RAUL
0.8.0
|
00001 /* This file is part of Raul. 00002 * Copyright (C) 2009 David Robillard <http://drobilla.net> 00003 * 00004 * Raul is free software; you can redistribute it and/or modify it under the 00005 * terms of the GNU General Public License as published by the Free Software 00006 * Foundation; either version 2 of the License, or (at your option) any later 00007 * version. 00008 * 00009 * Raul is distributed in the hope that it will be useful, but WITHOUT ANY 00010 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 00011 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for details. 00012 * 00013 * You should have received a copy of the GNU General Public License along 00014 * with this program; if not, write to the Free Software Foundation, Inc., 00015 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 00016 */ 00017 00018 #ifndef RAUL_LOG_HPP 00019 #define RAUL_LOG_HPP 00020 00021 #include <iostream> 00022 #include <sstream> 00023 #include <string> 00024 00025 namespace Raul { 00026 00030 class LogBuffer : public std::streambuf 00031 { 00032 public: 00033 enum Colour { 00034 DEFAULT = 0, 00035 RED = 31, 00036 GREEN, 00037 YELLOW, 00038 BLUE, 00039 MAGENTA, 00040 CYAN, 00041 WHITE 00042 }; 00043 00044 LogBuffer(const char* prefix="", Colour colour=DEFAULT) 00045 : _prefix(prefix) 00046 , _colour(colour) 00047 , _out(std::cout) 00048 {} 00049 00051 std::string colour(Colour c); 00052 00054 std::string plain(); 00055 00056 protected: 00057 int_type overflow(int_type c) { 00058 if (c == '\n') 00059 emit(); 00060 else if (c != traits_type::eof()) 00061 _line += c; 00062 00063 return c; 00064 } 00065 00066 int sync() { 00067 if (!_line.empty()) 00068 emit(); 00069 return 0; 00070 } 00071 00072 private: 00073 void emit(); 00074 00075 const char* _prefix; 00076 Colour _colour; 00077 std::string _line; 00078 std::ostream& _out; 00079 }; 00080 00081 00082 class NullBuffer : public std::streambuf 00083 { 00084 protected: 00085 int_type overflow(int_type c) { return c; } 00086 int sync() { return 0; } 00087 }; 00088 00089 00090 extern std::ostream info; 00091 extern std::ostream warn; 00092 extern std::ostream error; 00093 extern std::ostream debug; 00094 00095 00096 } // namespace Raul 00097 00098 #endif // RAUL_LOG_HPP