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CmdArgs.h
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C/C++ Source or Header
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2005-11-14
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2KB
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47 lines
#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__ */