added: acceptbaseparser.h acceptbaseparser.cpp

class AcceptBaseParser for parsing http accept* headers
added: acceptencodingparser.h
       class AcceptEncodingParser for parsing HTTP_ACCEPT_ENCODING header
added: compresion only when HTTP_ACCEPT_ENCODING has 'deflate'
       and the browser is not the Internet Explorer


git-svn-id: svn://ttmath.org/publicrep/cmslu/trunk@515 e52654a7-88a9-db11-a3e9-0013d4bc506e

core/request.h

@@ -22,7 +22,7 @@
 #include "function.h"
 #include "thread.h"
 #include "compress.h"
-
+#include "acceptencodingparser.h"
 
 
 struct Request
@@ -58,7 +58,12 @@ struct Request
 	const char * env_remote_addr;
 	const char * env_http_host;
 	const char * env_http_user_agent;
-
+	const char * env_http_accept_encoding;
+	
+	
+	// true if the browser is Microsoft Internet Explorer
+	bool browser_msie;
+	
 	// current session
 	// is set after calling session_manager.SetSession()
 	Session * session;
@@ -175,6 +180,9 @@ struct Request
 	bool CanUseBBCode(long user_id);
 	
 private:
+
+	void CheckIE();
+
 	// used to set some env_* variables into it, when the server didn't set that variable
 	// it contains '\0'
 	const char char_empty;
@@ -184,7 +192,8 @@ private:
 	void StandardLog();
 	
 	Compress compress;
-	
+
+	AcceptEncodingParser accept_encoding_parser;	
 };