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/* $Id: tstring.h,v 1.6 2003/02/05 19:57:54 bergo Exp $ */
/*
eboard - chess client
http://eboard.sourceforge.net
Copyright (C) 2000-2002 Felipe Paulo Guazzi Bergo
bergo@seul.org
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
*/
#ifndef TSTRING_H
#define TSTRING_H
#include "stl.h"
// string tokenizer
// differs from the one in gps (http://gps.seul.org) and eboard 0.4.3
// since it only matches strtok behavior after setChomp(true).
// it's cleaner too.
class tstring {
public:
/* creates a new string tokenizer, with empty string, chomp false
and fail value 0 */
tstring();
/* sets chomp flag. when true, the character that caused the token
to end is not considered a candidate for the next token */
void setChomp(bool v);
/* sets the value tokenvalue returns when there are no more tokens */
void setFail(int v);
/* sets the working string and resets position to its start */
void set(string &s);
void set(const char *s);
/* keeps working string but resets position to the start */
void reset();
/* returns a pointer to the next token, t is string of delimiter
characters */
string *token(char *t);
/* returns the integer value of the next token, delimited by
characters of t and assumed to be in the given base */
int tokenvalue(char *t, int base=10);
/* returns false if number is zero, true if not, defval if no
more tokens */
bool tokenbool(char *t, bool defval);
private:
string ptoken, src;
int pos;
bool chomp;
int fail;
};
#endif
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