsigned int aInt) { mMessage << aInt; return *this; }
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Log &operator <<(const Size &aSize)
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{ mMessage << "(" << aSize.width << "x" << aSize.height << ")"; return *this; }
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Log &operator <<(const IntSize &aSize)
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{ mMessage << "(" << aSize.width << "x" << aSize.height << ")"; return *this; }
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Log &operator<<(const Matrix& aMatrix)
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{ mMessage << "[ " << aMatrix._11 << " " << aMatrix._12 << " ; " << aMatrix._21 << " " << aMatrix._22 << " ; " << aMatrix._31 << " " << aMatrix._32 << " ]"; return *this; }
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private:
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void WriteLog(const std::string &aString) {
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OutputMessage(aString, L);
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}
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std::stringstream mMessage;
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};
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typedef Log<LOG_DEBUG> DebugLog;
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typedef Log<LOG_WARNING> WarningLog;
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#ifdef GFX_LOG_DEBUG
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#define gfxDebug DebugLog
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#else
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#define gfxDebug if (1) ; else NoLog
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#endif
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#ifdef GFX_LOG_WARNING
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#define gfxWarning WarningLog
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#else
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#define gfxWarning if (1) ; else NoLog
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#endif
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}
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}
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#endif /* MOZILLA_GFX_LOGGING_H_ */
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