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82 lines
2.9 KiB
C++
82 lines
2.9 KiB
C++
/*
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===========================================================================
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Doom 3 BFG Edition GPL Source Code
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Copyright (C) 1993-2012 id Software LLC, a ZeniMax Media company.
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This file is part of the Doom 3 BFG Edition GPL Source Code ("Doom 3 BFG Edition Source Code").
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Doom 3 BFG Edition Source Code is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Doom 3 BFG Edition Source Code is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Doom 3 BFG Edition Source Code. If not, see <http://www.gnu.org/licenses/>.
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In addition, the Doom 3 BFG Edition Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 BFG Edition Source Code. If not, please request a copy in writing from id Software at the address below.
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If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
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===========================================================================
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*/
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#ifndef __CONSOLEHISTORY_H__
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#define __CONSOLEHISTORY_H__
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/*
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This should behave like the windows command prompt, with the addition
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of a persistant history file.
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Note that commands bound to keys do not go through the console history.
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*/
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class idConsoleHistory
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{
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public:
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idConsoleHistory() :
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upPoint( 0 ),
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downPoint( 0 ),
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returnLine( 0 ),
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numHistory( 0 )
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{
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ClearHistory();
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}
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void LoadHistoryFile();
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// the line should not have a \n
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// Empty lines are never added to the history.
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// If the command is the same as the last returned history line, nothing is changed.
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void AddToHistory( const char* line, bool writeHistoryFile = true );
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// the string will not have a \n
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// Returns an empty string if there is nothing to retrieve in that
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// direction.
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idStr RetrieveFromHistory( bool backward );
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// console commands
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void PrintHistory();
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void ClearHistory();
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private:
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int upPoint; // command to be retrieved with next up-arrow
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int downPoint; // command to be retrieved with next down-arrow
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int returnLine; // last returned by RetrieveFromHistory()
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int numHistory;
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static const int COMMAND_HISTORY = 64;
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idArray<idStr, COMMAND_HISTORY> historyLines;
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compile_time_assert( CONST_ISPOWEROFTWO( COMMAND_HISTORY ) ); // we use the binary 'and' operator for wrapping
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};
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extern idConsoleHistory consoleHistory;
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#endif // !__CONSOLEHISTORY_H__
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