hello world

neo/idlib/CmdArgs.h

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+/*
+===========================================================================
+
+Doom 3 GPL Source Code
+Copyright (C) 1999-2011 id Software LLC, a ZeniMax Media company. 
+
+This file is part of the Doom 3 GPL Source Code (?Doom 3 Source Code?).  
+
+Doom 3 Source Code 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.
+
+Doom 3 Source Code 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 Doom 3 Source Code.  If not, see <http://www.gnu.org/licenses/>.
+
+In addition, the Doom 3 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 Source Code.  If not, please request a copy in writing from id Software at the address below.
+
+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.
+
+===========================================================================
+*/
+
+#ifndef __CMDARGS_H__
+#define __CMDARGS_H__
+
+/*
+===============================================================================
+
+	Command arguments.
+
+===============================================================================
+*/
+
+class idCmdArgs {
+public:
+							idCmdArgs( void ) { argc = 0; }
+							idCmdArgs( const char *text, bool keepAsStrings ) { TokenizeString( text, keepAsStrings ); }
+
+	void					operator=( const idCmdArgs &args );
+
+							// The functions that execute commands get their parameters with these functions.
+	int						Argc( void ) const { return argc; }
+							// Argv() will return an empty string, not NULL if arg >= argc.
+	const char *			Argv( int arg ) const { return ( arg >= 0 && arg < argc ) ? argv[arg] : ""; }
+							// Returns a single string containing argv(start) to argv(end)
+							// escapeArgs is a fugly way to put the string back into a state ready to tokenize again
+	const char *			Args( int start = 1, int end = -1, bool escapeArgs = false ) const;
+
+							// Takes a null terminated string and breaks the string up into arg tokens.
+							// Does not need to be /n terminated.
+							// Set keepAsStrings to true to only seperate tokens from whitespace and comments, ignoring punctuation
+	void					TokenizeString( const char *text, bool keepAsStrings );
+
+	void					AppendArg( const char *text );
+	void					Clear( void ) { argc = 0; }
+	const char **			GetArgs( int *argc );
+
+private:
+	static const int		MAX_COMMAND_ARGS = 64;
+	static const int		MAX_COMMAND_STRING = 2 * MAX_STRING_CHARS;
+
+	int						argc;								// number of arguments
+	char *					argv[MAX_COMMAND_ARGS];				// points into tokenized
+	char					tokenized[MAX_COMMAND_STRING];		// will have 0 bytes inserted
+};
+
+#endif /* !__CMDARGS_H__ */