X-Git-Url: https://git.dogcows.com/gitweb?p=chaz%2Fyoink;a=blobdiff_plain;f=src%2FMoof%2FLog.hh;h=324fdeed8555b0c747c1fd8eecacae903496cac7;hp=3f6b6d7e45013b8360af975288d03082c6ed0d91;hb=00612586426be6d9a976f141a25ffc1f0d284501;hpb=fdfba4553433b9b2804c2772c7645211b828c2ea

diff --git a/src/Moof/Log.hh b/src/Moof/Log.hh
index 3f6b6d7..324fdee 100644
--- a/src/Moof/Log.hh
+++ b/src/Moof/Log.hh
@@ -1,30 +1,13 @@
 
-/*******************************************************************************
-
- 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_
@@ -32,86 +15,90 @@
 /**
  * @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 <cstring>		// strerror
+#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()
- */
+class Log
+{
+public:
 
-typedef enum {
-	NONE		= -1,		///< Disable all logging.
-	ERROR		=  1,		///< Log only errors.
-	WARNING		=  2,		///< Log warnings and errors.
-	INFO		=  3,		///< Log info, warnings, errors.
-	DEBUGGING	=  4		///< Log all messages.
-} LogLevel;
+	enum Level
+	{
+		NONE		= 0,		///< Disable all logging.
+		ERRORR		= 1,		///< Log only errors.
+		WARNING		= 2,		///< Log warnings and errors.
+		INFO		= 3,		///< Log everything.
+	};
 
+	static void setLevel(Level level);
+	static Level getLevel();
 
-/**
- * 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.
- */
 
-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.
- */
+	template <class T>
+	void operator () (const T& item)
+	{
+		*this << item << std::endl;
+	}
 
-void logError(const char* fmt, ...);
+private:
 
-/**
- * Log a warning.
- * @param fmt Log format string.
- * @param ... Extra format arguments.
- */
+	template <class T> friend std::ostream& operator << (Log&, const T&);
 
-void logWarning(const char* fmt, ...);
+	static Level	gLevel;
 
-/**
- * Log a message.
- * @param fmt Log format string.
- * @param ... Extra format arguments.
- */
+	Level			mLevel;
+	const char*		mType;
+};
 
-void logInfo(const char* fmt, ...);
 
-/**
- * Log a debug message.
- * @param fmt Log format string.
- * @param ... Extra format arguments.
- */
+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 logDebug(const char* fmt, ...);
+class Script;
+void importLogFunctions(Script& script);
 
 
 } // namespace Mf