LCOV - code coverage report
Current view: directory - gfx/2d - Logging.h (source / functions) Found Hit Coverage
Test: app.info Lines: 13 0 0.0 %
Date: 2012-06-02 Functions: 11 0 0.0 %

       1                 : /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
       2                 :  * ***** BEGIN LICENSE BLOCK *****
       3                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       4                 :  *
       5                 :  * The contents of this file are subject to the Mozilla Public License Version
       6                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       7                 :  * the License. You may obtain a copy of the License at
       8                 :  * http://www.mozilla.org/MPL/
       9                 :  *
      10                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      11                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      12                 :  * for the specific language governing rights and limitations under the
      13                 :  * License.
      14                 :  *
      15                 :  * The Original Code is Mozilla Corporation code.
      16                 :  *
      17                 :  * The Initial Developer of the Original Code is Mozilla Foundation.
      18                 :  * Portions created by the Initial Developer are Copyright (C) 2011
      19                 :  * the Initial Developer. All Rights Reserved.
      20                 :  *
      21                 :  * Contributor(s):
      22                 :  *   Bas Schouten <bschouten@mozilla.com>
      23                 :  *
      24                 :  * Alternatively, the contents of this file may be used under the terms of
      25                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      26                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      27                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      28                 :  * of those above. If you wish to allow use of your version of this file only
      29                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      30                 :  * use your version of this file under the terms of the MPL, indicate your
      31                 :  * decision by deleting the provisions above and replace them with the notice
      32                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      33                 :  * the provisions above, a recipient may use your version of this file under
      34                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      35                 :  *
      36                 :  * ***** END LICENSE BLOCK ***** */
      37                 : 
      38                 : #ifndef MOZILLA_GFX_LOGGING_H_
      39                 : #define MOZILLA_GFX_LOGGING_H_
      40                 : 
      41                 : #include <string>
      42                 : #include <sstream>
      43                 : #include <stdio.h>
      44                 : 
      45                 : #include "Point.h"
      46                 : #include "Matrix.h"
      47                 : 
      48                 : #ifdef WIN32
      49                 : #include <windows.h>
      50                 : #endif
      51                 : 
      52                 : #ifdef PR_LOGGING
      53                 : #include <prlog.h>
      54                 : 
      55                 : extern PRLogModuleInfo *sGFX2DLog;
      56                 : #endif
      57                 : 
      58                 : namespace mozilla {
      59                 : namespace gfx {
      60                 : 
      61                 : const int LOG_DEBUG = 1;
      62                 : const int LOG_WARNING = 2;
      63                 : 
      64                 : #ifdef PR_LOGGING
      65                 : 
      66                 : inline PRLogModuleLevel PRLogLevelForLevel(int aLevel) {
      67                 :   switch (aLevel) {
      68                 :   case LOG_DEBUG:
      69                 :     return PR_LOG_DEBUG;
      70                 :   case LOG_WARNING:
      71                 :     return PR_LOG_WARNING;
      72                 :   }
      73                 :   return PR_LOG_DEBUG;
      74                 : }
      75                 : 
      76                 : #endif
      77                 : 
      78                 : extern int sGfxLogLevel;
      79                 : 
      80               0 : static void OutputMessage(const std::string &aString, int aLevel) {
      81                 : #if defined(WIN32) && !defined(PR_LOGGING)
      82                 :   if (aLevel >= sGfxLogLevel) {
      83                 :     ::OutputDebugStringA(aString.c_str());
      84                 :   }
      85                 : #elif defined(PR_LOGGING)
      86                 :   if (PR_LOG_TEST(sGFX2DLog, PRLogLevelForLevel(aLevel))) {
      87                 :     PR_LogPrint(aString.c_str());
      88                 :   }
      89                 : #else
      90               0 :   if (aLevel >= sGfxLogLevel) {
      91               0 :     printf("%s", aString.c_str());
      92                 :   }
      93                 : #endif
      94               0 : }
      95                 : 
      96                 : class NoLog
      97                 : {
      98                 : public:
      99                 :   NoLog() {}
     100                 :   ~NoLog() {}
     101                 : 
     102                 :   template<typename T>
     103                 :   NoLog &operator <<(const T &aLogText) { return *this; }
     104                 : };
     105                 : 
     106                 : template<int L>
     107                 : class Log
     108                 : {
     109                 : public:
     110               0 :   Log() {}
     111               0 :   ~Log() { mMessage << '\n'; WriteLog(mMessage.str()); }
     112                 : 
     113               0 :   Log &operator <<(const std::string &aLogText) { mMessage << aLogText; return *this; }
     114               0 :   Log &operator <<(unsigned int aInt) { mMessage << aInt; return *this; }
     115                 :   Log &operator <<(const Size &aSize)
     116                 :     { mMessage << "(" << aSize.width << "x" << aSize.height << ")"; return *this; }
     117               0 :   Log &operator <<(const IntSize &aSize)
     118               0 :     { mMessage << "(" << aSize.width << "x" << aSize.height << ")"; return *this; }
     119                 :   Log &operator<<(const Matrix& aMatrix)
     120                 :     { mMessage << "[ " << aMatrix._11 << " " << aMatrix._12 << " ; " << aMatrix._21 << " " << aMatrix._22 << " ; " << aMatrix._31 << " " << aMatrix._32 << " ]"; return *this; }
     121                 : 
     122                 : 
     123                 : private:
     124                 : 
     125               0 :   void WriteLog(const std::string &aString) {
     126               0 :     OutputMessage(aString, L);
     127               0 :   }
     128                 : 
     129                 :   std::stringstream mMessage;
     130                 : };
     131                 : 
     132                 : typedef Log<LOG_DEBUG> DebugLog;
     133                 : typedef Log<LOG_WARNING> WarningLog;
     134                 : 
     135                 : #ifdef GFX_LOG_DEBUG
     136                 : #define gfxDebug DebugLog
     137                 : #else
     138                 : #define gfxDebug if (1) ; else NoLog
     139                 : #endif
     140                 : #ifdef GFX_LOG_WARNING
     141                 : #define gfxWarning WarningLog
     142                 : #else
     143                 : #define gfxWarning if (1) ; else NoLog
     144                 : #endif
     145                 : 
     146                 : }
     147                 : }
     148                 : 
     149                 : #endif /* MOZILLA_GFX_LOGGING_H_ */

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