/*==LICENSE==*

CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011  Cyan Worlds, Inc.

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 3 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, see <http://www.gnu.org/licenses/>.

You can contact Cyan Worlds, Inc. by email legal@cyan.com
 or by snail mail at:
      Cyan Worlds, Inc.
      14617 N Newport Hwy
      Mead, WA   99021

*==LICENSE==*/
//////////////////////////////////////////////////////////////////////////////
//                                                                          //
//  pfConsoleEngine Header                                                  //
//                                                                          //
//// Description /////////////////////////////////////////////////////////////
//                                                                          //
//  The engine is where parsing and execution of console commands takes     //
//  place. It takes place independently of the interface, so that the       //
//  execution can happen from an INI file, from a screen-based console or   //
//  even a GUI interface.                                                   //
//                                                                          //
//////////////////////////////////////////////////////////////////////////////

#ifndef _pfConsoleEngine_h
#define _pfConsoleEngine_h

#include "hsTypes.h"
#include "hsUtils.h"


//// pfConsoleEngine Class Definition ////////////////////////////////////////

class pfConsoleCmdParam;
class pfConsoleCmdGroup;
class pfConsoleEngine
{
    private:

        static const Int32      fMaxNumParams;

        hsBool  IConvertToParam( UInt8 type, char *string, pfConsoleCmdParam *param );

        char    fErrorMsg[ 128 ];
        char    fLastErrorLine[ 512 ];

        void    ISetErrorMsg( char *msg ) { hsStrncpy( fErrorMsg, msg, sizeof( fErrorMsg ) ); }

        // Recursive function to build a string of the groups a command is in
        void        IBuildCmdNameRecurse( pfConsoleCmdGroup *group, char *string );

    public:

        pfConsoleEngine();
        ~pfConsoleEngine();

        // Gets the signature for the command given (NO groups!)
        const char  *GetCmdSignature( char *name );

        // Prints out the help for a given command (or group)
        hsBool  PrintCmdHelp( char *name, void (*PrintFn)( const char * ) );

        // Breaks the given line into a command and parameters and runs the command
        hsBool  RunCommand( char *line, void (*PrintFn)( const char * ) );

        // Executes the given file as a sequence of console commands
        hsBool  ExecuteFile( const char *fileName );
        hsBool  ExecuteFile( const wchar *fileName );

        // Get the last reported error
        const char  *GetErrorMsg( void ) { return fErrorMsg; }

        // Get the line for which the last reported error was for
        const char  *GetLastErrorLine( void ) { return fLastErrorLine; }

        // Does command completion on a partially-complete console line
        hsBool      FindPartialCmd( char *line, hsBool findAgain = false, hsBool perserveParams = false );

        // Does command completion without restrictions to any group, skipping the number of matches given
        hsBool      FindNestedPartialCmd( char *line, UInt32 numToSkip, hsBool perserveParams = false );
};


//// Use in your Main module to provide Console functionality ////////////////

#define PF_CONSOLE_LINK_FILE( name ) \
    void _console_##name##_file_dummy();

#define PF_CONSOLE_INITIALIZE( name ) \
    _console_##name##_file_dummy();

#define PF_CONSOLE_LINK_ALL() \
    PF_CONSOLE_LINK_FILE(Avatar) \
    PF_CONSOLE_LINK_FILE(CCR) \
    PF_CONSOLE_LINK_FILE(Core) \
    PF_CONSOLE_LINK_FILE(Game) \
    PF_CONSOLE_LINK_FILE(Main) \
    PF_CONSOLE_LINK_FILE(Net)

#define PF_CONSOLE_INIT_ALL() \
    PF_CONSOLE_INITIALIZE(Avatar) \
    PF_CONSOLE_INITIALIZE(CCR) \
    PF_CONSOLE_INITIALIZE(Core) \
    PF_CONSOLE_INITIALIZE(Game) \
    PF_CONSOLE_INITIALIZE(Main) \
    PF_CONSOLE_INITIALIZE(Net)


#endif //_pfConsoleEngine_h