Page Speed Optimization Libraries
1.4.26.1
|
00001 /* 00002 * Copyright 2010 Google Inc. 00003 * 00004 * Licensed under the Apache License, Version 2.0 (the "License"); 00005 * you may not use this file except in compliance with the License. 00006 * You may obtain a copy of the License at 00007 * 00008 * http:///www.apache.org/licenses/LICENSE-2.0 00009 * 00010 * Unless required by applicable law or agreed to in writing, software 00011 * distributed under the License is distributed on an "AS IS" BASIS, 00012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00013 * See the License for the specific language governing permissions and 00014 * limitations under the License. 00015 */ 00016 00018 00019 #ifndef NET_INSTAWEB_UTIL_PUBLIC_MESSAGE_HANDLER_H_ 00020 #define NET_INSTAWEB_UTIL_PUBLIC_MESSAGE_HANDLER_H_ 00021 00022 #include <cstdarg> 00023 00024 #include "net/instaweb/util/public/printf_format.h" 00025 #include "net/instaweb/util/public/string_util.h" 00026 00027 namespace net_instaweb { 00028 00029 enum MessageType { 00030 kInfo, 00031 kWarning, 00032 kError, 00033 kFatal 00034 }; 00035 00036 class MessageHandler { 00037 public: 00038 MessageHandler(); 00039 virtual ~MessageHandler(); 00040 00042 const char* MessageTypeToString(const MessageType type) const; 00043 00045 static MessageType StringToMessageType(const StringPiece& msg); 00046 00049 void set_min_message_type(MessageType min) { min_message_type_ = min; } 00050 00052 void Message(MessageType type, const char* msg, ...) 00053 INSTAWEB_PRINTF_FORMAT(3, 4); 00054 void MessageV(MessageType type, const char* msg, va_list args); 00055 00057 void FileMessage(MessageType type, const char* filename, int line, 00058 const char* msg, ...) INSTAWEB_PRINTF_FORMAT(5, 6); 00059 void FileMessageV(MessageType type, const char* filename, int line, 00060 const char* msg, va_list args); 00061 00062 00064 void Check(bool condition, const char* msg, ...) INSTAWEB_PRINTF_FORMAT(3, 4); 00065 void CheckV(bool condition, const char* msg, va_list args); 00066 00067 00071 void Info(const char* filename, int line, const char* msg, ...) 00072 INSTAWEB_PRINTF_FORMAT(4, 5); 00073 void Warning(const char* filename, int line, const char* msg, ...) 00074 INSTAWEB_PRINTF_FORMAT(4, 5); 00075 void Error(const char* filename, int line, const char* msg, ...) 00076 INSTAWEB_PRINTF_FORMAT(4, 5); 00077 void FatalError(const char* filename, int line, const char* msg, ...) 00078 INSTAWEB_PRINTF_FORMAT(4, 5); 00079 00080 void InfoV(const char* filename, int line, const char* msg, va_list args) { 00081 FileMessageV(kInfo, filename, line, msg, args); 00082 } 00083 void WarningV(const char* filename, int line, const char* msg, va_list a) { 00084 FileMessageV(kWarning, filename, line, msg, a); 00085 } 00086 void ErrorV(const char* filename, int line, const char* msg, va_list args) { 00087 FileMessageV(kError, filename, line, msg, args); 00088 } 00089 void FatalErrorV(const char* fname, int line, const char* msg, va_list a) { 00090 FileMessageV(kFatal, fname, line, msg, a); 00091 } 00092 00093 protected: 00094 virtual void MessageVImpl(MessageType type, const char* msg, 00095 va_list args) = 0; 00096 virtual void FileMessageVImpl(MessageType type, const char* filename, 00097 int line, const char* msg, va_list args) = 0; 00098 00099 private: 00102 MessageType min_message_type_; 00103 }; 00104 00105 } 00106 00107 #endif ///< NET_INSTAWEB_UTIL_PUBLIC_MESSAGE_HANDLER_H_