cinelerra-5.1/tools/makeappimagetool/includes/log.h

   1 // system includes
   2 #include <iostream>
   3
   4 // library includes
   5 #include <boost/filesystem.hpp>
   6
   7 #pragma once
   8
   9 namespace linuxdeploy {
  10     namespace core {
  11         namespace log {
  12             enum LD_LOGLEVEL {
  13                 LD_DEBUG = 0,
  14                 LD_INFO,
  15                 LD_WARNING,
  16                 LD_ERROR
  17             };
  18
  19             enum LD_STREAM_CONTROL {
  20                 LD_NOOP = 0,
  21                 LD_NO_SPACE,
  22             };
  23
  24             class ldLog {
  25                 private:
  26                     // this is the type of std::cout
  27                     typedef std::basic_ostream<char, std::char_traits<char> > CoutType;
  28
  29                     // this is the function signature of std::endl
  30                     typedef CoutType& (* stdEndlType)(CoutType&);
  31
  32                 private:
  33                     static LD_LOGLEVEL verbosity;
  34
  35                 private:
  36                     bool prependSpace;
  37                     bool logLevelSet;
  38                     CoutType& stream = std::cout;
  39
  40                     LD_LOGLEVEL currentLogLevel;
  41
  42                 private:
  43                     // advanced behavior
  44                     ldLog(bool prependSpace, bool logLevelSet, LD_LOGLEVEL logLevel);
  45
  46                     void checkPrependSpace();
  47
  48                     bool checkVerbosity();
  49
  50                 public:
  51                     static void setVerbosity(LD_LOGLEVEL verbosity);
  52
  53                 public:
  54                     // public constructor
  55                     // does not implement the advanced behavior -- see private constructors for that
  56                     ldLog();
  57
  58                 public:
  59                     ldLog operator<<(const std::string& message);
  60                     ldLog operator<<(const char* message);
  61                     ldLog operator<<(const boost::filesystem::path& path);
  62                     ldLog operator<<(const int val);
  63                     ldLog operator<<(const size_t val);
  64                     ldLog operator<<(const double val);
  65                     ldLog operator<<(stdEndlType strm);
  66                     ldLog operator<<(const LD_LOGLEVEL logLevel);
  67                     ldLog operator<<(const LD_STREAM_CONTROL streamControl);
  68
  69                     void write(const char* s, const size_t n);
  70             };
  71         }
  72     }
  73 }