MySQL 5.1: mysql/src/5.1-dbg/storage/ndb/include/util/NdbOut.hpp Source File
mysql/src/5.1-dbg/storage/ndb/include/util/NdbOut.hpp

00001 /* Copyright (C) 2003 MySQL AB
00002 
00003    This program is free software; you can redistribute it and/or modify
00004    it under the terms of the GNU General Public License as published by
00005    the Free Software Foundation; either version 2 of the License, or
00006    (at your option) any later version.
00007 
00008    This program is distributed in the hope that it will be useful,
00009    but WITHOUT ANY WARRANTY; without even the implied warranty of
00010    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00011    GNU General Public License for more details.
00012 
00013    You should have received a copy of the GNU General Public License
00014    along with this program; if not, write to the Free Software
00015    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
00016 
00017 #ifndef NDBOUT_H
00018 #define NDBOUT_H
00019 
00020 #ifdef  __cplusplus
00021 
00022 #include <ndb_types.h>
00023 #include <util/BaseString.hpp>
00024 
00031 /* 
00032    Example usage:
00033    
00034    #include "NdbOut.hpp"
00035    
00036    / *  Use ndbout as you would use cout:
00037    
00038         ndbout << "Hello World! "<< 1 << " Hello again" 
00039                << 67 << anIntegerVar << "Hup << endl;
00040    
00041    
00042    / * Use ndbout_c as you would use printf:
00043    
00044        ndbout_c("Hello World %d\n", 1);
00045 */
00046 
00047 class NdbOut;
00048 class OutputStream;
00049 class NullOutputStream;
00050 
00051 /*  Declare a static variable of NdbOut as ndbout */
00052 extern NdbOut ndbout;
00053 
00054 class NdbOut
00055 {
00056 public:
00057   NdbOut& operator<<(NdbOut& (* _f)(NdbOut&));
00058   NdbOut& operator<<(Int8);
00059   NdbOut& operator<<(Uint8);
00060   NdbOut& operator<<(Int16);
00061   NdbOut& operator<<(Uint16);
00062   NdbOut& operator<<(Int32);
00063   NdbOut& operator<<(Uint32);
00064   NdbOut& operator<<(Int64);
00065   NdbOut& operator<<(Uint64);
00066   NdbOut& operator<<(long unsigned int);
00067   NdbOut& operator<<(const char*);
00068   NdbOut& operator<<(const unsigned char*);
00069   NdbOut& operator<<(BaseString &);
00070   NdbOut& operator<<(const void*);
00071   NdbOut& operator<<(float);
00072   NdbOut& operator<<(double);
00073   NdbOut& endline(void);
00074   NdbOut& flushline(void);
00075   NdbOut& setHexFormat(int _format);
00076   
00077   NdbOut(OutputStream &);
00078   virtual ~NdbOut();
00079 
00080   void print(const char * fmt, ...);
00081   void println(const char * fmt, ...);
00082   
00083   OutputStream * m_out;
00084 private:
00085   int isHex;
00086 };
00087 
00088 inline NdbOut& NdbOut::operator<<(NdbOut& (* _f)(NdbOut&)) {
00089   (* _f)(*this); 
00090   return * this; 
00091 }
00092 
00093 inline NdbOut&  endl(NdbOut& _NdbOut) { 
00094   return _NdbOut.endline(); 
00095 }
00096 
00097 inline NdbOut&  flush(NdbOut& _NdbOut) { 
00098   return _NdbOut.flushline(); 
00099 }
00100 
00101 inline  NdbOut& hex(NdbOut& _NdbOut) {
00102   return _NdbOut.setHexFormat(1);
00103 }
00104 
00105 inline NdbOut& dec(NdbOut& _NdbOut) {
00106   return _NdbOut.setHexFormat(0);
00107 }
00108 extern "C"
00109 void ndbout_c(const char * fmt, ...);
00110 
00111 class FilteredNdbOut : public NdbOut {
00112 public:
00113   FilteredNdbOut(OutputStream &, int threshold = 0, int level = 0);
00114   virtual ~FilteredNdbOut();
00115 
00116   void setLevel(int i);
00117   void setThreshold(int i);
00118 
00119   int getLevel() const;
00120   int getThreshold() const;
00121   
00122 private:
00123   int m_threshold, m_level;
00124   OutputStream * m_org;
00125   NullOutputStream * m_null;
00126 };
00127 
00128 #else
00129 void ndbout_c(const char * fmt, ...);
00130 #endif
00131 
00132 #endif
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