RAUL
0.7.0
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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 00024 namespace Raul { 00025 00026 class LogBuffer : public std::streambuf 00027 { 00028 public: 00029 enum Colour { 00030 DEFAULT = 0, 00031 RED = 31, 00032 GREEN, 00033 YELLOW, 00034 BLUE, 00035 MAGENTA, 00036 CYAN, 00037 WHITE 00038 }; 00039 00040 LogBuffer(const char* prefix="", Colour colour=DEFAULT) 00041 : _prefix(prefix) 00042 , _colour(colour) 00043 , _out(std::cout) 00044 {} 00045 00047 std::string colour(Colour c); 00048 00050 std::string plain(); 00051 00052 protected: 00053 int_type overflow(int_type c) { 00054 if (c == '\n') 00055 emit(); 00056 else if (c != traits_type::eof()) 00057 _line += c; 00058 00059 return c; 00060 } 00061 00062 int sync() { 00063 if (!_line.empty()) 00064 emit(); 00065 return 0; 00066 } 00067 00068 private: 00069 void emit(); 00070 00071 const char* _prefix; 00072 Colour _colour; 00073 std::string _line; 00074 std::ostream& _out; 00075 }; 00076 00077 00078 class NullBuffer : public std::streambuf 00079 { 00080 protected: 00081 int_type overflow(int_type c) { return c; } 00082 int sync() { return 0; } 00083 }; 00084 00085 00086 extern std::ostream info; 00087 extern std::ostream warn; 00088 extern std::ostream error; 00089 extern std::ostream debug; 00090 00091 00092 } // namespace Raul 00093 00094 #endif // RAUL_LOG_HPP