amxmodx/amxmodx/CLogEvent.h

/* AMX Mod X
*
* by the AMX Mod X Development Team
*  originally developed by OLO
*
*
*  This program is free software; you can redistribute it and/or modify it
*  under the terms of the GNU General Public License as published by the
*  Free Software Foundation; either version 2 of the License, or (at
*  your option) any later version.
*
*  This program is distributed in the hope that it will be useful, but
*  WITHOUT ANY WARRANTY; without even the implied warranty of
*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
*  General Public License for more details.
*
*  You should have received a copy of the GNU General Public License
*  along with this program; if not, write to the Free Software Foundation,
*  Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*  In addition, as a special exception, the author gives permission to
*  link the code of this program with the Half-Life Game Engine ("HL
*  Engine") and Modified Game Libraries ("MODs") developed by Valve,
*  L.L.C ("Valve"). You must obey the GNU General Public License in all
*  respects for all of the code used other than the HL Engine and MODs
*  from Valve. If you modify this file, you may extend this exception
*  to your version of the file, but you are not obligated to do so. If
*  you do not wish to do so, delete this exception statement from your
*  version.
*/

#ifndef LOGEVENTS_H
#define LOGEVENTS_H

#define MAX_LOGARGS 12

#include <stdarg.h>

// *****************************************************
// class LogEventsMngr
// *****************************************************

class LogEventsMngr {

  char logString[256];
  char logArgs[MAX_LOGARGS][128];
  int logArgc;
  int logCounter;
  int logCurrent;
  bool arelogevents;

public:
  class CLogCmp;
  class iterator;
  class CLogEvent;

  friend class CLogEvent;
  friend class CLogCmp;
  friend class iterator;

  class CLogCmp 
  {
	friend class LogEventsMngr;
	friend class CLogEvent;
	LogEventsMngr* parent;
    String text;
    int logid;
    int pos;
    int result;
    bool in;
    CLogCmp *next;
    CLogCmp( const char* s, bool r, int p, CLogCmp *n, LogEventsMngr* mg ) : text(s) {
      logid = result = 0;
      pos = p;
	  parent = mg;
      in = r;
      next = n;
    }
  public:

	int compareCondition(const char* string);
  };

private:

  CLogCmp *logcmplist;

public:

  class CLogEvent {
	friend class LogEventsMngr;
	friend class iterator;
	struct LogCondEle {
		CLogCmp *cmp;
		LogCondEle *next;
		LogCondEle(CLogCmp *c, LogCondEle *n): cmp(c) , next(n) { }
	};
	struct LogCond {
		int argnum;
		LogCondEle *list;
		LogCond *next;
		LogCond( int a , LogCondEle* ee , LogCond* n ) : argnum(a) , list(ee), next(n)  {}
		~LogCond();
	};
    CPluginMngr::CPlugin *plugin;
    int func;
    LogCond *filters;
    LogEventsMngr* parent;
    CLogEvent *next;
    CLogEvent(CPluginMngr::CPlugin *p,int f, LogEventsMngr* ppp) : plugin(p),func(f), filters(0),parent(ppp) ,next(0) { }
    ~CLogEvent();
  public:
	inline CPluginMngr::CPlugin *getPlugin() { return plugin; }
	void registerFilter( char* filter );
	inline int getFunction() { return func; }
  };

private:

  CLogEvent *logevents[MAX_LOGARGS+1];
  CLogEvent *getValidLogEvent( CLogEvent * a );
  CLogCmp* registerCondition(char* filter);
  void clearConditions();

public:

  LogEventsMngr();
  ~LogEventsMngr();

	// Interface


  CLogEvent* registerLogEvent( CPluginMngr::CPlugin* plugin,  int func, int pos );
  inline bool logEventsExist() { return arelogevents; } 
  void setLogString( char* frmt, va_list& vaptr );
  void setLogString( char* frmt , ... );
  void parseLogString(  );
  void executeLogEvents();
  inline const char* getLogString() { return logString; }
  inline int getLogArgNum() { return logArgc; }
  inline const char* getLogArg( int i ) { return ( i < 0 || i >=  logArgc ) ? "" : logArgs[ i ]; }
  void clearLogEvents();


  class iterator {
	  CLogEvent* a;
	  LogEventsMngr* b;
  public:
	  inline iterator(CLogEvent*aa,LogEventsMngr* bb) : a(aa), b(bb) {}
	  inline iterator& operator++() {
		  a = b->getValidLogEvent( a->next );
		  return *this;
	  }
	  inline bool operator==(const iterator& c) const { return a == c.a; }
	  inline bool operator!=(const iterator& c) const  { return !operator==(c); }
	  CLogEvent& operator*() { return *a; }
	  operator bool ( ) const { return a ? true : false; }
  };
  inline iterator begin() { return iterator(getValidLogEvent(logevents[ logArgc ]),this); }
  inline iterator end() { return iterator(0,this); }
};

#endif