-/*******************************************************************************
-
- Copyright (c) 2009, Charles McGarvey
- All rights reserved.
-
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions are met:
-
- * Redistributions of source code must retain the above copyright notice,
- this list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above copyright notice,
- this list of conditions and the following disclaimer in the documentation
- and/or other materials provided with the distribution.
-
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-*******************************************************************************/
+/*] Copyright (c) 2009-2010, Charles McGarvey [**************************
+**] All rights reserved.
+*
+* vi:ts=4 sw=4 tw=75
+*
+* Distributable under the terms and conditions of the 2-clause BSD license;
+* see the file COPYING for a complete text of the license.
+*
+**************************************************************************/
#ifndef _MOOF_LOG_H_
#define _MOOF_LOG_H_
/**
* @file log.h
* Functions related to logging the process.
- * The logging functions are logError(), logWarning(), logInfo(), and
- * logDebug(), listed from most critical to least critical.
+ * The logging functions are logError(), logWarning(), and logInfo(),
+ * listed from most critical to least critical.
*/
#include <cstdlib> // exit
+#include <iostream>
/**
- * Macro which tests an assertion and issues an logError() and exits if false.
+ * Macro which tests an assertion and issues an logError() and exits if
+ * false.
* @param X test to perform
*/
-#if ! NDEBUG
-#define ASSERT(X) if (!(X)) Mf::logError("false assertion at %s:%d, " #X, \
- __FILE__, __LINE__), exit(1)
-#else
+#undef ASSERT
+
+#if NDEBUG
#define ASSERT(X)
+#else
+#define ASSERT(X) if (!(X)) Mf::logError \
+ << "false assertion at " << __FILE__ << ":" << __LINE__ << ", " \
+ << #X, exit(1)
#endif
namespace Mf {
-/**
- * Possible values used for setting the log level using LogLevel(). Log
- * messages of lesser importance than the level specified are ignored.
- * @see LogLevel()
- */
-
-enum LogLevel
+class Log
{
- LOG_NONE = -1, ///< Disable all logging.
- LOG_ERROR = 1, ///< Log only errors.
- LOG_WARNING = 2, ///< Log warnings and errors.
- LOG_SCRIPT = 3, ///< Log messages from Lua, too.
- LOG_INFO = 4, ///< Log info, warnings, errors.
- LOG_DEBUG = 5, ///< Log all messages.
-};
+public:
+ enum Level
+ {
+ NONE = 0, ///< Disable all logging.
+ ERRORR = 1, ///< Log only errors.
+ WARNING = 2, ///< Log warnings and errors.
+ INFO = 3, ///< Log everything.
+ };
-/**
- * Set and/or get the level of logs which will be logged. If not called,
- * defaults to WARNING
- * @param level LOG_LEVEL_* constant or 0 for no change.
- * @return The currently set log level.
- */
+ static void setLevel(Level level);
+ static Level getLevel();
-LogLevel setLogLevel(LogLevel level);
+ Log(Level level, const char* type) :
+ mLevel(level),
+ mType(type) /* only pass literal strings */ {}
-/**
- * Log an error.
- * @param fmt Log format string.
- * @param ... Extra format arguments.
- */
-void logError(const char* fmt, ...);
+ template <class T>
+ void operator () (const T& item)
+ {
+ *this << item << std::endl;
+ }
-/**
- * Log a warning.
- * @param fmt Log format string.
- * @param ... Extra format arguments.
- */
+private:
-void logWarning(const char* fmt, ...);
+ template <class T> friend std::ostream& operator << (Log&, const T&);
-/**
- * Log a message.
- * @param fmt Log format string.
- * @param ... Extra format arguments.
- */
+ static Level gLevel;
-void logInfo(const char* fmt, ...);
+ Level mLevel;
+ const char* mType;
+};
-/**
- * Log a debug message.
- * @param fmt Log format string.
- * @param ... Extra format arguments.
- */
-void logDebug(const char* fmt, ...);
+extern std::ostream& log;
+extern std::ostream& nullLog;
+
+extern Log logError;
+extern Log logWarning;
+extern Log logInfo;
+
+
+template <class T>
+inline std::ostream& operator << (Log& logObj, const T& item)
+{
+ if (Log::gLevel < logObj.mLevel) return nullLog;
+ return log << logObj.mType << item;
+}
+
-void logScript(const char* fmt, ...);
class Script;
-int logScript(Script& script);
-void importLogScript(Script& script);
+void importLogFunctions(Script& script);
} // namespace Mf
projects / chaz / yoink / blobdiff