From 46428f37d62672a3d17663d1d704a6ebc3f21073 Mon Sep 17 00:00:00 2001
From: Andreas Baumann <mail@andreasbaumann.cc>
Date: Fri, 17 Oct 2014 09:16:26 +0200
Subject: replaced log( "LEVEL") Lua function with 'log.level' table of C
 functions for logging

---
 src/crawl/crawl.conf | 12 ++++++------
 src/crawl/crawl.cpp  | 43 ++++++++++++++++++++++++++++++++++++++-----
 2 files changed, 44 insertions(+), 11 deletions(-)

diff --git a/src/crawl/crawl.conf b/src/crawl/crawl.conf
index 29c3620..46599d6 100644
--- a/src/crawl/crawl.conf
+++ b/src/crawl/crawl.conf
@@ -81,24 +81,24 @@ filters = {
 
 
 function init( )
-	log( "NOTICE", "Init.." )
+	log.notice( "Init.." )
 	-- normalizer = urlnormalizers.create( "google_urlnormalizer" );
 	normalizer = GoogleURLNormalizer:new( )
 	-- normalizer2 = urlnormalizers.create( "simple_urlnormalizer" );
 	normalizer2 = SimpleURLNormalizer:new( )
 	base = tolua.cast( normalizer, "URLNormalizer" )
-	log( "DEBUG", "type: " .. tolua.type( base )  )
+	log.debug( "type: " .. tolua.type( base )  )
 end
 
 function destroy( )
-	log( "NOTICE", "Destroy.." )
+	log.notice( "Destroy.." )
 	normalizer:delete( )
 end
 
 function crawl( )
-	log( "NOTICE", "Crawling.." )
+	log.notice( "Crawling.." )
 	local baseUrl = base:parseUrl( "http://www.base.com" )
-	log( "DEBUG", "base URL is: " .. baseUrl:str( ) )
+	log.debug( "base URL is: " .. baseUrl:str( ) )
 	local url = base:normalize( baseUrl, "/relativedir/relativefile.html" )
-	log( "DEBUG", "URL is: " .. url:str( ) )
+	log.debug( "URL is: " .. url:str( ) )
 end
diff --git a/src/crawl/crawl.cpp b/src/crawl/crawl.cpp
index 0698b75..24d6427 100755
--- a/src/crawl/crawl.cpp
+++ b/src/crawl/crawl.cpp
@@ -90,16 +90,15 @@ static vector<string> searchModuleFiles( const vector<string> &modules, const ve
 	return moduleFiles;
 }
 
-static int lua_log( lua_State *l )
+static int lua_log_level( const LogLevel logLevel, lua_State *l )
 {
 	size_t nofParams = lua_gettop( l );
 	
 	if( nofParams == 0 ) return 0;
 	
-	const char *logLevel = luaL_checkstring( l, 1 );
 	ostringstream ss;
 	
-	for( size_t i = 2; i <= nofParams; i++ ) {
+	for( size_t i = 1; i <= nofParams; i++ ) {
 		int type = lua_type( l, i );
 		
 		switch( type ) {
@@ -124,13 +123,32 @@ static int lua_log( lua_State *l )
 		}
 	}
 	
-	LOG( Logger::fromString( logLevel ) ) << ss.str( );
+	LOG( logLevel ) << ss.str( );
 	
 	lua_pop( l, (int)nofParams );
 
 	return 0;
 }
 
+
+#define lua_log( level ) 					\
+static int lua_log_ ## level( lua_State *l )			\
+{								\
+	return lua_log_level( log ## level, l );		\
+}
+
+lua_log( FATAL )
+lua_log( CRITICAL )
+lua_log( ERROR )
+lua_log( WARNING )
+lua_log( NOTICE )
+lua_log( INFO )
+lua_log( DEBUG )
+lua_log( DEBUG1 )
+lua_log( DEBUG2 )
+lua_log( DEBUG3 )
+lua_log( DEBUG4 )
+
 int main( int /* argc */, char *argv[] )
 {
 	try {
@@ -144,7 +162,22 @@ int main( int /* argc */, char *argv[] )
 		luaVm.loadSource( argv[1] );
 
 		// register logging function
-		lua_pushcclosure( luaVm.handle( ), &lua_log, 0 );
+		luaL_Reg reg[12] = {
+			{ "fatal", lua_log_FATAL },
+			{ "critical", lua_log_CRITICAL },
+			{ "error", lua_log_ERROR },
+			{ "warning", lua_log_WARNING },
+			{ "notice", lua_log_NOTICE },
+			{ "info", lua_log_INFO },
+			{ "debug", lua_log_DEBUG },
+			{ "debug1", lua_log_DEBUG1 },
+			{ "debug2", lua_log_DEBUG2 },
+			{ "debug3", lua_log_DEBUG3 },
+			{ "debug4", lua_log_DEBUG4 },
+			{ NULL, NULL }
+		};
+		lua_newtable( luaVm.handle( ) );
+		luaL_setfuncs( luaVm.handle( ), reg, 0 );
 		lua_setglobal( luaVm.handle( ), "log" );
 
 		// execute main (to get basic configuration in form 
-- 
cgit v1.2.3-54-g00ecf